Project Detail

truffle unbox pet-shop

This command generate boiler plate file and directory for truffle project

truffle migrate

To migrate the contract to blockchain
TO migrate the contract and deployed on blockchain
Make sure the ganache is open which is our local blockchain

truffle console

To go into truffle console mode

call function to check variable inside the contracts

Election.deployed().then(function(instance){app = instance;})

Meme.deployed().then(function(instance){app = instance;})

app.candidate();

'Candidate 1'

truffle migrate --reset

Blockchain is immutable (unchangeable) so we have to --reset everythin
It is like dropping all the table in database and starting from beginning

call function get candidate at 1
app.candidate(1).then( function(c){candidate =c;})
undefined truffle(development)> candidate
Result { '0': <BN: 1>, '1': 'Candidate 1',

'2': <BN: 0>, id: <BN: 1>, name: 'Candidate 1', voteCount: <BN: 0> } truffle(development)> candidate[0]
<BN: 1> truffle(development)> candidate[1]
'Candidate 1' truffle(development)> candidate[2]
<BN: 0> truffle(development)> candidate[2].toNumber()
0 truffle(development)>

See accounts in w3 command
web3.eth.getAccounts()

lite-server

npm run dev
This command run lite serve and open browser

Command to get all accounts

web3.eth.getAccounts().then(function(accounts){acc=accounts;})acc

web3.eth.getAccounts().then(function(allAcc){acc=allAcc;}).then(function(acc){selected=acc[0];})

Print the variable in truffle console

app.candidate(); ----------------- 'Candidate 1'

Friend List

app.addRequest('rpatel@csus.edu','smit@gmail.com')
app.addRequest('smit@gmail.com','vivek@gmail.com')
app.addRequest('vivek@gmail.com','smit@gmail.com')
app.addRequest('rpatel@csus.edu','vivek@gmail.com')
app.addRequest('vivek@gmail.com','rpatel@csus.edu')