mint.py

from web3 import Web3
from web3.middleware import geth_poa_middleware

import json

from dotenv import load_dotenv
load_dotenv()

w3 = Web3(Web3.HTTPProvider('https://eth-rinkeby.alchemyapi.io/v2/6lJHOoOVZKr0udaYPNSBuq_yYVaT_Hpd'))
w3.middleware_onion.inject(geth_poa_middleware, layer=0)

pymintscontractabi = [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":False,"inputs":[{"indexed":True,"internalType":"address","name":"account","type":"address"},{"indexed":True,"internalType":"address","name":"operator","type":"address"},{"indexed":False,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":False,"inputs":[{"indexed":True,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":True,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":False,"inputs":[{"indexed":True,"internalType":"address","name":"operator","type":"address"},{"indexed":True,"internalType":"address","name":"from","type":"address"},{"indexed":True,"internalType":"address","name":"to","type":"address"},{"indexed":False,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":False,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":False,"inputs":[{"indexed":True,"internalType":"address","name":"operator","type":"address"},{"indexed":True,"internalType":"address","name":"from","type":"address"},{"indexed":True,"internalType":"address","name":"to","type":"address"},{"indexed":False,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":False,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":False,"inputs":[{"indexed":False,"internalType":"string","name":"value","type":"string"},{"indexed":True,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[],"name":"MAXID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"destroyContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"minted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"withdrawMoney","outputs":[],"stateMutability":"nonpayable","type":"function"}]
pymintscontractaddress = Web3.toChecksumAddress('0x5b26DE54d4A6B482682bf95f48aA10C3a16AeA0E')
pymintscontract = w3.eth.contract(address=pymintscontractaddress, abi=pymintscontractabi)

def generate_donate_transaction(from_address):
    return json.dumps({
        'nonce': str(w3.eth.get_transaction_count(Web3.toChecksumAddress(from_address))),
        'from': from_address,
        'to': '0x18181F285D95135F400b5710650a66C6De9aF3ce',
        'value': str(Web3.toWei(0.1, 'ether')),
        'data': '',
        'gasLimit': '0'
        })

def generate_mintbyid_transaction(from_address, id):
    print(pymintscontract.functions.price().call())
    tx = pymintscontract.functions.mint(int(id)).build_transaction({
        'nonce': str(w3.eth.get_transaction_count(Web3.toChecksumAddress(from_address))),
        "value": str(Web3.toHex(pymintscontract.functions.price().call())), 
        'gasLimit': '0',
        'from': Web3.toChecksumAddress(from_address),
        })
    for key in ['gas', 'maxFeePerGas', 'maxPriorityFeePerGas', 'chainId']: 
        del tx[key]
    return tx

def get_current_price():
    return str(Web3.fromWei(pymintscontract.functions.price().call(), 'ether'))

def get_unminted():
    total_unminted = 0
    for nftid in range(0,pymintscontract.functions.MAXID().call()+1):
        total_unminted += (1 - pymintscontract.functions.minted(nftid).call())
    return str(total_unminted)