Development

docs/developers/tutorials/your-first-dapp.md

@@ -5,7 +5,7 @@ title: Build a dApp in 15 minutes
 
 [comment]: # (mx-abstract)
 
-Let's build your first decentralized application(dApp) on the MultiversX Blockchain!
+Let's build your first decentralized application (dApp) on the MultiversX Blockchain!
 
 ## Prerequisites
 
@@ -15,7 +15,7 @@ Before starting this tutorial, make sure you have the following:
 - `stable` Rust version `≥ 1.85.0` (install via [rustup](/docs/developers/toolchain-setup.md#installing-rust-and-sc-meta))
 - `multiversx-sc-meta` (cargo install [multiversx-sc-meta](/docs/developers/meta/sc-meta-cli.md))
 - `Node.js` with version `≥ 20`(guide [here](https://nodejs.org/en/download/package-manager))
-- `yarn` ([npm install --global yarn](https://classic.yarnpkg.com/lang/en/docs/install/#debian-stable) )
+- `pnpm` ([npm install --global pnpm](https://pnpm.io/installation) )
 
 :::
 
@@ -34,13 +34,13 @@ The **Ping-Pong app** is a very simple decentralized application that allows use
 
 Endpoints available:
 
-- `ping`: sending funds to the contract.
+- `ping`: sending funds to the contract;
 - `pong`: claiming the same amount back.
 
 Rules:
 
-- Each user can only `ping` once before they `pong`.
-- The `ping` amount must be exactly the specified value—no more, no less.
+- Each user can only `ping` once before they `pong`;
+- The `ping` amount must be exactly the specified value - no more, no less;
 - `pong` becomes available only after a set waiting period following a `ping`.
 
 [comment]: # (mx-exclude-context)
@@ -55,7 +55,7 @@ Rules:
 
 For the web application, we will have two pages:
 
-- **Sign in** - The page where you can authenticate using the **xPortal app**, **Ledger**, **DeFi Wallet**, **xAlias**, **Web Wallet**, **Passkey Proxy** or with **Metamask proxy**;
+- **Sign in** - The page where you can authenticate using the **xPortal App**, **Ledger**, **DeFi Wallet**, **xAlias**, **Web Wallet**, **Passkey Proxy** or **Metamask Proxy**;
 - **Dashboard** - Here, you can either `ping` or `pong`. If you have already deposited, you will see a countdown timer until the time interval resets.
 
 [comment]: # (mx-context-auto)
@@ -73,14 +73,14 @@ The contract also includes several views, storage mappers and one event:
 - `getPongEnableTimestamp`: **view** that provides the timestamp when `pong` will be available for a given address;
 - `getTimeToPong`: **view** that shows the remaining time until `pong` is enabled for a specific address;
 - `getAcceptedPaymentToken`: **storage mapper** that saves the token type allowed for deposits;
-- `getPingAmount`: **storage mapper** that records recording the total amount of tokens deposited;
-- `getDurationTimestamp`: **storage mapper** that saves the lock duration (in seconds) before `pong` can be called after a `ping`;
+- `getPingAmount`: **storage mapper** that records the total amount of tokens deposited;
+- `getDurationTimestamp`: **storage mapper** that saves the lock duration (in milliseconds) before `pong` can be called after a `ping`;
 - `getUserPingTimestamp`: **storage mapper** that saves the timestamp of the block where the user `ping`-ed;
 - `pongEvent`: **event** that signals a successful `pong` by the user with amount.
 
 Think of this smart contract as the API for our dApp, handling all the core business logic.
 
-To test it out, we will use [MultiversX Blockchain Devnet Explorer](https://devnet-explorer.multiversx.com/)—a public test network maintained by our community.
+To test it out, we will use [MultiversX Blockchain Devnet Explorer](https://devnet-explorer.multiversx.com/) - a public test network maintained by our community.
 
 [comment]: # (mx-context-auto)
 
@@ -107,7 +107,7 @@ By the time we are done, our project will have three subfolders: wallet, contrac
 
 ### Create wallet
 
-To deploy a smart contract to the blockchain, you will need a wallet-a PEM file is recommended for simplicity and ease of testing.
+To deploy a smart contract to the blockchain, you will need a wallet: a **PEM file** is recommended for simplicity and ease of testing.
 
 :::important
 Make sure you are in the `ping-pong/` folder before continuing.
@@ -124,7 +124,7 @@ PEM wallets are recommended only for testing and experimenting with non-producti
 
 To initiate transactions on the blockchain, your wallet needs funds to cover transaction fees, commonly referred to as **gas**.
 
-The [MultiversX Devnet](https://devnet-wallet.multiversx.com/dashboard) offers a **faucet** where you can claim **5 EGLD every 24 hours**. Here’s how to fund your wallet:
+The [MultiversX Devnet](https://devnet-wallet.multiversx.com/dashboard) offers a **faucet** where you can claim **5 EGLD**. You can recall the faucet every **24 hours** if your balance is **lower than 1 EGLD**. Here’s how to fund your wallet:
 
 1. Go to [Devnet Wallet MultiversX](https://devnet-wallet.multiversx.com/unlock/pem) and log in using your newly generated **PEM** file;
 2. Once logged in, open the **Faucet** from the **Tools**;
@@ -136,9 +136,9 @@ The [MultiversX Devnet](https://devnet-wallet.multiversx.com/dashboard) offers a
 
 ## The Blockchain Layer
 
-With the wallet setup complete, let's move on to the backend—the blockchain layer.
+With the wallet setup complete, let's move on to the backend - the blockchain layer.
 
