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Cross-Chain Transactions
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Contract Name:
VyperBoostTreasury
Compiler Version
v0.8.27+commit.40a35a09
Optimization Enabled:
Yes with 200 runs
Other Settings:
cancun EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity 0.8.27;
import "./const/Constants.sol";
import {IVyper} from "@interfaces/IVyper.sol";
import {wmul} from "./utils/Math.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
/**
* @title VyperBoostTreasury
*/
contract VyperBoostTreasury {
using SafeERC20 for IVyper;
uint64 public constant DISTRIBUTION = 0.2e18; // 20%
IVyper public immutable vyper;
address public immutable auction;
error VyperBoostTreasury__OnlyAuction();
constructor(address _auction, address _vyper) {
auction = _auction;
vyper = IVyper(_vyper);
}
modifier onlyAuction() {
_onlyAuction();
_;
}
function emitForAuction() external onlyAuction returns (uint256 emitted) {
uint256 balanceOf = vyper.balanceOf(address(this));
emitted = wmul(balanceOf, DISTRIBUTION);
vyper.safeTransfer(msg.sender, emitted);
}
function _onlyAuction() internal view {
if (msg.sender != auction) revert VyperBoostTreasury__OnlyAuction();
}
}// SPDX-License-Identifier: MIT pragma solidity 0.8.27; // Distribution addresses address constant DEAD_ADDR = 0x000000000000000000000000000000000000dEaD; address constant GENESIS_WALLET = 0xBeb2363cA0A7A9FEB75D88aC27A46Fc8bB75Eb6C; address constant VOLT_TREASURY = 0xb638BFB7BC3B8398bee48569CFDAA6B3Bb004224; address constant OWNER = 0xeC0Db0059F749d2a97B216ffd65270E80Db46383; address constant LIQUIDITY_BONDING_ADDR = 0x45C03d66229d01dF2645E813222b16C8B8b86894; address constant DEV_WALLET = 0xB22830174575Cd1c43591A8Ed9806aD4C4FEb9BB; // Percentages in WAD uint64 constant INCENTIVE_FEE = 0.015e18; //1.5% uint64 constant TO_GENESIS = 0.07e18; //7% uint64 constant TO_DEV_WALLET = 0.01e18; //1% uint64 constant DX_BURN = 0.04e18; //4% uint64 constant TO_LP = 0.08e18; //8% uint64 constant TO_VOLT_BURN = 0.04e18; //4% uint64 constant TO_BNB = 0.76e18; //76% // PRECISION uint64 constant WAD = 1e18; // INTERVALS uint16 constant INTERVAL_TIME = 5 minutes; uint16 constant INTERVALS_PER_DAY = uint16(24 hours / INTERVAL_TIME); //UNIV3 uint24 constant POOL_FEE = 10_000; //1% int16 constant TICK_SPACING = 200; // Uniswap's tick spacing for 1% pools is 200
// SPDX-License-Identifier: MIT
pragma solidity 0.8.27;
import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";
interface IVyper is IERC20 {
function burn(uint256 amount) external;
}// SPDX-License-Identifier: MIT
pragma solidity 0.8.27;
/* solhint-disable func-visibility, no-inline-assembly */
error Math__toInt256_overflow();
error Math__toUint64_overflow();
error Math__add_overflow_signed();
error Math__sub_overflow_signed();
error Math__mul_overflow_signed();
error Math__mul_overflow();
error Math__div_overflow();
uint256 constant WAD = 1e18;
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/SafeCastLib.sol#L367
function toInt256(uint256 x) pure returns (int256) {
if (x >= 1 << 255) revert Math__toInt256_overflow();
return int256(x);
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/SafeCastLib.sol#L53
function toUint64(uint256 x) pure returns (uint64) {
if (x >= 1 << 64) revert Math__toUint64_overflow();
return uint64(x);
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/FixedPointMathLib.sol#L602
function abs(int256 x) pure returns (uint256 z) {
