false
true
0

Contract Address Details

0x38699d04656fF537ef8671b6b595402ebDBdf6f4

Contract Name
SimpleMultiSig
Creator
0x75cad9–f13c8d at 0x8d27b2–c14034
Balance
0.1775 PLS ( )
Tokens
Fetching tokens...
Transactions
18 Transactions
Transfers
0 Transfers
Gas Used
1,982,476
Last Balance Update
25902673
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
This contract has been partially verified via Sourcify. View contract in Sourcify repository
Contract name:
SimpleMultiSig




Optimization enabled
true
Compiler version
v0.4.24+commit.e67f0147




Optimization runs
200
EVM Version
byzantium




Verified at
2026-02-28T05:40:11.807426Z

Constructor Arguments

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

SimpleMultiSig.sol

pragma solidity ^0.4.24;

contract SimpleMultiSig {

// EIP712 Precomputed hashes:
// keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract,bytes32 salt)")
bytes32 constant EIP712DOMAINTYPE_HASH = 0xd87cd6ef79d4e2b95e15ce8abf732db51ec771f1ca2edccf22a46c729ac56472;

// keccak256("Simple MultiSig")
bytes32 constant NAME_HASH = 0xb7a0bfa1b79f2443f4d73ebb9259cddbcd510b18be6fc4da7d1aa7b1786e73e6;

// keccak256("1")
bytes32 constant VERSION_HASH = 0xc89efdaa54c0f20c7adf612882df0950f5a951637e0307cdcb4c672f298b8bc6;

// keccak256("MultiSigTransaction(address destination,uint256 value,bytes data,uint256 nonce,address executor,uint256 gasLimit)")
bytes32 constant TXTYPE_HASH = 0x3ee892349ae4bbe61dce18f95115b5dc02daf49204cc602458cd4c1f540d56d7;

bytes32 constant SALT = 0x251543af6a222378665a76fe38dbceae4871a070b7fdaf5c6c30cf758dc33cc0;

  uint public nonce;                 // (only) mutable state
  uint public threshold;             // immutable state
  mapping (address => bool) isOwner; // immutable state
  address[] public ownersArr;        // immutable state

  bytes32 DOMAIN_SEPARATOR;          // hash for EIP712, computed from contract address

  function owners() public view returns (address[]) {
    return ownersArr;
  }

  // Note that owners_ must be strictly increasing, in order to prevent duplicates
  function setOwners_(uint threshold_, address[] owners_) private {
    require(owners_.length <= 20 && threshold_ <= owners_.length && threshold_ > 0);

    // remove old owners from map
    for (uint i = 0; i < ownersArr.length; i++) {
      isOwner[ownersArr[i]] = false;
    }

    // add new owners to map
    address lastAdd = address(0);
    for (i = 0; i < owners_.length; i++) {
      require(owners_[i] > lastAdd);
      isOwner[owners_[i]] = true;
      lastAdd = owners_[i];
    }

    // set owners array and threshold
    ownersArr = owners_;
    threshold = threshold_;
  }

  constructor(uint threshold_, address[] owners_, uint chainId) public {
    setOwners_(threshold_, owners_);

    DOMAIN_SEPARATOR = keccak256(abi.encode(EIP712DOMAINTYPE_HASH,
                                            NAME_HASH,
                                            VERSION_HASH,
                                            chainId,
                                            this,
                                            SALT));
  }

  // Requires a quorum of owners to call from this contract using execute
  function setOwners(uint threshold_, address[] owners_) external {
    require(msg.sender == address(this));
    setOwners_(threshold_, owners_);
  }

  // Note that address recovered from signatures must be strictly increasing, in order to prevent duplicates
  function execute(uint8[] sigV, bytes32[] sigR, bytes32[] sigS, address destination, uint value, bytes data, address executor, uint gasLimit) public {
    require(sigR.length == threshold);
    require(sigR.length == sigS.length && sigR.length == sigV.length);
    require(executor == msg.sender || executor == address(0));

    // EIP712 scheme: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md
    bytes32 txInputHash = keccak256(abi.encode(TXTYPE_HASH, destination, value, keccak256(data), nonce, executor, gasLimit));
    bytes32 totalHash = keccak256(abi.encodePacked("\x19\x01", DOMAIN_SEPARATOR, txInputHash));

    address lastAdd = address(0); // cannot have address(0) as an owner
    for (uint i = 0; i < threshold; i++) {
      address recovered = ecrecover(totalHash, sigV[i], sigR[i], sigS[i]);
      require(recovered > lastAdd && isOwner[recovered]);
      lastAdd = recovered;
    }

    // If we make it here all signatures are accounted for.
    // The address.call() syntax is no longer recommended, see:
    // https://github.com/ethereum/solidity/issues/2884
    nonce = nonce + 1;
    bool success = false;
    assembly { success := call(gasLimit, destination, value, add(data, 0x20), mload(data), 0, 0) }
    require(success);
  }

  function () payable external {}
}

Compiler Settings

{"remappings":[],"optimizer":{"runs":200,"enabled":true},"libraries":{},"evmVersion":"byzantium","compilationTarget":{"SimpleMultiSig.sol":"SimpleMultiSig"}}

Contract ABI

[{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"threshold","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"execute","inputs":[{"type":"uint8[]","name":"sigV"},{"type":"bytes32[]","name":"sigR"},{"type":"bytes32[]","name":"sigS"},{"type":"address","name":"destination"},{"type":"uint256","name":"value"},{"type":"bytes","name":"data"},{"type":"address","name":"executor"},{"type":"uint256","name":"gasLimit"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":""}],"name":"ownersArr","inputs":[{"type":"uint256","name":""}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address[]","name":""}],"name":"owners","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"nonce","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setOwners","inputs":[{"type":"uint256","name":"threshold_"},{"type":"address[]","name":"owners_"}],"constant":false},{"type":"constructor","stateMutability":"nonpayable","payable":false,"inputs":[{"type":"uint256","name":"threshold_"},{"type":"address[]","name":"owners_"},{"type":"uint256","name":"chainId"}]},{"type":"fallback","stateMutability":"payable","payable":true}]

Contract Creation Code

Verify & Publish 
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Deployed ByteCode

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