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$157,613.00 (@ $2,990.38/ETH)Token Holdings
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- ERC-20 Tokens (19)17.32996072 PAXGPaxos Gold (PAXG)$39,727.20@2,292.404,163.27302772 LINKChainLink To... (LINK)$56,620.51@13.6023,011.056272 USDTTether USD (USDT)$23,011.06@1.0052,385.979463 USDCUSDC (USDC)$52,379.54@0.9999801 Claim rewards at https://cnlink.eu$ cnLink.eu (Claim ...)1.4 TokenERC-20 TOKEN*[Suspicious]1.7 TokenERC-20 TOKEN*[Suspicious]1.4 TokenERC-20 TOKEN*[Suspicious]3,999.99 TokenERC-20 TOKEN*[Suspicious]9,000 TokenERC-20 TOKEN*[Suspicious]245.44 TokenERC-20 TOKEN*[Suspicious]350 TokenERC-20 TOKEN*[Suspicious]1.4 TokenERC-20 TOKEN*[Spam]1.4 TokenERC-20 TOKEN*[Spam]3,999.99 TokenERC-20 TOKEN*[Spam]1,042,875 TokenERC-20 TOKEN*[Spam]7,000 TokenERC-20 TOKEN*[Spam]1,049 TokenERC-20 TOKEN*[Spam]3,999.99 TokenERC-20 TOKEN*[Spam]NFT Tokens (19)AirdropearnETH.netERC-1155Airdropget-link.ioERC-1155AirdropLiquidETH.netERC-1155Airdroppaxos.giftERC-1155Reward Club [M0Ul6qMA]Reward Club [uh7X7YY2]ERC-1155ERC-1155 TOKEN*[Suspicious]ERC-1155 TOKEN*[Suspicious]ERC-1155 TOKEN*[Suspicious]ERC-1155 TOKEN*[Suspicious]ERC-1155 TOKEN*[Suspicious]ERC-1155 TOKEN*[Suspicious]
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Transaction Hash MethodBlockFromToValue 0x9389561dcf78dbdf9402829cfc9104d47266ff9a1e113c7c3b9c2365c3905683 Send Multi Sig T... (pending) 2024-05-02 23:31:58 22 mins ago 1714692718 IN 0 ETH (Pending) (Pending) 0x3a02030eec32e59df6eb3a6dda2980f3d4b7c61314f50c62355219214061c2f5 Send Multi Sig (pending) 2024-05-02 23:25:59 28 mins ago 1714692359 IN 0 ETH (Pending) (Pending) 0xa1fabfd22fe8bd4c51706f540cc4879adda3064a549dacf50d1feba2a9732c3a Send Multi Sig (pending) 2024-05-02 23:11:01 43 mins ago 1714691461 IN 0 ETH (Pending) (Pending) 0xd44c0ebaed7be9b3e518a3fd3604c673566e8c8fdf1d29f57982cc656378009a Send Multi Sig T... (pending) 2024-05-02 22:57:25 56 mins ago 1714690645 IN 0 ETH (Pending) (Pending) 0xe1df4e860a5de658fb444554ec6fb8466e19ad56d20b6589e5ab1e5fabb4bb25 Send Multi Sig (pending) 2024-05-02 22:51:33 1 hr ago 1714690293 IN 0 ETH (Pending) (Pending) Send Multi Sig T... 19785729 2024-05-02 23:31:59 22 mins ago 1714692719 IN 0 ETH 0.00065086 5.92230845 Send Multi Sig 19785699 2024-05-02 23:25:59 28 mins ago 1714692359 IN 0 ETH 0.00057911 7.40835423 Send Multi Sig 19785625 2024-05-02 23:11:11 42 mins ago 1714691471 IN 0 ETH 0.00034528 4.41531643 Send Multi Sig T... 19785556 2024-05-02 22:57:23 56 mins ago 1714690643 IN 0 ETH 0.00070132 6.33648587 Send Multi Sig 19785528 2024-05-02 22:51:35 1 hr ago 1714690295 IN 0 ETH 0.00035487 4.53833212 Send Multi Sig T... 19785479 2024-05-02 22:41:47 1 hr ago 1714689707 IN 0 ETH 0.00060748 5.52757499 Send Multi Sig 19785429 2024-05-02 22:31:47 1 hr ago 1714689107 IN 0 ETH 0.00060626 5.87571419 Send Multi Sig 19785406 2024-05-02 22:26:47 1 hr ago 1714688807 IN 0 ETH 0.00040999 5.2428224 Send Multi Sig 19785368 2024-05-02 22:18:59 1 hr ago 1714688339 IN 0 ETH 0.00039691 5.07548864 Send Multi Sig 19785364 2024-05-02 22:18:11 1 hr ago 1714688291 IN 0 ETH 0.00043702 5.58814946 Send Multi Sig 19785354 2024-05-02 22:16:11 1 hr ago 1714688171 IN 0 ETH 0.00049828 6.37343858 Send Multi Sig 19785319 2024-05-02 22:08:59 1 hr ago 1714687739 IN 0 ETH 0.00075392 7.30508242 Send Multi Sig 19785305 2024-05-02 22:06:11 1 hr ago 1714687571 IN 0 ETH 0.00042358 5.41572926 Send Multi Sig 19785269 2024-05-02 21:58:59 1 hr ago 1714687139 IN 0 ETH 0.00043746 5.59436764 Send Multi Sig 19785268 2024-05-02 21:58:47 1 hr ago 1714687127 IN 0 ETH 0.00045653 5.83853312 Send Multi Sig 19785249 2024-05-02 21:54:47 1 hr ago 1714686887 IN 0 ETH 0.00069015 8.82478649 Send Multi Sig 19785198 2024-05-02 21:44:35 2 hrs ago 1714686275 IN 0 ETH 0.00052305 6.68812912 Send Multi Sig 19785160 2024-05-02 21:36:59 2 hrs ago 1714685819 IN 0 ETH 0.00047313 6.04918153 Send Multi Sig 19785155 2024-05-02 21:35:59 2 hrs ago 1714685759 IN 0 ETH 0.00050873 6.50437217 Send Multi Sig 19785140 2024-05-02 21:32:59 2 hrs ago 1714685579 IN 0 ETH 0.00047468 6.06964349 Latest 25 internal transactions (View All)
