BSC 链上 BNB 代币 LP 质押挖矿分红系统开发【源码实例】

# 引入必要的库  from bscscan import BscScanAPI  from web3 import Web3    # 初始化BSCscan API和Web3  bsc_scan = BscScanAPI()  web3 = Web3(Web3.HTTPProvider('https://bsc-api.binance.org/'))    # 获取BNB智能合约  bnb_contract = bsc_scan.get_contract('0x9fc6d59a80e405a03999d4e8545a7a259a24dc6f')    # 定义质押函数  def stake_lp(sender, receiver, amount):      nonce = web3.eth.get_transaction_count(sender)      data = bnb_contract.functions.stake(amount).encodeABI(【更全面的开发源码搭建可看我昵称】)      tx = {          'to': bnb_contract.address,          'data': data,          'from': sender,          'value': 0,          'gas': 2000000,          'gasPrice': 2000000000,          'nonce': nonce      }      signed_tx = web3.eth.account.sign_transaction(tx, sender)      tx_hash = web3.eth.send_raw_transaction(signed_tx.rawTransaction)      tx_receipt = web3.eth.get_transaction_receipt(tx_hash)      return tx_receipt['logs'][0]['topics'][0]    # 调用质押函数并获取LP代币的地址  lp_token_address = bnb_contract.functions.lpToken().call()    # 发送LP代币到质押合约  【更全面的开发源码搭建可看我昵称】lp_token = web3.eth.contract(address=lp_token_address, abi=None)  nonce = web3.eth.get_transaction_count(sender)  tx = {      'to': bnb_contract.address,      'data': lp_token.functions.approve(bnb_contract.address, amount).encodeABI(),      'from': sender,      'value': 0,      'gas': 2000000,      'gasPrice': 2000000000,      'nonce': nonce  }  signed_tx = web3.eth.account.sign_transaction(tx, sender)  tx_hash = web3.eth.send_raw_transaction(signed_tx.rawTransaction)  tx_receipt = web3.eth.get_transaction_receipt(tx_hash)  print(tx_receipt['logs'][0]['topics']