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near-blank-project

This app was initialized with create-near-app

Quick Start

If you haven't installed dependencies during setup:

npm install

Build and deploy your contract to TestNet with a temporary dev account:

npm run deploy

Test your contract:

npm test

If you have a frontend, run npm start. This will run a dev server.

Exploring The Code

  1. The smart-contract code lives in the /contract folder. See the README there for more info. In blockchain apps the smart contract is the "backend" of your app.
  2. The frontend code lives in the /frontend folder. /frontend/index.html is a great place to start exploring. Note that it loads in /frontend/index.js, this is your entrypoint to learn how the frontend connects to the NEAR blockchain.
  3. Test your contract: npm test, this will run the tests in integration-tests directory.

Deploy

Every smart contract in NEAR has its own associated account. When you run npm run deploy, your smart contract gets deployed to the live NEAR TestNet with a temporary dev account. When you're ready to make it permanent, here's how:

Step 0: Install near-cli (optional)

near-cli is a command line interface (CLI) for interacting with the NEAR blockchain. It was installed to the local node_modules folder when you ran npm install, but for best ergonomics you may want to install it globally:

npm install --global near-cli

Or, if you'd rather use the locally-installed version, you can prefix all near commands with npx

Ensure that it's installed with near --version (or npx near --version)

Step 1: Create an account for the contract

Each account on NEAR can have at most one contract deployed to it. If you've already created an account such as your-name.testnet, you can deploy your contract to near-blank-project.your-name.testnet. Assuming you've already created an account on NEAR Wallet, here's how to create near-blank-project.your-name.testnet:

  1. Authorize NEAR CLI, following the commands it gives you:

    near login

  2. Create a subaccount (replace YOUR-NAME below with your actual account name):

    near create-account near-blank-project.YOUR-NAME.testnet --masterAccount YOUR-NAME.testnet

Step 2: deploy the contract

Use the CLI to deploy the contract to TestNet with your account ID. Replace PATH_TO_WASM_FILE with the wasm that was generated in contract build directory.

near deploy --accountId near-blank-project.YOUR-NAME.testnet --wasmFile PATH_TO_WASM_FILE

Step 3: set contract name in your frontend code

Modify the line in src/config.js that sets the account name of the contract. Set it to the account id you used above.

const CONTRACT_NAME = process.env.CONTRACT_NAME || 'near-blank-project.YOUR-NAME.testnet'

Troubleshooting

On Windows, if you're seeing an error containing EPERM it may be related to spaces in your path. Please see this issue for more details.