Create and Transfer an NFT using a Solidity Contract

package _nft_hscs_hts.hedera;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Objects;
import java.util.concurrent.TimeoutException;

import com.hedera.hashgraph.sdk.*;
import io.github.cdimascio.dotenv.Dotenv;

public class Deploy {
    private static AccountId accountCreator(PrivateKey pvKey, int iBal, Client client)
            throws TimeoutException, PrecheckStatusException, ReceiptStatusException {
        AccountCreateTransaction transaction = new AccountCreateTransaction()
                .setKey(pvKey.getPublicKey())
                .setMaxAutomaticTokenAssociations(10)
                .setInitialBalance(new Hbar(iBal));

        TransactionResponse txResponse = transaction.execute(client);

        TransactionReceipt receipt = txResponse.getReceipt(client);

        return receipt.accountId;

    }

    public static void main(String[] args)
            throws TimeoutException, PrecheckStatusException, ReceiptStatusException, IOException {
        // ipfs URI
        String metadata = ("ipfs://bafyreie3ichmqul4xa7e6xcy34tylbuq2vf3gnjf7c55trg3b6xyjr4bku/metadata.json");
        byte[][] byteArray = new byte[1][metadata.length()];
        byteArray[0] = metadata.getBytes();

        AccountId operatorId = AccountId.fromString(Objects.requireNonNull(Dotenv.load().get("ACCOUNT_ID")));
        PrivateKey operatorKey = PrivateKey.fromString(Objects.requireNonNull(Dotenv.load().get("PRIVATE_KEY")));

        Client client = Client.forTestnet();
        client.setOperator(operatorId, operatorKey);

        PrivateKey aliceKey = PrivateKey.generateECDSA();
        AccountId aliceId = accountCreator(aliceKey, 100, client);
        System.out.print(aliceId);

        String bytecode = Files.readString(Paths.get("./NFTCreator_sol_NFTCreator.bin"));

        // Create contract
        ContractCreateFlow createContract = new ContractCreateFlow()
                .setBytecode(bytecode) // Contract bytecode
                .setGas(4_000_000); // Increase if revert

        TransactionResponse createContractTx = createContract.execute(client);
        TransactionReceipt createContractRx = createContractTx.getReceipt(client);
        // Get the new contract ID
        ContractId newContractId = createContractRx.contractId;

        System.out.println("Contract created with ID: " + newContractId);

        // Create NFT using contract
        ContractExecuteTransaction createToken = new ContractExecuteTransaction()
                .setContractId(newContractId) // Contract id
                .setGas(4_000_000) // Increase if revert
                .setPayableAmount(new Hbar(50)) // Increase if revert
                .setFunction("createNft", new ContractFunctionParameters()
                        .addString("Fall Collection") // NFT Name
                        .addString("LEAF") // NFT Symbol
                        .addString("Just a memo") // NFT Memo
                        .addInt64(250) // NFT max supply
                        .addInt64(7_000_000)); // Expiration: Needs to be between 6999999 and 8000001

        TransactionResponse createTokenTx = createToken.execute(client);
        TransactionRecord createTokenRx = createTokenTx.getRecord(client);

        String tokenIdSolidityAddr = createTokenRx.contractFunctionResult.getAddress(0);
        AccountId tokenId = AccountId.fromSolidityAddress(tokenIdSolidityAddr);

        System.out.println("Token created with ID: " + tokenId);

        // Mint NFT
        ContractExecuteTransaction mintToken = new ContractExecuteTransaction()
                .setContractId(newContractId)
                .setGas(4_000_000)
                .setMaxTransactionFee(new Hbar(20)) // Use when HBAR is <10 cents
                .setFunction("mintNft", new ContractFunctionParameters()
                        .addAddress(tokenIdSolidityAddr) // Token address
                        .addBytesArray(byteArray)); // Metadata

