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// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - constants, encoders, events, errors, structs
import { MilestoneConstants } from "../../constants/MilestoneConstants.sol";
import { MilestoneEncoder } from "../../encoders/MilestoneEncoder.sol";
import { MilestoneEvents } from "../../events/MilestoneEvents.sol";
import { CrossChainErrors } from "../../errors/cross-chain/CrossChainErrors.sol";
import { RequestTypes } from "../../structs/RequestTypes.sol";
import { CrossChainRequestTypes } from "../../structs/CrossChainRequestTypes.sol";
import { EnumTypes } from "../../structs/EnumTypes.sol";

// Local imports - interfaces
import { IRescheduleClaimingFacet } from "../../interfaces/milestone/IRescheduleClaimingFacet.sol";

// Local imports - servies
import { RequestService } from "../../libraries/services/utils/RequestService.sol";
import { SignatureService } from "../../libraries/services/utils/SignatureService.sol";
import { RescheduleClaimingService } from "../../libraries/services/milestone/RescheduleClaimingService.sol";
import { ERC20AssetService } from "../../libraries/services/assets/internal/ERC20AssetService.sol";
import { LayerZeroSenderService } from "../../libraries/services/cross-chain/layer-zero/LayerZeroSenderService.sol";

/**************************************

    RescheduleClaiming facet

**************************************/

contract RescheduleClaimingFacet is IRescheduleClaimingFacet {
    /// @dev Reschedule claimings and send cross chain message if needed to reschedule claimings on the other chain.
    /// @dev Events: ClaimingsRescheduled(
    ///                 string raiseId,
    ///                 string milestoneId,
    ///                 StorageTypes.ClaimingSchedule[] claimingSchedules,
    ///             )
    /// @param _request RequestTypes.RescheduleClaimingRequest struct
    /// @param _message EIP712 messages that contains request
    /// @param _v Part of signature for message
    /// @param _r Part of signature for message
    /// @param _s Part of signature for message
    /// @param _crossChainData RequestTypes.CrossChainData struct with data for cross chain communication
    function rescheduleClaimings(
        RequestTypes.RescheduleClaimingRequest calldata _request,
        bytes32 _message,
        uint8 _v,
        bytes32 _r,
        bytes32 _s,
        CrossChainRequestTypes.CrossChainData calldata _crossChainData
    ) external payable {
        // tx.members
        address sender_ = msg.sender;

        // validate base request
        RequestService.validateBaseRequest(_request.base);

        // validate request
        uint256 claimingSchedulesFromThePastLength_ = RescheduleClaimingService.validateRescheduleClaimingsRequest(
            _request.raiseId,
            _request.milestoneId,
            _request.claimingSchedules
        );

        // EIP-712 encoding
        bytes memory encodedMsg_ = MilestoneEncoder.encodeRescheduleClaiming(_request);

        // verify message
        SignatureService.verifyMessage(MilestoneConstants.EIP712_NAME, MilestoneConstants.EIP712_VERSION, keccak256(encodedMsg_), _message);

        // verify signature
        SignatureService.verifySignature(_message, _v, _r, _s);

        // save claiming schedules in the storage
        RescheduleClaimingService.setClaimingScheduleData(
            sender_,
            _request.base.nonce,
            _request.milestoneId,
            _request.claimingSchedules,
            claimingSchedulesFromThePastLength_
        );

        // get cross chain id
        uint256 crossChainId_ = ERC20AssetService.getERC20AssetChainId(_request.raiseId);

        // handle cross chain request
        if (crossChainId_ != block.chainid) {
            if (_crossChainData.provider == EnumTypes.CrossChainProvider.LayerZero) {
                // send message through LayerZero
                LayerZeroSenderService.sendCrossChainMessage(_crossChainData.data, crossChainId_);
            } else {
                // revert if provider unsupported
                revert CrossChainErrors.UnsupportedProvider();
            }
        }

        // emit
        emit MilestoneEvents.ClaimingsRescheduled(_request.raiseId, _request.milestoneId, _request.claimingSchedules);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Constants used in milestone facet and milestone encoder.
library MilestoneConstants {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev EIP712 name
    bytes32 internal constant EIP712_NAME = keccak256(bytes("Fundraising:Milestone"));
    /// @dev EIP712 versioning: "release:major:minor"
    bytes32 internal constant EIP712_VERSION = keccak256(bytes("2:2:0"));

    // typehashes
    bytes32 internal constant VOTING_UNLOCK_MILESTONE_TYPEHASH = keccak256("UnlockMilestoneRequest(string raiseId,bytes milestone,bytes base)");
    bytes32 internal constant VOTING_UNLOCK_MILESTONE_RECEIVER_TYPEHASH =
        keccak256("UnlockMilestoneReceiverRequest(string raiseId,bytes milestone,bytes crossChainBase)");
    bytes32 internal constant VOTING_REJECT_RAISE_TYPEHASH = keccak256("RejectRaiseRequest(string raiseId,bytes base)");
    bytes32 internal constant VOTING_REJECT_RAISE_RECEIVER_TYPEHASH =
        keccak256("RejectRaiseReceiverRequest(string raiseId,bytes crossChainBase)");
    bytes32 internal constant INVESTOR_CLAIM_TYPEHASH =
        keccak256("InvestorClaimRequest(string raiseId,uint256 investment,bytes32[] proofs,bytes base)");
    bytes32 internal constant STARTUP_CLAIM_TYPEHASH = keccak256("StartupClaimRequest(string raiseId,bytes base)");
    bytes32 internal constant SUBMIT_CLAIMING_TYPEHASH =
        keccak256("SubmitClaimingRequest(string raiseId,string milestoneId,bytes claimingSchedules,bytes base)");
    bytes32 internal constant SUBMIT_CLAIMING_RECEIVER_TYPEHASH =
        keccak256("SubmitClaimingReceiverRequest(string raiseId,string milestoneId,bytes claimingSchedules,bytes crossChainBase)");
    bytes32 internal constant RESCHEDULE_CLAIMING_TYPEHASH =
        keccak256("RescheduleClaimingRequest(string raiseId,string milestoneId,bytes claimingSchedules,bytes base)");
    bytes32 internal constant RESCHEDULE_CLAIMING_RECEIVER_TYPEHASH =
        keccak256("RescheduleClaimingReceiverRequest(string raiseId,string milestoneId,bytes claimingSchedules,bytes crossChainBase)");
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports
import { MilestoneConstants } from "../constants/MilestoneConstants.sol";
import { RequestTypes } from "../structs/RequestTypes.sol";

/**************************************

    Milestone encoder

**************************************/

/// @notice Milestone encoder for EIP712 message hash.
library MilestoneEncoder {
    /// @dev Encode unlock milestone request to validate the EIP712 message.
    /// @param _request UnlockMilestoneRequest struct
    /// @return EIP712 encoded message containing request
    function encodeUnlockMilestone(RequestTypes.UnlockMilestoneRequest memory _request) internal pure returns (bytes memory) {
        // milestone
        bytes memory encodedMilestone_ = abi.encode(_request.milestone);

        // base
        bytes memory encodedBase_ = abi.encode(_request.base);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.VOTING_UNLOCK_MILESTONE_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(encodedMilestone_),
            keccak256(encodedBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode unlock milestone receiver request to validate the EIP712 message.
    /// @param _request UnlockMilestoneReceiverRequest struct
    /// @return EIP712 encoded message containing request
    function encodeUnlockMilestoneReceiver(RequestTypes.UnlockMilestoneReceiverRequest memory _request) internal pure returns (bytes memory) {
        // milestone
        bytes memory encodedMilestone_ = abi.encode(_request.milestone);

        // base
        bytes memory encodedCrossChainBase_ = abi.encode(_request.crossChainBase);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.VOTING_UNLOCK_MILESTONE_RECEIVER_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(encodedMilestone_),
            keccak256(encodedCrossChainBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode investor claim milestone request to validate the EIP712 message.
    /// @param _request InvestorClaimRequest struct
    /// @return EIP712 encoded message containing request
    function encodeInvestorClaim(RequestTypes.InvestorClaimRequest memory _request) internal pure returns (bytes memory) {
        // base
        bytes memory encodedBase_ = abi.encode(_request.base);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.INVESTOR_CLAIM_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            _request.investment,
            keccak256(abi.encode(_request.proofs)),
            keccak256(encodedBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode startup claim milestone request to validate the EIP712 message.
    /// @param _request StartupClaimRequest struct
    /// @return EIP712 encoded message containing request
    function encodeStartupClaim(RequestTypes.StartupClaimRequest memory _request) internal pure returns (bytes memory) {
        // base
        bytes memory encodedBase_ = abi.encode(_request.base);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.STARTUP_CLAIM_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(encodedBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode reject raise request to validate the EIP712 message.
    /// @param _request RejectRaiseRequest struct
    /// @return EIP712 encoded message containing request
    function encodeRejectRaise(RequestTypes.RejectRaiseRequest memory _request) internal pure returns (bytes memory) {
        // base
        bytes memory encodedBase_ = abi.encode(_request.base);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.VOTING_REJECT_RAISE_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(encodedBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode reject raise receiver request to validate the EIP712 message.
    /// @param _request RejectRaiseReceiverRequest struct
    /// @return EIP712 encoded message containing request
    function encodeRejectRaiseReceiver(RequestTypes.RejectRaiseReceiverRequest memory _request) internal pure returns (bytes memory) {
        // base
        bytes memory encodedCrossChainBase_ = abi.encode(_request.crossChainBase);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.VOTING_REJECT_RAISE_RECEIVER_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(encodedCrossChainBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode submit claiming schedule request to validate the EIP 712 message.
    /// @param _request SubmitClaimingRequest struct
    /// @return EIP712 encoded message containing request
    function encodeSubmitClaiming(RequestTypes.SubmitClaimingRequest memory _request) internal pure returns (bytes memory) {
        // base
        bytes memory encodedBase_ = abi.encode(_request.base);

        // claiming schedule array
        bytes memory encodedClaimingSchedules_ = abi.encode(_request.claimingSchedules);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.SUBMIT_CLAIMING_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(bytes(_request.milestoneId)),
            keccak256(encodedClaimingSchedules_),
            keccak256(encodedBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode submit claiming schedule receiver request to validate the EIP 712 message.
    /// @param _request SubmitClaimingReceiverRequest struct
    /// @return EIP712 encoded message containing request
    function encodeSubmitClaimingReceiver(RequestTypes.SubmitClaimingReceiverRequest memory _request) internal pure returns (bytes memory) {
        // base
        bytes memory encodedCrossChainBase_ = abi.encode(_request.crossChainBase);

        // claiming schedule array
        bytes memory encodedClaimingSchedules_ = abi.encode(_request.claimingSchedules);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.SUBMIT_CLAIMING_RECEIVER_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(bytes(_request.milestoneId)),
            keccak256(encodedClaimingSchedules_),
            keccak256(encodedCrossChainBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode reschedule claimings request to validate the EIP 712 message.
    /// @param _request RescheduleClaimingRequest struct
    /// @return EIP712 encoded message containing request
    function encodeRescheduleClaiming(RequestTypes.RescheduleClaimingRequest memory _request) internal pure returns (bytes memory) {
        // base
        bytes memory encodedBase_ = abi.encode(_request.base);

        // claiming schedule array
        bytes memory encodedClaimingSchedules_ = abi.encode(_request.claimingSchedules);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.RESCHEDULE_CLAIMING_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(bytes(_request.milestoneId)),
            keccak256(encodedClaimingSchedules_),
            keccak256(encodedBase_)
        );

        // return
        return encodedMsg_;
    }

    /// @dev Encode reschedule claimings request to validate the EIP 712 message.
    /// @param _request RescheduleClaimingRequest struct
    /// @return EIP712 encoded message containing request
    function encodeRescheduleClaimingReceiver(
        RequestTypes.RescheduleClaimingReceiverRequest memory _request
    ) internal pure returns (bytes memory) {
        // base
        bytes memory encodedBase_ = abi.encode(_request.crossChainBase);

        // claiming schedule array
        bytes memory encodedClaimingSchedules_ = abi.encode(_request.claimingSchedules);

        // msg
        bytes memory encodedMsg_ = abi.encode(
            MilestoneConstants.RESCHEDULE_CLAIMING_RECEIVER_TYPEHASH,
            keccak256(bytes(_request.raiseId)),
            keccak256(bytes(_request.milestoneId)),
            keccak256(encodedClaimingSchedules_),
            keccak256(encodedBase_)
        );

        // return
        return encodedMsg_;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

import { StorageTypes } from "../structs/StorageTypes.sol";

/**************************************

    Milestone events

**************************************/

/// @notice All events connected with milestones.
library MilestoneEvents {
    // -----------------------------------------------------------------------
    //                              Unlock of milestone
    // -----------------------------------------------------------------------

    event MilestoneUnlocked(string raiseId, StorageTypes.Milestone milestone);
    event MilestoneUnlocked__StartupClaimed(string raiseId, address startup, uint256 claimed);
    event MilestoneUnlocked__InvestorClaimed(string raiseId, address erc20, address investor, uint256 claimed);

    // -----------------------------------------------------------------------
    //                              Failed repair plan
    // -----------------------------------------------------------------------

    event RaiseRejected(string raiseId, uint256 rejectedShares);
    event RaiseRejected__StartupClaimed(string raiseId, address erc20, address startup, uint256 claimed);
    event RaiseRejected__InvestorClaimed(string raiseId, address investor, uint256 claimed);

    // -----------------------------------------------------------------------
    //                              Claimings
    // -----------------------------------------------------------------------

    event ClaimingScheduleSubmitted(string raiseId, string milestoneId, StorageTypes.ClaimingSchedule[] claimingSchedules);
    event ClaimingsRescheduled(string raiseId, string milestoneId, StorageTypes.ClaimingSchedule[] claimingSchedules);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

import "../../structs/EnumTypes.sol";

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

import { EnumTypes } from "../../structs/EnumTypes.sol";

/**************************************

    Cross-chain errors
    
**************************************/

/// @dev All errors used in cross chain communication
library CrossChainErrors {
    // -----------------------------------------------------------------------
    //                              Chain id & Provider
    // -----------------------------------------------------------------------

    error InvalidChainId(uint256 current, uint256 expected); // 0x9fba672f
    error UnsupportedChainId(uint256 chainId); // 0xa5dab5fe
    error ProviderChainIdMismatch(EnumTypes.CrossChainProvider provider, uint256 requestChainId, uint256 blockChainId); // 0x72c80f07
    error UnsupportedProvider(); // 0x7f4d001d
    error NotCrossChainRequest(); // 0x5a64c0eb

    // -----------------------------------------------------------------------
    //                              Payload
    // -----------------------------------------------------------------------

    error EmptyPayload(); // 0x2e3f1f34
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports
import { CrossChainRequestTypes } from "./CrossChainRequestTypes.sol";
import { StorageTypes } from "./StorageTypes.sol";

/// @notice Library that defines requests sent from frontend to smart contracts.
library RequestTypes {
    // -----------------------------------------------------------------------
    //                              Base
    // -----------------------------------------------------------------------

    /// @dev Struct defining low level data for any request.
    /// @param sender Address of account executing tx
    /// @param expiry Deadline on which request expires
    /// @param nonce Number used only once used to prevent tx reply or out of order execution
    struct BaseRequest {
        address sender;
        uint256 expiry;
        uint256 nonce;
    }

    // -----------------------------------------------------------------------
    //                              Raise
    // -----------------------------------------------------------------------

    /// @dev Struct used to create a raise.
    /// @param raise Struct containing info about raise
    /// @param raiseDetails Mapping of raise id to vested token information
    /// @param erc20Asset Struct containing info about vested ERC20
    /// @param baseAsset Struct containing info about asset used for investment
    /// @param badgeUri IPFS URI that initializes equity badge for the raise
    /// @param base Struct defining low level data for a request
    struct CreateRaiseRequest {
        StorageTypes.Raise raise;
        StorageTypes.RaiseDetails raiseDetails;
        StorageTypes.ERC20Asset erc20Asset;
        StorageTypes.BaseAsset baseAsset;
        string badgeUri;
        BaseRequest base;
    }

    /// @dev Struct used to create a raise.
    /// @param raise Struct containing info about raise
    /// @param raiseDetails Mapping of raise id to vested token information
    /// @param erc20Asset Struct containing info about vested ERC20
    /// @param baseAsset Struct containing info about asset used for investment
    /// @param crossChainBase Struct defining low level data for a cross-chain requests
    struct RegisterRaiseRequest {
        StorageTypes.Raise raise;
        StorageTypes.RaiseDetails raiseDetails;
        StorageTypes.ERC20Asset erc20Asset;
        StorageTypes.BaseAsset baseAsset;
        CrossChainRequestTypes.CrossChainBase crossChainBase;
    }

