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Overview
ETH Balance
0 ETH
Eth Value
$0.00More Info
Private Name Tags
ContractCreator
Latest 25 from a total of 64 transactions
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Transfer | 18265239 | 333 days ago | IN | 0.10304724 ETH | 0.00060096 | ||||
Transfer | 15535463 | 716 days ago | IN | 0.05660886 ETH | 0.00051554 | ||||
Transfer | 15507193 | 720 days ago | IN | 0.05952344 ETH | 0.00040405 | ||||
Transfer | 15477033 | 725 days ago | IN | 0.04573206 ETH | 0.00026165 | ||||
Transfer | 15452892 | 729 days ago | IN | 0.06697633 ETH | 0.00032419 | ||||
Transfer | 15424783 | 734 days ago | IN | 0.09877087 ETH | 0.0001454 | ||||
Transfer | 15374830 | 742 days ago | IN | 0.07254177 ETH | 0.00037644 | ||||
Transfer | 15326286 | 749 days ago | IN | 0.06160725 ETH | 0.00027582 | ||||
Transfer | 15292391 | 755 days ago | IN | 0.03681823 ETH | 0.0001238 | ||||
Transfer | 15275898 | 757 days ago | IN | 0.07283934 ETH | 0.00050704 | ||||
Transfer | 15244006 | 762 days ago | IN | 0.11032046 ETH | 0.00065907 | ||||
Transfer | 15196333 | 769 days ago | IN | 0.08765012 ETH | 0.00028091 | ||||
Transfer | 15158945 | 775 days ago | IN | 0.07378922 ETH | 0.00025332 | ||||
Transfer | 15127558 | 780 days ago | IN | 0.14860025 ETH | 0.00044903 | ||||
Transfer | 15062533 | 790 days ago | IN | 0.09309635 ETH | 0.00028882 | ||||
Transfer | 15021242 | 798 days ago | IN | 0.08467789 ETH | 0.00102184 | ||||
Transfer | 14984215 | 804 days ago | IN | 0.16026161 ETH | 0.00088447 | ||||
Transfer | 14917665 | 816 days ago | IN | 0.06053584 ETH | 0.00136268 | ||||
Transfer | 14888786 | 820 days ago | IN | 0.05947832 ETH | 0.00259544 | ||||
Transfer | 14858130 | 825 days ago | IN | 0.07598274 ETH | 0.00081261 | ||||
Transfer | 14819889 | 832 days ago | IN | 0.08408838 ETH | 0.00044298 | ||||
Transfer | 14776898 | 839 days ago | IN | 0.12109946 ETH | 0.00073748 | ||||
Transfer | 14722776 | 847 days ago | IN | 0.08066624 ETH | 0.00107971 | ||||
Transfer | 14678455 | 854 days ago | IN | 0.03205167 ETH | 0.00123903 | ||||
Transfer | 14659986 | 857 days ago | IN | 0.11697577 ETH | 0.00140761 |
Latest 25 internal transactions (View All)
Advanced mode:
Parent Transaction Hash | Block | From | To | |||
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18265239 | 333 days ago | 0.10304724 ETH | ||||
15535463 | 716 days ago | 0.05660886 ETH | ||||
15507193 | 720 days ago | 0.05952344 ETH | ||||
15477033 | 725 days ago | 0.04573206 ETH | ||||
15452892 | 729 days ago | 0.06697633 ETH | ||||
15424783 | 734 days ago | 0.09877087 ETH | ||||
15374830 | 742 days ago | 0.07254177 ETH | ||||
15326286 | 749 days ago | 0.06160725 ETH | ||||
15292391 | 755 days ago | 0.03681823 ETH | ||||
15275898 | 757 days ago | 0.07283934 ETH | ||||
15244006 | 762 days ago | 0.11032046 ETH | ||||
15196333 | 769 days ago | 0.08765012 ETH | ||||
15158945 | 775 days ago | 0.07378922 ETH | ||||
15127558 | 780 days ago | 0.14860025 ETH | ||||
15062533 | 790 days ago | 0.09309635 ETH | ||||
15021242 | 798 days ago | 0.08467789 ETH | ||||
14984215 | 804 days ago | 0.16026161 ETH | ||||
14917665 | 816 days ago | 0.06053584 ETH | ||||
14888786 | 820 days ago | 0.05947832 ETH | ||||
14858130 | 825 days ago | 0.07598274 ETH | ||||
14819889 | 832 days ago | 0.08408838 ETH | ||||
14776898 | 839 days ago | 0.12109946 ETH | ||||
14722776 | 847 days ago | 0.08066624 ETH | ||||
14678455 | 854 days ago | 0.03205167 ETH | ||||
14659986 | 857 days ago | 0.11697577 ETH |
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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0xe236AeBE...08FE07D3f The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
Forwarder
Compiler Version
v0.4.16-nightly.2017.8.11+commit.c84de7fa
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-11-21 */ pragma solidity ^0.4.14; /** * Contract that exposes the needed erc20 token functions */ contract ERC20Interface { // Send _value amount of tokens to address _to function transfer(address _to, uint256 _value) returns (bool success); // Get the account balance of another account with address _owner function balanceOf(address _owner) constant returns (uint256 balance); } /** * Contract that will forward any incoming Ether to its creator */ contract Forwarder { // Address to which any funds sent to this contract will be forwarded address public parentAddress; event ForwarderDeposited(address from, uint value, bytes data); event TokensFlushed( address tokenContractAddress, // The contract address of the token uint value // Amount of token sent ); /** * Create the contract, and