assembly ("memory-safe") {
let mask := sub(0, shr(255, x))
z := xor(mask, add(mask, x))
}
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/FixedPointMathLib.sol#L620
function min(uint256 x, uint256 y) pure returns (uint256 z) {
assembly ("memory-safe") {
z := xor(x, mul(xor(x, y), lt(y, x)))
}
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/FixedPointMathLib.sol#L628
function min(int256 x, int256 y) pure returns (int256 z) {
assembly ("memory-safe") {
z := xor(x, mul(xor(x, y), slt(y, x)))
}
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/FixedPointMathLib.sol#L636
function max(uint256 x, uint256 y) pure returns (uint256 z) {
assembly ("memory-safe") {
z := xor(x, mul(xor(x, y), gt(y, x)))
}
}
/// @dev Taken from https://github.com/makerdao/dss/blob/fa4f6630afb0624d04a003e920b0d71a00331d98/src/vat.sol#L74
function add(uint256 x, int256 y) pure returns (uint256 z) {
assembly ("memory-safe") {
z := add(x, y)
}
if ((y > 0 && z < x) || (y < 0 && z > x)) {
revert Math__add_overflow_signed();
}
}
/// @dev Taken from https://github.com/makerdao/dss/blob/fa4f6630afb0624d04a003e920b0d71a00331d98/src/vat.sol#L79
function sub(uint256 x, uint256 y) pure returns (uint256 z) {
assembly ("memory-safe") {
z := sub(x, y)
}
if ((y > 0 && z > x) || (y < 0 && z < x)) {
revert Math__sub_overflow_signed();
}
}
/// @dev Taken from https://github.com/makerdao/dss/blob/fa4f6630afb0624d04a003e920b0d71a00331d98/src/vat.sol#L84
function mul(uint256 x, int256 y) pure returns (int256 z) {
unchecked {
z = int256(x) * y;
if (int256(x) < 0 || (y != 0 && z / y != int256(x))) {
revert Math__mul_overflow_signed();
}
}
}
/// @dev Equivalent to `(x * y) / WAD` rounded down.
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/FixedPointMathLib.sol#L54
function wmul(uint256 x, uint256 y) pure returns (uint256 z) {
assembly ("memory-safe") {
// Equivalent to `require(y == 0 || x <= type(uint256).max / y)`.
if mul(y, gt(x, div(not(0), y))) {
// Store the function selector of `Math__mul_overflow()`.
mstore(0x00, 0xc4c5d7f5)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
z := div(mul(x, y), WAD)
}
}
function wmul(uint256 x, int256 y) pure returns (int256 z) {
unchecked {
z = mul(x, y) / int256(WAD);
}
}
/// @dev Equivalent to `(x * y) / WAD` rounded up.
/// @dev Taken from https://github.com/Vectorized/solady/blob/969a78905274b32cdb7907398c443f7ea212e4f4/src/utils/FixedPointMathLib.sol#L69C22-L69C22
function wmulUp(uint256 x, uint256 y) pure returns (uint256 z) {
/// @solidity memory-safe-assembly
assembly {
// Equivalent to `require(y == 0 || x <= type(uint256).max / y)`.
if mul(y, gt(x, div(not(0), y))) {
// Store the function selector of `Math__mul_overflow()`.
mstore(0x00, 0xc4c5d7f5)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
z := add(iszero(iszero(mod(mul(x, y), WAD))), div(mul(x, y), WAD))
}
}
/// @dev Equivalent to `(x * WAD) / y` rounded down.
/// @dev Taken from https://github.com/Vectorized/solady/blob/6d706e05ef43cbed234c648f83c55f3a4bb0a520/src/utils/FixedPointMathLib.sol#L84
function wdiv(uint256 x, uint256 y) pure returns (uint256 z) {
assembly ("memory-safe") {
// Equivalent to `require(y != 0 && (WAD == 0 || x <= type(uint256).max / WAD))`.
if iszero(mul(y, iszero(mul(WAD, gt(x, div(not(0), WAD)))))) {
// Store the function selector of `Math__div_overflow()`.
mstore(0x00, 0xbcbede65)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
z := div(mul(x, WAD), y)
}
}
/// @dev Equivalent to `(x * WAD) / y` rounded up.
