Server

• API endpoint: http://api.lab.bkchain.tk/
• Dashboard: http://admin.lab.bkchain.tk/
• Old dashboard: http://lab.bkchain.tk/
• Static files for upload: http://static.lab.bkchain.tk/

Quickstart

• Clone repository, installing packages with npm or yarn
• Copy file .env.example to file .env with the same path.
• Change variables in new file .env with your values.

APIs

View docs/APIs.md

On postman: https://documenter.getpostman.com/view/2583401/RzZ9FK8g

Notes

Compile smart contract with Truffle

With truffle is installed as devDependencies, you can run truffle by:

# Run directly
./node_modules/.bin/truffle compile

# Run via package.json
yarn run sol
yarn sol

Solidity files in contracts/*.sol will be compiled to build/contracts/*.json

Start EVM with Ganache CLI

With ganache-cli is installed as devDependencies, you can run local EVM with ganache by:

# Run directly
./node_modules/.bin/ganache-cli

# Run via package.json
npm run evm
yarn evm

It will run on 127.0.0.1:8545

Document for Web3js version 1.0

• Manage accounts and wallet:
  • Private Key to Account: https://web3js.readthedocs.io/en/1.0/web3-eth-accounts.html#privatekeytoaccount
  • Add account to wallet: https://web3js.readthedocs.io/en/1.0/web3-eth-accounts.html#wallet-add
  • Remove account from wallet: https://web3js.readthedocs.io/en/1.0/web3-eth-accounts.html#wallet-remove
• Deploy smart contract: https://web3js.readthedocs.io/en/1.0/web3-eth-contract.html#deploy
• Use methods in Contract:
  • Call: https://web3js.readthedocs.io/en/1.0/web3-eth-contract.html#methods-mymethod-call
  • Send: https://web3js.readthedocs.io/en/1.0/web3-eth-contract.html#methods-mymethod-send
• Some utils:
  • toHex: https://web3js.readthedocs.io/en/1.0/web3-utils.html#tohex
  • toWei: https://web3js.readthedocs.io/en/1.0/web3-utils.html#towei
  • hexToBytes: https://web3js.readthedocs.io/en/1.0/web3-utils.html#hextobytes