    /// @dev Struct used to create a raise for Substrate-based chains.
    /// @param raise Struct containing info about raise
    /// @param raiseDetails Mapping of raise id to vested token information
    /// @param psp22Asset Struct containing info about vested ERC20
    /// @param baseAsset Struct containing info about asset used for investment
    /// @param crossChainBase Struct defining low level data for a cross-chain requests
    struct SubstrateRegisterRaiseRequest {
        StorageTypes.SubstrateRaise raise;
        StorageTypes.RaiseDetails raiseDetails;
        StorageTypes.PSP22Asset psp22Asset;
        StorageTypes.SubstrateBaseAsset baseAsset;
        CrossChainRequestTypes.CrossChainBase crossChainBase;
    }

    /// @dev Struct Used to finish a raise.
    /// @param raiseId Id of finished raise
    /// @param raised Number of collected tokens
    /// @param merkleRoot Root value of merkle tree build from investments
    /// @param base Struct defining low level data for a request
    struct FinishRaiseRequest {
        string raiseId;
        uint256 raised;
        bytes32 merkleRoot;
        BaseRequest base;
    }

    /// @dev Struct used to finish a raise in receiver
    /// @param raiseId Id of finished raise
    /// @param raised Number of collected tokens
    /// @param merkleRoot Root value of merkle tree build from investments
    /// @param crossChainBase Struct defining low level data for a cross-chain requests
    struct FinishRaiseReceiverRequest {
        string raiseId;
        uint256 raised;
        bytes32 merkleRoot;
        CrossChainRequestTypes.CrossChainBase crossChainBase;
    }

    // -----------------------------------------------------------------------
    //                              Set token
    // -----------------------------------------------------------------------

    /// @dev Struct used to set a token for an early stage raise.
    /// @param raiseId UUID of raise
    /// @param token Address of ERC20
    /// @param base Struct defining low level data for a request
    struct SetTokenRequest {
        string raiseId;
        address token;
        BaseRequest base;
    }

    // -----------------------------------------------------------------------
    //                              Invest
    // -----------------------------------------------------------------------

    /// @dev Struct used to invest into raise.
    /// @param raiseId UUID of raise
    /// @param investment Amount of base asset used to invest
    /// @param maxTicketSize Individual limit of investment for validation
    /// @param base Struct defining low level data for a request
    struct InvestRequest {
        string raiseId;
        uint256 investment;
        uint256 maxTicketSize;
        BaseRequest base;
    }

    // -----------------------------------------------------------------------
    //                              Voting
    // -----------------------------------------------------------------------

    /// @dev Struct used to unlock milestone
    /// @param raiseId UUID of raise
    /// @param milestone Struct containing info about unlocked milestone
    /// @param base Struct defining low level data for a request
    struct UnlockMilestoneRequest {
        string raiseId;
        StorageTypes.Milestone milestone;
        BaseRequest base;
    }

    /// @dev Struct used to unlock milestone for receiver
    /// @param raiseId UUID of raise
    /// @param milestone Struct containing info about unlocked milestone
    /// @param crossChainBase Struct defining low level data for a cross-chain requests
    struct UnlockMilestoneReceiverRequest {
        string raiseId;
        StorageTypes.Milestone milestone;
        CrossChainRequestTypes.CrossChainBase crossChainBase;
    }

    /// @dev Struct used to submit failed repair plan
    /// @param raiseId UUID of raise
    /// @param base Struct defining low level data for a request
    struct RejectRaiseRequest {
        string raiseId;
        BaseRequest base;
    }

    /// @dev Struct used to submit failed repair plan for receiver
    /// @param raiseId UUID of raise
    /// @param crossChainBase Struct defining low level data for a cross-chain request
    struct RejectRaiseReceiverRequest {
        string raiseId;
        CrossChainRequestTypes.CrossChainBase crossChainBase;
    }

    // -----------------------------------------------------------------------
    //                              Claiming
    // -----------------------------------------------------------------------

    /// @dev Struct used to submit claiming schedule
    /// @param raiseId UUID of raise
    /// @param milestoneId UUID of milestone
    /// @param claimingSchedules Array of ClaimingSchedule structs
    /// @param base Struct defining low level data for a request
    struct SubmitClaimingRequest {
        string raiseId;
        string milestoneId;
        StorageTypes.ClaimingSchedule[] claimingSchedules;
        BaseRequest base;
    }

    /// @dev Struct used to submit claiming schedule
    /// @param raiseId UUID of raise
    /// @param milestoneId UUID of milestone
    /// @param claimingSchedules Array of ClaimingSchedule structs
    /// @param crossChainBase Struct defining low level data for a cross-chain requests
    struct SubmitClaimingReceiverRequest {
        string raiseId;
        string milestoneId;
        StorageTypes.ClaimingSchedule[] claimingSchedules;
        CrossChainRequestTypes.CrossChainBase crossChainBase;
    }

    /// @dev Struct used to claim tokens by investor
    /// @param raiseId UUID of raise
    /// @param investment Investment of msg.sender
    /// @param proofs Merkle proofs for msg.sender
    /// @param base Struct defining low level data for a request
    struct InvestorClaimRequest {
        string raiseId;
        uint256 investment;
        bytes32[] proofs;
        BaseRequest base;
    }

    /// @dev Struct used to claim tokens by startup
    /// @param raiseId UUID of raise
    /// @param base Struct defining low level data for a request
    struct StartupClaimRequest {
        string raiseId;
        BaseRequest base;
    }

    /// @dev Struct used to reschedule claiming schedule
    /// @param milestoneId UUID of milestone
    /// @param claimingSchedules Array of ClaimingSchedule structs
    /// @param base Struct defining low level data for a request
    struct RescheduleClaimingRequest {
        string raiseId;
        string milestoneId;
        StorageTypes.ClaimingSchedule[] claimingSchedules;
        BaseRequest base;
    }

    /// @dev Struct used to reschedule claimings
    /// @param raiseId UUID of raise
    /// @param milestoneId UUID of milestone
    /// @param claimingSchedules Array of ClaimingSchedule structs
    /// @param crossChainBase Struct defining low level data for a cross-chain requests
    struct RescheduleClaimingReceiverRequest {
        string raiseId;
        string milestoneId;
        StorageTypes.ClaimingSchedule[] claimingSchedules;
        CrossChainRequestTypes.CrossChainBase crossChainBase;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - Structs
import { StorageTypes } from "./StorageTypes.sol";
import { EnumTypes } from "./EnumTypes.sol";

/// @notice Library that defines requests sent from frontend to smart contracts.
library CrossChainRequestTypes {
    // -----------------------------------------------------------------------
    //                              Cross chain
    // -----------------------------------------------------------------------

    /// @dev Struct containing chosen cross-chain provider and encoded data.
    /// @param provider Cross chain provider
    /// @param data Data encoding message in format for specific provider
    struct CrossChainData {
        EnumTypes.CrossChainProvider provider;
        bytes data;
    }

    /// @dev Struct containing base for cross-chain message.
    /// @param sender Address of sender
    /// @param nonce Nonce of cross-chain message
    struct CrossChainBase {
        address sender;
        uint256 nonce;
    }

    // -----------------------------------------------------------------------
    //                              LayerZero
    // -----------------------------------------------------------------------

    /// @dev Struct containing cross chain message in LayerZero format
    /// @param payload Encoded cross-chain call with data
    /// @param additionalParams Additional parameters for LayerZero
    /// @param fee Fee covering execution cost
    struct LayerZeroData {
        bytes payload;
        bytes additionalParams;
        uint256 fee;
    }

    // -----------------------------------------------------------------------
    //                              AlephZero
    // -----------------------------------------------------------------------

    /// @dev Struct containing cross chain message in AlephZero format
    /// @param nonce Cross chain nonce of tx
    /// @param fee Unused fee if we would like to publish Bridge
    /// @param selector Byte-encoded substrate function to call
    /// @param args Byte-encoded cross-chain arguments for function
    /// @param options Byte-encoded cross chain settings for Bridge tx
    /// @param metadata Byte-encoded metadata in Scale format for Bridge
    struct AlephZeroData {
        uint256 nonce;
        uint256 fee;
        bytes4 selector;
        bytes args;
        bytes options;
        bytes metadata;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Library with core types definition.
library EnumTypes {
    // -----------------------------------------------------------------------
    //                              Raise
    // -----------------------------------------------------------------------

    /// @dev Definition of supported types of raises.
    enum RaiseType {
        Standard,
        EarlyStage,
        OTC
    }

    /// @dev Definition of raise statuses.
    enum RaiseStatus {
        RaiseCreated,
        RaiseFailed,
        RaiseSucceed
    }

    // -----------------------------------------------------------------------
    //                              Cross chain
    // -----------------------------------------------------------------------

    /// @dev Definition of supported cross chain providers.
    enum CrossChainProvider {
        None,
        LayerZero,
        AlephZero
    }

    // -----------------------------------------------------------------------
    //                              Milestone
    // -----------------------------------------------------------------------

    /// @dev Definiction of action to perform for reschedule claimings
    enum RescheduleActionType {
        UpdateAndCreate,
        OnlyUpdate,
        UpdateAndDelete
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - Structs
import { RequestTypes } from "../../structs/RequestTypes.sol";
import { CrossChainRequestTypes } from "../../structs/CrossChainRequestTypes.sol";

interface IRescheduleClaimingFacet {
    /// @dev Reschedule claimings and send cross chain message if needed to reschedule claimings on the other chain.
    /// @param _request RequestTypes.RescheduleClaimingRequest struct
    /// @param _message EIP712 messages that contains request
    /// @param _v Part of signature for message
    /// @param _r Part of signature for message
    /// @param _s Part of signature for message
    /// @param _crossChainData RequestTypes.CrossChainData struct with data for cross chain communication
    function rescheduleClaimings(
        RequestTypes.RescheduleClaimingRequest calldata _request,
        bytes32 _message,
        uint8 _v,
        bytes32 _r,
        bytes32 _s,
        CrossChainRequestTypes.CrossChainData calldata _crossChainData
    ) external payable;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - constants, encoders, events, errors, structs
import { RequestErrors } from "../../../errors/RequestErrors.sol";
import { RequestTypes } from "../../../structs/RequestTypes.sol";
import { CrossChainRequestTypes } from "../../../structs/CrossChainRequestTypes.sol";

// Local imports - storages
import { LibNonce } from "../../../libraries/storage/utils/LibNonce.sol";

library RequestService {
    function validateBaseRequest(RequestTypes.BaseRequest memory _baseRequest) internal view {
        // tx.members
        address sender_ = msg.sender;
        uint256 now_ = block.timestamp;

        // check replay attack
        uint256 nonce_ = _baseRequest.nonce;
        if (nonce_ <= LibNonce.getLastNonce(sender_)) {
            revert RequestErrors.NonceExpired(sender_, nonce_);
        }

        // check request expiration
        if (now_ > _baseRequest.expiry) {
            revert RequestErrors.RequestExpired(sender_, _baseRequest.expiry);
        }

        // check request sender
        if (sender_ != _baseRequest.sender) {
            revert RequestErrors.IncorrectSender(sender_);
        }
    }

    function validateCcBaseRequest(CrossChainRequestTypes.CrossChainBase memory _baseRequest) internal view {
        if (_baseRequest.nonce <= LibNonce.getLastNonce(_baseRequest.sender)) {
            revert RequestErrors.NonceExpired(_baseRequest.sender, _baseRequest.nonce);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// OpenZeppelin imports
import { ECDSA } from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

// Local imports - constants, encoders, events, errors, structs
import { SignatureConstants } from "../../../constants/SignatureConstants.sol";
import { SignatureErrors } from "../../../errors/SignatureErrors.sol";
import { AccessTypes } from "../../../structs/AccessTypes.sol";

// Local imports - storages
import { LibAccessControl } from "../../storage/utils/LibAccessControl.sol";

// A0: cut out from scope
// import {Blake2bAB} from "../../../../utils/Blake2bAB.sol";

library SignatureService {
    // const
    bytes32 internal constant EIP712_DOMAIN_TYPEHASH =
        keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");

    /// @dev Verify if given signature is signed by correct signer.
    /// @param _message Hash message
    /// @param _v Part of signature for message
    /// @param _r Part of signature for message
    /// @param _s Part of signature for message
    function verifySignature(bytes32 _message, uint8 _v, bytes32 _r, bytes32 _s) internal view {
        // signer of message
        address signer_ = recoverSigner(_message, _v, _r, _s);

        // validate signer
        if (!LibAccessControl.hasRole(AccessTypes.SIGNER_ROLE, signer_)) {
            revert SignatureErrors.IncorrectSigner(signer_);
        }
    }

    /// @dev Verify EIP-712 message sent.
    /// @param _nameHash Hash EIP-712 name
    /// @param _versionHash Hash EIP-712 version
    /// @param _rawMessage Hash message calculated "on-the-fly"
    /// @param _message Message sent in request
    function verifyMessage(bytes32 _nameHash, bytes32 _versionHash, bytes32 _rawMessage, bytes32 _message) internal view {
        // build domain separator
        bytes32 domainSeparatorV4_ = keccak256(
            abi.encode(SignatureConstants.EIP712_DOMAIN_TYPEHASH, _nameHash, _versionHash, block.chainid, address(this))
        );

        // construct EIP712 message
        bytes32 toVerify_ = ECDSA.toTypedDataHash(domainSeparatorV4_, _rawMessage);

        // verify computation against original
        if (toVerify_ != _message) {
            revert SignatureErrors.InvalidMessage(toVerify_, _message);
        }
    }

    function hashToMessage(bytes32 _nameHash, bytes32 _versionHash, bytes32 _rawMessage) internal view returns (bytes32) {
        // return
        return hashToMessage(_nameHash, _versionHash, _rawMessage, address(this));
    }

    function hashToMessage(
        bytes32 _nameHash,
        bytes32 _versionHash,
        bytes32 _rawMessage,
        address _contractAddress
    ) internal view returns (bytes32) {
        // build domain separator
        bytes32 domainSeparatorV4_ = keccak256(abi.encode(EIP712_DOMAIN_TYPEHASH, _nameHash, _versionHash, block.chainid, _contractAddress));

        // construct EIP712 message
        return ECDSA.toTypedDataHash(domainSeparatorV4_, _rawMessage);
    }

    // A0: cut out from scope
    // function hashBlake2b(bytes memory _payload) internal pure returns (bytes32) {
    //        // return Blake2b 256-bit hash
    //        return Blake2bAB.blake2b_256(_payload);
    //    }

    /// @dev Allows to return signer of the signature.
    /// @param _data Message sent in request
    /// @param _v Part of signature for message
    /// @param _r Part of signature for message
    /// @param _s Part of signature for message
    /// @return Signer of the message
    function recoverSigner(bytes32 _data, uint8 _v, bytes32 _r, bytes32 _s) internal pure returns (address) {
        // recover EIP712 signer using provided vrs
        address signer_ = ECDSA.recover(_data, _v, _r, _s);

        // return signer
        return signer_;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - constants, encoders, events, errors, structs
import { MilestoneErrors } from "../../../errors/MilestoneErrors.sol";
import { StorageTypes } from "../../../structs/StorageTypes.sol";
import { EnumTypes } from "../../../structs/EnumTypes.sol";

// Local imports - storages
import { LibMilestone } from "../../storage/milestone/LibMilestone.sol";
import { LibClaimingSchedule } from "../../storage/milestone/LibClaimingSchedule.sol";
import { LibNonce } from "../../storage/utils/LibNonce.sol";

/// @notice Service for reschedule claiming
library RescheduleClaimingService {
    /// @dev Save claiming schedule data and marked nonce as used
    /// @param _sender msg.sender
    /// @param _nonce nonce used in message
    /// @param _milestoneId UUID of the milestone
    /// @param _claimingSchedules Claiming schedule struct array
    /// @param _claimingSchedulesFromThePastLength Amount of claiming schedules from the past
    function setClaimingScheduleData(
        address _sender,
        uint256 _nonce,
        string memory _milestoneId,
        StorageTypes.ClaimingSchedule[] memory _claimingSchedules,
        uint256 _claimingSchedulesFromThePastLength
    ) internal {
        // calculate length of claiming schedules
        uint256 claimingSchedulesLength_ = _claimingSchedules.length;

