0x15F1FCFD63656620BF58E2347B3504D6B92C70ED로 1wei를 보내는 코드

legacyTx.py

import rlp
import secp256k1
from Crypto.Hash import keccak
import requests

GWEI = 1000000000

PRIV_KEY = bytes.fromhex(
    ""
)

MY_ADDR = "0x"

#####
ecdsa = secp256k1.ECDSA()

def keccak256(data: bytes):
    k = keccak.new(digest_bits=256)
    k.update(data)
    return k.digest()


def getEthereumAccountAddress(pubKey: secp256k1.PublicKey):
    # uncompressed, 0x04 제거, 하위 20바이트
    return keccak256(pubKey.serialize(False)[1:])[-20:].hex()


def sign(priv: secp256k1.PrivateKey, data: bytes, chainId):
    sig = priv.ecdsa_sign_recoverable(keccak256(data), True)
    A, v = priv.ecdsa_recoverable_serialize(sig)
    assert len(A) == 64

    # EIP155 (LegacyTx)
    v += chainId * 2 + 35
    r = A[:32]
    s = A[32:]

    return v, r, s


def ecrecover(msg, v, r, s, chainId):
    v -= 35
    v -= chainId * 2

    sig = ecdsa.ecdsa_recoverable_deserialize(r + s, v)

    pubKey = ecdsa.ecdsa_recover(keccak256(msg), sig, True)
    pubKey = secp256k1.PublicKey(pubKey)

    return pubKey


def ecrecoverTx(nonce, gasPrice, gasLimit, to, value, data, v, r, s, chainId):
    # EIP155 (LegacyTx)
    tx = rlp.encode([nonce, gasPrice, gasLimit, to, value, data, chainId, 0, 0])
    return ecrecover(tx, v, r, s, chainId)


def makeLegacyTx(priv, nonce, gasPrice, gasLimit, to, value, data, chainId):
    tx = rlp.encode([nonce, gasPrice, gasLimit, to, value, data, chainId, 0, 0])
    v, r, s = sign(priv, tx, chainId)

    return rlp.encode([nonce, gasPrice, gasLimit, to, value, data, v, r, s])
#####


#####
def getNonce(add):
    res = requests.get(
        "https://rpc2.sepolia.org",
        json={
            "jsonrpc": "2.0",
            "method": "eth_getTransactionCount",
            "params": [add, "latest"],
            "id": 1,
        },
    ).json()

    return int(res["result"], 16)
#####

pk = secp256k1.PrivateKey(PRIV_KEY)
nonce = getNonce(MY_ADDR)

tx = makeLegacyTx(
    pk,
    nonce,
    2 * GWEI,
    21000,
    0x15F1FCFD63656620BF58E2347B3504D6B92C70ED,
    1,
    0,
    0xAA36A7,
)

res = requests.get(
    "https://rpc2.sepolia.org",
    json={
        "jsonrpc": "2.0",
        "method": "eth_sendRawTransaction",
        "params": ["0x" + tx.hex()],
        "id": 1,
    },
)

print(res.json())