/// @dev Taken from https://github.com/Vectorized/solady/blob/969a78905274b32cdb7907398c443f7ea212e4f4/src/utils/FixedPointMathLib.sol#L99
function wdivUp(uint256 x, uint256 y) pure returns (uint256 z) {
/// @solidity memory-safe-assembly
assembly {
// Equivalent to `require(y != 0 && (WAD == 0 || x <= type(uint256).max / WAD))`.
if iszero(mul(y, iszero(mul(WAD, gt(x, div(not(0), WAD)))))) {
// Store the function selector of `Math__div_overflow()`.
mstore(0x00, 0xbcbede65)
// Revert with (offset, size).
revert(0x1c, 0x04)
}
z := add(iszero(iszero(mod(mul(x, WAD), y))), div(mul(x, WAD), y))
}
}
/// @dev Taken from https://github.com/makerdao/dss/blob/fa4f6630afb0624d04a003e920b0d71a00331d98/src/jug.sol#L62
function wpow(uint256 x, uint256 n, uint256 b) pure returns (uint256 z) {
unchecked {
assembly ("memory-safe") {
switch n
case 0 {
z := b
}
default {
switch x
case 0 {
z := 0
}
default {
switch mod(n, 2)
case 0 {
z := b
}
default {
z := x
}
let half := div(b, 2) // for rounding.
for {
n := div(n, 2)
} n {
n := div(n, 2)
} {
let xx := mul(x, x)
if shr(128, x) {
revert(0, 0)
}
let xxRound := add(xx, half)
if lt(xxRound, xx) {
revert(0, 0)
}
x := div(xxRound, b)
if mod(n, 2) {
let zx := mul(z, x)
if and(
iszero(iszero(x)),
iszero(eq(div(zx, x), z))
) {
revert(0, 0)
}
let zxRound := add(zx, half)
if lt(zxRound, zx) {
revert(0, 0)
}
z := div(zxRound, b)
}
}
}
}
}
}
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/cde0a5fb594da8655ba6bfcdc2e40a7c870c0cc0/src/utils/FixedPointMathLib.sol#L110
/// @dev Equivalent to `x` to the power of `y`.
/// because `x ** y = (e ** ln(x)) ** y = e ** (ln(x) * y)`.
function wpow(int256 x, int256 y) pure returns (int256) {
// Using `ln(x)` means `x` must be greater than 0.
return wexp((wln(x) * y) / int256(WAD));
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/cde0a5fb594da8655ba6bfcdc2e40a7c870c0cc0/src/utils/FixedPointMathLib.sol#L116
/// @dev Returns `exp(x)`, denominated in `WAD`.
function wexp(int256 x) pure returns (int256 r) {
unchecked {
// When the result is < 0.5 we return zero. This happens when
// x <= floor(log(0.5e18) * 1e18) ~ -42e18
if (x <= -42139678854452767551) return r;
/// @solidity memory-safe-assembly
assembly {
// When the result is > (2**255 - 1) / 1e18 we can not represent it as an
// int. This happens when x >= floor(log((2**255 - 1) / 1e18) * 1e18) ~ 135.
if iszero(slt(x, 135305999368893231589)) {
mstore(0x00, 0xa37bfec9) // `ExpOverflow()`.
revert(0x1c, 0x04)
}
}
// x is now in the range (-42, 136) * 1e18. Convert to (-42, 136) * 2**96
// for more intermediate precision and a binary basis. This base conversion
// is a multiplication by 1e18 / 2**96 = 5**18 / 2**78.
x = (x << 78) / 5 ** 18;
// Reduce range of x to (-½ ln 2, ½ ln 2) * 2**96 by factoring out powers
// of two such that exp(x) = exp(x') * 2**k, where k is an integer.
// Solving this gives k = round(x / log(2)) and x' = x - k * log(2).
int256 k = ((x << 96) / 54916777467707473351141471128 + 2 ** 95) >> 96;
x = x - k * 54916777467707473351141471128;
// k is in the range [-61, 195].
// Evaluate using a (6, 7)-term rational approximation.
