Address Contract Partially Verified
Address
0x69177B07C346d32D8E6D5fA16EEe5BDC85A3Ae25
Balance
0 ETH
Nonce
1
Code Size
3235 bytes
Creator
0x9276f3E1...4d0B at tx 0x438062d0...0c0b2e
Indexed Transactions
0
Contract Bytecode
3235 bytes
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Verified Source Code Partial Match
Compiler: v0.4.24+commit.e67f0147
EVM: byzantium
Optimization: No
ERC20.sol 92 lines
pragma solidity ^0.4.20;
contract ERC20Interface {
string public name; //返回string类型的ERC20代币的名字
string public symbol; //返回string类型的ERC20代币的符号，也就是代币的简称，例如：SNT。
uint8 public decimals; //支持几位小数点后几位。如果设置为3。也就是支持0.001表示
uint public totalSupply; //发行代币的总量
//调用transfer函数将自己的token转账给_to地址，_value为转账个数
function transfer(address _to, uint256 _value) public returns (bool success);
//与下面approve函数搭配使用，approve批准之后，调用transferFrom函数来转移token。
function transferFrom(address _from, address _to, uint256 _value)public returns (bool success);
//批准_spender账户从自己的账户转移_value个token。可以分多次转移。
function approve(address _spender, uint256 _value)public returns (bool success);
//返回_spender还能提取token的个数。
function allowance(address _owner, address _spender)public view returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract ERC20 is ERC20Interface{
mapping(address => uint256) public balanceOf;//余额
mapping(address =>mapping(address => uint256)) allowed;
constructor(string _name,string _symbol,uint8 _decimals,uint _totalSupply) public{
name = _name; //返回string类型的ERC20代币的名字
symbol = _symbol; //返回string类型的ERC20代币的符号，也就是代币的简称，例如：SNT。
decimals = _decimals; //支持几位小数点后几位。如果设置为3。也就是支持0.001表示
totalSupply = _totalSupply * 10 ** uint( _decimals); //发行代币的总量
balanceOf[msg.sender]=totalSupply;
}
//调用transfer函数将自己的token转账给_to地址，_value为转账个数
function transfer(address _to, uint256 _value) public returns (bool success){
require(_to!=address(0));//检测目标帐号不等于空帐号
require(balanceOf[msg.sender] >= _value);
require(balanceOf[_to] + _value >=balanceOf[_to]);
balanceOf[msg.sender]-=_value;
balanceOf[_to]+=_value;
emit Transfer(msg.sender,_to,_value);//触发事件
return true;
}
//与下面approve函数搭配使用，approve批准之后，调用transferFrom函数来转移token。
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success){
require(_to!=address(0));
require(balanceOf[_from]>=_value);
require(balanceOf[_to]+_value>balanceOf[_to]);
require(allowed[_from][msg.sender]>_value);
balanceOf[_from]-=_value;
balanceOf[_to]+=_value;
allowed[_from][msg.sender]-=_value;
emit Transfer(_from,_to,_value);
return true;
}
//批准_spender账户从自己的账户转移_value个token。可以分多次转移。
function approve(address _spender, uint256 _value) public returns (bool success){
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender,_spender,_value);
return true;
}
//返回_spender还能提取token的个数。
function allowance(address _owner, address _spender) public view returns (uint256 remaining){
return allowed[_owner][_spender];
}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
Read Contract
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 3 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address _spender
uint256 _value
returns: bool
transfer 0xa9059cbb
address _to
uint256 _value
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool
Recent Transactions
No transactions found for this address