-Let's start with the smart contract. You will first clone the Ping-Pong sample contract repository from [here](https://github.com/multiversx/mx-ping-pong-sc).
+Let's start with the smart contract. You will first clone the Ping-Pong sample contract [repository](https://github.com/multiversx/mx-ping-pong-sc).
 
 :::important
 Make sure you are still in the `ping-pong/` folder.
@@ -154,7 +154,7 @@ This will create a **contract** folder within ping-pong, containing all the nece
 
 ### Build the Smart Contract
 
-Now that you have the source code for the smart contract, you need to compile it into a **binary** that the **MultiversX Virtual Machine** can execute. Since the VM runs Web Assembly (WASM) code, you need to compile our Rust source code into a WASM file.
+Now that you have the source code for the smart contract, you need to compile it into a **binary** that the **MultiversX Virtual Machine** (VM) can execute. Since the VM runs Web Assembly (WASM) code, you need to compile our Rust source code into a WASM file.
 
 At path `ping-pong/`, run the following command to build the smart contract into a WASM file.
 
@@ -179,32 +179,30 @@ Ensure that `wallet_owner.pem` is in the `wallet/` folder and that the smart con
 
 Before deploying, you will need to modify the wallet from which transactions are made. Currently, they are made from a test wallet. To use the wallet you created [earlier](./your-first-dapp.md#create-wallet), you will need to make the following changes:
 
-In the file `interact.rs` located at the path `ping-pong/contract/ping-pong/interactor/src`, the variable `alice_wallet_address` from  `new` function will be modified.
+In the file [`interact.rs`](https://github.com/multiversx/mx-ping-pong-sc/blob/e1b3e0e9657e83ad11cc0069c0fc7183f91a2fe1/ping-pong/interactor/src/interact.rs#L84) located at the path `ping-pong/contract/ping-pong/interactor/src`, the variable `wallet_address_1` from  `new` function will be modified.
 
 ```rust title="Before"
-let alice_wallet_address = interactor.register_wallet(test_wallets::alice()).await;
+let wallet_address_1 = interactor.register_wallet(test_wallets::alice()).await;
 ```
 
 ```rust title="After"
-let alice_wallet_address = interactor
+let wallet_address_1 = interactor
     .register_wallet(Wallet::from_pem_file("../../../wallet/wallet-owner.pem").unwrap())
     .await;
 ```
 
 :::note
 You need to replace with the relative path from the **interactor crate** to the **created wallet**.
 
-The interactor crate is located at `ping-pong/contract/ping-pong/interactor` and the wallet is in a higher-level directory: `ping-pong/wallet`.
+The interactor crate is located at `ping-pong/contract/ping-pong/interactor`, and the wallet is in a higher-level directory: `ping-pong/wallet`.
 
-To access `wallet-owner.pem` you must navigate up three folders: `../../../`, then into the **wallet** directory.
+Alternatively, you can add the absolute path of `wallet-owner.pem`.
 :::
 
-Make sure to add the absolute path at `Wallet::from_pem_file("/ping-pong/wallet/wallet-owner.pem")`, completing the missing directories above "ping-pong".
-
 This next command deploys the Ping-Pong contract with the following settings:
 
 - Ping Amount: **1 EGLD**.
-- Lock Duration: **180 seconds** (3 minutes).
+- Lock Duration: **180000 milliseconds** (3 minutes).
 
 :::important
 Ensure that you run the next command inside the **interactor** crate, located at:
@@ -213,23 +211,23 @@ Ensure that you run the next command inside the **interactor** crate, located at
 :::
 
 ```bash
-cargo run deploy --ping-amount 1000000000000000000 --duration-in-seconds 180
+cargo run deploy --amount 1000000000000000000 --duration 180000
 ```
 
 ```sh title=output
     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
-     Running `/ping-pong/contract/target/debug/ping-pong-interact deploy --ping-amount 1000000000000000000 --duration-in-seconds 180`
-sender's recalled nonce: 12422
--- tx nonce: 12422
-sc deploy tx hash: b6ca6c8e6ac54ed168bcd6929e762610e2360674f562115107cf3702b8a22467
-deploy address: erd1qqqqqqqqqqqqqpgqymj43x6anzr38jfz7kw3td2ew33v9jtrd8sse5zzk6
-new address: erd1qqqqqqqqqqqqqpgqymj43x6anzr38jfz7kw3td2ew33v9jtrd8sse5zzk6
+     Running `/ping-pong/contract/target/debug/ping-pong-interact deploy --amount 1000000000000000000 --duration 180000`
+sender's recalled nonce: 0
+-- tx nonce: 0
+sc deploy tx hash: 93ff495b02eb84f0f427f4f02e2c0ce10e667a3511807db8781e1eaed47f9d16
+deploy address: erd1qqqqqqqqqqqqqpgq0dw0cfqeknm43sxzzeg5h5j3ewwu8gyd0vdqq4jutd
+new address: erd1qqqqqqqqqqqqqpgq0dw0cfqeknm43sxzzeg5h5j3ewwu8gyd0vdqq4jutd
 ```
 