// p is made monic, we'll multiply by a scale factor later.
int256 y = x + 1346386616545796478920950773328;
y = ((y * x) >> 96) + 57155421227552351082224309758442;
int256 p = y + x - 94201549194550492254356042504812;
p = ((p * y) >> 96) + 28719021644029726153956944680412240;
p = p * x + (4385272521454847904659076985693276 << 96);
// We leave p in 2**192 basis so we don't need to scale it back up for the division.
int256 q = x - 2855989394907223263936484059900;
q = ((q * x) >> 96) + 50020603652535783019961831881945;
q = ((q * x) >> 96) - 533845033583426703283633433725380;
q = ((q * x) >> 96) + 3604857256930695427073651918091429;
q = ((q * x) >> 96) - 14423608567350463180887372962807573;
q = ((q * x) >> 96) + 26449188498355588339934803723976023;
/// @solidity memory-safe-assembly
assembly {
// Div in assembly because solidity adds a zero check despite the unchecked.
// The q polynomial won't have zeros in the domain as all its roots are complex.
// No scaling is necessary because p is already 2**96 too large.
r := sdiv(p, q)
}
// r should be in the range (0.09, 0.25) * 2**96.
// We now need to multiply r by:
// * the scale factor s = ~6.031367120.
// * the 2**k factor from the range reduction.
// * the 1e18 / 2**96 factor for base conversion.
// We do this all at once, with an intermediate result in 2**213
// basis, so the final right shift is always by a positive amount.
r = int256(
(uint256(r) * 3822833074963236453042738258902158003155416615667) >>
uint256(195 - k)
);
}
}
/// @dev Taken from https://github.com/Vectorized/solady/blob/cde0a5fb594da8655ba6bfcdc2e40a7c870c0cc0/src/utils/FixedPointMathLib.sol#L184
/// @dev Returns `ln(x)`, denominated in `WAD`.
function wln(int256 x) pure returns (int256 r) {
unchecked {
/// @solidity memory-safe-assembly
assembly {
if iszero(sgt(x, 0)) {
mstore(0x00, 0x1615e638) // `LnWadUndefined()`.
revert(0x1c, 0x04)
}
}
// We want to convert x from 10**18 fixed point to 2**96 fixed point.
// We do this by multiplying by 2**96 / 10**18. But since
// ln(x * C) = ln(x) + ln(C), we can simply do nothing here
// and add ln(2**96 / 10**18) at the end.
// Compute k = log2(x) - 96, t = 159 - k = 255 - log2(x) = 255 ^ log2(x).
int256 t;
/// @solidity memory-safe-assembly
assembly {
t := shl(7, lt(0xffffffffffffffffffffffffffffffff, x))
t := or(t, shl(6, lt(0xffffffffffffffff, shr(t, x))))
t := or(t, shl(5, lt(0xffffffff, shr(t, x))))
t := or(t, shl(4, lt(0xffff, shr(t, x))))
t := or(t, shl(3, lt(0xff, shr(t, x))))
// forgefmt: disable-next-item
t := xor(
t,
byte(
and(
0x1f,
shr(shr(t, x), 0x8421084210842108cc6318c6db6d54be)
),
0xf8f9f9faf9fdfafbf9fdfcfdfafbfcfef9fafdfafcfcfbfefafafcfbffffffff
)
)
}
// Reduce range of x to (1, 2) * 2**96
// ln(2^k * x) = k * ln(2) + ln(x)
x = int256(uint256(x << uint256(t)) >> 159);
// Evaluate using a (8, 8)-term rational approximation.
// p is made monic, we will multiply by a scale factor later.
int256 p = x + 3273285459638523848632254066296;
p = ((p * x) >> 96) + 24828157081833163892658089445524;
p = ((p * x) >> 96) + 43456485725739037958740375743393;
p = ((p * x) >> 96) - 11111509109440967052023855526967;
p = ((p * x) >> 96) - 45023709667254063763336534515857;
p = ((p * x) >> 96) - 14706773417378608786704636184526;
p = p * x - (795164235651350426258249787498 << 96);
// We leave p in 2**192 basis so we don't need to scale it back up for the division.
