isKeyPairSigner

function isKeyPairSigner<TAddress, TValue>(
    value,
): value is Readonly<{
    address: Address<TAddress>;
    signMessages: any;
}> &
    Readonly<{ address: Address<TAddress>; signTransactions: any }> & {
        keyPair: CryptoKeyPair;
    } & TValue;

Checks whether the provided value implements the KeyPairSigner interface.

Type Parameters

Type ParameterDescription
TAddress extends stringThe inferred type of the address provided.
TValue extends object-

Parameters

ParameterType
valueTValue

Returns

value is Readonly<{ address: Address<TAddress>; signMessages: any }> & Readonly<{ address: Address<TAddress>; signTransactions: any }> & { keyPair: CryptoKeyPair } & TValue

Example

import { generateKeyPairSigner, isKeyPairSigner } from '@solana/signers';
 
const signer = await generateKeyPairSigner();
isKeyPairSigner(signer); // true
isKeyPairSigner({ address: address('1234..5678') }); // false

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