        // calculate claiming schedules length from storage
        uint256 storageClaimingSchedulesLength_ = LibClaimingSchedule.claimingScheduleCount(_milestoneId);

        // calculate amount of claiming schedules from the future to remove
        uint256 claimingSchedulesToRemove_ = storageClaimingSchedulesLength_ - _claimingSchedulesFromThePastLength;

        // verify if any claiming schedule is to remove
        if (claimingSchedulesToRemove_ > 0) {
            // delete claiming schedules
            LibClaimingSchedule.deleteClaimingSchedules(_milestoneId, claimingSchedulesToRemove_);
        }

        // calculate claiming schedules length from storage after remove
        uint256 storageClaimingSchedulesAfterRemoveLength_ = LibClaimingSchedule.claimingScheduleCount(_milestoneId);

        // verify if any claiming schedule is to add
        if (claimingSchedulesLength_ > storageClaimingSchedulesAfterRemoveLength_) {
            for (uint i = storageClaimingSchedulesAfterRemoveLength_; i < claimingSchedulesLength_; i++) {
                // create claiming schedule
                LibClaimingSchedule.createClaimingSchedule(_claimingSchedules[i]);
            }
        }

        // set nonce as used to storage
        LibNonce.setNonce(_sender, _nonce);
    }

    /// @dev Validate reschedule claiming request
    /// @param _raiseId UUID of the raise
    /// @param _milestoneId UUID of the milestone
    /// @param _claimingSchedules Claiming schedule struct array
    /// @return Amount of claiming schedules from the past
    function validateRescheduleClaimingsRequest(
        string memory _raiseId,
        string memory _milestoneId,
        StorageTypes.ClaimingSchedule[] memory _claimingSchedules
    ) internal view returns (uint256) {
        // validate if milestone exists
        (bool isMilestoneExists_, uint256 milestoneIndex_) = LibMilestone.milestoneExists(_raiseId, _milestoneId);

        // revert if milestone not exists
        if (!isMilestoneExists_) {
            revert MilestoneErrors.MilestoneNotExists(_milestoneId);
        }

        // calculate claiming schedules length from request and revert if it equal to zero
        uint256 _requestClaimingSchedulesLength = _claimingSchedules.length;

        if (_requestClaimingSchedulesLength == 0) {
            revert MilestoneErrors.EmptyClaimingSchedules();
        }

        // get milestone share
        uint256 milestoneShare_ = LibMilestone.getMilestoneShare(_raiseId, milestoneIndex_);

        // calculate claiming schedules length from storage
        uint256 storageClaimingSchedulesLength_ = LibClaimingSchedule.claimingScheduleCount(_milestoneId);

        // calculate claimings from the past
        uint256 claimingSchedulesFromThePastLength_ = getPastSchedulesAmount(storageClaimingSchedulesLength_, _milestoneId);

        if (_requestClaimingSchedulesLength < claimingSchedulesFromThePastLength_) {
            revert MilestoneErrors.CannotDeletePastSchedule();
        }

        // validate reschedule claimings
        validateRescheduleClaimings(
            _milestoneId,
            storageClaimingSchedulesLength_,
            _requestClaimingSchedulesLength,
            milestoneShare_,
            _claimingSchedules
        );

        // return
        return claimingSchedulesFromThePastLength_;
    }

    /// @dev Validate reschedule claimings with data in storage and verify unlock timestamps and shares
    /// @param _milestoneId UUID of the milestone
    /// @param _storageClaimingSchedulesLength Amount of claiming schedules in storage for given milestone
    /// @param _requestClaimingSchedulesLength Amount of claiming schedules in request
    /// @param _milestoneShare Milestone shares
    /// @param _claimingSchedules Claiming schedules from request
    function validateRescheduleClaimings(
        string memory _milestoneId,
        uint256 _storageClaimingSchedulesLength,
        uint256 _requestClaimingSchedulesLength,
        uint256 _milestoneShare,
        StorageTypes.ClaimingSchedule[] memory _claimingSchedules
    ) internal view {
        // value to calculate all claming schedule shares for given milestone
        uint256 claimingSchedulesShares_ = 0;

        for (uint i = 0; i < _requestClaimingSchedulesLength; i++) {
            // set currently validated claiming schedule from request
            StorageTypes.ClaimingSchedule memory requestClaimingSchedule_ = _claimingSchedules[i];

            if (i < _storageClaimingSchedulesLength) {
                // validate existing claiming schedules
                validateExistingClaimingSchedule(requestClaimingSchedule_, _milestoneId, i);
            }

            // increase claiming schedule shares
            claimingSchedulesShares_ += requestClaimingSchedule_.partialShare;
        }

        // validate claiming schedule shares with milestone shares
        if (claimingSchedulesShares_ != _milestoneShare) {
            revert MilestoneErrors.RescheduledSharesMustEqualMilestoneShare(_milestoneId, _milestoneShare, claimingSchedulesShares_);
        }
    }

    /// @dev Internal function to validate existed claiming schedules
    /// @param requestClaimingSchedule_ Claiming schedules from request
    /// @param _milestoneId UUID of the milestone
    /// @param _claimingScheduleIndex Claiming schedule index in the storage array
    function validateExistingClaimingSchedule(
        StorageTypes.ClaimingSchedule memory requestClaimingSchedule_,
        string memory _milestoneId,
        uint256 _claimingScheduleIndex
    ) internal view {
        // fetch claiming schedule from storage
        StorageTypes.ClaimingSchedule memory storageClaimingSchedule_ = LibClaimingSchedule.getClaimingScheduleForIndex(
            _milestoneId,
            _claimingScheduleIndex
        );

        // validate if user doesn't want to change milestone id
        if (
            keccak256(abi.encodePacked(requestClaimingSchedule_.milestoneId)) !=
            keccak256(abi.encodePacked(storageClaimingSchedule_.milestoneId))
        ) {
            revert MilestoneErrors.CannotChangeMilestoneId(
                requestClaimingSchedule_.claimingId,
                requestClaimingSchedule_.milestoneId,
                storageClaimingSchedule_.milestoneId
            );
        }

        if (storageClaimingSchedule_.unlockTimestamp <= block.timestamp) {
            // validate if user doesn't want to change claiming id
            if (
                keccak256(abi.encodePacked(requestClaimingSchedule_.claimingId)) !=
                keccak256(abi.encodePacked(storageClaimingSchedule_.claimingId))
            ) {
                revert MilestoneErrors.CannotChangeClaimingId(requestClaimingSchedule_.claimingId, storageClaimingSchedule_.claimingId);
            }

            // validate if user doesn't want to change partial share and unlock timestamp for claiming schedule from the past
            if (
                storageClaimingSchedule_.partialShare != requestClaimingSchedule_.partialShare ||
                storageClaimingSchedule_.unlockTimestamp != requestClaimingSchedule_.unlockTimestamp
            ) {
                revert MilestoneErrors.CannotChangePastClaimingSchedule(requestClaimingSchedule_.claimingId, block.timestamp);
            }
        }
    }

    /// @dev Internal function to iterate over schedules to calculate past claimings
    /// @param _storageClaimingSchedulesLength Amount of claiming schedules in the storage for given milestone
    /// @param _milestoneId UUID of the milestone
    /// @return Amount of claiming schedules from the past
    function getPastSchedulesAmount(uint256 _storageClaimingSchedulesLength, string memory _milestoneId) private view returns (uint256) {
        uint256 claimingSchedulesFromThePastLength_ = 0;

        // loop for calculating claiming schedules from the past
        for (uint i = 0; i < _storageClaimingSchedulesLength; i++) {
            StorageTypes.ClaimingSchedule memory storageClaimingSchedule_ = LibClaimingSchedule.getClaimingScheduleForIndex(_milestoneId, i);

            // verify if claiming schedules is from the past
            if (storageClaimingSchedule_.unlockTimestamp <= block.timestamp) {
                claimingSchedulesFromThePastLength_++;
            }
        }

        // return
        return claimingSchedulesFromThePastLength_;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// OpenZeppelin imports
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

// Local imports - constants, encoders, events, errors, structs
import { RaiseErrors } from "../../../../errors/RaiseErrors.sol";
import { MilestoneErrors } from "../../../../errors/MilestoneErrors.sol";

// Local imports - storages
import { LibERC20Asset } from "../../../storage/assets/LibERC20Asset.sol";
import { LibEscrow } from "../../../storage/assets/LibEscrow.sol";
import { LibRaise } from "../../../storage/raise/LibRaise.sol";

// Local imports - services
import { RaiseService } from "../../raise/internal/RaiseService.sol";

library ERC20AssetService {
    using SafeERC20 for IERC20;

    /// @dev Collect vested ERC20 to start a raise.
    /// @dev Validation: Requires startup to have enough ERC20 and provide allowance.
    /// @dev Events: Transfer(address from, address to, uint256 value).
    /// @param _token Address of ERC20
    /// @param _sender Address of startup to withdraw ERC20 from
    /// @param _escrow Address of cloned Escrow instance for raise
    /// @param _amount Amount of ERC20 to collect
    function collectVestedToken(address _token, address _sender, address _escrow, uint256 _amount) internal {
        // tx.members
        address self_ = address(this);

        // erc20
        IERC20 erc20_ = IERC20(_token);

        // allowance check
        uint256 allowance_ = erc20_.allowance(_sender, self_);

        // validate if allowance greater or equal amount
        if (allowance_ < _amount) {
            revert RaiseErrors.NotEnoughAllowance(_sender, self_, allowance_);
        }

        // vest erc20
        erc20_.safeTransferFrom(_sender, _escrow, _amount);
    }

    /// @dev Get ERC20 asset chain id.
    /// @param _raiseId Raise id
    /// @return ERC20Asset chain id
    function getERC20AssetChainId(string memory _raiseId) internal view returns (uint256) {
        return LibERC20Asset.getChainId(_raiseId);
    }

    /// @dev Validate an early stage raise.
    /// @param _raiseId Raise id
    function validateERC20(string memory _raiseId) internal view {
        // get erc20
        address erc20_ = LibERC20Asset.getAddress(_raiseId);

        // check if erc20 address is set
        if (erc20_ == address(0)) revert RaiseErrors.TokenNotSet(_raiseId);

        // get escrow
        address escrow_ = LibEscrow.getEscrow(_raiseId);

        // check if erc20 is present on escrow for claiming
        if (IERC20(erc20_).balanceOf(escrow_) == 0) {
            revert MilestoneErrors.TokenNotOnEscrow(_raiseId);
        }
    }

    /// @dev Check if all sold tokens are on escrow
    /// @param _raiseId Raise id
    function validateSoldTokensOnEscrow(string memory _raiseId) internal view {
        // get erc20
        address erc20_ = LibERC20Asset.getAddress(_raiseId);

        // get escrow
        address escrow_ = LibEscrow.getEscrow(_raiseId);

        // get escrow balance
        uint256 balance_ = IERC20(erc20_).balanceOf(escrow_);

        // get sold tokens
        uint256 sold_ = RaiseService.getSold(_raiseId);

        // check if sold tokens are on escrow
        if (sold_ != balance_) {
            revert MilestoneErrors.NotEnoughTokensOnEscrow(balance_);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// LayerZero imports
import { ILayerZeroEndpoint } from "layer-zero/contracts/interfaces/ILayerZeroEndpoint.sol";

// Local imports - constants, encoders, events, errors, structs
import { CrossChainEncoder } from "../../../../encoders/CrossChainEncoder.sol";
import { CrossChainErrors } from "../../../../errors/cross-chain/CrossChainErrors.sol";
import { LayerZeroErrors } from "../../../../errors/cross-chain/LayerZeroErrors.sol";
import { RequestTypes } from "../../../../structs/RequestTypes.sol";
import { CrossChainRequestTypes } from "../../../../structs/CrossChainRequestTypes.sol";

// Local imports - storages
import { LibCrossChainEvmConfiguration } from "../../../storage/cross-chain/LibCrossChainEvmConfiguration.sol";
import { LibLayerZeroBase } from "../../../storage/cross-chain/layer-zero/LibLayerZeroBase.sol";
import { LibLayerZeroSender } from "../../../storage/cross-chain/layer-zero/LibLayerZeroSender.sol";

/// @notice Service responsible for sending cross-chain messages through LayerZero
library LayerZeroSenderService {
    // -----------------------------------------------------------------------
    //                              Send message
    // -----------------------------------------------------------------------

    /// @dev Send cross-chain message.
    /// @param _crossChainData Encoded data to send
    /// @param _nativeChainId Destination chain native id
    function sendCrossChainMessage(bytes calldata _crossChainData, uint256 _nativeChainId) internal {
        // decode LayerZero params
        CrossChainRequestTypes.LayerZeroData memory lzData_ = CrossChainEncoder.decodeLayerZeroData(_crossChainData);

        // validate data
        validateLayerZeroSendData(lzData_, _nativeChainId);

        // get LayerZero chain id
        uint16 lzChainId_ = LibLayerZeroSender.getNetwork(_nativeChainId);

        // get LayerZero endpoint
        address lzEndpoint_ = LibLayerZeroBase.getCrossChainEndpoint();

        // get destination fundraising address
        address destination_ = LibCrossChainEvmConfiguration.getFundraising(_nativeChainId);

        // get address needed to potential refund
        address payable refundAddress_ = payable(LibLayerZeroSender.getRefundAddress());

        // calculate LayerZero trusted remote
        bytes memory trustedRemote_ = abi.encodePacked(destination_, address(this));

        // send cross-chain message
        ILayerZeroEndpoint(lzEndpoint_).send{ value: lzData_.fee }(
            lzChainId_,
            trustedRemote_,
            lzData_.payload,
            refundAddress_,
            address(0), // Parameter which will be used by LayerZero in the future when they'll have their token, right now hardcoded
            lzData_.additionalParams
        );
    }

    // -----------------------------------------------------------------------
    //                              Validation
    // -----------------------------------------------------------------------

    /// @dev Validate LayerZero data before send.
    /// @param _lzData RequestTypes.LayerZeroData struct
    /// @param _chainId Destination chain native id
    function validateLayerZeroSendData(CrossChainRequestTypes.LayerZeroData memory _lzData, uint256 _chainId) internal view {
        // validate if payload is not empty
        if (_lzData.payload.length == 0) {
            revert CrossChainErrors.EmptyPayload();
        }

        // validate if destination chain is supported
        if (LibLayerZeroSender.getNetwork(_chainId) == 0) {
            revert LayerZeroErrors.UnsupportedLayerZeroChain(_chainId);
        }

        // validate if function to perform is supported
        bytes4 functionToCall_ = bytes4(_lzData.payload);
        if (!LibCrossChainEvmConfiguration.getSupportedFunction(_chainId, functionToCall_)) {
            revert LayerZeroErrors.UnsupportedFunction(_chainId, functionToCall_);
        }

        // validate if LayerZero fee is not equal 0
        if (_lzData.fee == 0) {
            revert LayerZeroErrors.InvalidLayerZeroFee();
        }

        // validate if sent native tokens is at least the same like LayerZero fee
        if (msg.value < _lzData.fee) {
            revert LayerZeroErrors.InvalidNativeSent(msg.value, _lzData.fee);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports
import { EnumTypes } from "./EnumTypes.sol";

/// @notice Library with core storage structs definition.
library StorageTypes {
    // -----------------------------------------------------------------------
    //                              Raise
    // -----------------------------------------------------------------------

    /// @dev Struct containing main information about the raise.
    /// @param raiseId UUID of raise
    /// @param raiseType Type of raise
    /// @param owner Address of startup
    struct Raise {
        string raiseId;
        EnumTypes.RaiseType raiseType;
        address owner;
    }

    /// @dev Struct containing main information about the raise for Substrate-based chains.
    /// @param raiseId UUID of raise
    /// @param raiseType Type of raise
    /// @param owner Substrate address of startup
    struct SubstrateRaise {
        string raiseId;
        EnumTypes.RaiseType raiseType;
        string owner;
    }

    /// @dev Struct containing detailed info about raise.
    /// @param tokensPerBaseAsset Ratio of how much tokens is worth 1 unit of base asset (erc20 * precision / hardcap)
    /// @param hardcap Max amount of base asset to collect during a raise
    /// @param softcap Min amount of base asset to collect during a raise
    /// @param start Start date of raise
    /// @param end End date of raise
    struct RaiseDetails {
        uint256 tokensPerBaseAsset;
        uint256 hardcap;
        uint256 softcap;
        uint256 start;
        uint256 end;
    }

