Ethereum-dApp

Using ethereum blockchain to develop a voting Dapp

using ethereum in postman https://documenter.getpostman.com/view/4117254/ethereum-json-rpc/RVu7CT5J#ac5be134-204f-3aa2-d527-e973cc2df968

commands

reset cc

truffle migrate --reset

opening truffle cmdp from console

truffle console

running cc from truffle console

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

view accounts

app.web3.accounts

running server

npm run dev

On Voting: Transaction

{ tx: '0xe2ffc66a4edc7b6d705aab7728c697a466e666622eeaa19e5c12966189903b33',
  receipt:
   { transactionHash: '0xe2ffc66a4edc7b6d705aab7728c697a466e666622eeaa19e5c12966189903b33',
     transactionIndex: 0,
     blockHash: '0x16f82f893f36fdf0660a131b2c559c52256925dc0802c76dfc262a337a9e4e78',
     blockNumber: 5,
     gasUsed: 62946,
     cumulativeGasUsed: 62946,
     contractAddress: null,
     logs: [],
     status: '0x1',
     logsBloom: '0x00000000000000000000000000....0000' },
  logs: [] }
  

on voting twice or voting for invalid candidate

Error: VM Exception while processing transaction: revert
   at XMLHttpRequest._onHttpResponseEnd (C:\...\npm\node_modules\truffle\build\webpack:\~\xhr2\lib\xhr2.js:509:1)
   at XMLHttpRequest._setReadyState (C:\...g\npm\node_modules\truffle\build\webpack:\~\xhr2\lib\xhr2.js:354:1)
   at XMLHttpRequestEventTarget.dispatchEvent (C:\...Roaming\npm\node_modules\truffle\build\webpack:\~\xhr2\lib\xhr2.js:64:1)
   at XMLHttpRequest.request.onreadystatechange (C:\..npm\node_modules\truffle\build\webpack:\~\web3\lib\web3\httpprovider.js:128:1)
   at C:\...\npm\node_modules\truffle\build\webpack:\packages\truffle-provider\wrapper.js:134:1
   at C:\...\npm\node_modules\truffle\build\webpack:\~\web3\lib\web3\requestmanager.js:86:1
   at Object.InvalidResponse (C:\...\npm\node_modules\truffle\build\webpack:\~\web3\lib\web3\errors.js:38:1)