web3.eth.abi.decodeLog - 日志解码
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2023-12-01
对ABI编码后的日志数据和索引的主题数据进行解码。
调用:
web3.eth.abi.decodeLog(inputs, hexString, topics);
参数:
- inputs - Object: A JSON interface inputs array. See the solidity documentation for a list of types.
- hexString - String: The ABI byte code in the data field of a log.
- topics - Array: An array with the index parameter topics of the log, without the topic[0] if its a non-anonymous event, otherwise with topic[0].
返回值:
Object
- 包含解码后参数的对象
示例代码:
web3.eth.abi.decodeLog([{
type: 'string',
name: 'myString'
},{
type: 'uint256',
name: 'myNumber',
indexed: true
},{
type: 'uint8',
name: 'mySmallNumber',
indexed: true
}],
'0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000748656c6c6f252100000000000000000000000000000000000000000000000000',
['0x000000000000000000000000000000000000000000000000000000000000f310', '0x0000000000000000000000000000000000000000000000000000000000000010']);
> Result {
'0': 'Hello%!',
'1': '62224',
'2': '16',
myString: 'Hello%!',
myNumber: '62224',
mySmallNumber: '16'
}