eth_usdc_txn.py

import random
import time
from datetime import datetime, timedelta
from web3.middleware import geth_poa_middleware
from decimal import Decimal

from web3 import Web3

file_path = '.eth_usdc_txn.txt'
# Connect to the Sepolia testnet node (e.g., Infura or a local node)
sepolia_url = "https://sepolia.infura.io/v3/c0638e7428714869b76a5eb75782a312"
# Example usage
min_amount = 0.03  # Minimum amount of USDC to send
max_amount = 0.3  # Maximum amount of USDC to send
# Addresses and private key
sender_address = "0xDDd37E3B9d7555Bd4fcbFdCD707BeeB6aCEc713c"
private_key = "9e5e00e5a49afff82500201065fde1e7d955c7dfd83a37b198a90ccb04b097f2"

# List of 10 addresses
addresses = [
    "0xd36214e2aB7482B124174864651542F4C801F1a7", "0x5017A97f305Ba77a3314397656b573fbF7a961A4", "0x1979d2c742F4e0e23a05f3D33C0dDC9eAE84BE25", "0xCA3E8b309321E345c20247D24C270c38Ff199663",
    "0xF573c22aD6A0d32cd4512B6CcdF9A24D8732CcAC", "0xd0BD25eF454dE6ddBF38cd8F60167506845DD8B5", "0x6c5A6c2F92dd556E1EA8496e5421676cd22b9030", "0x4223c55c2Af9f23Ae21dDe4e62e11895C11C4417", "0xe44285C9e85bD39BC7b5352Addac9F92F267760D", "0x630000a5BeC3DF01dc620a9e570a322ABD096E0B", "0x37D5EE8106b02E95D1E09FBf23f1A5A3ce262C37", "0x4dD32625F8152790CD48Eb201abB1054632F7d52", "0x05A252087843124FEA088c1Bfd2B1D41f9b68104", "0xB6fe1C93F587d4617Df8FEc59874Bc76E83c2cb1", "0xa06102438d90BB2b748aF0A2281e9e822fe0cE5b"
]

random_posts = [False,  True, False, False, False, True, False, False, False, False]

web3 = Web3(Web3.HTTPProvider(sepolia_url))
web3.middleware_onion.inject(geth_poa_middleware, layer=0)

# Check if the connection is successful
if not web3.is_connected():
    raise Exception("Failed to connect to the Sepolia network")


# USDC contract address on Sepolia
usdc_contract_address = "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238"

# USDC contract ABI (simplified)
usdc_abi = '''
[
    {
        "constant": false,
        "inputs": [
            {
                "name": "_to",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "transfer",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [
            {
                "name": "_owner",
                "type": "address"
            }
        ],
        "name": "balanceOf",
        "outputs": [
            {
                "name": "balance",
                "type": "uint256"
            }
        ],
        "type": "function"
    }
]
'''


def save_current_timestamp_to_file() -> None:
    current_time = datetime.now()
    with open(file_path, 'w') as file:
        file.write(current_time.isoformat())

def get_timestamp_from_file() -> datetime:
    try:
        with open(file_path, 'r') as file:
            timestamp_str = file.read().strip()
            return datetime.fromisoformat(timestamp_str)
    except Exception:
        return datetime.now() - timedelta(days=1)

def proceed_if_time_exceeds_tem_min() -> bool:
    try:
        saved_timestamp = get_timestamp_from_file()
        current_time = datetime.now()
        time_difference = current_time - saved_timestamp
        if time_difference > timedelta(minutes=10):
            return True
        else:
            return False
    except FileNotFoundError:
        print("Timestamp file not found. Please save a timestamp first.")
        return False

# Create the contract instance
usdc_contract = web3.eth.contract(address=usdc_contract_address, abi=usdc_abi)

def get_random_amount(min_amount, max_amount):
    return Decimal(random.uniform(float(min_amount), float(max_amount)))

# Function to estimate the gas fee in ETH
def estimate_gas_fee(tx):
    gas_estimate = web3.eth.estimate_gas(tx)
    gas_price = web3.eth.gas_price  # Current gas price in wei
    gas_fee = gas_estimate * gas_price  # Gas fee in wei
    return web3.from_wei(gas_fee, 'ether'), gas_estimate, gas_price

