Transaction Hash:
Block:
10510620 at Jul-22-2020 05:47:52 PM +UTC
Transaction Fee:
0.004568480083317654 ETH
$16.81
Gas Used:
57,106 Gas / 80.000001459 Gwei
Emitted Events:
39 |
TokenERC20.Transfer( from=[Sender] 0x38be3415309fb82468aa9c66d4495200f5f760d6, to=0x2eEE88fD0448AF07CeE9770acd2bba3f3becd7F4, value=8000000000 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x04668Ec2...D451c8F7F
Miner
| (zhizhu.top) | 4,427.265775041241375828 Eth | 4,427.270343521324693482 Eth | 0.004568480083317654 | |
0x38bE3415...0F5F760D6 |
0.029981575904400486 Eth
Nonce: 11
|
0.025413095821082832 Eth
Nonce: 12
| 0.004568480083317654 | ||
0x50a6E321...80aeB0E51 |
Execution Trace
TokenERC20.transfer( _to=0x2eEE88fD0448AF07CeE9770acd2bba3f3becd7F4, _value=8000000000 )
transfer[TokenERC20 (ln:38)]
_transfer[TokenERC20 (ln:39)]
Transfer[TokenERC20 (ln:34)]
pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract TokenERC20 { string public name; string public symbol; uint8 public decimals = 4; // 18 是建议的默认值 uint256 public totalSupply; mapping (address => uint256) public balanceOf; // mapping (address => mapping (address => uint256)) public allowance; event Transfer(address indexed from, address indexed to, uint256 value); event Burn(address indexed from, uint256 value); function TokenERC20(uint256 initialSupply, string tokenName, string tokenSymbol) public { totalSupply = initialSupply * 10 ** uint256(decimals); balanceOf[msg.sender] = totalSupply; name = tokenName; symbol = tokenSymbol; } function _transfer(address _from, address _to, uint _value) internal { require(_to != 0x0); require(balanceOf[_from] >= _value); require(balanceOf[_to] + _value > balanceOf[_to]); uint previousBalances = balanceOf[_from] + balanceOf[_to]; balanceOf[_from] -= _value; balanceOf[_to] += _value; Transfer(_from, _to, _value); assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; totalSupply -= _value; Burn(msg.sender, _value); return true; } function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); require(_value <= allowance[_from][msg.sender]); balanceOf[_from] -= _value; allowance[_from][msg.sender] -= _value; totalSupply -= _value; Burn(_from, _value); return true; } }