    /// @dev Struct containing information about the raise shared across chains.
    /// @param raised Amount of raised base asset for fundraising
    /// @param merkleRoot Merkle root compressing all information about investors and their investments
    struct RaiseDataCC {
        uint256 raised;
        bytes32 merkleRoot;
    }

    // -----------------------------------------------------------------------
    //                              ERC-20 Asset
    // -----------------------------------------------------------------------

    /// @dev Struct defining ERC20 offered by startup for investments.
    /// @param erc20 Address of ERC20 token
    /// @param chainId ID of network that asset exists
    /// @param amount Total amount of ERC20 used in vesting
    struct ERC20Asset {
        address erc20;
        uint256 chainId;
        uint256 amount;
    }

    /// @dev Struct defining PSP22 offered by startup for investments for Substrate-based chains.
    /// @param psp22 Address of PSP22 token
    /// @param chainId ID of network that asset exists
    /// @param amount Total amount of PSP22 used in vesting
    struct PSP22Asset {
        string psp22;
        uint256 chainId;
        uint256 amount;
    }

    // -----------------------------------------------------------------------
    //                              Base Asset
    // -----------------------------------------------------------------------

    /// @dev Struct defining base asset used for investment on particular chain.
    /// @param base Address of base asset
    /// @param chainId ID of network that asset exists
    struct BaseAsset {
        address base;
        uint256 chainId;
    }

    /// @dev Struct defining base asset used for investment on particular chain.
    /// @param ethBase Address of eth base asset
    /// @param azBase Address of substrate base asset
    /// @param chainId ID of network that asset exists
    struct SubstrateBaseAsset {
        address ethBase;
        string azBase;
        uint256 chainId;
    }

    // -----------------------------------------------------------------------
    //                              Investor Funds Info
    // -----------------------------------------------------------------------

    /// @dev Struct containing info about state of investor funds.
    /// @param invested Mapping that stores how much given address invested
    /// @param investmentRefunded Mapping that tracks if user was refunded
    struct InvestorFundsInfo {
        mapping(address => uint256) invested;
        mapping(address => bool) investmentRefunded;
    }

    // -----------------------------------------------------------------------
    //                              Startup Funds Info
    // -----------------------------------------------------------------------

    /// @dev Struct containing info about state of startup funds.
    /// @param collateralRefunded Boolean describing if startup was refunded
    /// @param reclaimed Boolean that shows if startup reclaimed unsold tokens
    struct StartupFundsInfo {
        bool collateralRefunded;
        bool reclaimed;
    }

    // -----------------------------------------------------------------------
    //                              Milestone
    // -----------------------------------------------------------------------

    /// @dev Struct containing info about milestone and shares it's unlocking.
    /// @param milestoneId UUID of milestone
    /// @param milestoneNo Index of milestone (counted from 1)
    /// @param share % of unlocked tokens (12.5% = 12.5 * 1_000_000)
    struct Milestone {
        string milestoneId;
        uint256 milestoneNo;
        uint256 share;
    }

    /// @dev Struct containing milestones and share data.
    /// @param milestones Ordered list of unlocked milestones containing all their details
    /// @param unlockedShares Sum of shares from all submitted milestones
    /// @param rejectedShares Amount of shares reverted back due to failed repair plan
    /// @param totalShares Sum of all unlocked and rejected shares (should not exceed 100%)
    struct ShareInfo {
        Milestone[] milestones;
        uint256 unlockedShares;
        uint256 rejectedShares;
        uint256 totalShares;
    }

    // -----------------------------------------------------------------------
    //                              Claiming
    // -----------------------------------------------------------------------

    /// @dev Struct containing frequently used storage for claiming purposes.
    /// @param investorClaimed Mapping that stores amount claimed of each investor
    /// @param startupClaimed Amount of claimed assets by startup owner
    struct ClaimingInfo {
        mapping(address => uint256) investorClaimed;
        uint256 startupClaimed;
    }

    /// @dev Struct containing informations about claiming schedules for investors.
    /// @param claimingId UUID of claiming
    /// @param milestoneId UUID of milestone
    /// @param partialShare Share of milestone tokens which are unlocked in the given claiming
    /// @param unlockTimestamp Timestamp on which tokens are unlocked
    struct ClaimingSchedule {
        string claimingId;
        string milestoneId;
        uint256 partialShare;
        uint256 unlockTimestamp;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

import { RequestTypes } from "../structs/RequestTypes.sol";

/**************************************

    Request errors

**************************************/

/// @dev All errors connected with secure communication.
library RequestErrors {
    // -----------------------------------------------------------------------
    //                              Request
    // -----------------------------------------------------------------------

    error RequestExpired(address sender, uint256 expiry); // 0x8a288b92
    error NonceExpired(address sender, uint256 nonce); // 0x2b6069a9
    error IncorrectSender(address sender); // 0x7da9057e
    error RaiseCannotBeFinishedYet(string raiseId, uint256 endTimestamp); // 0x7ae96774
    error BadgeUriEmpty(); // 0xb03cfc55
    error MerkleRootSet(uint256 raised, uint256 softcap, bytes32 merkleRoot); // 0x77242f66
    error MerkleRootNotSet(uint256 raised, uint256 softcap, bytes32 merkleRoot); // 0xfe60e7d0
    error InvalidMerkleProofs(string raiseId, address user, uint256 investment, bytes32[] proofs, bytes32 root, bytes32 leaf); // 0xa112d454
    error InvalidRaisedAmount(string raiseId, uint256 providedRaised, uint256 correctRaised); // 0x2d6d8be6
    error RaiseFinishedAlready(string raiseId); // 0xdef0e29b
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/**************************************

    Nonce library

    ------------------------------

    Diamond storage containing nonces

 **************************************/

/// @notice Library implementing NonceStorage and functions.
library LibNonce {
    // -----------------------------------------------------------------------
    //                              Storage pointer
    // -----------------------------------------------------------------------

    /// @dev Storage pointer.
    bytes32 internal constant NONCE_STORAGE_POSITION = keccak256("angelblock.fundraising.nonce");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Nonce diamond storage.
    /// @param nonces Mapping of address to nonce information.
    struct NonceStorage {
        mapping(address => uint256) nonces;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning nonce storage at storage pointer slot.
    /// @return ns NonceStorage struct instance at storage pointer position
    function nonceStorage() internal pure returns (NonceStorage storage ns) {
        // declare position
        bytes32 position = NONCE_STORAGE_POSITION;

        // set slot to position
        assembly {
            ns.slot := position
        }

        // explicit return
        return ns;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: nonce per account.
    /// @param _account Address for which nonce should be checked
    /// @return Current nonce of account
    function getLastNonce(address _account) internal view returns (uint256) {
        // return
        return nonceStorage().nonces[_account];
    }

    /// @dev Diamond storage setter: nonce per account.
    /// @param _account Address for which nonce should be set
    /// @param _nonce New value for nonce
    function setNonce(address _account, uint256 _nonce) internal {
        // get storage
        NonceStorage storage ns = nonceStorage();

        // set nonce
        ns.nonces[_account] = _nonce;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Constants used in signature verification.
library SignatureConstants {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev EIP-712 typehash
    bytes32 internal constant EIP712_DOMAIN_TYPEHASH =
        keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/**************************************

    Signature errors
    
**************************************/

/// @dev All errors used in the signature verification
library SignatureErrors {
    error IncorrectSigner(address signer); // 0x33ffff9b
    error InvalidMessage(bytes32 verify, bytes32 message); // 0xeeba4d9c
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Library containing role definition for access management.
library AccessTypes {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev AngelBlock validator role
    bytes32 internal constant SIGNER_ROLE = keccak256("IS SIGNER");
    /// @dev LayerZero receiver's admin role
    bytes32 internal constant LZ_RECEIVER_ADMIN_ROLE = keccak256("LZ RECEIVER ADMIN");
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// OpenZeppelin imports
import { Strings } from "@openzeppelin/contracts/utils/Strings.sol";
import { IAccessControl } from "@openzeppelin/contracts/access/IAccessControl.sol";

/**************************************

    AccessControl library

    ------------------------------

    Diamond storage containing access control data

 **************************************/

/// @notice Fork of OpenZeppelin's AccessControl that fits as diamond proxy library.
library LibAccessControl {
    // -----------------------------------------------------------------------
    //                              Storage pointer
    // -----------------------------------------------------------------------

    /// @dev Access control storage pointer.
    bytes32 internal constant ACCESS_CONTROL_STORAGE_POSITION = keccak256("angelblock.access.control");

    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev Default admin role
    bytes32 internal constant ADMIN_ROLE = 0x00;

    // -----------------------------------------------------------------------
    //                                  Structs
    // -----------------------------------------------------------------------

    /// @dev Struct containing role settings.
    /// @param members Mapping of addresses, that returns True if user is a member
    /// @param adminRole Byte-encoded string of admin role for given role
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    /// @dev Access control storage struct.
    /// @param roles Mapping of byte-encoded strings of roles to RoleData struct
    /// @param initialized Used to allow and keep track of admin to be created once
    struct AccessControlStorage {
        mapping(bytes32 => RoleData) roles;
        bool initialized;
    }

    // -----------------------------------------------------------------------
    //                                  Events
    // -----------------------------------------------------------------------

    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    // -----------------------------------------------------------------------
    //                                  Errors
    // -----------------------------------------------------------------------

    error CannotSetAdminForAdmin(); // 0x625dd4af
    error CanOnlyRenounceSelf(); // 0x4b47a2fd

    // -----------------------------------------------------------------------
    //                                  Modifiers
    // -----------------------------------------------------------------------

    /// @dev Modifier that checks if caller has given role.
    /// @dev Validation: Expect caller to be a member of role.
    /// @param _role Expected role for sender to be a member of
    modifier onlyRole(bytes32 _role) {
        // check role
        if (!hasRole(_role, msg.sender)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(msg.sender),
                        " is missing role ",
                        Strings.toHexString(uint256(_role), 32)
                    )
                )
            );
        }
        _;
    }

    // -----------------------------------------------------------------------
    //                                  Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning access control storage at storage pointer slot.
    /// @return acs AccessControlStorage struct instance at storage pointer position
    function accessStorage() internal pure returns (AccessControlStorage storage acs) {
        // declare position
        bytes32 position = ACCESS_CONTROL_STORAGE_POSITION;

        // set slot to position
        assembly {
            acs.slot := position
        }

        // explicit return
        return acs;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: roles->hasRole(account).
    /// @param _role Byte-encoded role
    /// @param _account Address to check role
    /// @return True if account is member of given role
    function hasRole(bytes32 _role, address _account) internal view returns (bool) {
        // return
        return accessStorage().roles[_role].members[_account];
    }

    /// @dev Diamond storage setter: roles->setAdmin(account).
    /// @param _account Address to become an admin
    function createAdmin(address _account) internal {
        // set role
        accessStorage().roles[ADMIN_ROLE].members[_account] = true;
    }

    /// @dev Diamond storage getter: roles->getAdminRole(role).
    /// @param _role Byte-encoded role
    /// @return Admin role for given role
    function getRoleAdmin(bytes32 _role) internal view returns (bytes32) {
        // return
        return accessStorage().roles[_role].adminRole;
    }

    /// @dev Diamond storage setter: roles->setAdminRole(role).
    /// @dev Validation: Only main admin role can change admin role for given role.
    /// @dev Validation: Admin role for default admin role cannot be changed.
    /// @param _role Byte-encoded role to set admin role
    /// @param _adminRole Byte-encoded admin role for given role
    function setRoleAdmin(bytes32 _role, bytes32 _adminRole) internal onlyRole(ADMIN_ROLE) {
        // accept each role except admin
        if (_role != ADMIN_ROLE) accessStorage().roles[_role].adminRole = _adminRole;
        else revert CannotSetAdminForAdmin();
    }

    // -----------------------------------------------------------------------
    //                              Functions
    // -----------------------------------------------------------------------

    /**************************************

        Grant role

     **************************************/

    /// @dev Grant role to an account.
    /// @dev Validation: Can only be called by the admin of the role.
    /// @dev Validation: Will not grant role if account already has a desired role.
    /// @dev Events: RoleGranted(bytes32 role, address account, address sender).
    /// @param _role Byte-encoded role
    /// @param _account Address to receive a role
    function grantRole(bytes32 _role, address _account) internal onlyRole(getRoleAdmin(_role)) {
        // grant
        _grantRole(_role, _account);
    }

    /**************************************

        Revoke role

     **************************************/

    /// @dev Revoke role of account. Will not revoke role if account doesn't have it.
    /// @dev Validation: Can only be called by the admin of the role.
    /// @dev Events: RoleRevoked(bytes32 role, address account, address sender).
    /// @param _role Byte-encoded role
    /// @param _account Address of account that has role
    function revokeRole(bytes32 _role, address _account) internal onlyRole(getRoleAdmin(_role)) {
        // revoke
        _revokeRole(_role, _account);
    }

    /**************************************

        Renounce role

     **************************************/

    /// @dev Renounce role of account. Will not renounce role if account doesn't have it.
    /// @dev Validation: Can only be called by the user that has role.
    /// @dev Events: RoleRevoked(bytes32 role, address account, address sender).
    /// @param _role Byte-encoded role
    /// @param _account Address of account that has role
    function renounceRole(bytes32 _role, address _account) internal {
        // check sender
        if (_account != msg.sender) {
            revert CanOnlyRenounceSelf();
        }

        // revoke
        _revokeRole(_role, _account);
    }

    /**************************************

        Low level: grant

     **************************************/

    /// @dev Grant role to an account.
    /// @dev Validation: Will not grant role if account already has a desired role.
    /// @dev Events: RoleGranted(bytes32 role, address account, address sender).
    /// @param _role Byte-encoded role
    /// @param _account Address to receive a role
    function _grantRole(bytes32 _role, address _account) private {
        // check if not have role already
        if (!hasRole(_role, _account)) {
            // grant role
            accessStorage().roles[_role].members[_account] = true;

            // event
            emit RoleGranted(_role, _account, msg.sender);
        }
    }

    /**************************************

        Low level: revoke

     **************************************/

    /// @dev Revoke role of an account. Will not revoke role if account doesn't have it.
    /// @dev Events: RoleRevoked(bytes32 role, address account, address sender).
    /// @param _role Byte-encoded role
    /// @param _account Address of account that has role
    function _revokeRole(bytes32 _role, address _account) private {
        // check if have role
        if (hasRole(_role, _account)) {
            // revoke role
            accessStorage().roles[_role].members[_account] = false;

            // event
            emit RoleRevoked(_role, _account, msg.sender);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/**************************************

    Milestone errors

**************************************/

/// All errors connected with milestone.
library MilestoneErrors {
    // -----------------------------------------------------------------------
    //                              Unlock
    // -----------------------------------------------------------------------

    error InvalidMilestoneNumber(uint256 milestoneNo, uint256 milestoneCount); // 0x14dc2b26
    error ZeroShare(uint256 milestoneNo); // 0xef647f82
    error ShareExceedLimit(uint256 share, uint256 existing); // 0x17e013d5
    error NotEnoughTokensOnEscrow(uint256 balance); // 0xe60fdbcf
    error OtcMilestoneMustUnlockAllShares(); // 0x6f42ad6b

    // -----------------------------------------------------------------------
    //                              Claim
    // -----------------------------------------------------------------------

    error NoMilestoneUnlocked(string raiseId); // 0x335b87f2
    error NoClaimingSchedule(string raiseId); // 0xcb6d4142
    error TokenNotOnEscrow(string raiseId); // 0x35880bf8
    error NothingToClaim(string raiseId, address account); // 0xf5709e8a

    // -----------------------------------------------------------------------
    //                              Failed repair plan
    // -----------------------------------------------------------------------

    error RaiseAlreadyRejected(string raiseId, uint256 rejected); // 0xcb1dc2af
    error AllMilestonesUnlocked(string raiseId, uint256 unlocked); // 0x731a1b87

    // -----------------------------------------------------------------------
    //                              Claim (repair plan)
    // -----------------------------------------------------------------------

    error RaiseNotRejected(string raiseId); // 0x4e9e01f8

    // -----------------------------------------------------------------------
    //                      Submit claiming schedule
    // -----------------------------------------------------------------------

    error MilestoneNotExists(string milestoneId); // 0x269afc46
    error ClaimingScheduleAlreadyExists(string claimingScheduleId); // 0xe8616ede
    error UnlockedShareLimitExceeded(string milestoneId); // 0xf877f9b6
    error SharesAlreadySubmitted(string milestoneId); // 0x8e7ee80d
    error SubmittedSharesMustEqualMilestoneShare(string milestoneId, uint256 milestoneShare, uint256 submittedShares); // 0x2c64027e

