Resource Sharing of Smart City Based on Blockchain

Code 1

Simplified code for a single smart contract.

contract SingleContractModel{

uint cnt;

struct Dealing{

 uint dealingValue; }

mapping(uint => Dealing) private Dealings;

function buildDealing(uint _dealing Value){

  cnt += 1;

  var newDealing = Dealing({

   dealingValue:_dealingValue });

  Dealings[ent] = newDealing;

 }}