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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0x4C3c8aCA...0D52b3cd9 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
DSSpell
Compiler Version
v0.5.11+commit.c082d0b4
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2019-09-06 */ // spell.sol - An un-owned object that performs one action one time only // Copyright (C) 2017, 2018 DappHub, LLC // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. pragma solidity >=0.4.23; contract DSExec { function tryExec( address target, bytes memory data, uint value) internal returns (bool ok) { assembly { ok := call(gas, target, value, add(data, 0x20), mload(data), 0, 0) } } function exec( address target, bytes memory data, uint value) internal { if(!tryExec(target, data, value)) { revert("ds-exec-call-failed"); } } // Convenience aliases function exec( address t, bytes memory c ) internal { exec(t, c, 0); } function exec( address t, uint256 v ) internal { bytes memory c; exec(t, c, v); } function tryExec( address t, bytes memory c ) internal returns (bool) { return tryExec(t, c, 0); } function tryExec( address t, uint256 v ) internal returns (bool) { bytes memory c; return tryExec(t, c, v); } } contract DSNote { event LogNote( bytes4 indexed sig, address indexed guy, bytes32 indexed foo, bytes32 indexed bar, uint256 wad, bytes fax ) anonymous; modifier note { bytes32 foo; bytes32 bar; uint256 wad; assembly { foo := calldataload(4) bar := calldataload(36) wad := callvalue } emit LogNote(msg.sig, msg.sender, foo, bar, wad, msg.data); _; } } contract DSSpell is DSExec, DSNote { address public whom; uint256 public mana; bytes public data; bool public done; constructor(address whom_, uint256 mana_, bytes memory data_) public { whom = whom_; mana = mana_; data = data_; } // Only marked 'done' if CALL succeeds (not exceptional condition). function cast() public note { require(!done, "ds-spell-already-cast"); exec(whom, data, mana); done = true; } } contract DSSpellBook { function make(address whom, uint256 mana, bytes memory data) public returns (DSSpell) { return new DSSpell(whom, mana, data); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Deployed Bytecode
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Deployed Bytecode Sourcemap
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Swarm Source
bzzr://940fe6468171ffd1da91bc71f917d558aaf0da1ba929dba7c1b5573a385b1230
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