How to interact with Pancakeswap Prediction Smart Contract

smart-contract-interaction.js

const { default: axios } = require("axios");
const Web3 = require("web3");

const provider = "https://bsc-dataseed1.binance.org:443";

const web3 = new Web3(provider);

const contractAddress = "0x18B2A687610328590Bc8F2e5fEdDe3b582A49cdA";
 
const execute = async() => {
    const response = await axios.get(`https://api.bscscan.com/api?module=contract&action=getabi&address=${contractAddress}&apikey=YOUR_API_KEY`)
    const contract = new web3.eth.Contract(JSON.parse(response.data.result), contractAddress);
    const epoch = await contract.methods.currentEpoch().call(); // read function
    const roundData = await contract.methods.rounds(epoch).call(); // read function
    const gasPrice = await web3.eth.getGasPrice(); // blockchain utility function
    const betBullFunctionABI = contract.methods.betBull(epoch).encodeABI(); // prepare write function
    const betBearFunctionABI = contract.methods.betBear(epoch).encodeABI(); // prepare write function
    const custodialAddress = "your_address";
    const custodialAddressKey = "your_address_key";
    const account = web3.eth.accounts.privateKeyToAccount(custodialAddressKey); // used to sign transaction
    const nonce = await web3.eth.getTransactionCount(custodialAddress); // get your account nonce
    const transaction = {
        nonce,
        from: custodialAddress,
        to: contractAddress,
        gasPrice,
        gas: 5000000,
        data: betBullFunctionABI,
        value: "12008140256521106"
    } // compose transaction object
   
    const signedTransaction = await account.signTransaction(transaction); // sign transaction
    const sentTransaction = await web3.eth.sendSignedTransaction(signedTransaction.rawTransaction); // send transaction to blockchain
    console.log(sentTransaction)
    const isClaimable = await contract.methods.claimable(epoch, custodialAddress).call(); // read function
    if(isClaimable){ // recompose transaction to claim wins
        const claimFunctionABI = contract.methods.claim([epoch]).encodeABI(); // prepare write function
        const nonce = await web3.eth.getTransactionCount(custodialAddress); // get your account nonce
        const claimTransaction = {
            nonce,
            from: custodialAddress,
            to: bnbPredictionContractAddress,
            gasPrice,
            gas: 5000000,
            data: claimFunctionABI,
          }; // compose transaction object
        const signedClaimTransaction = await account.signTransaction(claimTransaction); // sign transaction
        const sentClaimTransaction = await web3.eth.sendSignedTransaction(signedClaimTransaction.rawTransaction); // send transaction to blockchain
        console.log(sentClaimTransaction)
    }
    
    
}

execute()