    // -----------------------------------------------------------------------
    //                      Reschedule claimings
    // -----------------------------------------------------------------------

    error CannotChangePastClaimingSchedule(string claimingScheduleId, uint256 unlockTimestamp); // 0x30905127
    error CannotChangeMilestoneId(string claimingScheduleId, string requestMilestoneId, string storageMilestoneId); // 0xd39ab080
    error CannotChangeClaimingId(string requestClaimingScheduleId, string storageClaimingScheduleId); // 0xe3d6928c
    error RescheduledSharesMustEqualMilestoneShare(string milestoneId, uint256 milestoneShare, uint256 rescheduledShares); // 0x881cdd8c
    error UnlockedTimestampMustBeLater(string claimingScheduleId, uint256 requestUnlockTimestamp, uint256 previousUnlockTimestamp); // 0xb94a1b80
    error EmptyClaimingSchedules(); // 0xcc393bbb
    error CannotDeletePastSchedule(); // 0x79f36780
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// OpenZeppelin imports
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

// Local imports
import { LibBaseAsset } from "../assets/LibBaseAsset.sol";
import { StorageTypes } from "../../../structs/StorageTypes.sol";
import { IEscrow } from "../../../interfaces/IEscrow.sol";

/**************************************

    Milestone library

    ------------------------------

    Diamond storage containing milestone data

 **************************************/

/// @notice Library containing MilestoneStorage and low level functions.
library LibMilestone {
    // -----------------------------------------------------------------------
    //                              Library usage
    // -----------------------------------------------------------------------

    using SafeERC20 for IERC20;

    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev Milestone storage pointer.
    bytes32 internal constant MILESTONE_STORAGE_POSITION = keccak256("angelblock.fundraising.milestone");
    /// @dev Precision for share calculation.
    uint256 internal constant SHARE_PRECISION = 1_000_000;

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Milestone storage struct.
    /// @param shares Mapping of raise id to struct containing share data
    /// @param votingClaiming Mapping of raise id to struct used to track claims after unlocked milestone
    /// @param repairPlanClaiming Mapping of raise id to struct used to track claims after failed repair plan
    struct MilestoneStorage {
        mapping(string => StorageTypes.ShareInfo) shares;
        mapping(string => StorageTypes.ClaimingInfo) votingClaiming;
        mapping(string => StorageTypes.ClaimingInfo) repairPlanClaiming;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning milestone storage at storage pointer slot.
    /// @return ms MilestoneStorage struct instance at storage pointer position
    function milestoneStorage() internal pure returns (MilestoneStorage storage ms) {
        // declare position
        bytes32 position = MILESTONE_STORAGE_POSITION;

        // set slot to position
        assembly {
            ms.slot := position
        }

        // explicit return
        return ms;
    }

    // -----------------------------------------------------------------------
    //                              Getters / Setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: milestones->length.
    /// @param _raiseId ID of raise
    /// @return Length of milestones
    function milestoneCount(string memory _raiseId) internal view returns (uint256) {
        // return
        return milestoneStorage().shares[_raiseId].milestones.length;
    }

    /// @dev Diamond storage extensions function: verify if milestone exists
    /// @param _raiseId ID of raise
    /// @param _milestoneId ID of milestone
    /// @return Struct with given params : 1. Is milestone exists, 2. Index of the milestone in the storage array
    function milestoneExists(string memory _raiseId, string memory _milestoneId) internal view returns (bool, uint256) {
        // Fetch all milestone for given raise id from the storage
        StorageTypes.Milestone[] memory milestones_ = milestoneStorage().shares[_raiseId].milestones;

        // check all milestone in the storage
        for (uint i = 0; i < milestones_.length; i++) {
            string memory storageMilestoneId_ = milestones_[i].milestoneId;

            // verify milestone ids
            if (keccak256(abi.encodePacked(storageMilestoneId_)) == keccak256(abi.encodePacked(_milestoneId))) {
                // return when milestone exists
                return (true, i);
            }
        }

        // return when milestone not exists
        return (false, 0);
    }

    /// @dev Diamond storage getter: milestone
    /// @param _raiseId ID of raise
    /// @param _milestoneIndex Index of the milestone in the storage array
    /// @return Milestone struct
    function getMilestone(string memory _raiseId, uint256 _milestoneIndex) internal view returns (StorageTypes.Milestone memory) {
        return milestoneStorage().shares[_raiseId].milestones[_milestoneIndex];
    }

    /// @dev Diamond storage getter: milestone->id
    /// @param _raiseId ID of raise
    /// @param _milestoneIndex Index of the milestone in the storage array
    /// @return Id of the milestone
    function getMilestoneId(string memory _raiseId, uint256 _milestoneIndex) internal view returns (string memory) {
        return milestoneStorage().shares[_raiseId].milestones[_milestoneIndex].milestoneId;
    }

    /// @dev Diamond storage getter: milestone->share
    /// @param _raiseId ID of raise
    /// @param _milestoneIndex Index of the milestone in the storage array
    /// @return Share of the milestone
    function getMilestoneShare(string memory _raiseId, uint256 _milestoneIndex) internal view returns (uint256) {
        return milestoneStorage().shares[_raiseId].milestones[_milestoneIndex].share;
    }

    /// @dev Diamond storage getter: milestones->share->sum.
    /// @param _raiseId ID of raise
    /// @return Sum of milestone shares (successful voting)
    function unlockedShares(string memory _raiseId) internal view returns (uint256) {
        // return
        return milestoneStorage().shares[_raiseId].unlockedShares;
    }

    /// @dev Diamond storage getter: milestones->rejected->sum.
    /// @param _raiseId ID of raise
    /// @return Sum of rejected shares (failed repair plan)
    function rejectedShares(string memory _raiseId) internal view returns (uint256) {
        // return
        return milestoneStorage().shares[_raiseId].rejectedShares;
    }

    /// @dev Diamond storage getter: milestones->share+rejected->sum.
    /// @param _raiseId ID of raise
    /// @return Sum of unlocked and rejected shares
    function totalShares(string memory _raiseId) internal view returns (uint256) {
        // return
        return milestoneStorage().shares[_raiseId].totalShares;
    }

    /// @dev Diamond storage getter: investor claimed.
    /// @param _raiseId ID of raise
    /// @param _account Address of investor
    /// @return Claimed tokens by investor
    function getInvestorClaimedVoting(string memory _raiseId, address _account) internal view returns (uint256) {
        // return
        return milestoneStorage().votingClaiming[_raiseId].investorClaimed[_account];
    }

    /// @dev Diamond storage getter: startup claimed.
    /// @param _raiseId ID of raise
    /// @return Claimed base assets by investor
    function getStartupClaimedVoting(string memory _raiseId) internal view returns (uint256) {
        // return
        return milestoneStorage().votingClaiming[_raiseId].startupClaimed;
    }

    /// @dev Diamond storage getter: investor claimed.
    /// @param _raiseId ID of raise
    /// @param _account Address of investor
    /// @return Claimed tokens by investor
    function getInvestorClaimedRejected(string memory _raiseId, address _account) internal view returns (uint256) {
        // return
        return milestoneStorage().repairPlanClaiming[_raiseId].investorClaimed[_account];
    }

    /// @dev Diamond storage getter: startup claimed.
    /// @param _raiseId ID of raise
    /// @return Claimed base assets by investor
    function getStartupClaimedRejected(string memory _raiseId) internal view returns (uint256) {
        // return
        return milestoneStorage().repairPlanClaiming[_raiseId].startupClaimed;
    }

    // -----------------------------------------------------------------------
    //                              Unlock
    // -----------------------------------------------------------------------

    /// @dev Unlock new milestone for raise.
    /// @param _raiseId ID of raise
    /// @param _milestone Milestone struct
    function unlockMilestone(string memory _raiseId, StorageTypes.Milestone memory _milestone) internal {
        // get shares
        StorageTypes.ShareInfo storage shares_ = milestoneStorage().shares[_raiseId];

        // register new unlocked milestone
        shares_.milestones.push(_milestone);

        // increase unlocked shares
        shares_.unlockedShares += _milestone.share;

        // increase total shares
        shares_.totalShares += _milestone.share;
    }

    // -----------------------------------------------------------------------
    //                              Claim
    // -----------------------------------------------------------------------

    /// @dev Claim milestone by startup.
    /// @param _raiseId ID of raise
    /// @param _escrow Address of escrow
    /// @param _recipient Address of startup
    /// @param _amount Tokens to claim
    function claimMilestoneStartup(string memory _raiseId, address _escrow, address _recipient, uint256 _amount) internal {
        // storage update
        milestoneStorage().votingClaiming[_raiseId].startupClaimed += _amount;

        // transfer USDT
        IEscrow(_escrow).withdraw(LibBaseAsset.getAddress(_raiseId), IEscrow.ReceiverData(_recipient, _amount));
    }

    /// @dev Claim milestone by investor.
    /// @param _raiseId ID of raise
    /// @param _erc20 Address of token to claim
    /// @param _escrow Address of escrow
    /// @param _recipient Address of investor
    /// @param _amount Tokens to claim
    function claimMilestoneInvestor(string memory _raiseId, address _erc20, address _escrow, address _recipient, uint256 _amount) internal {
        // storage update
        milestoneStorage().votingClaiming[_raiseId].investorClaimed[_recipient] += _amount;

        // transfer ERC20
        IEscrow(_escrow).withdraw(_erc20, IEscrow.ReceiverData(_recipient, _amount));
    }

    // -----------------------------------------------------------------------
    //                              Reject raise
    // -----------------------------------------------------------------------

    /// @dev Reject raise to revert the rest of locked shares.
    /// @param _raiseId ID of raise
    /// @return Amount of rejected shares
    function rejectRaise(string memory _raiseId) internal returns (uint256) {
        // get existing unlocked and rejected shares
        uint256 existing_ = totalShares(_raiseId);

        // calculate still locked shares
        uint256 remaining_ = 100 * SHARE_PRECISION - existing_;

        // set rejected shares
        milestoneStorage().shares[_raiseId].rejectedShares += remaining_;

        // set total shares
        milestoneStorage().shares[_raiseId].totalShares += remaining_;

        // return
        return remaining_;
    }

    // -----------------------------------------------------------------------
    //                              Claim (failed repair plan)
    // -----------------------------------------------------------------------

    /// @dev Claim rejected repair plan funds by startup.
    /// @param _raiseId ID of raise
    /// @param _erc20 Address of token to claim
    /// @param _escrow Address of escrow
    /// @param _recipient Address of startup
    /// @param _amount Tokens to claim
    function claimRejectedStartup(string memory _raiseId, address _erc20, address _escrow, address _recipient, uint256 _amount) internal {
        // storage update
        milestoneStorage().repairPlanClaiming[_raiseId].startupClaimed += _amount;

        // transfer ERC20
        IEscrow(_escrow).withdraw(_erc20, IEscrow.ReceiverData(_recipient, _amount));
    }

    /// @dev Claim rejected repair plan funds by investor.
    /// @param _raiseId ID of raise
    /// @param _escrow Address of escrow
    /// @param _recipient Address of investor
    /// @param _amount Tokens to claim
    function claimRejectedInvestor(string memory _raiseId, address _escrow, address _recipient, uint256 _amount) internal {
        // storage update
        milestoneStorage().repairPlanClaiming[_raiseId].investorClaimed[_recipient] += _amount;

        // transfer USDT
        IEscrow(_escrow).withdraw(LibBaseAsset.getAddress(_raiseId), IEscrow.ReceiverData(_recipient, _amount));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports
import { StorageTypes } from "../../../structs/StorageTypes.sol";

/**************************************

    Claiming schedule library

    ------------------------------

    Diamond storage containing claiming schedule data

 **************************************/

/// @notice Library containing ClaimingScheduleStorage and low level functions.
library LibClaimingSchedule {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev Claiming schedule storage pointer.
    bytes32 private constant CLAIMING_SCHEDULES_STORAGE_POSITION = keccak256("angelblock.fundraising.claiming.schedule");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Claiming schedule storage struct.
    /// @param claimingScheduleIds Ids of claiming schedules for given milestone id
    /// @param claimingSchedules Mapping of claiming schedules
    struct ClaimingScheduleStorage {
        mapping(string => string[]) claimingScheduleIds;
        mapping(string => mapping(string => StorageTypes.ClaimingSchedule)) claimingSchedules;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning claiming schedule storage at storage pointer slot.
    /// @return css ClaimingScheduleStorage struct instance at storage pointer position
    function claimingScheduleStorage() private pure returns (ClaimingScheduleStorage storage css) {
        // declare position
        bytes32 position = CLAIMING_SCHEDULES_STORAGE_POSITION;

        // set slot to position
        assembly {
            css.slot := position
        }

        // explicit return
        return css;
    }

    // -----------------------------------------------------------------------
    //                              Getters / Setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: claiming schedules -> length.
    /// @param _milestoneId ID of milestone
    /// @return Length of claiming schedules
    function claimingScheduleCount(string memory _milestoneId) internal view returns (uint256) {
        return claimingScheduleStorage().claimingScheduleIds[_milestoneId].length;
    }

    /// @dev Diamond storage getter: claiming schedule ids.
    /// @param _milestoneId ID of milestone
    /// @return Array of claiming schedule ids
    function getClaimingScheduleIds(string memory _milestoneId) internal view returns (string[] memory) {
        return claimingScheduleStorage().claimingScheduleIds[_milestoneId];
    }

    /// @dev Diamond storage getter: claiming schedule.
    /// @param _milestoneId ID of milestone
    /// @param _claimingScheduleId ID of claiming schedule
    /// @return Claiming schedule struct
    function getClaimingSchedule(
        string memory _milestoneId,
        string memory _claimingScheduleId
    ) internal view returns (StorageTypes.ClaimingSchedule memory) {
        return claimingScheduleStorage().claimingSchedules[_milestoneId][_claimingScheduleId];
    }

    /// @dev Diamond storage getter: claiming schedule for given index in the storage array
    /// @param _milestoneId ID of milestone
    /// @param _index Claiming schedule index in the storage array
    function getClaimingScheduleForIndex(
        string memory _milestoneId,
        uint256 _index
    ) internal view returns (StorageTypes.ClaimingSchedule memory) {
        ClaimingScheduleStorage storage css = claimingScheduleStorage();
        return css.claimingSchedules[_milestoneId][css.claimingScheduleIds[_milestoneId][_index]];
    }

    /// @dev Diamond storage getter: claiming schedule -> partial share
    /// @param _milestoneId ID of milestone
    /// @param _claimingScheduleId ID of claiming schedule
    /// @return Claiming schedule partial share
    function getPartialShare(string memory _milestoneId, string memory _claimingScheduleId) internal view returns (uint256) {
        return claimingScheduleStorage().claimingSchedules[_milestoneId][_claimingScheduleId].partialShare;
    }

    /// @dev Diamond storage getter: claiming schedule -> unlock timestamp
    /// @param _milestoneId ID of milestone
    /// @param _claimingScheduleId ID of claiming schedule
    /// @return Claiming schedule unlock timestamp
    function getUnlockTimestamp(string memory _milestoneId, string memory _claimingScheduleId) internal view returns (uint256) {
        return claimingScheduleStorage().claimingSchedules[_milestoneId][_claimingScheduleId].unlockTimestamp;
    }

    /// @dev Diamond storage setter: add claiming schedule.
    /// @param _claimingSchedule Claiming schedule to add
    function createClaimingSchedule(StorageTypes.ClaimingSchedule memory _claimingSchedule) internal {
        // add claiming schedule id to ids in storage
        claimingScheduleStorage().claimingScheduleIds[_claimingSchedule.milestoneId].push(_claimingSchedule.claimingId);

        // set claiming schedule
        claimingScheduleStorage().claimingSchedules[_claimingSchedule.milestoneId][_claimingSchedule.claimingId] = _claimingSchedule;
    }

    /// @dev Diamond storage setter: update claiming schedule.
    /// @param _claimingSchedule Claiming schedule to update
    function updateClaimingSchedule(StorageTypes.ClaimingSchedule memory _claimingSchedule) internal {
        // set claiming schedule
        claimingScheduleStorage().claimingSchedules[_claimingSchedule.milestoneId][_claimingSchedule.claimingId] = _claimingSchedule;
    }

