Description:
Proxy contract enabling upgradeable smart contract patterns. Delegates calls to an implementation contract.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"adaptor/PmmAdaptor.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";
interface IPMMProtocol {
struct OrderRFQ {
uint256 rfqId; // 0x00
uint256 expiry; // 0x20
address makerAsset; // 0x40
address takerAsset; // 0x60
address makerAddress; // 0x80
uint256 makerAmount; // 0xa0
uint256 takerAmount; // 0xc0
bool usePermit2; // 0xe0;
}
function fillOrderRFQTo(
OrderRFQ memory order,
bytes calldata signature,
uint256 flagsAndAmount,
address target
) external returns (uint256, uint256, bytes32);
function cancelOrderRFQ(uint64 rfqId) external;
}
contract PMMAdaptor {
using Strings for uint256;
uint256 internal constant ORIGIN_PAYER =
0x3ca20afc2ccc0000000000000000000000000000000000000000000000000000;
uint256 constant ADDRESS_MASK =
0x000000000000000000000000ffffffffffffffffffffffffffffffffffffffff;
enum SignatureType {
EIP712,
EIP1271
}
constructor() {}
function _PmmSwap(
address to,
address pool,
bytes memory moreInfo,
uint256 payerOrigin
) internal {
(
IPMMProtocol.OrderRFQ memory order,
bytes memory signature,
uint256 signatureType
) = abi.decode(moreInfo, (IPMMProtocol.OrderRFQ, bytes, uint256));
uint256 amount = IERC20(order.takerAsset).balanceOf(address(this));
if (amount > order.takerAmount) {
// The surplus will be returned back to the payer in the end
amount = order.takerAmount;
}
require(amount > 0, "Zero balance of PMM adapter");
SafeERC20.safeApprove(IERC20(order.takerAsset), pool, amount);
uint256 flagsAndAmount = (
signatureType == uint256(SignatureType.EIP1271) ? 1 << 254 : 0
) + amount;
// IPMMProtocol(pool).fillOrderRFQTo(order, signature, flagsAndAmount, to);
_call(
pool,
abi.encodeWithSelector(
IPMMProtocol.fillOrderRFQTo.selector,
order,
signature,
flagsAndAmount,
to
),
order.rfqId
);
address _payerOrigin;
if ((payerOrigin & ORIGIN_PAYER) == ORIGIN_PAYER) {
_payerOrigin = address(
uint160(uint256(payerOrigin) & ADDRESS_MASK)
);
}
uint256 amountLeft = IERC20(order.takerAsset).balanceOf(address(this));
if (amountLeft > 0 && _payerOrigin != address(0)) {
SafeERC20.safeTransfer(
IERC20(order.takerAsset),
_payerOrigin,
amountLeft
);
}
}
function sellBase(
address to,
address pool,
bytes memory moreInfo
) external {
uint256 payerOrigin;
assembly {
let size := calldatasize()
payerOrigin := calldataload(sub(size, 32))
}
_PmmSwap(to, pool, moreInfo, payerOrigin);
}
function sellQuote(
address to,
address pool,
bytes memory moreInfo
) external {
uint256 payerOrigin;
assembly {
let size := calldatasize()
payerOrigin := calldataload(sub(size, 32))
}
_PmmSwap(to, pool, moreInfo, payerOrigin);
}
function _call(address target, bytes memory data, uint256 rfqId) internal {
(bool success, bytes memory result) = target.call(data);
if (success) {
return;
}
if (result.length < 4) {
// revert("RFQ: Unknown error");
revert(
string(
abi.encodePacked("RFQ: Unknown error ", rfqId.toString())
)
);
}
bytes4 selector;
assembly {
selector := mload(add(result, 0x20))
}
// All cases tested
if (selector == 0x7d0bdf81) {
// RFQ_InvalidMsgValue(uint256 rfqId);
revert(
string(
abi.encodePacked("RFQ_InvalidMsgValue ", rfqId.toString())
)
);
} else if (selector == 0x1952c5f3) {
// RFQ_ETHTransferFailed(uint256 rfqId);
revert(
string(
abi.encodePacked("RFQ_ETHTransferFailed ", rfqId.toString())
)
);
} else if (selector == 0x8fde5c60) {
// RFQ_ZeroTargetIsForbidden(uint256 rfqId);
revert(
string(
abi.encodePacked(
"RFQ_ZeroTargetIsForbidden ",
rfqId.toString()
)
)
);
} else if (selector == 0x87a26f41) {
// RFQ_BadSignature(uint256 rfqId);
