assertIsTransactionSigner

assertIsTransactionSigner<TAddress>(value): asserts value is TransactionSigner<TAddress>

Asserts that the provided value implements the TransactionSigner interface.

Type Parameters

Type Parameter	Description
`TAddress` extends `string`	The inferred type of the address provided.

Parameters

Parameter	Type
`value`	{[`key`: `string`]: `unknown`; `address`: `Address`<`TAddress`>; }
`value.address`	`Address`<`TAddress`>

Returns

asserts value is TransactionSigner<TAddress>

Example

import { Address } from '@solana/addresses';
import { assertIsTransactionSigner } from '@solana/signers';
 
const address = '1234..5678' as Address<'1234..5678'>;
assertIsTransactionSigner({ address, signTransactions: async () => {} }); // void
assertIsTransactionSigner({ address, modifyAndSignTransactions: async () => {} }); // void
assertIsTransactionSigner({ address, signAndSendTransactions: async () => {} }); // void
assertIsTransactionSigner({ address }); // Throws an error.

See

isTransactionSigner

assertIsTransactionSigner

Type Parameters

Parameters

Returns

Example

See

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