    /// @dev Diamond storage setter: delete claiming schedules.
    /// @param _milestoneId ID of milestone
    /// @param _amountsToRemove Amount of claiming schedules to delete
    function deleteClaimingSchedules(string memory _milestoneId, uint256 _amountsToRemove) internal {
        ClaimingScheduleStorage storage css = claimingScheduleStorage();

        for (uint i = 0; i < _amountsToRemove; i++) {
            // calculdate current amount of claming schedules
            uint256 claimingSchedulesLength_ = claimingScheduleCount(_milestoneId);

            // fetch last claiming schedule id
            string memory claimingScheduleId_ = css.claimingScheduleIds[_milestoneId][claimingSchedulesLength_ - 1];

            // remove last value from claiming schedule ids array
            css.claimingScheduleIds[_milestoneId].pop();
            // set default values for given claiming schedule id in the storage
            css.claimingSchedules[_milestoneId][claimingScheduleId_] = StorageTypes.ClaimingSchedule({
                claimingId: "",
                milestoneId: "",
                partialShare: 0,
                unlockTimestamp: 0
            });
        }
    }

    /// @dev Diamond storage setter: set claiming schedule unlock timestamp.
    /// @param _milestoneId ID of milestone
    /// @param _claimingScheduleId ID of claiming schedule
    /// @param _newUnlockTimestamp New unlock timestamp
    function setUnlockTimestamp(string memory _milestoneId, string memory _claimingScheduleId, uint256 _newUnlockTimestamp) internal {
        // set claiming schedule unlock timestamp
        claimingScheduleStorage().claimingSchedules[_milestoneId][_claimingScheduleId].unlockTimestamp = _newUnlockTimestamp;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/**************************************

    Raise errors

**************************************/

/// @dev All errors connected with raises.
library RaiseErrors {
    // -----------------------------------------------------------------------
    //                              Raise Creation
    // -----------------------------------------------------------------------

    error InvalidRaiseId(string raiseId); // 0xc2f9a803
    error InvalidRaiseStartEnd(uint256 start, uint256 end); // 0xb2fb4a1d
    error StartDateInPast(uint256 start); // 0x28b25bae
    error HardcapLessThanSoftcap(uint256 hardcap, uint256 softcap); // 0xa13f495f
    error InvalidVestedAmount(); // 0x17329d67
    error PriceNotMatchConfiguration(uint256 price, uint256 hardcap, uint256 vested); // 0x643c0fc5
    error InvalidTokenAddress(address token); // 0x73306803

    // -----------------------------------------------------------------------
    //                              Early Stage
    // -----------------------------------------------------------------------

    error OnlyForEarlyStage(string raiseId); // 0x2e14bd97
    error CannotForEarlyStage(string raiseId); // 0x28471ed7
    error TokenAlreadySet(string raiseId); // 0x11f125e1
    error TokenNotSet(string raiseId); // 0x64d2ac41
    error OnlyForStandard(string raiseId); // 0x493e93f0

    // -----------------------------------------------------------------------
    //                                 OTC
    // -----------------------------------------------------------------------

    error CannotForOTC(string raiseId); // 0x886ebb60

    // -----------------------------------------------------------------------
    //                              Investing
    // -----------------------------------------------------------------------

    error IncorrectAmount(uint256 amount); // 0x88967d2f
    error OwnerCannotInvest(address sender, string raiseId); // 0x44b4eea9
    error InvestmentOverLimit(uint256 existingInvestment, uint256 newInvestment, uint256 maxTicketSize); // 0x3ebbf796
    error InvestmentOverHardcap(uint256 existingInvestment, uint256 newInvestment, uint256 hardcap); // 0xf0152bdf
    error NotEnoughBalanceForInvestment(address sender, uint256 investment); // 0xaff6db15
    error NotEnoughAllowance(address sender, address spender, uint256 amount); // 0x892e7739

    // -----------------------------------------------------------------------
    //                              Raise State
    // -----------------------------------------------------------------------

    error RaiseAlreadyExists(string raiseId); // 0xa7bb9fe0
    error RaiseDoesNotExists(string raiseId); // 0x78134459
    error RaiseNotActive(string raiseId, uint256 currentTime); // 0x251061ff
    error RaiseNotFailed(string raiseId); // 0x1e45b786
    error RaiseNotSucceed(string raiseId); // 0x3925f3e4
    error RaiseAlreadyFinished(string raiseId); // 0x0287eafc

    // -----------------------------------------------------------------------
    //                              Softcap / Hardcap
    // -----------------------------------------------------------------------

    error HardcapAchieved(string raiseId); // 0x8e144f11

    // -----------------------------------------------------------------------
    //                              Reclaim
    // -----------------------------------------------------------------------

    error NothingToReclaim(string raiseId); // 0xf803caaa
    error AlreadyReclaimed(string raiseId); // 0x5ab9f7ef

    // -----------------------------------------------------------------------
    //                              Refund
    // -----------------------------------------------------------------------

    error UserHasNotInvested(address sender, string raiseId); // 0xf2ed8df2
    error CallerNotStartup(address sender, string raiseId); // 0x73810657
    error InvestorAlreadyRefunded(address sender, string raiseId); // 0x2eff5e61
    error CollateralAlreadyRefunded(string raiseId); // 0xc4543938
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - Structs
import { StorageTypes } from "../../../structs/StorageTypes.sol";

/// @dev Library containing ERC-20 asset storage with getters and setters
library LibERC20Asset {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev ERC-20 asset storage pointer.
    bytes32 internal constant ERC20_ASSET_STORAGE_POSITION = keccak256("angelblock.fundraising.erc20");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev ERC-20 asset storage struct.
    /// @param erc20 Mapping of raise id to ERC-20 asset struct
    struct ERC20AssetStorage {
        mapping(string => StorageTypes.ERC20Asset) erc20;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning ERC-20 asset storage at storage pointer slot.
    /// @return eas ERC20AssetStorage struct instance at storage pointer position
    function erc20AssetStorage() internal pure returns (ERC20AssetStorage storage eas) {
        // declare position
        bytes32 position = ERC20_ASSET_STORAGE_POSITION;

        // set slot to position
        assembly {
            eas.slot := position
        }

        // explicit return
        return eas;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: ERC-20 asset address.
    /// @param _raiseId ID of the raise
    /// @return Address of the ERC-20 asset
    function getAddress(string memory _raiseId) internal view returns (address) {
        return erc20AssetStorage().erc20[_raiseId].erc20;
    }

    /// @dev Diamond storage getter: ERC-20 asset chain id.
    /// @param _raiseId ID of the raise
    /// @return Id of the chain
    function getChainId(string memory _raiseId) internal view returns (uint256) {
        // return
        return erc20AssetStorage().erc20[_raiseId].chainId;
    }

    /// @dev Diamond storage setter: ERC-20 asset chain id.
    /// @param _raiseId ID of the raise
    /// @param _chainId Id of the chain
    function setChainId(string memory _raiseId, uint256 _chainId) internal {
        erc20AssetStorage().erc20[_raiseId].chainId = _chainId;
    }

    /// @dev Diamond storage getter: ERC-20 asset vested amount.
    /// @param _raiseId ID of the raise
    /// @return Amount of vested ERC-20 tokens
    function getAmount(string memory _raiseId) internal view returns (uint256) {
        return erc20AssetStorage().erc20[_raiseId].amount;
    }

    /// @dev Diamond storage setter: ERC-20 asset vested amount.
    /// @param _raiseId ID of the raise
    /// @param _amount Amount of vested ERC-20 tokens
    function setAmount(string memory _raiseId, uint256 _amount) internal {
        erc20AssetStorage().erc20[_raiseId].amount = _amount;
    }

    /// @dev Diamond storage setter: ERC-20 asset
    /// @param _raiseId ID of the raise
    /// @param _erc20Asset StorageTypes.ERC20Asset struct
    function setERC20Asset(string memory _raiseId, StorageTypes.ERC20Asset memory _erc20Asset) internal {
        erc20AssetStorage().erc20[_raiseId] = _erc20Asset;
    }

    /// @dev Diamond storage setter: ERC-20 asset address.
    /// @param _raiseId ID of the raise
    /// @param _erc20 Address of the ERC-20 asset
    function setERC20Address(string memory _raiseId, address _erc20) internal {
        erc20AssetStorage().erc20[_raiseId].erc20 = _erc20;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Library containing Escrow storage with getters and setters.
library LibEscrow {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev Escrow storage pointer.
    bytes32 internal constant ESCROW_STORAGE_POSITION = keccak256("angelblock.fundraising.escrow");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Escrow diamond storage.
    /// @param source Address of contract with source implementation for cloning Escrows.
    /// @param escrows Mapping of raise id to cloned Escrow instance address.
    struct EscrowStorage {
        address source;
        mapping(string => address) escrows;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning escrow storage at storage pointer slot.
    /// @return es EscrowStorage struct instance at storage pointer position
    function escrowStorage() internal pure returns (EscrowStorage storage es) {
        // declare position
        bytes32 position = ESCROW_STORAGE_POSITION;

        // set slot to position
        assembly {
            es.slot := position
        }

        // explicit return
        return es;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: Escrow source address.
    /// @return Escrow source address.
    function getSource() internal view returns (address) {
        return escrowStorage().source;
    }

    /// @dev Diamond storage getter: Escrow address.
    /// @param _raiseId Id of the Raise.
    /// @return Escrow address.
    function getEscrow(string memory _raiseId) internal view returns (address) {
        // get escrow address
        return escrowStorage().escrows[_raiseId];
    }

    /// @dev Diamond storage setter: Escrow source.
    /// @param _source Address of the source
    function setSource(address _source) internal {
        // set source address
        escrowStorage().source = _source;
    }

    /// @dev Diamond storage setter: Escrow address for raise.
    /// @param _raiseId Id of the Raise.
    /// @param _escrow Address of the escrow
    function setEscrow(string memory _raiseId, address _escrow) internal {
        // set Escrow
        escrowStorage().escrows[_raiseId] = _escrow;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - Structs
import { StorageTypes } from "../../../structs/StorageTypes.sol";
import { EnumTypes } from "../../../structs/EnumTypes.sol";

/// @notice Library containing raise storage with getters and setters.
library LibRaise {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev Raise storage pointer.
    bytes32 internal constant RAISE_STORAGE_POSITION = keccak256("angelblock.fundraising.storage.raise");
    /// @dev Precision used in price calculation
    uint256 internal constant PRICE_PRECISION = 10 ** 18;

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Raise storage struct.
    /// @param raises Mapping of raise id to particular raise struct
    /// @param raiseDetails Mapping of raise id to vested token information
    /// @param raiseDataCrosschains Mapping of raise id to raise state information
    /// @param raiseStatus Status of raise
    struct RaiseStorage {
        mapping(string => StorageTypes.Raise) raises;
        mapping(string => StorageTypes.RaiseDetails) raiseDetails;
        mapping(string => StorageTypes.RaiseDataCC) raiseDataCrosschains;
        mapping(string => EnumTypes.RaiseStatus) raiseStatus;
    }

    // diamond storage getter
    function raiseStorage() internal pure returns (RaiseStorage storage rs) {
        // declare position
        bytes32 position = RAISE_STORAGE_POSITION;

        // set slot to position
        assembly {
            rs.slot := position
        }

        // explicit return
        return rs;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: raise id.
    /// @param _raiseId Requested raise id
    /// @return Existing raise id
    function getId(string memory _raiseId) internal view returns (string memory) {
        // return
        return raiseStorage().raises[_raiseId].raiseId;
    }

    /// @dev Diamond storage getter: raise type.
    /// @param _raiseId Raise id
    /// @return Raise type
    function getType(string memory _raiseId) internal view returns (EnumTypes.RaiseType) {
        // return
        return raiseStorage().raises[_raiseId].raiseType;
    }

    /// @dev Diamond storage getter: raise owner.
    /// @param _raiseId Raise id
    /// @return Raise owner
    function getOwner(string memory _raiseId) internal view returns (address) {
        // return
        return raiseStorage().raises[_raiseId].owner;
    }

    /// @dev Diamond storage getter: tokens per base asset.
    /// @param _raiseId Raise id
    /// @return Tokens per base asset
    function getTokensPerBaseAsset(string memory _raiseId) internal view returns (uint256) {
        // return
        return raiseStorage().raiseDetails[_raiseId].tokensPerBaseAsset;
    }

    /// @dev Diamond storage setter: tokens per base asset.
    /// @param _raiseId Raise id
    /// @param _tokensPerBaseAsset Tokens per base asset
    function setTokensPerBaseAsset(string memory _raiseId, uint256 _tokensPerBaseAsset) internal {
        raiseStorage().raiseDetails[_raiseId].tokensPerBaseAsset = _tokensPerBaseAsset;
    }

    /// @dev Diamond storage getter: hardcap.
    /// @param _raiseId Raise id
    /// @return Hardcap
    function getHardcap(string memory _raiseId) internal view returns (uint256) {
        // return
        return raiseStorage().raiseDetails[_raiseId].hardcap;
    }

    /// @dev Diamond storage getter: softcap.
    /// @param _raiseId Raise id
    /// @return Softcap
    function getSoftcap(string memory _raiseId) internal view returns (uint256) {
        // return
        return raiseStorage().raiseDetails[_raiseId].softcap;
    }

    /// @dev Diamond storage getter: raise start.
    /// @param _raiseId Raise id
    /// @return Start date of raise
    function getStart(string memory _raiseId) internal view returns (uint256) {
        // return
        return raiseStorage().raiseDetails[_raiseId].start;
    }

    /// @dev Diamond storage getter: raise end.
    /// @param _raiseId Raise id
    /// @return End date of raise
    function getEnd(string memory _raiseId) internal view returns (uint256) {
        // return
        return raiseStorage().raiseDetails[_raiseId].end;
    }

    /// @dev Diamond storage getter: raised.
    /// @param _raiseId Raise id
    /// @return Raised amount
    function getRaised(string memory _raiseId) internal view returns (uint256) {
        // return
        return raiseStorage().raiseDataCrosschains[_raiseId].raised;
    }

    /// @dev Diamond storage getter: merkle root.
    /// @param _raiseId Raise id
    /// @return Merkle root
    function getMerkleRoot(string memory _raiseId) internal view returns (bytes32) {
        return raiseStorage().raiseDataCrosschains[_raiseId].merkleRoot;
    }

    /// @dev Diamond storage getter: raise status.
    /// @param _raiseId Raise id
    /// @return Status of raise with provided id
    function getRaiseStatus(string memory _raiseId) internal view returns (EnumTypes.RaiseStatus) {
        return raiseStorage().raiseStatus[_raiseId];
    }

    /// @dev Diamond storage setter: set raise.
    /// @param _raiseId Raise id
    /// @param _raise Raise struct
    function setRaise(string memory _raiseId, StorageTypes.Raise memory _raise) internal {
        // set raise
        raiseStorage().raises[_raiseId] = _raise;
    }

    /// @dev Diamond storage setter: set raise details.
    /// @param _raiseId Raise id
    /// @param _raiseDetails Raise details struct
    function setRaiseDetails(string memory _raiseId, StorageTypes.RaiseDetails memory _raiseDetails) internal {
        // set raise details
        raiseStorage().raiseDetails[_raiseId] = _raiseDetails;
    }

    /// @dev Diamond storage setter: set raise cross-chain data.
    /// @param _raiseId Raise id
    /// @param _raiseDataCC Raise cross-chain data struct
    function setRaiseDataCrosschain(string memory _raiseId, StorageTypes.RaiseDataCC memory _raiseDataCC) internal {
        // set cross-chain raise data
        raiseStorage().raiseDataCrosschains[_raiseId] = _raiseDataCC;
    }

    /// @dev Diamond storage setter: raise status.
    /// @param _raiseId Raise id
    /// @param _status Raise enum status
    function setRaiseStatus(string memory _raiseId, EnumTypes.RaiseStatus _status) internal {
        raiseStorage().raiseStatus[_raiseId] = _status;
    }

    /// @dev Diamond storage setter: set end.
    /// @param _raiseId Raise id
    /// @param _end End date of fundraising
    function setEnd(string memory _raiseId, uint256 _end) internal {
        // set raise end date
        raiseStorage().raiseDetails[_raiseId].end = _end;
    }

    /// @dev Diamond storage setter: increase raised amount.
    /// @param _raiseId Raise id
    /// @param _amount Raised increment of amount
    function increaseRaised(string memory _raiseId, uint256 _amount) internal {
        raiseStorage().raiseDataCrosschains[_raiseId].raised += _amount;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - constants, encoders, events, errors, structs
import { RequestErrors } from "../../../../errors/RequestErrors.sol";
import { RaiseErrors } from "../../../../errors/RaiseErrors.sol";
import { CrossChainErrors } from "../../../../errors/cross-chain/CrossChainErrors.sol";
import { StorageTypes } from "../../../../structs/StorageTypes.sol";
import { EnumTypes } from "../../../../structs/EnumTypes.sol";

