@fewcha/aptos/examples/typescript/simple_nft.ts

Aptos SDK

// Copyright © Aptos Foundation
// SPDX-License-Identifier: Apache-2.0

/* eslint-disable no-console */

import dotenv from "dotenv";
dotenv.config();

import { AptosClient, AptosAccount, FaucetClient, TokenClient, CoinClient, Network, Provider } from "aptos";
import { NODE_URL, FAUCET_URL } from "./common";

(async () => {
  // Create API and faucet clients.
  // :!:>section_1a
  const client = new AptosClient(NODE_URL);
  const faucetClient = new FaucetClient(NODE_URL, FAUCET_URL); // <:!:section_1a

  // Create client for working with the token module.
  // :!:>section_1b
  const tokenClient = new TokenClient(client); // <:!:section_1b

  // Create a coin client for checking account balances.
  const coinClient = new CoinClient(client);

  // Create accounts.
  // :!:>section_2
  const alice = new AptosAccount();
  const bob = new AptosAccount(); // <:!:section_2

  console.log("=== network ===");
  console.log(NODE_URL);

  // Print out account addresses.
  console.log("=== Addresses ===");
  console.log(`Alice: ${alice.address()}`);
  console.log(`Bob: ${bob.address()}`);
  console.log("");

  // Fund accounts.
  // :!:>section_3
  await faucetClient.fundAccount(alice.address(), 100_000_000);
  await faucetClient.fundAccount(bob.address(), 100_000_000); // <:!:section_3

  console.log("=== Initial Coin Balances ===");
  console.log(`Alice: ${await coinClient.checkBalance(alice)}`);
  console.log(`Bob: ${await coinClient.checkBalance(bob)}`);
  console.log("");

  console.log("=== Creating Collection and Token ===");

  const collectionName = "Alice's";
  const tokenName = "Alice's first token";
  const tokenPropertyVersion = 0;

  const tokenId = {
    token_data_id: {
      creator: alice.address().hex(),
      collection: collectionName,
      name: tokenName,
    },
    property_version: `${tokenPropertyVersion}`,
  };

  // Create the collection.
  // :!:>section_4
  const txnHash1 = await tokenClient.createCollection(
    alice,
    collectionName,
    "Alice's simple collection",
    "https://alice.com",
  ); // <:!:section_4
  await client.waitForTransaction(txnHash1, { checkSuccess: true });

  // Create a token in that collection.
  // :!:>section_5
  const txnHash2 = await tokenClient.createToken(
    alice,
    collectionName,
    tokenName,
    "Alice's simple token",
    1,
    "https://aptos.dev/img/nyan.jpeg",
  ); // <:!:section_5
  await client.waitForTransaction(txnHash2, { checkSuccess: true });

  // Print the collection data.
  // :!:>section_6
  const collectionData = await tokenClient.getCollectionData(alice.address(), collectionName);
  console.log(`Alice's collection: ${JSON.stringify(collectionData, null, 4)}`); // <:!:section_6

  // Get the token balance.
  // :!:>section_7
  const aliceBalance1 = await tokenClient.getToken(
    alice.address(),
    collectionName,
    tokenName,
    `${tokenPropertyVersion}`,
  );
  console.log(`Alice's token balance: ${aliceBalance1["amount"]}`); // <:!:section_7

  // Get the token data.
  // :!:>section_8
  const tokenData = await tokenClient.getTokenData(alice.address(), collectionName, tokenName);
  console.log(`Alice's token data: ${JSON.stringify(tokenData, null, 4)}`); // <:!:section_8

  // Alice offers one token to Bob.
  console.log("\n=== Transferring the token to Bob ===");
  // :!:>section_9
  const txnHash3 = await tokenClient.offerToken(
    alice,
    bob.address(),
    alice.address(),
    collectionName,
    tokenName,
    1,
    tokenPropertyVersion,
  ); // <:!:section_9
  await client.waitForTransaction(txnHash3, { checkSuccess: true });

  // Bob claims the token Alice offered him.
  // :!:>section_10
  const txnHash4 = await tokenClient.claimToken(
    bob,
    alice.address(),
    alice.address(),
    collectionName,
    tokenName,
    tokenPropertyVersion,
  ); // <:!:section_10
  await client.waitForTransaction(txnHash4, { checkSuccess: true });

  // Print their balances.
  const aliceBalance2 = await tokenClient.getToken(
    alice.address(),
    collectionName,
    tokenName,
    `${tokenPropertyVersion}`,
  );
  const bobBalance2 = await tokenClient.getTokenForAccount(bob.address(), tokenId);
  console.log(`Alice's token balance: ${aliceBalance2["amount"]}`);
  console.log(`Bob's token balance: ${bobBalance2["amount"]}`);

  console.log("\n=== Transferring the token back to Alice using MultiAgent ===");
  // :!:>section_11
  let txnHash5 = await tokenClient.directTransferToken(
    bob,
    alice,
    alice.address(),
    collectionName,
    tokenName,
    1,
    tokenPropertyVersion,
  ); // <:!:section_11
  await client.waitForTransaction(txnHash5, { checkSuccess: true });

  // Print out their balances one last time.
  const aliceBalance3 = await tokenClient.getToken(
    alice.address(),
    collectionName,
    tokenName,
    `${tokenPropertyVersion}`,
  );
  const bobBalance3 = await tokenClient.getTokenForAccount(bob.address(), tokenId);
  console.log(`Alice's token balance: ${aliceBalance3["amount"]}`);
  console.log(`Bob's token balance: ${bobBalance3["amount"]}`);

  const provider = new Provider(Network.DEVNET);
  console.log("\n=== Checking if indexer devnet chainId same as fullnode chainId  ===");
  const indexerLedgerInfo = await provider.getIndexerLedgerInfo();
  const fullNodeChainId = await provider.getChainId();

  console.log(
    `\n fullnode chain id is: ${fullNodeChainId}, indexer chain id is: ${indexerLedgerInfo.ledger_infos[0].chain_id}`,
  );

  if (indexerLedgerInfo.ledger_infos[0].chain_id !== fullNodeChainId) {
    console.log(`\n fullnode chain id and indexer chain id are not synced, skipping rest of tests`);
    return;
  }

  console.log("\n=== Getting Alices's NFTs ===");
  const aliceNfts = await provider.getAccountNFTs(alice.address().hex());
  console.log(`Alice current token ownership: ${aliceNfts.current_token_ownerships[0].amount}. Should be 1`);

  console.log("\n=== Getting Bob's NFTs ===");
  const bobNfts = await provider.getAccountNFTs(bob.address().hex());
  console.log(`Bob current token ownership: ${bobNfts.current_token_ownerships.length}. Should be 0`);
})();