added ballot box aux contract

secure-vote · Jul 30, 2018 · 321d960 · 321d960
1 parent b0264a5
commit 321d960
Showing 1 changed file with 80 additions and 0 deletions.
diff --git a/contracts/BallotDetailsAux.sol b/contracts/BallotDetailsAux.sol
@@ -0,0 +1,80 @@
+pragma solidity 0.4.24;
+
+interface IndexInterface {
+    function getBBFarm(uint8) external view returns (BBFarmInterface);
+    function getBBFarmID(bytes4) external view returns (uint8);
+    function getBackend() external view returns (BackendInterface);
+}
+
+interface BackendInterface {
+    function getDBallotID(bytes32, uint) external view returns (uint256);
+}
+
+interface BBFarmInterface {
+    function getDetails(uint, address) external view returns 
+        ( bool hasVoted
+        , uint nVotesCast
+        , bytes32 secKey
+        , uint16 submissionBits
+        , uint64 startTime
+        , uint64 endTime
+        , bytes32 specHash
+        , bool deprecated
+        , address ballotOwner
+        , bytes16 extraData 
+        );
+}
+
+
+contract BBFarmAux2 {
+    function _ballotIdToNamespace(uint ballotId) internal pure returns (bytes4) {
+        return bytes4(ballotId >> 224);
+    }
+
+    function getBBFarmAddressFromBallotId(IndexInterface ix, uint256 ballotId) internal view returns (address) {
+        return ix.getBBFarm(ix.getBBFarmID(_ballotIdToNamespace(ballotId)));
+    }
+
+    function getBallotId(BackendInterface ixBackend, bytes32 democHash, uint ballotN) internal view returns (uint ballotId) {
+        ballotId = ixBackend.getDBallotID(democHash, ballotN);
+    }
+
+    function getBBFarmAddressAndBallotId(IndexInterface ix, bytes32 democHash, uint ballotN) external view returns (address bbFarmAddress, uint256 ballotId) {
+        ballotId =  getBallotId(ix.getBackend(), democHash, ballotN);
+        bbFarmAddress = getBBFarmAddressFromBallotId(ix, ballotId);
+    }
+
+    function getBallotDetails(uint ballotId, BBFarmInterface bbFarm, address voterAddress) external view returns 
+        ( bool hasVoted
+        , uint nVotesCast
+        , bytes32 secKey
+        , uint16 submissionBits
+        , uint64 startTime
+        , uint64 endTime
+        , bytes32 specHash
+        , bool deprecated
+        , address ballotOwner
+        , bytes16 extraData 
+        )
+    {
+        return bbFarm.getDetails(ballotId, voterAddress);
+    }
+
+    function ballotIdToDetails(IndexInterface ix, uint ballotId) external view returns 
+        ( uint nVotesCast
+        , bytes32 secKey
+        , uint16 submissionBits
+        , uint64 startTime
+        , uint64 endTime
+        , bytes32 specHash
+        , bool deprecated
+        // , address ballotOwner
+        // , bytes16 extraData 
+        )
+    {
+        BBFarmInterface bbFarm = ix.getBBFarm(ix.getBBFarmID(_ballotIdToNamespace(ballotId)));
+        (, nVotesCast, secKey, submissionBits, startTime, endTime, specHash, deprecated,,) = bbFarm.getDetails(ballotId, address(0));
+    }
+
+}
+