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Latest 25 from a total of 1,103 transactions
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| Transfer | 13339396 | 1607 days ago | IN | 0 ETH | 0.00272011 | ||||
| Transfer | 11724541 | 1857 days ago | IN | 0 ETH | 0.00713978 | ||||
| Transfer | 11547823 | 1884 days ago | IN | 0 ETH | 0.00275452 | ||||
| Transfer | 11547823 | 1884 days ago | IN | 0 ETH | 0.00275362 | ||||
| Transfer | 11547823 | 1884 days ago | IN | 0 ETH | 0.00275452 | ||||
| Transfer | 11547823 | 1884 days ago | IN | 0 ETH | 0.00275452 | ||||
| Transfer | 11547823 | 1884 days ago | IN | 0 ETH | 0.00275452 | ||||
| Transfer | 11323961 | 1918 days ago | IN | 0 ETH | 0.00170699 | ||||
| Transfer | 11318913 | 1919 days ago | IN | 0 ETH | 0.00318564 | ||||
| Transfer | 11317232 | 1919 days ago | IN | 0 ETH | 0.00220434 | ||||
| Transfer | 11290037 | 1924 days ago | IN | 0 ETH | 0.00206956 | ||||
| Transfer | 11188543 | 1939 days ago | IN | 0 ETH | 0.0008328 | ||||
| Transfer | 11170214 | 1942 days ago | IN | 0 ETH | 0.00103406 | ||||
| Transfer | 11157482 | 1944 days ago | IN | 0 ETH | 0.00271779 | ||||
| Transfer | 11146172 | 1946 days ago | IN | 0 ETH | 0.00137358 | ||||
| Transfer | 11117036 | 1950 days ago | IN | 0 ETH | 0.00058763 | ||||
| Transfer | 11094402 | 1954 days ago | IN | 0 ETH | 0.00531589 | ||||
| Transfer | 11088590 | 1954 days ago | IN | 0 ETH | 0.0012174 | ||||
| Transfer | 11088521 | 1954 days ago | IN | 0 ETH | 0.00079193 | ||||
| Transfer | 11088443 | 1954 days ago | IN | 0 ETH | 0.00079193 | ||||
| Transfer | 11088442 | 1954 days ago | IN | 0 ETH | 0.00118193 | ||||
| Transfer | 11088293 | 1954 days ago | IN | 0 ETH | 0.00088261 | ||||
| Transfer | 11087816 | 1955 days ago | IN | 0 ETH | 0.0048348 | ||||
| Transfer | 11087793 | 1955 days ago | IN | 0 ETH | 0.00363384 | ||||
| Transfer | 11087758 | 1955 days ago | IN | 0 ETH | 0.0024 |
Latest 25 internal transactions (View All)
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| - | 10814365 | 1997 days ago | 15 ETH | ||||
| - | 10761619 | 2005 days ago | 24.7 ETH | ||||
| - | 10729829 | 2010 days ago | 50.491 ETH | ||||
| - | 10645216 | 2023 days ago | 31.0100558 ETH | ||||
| - | 10599908 | 2030 days ago | 0.0269249 ETH | ||||
| - | 10598929 | 2030 days ago | 0.0269249 ETH | ||||
| - | 10598865 | 2030 days ago | 0.0269249 ETH | ||||
| - | 10598848 | 2030 days ago | 0.0269249 ETH | ||||
| - | 10598843 | 2030 days ago | 0.0269249 ETH | ||||
| - | 10556818 | 2036 days ago | 0.04 ETH | ||||
| - | 10556798 | 2036 days ago | 0.02 ETH | ||||
| - | 10556780 | 2036 days ago | 0.01 ETH | ||||
| - | 10554709 | 2037 days ago | 0.01 ETH | ||||
| - | 10548273 | 2038 days ago | 0.00004419 ETH | ||||
| - | 10532342 | 2040 days ago | 18.8 ETH | ||||
| - | 10510499 | 2044 days ago | 23.38146496 ETH | ||||
| - | 10394009 | 2062 days ago | 50.80410453 ETH | ||||
| - | 10359116 | 2067 days ago | 0.0000612 ETH | ||||
| - | 10308589 | 2075 days ago | 16.41633544 ETH | ||||
| - | 9978824 | 2126 days ago | 71 ETH | ||||
| - | 9948570 | 2131 days ago | 55.24150305 ETH | ||||
| - | 9902350 | 2138 days ago | 54.7 ETH | ||||
| - | 9863773 | 2144 days ago | 77.99 ETH | ||||
| - | 9857433 | 2145 days ago | 98.17356289 ETH | ||||
| - | 9728782 | 2165 days ago | 1,914 ETH |
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Contract Name:
SGAToken
Compiler Version
v0.4.25+commit.59dbf8f1
Contract Source Code (Solidity)
/**
*Submitted for verification at Etherscan.io on 2019-11-27
*/
pragma solidity 0.4.25;
// File: contracts/saga/interfaces/IPaymentHandler.sol
/**
* @title Payment Handler Interface.