        TransactionResponse mintTokenTx = mintToken.execute(client);
        TransactionRecord mintTokenRx = mintTokenTx.getRecord(client);
        // NFT serial number
        long serial = mintTokenRx.contractFunctionResult.getInt64(0);

        System.out.println("Minted NFT with serial: " + serial);

        // Transfer NFT to Alice
        ContractExecuteTransaction transferToken = new ContractExecuteTransaction()
                .setContractId(newContractId)
                .setGas(4_000_000)
                .setFunction("transferNft", new ContractFunctionParameters()
                        .addAddress(tokenIdSolidityAddr) // Token id
                        .addAddress(aliceId.toSolidityAddress()) // Token receiver (Alice)
                        .addInt64(serial)) // Serial number
                .freezeWith(client) // Freeze transaction using client
                .sign(aliceKey); // Sign using Alice Private Key

        TransactionResponse transferTokenTx = transferToken.execute(client);
        TransactionReceipt transferTokenRx = transferTokenTx.getReceipt(client);

        System.out.println("Transfer status: " + transferTokenRx.status);

    }
}

console.clear();
require("dotenv").config();
const fs = require("fs");
const {
  AccountId,
  PrivateKey,
  Client,
  ContractCreateFlow,
  ContractExecuteTransaction,
  ContractFunctionParameters,
  AccountCreateTransaction,
  Hbar,
} = require("@hiero-ledger/sdk");

// ipfs URI
metadata =
  "ipfs://bafyreie3ichmqul4xa7e6xcy34tylbuq2vf3gnjf7c55trg3b6xyjr4bku/metadata.json";

const operatorKey = PrivateKey.fromString(process.env.OPERATOR_KEY);
const operatorId = AccountId.fromString(process.env.OPERATOR_ID);

const client = Client.forTestnet().setOperator(operatorId, operatorKey);

// Account creation function
async function accountCreator(pvKey, iBal) {
  const response = await new AccountCreateTransaction()
    .setInitialBalance(new Hbar(iBal))
    .setKey(pvKey.publicKey)
    .setMaxAutomaticTokenAssociations(10)
    .execute(client);
  const receipt = await response.getReceipt(client);
  return receipt.accountId;
}

const main = async () => {
  // Init Alice account
  const aliceKey = PrivateKey.generateECDSA();
  const aliceId = await accountCreator(aliceKey, 100);

  const bytecode = fs.readFileSync("./NFTCreator_sol_NFTCreator.bin");

  // Create contract
  const createContract = new ContractCreateFlow()
    .setGas(4000000) // Increase if revert
    .setBytecode(bytecode); // Contract bytecode
  const createContractTx = await createContract.execute(client);
  const createContractRx = await createContractTx.getReceipt(client);
  const contractId = createContractRx.contractId;

  console.log(`Contract created with ID: ${contractId} \n`);

  // Create NFT from precompile
  const createToken = new ContractExecuteTransaction()
    .setContractId(contractId)
    .setGas(4000000) // Increase if revert
    .setPayableAmount(50) // Increase if revert
    .setFunction(
      "createNft",
      new ContractFunctionParameters()
        .addString("Fall Collection") // NFT name
        .addString("LEAF") // NFT symbol
        .addString("Just a memo") // NFT memo
        .addInt64(250) // NFT max supply
        .addInt64(7000000) // Expiration: Needs to be between 6999999 and 8000001
    );
  const createTokenTx = await createToken.execute(client);
  const createTokenRx = await createTokenTx.getRecord(client);
  const tokenIdSolidityAddr =
    createTokenRx.contractFunctionResult.getAddress(0);
  const tokenId = AccountId.fromSolidityAddress(tokenIdSolidityAddr);

  console.log(`Token created with ID: ${tokenId} \n`);

