Hippocrates smart contract to upload the IPFS hash from the hippocrates passport

hippocratesSmartContract.sol

pragma solidity ^0.4.17;
contract Contract {
 string ipfsHash;
 
 function sendHippocratesHash(string x) public {
   ipfsHash = x;
 }

 function getHipocrattesHash() public view returns (string x) {
   return ipfsHash;
 }
}