 Once the command runs, review the log output carefully. Two key details to note:
 
-- Contract Address: in the example presented below is erd1qqqqqqqqqqqqqpgqymj43x6anzr38jfz7kw3td2ew33v9jtrd8sse5zzk6
-- Transaction Hash: in the example presented below is b6ca6c8e6ac54ed168bcd6929e762610e2360674f562115107cf3702b8a22467
+- **Contract Address**: in the example presented below, it is erd1qqqqqqqqqqqqqpgq0dw0cfqeknm43sxzzeg5h5j3ewwu8gyd0vdqq4jutd
+- **Transaction Hash**: in the example presented below, it is 93ff495b02eb84f0f427f4f02e2c0ce10e667a3511807db8781e1eaed47f9d16
 
 We will take a look at the transaction details. Let's check them in the [Devnet Explorer](https://devnet-explorer.multiversx.com).
 
@@ -276,23 +274,19 @@ Then edit this instruction and change it to the contract address that you create
 
 ![img](/developers/tutorial/config-screenshot.png)
 
-:::important
-Make sure you have [**yarn installed**](https://classic.yarnpkg.com/lang/en/docs/install) on your machine.
-:::
-
 Navigate to the `ping-pong/dapp` folder and install the required dependencies:
 
 ```sh
-npm install --global yarn
-yarn add vite --dev
+npm install --global pnpm
+pnpm install
 ```
 
 ### Start the Development Server
 
 To test your dApp locally, start a development server with the following command:
 
 ```sh
-yarn start:devnet
+pnpm start-devnet
 ```
 
 ### Running and Accessing the dApp

docs/sovereign/local-setup.md

@@ -80,7 +80,7 @@ cd sovereignBridge
     # Owner Configuration
     WALLET="~/wallet.pem"
 
-    # Main Chain Constants
+    # Main chain network config
     MAIN_CHAIN_ELASTIC=https://testnet-index.multiversx.com
     PROXY = https://testnet-gateway.multiversx.com
     CHAIN_ID = T
@@ -91,7 +91,7 @@ cd sovereignBridge
     ```
 
     :::note
-    - **SOVEREIGN_DIRECTORY, TXS_OUTFILE_DIRECTORY, CONTRACTS_DIRECTORY** - represent the paths to the location where the deployment scripts will generate the outputs.
+    - **SOVEREIGN_DIRECTORY, OUTFILE_PATH, CONTRACTS_DIRECTORY** - represent the paths to the location where the deployment scripts will generate the outputs.
     - **WALLET** - should represent the wallet generated at Step 2.2.
     - **MAIN_CHAIN_ELASTIC** - represents the elasticsearch db from the main chain
     - **PROXY** - in this case, for the purpose of the test, the used proxy is the testnet one. Of course that the proper proxy should be used when deploying your own set of contracts depending on the development phase of your project.
@@ -109,16 +109,27 @@ cd sovereignBridge
     source script.sh
     ```
 
+6. Create and deploy main chain observer:
+    ```bash
+    createAndDeployMainChainObserver
+    ```
+
+    :::info
+    After running this command, one should wait until the observer is fully synchronized.
+    :::
+
 6. Deploy all cross-chain contracts on main chain and deploy Sovereign Chain with all required services:
     ```bash
     deploySovereignWithCrossChainContracts sov
     ```
 
-    :::info
-    `deploySovereignWithCrossChainContracts` command will:
-    - deploy all main chain smart contracts and update sovereign configs
-    - deploy sovereign nodes and the main chain observer
-    - `sov` is the prefix for ESDT tokens in the sovereign chain - it can be changed to any string consisting of 4 lowercase alphanumeric characters
+   :::info
+   `deploySovereignWithCrossChainContracts` command will:
+    - deploy all smart contracts on the main chain and update the sovereign chain configuration
+    - set up sovereign nodes and deploy the main chain observer
+    - use `sov` as the default prefix for ESDT tokens on the sovereign chain  
+      (can be changed to any 1–4 character lowercase alphanumeric string and **must be unique across all deployed sovereign chains**)
+    - if no prefix is provided, a random one will be generated
     :::
 
 ### Step 3: Deploy services
@@ -139,16 +150,3 @@ ___
     ```bash
     stopAndCleanSovereign
     ```
-
-## Upgrade and reset local Sovereign Chain
-
-1. Navigate to `mx-chain-sovereign-go/scripts/testnet/sovereignBridge`.
-    Source the script:
-    ```bash
-    source script.sh
-    ```
-
-2. Upgrade and reset the chain, and all sovereign services:
-    ```bash
-    sovereignUpgradeAndReset
-    ```