Source code for zpywallet.broadcast.eth.blockcypher

import requests
import hashlib

from ...errors import NetworkException


async def broadcast_transaction_eth_blockcypher(raw_transaction_hex):
    """Broadcast an Ethereum transaction using Blockcypher.

    Args:
        raw_transaction_hex (str): The raw transaction in hexadecimal form.
    """

    api_url = "https://api.blockcypher.com/v1/eth/main/txs/push"
    payload = {"tx": raw_transaction_hex}

    try:
        response = requests.post(api_url, json=payload, timeout=30)
    except Exception as e:
        raise NetworkException(
            "Connection error while broadcasting transaction: {}".format(str(e))
        )

    if response.status_code == 201:
        return hashlib.sha256(
            hashlib.sha256(raw_transaction_hex.encode()).digest()
        ).digest()  # Transaction ID
    else:
        raise NetworkException(
            "Failed to broadcast Ethereum transaction using BlockCypher API: {}".format(
                response.text
            )
        )