Advanced mode:Parent Transaction Hash Block From To Value 19785699 2024-05-02 23:25:59 28 mins ago 1714692359 0.02588091 ETH 19785625 2024-05-02 23:11:11 42 mins ago 1714691471 0.04994822 ETH 19785528 2024-05-02 22:51:35 1 hr ago 1714690295 0.02282097 ETH 19785429 2024-05-02 22:31:47 1 hr ago 1714689107 0.11890392 ETH 19785406 2024-05-02 22:26:47 1 hr ago 1714688807 0.02129825 ETH 19785368 2024-05-02 22:18:59 1 hr ago 1714688339 0.2978098 ETH 19785364 2024-05-02 22:18:11 1 hr ago 1714688291 0.14834796 ETH 19785354 2024-05-02 22:16:11 1 hr ago 1714688171 0.0137949 ETH 19785319 2024-05-02 22:08:59 1 hr ago 1714687739 0.26789323 ETH 19785305 2024-05-02 22:06:11 1 hr ago 1714687571 0.14834711 ETH 19785269 2024-05-02 21:58:59 1 hr ago 1714687139 0.60062172 ETH 19785268 2024-05-02 21:58:47 1 hr ago 1714687127 0.02287226 ETH 19785249 2024-05-02 21:54:47 1 hr ago 1714686887 0.16394534 ETH 19785198 2024-05-02 21:44:35 2 hrs ago 1714686275 0.12467106 ETH 19785160 2024-05-02 21:36:59 2 hrs ago 1714685819 0.29888578 ETH 19785155 2024-05-02 21:35:59 2 hrs ago 1714685759 0.23907207 ETH 19785140 2024-05-02 21:32:59 2 hrs ago 1714685579 0.08892938 ETH 19785101 2024-05-02 21:25:11 2 hrs ago 1714685111 21.00766471 ETH 19785072 2024-05-02 21:19:23 2 hrs ago 1714684763 0.25440029 ETH 19784963 2024-05-02 20:57:35 2 hrs ago 1714683455 0.03946557 ETH 19784940 2024-05-02 20:52:59 3 hrs ago 1714683179 0.00633492 ETH 19784853 2024-05-02 20:35:35 3 hrs ago 1714682135 0.78853368 ETH 19784804 2024-05-02 20:25:35 3 hrs ago 1714681535 0.01082506 ETH 19784752 2024-05-02 20:14:59 3 hrs ago 1714680899 4.91144192 ETH 19784587 2024-05-02 19:41:35 4 hrs ago 1714678895 0.05902205 ETH Loading...LoadingMinimal Proxy Contract for 0xe8e847cf573fc8ed75621660a36affd18c543d7e
Contract Name:WalletSimple
Compiler Versionv0.7.5+commit.eb77ed08
File 4 of 4: WalletSimple.solContract Source Code (Solidity Multiple files format)
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.7.5; import './TransferHelper.sol'; import './Forwarder.sol'; import './ERC20Interface.sol'; /** * * WalletSimple * ============ * * Basic multi-signer wallet designed for use in a co-signing environment where 2 signatures are required to move funds. * Typically used in a 2-of-3 signing configuration. Uses ecrecover to allow for 2 signatures in a single transaction. * * The first signature is created on the operation hash (see Data Formats) and passed to sendMultiSig/sendMultiSigToken * The signer is determined by verifyMultiSig(). * * The second signature is created by the submitter of the transaction and determined by msg.signer. * * Data Formats * ============ * * The signature is created with ethereumjs-util.ecsign(operationHash). * Like the eth_sign RPC call, it packs the values as a 65-byte array of [r, s, v]. * Unlike eth_sign, the message is not prefixed. * * The operationHash the result of keccak256(prefix, toAddress, value, data, expireTime). * For ether transactions, `prefix` is "ETHER". * For token transaction, `prefix` is "ERC20" and `data` is the tokenContractAddress. * * */ contract WalletSimple { // Events event Deposited(address from, uint256 value, bytes data); event SafeModeActivated(address msgSender); event Transacted( address msgSender, // Address of the sender of the message initiating the transaction address otherSigner, // Address of the signer (second signature) used to initiate the transaction bytes32 operation, // Operation hash (see Data Formats) address toAddress, // The address the transaction was sent to uint256 value, // Amount of Wei sent to the address bytes data // Data sent when invoking the transaction ); event BatchTransfer(address sender, address recipient, uint256 value); // this event shows the other signer and the operation hash that they signed // specific batch transfer events are emitted in Batcher event BatchTransacted( address msgSender, // Address of the sender of the message initiating the transaction address otherSigner, // Address of the signer (second signature) used to initiate the transaction bytes32 operation // Operation hash (see Data Formats) ); // Public fields mapping(address => bool) public signers; // The addresses that can co-sign transactions on the wallet bool public safeMode = false; // When active, wallet may only