set the destination address to that of the creator */ function Forwarder() { parentAddress = msg.sender; } /** * Modifier that will execute internal code block only if the sender is a parent of the forwarder contract */ modifier onlyParent { if (msg.sender != parentAddress) { throw; } _; } /** * Default function; Gets called when Ether is deposited, and forwards it to the destination address */ function() payable { if (!parentAddress.call.value(msg.value)(msg.data)) throw; // Fire off the deposited event if we can forward it ForwarderDeposited(msg.sender, msg.value, msg.data); } /** * Execute a token transfer of the full balance from the forwarder token to the main wallet contract * @param tokenContractAddress the address of the erc20 token contract */ function flushTokens(address tokenContractAddress) onlyParent { ERC20Interface instance = ERC20Interface(tokenContractAddress); var forwarderAddress = address(this); var forwarderBalance = instance.balanceOf(forwarderAddress); if (forwarderBalance == 0) { return; } if (!instance.transfer(parentAddress, forwarderBalance)) { throw; } TokensFlushed(tokenContractAddress, forwarderBalance); } /** * It is possible that funds were sent to this address before the contract was deployed. * We can flush those funds to the destination address. */ function flush() { if (!parentAddress.call.value(this.balance)()) throw; } } /** * 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. */ contract WalletSimple { // Events event Deposited(address from, uint 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 (sha3 of toAddress, value, data, expireTime, sequenceId) address toAddress, // The address the transaction was sent to uint value, // Amount of Wei sent to the address bytes data // Data sent when invoking the transaction ); event TokenTransacted( 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 (sha3 of toAddress, value, tokenContractAddress, expireTime, sequenceId) address toAddress, // The address the transaction was sent to uint value, // Amount of token sent address tokenContractAddress // The contract address of the token ); // Public fields address[] 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 // Internal fields uint constant SEQUENCE_ID_WINDOW_SIZE = 10; uint[10] recentSequenceIds; /** * Modifier that will execute internal code block only if the sender is an authorized signer on this wallet */ modifier onlysigner { if (!isSigner(msg.sender)) { throw; } _; } /** * 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 WalletSimple(address[] allowedSigners) { if (allowedSigners.length != 3) { // Invalid number of signers throw; } signers = allowedSigners; } /** * Gets called when a transaction is received without calling a method */ function() payable { if (msg.value > 0) { // Fire deposited event if we are receiving funds Deposited(msg.sender, msg.value, msg.data); } } /** * Create a new contract (and also address) that forwards funds to this contract * returns address of newly created forwarder address */ function createForwarder() onlysigner returns (address) { return new Forwarder(); } /** * Execute a multi-signature transaction from this wallet using 2 signers: one from msg.sender and the other from ecrecover. * The signature is a signed form (using eth.sign) of tightly packed toAddress, value, data, expireTime and sequenceId * 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 the result of eth.sign on the operationHash sha3(toAddress, value, data, expireTime, sequenceId) */ function sendMultiSig(address toAddress, uint value, bytes data, uint expireTime, uint sequenceId, bytes signature) onlysigner { // Verify the other signer var operationHash = sha3("ETHER", toAddress, value, data, expireTime, sequenceId); var otherSigner = verifyMultiSig(toAddress, operationHash, signature, expireTime, sequenceId); // Success, send the transaction if (!(toAddress.call.value(value)(data))) { // Failed executing transaction throw; } Transacted(msg.sender, otherSigner, operationHash, toAddress, value, data); } /** * Execute a multi-signature token transfer from this wallet using 2 signers: one from msg.sender and the other from ecrecover. * The signature is a signed form (using eth.sign) of tightly packed toAddress, value, tokenContractAddress, expireTime and sequenceId * 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 the result of eth.sign on the operationHash sha3(toAddress, value, tokenContractAddress, expireTime, sequenceId) */ function sendMultiSigToken(address toAddress, uint value, address tokenContractAddress, uint expireTime, uint sequenceId, bytes