send raw transaction to cpchain testmainnet or mainnet.

sendRawTx.py

import sys
from cpc_fusion import Web3 as w

def sendRawTransactionTestMainnet():
    chainID = 42
    endpoint = "http://13.229.143.32:8501"
    myAddress = "abb528bffc707c2c507307e426ce810a7ad93ed6"
    toAddress = "abb528bffc707c2c507307e426ce810a7ad93ed6"
    keystoreFilePath = "/home/jsyqrt/go/src/bitbucket.org/cpchain/chain/examples/testmainnet/data/data22/keystore/key22"
    password = "password"
    value = 0
    data = "你好，世界".encode()
    cf = w(w.HTTPProvider(endpoint))

    sendRawTransaction(cf, chainID, myAddress, toAddress, keystoreFilePath, password, value, data)


def sendRawTransactionMainnet():
    chainID = 337
    endpoint = "http://13.229.143.32:8501"
    myAddress = "e3f205ad1f2f3ab6f8a3b70f52c4c52e36aa6c71"
    toAddress = "e3f205ad1f2f3ab6f8a3b70f52c4c52e36aa6c71"
    keystoreFilePath = "/home/ubuntu/"
    password = "password"
    value = 0
    data = b""
    cf = w(w.HTTPProvider(endpoint))

    sendRawTransaction(cf, chainID, myAddress, toAddress, keystoreFilePath, password, value, data)


def sendRawTransaction(cf, chainID, myAddress, toAddress, keystoreFilePath, password, value, data):
    # check balance
    from_addr = cf.toChecksumAddress(myAddress)
    print("from address", from_addr)
    print("balance", cf.cpc.getBalance(from_addr))

    # read keystore file
    with open(keystoreFilePath) as keyfile:
        encrypted_key = keyfile.read()
    print("keystore file", encrypted_key)

    # decrypt private key
    privKey = cf.cpc.account.decrypt(encrypted_key, password)
    print("private key", privKey)

    # get toAddress
    to_addr = cf.toChecksumAddress(toAddress)
    print("to address", to_addr)

    # get gas price
    gas_price = cf.cpc.gasPrice
    print("gasPrice", gas_price)

    # get nonce
    nonce = cf.cpc.getTransactionCount(from_addr)
    print("nonce", nonce)

    # compose the tx
    tx_dict = dict(
        type=0,
        nonce=nonce,
        gasPrice=gas_price,
        gas=90000,
        to=to_addr,
        value=value,
        data=data,
        chainId=chainID,
    )

    # sign the tx with priv key
    signed_txn = cf.cpc.account.signTransaction(tx_dict, privKey)
    print("signed txn", signed_txn)

    tx_hash = cf.cpc.sendRawTransaction(signed_txn.rawTransaction)
    print("send tx", cf.toHex(tx_hash))

    receipt = cf.cpc.waitForTransactionReceipt(tx_hash)
    print("receipt", receipt)


if __name__ == '__main__':
    sendRawTransactionTestMainnet()