{
  "contractName": "XBRNetwork",
  "abi": [
    {
      "constant": true,
      "inputs": [],
      "name": "organization",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [],
      "name": "renounceMaintainer",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "account",
          "type": "address"
        }
      ],
      "name": "addMaintainer",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "account",
          "type": "address"
        }
      ],
      "name": "isMaintainer",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "token",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "name": "token_",
          "type": "address"
        },
        {
          "name": "organization_",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "member",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "eula",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "profile",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "level",
          "type": "uint8"
        }
      ],
      "name": "MemberCreated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": false,
          "name": "member",
          "type": "address"
        }
      ],
      "name": "MemberRetired",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "domainSeq",
          "type": "uint32"
        },
        {
          "indexed": false,
          "name": "status",
          "type": "uint8"
        },
        {
          "indexed": false,
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "domainKey",
          "type": "bytes32"
        },
        {
          "indexed": false,
          "name": "license",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "terms",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "meta",
          "type": "string"
        }
      ],
      "name": "DomainCreated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "domainSeq",
          "type": "uint32"
        },
        {
          "indexed": false,
          "name": "status",
          "type": "uint8"
        },
        {
          "indexed": false,
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "domainKey",
          "type": "bytes32"
        },
        {
          "indexed": false,
          "name": "license",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "terms",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "meta",
          "type": "string"
        }
      ],
      "name": "DomainUpdated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "status",
          "type": "uint8"
        }
      ],
      "name": "DomainClosed",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "nodeId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "nodeKey",
          "type": "bytes32"
        },
        {
          "indexed": false,
          "name": "config",
          "type": "string"
        }
      ],
      "name": "NodePaired",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "nodeId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "nodeKey",
          "type": "bytes32"
        },
        {
          "indexed": false,
          "name": "config",
          "type": "string"
        }
      ],
      "name": "NodeUpdated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "nodeId",
          "type": "bytes16"
        }
      ],
      "name": "NodeReleased",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "marketSeq",
          "type": "uint32"
        },
        {
          "indexed": false,
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "terms",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "meta",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "maker",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "providerSecurity",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "consumerSecurity",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "marketFee",
          "type": "uint256"
        }
      ],
      "name": "MarketCreated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "marketSeq",
          "type": "uint32"
        },
        {
          "indexed": false,
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "terms",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "meta",
          "type": "string"
        },
        {
          "indexed": false,
          "name": "maker",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "providerSecurity",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "consumerSecurity",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "marketFee",
          "type": "uint256"
        }
      ],
      "name": "MarketUpdated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "MarketClosed",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "actor",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "actorType",
          "type": "uint8"
        },
        {
          "indexed": false,
          "name": "security",
          "type": "uint256"
        }
      ],
      "name": "ActorJoined",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "actor",
          "type": "address"
        }
      ],
      "name": "ActorLeft",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "sender",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "delegate",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "receiver",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "channel",
          "type": "address"
        }
      ],
      "name": "PaymentChannelCreated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "indexed": false,
          "name": "sender",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "delegate",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "receiver",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "amount",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "timeout",
          "type": "uint32"
        }
      ],
      "name": "PayingChannelRequestCreated",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "account",
          "type": "address"
        }
      ],
      "name": "MaintainerAdded",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "account",
          "type": "address"
        }
      ],
      "name": "MaintainerRemoved",
      "type": "event"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "eula",
          "type": "string"
        },
        {
          "name": "profile",
          "type": "string"
        }
      ],
      "name": "register",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [],
      "name": "unregister",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "member",
          "type": "address"
        }
      ],
      "name": "getMemberLevel",
      "outputs": [
        {
          "name": "",
          "type": "uint8"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "member",
          "type": "address"
        }
      ],
      "name": "getMemberEula",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "member",
          "type": "address"
        }
      ],
      "name": "getMemberProfile",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "member",
          "type": "address"
        },
        {
          "name": "level",
          "type": "uint8"
        }
      ],
      "name": "setMemberLevel",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "name": "domainKey",
          "type": "bytes32"
        },
        {
          "name": "license",
          "type": "string"
        },
        {
          "name": "terms",
          "type": "string"
        },
        {
          "name": "meta",
          "type": "string"
        }
      ],
      "name": "createDomain",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        }
      ],
      "name": "closeDomain",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        }
      ],
      "name": "getDomainStatus",
      "outputs": [
        {
          "name": "",
          "type": "uint8"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        }
      ],
      "name": "getDomainOwner",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        }
      ],
      "name": "getDomainKey",
      "outputs": [
        {
          "name": "",
          "type": "bytes32"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        }
      ],
      "name": "getDomainLicense",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        }
      ],
      "name": "getDomainTerms",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "domainId",
          "type": "bytes16"
        }
      ],
      "name": "getDomainMeta",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "nodeId",
          "type": "bytes16"
        },
        {
          "name": "domainId",
          "type": "bytes16"
        },
        {
          "name": "nodeType",
          "type": "uint8"
        },
        {
          "name": "nodeKey",
          "type": "bytes32"
        },
        {
          "name": "config",
          "type": "string"
        }
      ],
      "name": "pairNode",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "nodeId",
          "type": "bytes16"
        }
      ],
      "name": "releaseNode",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "nodeKey",
