Ethersacn的交易数据是什么样的（2）

分析 Raw Transanction

RLP（Recursive Length Prefix）是一种以太坊中用于序列化数据的编码方式。它被用于将各种数据结构转换为二进制格式，以便在以太坊中传输和存储。RLP 是一种递归的编码方式，允许对复杂的数据结构进行编码。所以分析交易数据就是对数据进行RLP解码

选取一个交易

获取的数据如下:

0x02f87283aa36a707843b9aca00847735940083030d40946e006ce71555b03de544f984a0ac28a72b528d52843b9aca0080c001a098abbcc6169baaa6491235d0cee189f6ca97b2f70ed5ec05b8c06780112d507da003320b01aadd5ab06e22fa52e03a70e53020e978e089a17368203ac0acbce3e5
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代码解析

import rlp
from web3 import Web3

## chainId
## nonce
## value
## maxFeePerGas
## gasLimit
## to
## maxPriorityFeePerGas
## v
## r
## s

data_list = []


def decode(i):
    for j in i:
        if j is list:
            decode(j)
        else:
            if len(j) == 0:
                data_list.append('')
            else:
                data_list.append(j.hex())


if __name__ == "__main__":
    raw = 'f87283aa36a707843b9aca00847735940083030d40946e006ce71555b03de544f984a0ac28a72b528d52843b9aca0080c001a098abbcc6169baaa6491235d0cee189f6ca97b2f70ed5ec05b8c06780112d507da003320b01aadd5ab06e22fa52e03a70e53020e978e089a17368203ac0acbce3e5' # 这里开头没有0x02，因为0x02是一个交易版本标识，并不参与RLP编码
    decode(rlp.decode(Web3.to_bytes(hexstr=raw)))
    print("chainId:".ljust(30), data_list[0])
    print("nonce:".ljust(30), data_list[1])
    print("value:".ljust(30), data_list[2])
    print("maxFeePerGas:".ljust(30), data_list[3])
    print("gasLimit:".ljust(30), data_list[4])
    print("to:".ljust(30), data_list[5])
    print("maxPriorityFeePerGas:".ljust(30), data_list[6])
    print("method1:", data_list[7])
    print("method2:", data_list[8])
    print("v:".ljust(30), data_list[9])
    print("r:".ljust(30), data_list[10])
    print("s:".ljust(30), data_list[11])
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源码地址: Gitee

输出结果:

chainId:                       aa36a7
nonce:                         07
value:                         3b9aca00
maxFeePerGas:                  77359400
gasLimit:                      030d40
to:                            6e006ce71555b03de544f984a0ac28a72b528d52
maxPriorityFeePerGas:          3b9aca00
method1: 
method2: 
v:                             01
r:                             98abbcc6169baaa6491235d0cee189f6ca97b2f70ed5ec05b8c06780112d507d
s:                             03320b01aadd5ab06e22fa52e03a70e53020e978e089a17368203ac0acbce3e5
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输出结果分析

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