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ICEX

Getting Started

Step 1: Setup Environment Variables

NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID=ADD_WALLET_CONNECT_PROJECT_ID_HERE
NEXT_PRIVATE_RPC_URL=ADD_RPC_URL_HERE

Step 2: Install and Run your onchain app

# Install
yarn

# Run
yarn dev

Develop

To format and lint the package locally use these quick steps.

# Format fix
yarn format

# Lint fix
yarn lint

Updating ABI

After you create a project using BOAT, these are the folders and files you are interested in when updating a smart contract: Using BuyMeACoffee smart contract as an example below

<project-name>
├── contracts
│   ├── src
│   │   └── BuyMeACoffee.sol          ← smart contract code
│   └──out/BuyMeACoffee.sol
│       └── BuyMeACoffee.json         ← output from "forge build" which contains the updated ABI
│
└── web/app/buy-me-coffee
    └── _contracts
        ├── BuyMeACoffeeABI.ts             ← copy of ABI from contracts/out/BuyMeACoffee.json
        └── useBuyMeACoffeeContract.ts     ← deploy address

Importing updated ABI to frontend code

After updating your smart contract code, run forge build in the contracts folder. This will create a json in the contracts/out directory.

The output json contains additional information. We only need the abi property from that json object. Let's use jq to extract just the abi property

# from the "contract" folder

jq .abi out/BuyMeACoffee/BuyMeACoffee.json

Take the output of jq and update web/app/buy-me-coffee/_contracts/BuyMeACoffeeABI.ts

Done with first step!

Deploying your smart contract and updating frontend code

Make sure you got all the environment variables squared away in contracts/.env and get some base sepolia eth from a faucet!

To deploy your smart contract,

# from the "contract" folder

source .env && forge script script/LocalContract.s.sol:LocalContractScript  --broadcast --rpc-url https://sepolia.base.org

In the long output, find the value for Contract Address.

Copy that value and update web/app/buy-me-coffee/_contracts/useBuyMeACoffeeContract.ts with the new address.

Outro

This is one of the more error prone steps. Take it step by step.

If you are new smart contract deployment, just try deploying the existing BuyMeACoffee contract and replace the contract address. After, try updating BuyMeACoffee.sol and get the new ABI in your frontend code.

We are thinking of ways to make this step easier in the future! Happy hacking!