getSignersFromTransactionMessage

getSignersFromTransactionMessage<TAddress, TSigner, TTransactionMessage>(transaction): readonly TSigner[]

Extracts and deduplicates all TransactionSigners stored inside a given transaction message.

This includes any TransactionSigners stored as the fee payer or in the instructions of the transaction message.

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

Type Parameters

Type Parameter	Default type	Description
`TAddress` extends `string`	`string`	Supply a string literal to define an account having a particular address.
`TSigner` extends `TransactionSigner`<`TAddress`>	`TransactionSigner`<`TAddress`>	Optionally provide a narrower type for TransactionSigners.
`TTransactionMessage` extends `TransactionMessageWithSigners`<`TAddress`, `TSigner`, readonly `AccountMetaWithSigner`<`TSigner`>[]>	`TransactionMessageWithSigners`<`TAddress`, `TSigner`, readonly `AccountMetaWithSigner`<`TSigner`>[]>	The inferred type of the transaction message provided.

Parameters

Parameter	Type
`transaction`	`TTransactionMessage`

Returns

readonly TSigner[]

Example

import { Instruction } from '@solana/instructions';
import { InstructionWithSigners, TransactionMessageWithSigners, getSignersFromTransactionMessage } from '@solana/signers';
 
const signerA = { address: address('1111..1111'), signTransactions: async () => {} };
const signerB = { address: address('2222..2222'), signTransactions: async () => {} };
const firstInstruction: Instruction & InstructionWithSigners = {
    programAddress: address('1234..5678'),
    accounts: [{ address: signerA.address, signer: signerA, ... }],
};
const secondInstruction: Instruction & InstructionWithSigners = {
    programAddress: address('1234..5678'),
    accounts: [{ address: signerB.address, signer: signerB, ... }],
};
const transactionMessage: TransactionMessageWithSigners = {
    feePayer: signerA,
    instructions: [firstInstruction, secondInstruction],
}
 
const transactionSigners = getSignersFromTransactionMessage(transactionMessage);
// ^ [signerA, signerB]

getSignersFromTransactionMessage

Type Parameters

Parameters

Returns

Example

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