          "type": "bytes32"
        }
      ],
      "name": "getNodeByKey",
      "outputs": [
        {
          "name": "",
          "type": "bytes16"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "nodeId",
          "type": "bytes16"
        }
      ],
      "name": "getNodeDomain",
      "outputs": [
        {
          "name": "",
          "type": "bytes16"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "nodeId",
          "type": "bytes16"
        }
      ],
      "name": "getNodeType",
      "outputs": [
        {
          "name": "",
          "type": "uint8"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "nodeId",
          "type": "bytes16"
        }
      ],
      "name": "getNodeKey",
      "outputs": [
        {
          "name": "",
          "type": "bytes32"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "nodeId",
          "type": "bytes16"
        }
      ],
      "name": "getNodeConfig",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "name": "terms",
          "type": "string"
        },
        {
          "name": "meta",
          "type": "string"
        },
        {
          "name": "maker",
          "type": "address"
        },
        {
          "name": "providerSecurity",
          "type": "uint256"
        },
        {
          "name": "consumerSecurity",
          "type": "uint256"
        },
        {
          "name": "marketFee",
          "type": "uint256"
        }
      ],
      "name": "createMarket",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "maker",
          "type": "address"
        }
      ],
      "name": "getMarketByMaker",
      "outputs": [
        {
          "name": "",
          "type": "bytes16"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getMarketOwner",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getMarketTerms",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getMarketMeta",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getMarketMaker",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getMarketProviderSecurity",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getMarketConsumerSecurity",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getMarketFee",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "name": "terms",
          "type": "string"
        },
        {
          "name": "meta",
          "type": "string"
        },
        {
          "name": "maker",
          "type": "address"
        },
        {
          "name": "providerSecurity",
          "type": "uint256"
        },
        {
          "name": "consumerSecurity",
          "type": "uint256"
        },
        {
          "name": "marketFee",
          "type": "uint256"
        }
      ],
      "name": "updateMarket",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "closeMarket",
      "outputs": [],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "name": "actorType",
          "type": "uint8"
        }
      ],
      "name": "joinMarket",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getAllMarketActors",
      "outputs": [
        {
          "name": "",
          "type": "address[]"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "name": "actor",
          "type": "address"
        }
      ],
      "name": "getMarketActorType",
      "outputs": [
        {
          "name": "",
          "type": "uint8"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "name": "actor",
          "type": "address"
        }
      ],
      "name": "getMarketActorSecurity",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "leaveMarket",
      "outputs": [],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "name": "consumer",
          "type": "address"
        },
        {
          "name": "amount",
          "type": "uint256"
        }
      ],
      "name": "openPaymentChannel",
      "outputs": [
        {
          "name": "paymentChannel",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        }
      ],
      "name": "getAllMarketPaymentChannels",
      "outputs": [
        {
          "name": "",
          "type": "address[]"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "marketId",
          "type": "bytes16"
        },
        {
          "name": "provider",
          "type": "address"
        },
        {
          "name": "amount",
          "type": "uint256"
        }
      ],
      "name": "requestPayingChannel",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "bytecode": 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  "source": "///////////////////////////////////////////////////////////////////////////////\n//\n//  Copyright (C) 2018 Crossbar.io Technologies GmbH and contributors.\n//\n//  Licensed under the Apache License, Version 2.0 (the \"License\");\n//  you may not use this file except in compliance with the License.\n//  You may obtain a copy of the License at\n//\n//      http://www.apache.org/licenses/LICENSE-2.0\n//\n//  Unless required by applicable law or agreed to in writing, software\n//  distributed under the License is distributed on an \"AS IS\" BASIS,\n//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n//  See the License for the specific language governing permissions and\n//  limitations under the License.\n//\n///////////////////////////////////////////////////////////////////////////////\n\npragma solidity ^0.5.2;\n\n// https://openzeppelin.org/api/docs/math_SafeMath.html\nimport \"openzeppelin-solidity/contracts/math/SafeMath.sol\";\n\nimport \"./XBRToken.sol\";\nimport \"./XBRMaintained.sol\";\nimport \"./XBRPaymentChannel.sol\";\n\n\n/**\n * @title XBR Network main smart contract.\n * @author The XBR Project\n */\ncontract XBRNetwork is XBRMaintained {\n\n    // Add safe math functions to uint256 using SafeMath lib from OpenZeppelin\n    using SafeMath for uint256;\n\n    // //////// enums\n\n    /// XBR Network membership levels\n    enum MemberLevel { NULL, ACTIVE, VERIFIED, RETIRED, PENALTY, BLOCKED }\n\n    /// XBR Market Actor types\n    enum ActorType { NULL, NETWORK, MARKET, PROVIDER, CONSUMER }\n\n    /// XBR Domain status values\n    enum DomainStatus { NULL, ACTIVE, CLOSED }\n\n    /// XBR Carrier Node types\n    enum NodeType { NULL, MASTER, CORE, EDGE }\n\n    // //////// container types\n\n    /// Container type for holding XBR Network membership information.\n    struct Member {\n        string eula;\n        string profile;\n        MemberLevel level;\n    }\n\n    /// Container type for holding XBR Domain information.\n    struct Domain {\n        /// Domain sequence.\n        uint32 domainSeq;\n\n        /// Domain status\n        DomainStatus status;\n\n        /// Domain owner.\n        address owner;\n\n        /// Domain signing key (Ed25519 public key).\n        bytes32 domainKey;\n\n        /// Software stack license file on IPFS (required).\n        string license;\n\n        /// Optional domain terms on IPFS.\n        string terms;\n\n        /// Optional domain metadata on IPFS.\n        string meta;\n\n        /// Nodes within the domain.\n        bytes16[] nodes;\n    }\n\n    /// Container type for holding XBR Domain Nodes information.\n    struct Node {\n        bytes16 domain;\n\n        /// Type of node.\n        NodeType nodeType;\n\n        /// Node key (Ed25519 public key).\n        bytes32 key;\n\n        /// Optional (encrypted) node configuration on IPFS.\n        string config;\n    }\n\n    /// Container type for holding XBR Market information.\n    struct Market {\n        uint32 marketSeq;\n        address owner;\n        string terms;\n        string meta;\n        address maker;\n        uint256 providerSecurity;\n        uint256 consumerSecurity;\n        uint256 marketFee;\n        address[] channels;\n        address[] actorAddresses;\n        mapping(address => Actor) actors;\n    }\n\n    /// Container type for holding XBR Market Actors information.\n    struct Actor {\n        ActorType actorType;\n        uint256 security;\n    }\n\n    /// Container type for holding paying channel request information. FIXME: make this event-based (to save gas).\n    struct PayingChannelRequest {\n        bytes16 marketId;\n        address sender;\n        address delegate;\n        address recipient;\n        uint256 amount;\n        uint32 timeout;\n    }\n\n    // //////// events for MEMBERS\n\n    /// Event emitted when a new member joined the XBR Network.\n    event MemberCreated (address indexed member, string eula, string profile, MemberLevel level);\n\n    /// Event emitted when a member leaves the XBR Network.\n    event MemberRetired (address member);\n\n    // //////// events for DOMAINS\n\n    /// Event emitted when a new domain was created.\n    event DomainCreated (bytes16 indexed domainId, uint32 domainSeq, DomainStatus status, address owner,\n        bytes32 domainKey, string license, string terms, string meta);\n\n    /// Event emitted when a domain was updated.\n    event DomainUpdated (bytes16 indexed domainId, uint32 domainSeq, DomainStatus status, address owner,\n        bytes32 domainKey, string license, string terms, string meta);\n\n    /// Event emitted when a domain was closed.