المعاملات

sendTransaction(tx: Transaction): TransactionMetadata | FailedTransactionMetadata

const result = client.svm.sendTransaction(signedTx);

// Check for errors
if ("err" in result && result.err()) {
  console.error("Transaction failed:", result.err());
  return;
}

// Access result properties (note: these are getter functions)
console.log("Signature:", result.signature());
console.log("Compute units:", result.computeUnitsConsumed());
console.log("Logs:", result.logs());

simulateTransaction(tx: Transaction): SimulatedTransactionInfo | FailedTransactionMetadata

const simResult = client.svm.simulateTransaction(signedTx);

if ("err" in simResult && simResult.err()) {
  console.error("Simulation failed:", simResult.err());
  return;
}

// Use .meta() to get TransactionMetadata
const meta = simResult.meta();
console.log("Would use", meta.computeUnitsConsumed(), "compute units");
console.log("Logs:", meta.logs());

// Get post-execution account states
const postAccounts = simResult.postAccounts();
console.log("Post-state accounts:", postAccounts);

latestBlockhash(): Blockhash

const blockhash = client.svm.latestBlockhash();
console.log("Blockhash:", blockhash);

import {
  createTransactionMessage,
  setTransactionMessageLifetimeUsingBlockhash
} from "@solana/kit";

const { value: blockhashLifetime } = await client.rpc
  .getLatestBlockhash()
  .send();

const tx = setTransactionMessageLifetimeUsingBlockhash(
  blockhashLifetime,
  createTransactionMessage({ version: 0 })
);

expireBlockhash(): LiteSVM

const oldBlockhash = client.svm.latestBlockhash();
client.svm.expireBlockhash();
const newBlockhash = client.svm.latestBlockhash();

console.log("Old:", oldBlockhash);
console.log("New:", newBlockhash);
// Blockhashes will be different

// Enable history storage (stores last N transactions)
client.svm.withTransactionHistory(100n);

// Send a transaction
const result = client.svm.sendTransaction(signedTx);

// Later, retrieve it by signature (base58 string)
// Note: getTransaction expects a base58-encoded signature string