From 27d64b69285a215bdc83aa29406dc36d8083fff0 Mon Sep 17 00:00:00 2001
From: Dennis <10233439+idea404@users.noreply.github.com>
Date: Sun, 12 Nov 2023 14:50:35 +0100
Subject: [PATCH] feat: add fast-forward script for demo

---
 demo/fast-forward.ts | 28 ++++++++++++++++++++++++++++
 package.json         |  3 ++-
 test/utils.ts        |  2 +-
 3 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 demo/fast-forward.ts

diff --git a/demo/fast-forward.ts b/demo/fast-forward.ts
new file mode 100644
index 0000000..88e9c71
--- /dev/null
+++ b/demo/fast-forward.ts
@@ -0,0 +1,28 @@
+// This script will:
+// 1. fast forward the blockchain by 10 blocks
+
+import { config } from "../deploy/utils";
+import * as zks from "zksync-web3";
+
+const RPC_URL = config.L2RpcUrl;
+
+async function advanceBlocks(blockCount: number, provider: zks.Provider) {
+  for (let i = 0; i < blockCount; i++) {
+    // Use the 'send' method to send the 'evm_mine' request
+    await provider.send('evm_mine', []);
+  }
+}
+
+async function main() {
+  // Create a new provider instance
+  const provider = new zks.Provider(RPC_URL);
+  // Fast forward the blockchain by 10 blocks
+  await advanceBlocks(10, provider);
+  console.log(`Fast forwarded 10 blocks`);
+}
+
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});
+
diff --git a/package.json b/package.json
index 602b771..ec64b54 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
     "deploy:pension": "hardhat deploy-zksync --script deploy-pension.ts --network zkSyncLocalnet",
     "demo:pension-setup": "yarn deploy:pafactory && yarn deploy:pension && yarn demo:pension-fund",
       "demo:pension-fund": "ts-node demo/pension-fund-eth.ts",
-    "demo:pension-withdraw": "ts-node demo/pension-send-eth.ts"
+    "demo:pension-withdraw": "ts-node demo/pension-send-eth.ts",
+    "demo:fast-forward": "ts-node demo/fast-forward.ts"
   },
   "devDependencies": {
     "@types/chai": "^4.3.10",
diff --git a/test/utils.ts b/test/utils.ts
index d9dcaca..65837de 100644
--- a/test/utils.ts
+++ b/test/utils.ts
@@ -175,7 +175,7 @@ function createMockAddress(base: string) {
 }
 
 // Helper function to advance the blockchain by a specified number of blocks
-export async function advanceBlocks(numberOfBlocks) {
+export async function advanceBlocks(numberOfBlocks: number) {
   for (let i = 0; i < numberOfBlocks; i++) {
     await hre.network.provider.request({
       method: "evm_mine",