\n    event DomainClosed (bytes16 indexed domainId, DomainStatus status);\n\n    /// Event emitted when a new node was paired with the domain.\n    event NodePaired (bytes16 indexed domainId, bytes16 nodeId, bytes32 nodeKey, string config);\n\n    /// Event emitted when a node was updated.\n    event NodeUpdated (bytes16 indexed domainId, bytes16 nodeId, bytes32 nodeKey, string config);\n\n    /// Event emitted when a node was released from a domain.\n    event NodeReleased (bytes16 indexed domainId, bytes16 nodeId);\n\n    // //////// events for MARKETS\n\n    /// Event emitted when a new market was created.\n    event MarketCreated (bytes16 indexed marketId, uint32 marketSeq, address owner, string terms, string meta,\n        address maker, uint256 providerSecurity, uint256 consumerSecurity, uint256 marketFee);\n\n    /// Event emitted when a market was updated.\n    event MarketUpdated (bytes16 indexed marketId, uint32 marketSeq, address owner, string terms, string meta,\n        address maker, uint256 providerSecurity, uint256 consumerSecurity, uint256 marketFee);\n\n    /// Event emitted when a market was closed.\n    event MarketClosed (bytes16 indexed marketId);\n\n    /// Event emitted when a new actor joined a market.\n    event ActorJoined (bytes16 indexed marketId, address actor, ActorType actorType, uint256 security);\n\n    /// Event emitted when an actor has left a market.\n    event ActorLeft (bytes16 indexed marketId, address actor);\n\n    /// Event emitted when a new payment channel was created in a market.\n    event PaymentChannelCreated (bytes16 indexed marketId, address sender, address delegate,\n        address receiver, address channel);\n\n    /// Event emitted when a new request for a paying channel was created in a market.\n    event PayingChannelRequestCreated (bytes16 indexed marketId, address sender, address delegate,\n        address receiver, uint256 amount, uint32 timeout);\n\n    // Note: closing event of payment channels are emitted from XBRPaymentChannel (not from here)\n\n    // Created markets are sequence numbered using this counter (to allow deterministic collison-free IDs for markets)\n    uint32 private marketSeq = 1;\n\n    // Created domains are sequence numbered using this counter (to allow deterministic collison-free IDs for domains)\n    uint32 private domainSeq = 1;\n\n    /// Address of the XBR Network ERC20 token (XBR for the CrossbarFX technology stack)\n    address public token;\n\n    /// Address of the `XBR Network Organization <https://xbr.network/>`_\n    address public organization;\n\n    /// Current XBR Network members (\"member directory\").\n    mapping(address => Member) private members;\n\n    /// Current XBR Domains (\"domain directory\")\n    mapping(bytes16 => Domain) private domains;\n\n    /// Current XBR Nodes (\"node directory\");\n    mapping(bytes16 => Node) private nodes;\n\n    /// Index: node public key => (market ID, node ID)\n    mapping(bytes32 => bytes16) private nodesByKey;\n\n    /// Current XBR Markets (\"market directory\")\n    mapping(bytes16 => Market) private markets;\n\n    /// Index: maker address => market ID\n    mapping(address => bytes16) private marketsByMaker;\n\n    /**\n     * Create a new network.\n     *\n     * @param token_ The token to run this network on.\n     * @param organization_ The network technology provider and ecosystem sponsor.\n     */\n    constructor (address token_, address organization_) public {\n        token = token_;\n        organization = organization_;\n\n        members[msg.sender] = Member(\"\", \"\", MemberLevel.VERIFIED);\n    }\n\n    /**\n     * Join the XBR Network. All XBR stakeholders, namely XBR Data Providers,\n     * XBR Data Consumers, XBR Data Markets and XBR Data Clouds, must register\n     * with the XBR Network on the global blockchain by calling this function.\n     *\n     * @param eula The IPFS Multihash of the XBR EULA being agreed to and stored as one ZIP file archive on IPFS.\n     *             Currently, this must be equal to \"QmU7Gizbre17x6V2VR1Q2GJEjz6m8S1bXmBtVxS2vmvb81\"\n     * @param profile Optional public member profile: the IPFS Multihash of the member profile stored in IPFS.\n     */\n    function register (string memory eula, string memory profile) public {\n        require(uint(members[msg.sender].level) == 0, \"MEMBER_ALREADY_REGISTERED\");\n        require(keccak256(abi.encode(eula)) ==\n                keccak256(abi.encode(\"QmU7Gizbre17x6V2VR1Q2GJEjz6m8S1bXmBtVxS2vmvb81\")), \"INVALID_EULA\");\n\n        members[msg.sender] = Member(eula, profile, MemberLevel.ACTIVE);\n\n        emit MemberCreated(msg.sender, eula, profile, MemberLevel.ACTIVE);\n    }\n\n    /**\n     * Leave the XBR Network.\n     */\n    function unregister () public {\n        require(uint(members[msg.sender].level) != 0, \"NO_SUCH_MEMBER\");\n\n        // FIXME: check that the member has no active objects associated anymore\n\n        members[msg.sender].level = MemberLevel.RETIRED;\n\n        emit MemberRetired(msg.sender);\n    }\n\n    /**\n     * Returns XBR Network member level given an address.\n     *\n     * @param member The address to lookup the XBR Network member level for.\n     * @return The current member level of the member.\n     */\n    function getMemberLevel (address member) public view returns (MemberLevel) {\n        return members[member].level;\n    }\n\n    /**\n     * Returns XBR Network member EULA given an address.\n     *\n     * @param member The address to lookup the XBR Network member EULA for.\n     * @return IPFS Multihash pointing to XBR Network EULA file on IPFS.\n     */\n    function getMemberEula (address member) public view returns (string memory) {\n        return members[member].eula;\n    }\n\n    /**\n     * Returns XBR Network member profile given an address.\n     *\n     * @param member The address to lookup the XBR Network member profile for.\n     * @return IPFS Multihash pointing to member profile file on IPFS.\n     */\n    function getMemberProfile (address member) public view returns (string memory) {\n        return members[member].profile;\n    }\n\n    /**\n     * Manually override the member level of a XBR Network member. Being able to do so\n     * currently serves two purposes:\n     *\n     * - having a last resort to handle situation where members violated the EULA\n     * - being able to manually patch things in error/bug cases\n     *\n     * @param member The address of the XBR network member to override member level.\n     * @param level The member level to set the member to.\n     */\n    function setMemberLevel (address member, MemberLevel level) public onlyMaintainer {\n        require(uint(members[msg.sender].level) != 0, \"NO_SUCH_MEMBER\");\n\n        members[member].level = level;\n    }\n\n    /**\n     *  Create a new XBR domain. Then sender to the transaction must be XBR network member\n     *  and automatically becomes owner of the new domain.\n     *\n     *  @param domainId The ID of the domain to create. Must be globally unique (not yet existing).\n     *  @param domainKey The domain signing key. A Ed25519 (https://ed25519.cr.yp.to/) public key.\n     *  @param license The license for the software stack running the domain. IPFS Multihash\n     *                 pointing to a JSON/YAML file signed by the project release key.\n     */\n    function createDomain (bytes16 domainId, bytes32 domainKey, string memory license,\n        string memory terms, string memory meta) public {\n\n        require(members[msg.sender].level == MemberLevel.ACTIVE ||\n                members[msg.sender].level == MemberLevel.VERIFIED, \"NOT_A_MEMBER\");\n\n        require(domains[domainId].owner == address(0), \"DOMAIN_ALREADY_EXISTS\");\n\n        domains[domainId] = Domain(domainSeq, DomainStatus.ACTIVE, msg.sender, domainKey,\n                                    license, terms, meta, new bytes16[](0));\n\n        emit DomainCreated(domainId, domainSeq, DomainStatus.ACTIVE, msg.sender, domainKey,\n                            license, terms, meta);\n\n        domainSeq = domainSeq + 1;\n    }\n\n    /**\n     * Close an existing XBR domain. The sender must be owner of the domain, and the domain\n     * must not have any nodes paired (anymore).\n     *\n     * @param domainId The ID of the domain to close.\n     */\n    function closeDomain (bytes16 domainId) public {\n        require(members[msg.sender].level == MemberLevel.ACTIVE ||\n                members[msg.sender].level == MemberLevel.VERIFIED, \"NOT_A_MEMBER\");\n        require(domains[domainId].owner != address(0), \"NO_SUCH_DOMAIN\");\n        require(domains[domainId].owner == msg.sender, \"NOT_AUTHORIZED\");\n        require(domains[domainId].status == DomainStatus.ACTIVE, \"DOMAIN_NOT_ACTIVE\");\n\n        // FIXME: check that the domain has no active objects associated anymore\n\n        domains[domainId].status = DomainStatus.CLOSED;\n\n        emit DomainClosed(domainId, DomainStatus.CLOSED);\n    }\n\n    /**\n     * Returns domain status.