// Local imports - storages
import { LibRaise } from "../../../storage/raise/LibRaise.sol";
import { LibERC20Asset } from "../../../storage/assets/LibERC20Asset.sol";
import { LibBaseAsset } from "../../../storage/assets/LibBaseAsset.sol";
import { LibNonce } from "../../../storage/utils/LibNonce.sol";

library RaiseService {
    /**************************************

        Create raise

     **************************************/

    /// @dev Set to storage all raise and assets data.
    /// @param _raiseId ID of the raise
    /// @param _sender Message sender
    /// @param _nonce Used nonce
    /// @param _raise StorageTypes.Raise struct
    /// @param _raiseDetails StorageTypes.RaiseDetails struct
    /// @param _erc20Asset StorageTypes.ERC20Asset struct
    /// @param _baseAsset StorageTypes.BaseAsset struct
    function setRaiseCreationData(
        string memory _raiseId,
        address _sender,
        uint256 _nonce,
        StorageTypes.Raise memory _raise,
        StorageTypes.RaiseDetails memory _raiseDetails,
        StorageTypes.ERC20Asset memory _erc20Asset,
        StorageTypes.BaseAsset memory _baseAsset
    ) internal {
        // set raise to storage
        LibRaise.setRaise(_raiseId, _raise);
        // set raise details to storage
        LibRaise.setRaiseDetails(_raiseId, _raiseDetails);
        // set ERC-20 asset to storage
        LibERC20Asset.setERC20Asset(_raiseId, _erc20Asset);
        // set base asset to storage
        LibBaseAsset.setBaseAsset(_raiseId, _baseAsset);
        // set status
        LibRaise.setRaiseStatus(_raiseId, EnumTypes.RaiseStatus.RaiseCreated);
        // set nonce as used to storage
        LibNonce.setNonce(_sender, _nonce);
    }

    function validateCreationRequest(
        StorageTypes.Raise memory _raise,
        StorageTypes.RaiseDetails memory _raiseDetails,
        StorageTypes.ERC20Asset memory _erc20Asset,
        address _sender,
        uint256 _nonce
    ) internal view {
        if (_nonce <= LibNonce.getLastNonce(_sender)) {
            revert RequestErrors.NonceExpired(_sender, _nonce);
        }

        // check raise id
        if (bytes(_raise.raiseId).length == 0) {
            revert RaiseErrors.InvalidRaiseId(_raise.raiseId);
        }

        // verify if raise does not exist
        if (isRaiseExists(_raise.raiseId)) {
            revert RaiseErrors.RaiseAlreadyExists(_raise.raiseId);
        }

        // check start and end date
        if (_raiseDetails.start >= _raiseDetails.end) {
            revert RaiseErrors.InvalidRaiseStartEnd(_raiseDetails.start, _raiseDetails.end);
        }

        // start date and end date can be in present or future
        if (_raiseDetails.start < block.timestamp) {
            revert RaiseErrors.StartDateInPast(_raiseDetails.start);
        }

        // check hardcap and softcap
        if (_raiseDetails.hardcap < _raiseDetails.softcap) {
            revert RaiseErrors.HardcapLessThanSoftcap(_raiseDetails.hardcap, _raiseDetails.softcap);
        }

        // check if tokens are vested
        if (_erc20Asset.amount == 0) {
            revert RaiseErrors.InvalidVestedAmount();
        }

        // validate price per token == vested / hardcap
        if (_raiseDetails.tokensPerBaseAsset != (_erc20Asset.amount * LibRaise.PRICE_PRECISION) / _raiseDetails.hardcap) {
            revert RaiseErrors.PriceNotMatchConfiguration(_raiseDetails.tokensPerBaseAsset, _raiseDetails.hardcap, _erc20Asset.amount);
        }

        // validate token address for Early Stage type
        // TODO: Add support for AZ PSP22 here
        if (_raise.raiseType != EnumTypes.RaiseType.EarlyStage && _erc20Asset.erc20 == address(0)) {
            revert RaiseErrors.InvalidTokenAddress(_erc20Asset.erc20);
        }
    }

    /**************************************

        Finish raise

     **************************************/

    /// @dev Set finish raise
    /// @param _raiseId ID of the raise
    /// @param _raised uint256 raised funds
    /// @param _merkleRoot bytes32 merkle root
    function setFinishRaiseData(string memory _raiseId, uint256 _raised, bytes32 _merkleRoot) internal {
        StorageTypes.RaiseDataCC memory raiseDataCC_ = StorageTypes.RaiseDataCC({ raised: _raised, merkleRoot: _merkleRoot });
        LibRaise.setRaiseDataCrosschain(_raiseId, raiseDataCC_);

        if (isSoftcapAchieved(_raiseId)) {
            LibRaise.setRaiseStatus(_raiseId, EnumTypes.RaiseStatus.RaiseSucceed);
        } else {
            LibRaise.setRaiseStatus(_raiseId, EnumTypes.RaiseStatus.RaiseFailed);
        }
    }

    /// @dev Used for both: sender and receiver
    /// @param _raiseId ID of the raise
    /// @param _sender Message sender
    /// @param _nonce Used nonce
    function validateFinishRaiseRequest(string memory _raiseId, address _sender, uint256 _nonce) internal view {
        if (_nonce <= LibNonce.getLastNonce(_sender)) {
            revert RequestErrors.NonceExpired(_sender, _nonce);
        }

        if (LibRaise.getMerkleRoot(_raiseId) != 0) {
            revert RaiseErrors.RaiseAlreadyFinished(_raiseId);
        }
    }

    /**************************************

        Sold / unsold

     **************************************/

    /// @dev Get amount of sold tokens.
    /// @param _raiseId ID of raise
    /// @return Amount of tokens to claim by investor
    function getSold(string memory _raiseId) internal view returns (uint256) {
        // get tokens per base asset
        uint256 tokensPerBaseAsset_ = LibRaise.getTokensPerBaseAsset(_raiseId);

        // get raised
        uint256 raised_ = LibRaise.getRaised(_raiseId);

        // calculate how much tokens are sold
        return (tokensPerBaseAsset_ * raised_) / LibRaise.PRICE_PRECISION;
    }

    /// @dev Get amount of unsold tokens.
    /// @param _raiseId ID of raise
    /// @return Amount of tokens to reclaim by startup
    function getUnsold(string memory _raiseId) internal view returns (uint256) {
        // get all vested tokens
        uint256 vested_ = LibERC20Asset.getAmount(_raiseId);

        // get sold tokens
        uint256 sold_ = getSold(_raiseId);

        // return
        return vested_ - sold_;
    }

    /// @dev Get amount of unsold tokens.
    /// @param _raiseId ID of raise
    /// @param _diff Amount of unsold base asset
    /// @return Amount of tokens to reclaim by startup
    function calculateUnsold(string memory _raiseId, uint256 _diff) internal view returns (uint256) {
        // calculate how much tokens are unsold
        return (LibRaise.getTokensPerBaseAsset(_raiseId) * _diff) / LibRaise.PRICE_PRECISION;
    }

    /**************************************

        Getters

     **************************************/

    /// @dev Get amount of raised funds.
    /// @param _raiseId ID of raise
    /// @return Amount of collected funds in fundraising
    function getRaised(string memory _raiseId) internal view returns (uint256) {
        return LibRaise.getRaised(_raiseId);
    }

    /// @dev Get softcap limit.
    /// @param _raiseId ID of raise
    /// @return Softcap limit
    function getSoftcap(string memory _raiseId) internal view returns (uint256) {
        return LibRaise.getSoftcap(_raiseId);
    }

    /**************************************

        Checks

     **************************************/

    /// @dev Check if raise for given id exists.
    /// @param _raiseId ID of the raise
    /// @return True if raise exists
    function isRaiseExists(string memory _raiseId) internal view returns (bool) {
        // return
        return bytes(LibRaise.getId(_raiseId)).length != 0;
    }

    /// @dev Check if raise is active.
    /// @param _raiseId ID of raise
    /// @return True if investment round is ongoing
    function isRaiseActive(string memory _raiseId) internal view returns (bool) {
        // tx.members
        uint256 now_ = block.timestamp;

        // get raise start time
        uint256 start_ = LibRaise.getStart(_raiseId);
        // get raise end time
        uint256 end_ = LibRaise.getEnd(_raiseId);

        // final check
        return start_ <= now_ && now_ <= end_;
    }

    /// @dev Validation if raise was completed.
    /// @param _raiseId ID of raise
    function validateCompletedRaise(string memory _raiseId) internal view {
        // verify raise exists
        if (!isRaiseExists(_raiseId)) {
            revert RaiseErrors.RaiseDoesNotExists(_raiseId);
        }

        // check if raise failed already
        if (LibRaise.getRaiseStatus(_raiseId) != EnumTypes.RaiseStatus.RaiseSucceed) {
            revert RaiseErrors.RaiseNotSucceed(_raiseId);
        }
    }

    /// @dev Check if softcap was achieved.
    /// @param _raiseId ID of raise
    /// @return True if softcap was achieved
    function isSoftcapAchieved(string memory _raiseId) internal view returns (bool) {
        // return
        return LibRaise.getSoftcap(_raiseId) <= LibRaise.getRaised(_raiseId);
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity >=0.5.0;

import "./ILayerZeroUserApplicationConfig.sol";

interface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig {
    // @notice send a LayerZero message to the specified address at a LayerZero endpoint.
    // @param _dstChainId - the destination chain identifier
    // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains
    // @param _payload - a custom bytes payload to send to the destination contract
    // @param _refundAddress - if the source transaction is cheaper than the amount of value passed, refund the additional amount to this address
    // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction
    // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the relayer on destination
    function send(uint16 _dstChainId, bytes calldata _destination, bytes calldata _payload, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable;

    // @notice used by the messaging library to publish verified payload
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source contract (as bytes) at the source chain
    // @param _dstAddress - the address on destination chain
    // @param _nonce - the unbound message ordering nonce
    // @param _gasLimit - the gas limit for external contract execution
    // @param _payload - verified payload to send to the destination contract
    function receivePayload(uint16 _srcChainId, bytes calldata _srcAddress, address _dstAddress, uint64 _nonce, uint _gasLimit, bytes calldata _payload) external;

    // @notice get the inboundNonce of a receiver from a source chain which could be EVM or non-EVM chain
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64);

    // @notice get the outboundNonce from this source chain which, consequently, is always an EVM
    // @param _srcAddress - the source chain contract address
    function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64);

    // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery
    // @param _dstChainId - the destination chain identifier
    // @param _userApplication - the user app address on this EVM chain
    // @param _payload - the custom message to send over LayerZero
    // @param _payInZRO - if false, user app pays the protocol fee in native token
    // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain
    function estimateFees(uint16 _dstChainId, address _userApplication, bytes calldata _payload, bool _payInZRO, bytes calldata _adapterParam) external view returns (uint nativeFee, uint zroFee);

    // @notice get this Endpoint's immutable source identifier
    function getChainId() external view returns (uint16);

    // @notice the interface to retry failed message on this Endpoint destination
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    // @param _payload - the payload to be retried
    function retryPayload(uint16 _srcChainId, bytes calldata _srcAddress, bytes calldata _payload) external;

    // @notice query if any STORED payload (message blocking) at the endpoint.
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool);

    // @notice query if the _libraryAddress is valid for sending msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getSendLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the _libraryAddress is valid for receiving msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getReceiveLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the non-reentrancy guard for send() is on
    // @return true if the guard is on. false otherwise
    function isSendingPayload() external view returns (bool);

    // @notice query if the non-reentrancy guard for receive() is on
    // @return true if the guard is on. false otherwise
    function isReceivingPayload() external view returns (bool);

    // @notice get the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _userApplication - the contract address of the user application
    // @param _configType - type of configuration. every messaging library has its own convention.
    function getConfig(uint16 _version, uint16 _chainId, address _userApplication, uint _configType) external view returns (bytes memory);

    // @notice get the send() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getSendVersion(address _userApplication) external view returns (uint16);

    // @notice get the lzReceive() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getReceiveVersion(address _userApplication) external view returns (uint16);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - Structs
import { RequestTypes } from "../structs/RequestTypes.sol";
import { CrossChainRequestTypes } from "../structs/CrossChainRequestTypes.sol";

/**************************************

    Raise encoder

**************************************/

/// @notice Raise encoder for EIP712 message hash.
library CrossChainEncoder {
    /// @dev Decode request data for raise registration.
    /// @param _payload Byte-encoded payload
    /// @return Decoded RequestTypes.RegisterRaiseRequest struct
    function decodeRegisterRaisePayload(
        bytes calldata _payload
    ) internal pure returns (RequestTypes.RegisterRaiseRequest memory, bytes32, uint8, bytes32, bytes32) {
        // return
        return abi.decode(_payload, (RequestTypes.RegisterRaiseRequest, bytes32, uint8, bytes32, bytes32));
    }

    /// @dev Decode request data for raise finalization.
    /// @param _payload Byte-encoded payload
    /// @return Decoded RequestTypes.FinishRaiseReceiverRequest struct
    function decodeFinishRaiseReceiverPayload(
        bytes calldata _payload
    ) internal pure returns (RequestTypes.FinishRaiseReceiverRequest memory, bytes32, uint8, bytes32, bytes32) {
        // return
        return abi.decode(_payload, (RequestTypes.FinishRaiseReceiverRequest, bytes32, uint8, bytes32, bytes32));
    }

    /// @dev Decode request data for unlocking new milestone.
    /// @param _payload Byte-encoded payload
    /// @return Decoded RequestTypes.SubmitClaimingReceiverRequest struct
    function decodeUnlockMilestonePayload(
        bytes calldata _payload
    ) internal pure returns (RequestTypes.UnlockMilestoneReceiverRequest memory, bytes32, uint8, bytes32, bytes32) {
        // return
        return abi.decode(_payload, (RequestTypes.UnlockMilestoneReceiverRequest, bytes32, uint8, bytes32, bytes32));
    }

    /// @dev Decode request data for submitting claiming schedule.
    /// @param _payload Byte-encoded payload
    /// @return Decoded RequestTypes.SubmitClaimingReceiverRequest struct
    function decodeSubmitClaimingPayload(
        bytes calldata _payload
    ) internal pure returns (RequestTypes.SubmitClaimingReceiverRequest memory, bytes32, uint8, bytes32, bytes32) {
        // return
        return abi.decode(_payload, (RequestTypes.SubmitClaimingReceiverRequest, bytes32, uint8, bytes32, bytes32));
    }

    /// @dev Decode request data for reschedule claimings.
    /// @param _payload Byte-encoded payload
    /// @return Decoded RequestTypes.RescheduleClaimingReceiverRequest struct
    function decodeRescheduleClaimingsPayload(
        bytes calldata _payload
    ) internal pure returns (RequestTypes.RescheduleClaimingReceiverRequest memory, bytes32, uint8, bytes32, bytes32) {
        // return
        return abi.decode(_payload, (RequestTypes.RescheduleClaimingReceiverRequest, bytes32, uint8, bytes32, bytes32));
    }

    /// @dev Decode request data for submitting failed repair plan.
    /// @param _payload Byte-encoded payload
    /// @return Decoded RequestTypes.RejectRaiseReceiverRequest struct
    function decodeRejectRaisePayload(
        bytes calldata _payload
    ) internal pure returns (RequestTypes.RejectRaiseReceiverRequest memory, bytes32, uint8, bytes32, bytes32) {
        // return
        return abi.decode(_payload, (RequestTypes.RejectRaiseReceiverRequest, bytes32, uint8, bytes32, bytes32));
    }

    /// @dev Decode LayerZero data needed to send cross-chain message
    /// @param _crossChainData Encoded data to send
    /// @return Decoded RequestTypes.LayerZeroData struct
    function decodeLayerZeroData(bytes calldata _crossChainData) internal pure returns (CrossChainRequestTypes.LayerZeroData memory) {
        // decode and return
        return abi.decode(_crossChainData, (CrossChainRequestTypes.LayerZeroData));
    }

