Download the program here: https://github.com/oort-tech/Huygens_smartcontract_101/archive/refs/heads/master.zip

Install

Go to the source directory and open terminal, please run this command.

npm install

Config

Rename .env.example to .env and open it, then fill the Huygens_dev/huygens url and account's private key.

HUYGENS_DEV_URL=http://18.182.45.18:8765
HUYGENS_DEV_PRIVATE_KEY=Your Huygens_dev account's private key for deployment
HUYGENS_URL=http://13.212.177.203:8765
HUYGENS_PRIVATE_KEY=Your Huygens account's private key for deployment

Import the account to remote node and unlock it

You should import account sepecified in HUYGENS_DEV_PRIVATE_KEY to Huygens_dev remote node in http://18.182.45.18:8765 or you should import account specifed in HUYGENS_PRIVATE_KEY to Huygens remote node in http://13.212.177.203:8765. It depends on which environment you are using for debugging and developing. Otherwise, there is an ProviderError: Invalid account error.

Read the Web3 compatibility section in CCN document for details. https://computecoin-network.gitbook.io/computecoin-network/for-developers/smart-contract-developers/web3-compatibility

This step will not be required after the CCN mainnet launch.

Deploy and test the contract on Huygens_Dev

npx hardhat run scripts/contract.js --network Huygens_dev

Deploy and test the contract on Huygens

npx hardhat run scripts/contract.js --network Huygens

Once deployed, you can see the Contract's address and it's balance on terminal.