// q is monic by convention.
int256 q = x + 5573035233440673466300451813936;
q = ((q * x) >> 96) + 71694874799317883764090561454958;
q = ((q * x) >> 96) + 283447036172924575727196451306956;
q = ((q * x) >> 96) + 401686690394027663651624208769553;
q = ((q * x) >> 96) + 204048457590392012362485061816622;
q = ((q * x) >> 96) + 31853899698501571402653359427138;
q = ((q * x) >> 96) + 909429971244387300277376558375;
/// @solidity memory-safe-assembly
assembly {
// Div in assembly because solidity adds a zero check despite the unchecked.
// The q polynomial is known not to have zeros in the domain.
// No scaling required because p is already 2**96 too large.
r := sdiv(p, q)
}
// r is in the range (0, 0.125) * 2**96
// Finalization, we need to:
// * multiply by the scale factor s = 5.549…
// * add ln(2**96 / 10**18)
// * add k * ln(2)
// * multiply by 10**18 / 2**96 = 5**18 >> 78
// mul s * 5e18 * 2**96, base is now 5**18 * 2**192
r *= 1677202110996718588342820967067443963516166;
// add ln(2) * k * 5e18 * 2**192
r +=
16597577552685614221487285958193947469193820559219878177908093499208371 *
(159 - t);
// add ln(2**96 / 10**18) * 5e18 * 2**192
r += 600920179829731861736702779321621459595472258049074101567377883020018308;
// base conversion: mul 2**18 / 2**192
r >>= 174;
}
}
/// @dev Returns the square root of `x`, rounded down.
function sqrt(uint256 x) pure returns (uint256 z) {
/// @solidity memory-safe-assembly
assembly {
// `floor(sqrt(2**15)) = 181`. `sqrt(2**15) - 181 = 2.84`.
z := 181 // The "correct" value is 1, but this saves a multiplication later.
// This segment is to get a reasonable initial estimate for the Babylonian method. With a bad
// start, the correct # of bits increases ~linearly each iteration instead of ~quadratically.
// Let `y = x / 2**r`. We check `y >= 2**(k + 8)`
// but shift right by `k` bits to ensure that if `x >= 256`, then `y >= 256`.
let r := shl(7, lt(0xffffffffffffffffffffffffffffffffff, x))
r := or(r, shl(6, lt(0xffffffffffffffffff, shr(r, x))))
r := or(r, shl(5, lt(0xffffffffff, shr(r, x))))
r := or(r, shl(4, lt(0xffffff, shr(r, x))))
z := shl(shr(1, r), z)
// Goal was to get `z*z*y` within a small factor of `x`. More iterations could
// get y in a tighter range. Currently, we will have y in `[256, 256*(2**16))`.
// We ensured `y >= 256` so that the relative difference between `y` and `y+1` is small.
// That's not possible if `x < 256` but we can just verify those cases exhaustively.
// Now, `z*z*y <= x < z*z*(y+1)`, and `y <= 2**(16+8)`, and either `y >= 256`, or `x < 256`.
// Correctness can be checked exhaustively for `x < 256`, so we assume `y >= 256`.
// Then `z*sqrt(y)` is within `sqrt(257)/sqrt(256)` of `sqrt(x)`, or about 20bps.
// For `s` in the range `[1/256, 256]`, the estimate `f(s) = (181/1024) * (s+1)`
// is in the range `(1/2.84 * sqrt(s), 2.84 * sqrt(s))`,
// with largest error when `s = 1` and when `s = 256` or `1/256`.
// Since `y` is in `[256, 256*(2**16))`, let `a = y/65536`, so that `a` is in `[1/256, 256)`.
// Then we can estimate `sqrt(y)` using
// `sqrt(65536) * 181/1024 * (a + 1) = 181/4 * (y + 65536)/65536 = 181 * (y + 65536)/2**18`.
// There is no overflow risk here since `y < 2**136` after the first branch above.
z := shr(18, mul(z, add(shr(r, x), 65536))) // A `mul()` is saved from starting `z` at 181.
