pragma solidity ^0.4.21; import "./DelegationProxyInterface.sol"; contract TrustNetworkInterface { function addTopic(bytes32 topicId, bytes32 parentTopic) public; function getTopic(bytes32 _topicId) public view returns (DelegationProxyInterface vote, DelegationProxyInterface veto); function getVoteDelegation(bytes32 _topicId) public view returns (DelegationProxyInterface voteDelegation); function getVetoDelegation(bytes32 _topicId) public view returns (DelegationProxyInterface vetoDelegation); }