\n     *\n     * @param domainId The ID of the domain to lookup status.\n     * @return The current status of the domain.\n     */\n    function getDomainStatus(bytes16 domainId) public view returns (DomainStatus) {\n        return domains[domainId].status;\n    }\n\n    /**\n     * Returns domain owner.\n     *\n     * @param domainId The ID of the domain to lookup owner.\n     * @return The address of the owner of the domain.\n     */\n    function getDomainOwner(bytes16 domainId) public view returns (address) {\n        return domains[domainId].owner;\n    }\n\n    /**\n     * Returns domain (signing) key.\n     *\n     * @param domainId The ID of the domain to lookup key.\n     * @return The Ed25519 public signing key for the domain.\n     */\n    function getDomainKey(bytes16 domainId) public view returns (bytes32) {\n        return domains[domainId].domainKey;\n    }\n\n    /**\n     * Returns domain license.\n     *\n     * @param domainId The ID of the domain to lookup license.\n     * @return IPFS Multihash pointer to domain license file on IPFS.\n     */\n    function getDomainLicense(bytes16 domainId) public view returns (string memory) {\n        return domains[domainId].license;\n    }\n\n    /**\n     * Returns domain terms.\n     *\n     * @param domainId The ID of the domain to lookup terms.\n     * @return IPFS Multihash pointer to domain terms on IPFS.\n     */\n    function getDomainTerms(bytes16 domainId) public view returns (string memory) {\n        return domains[domainId].terms;\n    }\n\n    /**\n     * Returns domain meta data.\n     *\n     * @param domainId The ID of the domain to lookup meta data.\n     * @return IPFS Multihash pointer to domain metadata file on IPFS.\n     */\n    function getDomainMeta(bytes16 domainId) public view returns (string memory) {\n        return domains[domainId].meta;\n    }\n\n    /**\n     * Pair a node with an existing XBR Domain. The sender must be owner of the domain.\n     *\n     * @param nodeId The ID of the node to pair. Must be globally unique (not yet existing).\n     * @param domainId The ID of the domain to pair the node with.\n     * @param nodeType The type of node to pair the node under.\n     * @param nodeKey The Ed25519 public node key.\n     * @param config Optional IPFS Multihash pointing to node configuration stored on IPFS\n     */\n    function pairNode (bytes16 nodeId, bytes16 domainId, NodeType nodeType, bytes32 nodeKey,\n        string memory config) public {\n\n        require(domains[domainId].owner != address(0), \"NO_SUCH_DOMAIN\");\n        require(domains[domainId].owner == msg.sender, \"NOT_AUTHORIZED\");\n        require(uint8(nodes[nodeId].nodeType) == 0, \"NODE_ALREADY_PAIRED\");\n        require(nodesByKey[nodeKey] == bytes16(0), \"DUPLICATE_NODE_KEY\");\n        require(uint8(nodeType) == uint8(NodeType.MASTER) ||\n                uint8(nodeType) == uint8(NodeType.EDGE), \"INVALID_NODE_TYPE\");\n\n        nodes[nodeId] = Node(domainId, nodeType, nodeKey, config);\n        nodesByKey[nodeKey] = nodeId;\n        domains[domainId].nodes.push(nodeId);\n\n        emit NodePaired(domainId, nodeId, nodeKey, config);\n    }\n\n    /**\n     * Release a node currently paired with an XBR domain. The sender must be owner of the domain.\n     *\n     * @param nodeId The ID of the node to release.\n     */\n    function releaseNode (bytes16 nodeId) public {\n        require(uint8(nodes[nodeId].nodeType) != 0, \"NO_SUCH_NODE\");\n        require(domains[nodes[nodeId].domain].owner == msg.sender, \"NOT_AUTHORIZED\");\n\n        bytes16 domainId = nodes[nodeId].domain;\n        bytes32 nodeKey = nodes[nodeId].key;\n\n        nodes[nodeId].domain = bytes16(0);\n        nodes[nodeId].nodeType = NodeType.NULL;\n        nodes[nodeId].key = bytes32(0);\n        nodes[nodeId].config = \"\";\n\n        nodesByKey[nodeKey] = bytes16(0);\n\n        emit NodeReleased(domainId, nodeId);\n    }\n\n    /**\n     * Lookup node ID by node public key.\n     *\n     * @param nodeKey The node public key to lookup\n     * @return The Ed25519 public key of the node.\n     */\n    function getNodeByKey(bytes32 nodeKey) public view returns (bytes16) {\n        return nodesByKey[nodeKey];\n    }\n\n    /**\n     * Returns domain for a node.\n     *\n     * @param nodeId The ID of the node to lookup the domain for.\n     * @return The domain the node is currently paired with.\n     */\n    function getNodeDomain(bytes16 nodeId) public view returns (bytes16) {\n        return nodes[nodeId].domain;\n    }\n\n    /**\n     * Returns node type for a node.\n     *\n     * @param nodeId The ID of the node to lookup the node type for.\n     * @return The node type.\n     */\n    function getNodeType(bytes16 nodeId) public view returns (NodeType) {\n        return nodes[nodeId].nodeType;\n    }\n\n    /**\n     * Returns node public key for a node.\n     *\n     * @param nodeId The ID of the node to lookup the node public key for.\n     * @return The node public key.\n     */\n    function getNodeKey(bytes16 nodeId) public view returns (bytes32) {\n        return nodes[nodeId].key;\n    }\n\n    /**\n     * Returns config for a node.\n     *\n     * @param nodeId The ID of the node to lookup the config for.\n     * @return IPFS Multihash pointer to node config.\n     */\n    function getNodeConfig(bytes16 nodeId) public view returns (string memory) {\n        return nodes[nodeId].config;\n    }\n\n    /**\n     * Create a new XBR market. The sender of the transaction must be XBR network member\n     * and automatically becomes owner of the new market.\n     *\n     * @param marketId The ID of the market to create. Must be unique (not yet existing).\n     * @param terms The XBR market terms set by the market owner. IPFS Multihash pointing\n     *              to a ZIP archive file with market documents.\n     * @param meta The XBR market metadata published by the market owner. IPFS Multihash pointing\n     *             to a RDF/Turtle file with market metadata.\n     * @param maker The address of the XBR market maker that will run this market. The delegate of the market owner.\n     * @param providerSecurity The amount of XBR tokens a XBR provider joining the market must deposit.\n     * @param consumerSecurity The amount of XBR tokens a XBR consumer joining the market must deposit.\n     * @param marketFee The fee taken by the market (beneficiary is the market owner). The fee is a percentage of\n     *                  the revenue of the XBR Provider that receives XBR Token paid for transactions.\n     *                  The fee must be between 0% (inclusive) and 99% (inclusive), and is expressed as\n     *                  a fraction of the total supply of XBR tokens.\n     */\n    function createMarket (bytes16 marketId, string memory terms, string memory meta, address maker,\n        uint256 providerSecurity, uint256 consumerSecurity, uint256 marketFee) public {\n\n        XBRToken _token = XBRToken(token);\n\n        require(markets[marketId].owner == address(0), \"MARKET_ALREADY_EXISTS\");\n        require(maker != address(0), \"INVALID_MAKER\");\n        require(marketsByMaker[maker] == bytes16(0), \"MAKER_ALREADY_WORKING_FOR_OTHER_MARKET\");\n        require(providerSecurity >= 0 && providerSecurity <= _token.totalSupply(), \"INVALID_PROVIDER_SECURITY\");\n        require(consumerSecurity >= 0 && consumerSecurity <= _token.totalSupply(), \"INVALID_CONSUMER_SECURITY\");\n        require(marketFee >= 0 && marketFee < (_token.totalSupply() - 10**7) * 10**18, \"INVALID_MARKET_FEE\");\n\n        markets[marketId] = Market(marketSeq, msg.sender, terms, meta, maker, providerSecurity,\n            consumerSecurity, marketFee, new address[](0), new address[](0));\n\n        markets[marketId].actors[msg.sender] = Actor(ActorType.MARKET, 0);\n        markets[marketId].actorAddresses.push(maker);\n\n        marketsByMaker[maker] = marketId;\n\n        marketSeq = marketSeq + 1;\n\n        emit MarketCreated(marketId, marketSeq, msg.sender, terms, meta, maker,\n                                providerSecurity, consumerSecurity, marketFee);\n    }\n\n    /**\n     * Lookup market ID by market maker address.\n     *\n     * @param maker The market maker address to lookup market for\n     * @return ID of the market maker.\n     */\n    function getMarketByMaker (address maker) public view returns (bytes16) {\n        return marketsByMaker[maker];\n    }\n\n    /**\n     * Returns owner for a market.\n     *\n     * @param marketId The ID of the market to lookup owner for.\n     * @return Address of the owner of the market.\n     */\n    function getMarketOwner (bytes16 marketId) public view returns (address) {\n        return markets[marketId].owner;\n    }\n\n    /**\n     * Returns terms for a market.\n     *\n     * @param marketId The ID of the market to lookup terms for.\n     * @return IPFS Multihash pointer to market terms.\n     */\n    function getMarketTerms (bytes16 marketId) public view returns (string memory) {\n        return markets[marketId].terms;\n    }\n\n    /**\n     * Returns metadata for a market.