revert(
string(abi.encodePacked("RFQ_BadSignature ", rfqId.toString()))
);
} else if (selector == 0x84935d57) {
// RFQ_OrderExpired(uint256 rfqId);
revert(
string(abi.encodePacked("RFQ_OrderExpired ", rfqId.toString()))
);
} else if (selector == 0x48872c38) {
// RFQ_MakerAmountExceeded(uint256 rfqId);
revert(
string(
abi.encodePacked(
"RFQ_MakerAmountExceeded ",
rfqId.toString()
)
)
);
} else if (selector == 0x51c6158e) {
// RFQ_TakerAmountExceeded(uint256 rfqId);
revert(
string(
abi.encodePacked(
"RFQ_TakerAmountExceeded ",
rfqId.toString()
)
)
);
} else if (selector == 0x94d42471) {
// RFQ_SwapWithZeroAmount(uint256 rfqId);
revert(
string(
abi.encodePacked(
"RFQ_SwapWithZeroAmount ",
rfqId.toString()
)
)
);
} else if (selector == 0x6fe432b3) {
// RFQ_InvalidatedOrder(uint256 rfqId);
revert(
string(
abi.encodePacked("RFQ_InvalidatedOrder ", rfqId.toString())
)
);
} else if (selector == 0xf4a08977) {
// RFQ_EthDepositRejected()
// Won't be triggerred here unless `data` is empty
revert("RFQ_EthDepositRejected");
} else if (selector == 0xf4059071) {
// SafeTransferFromFailed()
revert(
string(
abi.encodePacked(
"RFQ_SafeTransferFromFailed ",
rfqId.toString()
)
)
);
} else if (selector == 0x8112e119) {
// Permit2TransferAmountTooHigh()
revert(
string(
abi.encodePacked(
"RFQ_Permit2TransferAmountTooHigh ",
rfqId.toString()
)
)
);
} else if (selector == 0xfb7f5079) {
// SafeTransferFailed()
revert(
string(
abi.encodePacked(
"RFQ_SafeTransferFailed ",
rfqId.toString()
)
)
);
} else if (selector == 0x19be9a90) {
// ForceApproveFailed()
revert(
string(
abi.encodePacked(
"RFQ_ForceApproveFailed ",
rfqId.toString()
)
)
);
} else if (selector == 0x8216cd1c) {
// SafeIncreaseAllowanceFailed()
revert(
string(
abi.encodePacked(
"RFQ_SafeIncreaseAllowanceFailed ",
rfqId.toString()
)
)
);
} else if (selector == 0x840bdf26) {
// SafeDecreaseAllowanceFailed()
revert(
string(
abi.encodePacked(
"RFQ_SafeDecreaseAllowanceFailed ",
rfqId.toString()
)
)
);
} else if (selector == 0x68275857) {
// SafePermitBadLength()
revert(
string(
abi.encodePacked(
"RFQ_SafePermitBadLength ",
rfqId.toString()
)
)
);
} else if (selector == 0xc6f643b2) {
// RFQ_AmountTooLarge(uint256 rfqId);
revert(
string(
abi.encodePacked("RFQ_AmountTooLarge ", rfqId.toString())
)
);
} else if (selector == 0xa1475d7b) {
// RFQ_SettlementAmountTooSmall(uint256 rfqId);
revert(
string(
abi.encodePacked(
"RFQ_SettlementAmountTooSmall ",
rfqId.toString()
)
)
);
} else {
revert(string(abi.encodePacked("RFQ_Failed ", rfqId.toString())));
}
}
}"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
/**
* @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);
}
"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(
IERC20 token,
address spender,
uint256 value
) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
"
},
"lib/openzeppelin-contracts/contracts/utils/Strings.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
"
},
"lib/openzeppelin-contracts/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// 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 {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
"
}
},
"settings": {
"remappings": [
"forge-std/=lib/forge-std/src/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
"erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
"halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
"openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/"
],
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs"
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "london",
"viaIR": true
}
}}
Submitted on: 2025-09-19 12:45:36
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