My Ethereum experiments Write a sample auction contract and made a local test with truffle network

step 1: install truffle

npm install -g truffle

step 2: truffle init

truffle init

it creates the truffle project in your directory

step 3 write your smart contact on truffle project contracts directory

step 4 truffle compile

truffle compile

step 5 To test the contract with blockchain network, we need a sample network truffle has its on sample blockchain , you can get it by writting

truffle develop

it shows 10 accounts and its keyhaskes, you can use any of the account to test with.

step 6 Install Web3

npm install web3

This java script tool help you to connect with the blockchain network, it has some method to connect your bloackchain. the web3 tool need your compiled code of your contact, its called abi or Application binary interface you can get that from build folder for the app.

step 7

create your own test file in apps test folder using web3.

please look more about web3 methods