console.clear();

require("dotenv").config();

// Goal: Create an NFT using Hedera Token Service with all token keys set.

// Note that the treasury account ID is also set, who needs to sign the transaction as well

const {

AccountId,

PrivateKey,

Client,

TokenCreateTransaction,

TokenInfoQuery,

TokenType,

Hbar,

TokenSupplyType,

AccountCreateTransaction

} = require("@hashgraph/sdk");

// Configure accounts and client, and generate needed keys

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

const operatorKey = PrivateKey.fromString(process.env.OPERATOR_PVKEY);

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

client.setDefaultMaxTransactionFee(new Hbar(100));

const adminKey = PrivateKey.generateED25519();

const randomKey = PrivateKey.generateED25519();

const treasuryKey = PrivateKey.generateED25519();

async function main() {

// Create accounts

console.log(`- Creating accounts...`);

const [adminAccStatus, adminId] = await accountCreatorFcn(adminKey, 5);

console.log(`- Created admin account ${adminId} that has a balance of 5ℏ`);

const [randomAccStatus, randomId] = await accountCreatorFcn(randomKey, 5);

console.log(`- Created random account ${randomId} that has a balance of 5ℏ`);

const [treasuryAccStatus, treasuryId] = await accountCreatorFcn(treasuryKey, 5);

console.log(`- Created random account ${treasuryId} that has a balance of 5ℏ`);

console.log(treasuryKey.publicKey)

// Create NFT

console.log(`\n- Creating NFT (with all token keys set)`);

let nftCreate = await new TokenCreateTransaction()

.setTokenName("Fall Collection")

.setTokenSymbol("LEAF")

.setTokenType(TokenType.NonFungibleUnique)

.setDecimals(0)

.setInitialSupply(0)

.setTreasuryAccountId(treasuryId) // needs to sign

.setSupplyType(TokenSupplyType.Finite)

.setMaxSupply(5)

// No keys throws error: TOKEN_HAS_NO_SUPPLY_KEY

.setSupplyKey(randomKey) // REQUIRED

.freezeWith(client);

let nftCreateTxSign = await (await nftCreate.sign(adminKey)).sign(treasuryKey);

let nftCreateSubmit = await nftCreateTxSign.execute(client);

let nftCreateRx = await nftCreateSubmit.getReceipt(client);

let tokenId = nftCreateRx.tokenId;

console.log(`- Created NFT with Token ID: ${tokenId}`);

let tokenInfo = await new TokenInfoQuery().setTokenId(tokenId).execute(client);

console.log(`- Current NFT supply: ${tokenInfo.totalSupply}`);

client.close();

// ACCOUNT CREATOR FUNCTION ==========================================

async function accountCreatorFcn(pvKey, iBal) {

const response = await new AccountCreateTransaction()

.setInitialBalance(new Hbar(iBal))

.setKey(pvKey.publicKey)

.execute(client);

const receipt = await response.getReceipt(client);

return [receipt.status, receipt.accountId];

}

}

main();