  // Mint NFT
  const mintToken = new ContractExecuteTransaction()
    .setContractId(contractId)
    .setGas(4000000)
    .setMaxTransactionFee(new Hbar(20)) //Use when HBAR is under 10 cents
    .setFunction(
      "mintNft",
      new ContractFunctionParameters()
        .addAddress(tokenIdSolidityAddr) // Token address
        .addBytesArray([Buffer.from(metadata)]) // Metadata
    );
  const mintTokenTx = await mintToken.execute(client);
  const mintTokenRx = await mintTokenTx.getRecord(client);
  const serial = mintTokenRx.contractFunctionResult.getInt64(0);

  console.log(`Minted NFT with serial: ${serial} \n`);

  // Transfer NFT to Alice
  const transferToken = await new ContractExecuteTransaction()
    .setContractId(contractId)
    .setGas(4000000)
    .setFunction(
      "transferNft",
      new ContractFunctionParameters()
        .addAddress(tokenIdSolidityAddr) // Token address
        .addAddress(aliceId.toSolidityAddress()) // Token receiver (Alice)
        .addInt64(serial)
    ) // NFT serial number
    .freezeWith(client) // freezing using client
    .sign(aliceKey); // Sign transaction with Alice
  const transferTokenTx = await transferToken.execute(client);
  const transferTokenRx = await transferTokenTx.getReceipt(client);

  console.log(`Transfer status: ${transferTokenRx.status} \n`);
};

main();

package main

import (
	"encoding/hex"
	"fmt"
	"io/ioutil"
	"os"

	hedera "github.com/hiero-ledger/hiero-sdk-go/v2/sdk"
	"github.com/joho/godotenv"
)

func main() {
	godotenv.Load("../.env")

	metadata := "ipfs://bafyreie3ichmqul4xa7e6xcy34tylbuq2vf3gnjf7c55trg3b6xyjr4bku/metadata.json"
	bytesArray := [][]byte{}
	bytesArray = append(bytesArray, []byte(metadata))

	err := godotenv.Load(".env")
	if err != nil {
		panic(fmt.Errorf("Unable to load environment variables from .env file. Error:n%v\n", err))
	}

	//Grab your testnet account ID and private key from the .env file
	operatorId, err := hedera.AccountIDFromString(os.Getenv("ACCOUNT_ID"))
	if err != nil {
		panic(err)
	}

	operatorKey, err := hedera.PrivateKeyFromString(os.Getenv("PRIVATE_KEY"))
	if err != nil {
		panic(err)
	}

	//Create your testnet client
	client := hedera.ClientForTestnet()
	client.SetOperator(operatorId, operatorKey)

	aliceKey, err := hedera.PrivateKeyGenerateEcdsa()
	if err != nil {
		panic(err)
	}

	//Create the transaction
	accountCreate := hedera.NewAccountCreateTransaction().
		SetKey(aliceKey.PublicKey()).
		//Do NOT set an alias if you need to update/rotate keys in the future
		SetMaxAutomaticTokenAssociations(10).
		SetInitialBalance(hedera.NewHbar(100))

	//Sign the transaction with the client operator private key and submit to a Hedera network
	accountCreateSubmit, err := accountCreate.Execute(client)
	if err != nil {
		panic(err)
	}

	//Request the receipt of the transaction
	accountCreateReceipt, err := accountCreateSubmit.GetReceipt(client)
	if err != nil {
		panic(err)
	}

	//Get the account ID
	aliceAccountId := *accountCreateReceipt.AccountID

	// Make sure to close client after running
	defer func() {
		err = client.Close()
		if err != nil {
			println(err.Error(), ": error closing client")
			return
		}
	}()

	// Read bytecode
	bytecode, err := ioutil.ReadFile("./NFTCreator_sol_NFTCreator.bin")
	if err != nil {
		println(err.Error(), ": error reading bytecode")
		return
	}

	//Create the transaction
	createContract := hedera.NewContractCreateFlow().
		SetGas(4000000).
		SetBytecode([]byte(bytecode))

