Description:
Decentralized Finance (DeFi) protocol contract providing Swap, Factory, Oracle functionality.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"contracts/8/adapter/MaverickV2Adapter.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../interfaces/IAdapter.sol";
import "../interfaces/IMaverickV2.sol";
import "../interfaces/IERC20.sol";
import "../libraries/SafeERC20.sol";
import "../libraries/TickMath.sol";
/// @title UniV3Adapter
/// @notice Explain to an end user what this does
/// @dev Explain to a developer any extra details
contract MaverickV2Adapter is IAdapter {
function _maverickV2Swap(address to, address pool, bytes memory data) internal {
(address fromToken, address toToken) = abi.decode(data, (address, address));
// zeroForOne is true, then fromToken < toToken, fromToken is TokenA, tokenAIn is true
// zeroForOne is fale, then fromToken > toToken, fromToken is not TokenA, tokenAIn is false
bool zeroForOne = fromToken < toToken;
uint256 sellAmount = IERC20(fromToken).balanceOf(address(this));
address accessor = IPool(pool).accessor();
if (accessor == address(0)) {
IPool.SwapParams memory params = IPool.SwapParams({
amount: sellAmount,
tokenAIn: zeroForOne,
exactOutput: false,
tickLimit: zeroForOne ? type(int32).max : type(int32).min
});
SafeERC20.safeTransfer(IERC20(fromToken), pool, sellAmount);
IPool(pool).swap(
to,
params,
""
);
} else {
SafeERC20.safeApprove(IERC20(fromToken), accessor, sellAmount);
if (ISwapper(accessor).quoteToFactory(fromToken) == address(0)) {
// Selling base token (fromToken) for quote token (toToken)
ISwapper(accessor).sellToken(to, IERC20(fromToken), sellAmount, 0, address(0));
} else {
// Buying base token (toToken) with quote token (fromToken)
ISwapper(accessor).buyToken(to, IERC20(toToken), sellAmount, 0, address(0));
}
}
uint256 remaining = IERC20(fromToken).balanceOf(address(this));
if (remaining > 0) {
SafeERC20.safeTransfer(IERC20(fromToken), to, remaining);
}
}
function sellBase(address to, address pool, bytes memory moreInfo) external override {
_maverickV2Swap(to, pool, moreInfo);
}
function sellQuote(address to, address pool, bytes memory moreInfo) external override {
_maverickV2Swap(to, pool, moreInfo);
}
}"
},
"contracts/8/interfaces/IAdapter.sol": {
"content": "/// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
pragma abicoder v2;
interface IAdapter {
function sellBase(
address to,
address pool,
bytes memory data
) external;
function sellQuote(
address to,
address pool,
bytes memory data
) external;
}
"
},
"contracts/8/interfaces/IMaverickV2.sol": {
"content": "// SPDX-License-Identifier: MIT
// https://github.com/maverickprotocol/maverick-v2-examples/blob/main/solidity/src/interfaces/IMaverickV2Pool.sol
pragma solidity ^0.8.0;
import "../interfaces/IERC20.sol";
interface IPool {
/**
* @notice Parameters for swap.
* @param amount Amount of the token that is either the input if exactOutput is false
* or the output if exactOutput is true.
* @param tokenAIn Boolean indicating whether tokenA is the input.
* @param exactOutput Boolean indicating whether the amount specified is
* the exact output amount (true).
* @param tickLimit The furthest tick a swap will execute in. If no limit
* is desired, value should be set to type(int32).max for a tokenAIn swap
* and type(int32).min for a swap where tokenB is the input.
*/
struct SwapParams {
uint256 amount;
bool tokenAIn;
bool exactOutput;
int32 tickLimit;
}
/**
* @notice Swap tokenA/tokenB assets in the pool. The swap user has two
* options for funding their swap.
* - The user can push the input token amount to the pool before calling
* the swap function. In order to avoid having the pool call the callback,
* the user should pass a zero-length `data` bytes object with the swap
* call.
* - The user can send the input token amount to the pool when the pool
* calls the `maverickV2SwapCallback` function on the calling contract.
* That callback has input parameters that specify the token address of the
* input token, the input and output amounts, and the bytes data sent to
* the swap function.
* @dev If the users elects to do a callback-based swap, the output
* assets will be sent before the callback is called, allowing the user to
* execute flash swaps. However, the pool does have reentrancy protection,
* so a swapper will not be able to interact with the same pool again
* while they are in the callback function.
* @param recipient The address to receive the output tokens.
* @param params Parameters containing the details of the swap
* @param data Bytes information that gets passed to the callback.
*/
function swap(
address recipient,
SwapParams memory params,
bytes calldata data
) external returns (uint256 amountIn, uint256 amountOut);
function accessor() external view returns (address);
}
interface ISwapper {
/**
* @notice Buys tokens using quote token. Credits msg.sender with the buy volume on the tracker token.
