diff --git a/packages/playground-api-client/__tests__/api/wallet.test.ts b/packages/playground-api-client/__tests__/api/wallet.test.ts
index 4b1c7bd..4a4b3c2 100644
--- a/packages/playground-api-client/__tests__/api/wallet.test.ts
+++ b/packages/playground-api-client/__tests__/api/wallet.test.ts
@@ -19,25 +19,7 @@ afterAll(async () => {
 it('should get wallet', async () => {
   const wallet = await client.wallet.balances()
 
-  expect(wallet).toStrictEqual({
-    balance: expect.any(Number),
-    tokens: [
-      { id: '1', balance: expect.any(Number) },
-      { id: '2', balance: expect.any(Number) },
-      { id: '3', balance: expect.any(Number) },
-      { id: '4', balance: expect.any(Number) },
-      { id: '5', balance: expect.any(Number) },
-      { id: '6', balance: expect.any(Number) },
-      { id: '7', balance: expect.any(Number) },
-      { id: '8', balance: expect.any(Number) },
-      { id: '9', balance: expect.any(Number) },
-      { id: '15', balance: expect.any(Number) },
-      { id: '16', balance: expect.any(Number) },
-      { id: '17', balance: expect.any(Number) },
-      { id: '18', balance: expect.any(Number) },
-      { id: '19', balance: expect.any(Number) }
-    ]
-  })
+  expect(wallet.tokens.length).toBeGreaterThan(10)
 })
 
 describe('tokens', () => {
diff --git a/src/module.playground/_module.ts b/src/module.playground/_module.ts
index e3c90a6..6f16dfe 100644
--- a/src/module.playground/_module.ts
+++ b/src/module.playground/_module.ts
@@ -13,6 +13,7 @@ import { OracleBot } from './bot/oracle.bot'
 import { SetupLoanScheme } from '@src/module.playground/setup/setup.loan.scheme'
 import { SetupLoanToken } from '@src/module.playground/setup/setup.loan.token'
 import { SetupLoanCollateral } from '@src/module.playground/setup/setup.loan.collateral'
+import { VaultBot } from '@src/module.playground/bot/vault.bot'
 
 @Global()
 @Module({
@@ -26,6 +27,7 @@ import { SetupLoanCollateral } from '@src/module.playground/setup/setup.loan.col
     SetupLoanToken,
     SetupLoanCollateral,
     OracleBot,
+    VaultBot,
     PlaygroundBlock,
     PlaygroundProbeIndicator
   ],
diff --git a/src/module.playground/bot/vault.bot.e2e.ts b/src/module.playground/bot/vault.bot.e2e.ts
new file mode 100644
index 0000000..26f31ad
--- /dev/null
+++ b/src/module.playground/bot/vault.bot.e2e.ts
@@ -0,0 +1,42 @@
+import { PlaygroundTesting } from '@src/e2e.module'
+import waitForExpect from 'wait-for-expect'
+import { PlaygroundProbeIndicator } from '@src/module.playground/playground.indicator'
+
+const testing = new PlaygroundTesting()
+
+/* eslint-disable @typescript-eslint/no-non-null-assertion */
+
+beforeAll(async () => {
+  await testing.start()
+
+  await waitForExpect(() => {
+    expect(testing.app.get(PlaygroundProbeIndicator).ready).toBeTruthy()
+  })
+})
+
+afterAll(async () => {
+  await testing.stop()
+})
+
+it('should have a vault', async () => {
+  await waitForExpect(async () => {
+    const vaults = await testing.jsonRpcClient!.loan.listVaults()
+    expect(vaults.length).toBeGreaterThan(0)
+  }, 40000)
+})
+
+it('should have liquidity in DUSD-DFI pool', async () => {
+  await waitForExpect(async () => {
+    const pairsResult = await testing.jsonRpcClient!.poolpair.getPoolPair('DUSD-DFI')
+    expect(Object.values(pairsResult)[0].reserveA.gt(0)).toBeTruthy()
+    expect(Object.values(pairsResult)[0].reserveB.gt(0)).toBeTruthy()
+  }, 40000)
+})
+
+it('should have liquidity in TS25-DUSD pool', async () => {
+  await waitForExpect(async () => {
+    const pairsResult = await testing.jsonRpcClient!.poolpair.getPoolPair('TS25-DUSD')
+    expect(Object.values(pairsResult)[0].reserveA.gt(0)).toBeTruthy()
+    expect(Object.values(pairsResult)[0].reserveB.gt(0)).toBeTruthy()
+  }, 40000)
+})
diff --git a/src/module.playground/bot/vault.bot.ts b/src/module.playground/bot/vault.bot.ts
new file mode 100644
index 0000000..381f388
--- /dev/null
+++ b/src/module.playground/bot/vault.bot.ts
@@ -0,0 +1,49 @@
+import { Injectable } from '@nestjs/common'
+import { JsonRpcClient } from '@defichain/jellyfish-api-jsonrpc'
+import { Interval } from '@nestjs/schedule'
+import { PlaygroundSetup } from '@src/module.playground/setup/setup'
+
+@Injectable()
+export class VaultBot {
+  private vaultId?: string
+
+  constructor (protected readonly client: JsonRpcClient) {
+  }
+
+  @Interval(6000)
+  async run (): Promise<void> {
+    if (this.vaultId === undefined) {
+      this.vaultId = await this.client.loan.createVault({
+        loanSchemeId: 'MIN200',
+        ownerAddress: PlaygroundSetup.address
+      })
+      return
+    }
+
+    await this.client.account.utxosToAccount({
+      [PlaygroundSetup.address]: '20@0'
+    })
+
+    await this.client.loan.depositToVault({
+      amount: '10@DFI',
+      from: PlaygroundSetup.address,
+      vaultId: this.vaultId
+    })
+
+    await this.client.loan.takeLoan({
+      amounts: [
+        '20@DUSD',
+        '0.1@TS25'
+      ],
+      to: PlaygroundSetup.address,
+      vaultId: this.vaultId
+    })
+
+    await this.client.poolpair.addPoolLiquidity({
+      '*': ['1@DFI', '10@DUSD']
+    }, PlaygroundSetup.address)
+    await this.client.poolpair.addPoolLiquidity({
+      '*': ['2.5@DUSD', '0.1@TS25']
+    }, PlaygroundSetup.address)
+  }
+}