ethereum-sandbox

• basic-smart-contract:

How to start

to start quickly,

• Copy-Paste Inbox.sol content into Remix IDE which covers,
  • Free Accounts w/ ETHER,
  • IDE,
  • Testing and
  • Ethereum VM inside.
• Select Rinkeby Test Network . Which comes predefined accounts loaded w/ ETHER.

to start on your local and write tests and manually create Ethereum projects, You need: other things, below. basic-smart-contract project was created like below.

• npm init to initialize manually package.json
• npm install --save solc@0.4.25 solidity compiler
• npm i -save mocha for testing contracts
• npm i -save web3 for web3 framework to do things w/ ethereum
• npm i --save ganache-cli for ganache local ethereum vm

to deploy Rinkeby Test Network

1. Initialize MetaMask account in chrome browser. Save your Mnemonic!
2. To get free Ether into your MetaMask account, use this url
3. Create an account on infura.io to connect specific node on Rinkeby network.
   • create a project.
   • copy endpoint of Rinkeby !! Not main network :)
4. Need truffle-hdwallet-provider this time. npm i --save @truffle/hdwallet-provider
5. Run node deploy.js, then get deployed address
6. Search that address in https://rinkeby.etherscan.io/ or in remix.ethereum.org, change Environment to injected Web3. Then At Address, enter deployed address to interact w/ deployed contract

to start on your local and easily create Ethereum projects, You need:

• install ganache-cli for local Ethereum VM npm install -g ganache-cli.
  • Run ganache-cli to open server on 127.0.0.1:8545 !
• install truffle for easy development npm install truffle -g