Basic Web3 Smart Contract Interaction

console.

// Buy with BNB or some other asset

const purchase = async () => {
    const web3 = window.web3; // Create instance of Web3
    const contract = new web3.eth.Contract(ABI, CONTRACT_ADDRESS); // Create contract config
    const gasPrice = await web3.eth.getGasPrice(); // Get gas price
    const price = await contract.methods.getBnbPrice().call(); // Reetrieve Token/NFT price from contract
  
    // Missing many validation process TODO
    
  // Begin purchase transaction 
    const purchase = await contract.methods.purchase().send({
        from: account,
        gas: 200000,
        value: price,
        gasPrice: gasPrice
    });

    console.log(purchase);
}

// Buy with TOKEN

const purchase = async () => {
    const web3 = window.web3;
    const contract = new web3.eth.Contract(ABI, CONTRACT_ADDRESS);
    const gasPrice = await web3.eth.getGasPrice();
    const price = await contract.methods.getTokenPrice().call();

    const purchase = await contract.methods.purchaseWithToken(price).send({
        from: account,
        gas: 200000,
        value: price,
        gasPrice: gasPrice
    });

    console.log(purchase);
}


// Retrieve quantity of user tokens

const purchase = async () => {
    const web3 = window.web3;
    const contract = new web3.eth.Contract(ABI, CONTRACT_ADDRESS);
    const countPioneer = await contract.methods.pioneerCount().call();

    console.log(countPioneer);
}


// Fetch all TOKENS/NFTs of user

const purchase = async () => {
    const web3 = window.web3;

    const contract = new web3.eth.Contract(ABI, CONTRACT_ADDRESS);
    const allTokens = await contract.methods.tokensOfWalletOwner().call();

    console.log(allTokens);
}