• truffle, nodejs based toolsuite for development https://trufflesuite.com/docs/
• gananche, personal ethereum chain for testing https://trufflesuite.com/ganache/
• solidity https://docs.soliditylang.org/en/v0.8.14/contracts.html
• openzeppelin https://github.com/OpenZeppelin/openzeppelin-contracts

npm i -g truffle
truffle init
npm init
npm i -s @openzeppelin/contracts

Truffle Config

https://trufflesuite.com/docs/truffle/reference/configuration

To config truffle, truffle-config.js is created by truffle init, along with initial contract Migrations.sol, There are some commons settings

• networks: used by truffle deploy(migrate),console commands. should specify --network {networkKey} argument to use the exact network config. if no argument is provided, development will be used by default.
• console: used by truffle console/develop, to define variable injected to console mode
• dashboard: define the host, port… used for truffle dashboard. It will start a webpage and let you sign transactions using metamask rather the raw privatekey or mnemonic
• macha: truffle use mocha as testing framework, so this field is config for mocha related
• compilers: specify which compiler to use to compile

What’s the difference between truffle console and truffle develop:

https://trufflesuite.com/docs/truffle/getting-started/using-truffle-develop-and-the-console/#why-two-different-consoles

• truffle console: a basic interactive console connecting to any Ethereum client
• truffle develop: an interactive console that also spawns a development chain

Truffle Interactive Console

https://trufflesuite.com/docs/truffle/getting-started/interacting-with-your-contracts/

Differences between transactions and calls