Rebrand: polkadot → pezkuwi, substrate → bizinikiwi, kusama → dicle

packages/api/src/test/SingleAccountSigner.ts

@@ -0,0 +1,53 @@
+// Copyright 2017-2025 @pezkuwi/api authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { KeyringPair } from '@pezkuwi/keyring/types';
+import type { Registry, SignerPayloadJSON, SignerPayloadRaw } from '@pezkuwi/types/types';
+import type { Signer, SignerResult } from '../types/index.js';
+
+import { hexToU8a, objectSpread, u8aToHex } from '@pezkuwi/util';
+
+let id = 0;
+
+export class SingleAccountSigner implements Signer {
+  readonly #keyringPair: KeyringPair;
+  readonly #registry: Registry;
+  readonly #signDelay: number;
+
+  constructor (registry: Registry, keyringPair: KeyringPair, signDelay = 0) {
+    this.#keyringPair = keyringPair;
+    this.#registry = registry;
+    this.#signDelay = signDelay;
+  }
+
+  public async signPayload (payload: SignerPayloadJSON): Promise<SignerResult> {
+    if (payload.address !== this.#keyringPair.address) {
+      throw new Error('Signer does not have the keyringPair');
+    }
+
+    return new Promise((resolve): void => {
+      setTimeout((): void => {
+        const signed = this.#registry.createType('ExtrinsicPayload', payload, { version: payload.version }).sign(this.#keyringPair);
+
+        resolve(objectSpread({ id: ++id }, signed));
+      }, this.#signDelay);
+    });
+  }
+
+  public async signRaw ({ address, data }: SignerPayloadRaw): Promise<SignerResult> {
+    if (address !== this.#keyringPair.address) {
+      throw new Error('Signer does not have the keyringPair');
+    }
+
+    return new Promise((resolve): void => {
+      setTimeout((): void => {
+        const signature = u8aToHex(this.#keyringPair.sign(hexToU8a(data)));
+
+        resolve({
+          id: ++id,
+          signature
+        });
+      }, this.#signDelay);
+    });
+  }
+}