* @param recipient The address to receive the purchased tokens
* @param token The ERC20 token to buy
* @param amountQuoteIn The amount of quote to spend
* @param amountOutMinimum The minimum amount of tokens to receive
* @param referer The address of the referrer (adddress(0) should be used if there is no referer)
* @return amountOut The actual amount of tokens received
* @return pool The Maverick V2 pool used for the swap
*/
function buyToken(
address recipient,
IERC20 token,
uint256 amountQuoteIn,
uint256 amountOutMinimum,
address referer
) external payable returns (uint256 amountOut, IPool pool);
/**
* @notice Sells tokens for quote token. Credits msg.sender with the sell volume on the tracker token.
* @param recipient The address to receive the ETH
* @param token The ERC20 token to sell
* @param amountTokenIn The amount of tokens to sell
* @param amountOutMinimum The minimum amount of ETH to receive
* @param referer The address of the referrer (adddress(0) should be used if there is no referer)
* @return amountOut The actual amount of ETH received
* @return pool The Maverick V2 pool used for the swap
*/
function sellToken(
address recipient,
IERC20 token,
uint256 amountTokenIn,
uint256 amountOutMinimum,
address referer
) external returns (uint256 amountOut, IPool pool);
function quoteToFactory(address token) external view returns (address factory);
}
interface ILaunchToken {
/**
* @notice Returns the hash of the token metadata.
*/
function getLaunchFactory() external view returns (address factory);
}
interface IFactory {
/**
* @notice Gets the quote contract address
*/
function quoteToken() external view returns (address quoteToken);
}"
},
"contracts/8/interfaces/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IERC20 {
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
}
"
},
"contracts/8/libraries/SafeERC20.sol": {
"content": "/// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./SafeMath.sol";
import "./Address.sol";
import "./RevertReasonForwarder.sol";
import "../interfaces/IERC20.sol";
import "../interfaces/IERC20Permit.sol";
import "../interfaces/IDaiLikePermit.sol";
// File @1inch/solidity-utils/contracts/libraries/SafeERC20.sol@v2.1.1
library SafeERC20 {
error SafeTransferFailed();
error SafeTransferFromFailed();
error ForceApproveFailed();
error SafeIncreaseAllowanceFailed();
error SafeDecreaseAllowanceFailed();
error SafePermitBadLength();
// Ensures method do not revert or return boolean `true`, admits call to non-smart-contract
function safeTransferFrom(IERC20 token, address from, address to, uint256 amount) internal {
bytes4 selector = token.transferFrom.selector;
bool success;
/// @solidity memory-safe-assembly
assembly { // solhint-disable-line no-inline-assembly
let data := mload(0x40)
mstore(data, selector)
mstore(add(data, 0x04), from)
mstore(add(data, 0x24), to)
mstore(add(data, 0x44), amount)
success := call(gas(), token, 0, data, 100, 0x0, 0x20)
if success {
switch returndatasize()
case 0 { success := gt(extcodesize(token), 0) }
default { success := and(gt(returndatasize(), 31), eq(mload(0), 1)) }
}
}
if (!success) revert SafeTransferFromFailed();
}
// Ensures method do not revert or return boolean `true`, admits call to non-smart-contract
function safeTransfer(IERC20 token, address to, uint256 value) internal {
if (!_makeCall(token, token.transfer.selector, to, value)) {
revert SafeTransferFailed();
}
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
forceApprove(token, spender, value);
}
// If `approve(from, to, amount)` fails, try to `approve(from, to, 0)` before retry
function forceApprove(IERC20 token, address spender, uint256 value) internal {
if (!_makeCall(token, token.approve.selector, spender, value)) {
if (!_makeCall(token, token.approve.selector, spender, 0) ||
!_makeCall(token, token.approve.selector, spender, value))
{
revert ForceApproveFailed();
}
}
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 allowance = token.allowance(address(this), spender);
if (value > type(uint256).max - allowance) revert SafeIncreaseAllowanceFailed();
forceApprove(token, spender, allowance + value);
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 allowance = token.allowance(address(this), spender);
if (value > allowance) revert SafeDecreaseAllowanceFailed();
forceApprove(token, spender, allowance - value);
}
function safePermit(IERC20 token, bytes calldata permit) internal {
bool success;
if (permit.length == 32 * 7) {
success = _makeCalldataCall(token, IERC20Permit.permit.selector, permit);
} else if (permit.length == 32 * 8) {
success = _makeCalldataCall(token, IDaiLikePermit.permit.selector, permit);