\n     *\n     * @param marketId The ID of the market to lookup metadata for.\n     * @return IPFS Multihash pointer to market metadata.\n     */\n    function getMarketMeta (bytes16 marketId) public view returns (string memory) {\n        return markets[marketId].meta;\n    }\n\n    /**\n     * Returns market maker for a market.\n     *\n     * @param marketId The ID of the market to lookup the market maker address for.\n     * @return The address of the (offchain) market maker delegate responsible for this market.\n     */\n    function getMarketMaker (bytes16 marketId) public view returns (address) {\n        return markets[marketId].maker;\n    }\n\n    /**\n     * Returns provider security for a market.\n     *\n     * @param marketId The ID of the market to lookup provider security for.\n     * @return The provider security defined in the market.\n     */\n    function getMarketProviderSecurity (bytes16 marketId) public view returns (uint256) {\n        return markets[marketId].providerSecurity;\n    }\n\n    /**\n     * Returns consumer security for a market.\n     *\n     * @param marketId The ID of the market to lookup consumer security for.\n     * @return The consumer security defined in the market.\n     */\n    function getMarketConsumerSecurity (bytes16 marketId) public view returns (uint256) {\n        return markets[marketId].consumerSecurity;\n    }\n\n    /**\n     * Returns market fee for a market.\n     *\n     * @param marketId The ID of the market to lookup market fee for.\n     * @return The fee defined in the market.\n     */\n    function getMarketFee (bytes16 marketId) public view returns (uint256) {\n        return markets[marketId].marketFee;\n    }\n\n    /**\n     * Update market information, like market terms, metadata or maker address.\n     *\n     * @param marketId The ID of the market to update.\n     * @param terms When terms should be updated, provide a string of non-zero length with\n     *              an IPFS Multihash pointing to the new ZIP file with market terms.\n     * @param meta When metadata should be updated, provide a string of non-zero length with\n     *             an IPFS Multihash pointing to the new RDF/Turtle file with market metadata.\n     * @param maker When maker should be updated, provide a non-zero address.\n     * @param providerSecurity Provider security to set that will apply for new members (providers) joining\n     *                         the market. It will NOT apply to current market members.\n     * @param consumerSecurity Consumer security to set that will apply for new members (consumers) joining\n     *                         the market. It will NOT apply to current market members.\n     * @param marketFee New market fee to set. The new market fee will apply to all new payment channels\n     *                  opened. It will NOT apply to already opened (or closed) payment channels.\n     * @return Flag indicating weather the market information was actually updated or left unchanged.\n     */\n    function updateMarket(bytes16 marketId, string memory terms, string memory meta, address maker,\n        uint256 providerSecurity, uint256 consumerSecurity, uint256 marketFee) public returns (bool) {\n\n        Market storage market = markets[marketId];\n\n        require(market.owner != address(0), \"NO_SUCH_MARKET\");\n        require(market.owner == msg.sender, \"NOT_AUTHORIZED\");\n        require(marketsByMaker[maker] == bytes16(0), \"MAKER_ALREADY_WORKING_FOR_OTHER_MARKET\");\n        require(marketFee >= 0 && marketFee < (10**9 - 10**7) * 10**18, \"INVALID_MARKET_FEE\");\n\n        bool wasChanged = false;\n\n        // for these knobs, only update when non-zero values provided\n        if (maker != address(0) && maker != market.maker) {\n            markets[marketId].maker = maker;\n            wasChanged = true;\n        }\n        if (bytes(terms).length > 0 && keccak256(abi.encode(terms)) != keccak256(abi.encode(market.terms))) {\n            markets[marketId].terms = terms;\n            wasChanged = true;\n        }\n        if (bytes(meta).length > 0 && keccak256(abi.encode(meta)) != keccak256(abi.encode(market.meta))) {\n            markets[marketId].meta = meta;\n            wasChanged = true;\n        }\n\n        // for these knobs, we allow updating to zero value\n        if (providerSecurity != market.providerSecurity) {\n            markets[marketId].providerSecurity = providerSecurity;\n            wasChanged = true;\n        }\n        if (consumerSecurity != market.consumerSecurity) {\n            markets[marketId].consumerSecurity = consumerSecurity;\n            wasChanged = true;\n        }\n        if (marketFee != market.marketFee) {\n            markets[marketId].marketFee = marketFee;\n            wasChanged = true;\n        }\n\n        if (wasChanged) {\n            emit MarketUpdated(marketId, market.marketSeq, market.owner, market.terms, market.meta, market.maker,\n                    market.providerSecurity, market.consumerSecurity, market.marketFee);\n        }\n\n        return wasChanged;\n    }\n\n    /**\n     * Close a market. A closed market will not accept new memberships.\n     *\n     * @param marketId The ID of the market to close.\n     */\n    function closeMarket (bytes16 marketId) public view {\n        require(markets[marketId].owner != address(0), \"NO_SUCH_MARKET\");\n        require(markets[marketId].owner == msg.sender, \"NOT_AUTHORIZED\");\n        // FIXME\n    }\n\n    /**\n     * Join the given XBR market as the specified type of actor, which must be PROVIDER or CONSUMER.\n     *\n     * @param marketId The ID of the XBR data market to join.\n     * @param actorType The type of actor under which to join: PROVIDER or CONSUMER.\n     */\n    function joinMarket (bytes16 marketId, ActorType actorType) public returns (uint256) {\n        require(markets[marketId].owner != address(0), \"NO_SUCH_MARKET\");\n        require(uint8(markets[marketId].actors[msg.sender].actorType) == 0, \"ACTOR_ALREADY_JOINED\");\n        require(uint8(actorType) == uint8(ActorType.MARKET) ||\n            uint8(actorType) == uint8(ActorType.PROVIDER) || uint8(actorType) == uint8(ActorType.CONSUMER));\n\n        uint256 security;\n        if (uint8(actorType) == uint8(ActorType.PROVIDER)) {\n            security = markets[marketId].providerSecurity;\n        } else if (uint8(actorType) == uint8(ActorType.CONSUMER)) {\n            security = markets[marketId].consumerSecurity;\n        } else {\n            security = 0;\n        }\n\n        XBRToken _token = XBRToken(token);\n        bool success = _token.transferFrom(msg.sender, address(this), security);\n        require(success, \"JOIN_MARKET_TRANSFER_FROM_FAILED\");\n\n        markets[marketId].actors[msg.sender] = Actor(actorType, security);\n        markets[marketId].actorAddresses.push(msg.sender);\n\n        // bytes16 marketId, address actor, ActorType actorType, uint256 security\n        emit ActorJoined(marketId, msg.sender, actorType, security);\n\n        return security;\n    }\n\n    /**\n     * Returns all actors in a given market.\n     *\n     * @param marketId The ID of the market to lookup actors.\n     * @return  List of addresses of market actors in the market.\n     */\n    function getAllMarketActors (bytes16 marketId) public view returns (address[] memory) {\n        return markets[marketId].actorAddresses;\n    }\n\n    /**\n     * Returns the type of an actor within a market.\n     *\n     * @param marketId The ID of the market to lookup actor type.\n     * @param actor The address of the actor to lookup.\n     * @return The type under which the actor is joined in the market.\n     */\n    function getMarketActorType (bytes16 marketId, address actor) public view returns (ActorType) {\n        return markets[marketId].actors[actor].actorType;\n    }\n\n    /**\n     * Returns the current security deposit of an actor within a market.\n     *\n     * @param marketId The ID of the market to lookup actor type.\n     * @param actor The address of the actor to lookup.\n     * @return The security deposit of the actor in the given market.\n     */\n    function getMarketActorSecurity (bytes16 marketId, address actor) public view returns (uint256) {\n        return markets[marketId].actors[actor].security;\n    }\n\n    /**\n     * As a market actor (participant) currently member of a market, leave that market.\n     * A market can only be left when all payment channels of the sender are closed (or expired).\n     *\n     * @param marketId The ID of the market to leave.\n     */\n    function leaveMarket (bytes16 marketId) public view {\n        require(markets[marketId].owner != address(0), \"NO_SUCH_MARKET\");\n        // FIXME\n    }\n\n    /**\n     * Open a new payment channel and deposit an amount of XBR token into a market.\n     *\n     * @param marketId The ID of the market to open a payment channel within.\n     * @param consumer The address of the (offchain) consumer delegate allowed to consumer the channel.