*/
interface IPaymentHandler {
/**
* @dev Get the amount of available ETH.
* @return The amount of available ETH.
*/
function getEthBalance() external view returns (uint256);
/**
* @dev Transfer ETH to an SGA holder.
* @param _to The address of the SGA holder.
* @param _value The amount of ETH to transfer.
*/
function transferEthToSgaHolder(address _to, uint256 _value) external;
}
// File: contracts/saga/interfaces/IMintListener.sol
/**
* @title Mint Listener Interface.
*/
interface IMintListener {
/**
* @dev Mint SGA for SGN holders.
* @param _value The amount of SGA to mint.
*/
function mintSgaForSgnHolders(uint256 _value) external;
}
// File: contracts/saga/interfaces/ISGATokenManager.sol
/**
* @title SGA Token Manager Interface.
*/
interface ISGATokenManager {
/**
* @dev Exchange ETH for SGA.
* @param _sender The address of the sender.
* @param _ethAmount The amount of ETH received.
* @return The amount of SGA that the sender is entitled to.
*/
function exchangeEthForSga(address _sender, uint256 _ethAmount) external returns (uint256);
/**
* @dev Exchange SGA for ETH.
* @param _sender The address of the sender.
* @param _sgaAmount The amount of SGA received.
* @return The amount of ETH that the sender is entitled to.
*/
function exchangeSgaForEth(address _sender, uint256 _sgaAmount) external returns (uint256);
/**
* @dev Handle direct SGA transfer.
* @param _sender The address of the sender.
* @param _to The address of the destination account.
* @param _value The amount of SGA to be transferred.
*/
function uponTransfer(address _sender, address _to, uint256 _value) external;
/**
* @dev Handle custodian SGA transfer.
* @param _sender The address of the sender.
* @param _from The address of the source account.
* @param _to The address of the destination account.
* @param _value The amount of SGA to be transferred.
*/
function uponTransferFrom(address _sender, address _from, address _to, uint256 _value) external;
/**
* @dev Handle the operation of ETH deposit into the SGAToken contract.
* @param _sender The address of the account which has issued the operation.
* @param _balance The amount of ETH in the SGAToken contract.
* @param _amount The deposited ETH amount.
* @return The address of the reserve-wallet and the deficient amount of ETH in the SGAToken contract.
*/
function uponDeposit(address _sender, uint256 _balance, uint256 _amount) external returns (address, uint256);
/**
* @dev Handle the operation of ETH withdrawal from the SGAToken contract.
* @param _sender The address of the account which has issued the operation.
* @param _balance The amount of ETH in the SGAToken contract prior the withdrawal.
* @return The address of the reserve-wallet and the excessive amount of ETH in the SGAToken contract.
*/
function uponWithdraw(address _sender, uint256 _balance) external returns (address, uint256);
/**
* @dev Upon SGA mint for SGN holders.
* @param _value The amount of SGA to mint.
