SNAP Connection with NEAR Counter Example in Rust

To run SNAP

git clone https://github.com/rmuftiev/snap-near-js-api.git cd snap-near-rpc chmod +x ./scripts/cleanup.sh ./scripts/cleanup.sh yarn install yarn add @metamask/key-tree yarn build yarn run serve

Smart Contract in NEAR

Description

This contract is an example of a Smart contract in Rust. implements simple counter backed by storage on blockchain. Contract in contract/src/lib.rs provides methods to increment / decrement counter and get it's current value or reset.

Plus and minus buttons increase and decrease value correspondingly.

Steps to follow

Clone the repo

git clone https://github.com/rmuftiev/hackdays-rust-counter-simple.git 

Go to the folder

cd hackdays-rust-counter-simple

Install dependencies:

yarn

If you don't have Rust installed, complete the following 3 steps:

1. Install Rustup by running:

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

2. Configure your current shell by running:

source $HOME/.cargo/env

3. Add wasm target to your toolchain by running:

rustup target add wasm32-unknown-unknown

Optional - Put your contract address in neardev/dev-account

Go for it

yarn start

Near Account Creation

Go to https://wallet.testnet.near.org/ and follow rthe steps to create an account in testnet

Optional - Near Installation

Next, make sure you have near-cli by running:

near --version

If you need to install near-cli:

npm install near-cli -g

Optional - Near Login

If you want to create a NEAR account in Mainnet, please create one with NEAR Wallet.

In the project root, login with near-cli by following the instructions after this command:

near login

Modify the top of src/config.js, changing the CONTRACT_NAME to be the NEAR account that was just used to log in.

…
const CONTRACT_NAME = 'YOUR_ACCOUNT_NAME_HERE'; /* TODO: fill this in! */
…

To Explore

• contract/src/lib.rs for the contract code
• src/index.html for the front-end HTML
• src/main.js for the JavaScript front-end code and how to integrate contracts
• src/test.js for the JS tests for the contract