Environment

For easy variable management and editing, we will create environment variables.

.env

In the main project directory, create a file named .env with the following content:

ACCOUNT_PRIVATE_KEY=

SUDT_ID=30
SUDT_NAME=Nervos Ethereum
SUDT_SYMBOL=ckETH
SUDT_TOTAL_SUPPLY=1000000000

ROLLUP_TYPE_HASH=0x4cc2e6526204ae6a2e8fcf12f7ad472f41a1606d5b9624beebd215d780809f6a
GODWOKEN_RPC_URL=https://godwoken-testnet-web3-rpc.ckbapp.dev
ETH_ACCOUNT_LOCK_CODE_HASH=0xdeec13a7b8e100579541384ccaf4b5223733e4a5483c3aec95ddc4c1d5ea5b22

SUDT_PROXY_CONTRACT_ADDRESS=
FANCY_CONTRACT_ADDRESS=

Analysis

Below you will find information on what each variable is responsible for.

Carefully! Remember never to share your private key anywhere or add a completed .env file with sensitive data to the repositories.

Contracts

  • ACCOUNT_PRIVATE_KEY: It is a private key used to deploy previously prepared contracts.
  • SUDT_PROXY_CONTRACT_ADDRESS: The address of the previously prepared proxy contract. To be completed later after deploying.
  • FANCY_CONTRACT_ADDRESS: The address of the previously prepared dapp contract. To be completed later after deploying.

SUDT

This is information about the token used in dApp. The default is ckETH, the ETH version of the CKB network. There is no need to change this data. Only change them when you want to use a different cryptocurrency.

  • SUDT_ID=30
  • SUDT_NAME=Nervos Ethereum
  • SUDT_SYMBOL=ckETH
  • SUDT_TOTAL_SUPPLY=1000000000

Web 3

This data should not be changed! These are official variables used when working with the Godwoken network and creating test dApps with the participation of CKB.

  • ROLLUP_TYPE_HASH=0x4cc2e6526204ae6a2e8fcf12f7ad472f41a1606d5b9624beebd215d780809f6a
  • GODWOKEN_RPC_URL=https://godwoken-testnet-web3-rpc.ckbapp.dev
  • ETH_ACCOUNT_LOCK_CODE_HASH=0xdeec13a7b8e100579541384ccaf4b5223733e4a5483c3aec95ddc4c1d5ea5b22
Packages Contracts