    /// @dev Decode AlephZero data needed to send cross-chain message
    /// @param _crossChainData Encoded data to send
    /// @return Decoded RequestTypes.AlephZeroData struct
    function decodeAlephZeroData(bytes calldata _crossChainData) internal pure returns (CrossChainRequestTypes.AlephZeroData memory) {
        // decode and return
        return abi.decode(_crossChainData, (CrossChainRequestTypes.AlephZeroData));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/**************************************

    LayerZero errors
    
**************************************/

/// @dev All errors used in LayerZero cross chain communication
library LayerZeroErrors {
    // -----------------------------------------------------------------------
    //                              Send
    // -----------------------------------------------------------------------

    error UnsupportedLayerZeroChain(uint256 chainId); // 0x9e90d5d0
    error InvalidLayerZeroFee(); // 0x6142d241
    error InvalidNativeSent(uint256 value, uint256 fee); // 0x7166d3ed

    // -----------------------------------------------------------------------
    //                              Receive
    // -----------------------------------------------------------------------

    error ChainNotSupported(uint16 chainId); // 0xec2a2f0f
    error UntrustedRemote(bytes remote); // 0xd39d950e
    error NonceExpired(uint16 chainId, uint256 nativeChainId, bytes srcAddress, uint64 nonce); // 0x286d7ff2
    error UnsupportedFunction(uint256 chainId, bytes4 functionSelector); // 0x4f1e4a6d

    // -----------------------------------------------------------------------
    //                              Retry
    // -----------------------------------------------------------------------

    error MessageNotExists(uint16 srcChainId, bytes srcAddress, uint64 nonce); // 0x2e4f65fa
    error InvalidPayload(bytes32 storedPayload, bytes32 sentPayload); // 0xca89b547
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Library containing cross-chain EVM configuration
library LibCrossChainEvmConfiguration {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev Cross-chain EVM configuration storage pointer.
    bytes32 internal constant CC_EVM_CONFIG_STORAGE_POSITION = keccak256("angelblock.cc.evm.config");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Cross-chain EVM configuration storage struct.
    /// @param fundraisings Mapping of native chain id to fundraising address on the given chain
    /// @param supportedFunctions Mapping of native chain id to supported 4 byte signature of function
    struct EvmConfigurationStorage {
        mapping(uint256 => address) fundraisings;
        mapping(uint256 => mapping(bytes4 => bool)) supportedFunctions;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning cross-chain evm configuration storage at storage pointer slot.
    /// @return ecs EvmConfigurationStorage struct instance at storage pointer position
    function evmConfigurationStorage() internal pure returns (EvmConfigurationStorage storage ecs) {
        // declare position
        bytes32 position = CC_EVM_CONFIG_STORAGE_POSITION;

        // set slot to position
        assembly {
            ecs.slot := position
        }

        // explicit return
        return ecs;
    }

    // -----------------------------------------------------------------------
    //                              Getters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: Fundraising address.
    /// @param _nativeChainId ID of the chain
    /// @return Address of the fundraising
    function getFundraising(uint256 _nativeChainId) internal view returns (address) {
        // return
        return evmConfigurationStorage().fundraisings[_nativeChainId];
    }

    /// @dev Diamond storage getter: Supported function.
    /// @param _nativeChainId ID of the chain
    /// @param _supportedFunctionSelector Selector of function
    /// @return True if function is supported
    function getSupportedFunction(uint256 _nativeChainId, bytes4 _supportedFunctionSelector) internal view returns (bool) {
        // return
        return evmConfigurationStorage().supportedFunctions[_nativeChainId][_supportedFunctionSelector];
    }

    // -----------------------------------------------------------------------
    //                              Setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage setter: Fundraising address.
    /// @param _nativeChainId ID of the chain
    /// @param _fundraising Address of the fundraising
    function setFundraising(uint256 _nativeChainId, address _fundraising) internal {
        // set fundraising
        evmConfigurationStorage().fundraisings[_nativeChainId] = _fundraising;
    }

    /// @dev Diamond storage setter: Supported function.
    /// @param _nativeChainId ID of the chain
    /// @param _supportedFunctionSelector Selector of function
    /// @param _isSupported Boolean if function is supported
    function setSupportedFunction(uint256 _nativeChainId, bytes4 _supportedFunctionSelector, bool _isSupported) internal {
        // set supported function
        evmConfigurationStorage().supportedFunctions[_nativeChainId][_supportedFunctionSelector] = _isSupported;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Library containing investor funds info storage with getters and setters.
library LibLayerZeroBase {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev LayerZero base storage pointer.
    bytes32 internal constant CROSS_CHAIN_LAYER_ZERO_BASE_STORAGE_POSITION = keccak256("angelblock.cc.lz.base");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev LayerZero base storage struct.
    /// @param crossChainEndpoint LayerZero endpoint address
    struct LayerZeroBaseStorage {
        address crossChainEndpoint;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning LayerZero base storage at storage pointer slot.
    /// @return lzbs LayerZeroBaseStorage struct instance at storage pointer position
    function layerZeroBaseStorage() internal pure returns (LayerZeroBaseStorage storage lzbs) {
        // declare position
        bytes32 position = CROSS_CHAIN_LAYER_ZERO_BASE_STORAGE_POSITION;

        // set slot to position
        assembly {
            lzbs.slot := position
        }

        // explicit return
        return lzbs;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: LayerZero endpoint.
    /// @return LayerZero endpoint address
    function getCrossChainEndpoint() internal view returns (address) {
        return layerZeroBaseStorage().crossChainEndpoint;
    }

    /// @dev Diamond storage setter: LayerZero endpoint.
    /// @param _crossChainEndpoint LayerZero endpoint address
    function setCrossChainEndpoint(address _crossChainEndpoint) internal {
        layerZeroBaseStorage().crossChainEndpoint = _crossChainEndpoint;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Library containing necessary information for sending messages via LayerZero
library LibLayerZeroSender {
    // -----------------------------------------------------------------------
    //                              Storage pointer
    // -----------------------------------------------------------------------

    /// @dev Raise storage pointer.
    bytes32 internal constant LZ_SENDER_STORAGE_POSITION = keccak256("angelblock.cc.lz.sender");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev LayerZero sender struct.
    /// @param refundAddress Refund address
    /// @param networks Mapping of native network id to LZ network id for supported networks
    struct LayerZeroSenderStorage {
        address refundAddress;
        mapping(uint256 => uint16) networks;
    }

    // -----------------------------------------------------------------------
    //                              Storage
    // -----------------------------------------------------------------------

    // diamond storage getter
    function lzSenderStorage() internal pure returns (LayerZeroSenderStorage storage lzs) {
        // declare position
        bytes32 position = LZ_SENDER_STORAGE_POSITION;

        // set slot to position
        assembly {
            lzs.slot := position
        }

        // explicit return
        return lzs;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: refund address.
    /// @return Refund address
    function getRefundAddress() internal view returns (address) {
        // return
        return lzSenderStorage().refundAddress;
    }

    /// @dev Diamond storage getter: network.
    /// @param _nativeChainId Native chain id for given network
    /// @return LayerZero network id
    function getNetwork(uint256 _nativeChainId) internal view returns (uint16) {
        // return
        return lzSenderStorage().networks[_nativeChainId];
    }

    /// @dev Diamond storage setter: refund address.
    /// @param _refundAddress New refund address for LayerZero calls
    function setRefundAddress(address _refundAddress) internal {
        lzSenderStorage().refundAddress = _refundAddress;
    }

    /// @dev Diamond storage setter: network.
    /// @param _nativeChainId Native chain id
    /// @param _layerZeroChainId Network chain id in LayerZero format
    function setNetwork(uint256 _nativeChainId, uint16 _layerZeroChainId) internal {
        lzSenderStorage().networks[_nativeChainId] = _layerZeroChainId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

// Local imports - Structs
import { StorageTypes } from "../../../structs/StorageTypes.sol";

/// @dev Library containing base asset storage with getters and setters
library LibBaseAsset {
    // -----------------------------------------------------------------------
    //                              Constants
    // -----------------------------------------------------------------------

    /// @dev Base asset storage pointer.
    bytes32 internal constant BASE_ASSET_STORAGE_POSITION = keccak256("angelblock.fundraising.baseAsset");

    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Base asset storage struct.
    /// @param base Mapping of raise id to base asset struct
    struct BaseAssetStorage {
        mapping(string => StorageTypes.BaseAsset) base;
    }

    // -----------------------------------------------------------------------
    //                              Diamond storage
    // -----------------------------------------------------------------------

    /// @dev Function returning base asset storage at storage pointer slot.
    /// @return bas BaseAssetStorage struct instance at storage pointer position
    function baseAssetStorage() internal pure returns (BaseAssetStorage storage bas) {
        // declare position
        bytes32 position = BASE_ASSET_STORAGE_POSITION;

        // set slot to position
        assembly {
            bas.slot := position
        }

        // explicit return
        return bas;
    }

    // -----------------------------------------------------------------------
    //                              Getters / setters
    // -----------------------------------------------------------------------

    /// @dev Diamond storage getter: Base asset address.
    /// @param _raiseId ID of the raise
    /// @return Address of the base asset
    function getAddress(string memory _raiseId) internal view returns (address) {
        // return
        return baseAssetStorage().base[_raiseId].base;
    }

    /// @dev Diamond storage getter: Base asset chain id.
    /// @param _raiseId ID of the raise
    /// @return Id of the chain
    function getChainId(string memory _raiseId) internal view returns (uint256) {
        // return
        return baseAssetStorage().base[_raiseId].chainId;
    }

    /// @dev Diamond storage setter: Base asset
    /// @param _raiseId ID of the raise
    /// @param _baseAsset StorageTypes.BaseAsset struct
    function setBaseAsset(string memory _raiseId, StorageTypes.BaseAsset memory _baseAsset) internal {
        // set base asset
        baseAssetStorage().base[_raiseId] = _baseAsset;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.25;

/**************************************

    security-contact:
    - security@angelblock.io

    maintainers:
    - marcin@angelblock.io
    - piotr@angelblock.io
    - mikolaj@angelblock.io
    - sebastian@angelblock.io

    contributors:
    - domenico@angelblock.io

**************************************/

/// @notice Interface for escrow contract.
interface IEscrow {
    // -----------------------------------------------------------------------
    //                              Structs
    // -----------------------------------------------------------------------

    /// @dev Struct used in 'withdraw' and 'batchWithdraw' function to store receiver data.
    /// @param receiver Receiver address
    /// @param amount Amount to send for the given receiver
    struct ReceiverData {
        address receiver;
        uint256 amount;
    }

    // -----------------------------------------------------------------------
    //                              Events
    // -----------------------------------------------------------------------

    event Withdraw(address token, address receiver, uint256 amount);

    // -----------------------------------------------------------------------
    //                              Errors
    // -----------------------------------------------------------------------

    error InvalidSender(address sender, address expected); // 0xe1130dba
    error DataMismatch(); // 0x866c41db

    // -----------------------------------------------------------------------
    //                          External functions
    // -----------------------------------------------------------------------

    /// @dev Withdrawal of asset from escrow to user.
    /// @param _token Token to transfer
    /// @param _receiverData Receiver data (address and amount)
    function withdraw(address _token, ReceiverData calldata _receiverData) external;

    /// @dev Withdrawal of asset in batch from escrow to users.
    /// @param _token Token to transfer
    /// @param _receiverData Array of receivers data (addresses and amounts)
    function batchWithdraw(address _token, ReceiverData[] calldata _receiverData) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity >=0.5.0;

interface ILayerZeroUserApplicationConfig {
    // @notice set the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _configType - type of configuration. every messaging library has its own convention.
    // @param _config - configuration in the bytes. can encode arbitrary content.
    function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external;

    // @notice set the send() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setSendVersion(uint16 _version) external;

    // @notice set the lzReceive() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setReceiveVersion(uint16 _version) external;

    // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload
    // @param _srcChainId - the chainId of the source chain
    // @param _srcAddress - the contract address of the source contract at the source chain
    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

{
  "remappings": [
    "@openzeppelin/=src/fundraising/node_modules/@openzeppelin/",
    "ds-test/=src/fundraising/node_modules/ds-test/src/",
    "forge-std/=src/fundraising/node_modules/forge-std/src/",
    "layer-zero/=src/fundraising/node_modules/layer-zero/",
    "ethereum-xcm-v3/=src/fundraising/node_modules/ethereum-xcm-v3/",
    "base58-solidity/=src/fundraising/node_modules/base58-solidity/",
    "murky/=src/fundraising/node_modules/murky/",
    "stringutils/=node_modules/stringutils/src/",
    "permit2/=node_modules/permit2/src/",
    "hardhat/=src/fundraising/node_modules/hardhat/",
    "openzeppelin-contracts/=src/fundraising/node_modules/murky/lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200,
    "details": {
      "yul": true
    }
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": true,
  "libraries": {}
}

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[{"inputs":[{"internalType":"string","name":"requestClaimingScheduleId","type":"string"},{"internalType":"string","name":"storageClaimingScheduleId","type":"string"}],"name":"CannotChangeClaimingId","type":"error"},{"inputs":[{"internalType":"string","name":"claimingScheduleId","type":"string"},{"internalType":"string","name":"requestMilestoneId","type":"string"},{"internalType":"string","name":"storageMilestoneId","type":"string"}],"name":"CannotChangeMilestoneId","type":"error"},{"inputs":[{"internalType":"string","name":"claimingScheduleId","type":"string"},{"internalType":"uint256","name":"unlockTimestamp","type":"uint256"}],"name":"CannotChangePastClaimingSchedule","type":"error"},{"inputs":[],"name":"CannotDeletePastSchedule","type":"error"},{"inputs":[],"name":"EmptyClaimingSchedules","type":"error"},{"inputs":[],"name":"EmptyPayload","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"IncorrectSender","type":"error"},{"inputs":[{"internalType":"address","name":"signer","type":"address"}],"name":"IncorrectSigner","type":"error"},{"inputs":[],"name":"InvalidLayerZeroFee","type":"error"},{"inputs":[{"internalType":"bytes32","name":"verify","type":"bytes32"},{"internalType":"bytes32","name":"message","type":"bytes32"}],"name":"InvalidMessage","type":"error"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"InvalidNativeSent","type":"error"},{"inputs":[{"internalType":"string","name":"milestoneId","type":"string"}],"name":"MilestoneNotExists","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"name":"NonceExpired","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"expiry","type":"uint256"}],"name":"RequestExpired","type":"error"},{"inputs":[{"internalType":"string","name":"milestoneId","type":"string"},{"internalType":"uint256","name":"milestoneShare","type":"uint256"},{"internalType":"uint256","name":"rescheduledShares","type":"uint256"}],"name":"RescheduledSharesMustEqualMilestoneShare","type":"error"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"bytes4","name":"functionSelector","type":"bytes4"}],"name":"UnsupportedFunction","type":"error"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"}],"name":"UnsupportedLayerZeroChain","type":"error"},{"inputs":[],"name":"UnsupportedProvider","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"raiseId","type":"string"},{"indexed":false,"internalType":"string","name":"milestoneId","type":"string"},{"components":[{"internalType":"string","name":"claimingId","type":"string"},{"internalType":"string","name":"milestoneId","type":"string"},{"internalType":"uint256","name":"partialShare","type":"uint256"},{"internalType":"uint256","name":"unlockTimestamp","type":"uint256"}],"indexed":false,"internalType":"struct StorageTypes.ClaimingSchedule[]","name":"claimingSchedules","type":"tuple[]"}],"name":"ClaimingsRescheduled","type":"event"},{"inputs":[{"components":[{"internalType":"string","name":"raiseId","type":"string"},{"internalType":"string","name":"milestoneId","type":"string"},{"components":[{"internalType":"string","name":"claimingId","type":"string"},{"internalType":"string","name":"milestoneId","type":"string"},{"internalType":"uint256","name":"partialShare","type":"uint256"},{"internalType":"uint256","name":"unlockTimestamp","type":"uint256"}],"internalType":"struct StorageTypes.ClaimingSchedule[]","name":"claimingSchedules","type":"tuple[]"},{"components":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"internalType":"struct RequestTypes.BaseRequest","name":"base","type":"tuple"}],"internalType":"struct RequestTypes.RescheduleClaimingRequest","name":"_request","type":"tuple"},{"internalType":"bytes32","name":"_message","type":"bytes32"},{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"components":[{"internalType":"enum EnumTypes.CrossChainProvider","name":"provider","type":"uint8"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct CrossChainRequestTypes.CrossChainData","name":"_crossChainData","type":"tuple"}],"name":"rescheduleClaimings","outputs":[],"stateMutability":"payable","type":"function"}]

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