packages/keyring/src/pairs.ts
// Copyright 2017-2024 @polkadot/keyring authors & contributors
// SPDX-License-Identifier: Apache-2.0
import type { KeyringPair, KeyringPairs } from './types.js';
import { isHex, isU8a, u8aToHex, u8aToU8a } from '@polkadot/util';
import { decodeAddress } from '@polkadot/util-crypto';
type KeyringPairMap = Record<string, KeyringPair>;
export class Pairs implements KeyringPairs {
readonly #map: KeyringPairMap = {};
public add (pair: KeyringPair): KeyringPair {
this.#map[decodeAddress(pair.address).toString()] = pair;
return pair;
}
public all (): KeyringPair[] {
return Object.values(this.#map);
}
public get (address: string | Uint8Array): KeyringPair {
const pair = this.#map[decodeAddress(address).toString()];
if (!pair) {
throw new Error(`Unable to retrieve keypair '${
isU8a(address) || isHex(address)
? u8aToHex(u8aToU8a(address))
: address
}'`);
}
return pair;
}
public remove (address: string | Uint8Array): void {
delete this.#map[decodeAddress(address).toString()];
}
}