*/
function uponMintSgaForSgnHolders(uint256 _value) external;
/**
* @dev Upon SGA transfer to an SGN holder.
* @param _to The address of the SGN holder.
* @param _value The amount of SGA to transfer.
*/
function uponTransferSgaToSgnHolder(address _to, uint256 _value) external;
/**
* @dev Upon ETH transfer to an SGA holder.
* @param _to The address of the SGA holder.
* @param _value The amount of ETH to transfer.
* @param _status The operation's completion-status.
*/
function postTransferEthToSgaHolder(address _to, uint256 _value, bool _status) external;
/**
* @dev Get the address of the reserve-wallet and the deficient amount of ETH in the SGAToken contract.
* @return The address of the reserve-wallet and the deficient amount of ETH in the SGAToken contract.
*/
function getDepositParams() external view returns (address, uint256);
/**
* @dev Get the address of the reserve-wallet and the excessive amount of ETH in the SGAToken contract.
* @return The address of the reserve-wallet and the excessive amount of ETH in the SGAToken contract.
*/
function getWithdrawParams() external view returns (address, uint256);
}
// File: contracts/contract_address_locator/interfaces/IContractAddressLocator.sol
/**
* @title Contract Address Locator Interface.
*/
interface IContractAddressLocator {
/**
* @dev Get the contract address mapped to a given identifier.
* @param _identifier The identifier.
* @return The contract address.
*/
function getContractAddress(bytes32 _identifier) external view returns (address);
/**
* @dev Determine whether or not a contract address relates to one of the identifiers.
* @param _contractAddress The contract address to look for.
* @param _identifiers The identifiers.
* @return A boolean indicating if the contract address relates to one of the identifiers.
*/
function isContractAddressRelates(address _contractAddress, bytes32[] _identifiers) external view returns (bool);
}
// File: contracts/contract_address_locator/ContractAddressLocatorHolder.sol
/**
* @title Contract Address Locator Holder.
* @dev Hold a contract address locator, which maps a unique identifier to every contract address in the system.
* @dev Any contract which inherits from this contract can retrieve the address of any contract in the system.
* @dev Thus, any contract can remain "oblivious" to the replacement of any other contract in the system.
* @dev In addition to that, any function in any contract can be restricted to a specific caller.
*/
contract ContractAddressLocatorHolder {
bytes32 internal constant _IAuthorizationDataSource_ = "IAuthorizationDataSource";
bytes32 internal constant _ISGNConversionManager_ = "ISGNConversionManager" ;
bytes32 internal constant _IModelDataSource_ = "IModelDataSource" ;
bytes32 internal constant _IPaymentHandler_ = "IPaymentHandler" ;
bytes32 internal constant _IPaymentManager_ = "IPaymentManager" ;
bytes32 internal constant _IPaymentQueue_ = "IPaymentQueue" ;
bytes32 internal constant _IReconciliationAdjuster_ = "IReconciliationAdjuster" ;
bytes32 internal constant _IIntervalIterator_ = "IIntervalIterator" ;
bytes32 internal constant _IMintHandler_ = "IMintHandler" ;
bytes32 internal constant _IMintListener_ = "IMintListener" ;
bytes32 internal constant _IMintManager_ = "IMintManager" ;
bytes32 internal constant _IPriceBandCalculator_ = "IPriceBandCalculator" ;
bytes32 internal constant _IModelCalculator_ = "IModelCalculator" ;
bytes32 internal constant _IRedButton_ = "IRedButton" ;
bytes32 internal constant _IReserveManager_ = "IReserveManager" ;
bytes32 internal constant _ISagaExchanger_ = "ISagaExchanger" ;
bytes32 internal constant _IMonetaryModel_ = "IMonetaryModel" ;
bytes32 internal constant _IMonetaryModelState_ = "IMonetaryModelState" ;
bytes32 internal constant _ISGAAuthorizationManager_ = "ISGAAuthorizationManager";
bytes32 internal constant _ISGAToken_ = "ISGAToken" ;
bytes32 internal constant _ISGATokenManager_ = "ISGATokenManager" ;
bytes32 internal constant _ISGNAuthorizationManager_ = "ISGNAuthorizationManager";
bytes32 internal constant _ISGNToken_ = "ISGNToken" ;
bytes32 internal constant _ISGNTokenManager_ = "ISGNTokenManager" ;
bytes32 internal constant _IMintingPointTimersManager_ = "IMintingPointTimersManager" ;