signature) onlysigner { // Verify the other signer var operationHash = sha3("ERC20", toAddress, value, tokenContractAddress, expireTime, sequenceId); var otherSigner = verifyMultiSig(toAddress, operationHash, signature, expireTime, sequenceId); ERC20Interface instance = ERC20Interface(tokenContractAddress); if (!instance.transfer(toAddress, value)) { throw; } TokenTransacted(msg.sender, otherSigner, operationHash, toAddress, value, tokenContractAddress); } /** * 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 forwarderAddress, address tokenContractAddress) 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 the sha3 of the toAddress, value, data/tokenContractAddress and expireTime * @param signature the tightly packed signature of r, s, and v as an array of 65 bytes (returned by eth.sign) * @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 of the address to send tokens or eth to */ function verifyMultiSig(address toAddress, bytes32 operationHash, bytes signature, uint expireTime, uint sequenceId) private returns (address) { var otherSigner = recoverAddressFromSignature(operationHash, signature); // Verify if we are in safe mode. In safe mode, the wallet can only send to signers if (safeMode && !isSigner(toAddress)) { // We are in safe mode and the toAddress is not a signer. Disallow! throw; } // Verify that the transaction has not expired if (expireTime < block.timestamp) { // Transaction expired throw; } // Try to insert the sequence ID. Will throw if the sequence id was invalid tryInsertSequenceId(sequenceId); if (!isSigner(otherSigner)) { // Other signer not on this wallet or operation does not match arguments throw; } if (otherSigner == msg.sender) { // Cannot approve own transaction throw; } return otherSigner; } /** * Irrevocably puts contract into safe mode. When in this mode, transactions may only be sent to signing addresses. */ function activateSafeMode() onlysigner { safeMode = true; SafeModeActivated(msg.sender); } /** * 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) returns (bool) { // Iterate through all signers on the wallet and for (uint i = 0; i < signers.length; i++) { if (signers[i] == signer) { return true; } } return false; } /** * Gets the second signer's address using ecrecover * @param operationHash the sha3 of the toAddress, value, data/tokenContractAddress and expireTime * @param signature the tightly packed signature of r, s, and v as an array of 65 bytes (returned by eth.sign) * returns address recovered from the signature */ function recoverAddressFromSignature(bytes32 operationHash, bytes signature) private returns (address) { if (signature.length != 65) { throw; } // We need to unpack the signature, which is given as an array of 65 bytes (from eth.sign) bytes32 r; bytes32 s; uint8 v; 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 } 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(uint sequenceId) onlysigner private { // Keep a pointer to the lowest value element in the window uint lowestValueIndex = 0; for (uint i = 0; i < SEQUENCE_ID_WINDOW_SIZE; i++) { if (recentSequenceIds[i] == sequenceId) { // This sequence ID has been used before. Disallow! throw; } if (recentSequenceIds[i] < recentSequenceIds[lowestValueIndex]) { lowestValueIndex = i; } } if (sequenceId < recentSequenceIds[lowestValueIndex]) { // 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 throw; } if (sequenceId > (recentSequenceIds[lowestValueIndex] + 10000)) { // Block sequence IDs which are much higher than the lowest value // This prevents people blocking the contract by using very large sequence IDs quickly throw; } 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() returns (uint) { uint highestSequenceId = 0; for (uint i = 0; i < SEQUENCE_ID_WINDOW_SIZE; i++) { if (recentSequenceIds[i] > highestSequenceId) { highestSequenceId = recentSequenceIds[i]; } } return highestSequenceId + 1; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"parentAddress","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"tokenContractAddress","type":"address"}],"name":"flushTokens","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"flush","outputs":[],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"ForwarderDeposited","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"tokenContractAddress","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"TokensFlushed","type":"event"}]
Deployed Bytecode
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
Swarm Source
bzzr://d0f8838ba17108a895d34ae8ef3bff4e0dc9d639c3c51921fee1d17eaa803721
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