} else {
revert SafePermitBadLength();
}
if (!success) RevertReasonForwarder.reRevert();
}
function _makeCall(IERC20 token, bytes4 selector, address to, uint256 amount) private returns(bool success) {
/// @solidity memory-safe-assembly
assembly { // solhint-disable-line no-inline-assembly
let data := mload(0x40)
mstore(data, selector)
mstore(add(data, 0x04), to)
mstore(add(data, 0x24), amount)
success := call(gas(), token, 0, data, 0x44, 0x0, 0x20)
if success {
switch returndatasize()
case 0 { success := gt(extcodesize(token), 0) }
default { success := and(gt(returndatasize(), 31), eq(mload(0), 1)) }
}
}
}
function _makeCalldataCall(IERC20 token, bytes4 selector, bytes calldata args) private returns(bool success) {
/// @solidity memory-safe-assembly
assembly { // solhint-disable-line no-inline-assembly
let len := add(4, args.length)
let data := mload(0x40)
mstore(data, selector)
calldatacopy(add(data, 0x04), args.offset, args.length)
success := call(gas(), token, 0, data, len, 0x0, 0x20)
if success {
switch returndatasize()
case 0 { success := gt(extcodesize(token), 0) }
default { success := and(gt(returndatasize(), 31), eq(mload(0), 1)) }
}
}
}
}
"
},
"contracts/8/libraries/TickMath.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title Math library for computing sqrt prices from ticks and vice versa
/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports
/// prices between 2**-128 and 2**128
library TickMath {
/// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128
int24 internal constant MIN_TICK = -887272;
/// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128
int24 internal constant MAX_TICK = -MIN_TICK;
/// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK)
uint160 internal constant MIN_SQRT_RATIO = 4295128739;
/// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK)
uint160 internal constant MAX_SQRT_RATIO =
1461446703485210103287273052203988822378723970342;
/// @notice Calculates sqrt(1.0001^tick) * 2^96
/// @dev Throws if |tick| > max tick
/// @param tick The input tick for the above formula
/// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0)
/// at the given tick
function getSqrtRatioAtTick(int24 tick)
internal
pure
returns (uint160 sqrtPriceX96)
{
uint256 absTick = tick < 0
? uint256(-int256(tick))
: uint256(int256(tick));
require(absTick <= uint256(uint24(MAX_TICK)), "T");
uint256 ratio = absTick & 0x1 != 0
? 0xfffcb933bd6fad37aa2d162d1a594001
: 0x100000000000000000000000000000000;
if (absTick & 0x2 != 0)
ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128;
if (absTick & 0x4 != 0)
ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128;
if (absTick & 0x8 != 0)
ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128;
if (absTick & 0x10 != 0)
ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128;
if (absTick & 0x20 != 0)
ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128;
if (absTick & 0x40 != 0)
ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128;
if (absTick & 0x80 != 0)
ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128;
if (absTick & 0x100 != 0)
ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128;
if (absTick & 0x200 != 0)
ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128;
if (absTick & 0x400 != 0)
ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128;
if (absTick & 0x800 != 0)
ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128;
if (absTick & 0x1000 != 0)
ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128;
if (absTick & 0x2000 != 0)
ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128;
if (absTick & 0x4000 != 0)
ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128;
if (absTick & 0x8000 != 0)
ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128;
if (absTick & 0x10000 != 0)
ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128;
if (absTick & 0x20000 != 0)
ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128;
if (absTick & 0x40000 != 0)
ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128;
if (absTick & 0x80000 != 0)
ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128;
if (tick > 0) ratio = type(uint256).max / ratio;
// this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96.
// we then downcast because we know the result always fits within 160 bits due to our tick input constraint
// we round up in the division so getTickAtSqrtRatio of the output price is always consistent
sqrtPriceX96 = uint160(
(ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1)
);
}
/// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio
/// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may
/// ever return.
/// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96
/// @return tick The greatest tick for which the ratio is less than or equal to the input ratio
function getTickAtSqrtRatio(uint160 sqrtPriceX96)
internal
pure
returns (int24 tick)
{
// second inequality must be < because the price can never reach the price at the max tick
require(
sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO,
"R"
);
uint256 ratio = uint256(sqrtPriceX96) << 32;
uint256 r = ratio;
uint256 msb = 0;
assembly {
let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(5, gt(r, 0xFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(4, gt(r, 0xFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(3, gt(r, 0xFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(2, gt(r, 0xF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(1, gt(r, 0x3))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := gt(r, 0x1)
msb := or(msb, f)
}
if (msb >= 128) r = ratio >> (msb - 127);
else r = ratio << (127 - msb);
int256 log_2 = (int256(msb) - 128) << 64;
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(63, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(62, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(61, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(60, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(59, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(58, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(57, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(56, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(55, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(54, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(53, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(52, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(51, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(50, f))
}
int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number
int24 tickLow = int24(
(log_sqrt10001 - 3402992956809132418596140100660247210) >> 128
);
int24 tickHi = int24(
(log_sqrt10001 + 291339464771989622907027621153398088495) >> 128
);
tick = tickLow == tickHi
? tickLow
: getSqrtRatioAtTick(tickHi) <= sqrtPriceX96
? tickHi
: tickLow;
}
}
"
},
"contracts/8/libraries/SafeMath.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library SafeMath {
uint256 constant WAD = 10**18;
uint256 constant RAY = 10**27;
function wad() public pure returns (uint256) {
return WAD;
}
function ray() public pure returns (uint256) {
return RAY;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a <= b ? a : b;
}
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
function sqrt(uint256 a) internal pure returns (uint256 b) {
if (a > 3) {
b = a;
uint256 x = a / 2 + 1;
while (x < b) {
b = x;
x = (a / x + x) / 2;
}
} else if (a != 0) {
b = 1;
}
}
function wmul(uint256 a, uint256 b) internal pure returns (uint256) {
return mul(a, b) / WAD;
}
function wmulRound(uint256 a, uint256 b) internal pure returns (uint256) {
return add(mul(a, b), WAD / 2) / WAD;
}
function rmul(uint256 a, uint256 b) internal pure returns (uint256) {
return mul(a, b) / RAY;
}
function rmulRound(uint256 a, uint256 b) internal pure returns (uint256) {
return add(mul(a, b), RAY / 2) / RAY;
}
function wdiv(uint256 a, uint256 b) internal pure returns (uint256) {
return div(mul(a, WAD), b);
}
function wdivRound(uint256 a, uint256 b) internal pure returns (uint256) {
return add(mul(a, WAD), b / 2) / b;
}
function rdiv(uint256 a, uint256 b) internal pure returns (uint256) {
return div(mul(a, RAY), b);
}
function rdivRound(uint256 a, uint256 b) internal pure returns (uint256) {
return add(mul(a, RAY), b / 2) / b;
}
function wpow(uint256 x, uint256 n) internal pure returns (uint256) {
uint256 result = WAD;
while (n > 0) {
if (n % 2 != 0) {
result = wmul(result, x);
}
x = wmul(x, x);
n /= 2;
}
return result;
}
function rpow(uint256 x, uint256 n) internal pure returns (uint256) {
uint256 result = RAY;
while (n > 0) {
if (n % 2 != 0) {
result = rmul(result, x);
}
x = rmul(x, x);
n /= 2;
}
return result;
}
function divCeil(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 quotient = div(a, b);
uint256 remainder = a - quotient * b;
if (remainder > 0) {
return quotient + 1;
} else {
return quotient;
}
}
}
"
},
"contracts/8/libraries/Address.sol": {
"content": "/// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly {
codehash := extcodehash(account)
}
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Converts an `address` into `address payable`. Note that this is
* simply a type cast: the actual underlying value is not changed.
*
* _Available since v2.4.0._
*/
function toPayable(address account)
internal
pure
returns (address payable)
{
return payable(account);
}
/**
* @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].
*
* _Available since v2.4.0._
*/
function sendValue(address recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);
// solhint-disable-next-line avoid-call-value
(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}
}
"
},
"contracts/8/libraries/RevertReasonForwarder.sol": {
"content": "/// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library RevertReasonForwarder {
function reRevert() internal pure {
// bubble up revert reason from latest external call
/// @solidity memory-safe-assembly
assembly { // solhint-disable-line no-inline-assembly
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
}
}"
},
"contracts/8/interfaces/IERC20Permit.sol": {
"content": "// SPDX-License-Identifier: MIT
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);
}
"
},
"contracts/8/interfaces/IDaiLikePermit.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title Interface for DAI-style permits
interface IDaiLikePermit {
function permit(
address holder,
address spender,
uint256 nonce,
uint256 expiry,
bool allowed,
uint8 v,
bytes32 r,
bytes32 s
) external;
}
"
}
},
"settings": {
"remappings": [
"@ensdomains/=node_modules/@ensdomains/",
"@openzeppelin/=node_modules/@openzeppelin/",
"ds-test/=lib/forge-std/lib/ds-test/src/",
"eth-gas-reporter/=node_modules/eth-gas-reporter/",
"forge-std/=lib/forge-std/src/",
"hardhat/=node_modules/hardhat/",
"@dex/=contracts/8/",
"@1inch/=node_modules/@1inch/",
"@chainlink/=node_modules/@chainlink/",
"@eth-optimism/=node_modules/@eth-optimism/",
"erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
"halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/"
],
"optimizer": {
"enabled": true,
"runs": 1
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "cancun",
"viaIR": false
}
}}
Submitted on: 2025-11-07 13:19:01
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