Blyptor-smart-contract

pragma solidity ^0.4.17;

contract authorContract {

// current blog id increments on every upload object
uint currentId = 1;
uint grantId = 1;

struct UploadObject {
	// this is the public address of the author
	address authorAddress; 
	// file hash that contains encypted data
	string ciphertext;
	// capsule id
	string capsuleId;
}

struct GrantObject {
	// proxy re-encryption related data
	string policyId;
	string capsuleId;
	string signedPublicKey;
	string pubKey;
}

// user and their upload id
// mapping (address => uint[]) public addressUploadID;

// map between the id and its data
mapping (uint => UploadObject) public idUploadObject;
mapping (uint => GrantObject) public idGrantObject;

// add new entry
function addArticle(address _from, string ciphertext, string capsuleId) public returns(uint) {
	idUploadObject[currentId].authorAddress = _from;
	idUploadObject[currentId].ciphertext = ciphertext;
	idUploadObject[currentId].capsuleId = capsuleId;

	currentId = currentId + 1;
	return currentId;
}

function addGrant(string policyId, string capsuleId, string signedPublicKey, string pubKey) public returns(uint) {
	idGrantObject[grantId].policyId = policyId;
	idGrantObject[grantId].capsuleId = capsuleId;
	idGrantObject[grantId].signedPublicKey = signedPublicKey;
	idGrantObject[grantId].pubKey = pubKey;

	grantId = grantId + 1;
	return grantId;
}

// get existing documents for an address
function getArticle(string capsuleId) public view returns(address, string, string) {
	for (uint index = 1; index <= currentId; index++) {
		if(keccak256(idUploadObject[index].capsuleId) == keccak256(capsuleId)) {
			return (idUploadObject[index].authorAddress, idUploadObject[index].ciphertext, idUploadObject[index].capsuleId);
		}
	}
}

function getGrant(string policyId) public view returns(string, string, string, string) {
	for (uint index = 1; index <= currentId; index++) {
		if(keccak256(idGrantObject[index].policyId) == keccak256(policyId)) {
			return (idGrantObject[index].policyId, idGrantObject[index].capsuleId, idGrantObject[index].signedPublicKey, idGrantObject[index].signedPublicKey);
		}
	}
}

function getCurrentId() public view returns(uint) {
	return currentId;
}

function getGrantId() public view returns(uint) {
	return grantId;
}

}