// Given the worst case multiplicative error of 2.84 above, 7 iterations should be enough.
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
z := shr(1, add(z, div(x, z)))
// If `x+1` is a perfect square, the Babylonian method cycles between
// `floor(sqrt(x))` and `ceil(sqrt(x))`. This statement ensures we return floor.
// See: https://en.wikipedia.org/wiki/Integer_square_root#Using_only_integer_division
z := sub(z, lt(div(x, z), z))
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
import {Address} from "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 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 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*
* NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
* only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
* set here.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(
IERC1363 token,
address from,
address to,
uint256 value,
bytes memory data
) internal {
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @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).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @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).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
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 value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` 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 value) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1363.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)
pragma solidity ^0.8.20;
import {Errors} from "./Errors.sol";
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert Errors.InsufficientBalance(address(this).balance, amount);
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert Errors.FailedCall();
}
}
/**
* @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 or custom error, it is bubbled
* up by this function (like regular Solidity function calls). However, if
* the call reverted with no returned reason, this function reverts with a
* {Errors.FailedCall} error.
*
* 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.
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
/**
* @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`.
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert Errors.InsufficientBalance(address(this).balance, value);
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
* was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case
* of an unsuccessful call.
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
// only check if target is a contract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
/**
* @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
* revert reason or with a default {Errors.FailedCall} error.
*/
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
/**
* @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}.
*/
function _revert(bytes memory returndata) 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
assembly ("memory-safe") {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert Errors.FailedCall();
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../utils/introspection/IERC165.sol";// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @dev Collection of common custom errors used in multiple contracts
*
* IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
* It is recommended to avoid relying on the error API for critical functionality.
*
* _Available since v5.1._
*/
library Errors {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error InsufficientBalance(uint256 balance, uint256 needed);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedCall();
/**
* @dev The deployment failed.
*/
error FailedDeployment();
/**
* @dev A necessary precompile is missing.
*/
error MissingPrecompile(address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}{
"remappings": [
"@openzeppelin/=lib/openzeppelin-contracts/",
"@uniswap/v3-core/=lib/v3-core/",
"@uniswap/v3-periphery/=lib/v3-periphery/",
"@utils/=src/utils/",
"@libs/=src/libs/",
"@const/=src/const/",
"@core/=src/",
"@interfaces/=src/interfaces/",
"@actions/=src/actions/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
"forge-std/=lib/forge-std/src/",
"halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/",
"v3-core/=lib/v3-core/contracts/",
"v3-periphery/=lib/v3-periphery/contracts/"
],
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "cancun",
"viaIR": false,
"libraries": {
"src/utils/Time.sol": {
"Time": "0x65fdfdFb5f6571ED828F9D1e869F2695f45CD1c3"
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"_auction","type":"address"},{"internalType":"address","name":"_vyper","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"VyperBoostTreasury__OnlyAuction","type":"error"},{"inputs":[],"name":"DISTRIBUTION","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"auction","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"emitForAuction","outputs":[{"internalType":"uint256","name":"emitted","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vyper","outputs":[{"internalType":"contract IVyper","name":"","type":"address"}],"stateMutability":"view","type":"function"}]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)
0000000000000000000000004d994f53fe2d8bdbbf64dc2e53c58df00b84e713000000000000000000000000d7fa4cfc22ea07dfced53033fbe59d8b62b8ee9e
-----Decoded View---------------
Arg [0] : _auction (address): 0x4D994F53FE2d8BdBbF64dC2e53C58Df00b84e713
Arg [1] : _vyper (address): 0xd7fa4cFC22eA07DfCeD53033fbE59d8b62B8Ee9E
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000004d994f53fe2d8bdbbf64dc2e53c58df00b84e713
Arg [1] : 000000000000000000000000d7fa4cfc22ea07dfced53033fbe59d8b62b8ee9e
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Net Worth in USD
$0.44
Net Worth in ETH
0.000209
Token Allocations
VYPER
100.00%
Multichain Portfolio | 33 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
|---|---|---|---|---|---|
| ETH | 100.00% | $0.000086 | 5,088.1329 | $0.4363 |
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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.