\n     * @param amount Amount of XBR Token to deposit into the payment channel.\n     */\n    function openPaymentChannel (bytes16 marketId, address consumer, uint256 amount) public returns\n        (address paymentChannel) {\n\n        require(markets[marketId].owner != address(0), \"NO_SUCH_MARKET\");\n\n        // bytes16 marketId, address sender, address delegate, address recipient, uint256 amount, uint32 timeout\n        XBRPaymentChannel channel = new XBRPaymentChannel(marketId, msg.sender, consumer, address(0), amount, 60);\n\n        XBRToken _token = XBRToken(token);\n        bool success = _token.transferFrom(msg.sender, address(channel), amount);\n        require(success, \"OPEN_CHANNEL_TRANSFER_FROM_FAILED\");\n\n        markets[marketId].channels.push(address(channel));\n\n        // bytes16 marketId, address sender, address delegate, address receiver, address channel\n        emit PaymentChannelCreated(marketId, msg.sender, consumer, markets[marketId].owner, address(channel));\n\n        return address(channel);\n    }\n\n    /**\n     * Lookup all payment channels for a XBR Market.\n     *\n     * @param marketId The XBR Market to get payment channels for.\n     * @return List of contract addresses of payment channels in the market.\n     */\n    function getAllMarketPaymentChannels(bytes16 marketId) public view returns (address[] memory) {\n        return markets[marketId].channels;\n    }\n\n    /**\n     * As a data provider, request a new payment channel to get paid by the market maker. Given sufficient\n     * security amount (deposited by the data provider when joining the marker) to cover the request amount,\n     * the market maker will open a payment (state) channel to allow the market maker buying data keys in\n     * microtransactions, and offchain. The creation of the payment channel is asynchronously: the market maker\n     * is watching the global blockchain filtering for events relevant to the market managed by the maker.\n     * When a request to open a payment channel is recognized by the market maker, it will check the provider\n     * for sufficient security deposit covering the requested amount, and if all is fine, create a new payment\n     * channel and store the contract address for the channel request ID, so the data provider can retrieve it.\n     *\n     * @param marketId The ID of the market to request a paying channel within.\n     */\n    function requestPayingChannel (bytes16 marketId, address provider, uint256 amount) public {\n\n        require(markets[marketId].owner != address(0), \"NO_SUCH_MARKET\");\n        require(markets[marketId].maker != address(0), \"NO_ACTIVE_MARKET_MAKER\");\n\n        // bytes16 marketId, address sender, address delegate, address receiver, uint256 amount, uint32 timeout);\n        emit PayingChannelRequestCreated(marketId, markets[marketId].maker, provider, msg.sender, amount, 10);\n    }\n}\n",
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                              "typeDescriptions": {
                                "typeIdentifier": "t_mapping$_t_bytes16_$_t_struct$_Market_$253_storage_$",
                                "typeString": "mapping(bytes16 => struct XBRNetwork.Market storage ref)"
                              }
                            },
                            "id": 2087,
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                              "id": 2086,
                              "name": "marketId",
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                          "typeDescriptions": {
                            "typeIdentifier": "t_address_payable",
                            "typeString": "address payable"
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                            "typeDescriptions": {
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                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
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                        "name": "amount",
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                          "typeString": "bytes16"
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                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        },
                        {
                          "typeIdentifier": "t_uint256",
                          "typeString": "uint256"
                        },
                        {
                          "typeIdentifier": "t_rational_10_by_1",
                          "typeString": "int_const 10"
                        }
                      ],
                      "id": 2096,
                      "name": "PayingChannelRequestCreated",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 439,
                      "src": "33771:27:2",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_bytes16_$_t_address_$_t_address_$_t_address_$_t_uint256_$_t_uint32_$returns$__$",
                        "typeString": "function (bytes16,address,address,address,uint256,uint32)"
                      }
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                  "id": 2108,
                  "nodeType": "EmitStatement",
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                }
              ]
            },
            "documentation": "As a data provider, request a new payment channel to get paid by the market maker. Given sufficient\nsecurity amount (deposited by the data provider when joining the marker) to cover the request amount,\nthe market maker will open a payment (state) channel to allow the market maker buying data keys in\nmicrotransactions, and offchain. The creation of the payment channel is asynchronously: the market maker\nis watching the global blockchain filtering for events relevant to the market managed by the maker.\nWhen a request to open a payment channel is recognized by the market maker, it will check the provider\nfor sufficient security deposit covering the requested amount, and if all is fine, create a new payment\nchannel and store the contract address for the channel request ID, so the data provider can retrieve it.\n     * @param marketId The ID of the market to request a paying channel within.",
            "id": 2110,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "requestPayingChannel",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 2070,
              "nodeType": "ParameterList",
              "parameters": [
                {
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                  "id": 2065,
                  "name": "marketId",
                  "nodeType": "VariableDeclaration",
                  "scope": 2110,
                  "src": "33425:16:2",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_bytes16",
                    "typeString": "bytes16"
                  },
                  "typeName": {
                    "id": 2064,
                    "name": "bytes16",
                    "nodeType": "ElementaryTypeName",
                    "src": "33425:7:2",
                    "typeDescriptions": {
                      "typeIdentifier": "t_bytes16",
                      "typeString": "bytes16"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 2067,
                  "name": "provider",
                  "nodeType": "VariableDeclaration",
                  "scope": 2110,
                  "src": "33443:16:2",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 2066,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "33443:7:2",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 2069,
                  "name": "amount",
                  "nodeType": "VariableDeclaration",
                  "scope": 2110,
                  "src": "33461:14:2",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_uint256",
                    "typeString": "uint256"
                  },
                  "typeName": {
                    "id": 2068,
                    "name": "uint256",
                    "nodeType": "ElementaryTypeName",
                    "src": "33461:7:2",
                    "typeDescriptions": {
                      "typeIdentifier": "t_uint256",
                      "typeString": "uint256"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "33424:52:2"
            },
            "returnParameters": {
              "id": 2071,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "33484:0:2"
            },
            "scope": 2111,
            "src": "33394:480:2",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "public"
          }
        ],
        "scope": 2112,
        "src": "1116:32760:2"
      }
    ],
    "src": "805:33072:2"
  },
  "compiler": {
    "name": "solc",
    "version": "0.5.2+commit.1df8f40c.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "3.0.5",
  "updatedAt": "2019-06-04T10:01:11.450Z",
  "devdoc": {
    "author": "The XBR Project",
    "methods": {
      "addMaintainer(address)": {
        "params": {
          "account": "The account to grant maintainer rights to."
