assertIsTransactionMessageWithSingleSendingSigner

assertIsTransactionMessageWithSingleSendingSigner<TTransactionMessage>(transaction): asserts transaction is TransactionMessageWithSingleSendingSigner & TTransactionMessage

Asserts that the provided transaction message has exactly one TransactionSendingSigner.

This can be useful when using the signAndSendTransactionMessageWithSigners function to ensure it will be able to select the correct signer to send the transaction.

Type Parameters

Parameters

Returns

asserts transaction is TransactionMessageWithSingleSendingSigner & TTransactionMessage

Example

import {
    assertIsTransactionMessageWithSingleSendingSigner,
    signAndSendTransactionMessageWithSigners
} from '@solana/signers';
 
assertIsTransactionMessageWithSingleSendingSigner(transactionMessage);
const transactionSignature = await signAndSendTransactionMessageWithSigners(transactionMessage);

See

• signAndSendTransactionMessageWithSigners
• isTransactionMessageWithSingleSendingSigner