# Function to check USDC balance
def check_balance(address):
    balance = usdc_contract.functions.balanceOf(address).call()
    return Decimal(balance) / Decimal(10 ** 6)

# Function to send USDC
def send_usdc1(sender, recipient, amount, private_key, nonce):
    amount_in_wei = int(amount * (10 ** 6))

    tx = usdc_contract.functions.transfer(recipient, amount_in_wei).build_transaction({
        'chainId': 11155111,  # Sepolia testnet chain ID
        'gas': 70000,  # Initial gas limit estimate
        'gasPrice': web3.eth.gas_price,  # Current gas price in wei
        'nonce': nonce,
        'from': sender  # Ensure the sender address is set
    })

    gas_fee, gas_estimate, gas_price = estimate_gas_fee(tx)
    print(
        f"Estimated gas fee: {gas_fee} ETH (Gas estimate: {gas_estimate}, Gas price: {web3.from_wei(gas_price, 'gwei')} Gwei)")

    tx['gas'] = gas_estimate  # Update the gas limit with the estimate
    signed_tx = web3.eth.account.sign_transaction(tx, private_key)
    tx_hash = web3.eth.send_raw_transaction(signed_tx.rawTransaction)

    return tx_hash

def send_usdc(sender, recipient, amount, private_key, nonce):
    amount_in_wei = int(amount * (10 ** 6))  # Convert USDC to the correct decimal place

    # Build the transaction
    tx = usdc_contract.functions.transfer(recipient, amount_in_wei).build_transaction({
        'chainId': 11155111,  # Sepolia testnet chain ID
        'gas': 70000,  # Initial gas limit estimate
        'gasPrice': web3.eth.gas_price,  # Current gas price in wei
        'nonce': nonce,
        'from': sender  # Ensure the sender address is set
    })

    # Estimate gas fee
    gas_fee, gas_estimate, gas_price = estimate_gas_fee(tx)
    gas_fee_in_eth = web3.from_wei(gas_fee, 'ether')  # Convert gas fee to ETH

    print(f"Estimated gas fee: {gas_fee_in_eth} ETH (Gas estimate: {gas_estimate}, Gas price: {web3.from_wei(gas_price, 'gwei')} Gwei)")

    # Condition to check if gas fee is <= 0.001 ETH
    if gas_fee_in_eth >= 0.0005:
        print("Gas fee is too high, skipping the transaction.")
        return None

    # If gas fee is acceptable, proceed with the transaction
    tx['gas'] = gas_estimate  # Update the gas limit with the estimate
    signed_tx = web3.eth.account.sign_transaction(tx, private_key)
    tx_hash = web3.eth.send_raw_transaction(signed_tx.rawTransaction)

    return tx_hash


# Main function to send USDC to 5 random addresses
def send_usdc_to_random_addresses(sender, addresses, min_amount, max_amount, private_key):
    if proceed_if_time_exceeds_tem_min():
        random_post = random.sample(random_posts, 1)
        if random_post[0]:
            balance = check_balance(sender)
            print(f"Sender's USDC balance: {balance} USDC")

            selected_addresses = random.sample(addresses, 1)
            nonce = web3.eth.get_transaction_count(sender)
            for address in selected_addresses:
                amount = get_random_amount(min_amount, max_amount)
                if amount > balance:
                    print(f"Insufficient balance to send {amount:.6f} USDC to {address}. Skipping...")
                    continue
                tx_hash = send_usdc(sender, address, amount, private_key, nonce)
                print(f"Sent {amount:.6f} USDC to {address}. Transaction hash: {web3.to_hex(tx_hash)}")
                balance -= amount
                nonce += 1  # Increment the nonce for the next transaction
                time.sleep(1)  # Add a short delay between transactions to avoid nonce issues
            save_current_timestamp_to_file()
        else:
            print("skipping..")


send_usdc_to_random_addresses(sender_address, addresses, min_amount, max_amount, private_key)