bytes32 internal constant _ITradingClasses_ = "ITradingClasses" ;
bytes32 internal constant _IWalletsTradingLimiterValueConverter_ = "IWalletsTLValueConverter" ;
bytes32 internal constant _IWalletsTradingDataSource_ = "IWalletsTradingDataSource" ;
bytes32 internal constant _WalletsTradingLimiter_SGNTokenManager_ = "WalletsTLSGNTokenManager" ;
bytes32 internal constant _WalletsTradingLimiter_SGATokenManager_ = "WalletsTLSGATokenManager" ;
bytes32 internal constant _IETHConverter_ = "IETHConverter" ;
bytes32 internal constant _ITransactionLimiter_ = "ITransactionLimiter" ;
bytes32 internal constant _ITransactionManager_ = "ITransactionManager" ;
bytes32 internal constant _IRateApprover_ = "IRateApprover" ;
IContractAddressLocator private contractAddressLocator;
/**
* @dev Create the contract.
* @param _contractAddressLocator The contract address locator.
*/
constructor(IContractAddressLocator _contractAddressLocator) internal {
require(_contractAddressLocator != address(0), "locator is illegal");
contractAddressLocator = _contractAddressLocator;
}
/**
* @dev Get the contract address locator.
* @return The contract address locator.
*/
function getContractAddressLocator() external view returns (IContractAddressLocator) {
return contractAddressLocator;
}
/**
* @dev Get the contract address mapped to a given identifier.
* @param _identifier The identifier.
* @return The contract address.
*/
function getContractAddress(bytes32 _identifier) internal view returns (address) {
return contractAddressLocator.getContractAddress(_identifier);
}
/**
* @dev Determine whether or not the sender relates to one of the identifiers.
* @param _identifiers The identifiers.
* @return A boolean indicating if the sender relates to one of the identifiers.
*/
function isSenderAddressRelates(bytes32[] _identifiers) internal view returns (bool) {
return contractAddressLocator.isContractAddressRelates(msg.sender, _identifiers);
}
/**
* @dev Verify that the caller is mapped to a given identifier.
* @param _identifier The identifier.
*/
modifier only(bytes32 _identifier) {
require(msg.sender == getContractAddress(_identifier), "caller is illegal");
_;
}
}
// File: contracts/saga-genesis/interfaces/ISagaExchanger.sol
/**
* @title Saga Exchanger Interface.
*/
interface ISagaExchanger {
/**
* @dev Transfer SGA to an SGN holder.
* @param _to The address of the SGN holder.
* @param _value The amount of SGA to transfer.
*/
function transferSgaToSgnHolder(address _to, uint256 _value) external;
}
// File: openzeppelin-solidity/contracts/token/ERC20/IERC20.sol
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender)
external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value)
external returns (bool);
function transferFrom(address from, address to, uint256 value)
external returns (bool);
event Transfer(
address indexed from,
address indexed to,
uint256 value
);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
// File: openzeppelin-solidity/contracts/math/SafeMath.sol
/**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
// File: openzeppelin-solidity/contracts/token/ERC20/ERC20.sol
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
* Originally based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract ERC20 is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(
address owner,
address spender
)
public
view
returns (uint256)
{
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* 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
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(
address from,
address to,
uint256 value
)
public
returns (bool)
{
require(value <= _allowed[from][msg.sender]);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(
address spender,
uint256 addedValue
)
public
returns (bool)
{
require(spender != address(0));
_allowed[msg.sender][spender] = (
_allowed[msg.sender][spender].add(addedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(
address spender,
uint256 subtractedValue
)
public
returns (bool)
{
require(spender != address(0));
_allowed[msg.sender][spender] = (
_allowed[msg.sender][spender].sub(subtractedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(value <= _balances[from]);
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of balances such that the
* proper events are emitted.
