gistfile1.txt

contract A {
    EthereumClaimRegistry ecr;
    event Log1(bytes b);
    function bbl(address reg, address iss, address sub, bytes32 key) {
        ecr = EthereumClaimRegistry(reg);
        bytes a = ecr.getClaim(iss, sub, key);
        Log1(a);
    }
}

contract EthereumClaimRegistry {

    mapping(address => mapping(address => mapping(bytes32 => bytes))) public registry;

    event ClaimAdded(
        address indexed issuer,
        address indexed subject,
        bytes32 indexed key,
        bytes value,
        uint updatedAt);

    event ClaimRemoved(
        address indexed issuer,
        address indexed subject,
        bytes32 indexed key,
        uint removedAt);

    // create or update clams
    function setClaim(address subject, bytes32 key, bytes value) public {
        registry[msg.sender][subject][key] = value;
        ClaimAdded(msg.sender, subject, key, value, now);
    }

    function getClaim(address issuer, address subject, bytes32 key) public constant returns(bytes) {
        return registry[issuer][subject][key];
    }

    function removeClaim(address issuer, address subject, bytes32 key) public {
        require(msg.sender == issuer || msg.sender == subject);
        delete registry[issuer][subject][key];
        ClaimRemoved(msg.sender, subject, key, now);
    }
}