From dc57607fa6be667133778b95febbaa4c69ad05dd Mon Sep 17 00:00:00 2001
From: zkbenny <benny@zklink.org>
Date: Tue, 23 Jul 2024 14:53:59 +0800
Subject: [PATCH] add request l2 tx

---
 examples/deposit/hardhat.config.js      |   1 +
 examples/deposit/scripts/requestL2Tx.js | 105 ++++++++++++++++++++++++
 2 files changed, 106 insertions(+)
 create mode 100644 examples/deposit/scripts/requestL2Tx.js

diff --git a/examples/deposit/hardhat.config.js b/examples/deposit/hardhat.config.js
index bebd7de..0745613 100644
--- a/examples/deposit/hardhat.config.js
+++ b/examples/deposit/hardhat.config.js
@@ -1,6 +1,7 @@
 require('@nomicfoundation/hardhat-toolbox');
 require('./scripts/depositETH');
 require('./scripts/depositERC20');
+require('./scripts/requestL2Tx');
 
 const BaseConfig = require('../../hardhat.base.config');
 
diff --git a/examples/deposit/scripts/requestL2Tx.js b/examples/deposit/scripts/requestL2Tx.js
new file mode 100644
index 0000000..94b0079
--- /dev/null
+++ b/examples/deposit/scripts/requestL2Tx.js
@@ -0,0 +1,105 @@
+const { Provider, Wallet, utils } = require('zksync-ethers');
+const { task, types } = require('hardhat/config');
+const { ethers } = require('ethers');
+
+task('requestL2Tx', 'Request l2 tx from secondary chain')
+  .addParam('senderL1', 'The l1 sender address', undefined, types.string, false)
+  .addParam('contractL2', 'The l2 contract address', undefined, types.string, false)
+  .addOptionalParam('l2Value', 'The l2 value(unit: wei)', 0, types.int)
+  .addOptionalParam('l2GasLimit', 'The l2 gas limit', undefined, types.string)
+  .addParam('calldata', 'The l2 calldata', undefined, types.string, false)
+  .addParam('refundRecipient', 'The l2 refund recipient', undefined, types.string, false)
+  .addOptionalParam('print', 'Print the abi encode data', true, types.boolean)
+  .setAction(async (taskArgs, hre) => {
+    const senderL1 = taskArgs.senderL1;
+    const contractL2 = taskArgs.contractL2;
+    const l2Value = BigInt(taskArgs.l2Value);
+    let l2GasLimit = taskArgs.l2GasLimit;
+    const calldata = taskArgs.calldata;
+    const refundRecipient = taskArgs.refundRecipient;
+    const print = taskArgs.print;
+    const l1Provider = new Provider(process.env.L1RPC);
+    const l2Provider = new Provider(process.env.L2RPC);
+
+    const isSenderL1Contract = (await l1Provider.getCode(senderL1)) !== '0x';
+    console.log(`Is sender on L1 a contract: ${isSenderL1Contract}`);
+    const senderL2 = isSenderL1Contract ? utils.applyL1ToL2Alias(senderL1) : senderL1;
+    console.log(`Sender alias on L2: ${senderL2}`);
+    // Estimate the gas
+    const l2GasLimitRequired = BigInt(
+      await l2Provider.estimateL1ToL2Execute({
+        contractAddress: contractL2,
+        calldata: calldata,
+        caller: senderL2,
+        l2Value: l2Value,
+        factoryDeps: [],
+      }),
+    );
+    if (!l2GasLimit) {
+      l2GasLimit = l2GasLimitRequired;
+    } else {
+      l2GasLimit = BigInt(l2GasLimit);
+      if (l2GasLimit < l2GasLimitRequired) {
+        console.warn(`L2 gas limit ${l2GasLimit} is smaller than required: ${l2GasLimitRequired}`);
+        return;
+      }
+    }
+    // Log the estimated gas
+    console.log(`Estimated gas for L1 to L2 operation: ${l2GasLimit}`);
+
+    // Get primary tx gas price
+    const zkLink = (await hre.ethers.getContractAt('ZkLink', process.env.ZKLINK_ADDRESS)).connect(l1Provider);
+    const primaryTxGasPrice = await zkLink.txGasPrice();
+    console.log(`Primary tx gas price: ${ethers.formatUnits(primaryTxGasPrice, 'gwei')} gwei`);
+
+    // Base cost
+    const l2GasPerPubdataByteLimit = utils.REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_LIMIT;
+    const baseCost = await zkLink.l2TransactionBaseCost(primaryTxGasPrice, l2GasLimit, l2GasPerPubdataByteLimit);
+    console.log(`Base cost is ${ethers.formatEther(baseCost)} ether`);
+    const msgValue = baseCost + l2Value;
+    console.log(`The requestL2Transaction msg value is ${ethers.formatEther(msgValue)} ether`);
+
+    // Call requestL2Transaction
+    if (print) {
+      const abiEncode = zkLink.interface.encodeFunctionData('requestL2Transaction', [
+        contractL2,
+        l2Value,
+        calldata,
+        l2GasLimit,
+        l2GasPerPubdataByteLimit,
+        [],
+        refundRecipient,
+      ]);
+      console.log(`The requestL2Transaction calldata: ${abiEncode}`);
+    } else {
+      const wallet = new Wallet(process.env.DEVNET_PRIVKEY, l2Provider, l1Provider);
+
+      const l1Balance = ethers.formatEther(await wallet.getBalanceL1());
+      const l2Balance = ethers.formatEther(await wallet.getBalance());
+      console.log(`Wallet address is ${wallet.address}`);
+      if (wallet.address.toLowerCase() !== senderL1) {
+        console.warn(`Wallet address not match`);
+        return;
+      }
+      console.log(`L1 Balance is ${l1Balance}`);
+      console.log(`L2 Balance is ${l2Balance}`);
+      console.log(`Send a l1 message to l2...`);
+      const tx = await zkLink
+        .connect(wallet)
+        .requestL2Transaction(
+          contractL2,
+          l2Value,
+          calldata,
+          l2GasLimit,
+          l2GasPerPubdataByteLimit,
+          [],
+          refundRecipient,
+          { value: msgValue },
+        );
+      console.log(`The tx hash: ${tx.hash} , waiting for confirm...`);
+      await tx.wait();
+      console.log(`The tx confirmed`);
+    }
+  });
+
+require('dotenv').config();