update multiversx-sc and rewrite tests

Author: juliancwirko

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "piggybank"
-version = "0.6.0"
+version = "0.7.0"
 authors = ["Julian Ćwirko <[email protected]>"]
 edition = "2021"
 publish = false
@@ -9,7 +9,7 @@ publish = false
 path = "src/lib.rs"
 
 [dependencies.multiversx-sc]
-version = "0.48.0"
+version = "0.50.3"
 
 [dev-dependencies.multiversx-sc-scenario]
-version = "0.48.0"
+version = "0.50.3"

Cargo.toml

@@ -1,4 +1,4 @@
-### PiggyBank - MultiversX Smart Contract for learning purposes
+## PiggyBank - MultiversX Smart Contract for learning purposes
 
 The logic is quite simple:
 1. You create a Piggy Bank where you define the lock time using Epoch Timestamp as the argument
@@ -7,7 +7,7 @@ The logic is quite simple:
 
 To interact with the PiggyBank Smart Contract, you would need to have:
 - [wallet](https://devnet-wallet.multiversx.com)
-- [mxpy](https://docs.multiversx.com/sdk-and-tools/sdk-py/installing-mxpy/)
+- [mxpy](https://docs.multiversx.com/sdk-and-tools/sdk-py/installing-mxpy/) (can be also shipped with VS Code MultiversX IDE extension)
 - PEM file derived from the seed phrase
 
 You can get all with [VSCode MultiversX IDE extension](https://marketplace.visualstudio.com/items?itemName=Elrond.vscode-elrond-ide) 
@@ -16,12 +16,18 @@ To derive the wallet pem file, check the docs [Deriving the Wallet PEM file](htt
 
 **For simplicity, you can also deploy and interact using the dApp:** https://piggy-bank-dapp.vercel.app/
 
-### The articles on how to prepare dev environment:
+## How to prepare dev environment:
+
+The simples way is to use VS Code MultiversX IDE extension through which you can configure Rust and mxpy.
+
+Here are more resources on that topic:
 - [Devcontainers](https://docs.multiversx.com/sdk-and-tools/devcontainers)
 - [MultiversX docs tutorial](https://docs.multiversx.com/developers/tutorials/staking-contract/#prerequisites)
 - [VSCode IDE extension walkthrough video](https://youtu.be/y0beoihLppA)
 
-### Start with contract build**
+## Interaction with mxpy
+
+Start with contract build
 
 ```
 mxpy contract build
@@ -31,8 +37,9 @@ mxpy contract build
 
 To use testnet switch to `--chain="T"` and --proxy="https://testnet-gateway.multiversx.com".
 
-### Example mxpy interaction commands
-##### These commands should be run one folder up from the cloned 'multiversx-simple-sc' folder or you would need to adjust your --project path
+### mxpy interaction commands
+
+We asume that the pem file is outside of the project directory. You can adjust the `--pem` path in each command. The smart contract address should be the one you'll get from deployment. Adjust the timestamp when creating a piggy bank (`--arguments <timestamp in future>`).
 
 **Deploy the contract:**
 
@@ -43,8 +50,6 @@ mxpy --verbose contract deploy --chain="D" --bytecode="./output/piggybank.wasm"
 Smart Contract deployment. You will need to do this once.
 In the example, the project name is `multiversx-simple-sc`, and the PEM file is located in `../walletKey.pem`.
 
-You can also use snippets. In the terminal run `. interactions/devnet.snippets.sh && deploy`.
-
 **Create the Piggy:**
 (here, with the working SC address example, change it, if you deployed yours, you should have one)
 
@@ -54,8 +59,6 @@ mxpy --verbose contract call erd1qqqqqqqqqqqqqpgqvqphdwsdtd6cnlt025kuu9hzjqhnexg
 
 As an argument for the `createPiggy` function, we will pass the timestamp for the lock time (it should be in the future, of course, use https://www.epochconverter.com/).
 
-You can also use snippets. In the terminal run `. interactions/devnet.snippets.sh && createPiggy`.
-
 **Add amount:**
 (here, with the working SC address example, change it, if you deployed yours, you should have one)
 
@@ -65,8 +68,6 @@ mxpy --verbose contract call erd1qqqqqqqqqqqqqpgqvqphdwsdtd6cnlt025kuu9hzjqhnexg
 
 We are adding one xEGLD (denomination 18, this is why it is, in fact, 1000000000000000000).
 
-You can also use snippets. In the terminal run `. interactions/devnet.snippets.sh && addAmount`.
-
 **Payout:**
 (here, with the working SC address example, change it, if you deployed yours, you should have one)
 
@@ -76,27 +77,21 @@ mxpy --verbose contract call erd1qqqqqqqqqqqqqpgqvqphdwsdtd6cnlt025kuu9hzjqhnexg
 
 It will check if you can withdraw. It will compare lock time and the current block timestamp. 
 
-You can also use snippets. In the terminal run `. interactions/devnet.snippets.sh && payOut`.
-
 **Upgrade the contract:**
 (here, with the working SC address example, change it, if you deployed yours, you should have one)
 
 ```
 mxpy --verbose contract upgrade erd1qqqqqqqqqqqqqpgqvqphdwsdtd6cnlt025kuu9hzjqhnexgu67es8lqc44 --chain="D" --bytecode="./output/piggybank.wasm" --pem="../walletKey.pem" --gas-limit=20000000 --proxy="https://devnet-gateway.multiversx.com" --recall-nonce --send
 ```
 
-You can also use snippets. In the terminal run `. interactions/devnet.snippets.sh && upgrade`.
-
-### Snippets
-
-You will find interaction snippets in `interactions/snippets.sh`. It is convenient to use when working with VSCode and MultiversX SDK plugin.
-
-After deploying the smart contract, you need to edit the `SC_ADDRESS`. Also, make sure that the relative path to your wallet PEM file is correct. You will need to set it in `USER_PEM`.
-
-### Testing
+## Testing
 
-You will find tests in `tests/piggybank_rust_test.rs`. To run a test, you can use click on the `Run Test` button from under the test name in VS Code or you can run it with `cargo test --test piggybank_rust_test`.
+Tests are based on [blackbox testing](https://docs.multiversx.com/developers/testing/rust/sc-blackbox-calls) approach.
+You will find tests in `tests/piggybank_rust_test.rs`. 
+To run a test, you can click on the `Run Test` button from under the test name in VS Code.
+You can also run it with `cargo test --test piggybank_rust_test`.
+Or you can use `sc-meta` tool: `sc-meta test`.
 
-### Development
+## Development
 Besides cloning the repository, you can also use buildo-begins CLI:
 - `npx buildo-begins@latest init` - from the list, choose Piggy Bank smart contract. You can also initialize the dapp for interactions.