* @param account The account that will receive the created tokens.
* @param value The amount that will be created.
*/
function _mint(address account, uint256 value) internal {
require(account != 0);
_totalSupply = _totalSupply.add(value);
_balances[account] = _balances[account].add(value);
emit Transfer(address(0), account, value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burn(address account, uint256 value) internal {
require(account != 0);
require(value <= _balances[account]);
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* @param account The account whose tokens will be burnt.
* @param value The amount that will be burnt.
*/
function _burnFrom(address account, uint256 value) internal {
require(value <= _allowed[account][msg.sender]);
// Should https://github.com/OpenZeppelin/zeppelin-solidity/issues/707 be accepted,
// this function needs to emit an event with the updated approval.
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(
value);
_burn(account, value);
}
}
// File: contracts/saga/SGAToken.sol
/**
* Details of usage of licenced software see here: https://www.saga.org/software/readme_v1
*/
/**
* @title Saga Token.
* @dev ERC20 compatible.
* @dev Exchange ETH for SGA.
* @dev Exchange SGA for ETH.
*/
contract SGAToken is ERC20, ContractAddressLocatorHolder, IMintListener, ISagaExchanger, IPaymentHandler {
string public constant VERSION = "1.0.0";
string public constant name = "Saga";
string public constant symbol = "SGA";
uint8 public constant decimals = 18;
/**
* @dev Public Address 0x10063FCCf5eEE46fC65D399a7F5dd88730906CF9.
* @notice SGA will be minted at this public address for SGN holders.
* @notice SGA will be transferred from this public address upon conversion by an SGN holder.
* @notice It is generated in a manner which ensures that the corresponding private key is unknown.
*/
address public constant SGA_MINTED_FOR_SGN_HOLDERS = address(keccak256("SGA_MINTED_FOR_SGN_HOLDERS"));
/**
* @dev Create the contract.
* @param _contractAddressLocator The contract address locator.
*/
constructor(IContractAddressLocator _contractAddressLocator) ContractAddressLocatorHolder(_contractAddressLocator) public {}
/**
* @dev Return the contract which implements the ISGATokenManager interface.
*/
function getSGATokenManager() public view returns (ISGATokenManager) {
return ISGATokenManager(getContractAddress(_ISGATokenManager_));
}
/**
* @dev Exchange ETH for SGA.
* @notice Can be executed from externally-owned accounts but not from other contracts.
* @notice This is due to the insufficient gas-stipend provided to the fallback function.
*/
function() external payable {
uint256 amount = getSGATokenManager().exchangeEthForSga(msg.sender, msg.value);
_mint(msg.sender, amount);
}
/**
* @dev Exchange ETH for SGA.
* @notice Can be executed from externally-owned accounts as well as from other contracts.
*/
function exchange() external payable {
uint256 amount = getSGATokenManager().exchangeEthForSga(msg.sender, msg.value);
_mint(msg.sender, amount);
}
/**
* @dev Transfer SGA to another account.
* @param _to The address of the destination account.
* @param _value The amount of SGA to be transferred.
* @return Status (true if completed successfully, false otherwise).
* @notice If the destination account is this contract, then exchange SGA for ETH.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
if (_to == address(this)) {
uint256 amount = getSGATokenManager().exchangeSgaForEth(msg.sender, _value);
_burn(msg.sender, _value);
msg.sender.transfer(amount);
return true;
}
getSGATokenManager().uponTransfer(msg.sender, _to, _value);
return super.transfer(_to, _value);
}
/**
* @dev Transfer SGA from one account to another.
* @param _from The address of the source account.
