Kit プラグイン

import { createClient } from "@solana/kit";
import { surfpool } from "@solana/surfpool/kit";

const client = await createClient().use(surfpool());

const slot = await client.rpc.getSlot().send();
await client.cheatcodes.timeTravel({ absoluteSlot: 1_000_000n }).send();

npm install --save-dev @solana/kit @solana/kit-plugin-rpc @solana/kit-plugin-signer @solana/surfpool
# or
pnpm add -D @solana/kit @solana/kit-plugin-rpc @solana/kit-plugin-signer @solana/surfpool

import { createClient } from "@solana/kit";
import { surfpool } from "@solana/surfpool/kit";

const client = await createClient().use(surfpool());

import { after, test } from "node:test";
import assert from "node:assert/strict";
import { getTransferSolInstruction } from "@solana-program/system";
import { createClient, generateKeyPairSigner, lamports } from "@solana/kit";
import { surfpool } from "@solana/surfpool/kit";

const client = await createClient().use(surfpool());

after(() => {
  client.surfnet.stop();
});

test("transfers SOL on an embedded Surfnet", async () => {
  const recipient = await generateKeyPairSigner();
  const amount = lamports(5_000_000n);

  await client.sendTransaction(
    getTransferSolInstruction({
      amount,
      destination: recipient.address,
      source: client.payer
    })
  );

  const { value: balance } = await client.rpc
    .getBalance(recipient.address)
    .send();
  assert.equal(balance, amount);
});

import { address, generateKeyPairSigner } from "@solana/kit";

// Deterministic clock.
const paused = await client.cheatcodes.pauseClock().send();
await client.cheatcodes
  .timeTravel({ absoluteSlot: paused.absoluteSlot + 1_000n })
  .send();
await client.cheatcodes.resumeClock().send();

// Arbitrary account state. `data` is hex-encoded.
const account = (await generateKeyPairSigner()).address;
const owner = (await generateKeyPairSigner()).address;
await client.cheatcodes
  .setAccount(account, { data: "aabbcc", lamports: 777_777, owner })
  .send();

// Token balances, without minting through the token program. The mint must
// already exist — create it, or clone it from mainnet with cloneProgramAccount.
const mint = address("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v");
await client.cheatcodes
  .setTokenAccount(owner, mint, { amount: 1_000_000n })
  .send();

import {
  fetchMint,
  getMintEncoder,
  TOKEN_PROGRAM_ADDRESS
} from "@solana-program/token";
import {
  generateKeyPairSigner,
  getBase16Decoder,
  none,
  some
} from "@solana/kit";

const mint = (await generateKeyPairSigner()).address;

const data = getMintEncoder().encode({
  decimals: 6,
  freezeAuthority: none(),
  isInitialized: true,
  mintAuthority: some(client.payer.address),
  supply: 1_000_000_000n
});

await client.cheatcodes
  .setAccount(mint, {
    // getBase16Decoder() turns the encoded bytes into the hex `data` expects.
    data: getBase16Decoder().decode(data),
    lamports: 1_461_600, // rent-exempt minimum for an 82-byte mint
    owner: TOKEN_PROGRAM_ADDRESS
  })
  .send();

// Reads back as a normal mint through the program client.
const account = await fetchMint(client.rpc, mint);
account.data.decimals; // 6
account.data.supply; // 1_000_000_000n

import {
  createSurfnetCheatcodesRpc,
  surfnetCheatcodes
} from "@solana/surfpool/kit";

// Standalone RPC, no Kit client involved.
const cheatcodes = createSurfnetCheatcodesRpc("http://127.0.0.1:8899");
await cheatcodes.pauseClock().send();

// Add `client.cheatcodes` to a client you already composed.
const client = createClient().use(surfnetCheatcodes());

const client = await createClient().use(
  surfpool({
    surfnet: { offline: true }, // Surfnet startup config
    skipPreflight: true // forwarded to solanaLocalRpc()
  })
);

import { createClient, generateKeyPairSigner } from "@solana/kit";
import { tokenProgram } from "@solana-program/token";
import { surfpool } from "@solana/surfpool/kit";

const client = await createClient().use(surfpool()).use(tokenProgram());

const newMint = await generateKeyPairSigner();
await client.token.instructions
  .createMint({ decimals: 6, mintAuthority: client.payer.address, newMint })
  .sendTransaction();

await client.token.instructions
  .mintToATA({
    amount: 1_000_000n,
    decimals: 6,
    mint: newMint.address,
    mintAuthority: client.payer,
    owner: client.payer.address
  })
  .sendTransaction();

import { createKeyPairSignerFromBytes, createClient } from "@solana/kit";
import { payer } from "@solana/kit-plugin-signer";
import { surfpool } from "@solana/surfpool/kit";
import { readFile } from "node:fs/promises";

// Any funded signer works; this loads the local CLI keypair.
const keypairPath = `${process.env.HOME}/.config/solana/id.json`;
const myPayer = await createKeyPairSignerFromBytes(
  new Uint8Array(JSON.parse(await readFile(keypairPath, "utf8")))
);

const client = createClient()
  .use(payer(myPayer))
  .use(surfpool({ rpcUrl: "http://127.0.0.1:8899" }));