        }
      },
      "closeDomain(bytes16)": {
        "params": {
          "domainId": "The ID of the domain to close."
        }
      },
      "closeMarket(bytes16)": {
        "params": {
          "marketId": "The ID of the market to close."
        }
      },
      "constructor": {
        "params": {
          "organization_": "The network technology provider and ecosystem sponsor.",
          "token_": "The token to run this network on."
        }
      },
      "createDomain(bytes16,bytes32,string,string,string)": {
        "params": {
          "domainId": "The ID of the domain to create. Must be globally unique (not yet existing).",
          "domainKey": "The domain signing key. A Ed25519 (https://ed25519.cr.yp.to/) public key.",
          "license": "The license for the software stack running the domain. IPFS Multihash                pointing to a JSON/YAML file signed by the project release key."
        }
      },
      "createMarket(bytes16,string,string,address,uint256,uint256,uint256)": {
        "params": {
          "consumerSecurity": "The amount of XBR tokens a XBR consumer joining the market must deposit.",
          "maker": "The address of the XBR market maker that will run this market. The delegate of the market owner.",
          "marketFee": "The fee taken by the market (beneficiary is the market owner). The fee is a percentage of                 the revenue of the XBR Provider that receives XBR Token paid for transactions.                 The fee must be between 0% (inclusive) and 99% (inclusive), and is expressed as                 a fraction of the total supply of XBR tokens.",
          "marketId": "The ID of the market to create. Must be unique (not yet existing).",
          "meta": "The XBR market metadata published by the market owner. IPFS Multihash pointing            to a RDF/Turtle file with market metadata.",
          "providerSecurity": "The amount of XBR tokens a XBR provider joining the market must deposit.",
          "terms": "The XBR market terms set by the market owner. IPFS Multihash pointing             to a ZIP archive file with market documents."
        }
      },
      "getAllMarketActors(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup actors."
        },
        "return": "List of addresses of market actors in the market."
      },
      "getAllMarketPaymentChannels(bytes16)": {
        "params": {
          "marketId": "The XBR Market to get payment channels for."
        },
        "return": "List of contract addresses of payment channels in the market."
      },
      "getDomainKey(bytes16)": {
        "params": {
          "domainId": "The ID of the domain to lookup key."
        },
        "return": "The Ed25519 public signing key for the domain."
      },
      "getDomainLicense(bytes16)": {
        "params": {
          "domainId": "The ID of the domain to lookup license."
        },
        "return": "IPFS Multihash pointer to domain license file on IPFS."
      },
      "getDomainMeta(bytes16)": {
        "params": {
          "domainId": "The ID of the domain to lookup meta data."
        },
        "return": "IPFS Multihash pointer to domain metadata file on IPFS."
      },
      "getDomainOwner(bytes16)": {
        "params": {
          "domainId": "The ID of the domain to lookup owner."
        },
        "return": "The address of the owner of the domain."
      },
      "getDomainStatus(bytes16)": {
        "params": {
          "domainId": "The ID of the domain to lookup status."
        },
        "return": "The current status of the domain."
      },
      "getDomainTerms(bytes16)": {
        "params": {
          "domainId": "The ID of the domain to lookup terms."
        },
        "return": "IPFS Multihash pointer to domain terms on IPFS."
      },
      "getMarketActorSecurity(bytes16,address)": {
        "params": {
          "actor": "The address of the actor to lookup.",
          "marketId": "The ID of the market to lookup actor type."
        },
        "return": "The security deposit of the actor in the given market."
      },
      "getMarketActorType(bytes16,address)": {
        "params": {
          "actor": "The address of the actor to lookup.",
          "marketId": "The ID of the market to lookup actor type."
        },
        "return": "The type under which the actor is joined in the market."
      },
      "getMarketByMaker(address)": {
        "params": {
          "maker": "The market maker address to lookup market for"
        },
        "return": "ID of the market maker."
      },
      "getMarketConsumerSecurity(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup consumer security for."
        },
        "return": "The consumer security defined in the market."
      },
      "getMarketFee(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup market fee for."
        },
        "return": "The fee defined in the market."
      },
      "getMarketMaker(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup the market maker address for."
        },
        "return": "The address of the (offchain) market maker delegate responsible for this market."
      },
      "getMarketMeta(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup metadata for."
        },
        "return": "IPFS Multihash pointer to market metadata."
      },
      "getMarketOwner(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup owner for."
        },
        "return": "Address of the owner of the market."
      },
      "getMarketProviderSecurity(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup provider security for."
        },
        "return": "The provider security defined in the market."
      },
      "getMarketTerms(bytes16)": {
        "params": {
          "marketId": "The ID of the market to lookup terms for."
        },
        "return": "IPFS Multihash pointer to market terms."
      },
      "getMemberEula(address)": {
        "params": {
          "member": "The address to lookup the XBR Network member EULA for."
        },
        "return": "IPFS Multihash pointing to XBR Network EULA file on IPFS."
      },
      "getMemberLevel(address)": {
        "params": {
          "member": "The address to lookup the XBR Network member level for."
        },
        "return": "The current member level of the member."
      },
      "getMemberProfile(address)": {
        "params": {
          "member": "The address to lookup the XBR Network member profile for."
        },
        "return": "IPFS Multihash pointing to member profile file on IPFS."
      },
      "getNodeByKey(bytes32)": {
        "params": {
          "nodeKey": "The node public key to lookup"
        },
        "return": "The Ed25519 public key of the node."
      },
      "getNodeConfig(bytes16)": {
        "params": {
          "nodeId": "The ID of the node to lookup the config for."
        },
        "return": "IPFS Multihash pointer to node config."
      },
      "getNodeDomain(bytes16)": {
        "params": {
          "nodeId": "The ID of the node to lookup the domain for."
        },
        "return": "The domain the node is currently paired with."
      },
      "getNodeKey(bytes16)": {
        "params": {
          "nodeId": "The ID of the node to lookup the node public key for."
        },
        "return": "The node public key."
      },
      "getNodeType(bytes16)": {
        "params": {
          "nodeId": "The ID of the node to lookup the node type for."
        },
        "return": "The node type."
      },
      "isMaintainer(address)": {
        "params": {
          "account": "The account to check."
        },
        "return": "`true` if the account is maintainer, otherwise `false`."
      },
      "joinMarket(bytes16,uint8)": {
        "params": {
          "actorType": "The type of actor under which to join: PROVIDER or CONSUMER.",
          "marketId": "The ID of the XBR data market to join."
        }
      },
      "leaveMarket(bytes16)": {
        "params": {
          "marketId": "The ID of the market to leave."
        }
      },
      "openPaymentChannel(bytes16,address,uint256)": {
        "params": {
          "amount": "Amount of XBR Token to deposit into the payment channel.",
          "consumer": "The address of the (offchain) consumer delegate allowed to consumer the channel.",
          "marketId": "The ID of the market to open a payment channel within."
        }
      },
      "pairNode(bytes16,bytes16,uint8,bytes32,string)": {
        "params": {
          "config": "Optional IPFS Multihash pointing to node configuration stored on IPFS",
          "domainId": "The ID of the domain to pair the node with.",
          "nodeId": "The ID of the node to pair. Must be globally unique (not yet existing).",
          "nodeKey": "The Ed25519 public node key.",
          "nodeType": "The type of node to pair the node under."
