Cấu hình

import { createClient, generateKeyPairSigner } from "@solana/kit";
import { litesvm } from "@solana/kit-plugin-litesvm";
import { signer } from "@solana/kit-plugin-signer";

const mySigner = await generateKeyPairSigner();
const client = createClient().use(signer(mySigner)).use(litesvm());

client.svm
  .withSigverify(false) // Skip signature verification (faster)
  .withBlockhashCheck(false) // Skip blockhash validation (simpler)
  .withSysvars() // Enable Clock, Rent, etc.
  .withBuiltins() // Enable ed25519, secp256k1
  .withTransactionHistory(100n); // Store last 100 transactions

withSigverify(sigverify: boolean): LiteSVM

// Disable for faster tests (default is enabled)
client.svm.withSigverify(false);

// Enable for production-like testing
client.svm.withSigverify(true);

withBlockhashCheck(check: boolean): LiteSVM

// Disable for simpler tests
client.svm.withBlockhashCheck(false);

withSysvars(): LiteSVM

client.svm.withSysvars();

// Now you can access sysvars
const clock = client.svm.getClock();
const rent = client.svm.getRent();

withBuiltins(): LiteSVM

client.svm.withBuiltins();

withPrecompiles(): LiteSVM

client.svm.withPrecompiles();

withDefaultPrograms(): LiteSVM

client.svm.withDefaultPrograms();

withLamports(lamports: bigint): LiteSVM

client.svm.withLamports(1_000_000_000n); // 1 SOL

withLogBytesLimit(limit?: bigint): LiteSVM

client.svm.withLogBytesLimit(10000n);

withTransactionHistory(capacity: bigint): LiteSVM

// Store last 100 transactions
client.svm.withTransactionHistory(100n);

withFeatureSet(featureSet: FeatureSet): LiteSVM