getSignersFromInstruction

getSignersFromInstruction<TSigner>(instruction): readonly TSigner[]

Extracts and deduplicates all TransactionSigners stored inside the account metas of an instruction.

Any extracted signers that share the same Address will be de-duplicated.

Type Parameters

Type Parameter	Default type	Description
`TSigner` extends `TransactionSigner`	`TransactionSigner`	Optionally provide a narrower type for TransactionSigners.

Parameters

Parameter	Type
`instruction`	`InstructionWithSigners`<`TSigner`>

Returns

readonly TSigner[]

Example

import { InstructionWithSigners, getSignersFromInstruction } from '@solana/signers';
 
const signerA = { address: address('1111..1111'), signTransactions: async () => {} };
const signerB = { address: address('2222..2222'), signTransactions: async () => {} };
const instructionWithSigners: InstructionWithSigners = {
    accounts: [
        { address: signerA.address, signer: signerA, ... },
        { address: signerB.address, signer: signerB, ... },
        { address: signerA.address, signer: signerA, ... },
    ],
};
 
const instructionSigners = getSignersFromInstruction(instructionWithSigners);
// ^ [signerA, signerB]

getSignersFromInstruction

Type Parameters

Parameters

Returns

Example

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