setTransactionMessageLifetimeUsingBlockhash

setTransactionMessageLifetimeUsingBlockhash<TTransactionMessage>(blockhashLifetimeConstraint, transactionMessage): ExcludeTransactionMessageLifetime<TTransactionMessage> & TransactionMessageWithBlockhashLifetime

Given a blockhash and the last block height at which that blockhash is considered usable to land transactions, this method will return a new transaction message having the same type as the one supplied plus the TransactionMessageWithBlockhashLifetime type.

Type Parameters

Parameters

Returns

ExcludeTransactionMessageLifetime<TTransactionMessage> & TransactionMessageWithBlockhashLifetime

Example

import { setTransactionMessageLifetimeUsingBlockhash } from '@solana/transaction-messages';
 
const { value: latestBlockhash } = await rpc.getLatestBlockhash().send();
const txMessageWithBlockhashLifetime = setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, txMessage);