docs: updates for how-to tutorials

zkSync-Community-Hub · May 31, 2024 · 49be537 · 49be537
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diff --git a/content/tutorials/how-to-deploy-contract/10.index.md b/content/tutorials/how-to-deploy-contract/10.index.md
@@ -124,6 +124,7 @@ const config: HardhatUserConfig = {
     },
   },
 };
+export default config;
 ```
 
 In the configuration above we have some important fields such as:

diff --git a/content/tutorials/how-to-deposit-erc20/10.index.md b/content/tutorials/how-to-deposit-erc20/10.index.md
@@ -75,7 +75,7 @@ dotenv.config();
 
 // HTTP RPC endpoints
 const L1_RPC_ENDPOINT = process.env.L1_RPC_ENDPOINT || ""; // or an RPC endpoint from Infura/Chainstack/QuickNode/etc.
-const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://testnet.era.zksync.dev"; // or the zkSync Era mainnet
+const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://sepolia.era.zksync.dev"; // or the zkSync Era mainnet
 
 // ERC-20 Token (DAI) address in L1
 const TOKEN_ADDRESS = "0x5C221E77624690fff6dd741493D735a17716c26B";

diff --git a/content/tutorials/how-to-deposit-eth/10.index.md b/content/tutorials/how-to-deposit-eth/10.index.md
@@ -76,7 +76,7 @@ dotenv.config();
 
 // HTTP RPC endpoints
 const L1_RPC_ENDPOINT = process.env.L1_RPC_ENDPOINT || ""; // or an RPC endpoint from Infura/Chainstack/QuickNode/etc.
-const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://testnet.era.zksync.dev"; // or the zkSync Era mainnet
+const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://sepolia.era.zksync.dev"; // or the zkSync Era mainnet
 
 // Amount in ETH
 const AMOUNT = "0.00001";

diff --git a/content/tutorials/how-to-test-contracts/10.index.md b/content/tutorials/how-to-test-contracts/10.index.md
@@ -161,7 +161,7 @@ With the previous steps completed, your `hardhat.config.ts` file should now be p
 ```ts [hardhat.config.ts]
 import { HardhatUserConfig } from "hardhat/config";
 
-import "@matterlabs/hardhat-zksync
+import "@matterlabs/hardhat-zksync"
 import "@nomicfoundation/hardhat-chai-matchers";
 
 const config: HardhatUserConfig = {
@@ -194,7 +194,6 @@ import { expect } from "chai";
 import { Wallet, Provider, Contract } from "zksync-ethers";
 import { Deployer } from "@matterlabs/hardhat-zksync";
 import { ZkSyncArtifact } from "@matterlabs/hardhat-zksync/src/types";
-import "@matterlabs/hardhat-zksync/dist/type-extensions";
 
 const RICH_PRIVATE_KEY = "0x7726827caac94a7f9e1b160f7ea819f172f7b6f9d2a97f992c38edeab82d4110";
 

diff --git a/content/tutorials/how-to-withdraw-erc20/10.index.md b/content/tutorials/how-to-withdraw-erc20/10.index.md
@@ -72,7 +72,7 @@ dotenv.config();
 
 // HTTP RPC endpoints
 const L1_RPC_ENDPOINT = process.env.L1_RPC_ENDPOINT || ""; // or an RPC endpoint from Infura/Chainstack/QuickNode/etc.
-const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://testnet.era.zksync.dev"; // or the zkSync Era mainnet
+const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://sepolia.era.zksync.dev"; // or the zkSync Era mainnet
 
 // ERC-20 Token address in L2
 const TOKEN_ADDRESS = "<TOKEN_ADDRESS>";
@@ -98,7 +98,7 @@ async function main() {
   console.log(`Running script to bridge ERC-20 to L1`);
 
   // Initialize the wallet.
-  const l1provider = new ethers.Provider(L1_RPC_ENDPOINT);
+  const l1provider = new Provider(L1_RPC_ENDPOINT);
   const l2provider = new Provider(L2_RPC_ENDPOINT);
   const wallet = new Wallet(WALLET_PRIV_KEY, l2provider, l1provider);
 
@@ -127,7 +127,7 @@ main()
 Execute the script using the following command:
 
 ```sh
-npx ts-node withdraw.ts
+npx ts-node withdraw-erc20.ts
 ```
 
 ## Verify the Output

diff --git a/content/tutorials/how-to-withdraw-eth/10.index.md b/content/tutorials/how-to-withdraw-eth/10.index.md
@@ -72,7 +72,7 @@ dotenv.config();
 
 // HTTP RPC endpoints
 const L1_RPC_ENDPOINT = process.env.L1_RPC_ENDPOINT || ""; // or an RPC endpoint from Infura/Chainstack/QuickNode/etc.
-const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://testnet.era.zksync.dev"; // or the zkSync Era mainnet
+const L2_RPC_ENDPOINT = process.env.L2_RPC_ENDPOINT || "https://sepolia.era.zksync.dev"; // or the zkSync Era mainnet
 
 // Wallet
 const WALLET_PRIV_KEY = process.env.WALLET_PRIV_KEY || "";
@@ -104,7 +104,7 @@ async function main() {
     const withdrawHandle = await wallet.withdraw({
       to: wallet.address, // can bridge to a different address in L1
       token: utils.ETH_ADDRESS,
-      amount: ethers.utils.parseEther(AMOUNT),
+      amount: ethers.parseEther(AMOUNT),
     });
     console.log(`Withdraw transaction sent ${withdrawHandle.hash}`);
   } catch (error: any) {