* @param _to The address of the destination account.
* @param _value The amount of SGA to be transferred.
* @return Status (true if completed successfully, false otherwise).
* @notice If the destination account is this contract, then the operation is illegal.
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(this), "custodian-transfer of SGA into this contract is illegal");
getSGATokenManager().uponTransferFrom(msg.sender, _from, _to, _value);
return super.transferFrom(_from, _to, _value);
}
/**
* @dev Deposit ETH into this contract.
*/
function deposit() external payable {
getSGATokenManager().uponDeposit(msg.sender, address(this).balance, msg.value);
}
/**
* @dev Withdraw ETH from this contract.
*/
function withdraw() external {
(address wallet, uint256 amount) = getSGATokenManager().uponWithdraw(msg.sender, address(this).balance);
wallet.transfer(amount);
}
/**
* @dev Mint SGA for SGN holders.
* @param _value The amount of SGA to mint.
*/
function mintSgaForSgnHolders(uint256 _value) external only(_IMintManager_) {
getSGATokenManager().uponMintSgaForSgnHolders(_value);
_mint(SGA_MINTED_FOR_SGN_HOLDERS, _value);
}
/**
* @dev Transfer SGA to an SGN holder.
* @param _to The address of the SGN holder.
* @param _value The amount of SGA to transfer.
*/
function transferSgaToSgnHolder(address _to, uint256 _value) external only(_ISGNToken_) {
getSGATokenManager().uponTransferSgaToSgnHolder(_to, _value);
_transfer(SGA_MINTED_FOR_SGN_HOLDERS, _to, _value);
}
/**
* @dev Transfer ETH to an SGA holder.
* @param _to The address of the SGA holder.
* @param _value The amount of ETH to transfer.
*/
function transferEthToSgaHolder(address _to, uint256 _value) external only(_IPaymentManager_) {
bool status = _to.send(_value);
getSGATokenManager().postTransferEthToSgaHolder(_to, _value, status);
}
/**
* @dev Get the amount of available ETH.
* @return The amount of available ETH.
*/
function getEthBalance() external view returns (uint256) {
return address(this).balance;
}
/**
* @dev Get the address of the reserve-wallet and the deficient amount of ETH in this contract.
* @return The address of the reserve-wallet and the deficient amount of ETH in this contract.
*/
function getDepositParams() external view returns (address, uint256) {
return getSGATokenManager().getDepositParams();
}
/**
* @dev Get the address of the reserve-wallet and the excessive amount of ETH in this contract.
* @return The address of the reserve-wallet and the excessive amount of ETH in this contract.
*/
function getWithdrawParams() external view returns (address, uint256) {
return getSGATokenManager().getWithdrawParams();
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getSGATokenManager","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferSgaToSgnHolder","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"SGA_MINTED_FOR_SGN_HOLDERS","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getEthBalance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getContractAddressLocator","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"mintSgaForSgnHolders","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferEthToSgaHolder","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getDepositParams","outputs":[{"name":"","type":"address"},{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"deposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"getWithdrawParams","outputs":[{"name":"","type":"address"},{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exchange","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"VERSION","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_contractAddressLocator","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000aabcd54faf94925adbe0df117c62961acecbacdb
-----Decoded View---------------
Arg [0] : _contractAddressLocator (address): 0xaAbcd54Faf94925ADBE0df117C62961AcEcBACDb
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000aabcd54faf94925adbe0df117c62961acecbacdb
Swarm Source
bzzr://cce51a801a9711b3368f01322bda5566f7110b3a843141414dc75766f448238a
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OVERVIEW
Saga (SGA) is a reserve-backed worldwide money, complementing national currencies, accepted by acclaimed financial institutions and governed by its holders.Net Worth in USD
$5.67
Net Worth in ETH
0.002734
Token Allocations
BSC-USD
100.00%
Multichain Portfolio | 34 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
|---|---|---|---|---|---|
| BSC | 100.00% | $1 | 5.67 | $5.67 |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.