Cookbook gill examples inspiration

[inspi-writer001]

Problem

Missing gillsdk examples

Summary of Changes

• how to send sol with gill
• calculate transaction cost
• add memo to tx

example on sending SOL

import {
  createSolanaClient,
  createTransaction,
  getExplorerLink,
  lamports,
  LAMPORTS_PER_SOL,
} from "gill";
import {
  generateExtractableKeyPairSigner,
  generateKeyPair,
  generateKeyPairSigner,
} from "gill";
import { getTransferSolInstruction } from "gill/programs";

const { rpc, rpcSubscriptions, sendAndConfirmTransaction } = createSolanaClient(
  {
    urlOrMoniker: "devnet",
  }
);

const fromKeyPair = await generateExtractableKeyPairSigner(); // this has a .address which we're looking for
const fromKeyPair1 = await generateKeyPair(); // this gives you a .privatekey, .publickey - not a .address
const fromKeyPair2 = await generateKeyPairSigner(); // this has a .address

// console.log("extractable keypair signer: ", fromKeyPair);
// console.log("====================================================");
// console.log("keypair: ", fromKeyPair1);
// console.log("====================================================");
// console.log("keypair signer: ", fromKeyPair2);

let lamportsToAirdrop = BigInt(LAMPORTS_PER_SOL * 1.5);
let lamportsToSend = BigInt(LAMPORTS_PER_SOL * 0.5);

const airdropSignature = await rpc
  .requestAirdrop(
    fromKeyPair.address /* .address */,
    lamports(lamportsToAirdrop) // lamports() function helps assert that the input is a valid bigint and returs a Lamport type
  )
  .send();

console.log(
  "Explorer airdrop:",
  getExplorerLink({
    cluster: "http://localhost:8899",
    transaction: airdropSignature,
  })
);

let latestBlockhash = await rpc.getLatestBlockhash().send();

let transferInstruction = getTransferSolInstruction({
  amount: lamportsToSend,
  destination: fromKeyPair2.address,
  source: fromKeyPair,
});

let transferTransaction = createTransaction({
  feePayer: fromKeyPair,
  instructions: [transferInstruction],
  latestBlockhash: latestBlockhash.value,
  version: "legacy",
});

const transfer = await sendAndConfirmTransaction(transferTransaction);

console.log(
  "Explorer transfer:",
  getExplorerLink({
    cluster: "devnet",
    transaction: transfer,
  })
);

[vercel]

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