        }
      },
      "register(string,string)": {
        "params": {
          "eula": "The IPFS Multihash of the XBR EULA being agreed to and stored as one ZIP file archive on IPFS.            Currently, this must be equal to \"QmU7Gizbre17x6V2VR1Q2GJEjz6m8S1bXmBtVxS2vmvb81\"",
          "profile": "Optional public member profile: the IPFS Multihash of the member profile stored in IPFS."
        }
      },
      "releaseNode(bytes16)": {
        "params": {
          "nodeId": "The ID of the node to release."
        }
      },
      "requestPayingChannel(bytes16,address,uint256)": {
        "params": {
          "marketId": "The ID of the market to request a paying channel within."
        }
      },
      "setMemberLevel(address,uint8)": {
        "params": {
          "level": "The member level to set the member to.",
          "member": "The address of the XBR network member to override member level."
        }
      },
      "updateMarket(bytes16,string,string,address,uint256,uint256,uint256)": {
        "params": {
          "consumerSecurity": "Consumer security to set that will apply for new members (consumers) joining                        the market. It will NOT apply to current market members.",
          "maker": "When maker should be updated, provide a non-zero address.",
          "marketFee": "New market fee to set. The new market fee will apply to all new payment channels                 opened. It will NOT apply to already opened (or closed) payment channels.",
          "marketId": "The ID of the market to update.",
          "meta": "When metadata should be updated, provide a string of non-zero length with            an IPFS Multihash pointing to the new RDF/Turtle file with market metadata.",
          "providerSecurity": "Provider security to set that will apply for new members (providers) joining                        the market. It will NOT apply to current market members.",
          "terms": "When terms should be updated, provide a string of non-zero length with             an IPFS Multihash pointing to the new ZIP file with market terms."
        },
        "return": "Flag indicating weather the market information was actually updated or left unchanged."
      }
    },
    "title": "XBR Network main smart contract."
  },
  "userdoc": {
    "methods": {
      "addMaintainer(address)": {
        "notice": "Add a new maintainer to the list of maintainers."
      },
      "closeDomain(bytes16)": {
        "notice": "Close an existing XBR domain. The sender must be owner of the domain, and the domain must not have any nodes paired (anymore)."
      },
      "closeMarket(bytes16)": {
        "notice": "Close a market. A closed market will not accept new memberships."
      },
      "constructor": "Create a new network.",
      "createDomain(bytes16,bytes32,string,string,string)": {
        "notice": "Create a new XBR domain. Then sender to the transaction must be XBR network member and automatically becomes owner of the new domain."
      },
      "createMarket(bytes16,string,string,address,uint256,uint256,uint256)": {
        "notice": "Create a new XBR market. The sender of the transaction must be XBR network member and automatically becomes owner of the new market."
      },
      "getAllMarketActors(bytes16)": {
        "notice": "Returns all actors in a given market."
      },
      "getAllMarketPaymentChannels(bytes16)": {
        "notice": "Lookup all payment channels for a XBR Market."
      },
      "getDomainKey(bytes16)": {
        "notice": "Returns domain (signing) key."
      },
      "getDomainLicense(bytes16)": {
        "notice": "Returns domain license."
      },
      "getDomainMeta(bytes16)": {
        "notice": "Returns domain meta data."
      },
      "getDomainOwner(bytes16)": {
        "notice": "Returns domain owner."
      },
      "getDomainStatus(bytes16)": {
        "notice": "Returns domain status."
      },
      "getDomainTerms(bytes16)": {
        "notice": "Returns domain terms."
      },
      "getMarketActorSecurity(bytes16,address)": {
        "notice": "Returns the current security deposit of an actor within a market."
      },
      "getMarketActorType(bytes16,address)": {
        "notice": "Returns the type of an actor within a market."
      },
      "getMarketByMaker(address)": {
        "notice": "Lookup market ID by market maker address."
      },
      "getMarketConsumerSecurity(bytes16)": {
        "notice": "Returns consumer security for a market."
      },
      "getMarketFee(bytes16)": {
        "notice": "Returns market fee for a market."
      },
      "getMarketMaker(bytes16)": {
        "notice": "Returns market maker for a market."
      },
      "getMarketMeta(bytes16)": {
        "notice": "Returns metadata for a market."
      },
      "getMarketOwner(bytes16)": {
        "notice": "Returns owner for a market."
      },
      "getMarketProviderSecurity(bytes16)": {
        "notice": "Returns provider security for a market."
      },
      "getMarketTerms(bytes16)": {
        "notice": "Returns terms for a market."
      },
      "getMemberEula(address)": {
        "notice": "Returns XBR Network member EULA given an address."
      },
      "getMemberLevel(address)": {
        "notice": "Returns XBR Network member level given an address."
      },
      "getMemberProfile(address)": {
        "notice": "Returns XBR Network member profile given an address."
      },
      "getNodeByKey(bytes32)": {
        "notice": "Lookup node ID by node public key."
      },
      "getNodeConfig(bytes16)": {
        "notice": "Returns config for a node."
      },
      "getNodeDomain(bytes16)": {
        "notice": "Returns domain for a node."
      },
      "getNodeKey(bytes16)": {
        "notice": "Returns node public key for a node."
      },
      "getNodeType(bytes16)": {
        "notice": "Returns node type for a node."
      },
      "isMaintainer(address)": {
        "notice": "Check if the given address is currently a maintainer."
      },
      "joinMarket(bytes16,uint8)": {
        "notice": "Join the given XBR market as the specified type of actor, which must be PROVIDER or CONSUMER."
      },
      "leaveMarket(bytes16)": {
        "notice": "As a market actor (participant) currently member of a market, leave that market. A market can only be left when all payment channels of the sender are closed (or expired)."
      },
      "openPaymentChannel(bytes16,address,uint256)": {
        "notice": "Open a new payment channel and deposit an amount of XBR token into a market."
      },
      "pairNode(bytes16,bytes16,uint8,bytes32,string)": {
        "notice": "Pair a node with an existing XBR Domain. The sender must be owner of the domain."
      },
      "register(string,string)": {
        "notice": "Join the XBR Network. All XBR stakeholders, namely XBR Data Providers, XBR Data Consumers, XBR Data Markets and XBR Data Clouds, must register with the XBR Network on the global blockchain by calling this function."
      },
      "releaseNode(bytes16)": {
        "notice": "Release a node currently paired with an XBR domain. The sender must be owner of the domain."
      },
      "renounceMaintainer()": {
        "notice": "Give away maintainer rights."
      },
      "requestPayingChannel(bytes16,address,uint256)": {
        "notice": "As a data provider, request a new payment channel to get paid by the market maker. Given sufficient security amount (deposited by the data provider when joining the marker) to cover the request amount, the market maker will open a payment (state) channel to allow the market maker buying data keys in microtransactions, and offchain. The creation of the payment channel is asynchronously: the market maker is watching the global blockchain filtering for events relevant to the market managed by the maker. When a request to open a payment channel is recognized by the market maker, it will check the provider for sufficient security deposit covering the requested amount, and if all is fine, create a new payment channel and store the contract address for the channel request ID, so the data provider can retrieve it."
      },
      "setMemberLevel(address,uint8)": {
        "notice": "Manually override the member level of a XBR Network member. Being able to do so currently serves two purposes:     * - having a last resort to handle situation where members violated the EULA - being able to manually patch things in error/bug cases"
      },
      "unregister()": {
        "notice": "Leave the XBR Network."
      },
      "updateMarket(bytes16,string,string,address,uint256,uint256,uint256)": {
        "notice": "Update market information, like market terms, metadata or maker address."
      }
    }
  }
}