feat(jellyfish-api-core): add wallet listWallets RPC

docs/node/CATEGORIES/05-wallet.md

@@ -385,3 +385,15 @@ interface wallet {
   importPrivKey (privkey: string, label: string = "", rescan: boolean = true): Promise<void>
 }
 ```
+
+## listWallets
+
+Returns a list of currently loaded wallets.
+
+For full information on the wallet, use [getWalletInfo](#getwalletinfo)
+
+```ts title="client.wallet.listWallets()"
+interface wallet {
+  listWallets (): Promise<string[]>
+}
+```

packages/jellyfish-api-core/__tests__/category/wallet/listWallets.test.ts

@@ -0,0 +1,41 @@
+import { Testing } from '@defichain/jellyfish-testing'
+import { MasterNodeRegTestContainer, RegTestContainer } from '@defichain/testcontainers'
+import { ContainerAdapterClient } from '../../container_adapter_client'
+
+describe('Wallet without masternode', () => {
+  const container = new RegTestContainer()
+  const client = new ContainerAdapterClient(container)
+
+  beforeAll(async () => {
+    await container.start()
+    await client.wallet.createWallet('test')
+  })
+
+  afterAll(async () => {
+    await container.stop()
+  })
+
+  it('should listWallets', async () => {
+    const wallets = await client.wallet.listWallets()
+    expect(wallets).toStrictEqual(['', 'test'])
+  })
+})
+
+describe('Wallet with masternode', () => {
+  const master = new MasterNodeRegTestContainer()
+  const testing = Testing.create(master)
+
+  beforeAll(async () => {
+    await testing.container.start()
+    await testing.rpc.wallet.createWallet('test')
+  })
+
+  afterAll(async () => {
+    await testing.container.stop()
+  })
+
+  it('should listWallets', async () => {
+    const wallets = await testing.rpc.wallet.listWallets()
+    expect(wallets).toEqual(['', 'test'])
+  })
+})

packages/jellyfish-api-core/src/category/wallet.ts

@@ -314,6 +314,16 @@ export class Wallet {
   async getTransaction (txid: string, includeWatchOnly: boolean = true): Promise<InWalletTransaction> {
     return await this.client.call('gettransaction', [txid, includeWatchOnly], { amount: 'bignumber' })
   }
+
+  /**
+   * Returns a list of currently loaded wallets.
+   * For full information on the wallet, use 'getwalletinfo'
+   *
+   * @return {Promise<string[]>}
+   */
+  async listWallets (): Promise<string[]> {
+    return await this.client.call('listwallets', [], 'number')
+  }
 }
 
 export interface UTXO {