send to signer addresses bool public initialized = false; // True if the contract has been initialized // Internal fields uint256 private constant MAX_SEQUENCE_ID_INCREASE = 10000; uint256 constant SEQUENCE_ID_WINDOW_SIZE = 10; uint256[SEQUENCE_ID_WINDOW_SIZE] recentSequenceIds; /** * Set up a simple multi-sig wallet by specifying the signers allowed to be used on this wallet. * 2 signers will be required to send a transaction from this wallet. * Note: The sender is NOT automatically added to the list of signers. * Signers CANNOT be changed once they are set * * @param allowedSigners An array of signers on the wallet */ function init(address[] calldata allowedSigners) external onlyUninitialized { require(allowedSigners.length == 3, 'Invalid number of signers'); for (uint8 i = 0; i < allowedSigners.length; i++) { require(allowedSigners[i] != address(0), 'Invalid signer'); signers[allowedSigners[i]] = true; } initialized = true; } /** * Get the network identifier that signers must sign over * This provides protection signatures being replayed on other chains * This must be a virtual function because chain-specific contracts will need * to override with their own network ids. It also can't be a field * to allow this contract to be used by proxy with delegatecall, which will * not pick up on state variables */ function getNetworkId() internal virtual pure returns (string memory) { return 'ETHER'; } /** * Get the network identifier that signers must sign over for token transfers * This provides protection signatures being replayed on other chains * This must be a virtual function because chain-specific contracts will need * to override with their own network ids. It also can't be a field * to allow this contract to be used by proxy with delegatecall, which will * not pick up on state variables */ function getTokenNetworkId() internal virtual pure returns (string memory) { return 'ERC20'; } /** * Get the network identifier that signers must sign over for batch transfers * This provides protection signatures being replayed on other chains * This must be a virtual function because chain-specific contracts will need * to override with their own network ids. It also can't be a field * to allow this contract to be used by proxy with delegatecall, which will * not pick up on state variables */ function getBatchNetworkId() internal virtual pure returns (string memory) { return 'ETHER-Batch'; } /** * Determine if an address is a signer on this wallet * @param signer address to check * returns boolean indicating whether address is signer or not */ function isSigner(address signer) public view returns (bool) { return signers[signer]; } /** * Modifier that will execute internal code block only if the sender is an authorized signer on this wallet */ modifier onlySigner { require(isSigner(msg.sender), 'Non-signer in onlySigner method'); _; } /** * Modifier that will execute internal code block only if the contract has not been initialized yet */ modifier onlyUninitialized { require(!initialized, 'Contract already initialized'); _; } /** * Gets called when a transaction is received with data that does not match any other method */ fallback() external payable { if (msg.value > 0) { // Fire deposited event if we are receiving funds Deposited(msg.sender, msg.value, msg.data); } } /** * Gets called when a transaction is received with ether and no data */ receive() external payable { if (msg.value > 0) { // Fire deposited event if we are receiving funds Deposited(msg.sender, msg.value, msg.data); } } /** * Execute a multi-signature transaction from this wallet using 2 signers: one from msg.sender and the other from ecrecover. * Sequence IDs are numbers starting from 1. They are used to prevent replay attacks and may not be repeated. * * @param toAddress the destination address to send an outgoing transaction * @param value the amount in Wei to be sent * @param data the data to send to the toAddress when invoking the transaction * @param expireTime the number of seconds since 1970 for which this transaction is valid * @param sequenceId the unique sequence id obtainable from getNextSequenceId * @param signature see Data Formats */ function sendMultiSig( address