Created
August 20, 2024 16:00
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A python script which sends bulk transaction to a list of addresses in Pactus network
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| import random | |
| import grpc | |
| import json | |
| from pactus.crypto import CryptoConfig | |
| from pactus.crypto.address import Address | |
| from pactus.crypto.bls.private_key import PrivateKey | |
| from pactus.transaction.transaction import Transaction | |
| from pactus.types.amount import Amount | |
| from pactus.rpc.transaction_pb2_grpc import TransactionStub | |
| from pactus.rpc.blockchain_pb2_grpc import BlockchainStub | |
| from pactus.rpc.blockchain_pb2 import ( | |
| GetBlockchainInfoRequest, | |
| GetBlockchainInfoResponse, | |
| ) | |
| from pactus.rpc.transaction_pb2 import BroadcastTransactionRequest | |
| # Get last block height from network | |
| def height(stub: BlockchainStub): | |
| res: GetBlockchainInfoResponse = stub.GetBlockchainInfo(GetBlockchainInfoRequest()) | |
| return res.last_block_height | |
| def main() -> None: | |
| # Initialize crypto config and gRPC connections | |
| CryptoConfig.use_testnet() | |
| channel = grpc.insecure_channel( | |
| "testnet1.pactus.org:50052" | |
| ) # Replace with your preferred address | |
| t_stub = TransactionStub(channel) | |
| b_stub = BlockchainStub(channel) | |
| # Addresses and transactions list | |
| transaction_ids = [] | |
| addresses = [] | |
| with open("address.json", "r") as file: | |
| addresses = json.load(file) | |
| # Fixed memo and fee | |
| memo = "This is a test transaction" | |
| fee = Amount.from_string("0.01") | |
| # Sender address info | |
| sender = Address.from_string("Your address here") | |
| sec = PrivateKey.from_string( | |
| "Your private key here" | |
| ) | |
| # Last blockchain height | |
| lbh = height(b_stub) | |
| # Loop over all address | |
| for addr in addresses: | |
| # Generate random amounts | |
| random_float = random.uniform(0, 1.5) # Replace with your preferred numbers | |
| amount = Amount.from_nano_pac(random_float) | |
| # Drive receiver address from string | |
| receiver = Address.from_string(addr) | |
| # Creating and signing transaction | |
| tx = Transaction.create_transfer_tx(lbh, sender, receiver, amount, fee, memo) | |
| signed_tx = tx.sign(sec) | |
| # Broadcasting transaction | |
| req = BroadcastTransactionRequest(signed_raw_transaction=signed_tx) | |
| tx_id = t_stub.BroadcastTransaction(req) | |
| # Adding transaction ID to list | |
| transaction_ids.append(tx_id) | |
| # Printing transaction ID | |
| print(f"Transaction sent: {tx_id}") | |
| # Save sent transaction IDs into a file | |
| with open("transactions.json", "w") as file: | |
| json.dump(transaction_ids, file) | |
| if __name__ == "__main__": | |
| main() |
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