1. 常见例如交易:transfer(address,uint256) 编码为:
东方鲎web3.sha3("transfer(address,uint256)").substring(0,10) ->"0xa9059cbb"
2. 余额查询:balanceOf(address)
编码为:
唯物主义认识论web3.sha3("balanceOf(address)").substring(0,10) ->"0x70a08231"
transfer(address,uint256): 0xa9059cbb
jy银行balanceOf(address):0x70a08231
decimals():0x313ce567
敦煌学大辞典allowance(address,address): 0xdd62ed3e
陈宝成事件
symbol():0x95d89b41三区革命
totalSupply():0x18160ddd
name():0x06fdde03
approve(address,uint256):0x095ea7b3
transferFrom(address,address,uint256): 0x23b872dd