ERC-20
Finance
Overview
Max Total Supply
100,000,000 TRST
Holders
7,866 (0.00%)
Market
Price
$0.00 @ 0.000000 ETH (+1.49%)
Onchain Market Cap
$30,901.13
Circulating Supply Market Cap
$0.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
2,739.870659 TRSTValue
$0.85 ( ~0.000370167204363871 Eth) [0.0027%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
Trustcoin
Compiler Version
v0.4.8+commit.60cc1668
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-04-18 */ /** * TRST Trustcoin contract, ERC20 compliant (see https://github.com/ethereum/EIPs/issues/20) * * Code is based on multiple sources: * https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/token/ERC20.sol * https://github.com/ConsenSys/Tokens/blob/master/Token_Contracts/contracts/StandardToken.sol * https://github.com/ConsenSys/Tokens/blob/master/Token_Contracts/contracts/HumanStandardToken.sol */ // Abstract contract for the full ERC 20 Token standard // https://github.com/ethereum/EIPs/issues/20 // Based on https://github.com/ConsenSys/Tokens/blob/master/Token_Contracts/contracts/Token.sol pragma solidity 0.4.8; contract ERC20TokenInterface { /// @return The total amount of tokens function totalSupply() constant returns (uint256 supply); /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant public returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) public returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); /// @notice `msg.sender` approves `_spender` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of tokens to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) public returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant public returns (uint256 remaining); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } contract Trustcoin is ERC20TokenInterface { //// Constants //// string public constant name = 'Trustcoin'; uint256 public constant decimals = 6; string public constant symbol = 'TRST'; string public constant version = 'TRST1.0'; // One hundred million coins, each divided to up to 10^decimals units. uint256 private constant totalTokens = 100000000 * (10 ** decimals); mapping (address => uint256) public balances; // (ERC20) // A mapping from an account owner to a map from approved spender to their allowances. // (see ERC20 for details about allowances). mapping (address => mapping (address => uint256)) public allowed; // (ERC20) //// Events //// event MigrationInfoSet(string newMigrationInfo); // This is to be used when migration to a new contract starts. // This string can be used for any authorative information re the migration // (e.g. address to use for migration, or URL to explain where to find more info) string public migrationInfo = ""; // The only address that can set migrationContractAddress, a secure multisig. address public migrationInfoSetter; //// Modifiers //// modifier onlyFromMigrationInfoSetter { if (msg.sender != migrationInfoSetter) { throw; } _; } //// Public functions //// function Trustcoin(address _migrationInfoSetter) { if (_migrationInfoSetter == 0) throw; migrationInfoSetter = _migrationInfoSetter; // Upon creation, all tokens belong to the deployer. balances[msg.sender] = totalTokens; } // See ERC20 function totalSupply() constant returns (uint256) { return totalTokens; } // See ERC20 // WARNING: If you call this with the address of a contract, the contract will receive the // funds, but will have no idea where they came from. Furthermore, if the contract is // not aware of TRST, the tokens will remain locked away in the contract forever. // It is always recommended to call instead compareAndApprove() (or approve()) and have the // receiving contract withdraw the money using transferFrom(). function transfer(address _to, uint256 _value) public returns (bool) { if (balances[msg.sender] >= _value) { balances[msg.sender] -= _value; balances[_to] += _value; Transfer(msg.sender, _to, _value); return true; } return false; } // See ERC20 function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value) { balances[_from] -= _value; allowed[_from][msg.sender] -= _value; balances[_to] += _value; Transfer(_from, _to, _value); return true; } return false; } // See ERC20 function balanceOf(address _owner) constant public returns (uint256) { return balances[_owner]; } // See ERC20 // NOTE: this method is vulnerable and is placed here only to follow the ERC20 standard. // Before using, please take a look at the better compareAndApprove below. function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } // A vulernability of the approve method in the ERC20 standard was identified by // Mikhail Vladimirov and Dmitry Khovratovich here: // https://docs.google.com/document/d/1YLPtQxZu1UAvO9cZ1O2RPXBbT0mooh4DYKjA_jp-RLM // It's better to use this method which is not susceptible to over-withdrawing by the approvee. /// @param _spender The address to approve /// @param _currentValue The previous value approved, which can be retrieved with allowance(msg.sender, _spender) /// @param _newValue The new value to approve, this will replace the _currentValue /// @return bool Whether the approval was a success (see ERC20's `approve`) function compareAndApprove(address _spender, uint256 _currentValue, uint256 _newValue) public returns(bool) { if (allowed[msg.sender][_spender] != _currentValue) { return false; } return approve(_spender, _newValue); } // See ERC20 function allowance(address _owner, address _spender) constant public returns (uint256 remaining) { return allowed[_owner][_spender]; } // Allows setting a descriptive string, which will aid any users in migrating their token // to a newer version of the contract. This field provides a kind of 'double-layer' of // authentication for any migration announcement, as it can only be set by WeTrust. /// @param _migrationInfo The information string to be stored on the contract function setMigrationInfo(string _migrationInfo) onlyFromMigrationInfoSetter public { migrationInfo = _migrationInfo; MigrationInfoSet(_migrationInfo); } // To be used if the migrationInfoSetter wishes to transfer the migrationInfoSetter // permission to a new account, e.g. because of change in personnel, a concern that account // may have been compromised etc. /// @param _newMigrationInfoSetter The address of the new Migration Info Setter function changeMigrationInfoSetter(address _newMigrationInfoSetter) onlyFromMigrationInfoSetter public { migrationInfoSetter = _newMigrationInfoSetter; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"migrationInfo","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_newMigrationInfoSetter","type":"address"}],"name":"changeMigrationInfoSetter","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balances","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"migrationInfoSetter","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowed","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_currentValue","type":"uint256"},{"name":"_newValue","type":"uint256"}],"name":"compareAndApprove","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_migrationInfo","type":"string"}],"name":"setMigrationInfo","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"_migrationInfoSetter","type":"address"}],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newMigrationInfo","type":"string"}],"name":"MigrationInfoSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000094D99A91f55259Ed93503f8711E79D71E6e913E2
-----Decoded View---------------
Arg [0] : _migrationInfoSetter (address): 0x94D99A91f55259Ed93503f8711E79D71E6e913E2
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000094D99A91f55259Ed93503f8711E79D71E6e913E2
Swarm Source
bzzr://489dd7d5cf36a9167f27c4b5fc1de716a507db014dc96c3449957480bccff801
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