toAddress, uint256 value, bytes calldata data, uint256 expireTime, uint256 sequenceId, bytes calldata signature ) external onlySigner { // Verify the other signer bytes32 operationHash = keccak256( abi.encodePacked( getNetworkId(), toAddress, value, data, expireTime, sequenceId ) ); address otherSigner = verifyMultiSig( toAddress, operationHash, signature, expireTime, sequenceId ); // Success, send the transaction (bool success, ) = toAddress.call{ value: value }(data); require(success, 'Call execution failed'); emit Transacted( msg.sender, otherSigner, operationHash, toAddress, value, data ); } /** * Execute a batched multi-signature transaction from this wallet using 2 signers: one from msg.sender and the other from ecrecover. * Sequence IDs are numbers starting from 1. They are used to prevent replay attacks and may not be repeated. * The recipients and values to send are encoded in two arrays, where for index i, recipients[i] will be sent values[i]. * * @param recipients The list of recipients to send to * @param values The list of values to send to * @param expireTime the number of seconds since 1970 for which this transaction is valid * @param sequenceId the unique sequence id obtainable from getNextSequenceId * @param signature see Data Formats */ function sendMultiSigBatch( address[] calldata recipients, uint256[] calldata values, uint256 expireTime, uint256 sequenceId, bytes calldata signature ) external onlySigner { require(recipients.length != 0, 'Not enough recipients'); require( recipients.length == values.length, 'Unequal recipients and values' ); require(recipients.length < 256, 'Too many recipients, max 255'); // Verify the other signer bytes32 operationHash = keccak256( abi.encodePacked( getBatchNetworkId(), recipients, values, expireTime, sequenceId ) ); // the first parameter (toAddress) is used to ensure transactions in safe mode only go to a signer // if in safe mode, we should use normal sendMultiSig to recover, so this check will always fail if in safe mode require(!safeMode, 'Batch in safe mode'); address otherSigner = verifyMultiSig( address(0x0), operationHash, signature, expireTime, sequenceId ); batchTransfer(recipients, values); emit BatchTransacted(msg.sender, otherSigner, operationHash); } /** * Transfer funds in a batch to each of recipients * @param recipients The list of recipients to send to * @param values The list of values to send to recipients. * The recipient with index i in recipients array will be sent values[i]. * Thus, recipients and values must be the same length */ function batchTransfer( address[] calldata recipients, uint256[] calldata values ) internal { for (uint256 i = 0; i < recipients.length; i++) { require(address(this).balance >= values[i], 'Insufficient funds'); (bool success, ) = recipients[i].call{ value: values[i] }(''); require(success, 'Call failed'); emit BatchTransfer(msg.sender, recipients[i], values[i]); } } /** * Execute a multi-signature token transfer from this wallet using 2 signers: one from msg.sender and the other from ecrecover. * Sequence IDs are numbers starting from 1. They are used to prevent replay attacks and may not be repeated. * * @param toAddress the destination address to send an outgoing transaction * @param value the amount in tokens to be sent * @param tokenContractAddress the address of the erc20 token contract * @param expireTime the number of seconds since 1970 for which this transaction is valid * @param sequenceId the unique sequence id obtainable from getNextSequenceId * @param signature see Data Formats */ function sendMultiSigToken( address toAddress, uint256 value, address tokenContractAddress, uint256 expireTime, uint256 sequenceId, bytes calldata signature ) external onlySigner { // Verify the other signer bytes32 operationHash = keccak256( abi.encodePacked( getTokenNetworkId(), toAddress, value, tokenContractAddress, expireTime, sequenceId ) ); verifyMultiSig(toAddress, operationHash, signature, expireTime, sequenceId); TransferHelper.safeTransfer(tokenContractAddress, toAddress, value); } /** * Execute a token flush from one of the forwarder addresses. This transfer needs only a single signature and can be done by any signer * * @param forwarderAddress the address of the forwarder address to flush the tokens from * @param tokenContractAddress the address of the erc20 token contract */ function flushForwarderTokens( address payable forwarderAddress, address tokenContractAddress ) external onlySigner { Forwarder forwarder = Forwarder(forwarderAddress); forwarder.flushTokens(tokenContractAddress); } /** * Do common multisig verification for both eth sends and erc20token transfers * * @param toAddress the destination address to send an outgoing transaction * @param operationHash see Data Formats * @param signature see Data Formats * @param expireTime the number of seconds since 1970 for which this transaction is valid * @param sequenceId the unique sequence id obtainable from getNextSequenceId * returns address that has created the signature */ function verifyMultiSig( address toAddress, bytes32 operationHash, bytes calldata signature, uint256 expireTime, uint256 sequenceId ) private returns (address) { address otherSigner = recoverAddressFromSignature(operationHash, signature); // Verify if we are in safe mode. In safe mode, the wallet can only send to signers require(!safeMode || isSigner(toAddress), 'External transfer in safe mode'); // Verify that the transaction has not expired require(expireTime >= block.timestamp, 'Transaction expired'); // Try to insert the sequence ID. Will revert if the sequence id was invalid tryInsertSequenceId(sequenceId); require(isSigner(otherSigner), 'Invalid signer'); require(otherSigner != msg.sender, 'Signers cannot be equal'); return otherSigner; } /** * Irrevocably puts contract into safe mode. When in this mode, transactions may only be sent to signing addresses. */ function activateSafeMode() external onlySigner { safeMode = true; SafeModeActivated(msg.sender); } /** * Gets signer's address using ecrecover * @param operationHash see Data Formats * @param signature see Data Formats * returns address recovered from the signature */ function recoverAddressFromSignature( bytes32 operationHash, bytes memory signature ) private pure returns (address) { require(signature.length == 65, 'Invalid signature - wrong length'); // We need to unpack the signature, which is given as an array of 65 bytes (like eth.sign) bytes32 r; bytes32 s; uint8 v; // solhint-disable-next-line assembly { r := mload(add(signature, 32)) s := mload(add(signature, 64)) v := and(mload(add(signature, 65)), 255) } if (v < 27) { v += 27; // Ethereum versions are 27 or 28 as opposed to 0 or 1 which is submitted by some signing libs } // protect against signature malleability // S value must be in the lower half orader // reference: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/051d340171a93a3d401aaaea46b4b62fa81e5d7c/contracts/cryptography/ECDSA.sol#L53 require( uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "ECDSA: invalid signature 's' value" ); // note that this returns 0 if the signature is invalid // Since 0x0 can never be a signer, when the recovered signer address // is checked against our signer list, that 0x0 will cause an invalid signer failure return ecrecover(operationHash, v, r, s); } /** * Verify that the sequence id has not been used before and inserts it. Throws if the sequence ID was not accepted. * We collect a window of up to 10 recent sequence ids, and allow any sequence id that is not in the window and * greater than the minimum element in the window. * @param sequenceId to insert into array of stored ids */ function tryInsertSequenceId(uint256 sequenceId) private onlySigner { // Keep a pointer to the lowest value element in the window uint256 lowestValueIndex = 0; // fetch recentSequenceIds into memory for function context to avoid unnecessary sloads uint256[SEQUENCE_ID_WINDOW_SIZE] memory _recentSequenceIds = recentSequenceIds; for (uint256 i = 0; i < SEQUENCE_ID_WINDOW_SIZE; i++) { require(_recentSequenceIds[i] != sequenceId, 'Sequence ID already used'); if (_recentSequenceIds[i] < _recentSequenceIds[lowestValueIndex]) { lowestValueIndex = i; } } // The sequence ID being used is lower than the lowest value in the window // so we cannot accept it as it may have been used before require( sequenceId > _recentSequenceIds[lowestValueIndex], 'Sequence ID below window' ); // Block sequence IDs which are much higher than the lowest value // This prevents people blocking the contract by using very large sequence IDs quickly require( sequenceId <= (_recentSequenceIds[lowestValueIndex] + MAX_SEQUENCE_ID_INCREASE), 'Sequence ID above maximum' ); recentSequenceIds[lowestValueIndex] = sequenceId; } /** * Gets the next available sequence ID for signing when using executeAndConfirm * returns the sequenceId one higher than the highest currently stored */ function getNextSequenceId() public view returns (uint256) { uint256 highestSequenceId = 0; for (uint256 i = 0; i < SEQUENCE_ID_WINDOW_SIZE; i++) { if (recentSequenceIds[i] > highestSequenceId) { highestSequenceId = recentSequenceIds[i]; } } return highestSequenceId + 1; } }
File 1 of 4: ERC20Interface.sol// SPDX-License-Identifier: UNLICENSED pragma solidity 0.7.5; /** * Contract that exposes the needed erc20 token functions */ abstract contract ERC20Interface { // Send _value amount of tokens to address _to function transfer(address _to, uint256 _value) public virtual returns (bool success); // Get the account balance of another account with address _owner function balanceOf(address _owner) public virtual view returns (uint256 balance); }
File 2 of 4: Forwarder.sol// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.7.5; import './TransferHelper.sol'; import './ERC20Interface.sol'; /** * Contract that will forward any incoming Ether to the creator of the contract * */ contract Forwarder { // Address to which any funds sent to this contract will be forwarded address public parentAddress; event ForwarderDeposited(address from, uint256 value, bytes data); /** * Initialize the contract, and sets the destination address to that of the creator */ function init(address _parentAddress) external onlyUninitialized { parentAddress = _parentAddress; uint256 value = address(this).balance; if (value == 0) { return; } (bool success, ) = parentAddress.call{ value: value }(''); require(success, 'Flush failed'); // NOTE: since we are forwarding on initialization, // we don't have the context of the original sender. // We still emit an event about the forwarding but set // the sender to the forwarder itself emit ForwarderDeposited(address(this), value, msg.data); } /** * Modifier that will execute internal code block only if the sender is the parent address */ modifier onlyParent { require(msg.sender == parentAddress, 'Only Parent'); _; } /** * Modifier that will execute internal code block only if the contract has not been initialized yet */ modifier onlyUninitialized { require(parentAddress == address(0x0), 'Already initialized'); _; } /** * Default function; Gets called when data is sent but does not match any other function */ fallback() external payable { flush(); } /** * Default function; Gets called when Ether is deposited with no data, and forwards it to the parent address */ receive() external payable { flush(); } /** * Execute a token transfer of the full balance from the forwarder token to the parent address * @param tokenContractAddress the address of the erc20 token contract */ function flushTokens(address tokenContractAddress) external onlyParent { ERC20Interface instance = ERC20Interface(tokenContractAddress); address forwarderAddress = address(this); uint256 forwarderBalance = instance.balanceOf(forwarderAddress); if (forwarderBalance == 0) { return; } TransferHelper.safeTransfer( tokenContractAddress, parentAddress, forwarderBalance ); } /** * Flush the entire balance of the contract to the parent address. */ function flush() public { uint256 value = address(this).balance; if (value == 0) { return; } (bool success, ) = parentAddress.call{ value: value }(''); require(success, 'Flush failed'); emit ForwarderDeposited(msg.sender, value, msg.data); } }
