Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
- Contract name:
- cityCare
- Optimization enabled
- true
- Compiler version
- v0.8.0+commit.c7dfd78e
- Optimization runs
- 200
- EVM Version
- default
- Verified at
- 2024-09-12T09:50:00.931359Z
Contract source code
pragma solidity ^0.8.0;
contract cityCare {
struct HealthRecord {
string recordHash;
string metadata;
uint256 timestamp;
bool active;
}
struct Citizen {
string did;
mapping(address => bool) authorizedProviders;
mapping(uint256 => HealthRecord) healthRecords;
uint256 recordCount;
bool registered;
}
address public cityAdmin;
mapping(address => bool) public registeredProviders;
mapping(address => Citizen) private citizens;
event CitizenRegistered(address indexed citizenAddress, string did);
event ProviderRegistered(address indexed providerAddress);
event HealthRecordAdded(address indexed citizenAddress, uint256 indexed recordId, string recordHash);
event AccessGranted(address indexed citizenAddress, address indexed providerAddress);
event AccessRevoked(address indexed citizenAddress, address indexed providerAddress);
modifier onlyCityAdmin() {
require(msg.sender == cityAdmin, "Only city admin can call this function");
_;
}
modifier onlyRegisteredCitizen() {
require(citizens[msg.sender].registered, "Only registered citizens can call this function");
_;
}
modifier onlyAuthorizedProvider(address _citizenAddress) {
require(registeredProviders[msg.sender], "Provider is not registered");
require(citizens[_citizenAddress].authorizedProviders[msg.sender], "Provider is not authorized for this citizen");
_;
}
constructor() {
cityAdmin = msg.sender;
}
function registerCitizen(string memory _did) public {
require(!citizens[msg.sender].registered, "Citizen already registered");
citizens[msg.sender].did = _did;
citizens[msg.sender].registered = true;
emit CitizenRegistered(msg.sender, _did);
}
function registerProvider(address _providerAddress) public onlyCityAdmin {
require(!registeredProviders[_providerAddress], "Provider already registered");
registeredProviders[_providerAddress] = true;
emit ProviderRegistered(_providerAddress);
}
function addHealthRecord(address _citizenAddress, string memory _recordHash, string memory _metadata) public onlyAuthorizedProvider(_citizenAddress) {
uint256 newRecordId = citizens[_citizenAddress].recordCount + 1;
citizens[_citizenAddress].healthRecords[newRecordId] = HealthRecord(_recordHash, _metadata, block.timestamp, true);
citizens[_citizenAddress].recordCount = newRecordId;
emit HealthRecordAdded(_citizenAddress, newRecordId, _recordHash);
}
function grantAccess(address _providerAddress) public onlyRegisteredCitizen {
require(registeredProviders[_providerAddress], "Provider is not registered");
citizens[msg.sender].authorizedProviders[_providerAddress] = true;
emit AccessGranted(msg.sender, _providerAddress);
}
function revokeAccess(address _providerAddress) public onlyRegisteredCitizen {
citizens[msg.sender].authorizedProviders[_providerAddress] = false;
emit AccessRevoked(msg.sender, _providerAddress);
}
function getHealthRecord(uint256 _recordId) public view returns (string memory, string memory, uint256, bool) {
require(citizens[msg.sender].registered, "Only registered citizens can access their records");
HealthRecord memory record = citizens[msg.sender].healthRecords[_recordId];
require(record.timestamp != 0, "Record does not exist");
return (record.recordHash, record.metadata, record.timestamp, record.active);
}
function isProviderAuthorized(address _citizenAddress, address _providerAddress) public view returns (bool) {
return citizens[_citizenAddress].authorizedProviders[_providerAddress];
}
function getCitizenDID(address _citizenAddress) public view returns (string memory) {
require(citizens[_citizenAddress].registered, "Citizen not registered");
return citizens[_citizenAddress].did;
}
function getRecordCount(address _citizenAddress) public view returns (uint256) {
require(citizens[_citizenAddress].registered, "Citizen not registered");
return citizens[_citizenAddress].recordCount;
}
}
Contract ABI
[{"type":"constructor","stateMutability":"nonpayable","inputs":[]},{"type":"event","name":"AccessGranted","inputs":[{"type":"address","name":"citizenAddress","internalType":"address","indexed":true},{"type":"address","name":"providerAddress","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"AccessRevoked","inputs":[{"type":"address","name":"citizenAddress","internalType":"address","indexed":true},{"type":"address","name":"providerAddress","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"CitizenRegistered","inputs":[{"type":"address","name":"citizenAddress","internalType":"address","indexed":true},{"type":"string","name":"did","internalType":"string","indexed":false}],"anonymous":false},{"type":"event","name":"HealthRecordAdded","inputs":[{"type":"address","name":"citizenAddress","internalType":"address","indexed":true},{"type":"uint256","name":"recordId","internalType":"uint256","indexed":true},{"type":"string","name":"recordHash","internalType":"string","indexed":false}],"anonymous":false},{"type":"event","name":"ProviderRegistered","inputs":[{"type":"address","name":"providerAddress","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"addHealthRecord","inputs":[{"type":"address","name":"_citizenAddress","internalType":"address"},{"type":"string","name":"_recordHash","internalType":"string"},{"type":"string","name":"_metadata","internalType":"string"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"cityAdmin","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"","internalType":"string"}],"name":"getCitizenDID","inputs":[{"type":"address","name":"_citizenAddress","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"","internalType":"string"},{"type":"string","name":"","internalType":"string"},{"type":"uint256","name":"","internalType":"uint256"},{"type":"bool","name":"","internalType":"bool"}],"name":"getHealthRecord","inputs":[{"type":"uint256","name":"_recordId","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getRecordCount","inputs":[{"type":"address","name":"_citizenAddress","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"grantAccess","inputs":[{"type":"address","name":"_providerAddress","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isProviderAuthorized","inputs":[{"type":"address","name":"_citizenAddress","internalType":"address"},{"type":"address","name":"_providerAddress","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"registerCitizen","inputs":[{"type":"string","name":"_did","internalType":"string"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"registerProvider","inputs":[{"type":"address","name":"_providerAddress","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"registeredProviders","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"revokeAccess","inputs":[{"type":"address","name":"_providerAddress","internalType":"address"}]}]
Contract Creation Code
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