	//Sign the transaction with the client operator key and submit to a Hedera network
	txResponse, err := createContract.Execute(client)
	if err != nil {
		panic(err)
	}

	//Request the receipt of the transaction
	receipt, err := txResponse.GetReceipt(client)
	if err != nil {
		panic(err)
	}

	//Get the contract ID
	newContractId := *receipt.ContractID

	fmt.Printf("The new contract ID is %v\n", newContractId)

	contractParams := hedera.NewContractFunctionParameters().
		AddString("Fall Collection"). // NFT name
		AddString("LEAF").            // NFT symbol
		AddString("Just a memo").     // NFT memo
		AddInt64(250).                // NFT max supply
		AddInt64(7000000)             // Expiration: Needs to be between 6999999 and 8000001
	//Create NFT
	createToken, err := hedera.NewContractExecuteTransaction().
		//The contract ID
		SetContractID(newContractId).
		//The max gas
		SetGas(4000000).
		SetPayableAmount(hedera.NewHbar(50)).
		//The contract function to call and parameters
		SetFunction("createNft", contractParams).
		Execute(client)

	if err != nil {
		panic(err)
	}

	//Get the record
	txRecord, err := createToken.GetRecord(client)
	if err != nil {
		panic(err)
	}

	//Get transaction status
	contractResult, err := txRecord.GetContractExecuteResult()
	if err != nil {
		panic(err)
	}
	tokenIdSolidityAddr := hex.EncodeToString(contractResult.GetAddress(0))

	tokenId, err := hedera.AccountIDFromSolidityAddress(tokenIdSolidityAddr)
	if err != nil {
		panic(err)
	}

	fmt.Printf("Token created with ID: %v\n", tokenId)

	// Add token address to params
	mintParams, err := hedera.NewContractFunctionParameters().
		AddAddress(tokenIdSolidityAddr)

	if err != nil {
		panic(err)
	}

	// Add metadata to params
	mintParams = mintParams.AddBytesArray(bytesArray)

	// Mint NFT
	mintToken, err := hedera.NewContractExecuteTransaction().
		//The contract ID
		SetContractID(newContractId).
		//The max gas
		SetGas(1000000).
		//The contract function to call and parameters
		SetFunction("mintNft", mintParams).
		//The max transaction fee. Use when HBAR is under 10 cents
		SetMaxTransactionFee(hedera.HbarFrom(20, hedera.HbarUnits.Hbar)).
		Execute(client)

	if err != nil {
		panic(err)
	}

	//Get the record
	mintRecord, err := mintToken.GetRecord(client)
	if err != nil {
		panic(err)
	}

	//Get transaction status
	mintResult, err := mintRecord.GetContractExecuteResult()
	if err != nil {
		panic(err)
	}
	serial := mintResult.GetInt64(0)

	fmt.Printf("Minted NFT with serial: %v\n", serial)

	// Add token address to params
	transferParams, err := hedera.NewContractFunctionParameters().
		AddAddress(tokenIdSolidityAddr)
	// Add Alice address to params
	transferParams, err = transferParams.AddAddress(aliceAccountId.ToSolidityAddress())
	if err != nil {
		panic(err)
	}
	transferParams = transferParams.AddInt64(serial)

	// Transfer NFT
	transferToken, err := hedera.NewContractExecuteTransaction().
		//The contract ID
		SetContractID(newContractId).
		//The max gas
		SetGas(4000000).
		//The contract function to call and parameters
		SetFunction("transferNft", transferParams).
		FreezeWith(client)

	if err != nil {
		panic(err)
	}

	transferSubmit, err := transferToken.Sign(aliceKey).Execute(client)
	if err != nil {
		panic(err)
	}

	//Get the record
	transferRecord, err := transferSubmit.GetReceipt(client)
	if err != nil {
		panic(err)
	}

	fmt.Printf("Transfer status: %v\n", transferRecord.Status)
}