File 3 of 4: TransferHelper.sol// SPDX-License-Identifier: Apache-2.0 pragma solidity >=0.7.5; // helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false library TransferHelper { function safeApprove( address token, address to, uint256 value ) internal { // bytes4(keccak256(bytes('approve(address,uint256)'))); (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value)); require( success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper::safeApprove: approve failed' ); } function safeTransfer( address token, address to, uint256 value ) internal { // bytes4(keccak256(bytes('transfer(address,uint256)'))); (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value)); require( success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper::safeTransfer: transfer failed' ); } function safeTransferFrom( address token, address from, address to, uint256 value ) internal { // bytes4(keccak256(bytes('transferFrom(address,address,uint256)'))); (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value)); require( success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper::transferFrom: transferFrom failed' ); } function safeTransferETH(address to, uint256 value) internal { (bool success, ) = to.call{value: value}(new bytes(0)); require(success, 'TransferHelper::safeTransferETH: ETH transfer failed'); } }
Contract ABI
[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"msgSender","type":"address"},{"indexed":false,"internalType":"address","name":"otherSigner","type":"address"},{"indexed":false,"internalType":"bytes32","name":"operation","type":"bytes32"}],"name":"BatchTransacted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"BatchTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Deposited","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"msgSender","type":"address"}],"name":"SafeModeActivated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"msgSender","type":"address"},{"indexed":false,"internalType":"address","name":"otherSigner","type":"address"},{"indexed":false,"internalType":"bytes32","name":"operation","type":"bytes32"},{"indexed":false,"internalType":"address","name":"toAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Transacted","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"activateSafeMode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"forwarderAddress","type":"address"},{"internalType":"address","name":"tokenContractAddress","type":"address"}],"name":"flushForwarderTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getNextSequenceId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"allowedSigners","type":"address[]"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"signer","type":"address"}],"name":"isSigner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"safeMode","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"toAddress","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"expireTime","type":"uint256"},{"internalType":"uint256","name":"sequenceId","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"sendMultiSig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"recipients","type":"address[]"},{"internalType":"uint256[]","name":"values","type":"uint256[]"},{"internalType":"uint256","name":"expireTime","type":"uint256"},{"internalType":"uint256","name":"sequenceId","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"sendMultiSigBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"toAddress","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"address","name":"tokenContractAddress","type":"address"},{"internalType":"uint256","name":"expireTime","type":"uint256"},{"internalType":"uint256","name":"sequenceId","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"sendMultiSigToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"signers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
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Please DO NOT store any passwords or private keys here.Compiler specific version warnings:
The compiled contract might be susceptible to FullInlinerNonExpressionSplitArgumentEvaluationOrder (low-severity), MissingSideEffectsOnSelectorAccess (low-severity), AbiReencodingHeadOverflowWithStaticArrayCleanup (medium-severity), DirtyBytesArrayToStorage (low-severity), DataLocationChangeInInternalOverride (very low-severity), NestedCalldataArrayAbiReencodingSizeValidation (very low-severity), SignedImmutables (very low-severity), ABIDecodeTwoDimensionalArrayMemory (very low-severity) Solidity Compiler Bugs.
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