Blockchain Query Notary Service

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Contract for the Versioning Scheme


For more information see this paper
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Contract for the Basic Scheme


If you want a Personal Contract for your query insert your question in the box below. For more information see this paper
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Contract TypeAbi. It can be used for personal validation by the user
Personal [{"inputs": [{"name": "_hashValue","type": "bytes32"}],"payable": false,"stateMutability": "nonpayable","type": "constructor"},{"constant": true,"inputs": [],"name": "getdata","outputs": [{"name": "_data","type": "bytes32"}],"payable": false,"stateMutability": "view","type": "function"}]
General[{"constant": false,"inputs": [{"name": "_queryhash","type": "bytes32"},{"name": "_answerhash","type": "bytes32"},{"name": "_timekey","type": "uint256"}],"name": "addValue","outputs": [],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [{"name": "_queryhash","type": "bytes32"}],"name": "returnLatest","outputs": [{"name": "","type": "bytes32"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": true,"inputs": [{"name": "_queryhash","type": "bytes32"},{"name": "_answerhash","type": "bytes32"}],"name": "returntime","outputs": [{"name": "_from","type": "uint256"},{"name": "_since","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": true,"inputs": [{"name": "_queryhash","type": "bytes32"},{"name": "_cursor","type": "uint256"},{"name": "_amount","type": "uint256"}],"name": "getAll","outputs": [{"name": "values","type": "bytes32[]"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": true,"inputs": [{"name": "_queryhash","type": "bytes32"}],"name": "getLength","outputs": [{"name": "","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": true,"inputs": [{"name": "_queryhash","type": "bytes32"}],"name": "getTimekey","outputs": [{"name": "","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"}]

The balance of the Ethereum account that executes the transcactions is Ether

The address of the general contract is:0x19c968414413eFEE61bB05BB66c53848eeb71abF