fastnear/js-monorepo @fastnear/api
beta release
beta release

FastNear

api to interact with the NEAR blockchain

try it:

This view call fetches lines populating the pixel board. No keys are required for view calls.

(paste code in browser dev console)

Load Board(View / query, no key needed) 

await near.view({
  contractId: "berryclub.ek.near",
  methodName: "get_lines",
  args: {
    lines: [
      0,1,2,3,4,5,6,7,8,9,
      10,11,12,13,14,15,16,17,18,19,
      20,21,22,23,24,25,26,27,28,29,
      30,31,32,33,34,35,36,37,38,39,
      40,41,42,43,44,45,46,47,48,49
    ]
  },
});

Minimal example of signing and broadcasting a smart contract call to the draw method.

You must be signed in to draw. Click “Sign In” to connect your wallet.

(open dev console to track progress)

Draw Pixel(Sign and broadcast) 

await nearWallet.sendTransaction({
  signerId: nearWallet.accountId(),
  receiverId: "berryclub.ek.near",
  actions: [
    {
      type: "FunctionCall",
      params: {
        methodName: "draw",
        args: {
          pixels: [{
            x: 10,
            y: 20,
            color: 65280, // green
          }],
        },
        gas: $$`100 Tgas`,
        deposit: "0",
      },
    },
  ],
});

Fetching this account’s avocado_balance from the BerryClub contract.

Total Supply: 2417099.3688 🥑
Your Balance: 1583.7318 🥑
Get Berry Club Account(View / query, no key needed) 

await near.view({
  contractId: "berryclub.ek.near",
  methodName: "get_account",
  args: { account_id: nearWallet.accountId() },
});

Buying tokens

You can also call contract methods that require a deposit. All transactions are signed through your connected wallet.

Learn more about NEAR transactions: NEAR documentation | Transaction Flow

Buy Tokens(Requires deposit) 

await nearWallet.sendTransaction({
  signerId: nearWallet.accountId(),
  receiverId: "berryclub.ek.near",
  actions: [
    {
      type: "FunctionCall",
      params: {
        methodName: "buy_tokens",
        args: {},
        gas: $$`100 Tgas`,
        deposit: $$`0.1 NEAR`,
      },
    },
  ],
});