BlockNap Manager Server

Version 0.2.0

1.Create account in https://infura.io/

2.Create wallet in https://www.myetherwallet.com/

3.Get ether in http://faucet.ropsten.be:3001/

4.Clone repository.

5.Install nodeJS libraries. Execute "npm install" in folder.

6.Edit configuration file

• ADDRESS_WALLET = Address of wallet create
• PRIVATE_KEY_WALLET = Private key of wallet
• PRIVATE_KEY_INFURA = Private key of infura

 {
   "account": "ADRESS_WALLET",
   "port": 8887,
   "private": "PRIVATE_KEY_WALLET",
   "smart_contracts": [
     {
       "name":"BlockNap",
       "sol":"BlockNap.sol",
       "js":"BlockNap.js",
       "listener":"logTest",
       "oracle":"httpWeather"
     }
   ],
   "provider_config": "PRIVATE_KEY_INFURA",
   "provider":"infura_ropsten",
   "provider_web3":"https://ropsten.infura.io/PRIVATE_KEY_INFURA",
   "gas": "0x1e8480",
   "gasPrice": "0x15",
   "path_smart_contracts": "./SmartContract",
   "path_js": "../../SmartContract",
   "db": "postgresql://root@localhost:26257/blocknap?sslmode=disable",
   "oracle_manager":"http://localhost:8888/oracle/v1/add/",
   "oracle_enable":true,
   "listen_manager":"http://localhost:8889/listen/v1/add/",
   "listen_enable":true
 }

7.Init server: node index.js

Prerequisites

1. Install CockroachDB v2.0.6

https://www.cockroachlabs.com/docs/releases/v2.0.6.html

2. Create data base blocknap

3. Execute script create_table_manager_address.sql

Call Manager Server

• URL http://ip_server:port/manager/v1/insert/name_of_smart_contract/

• Header: Content-Type:application/json

• Body (Params of constructor):

{
   "date":"<date>",
    "issuer":"<issuer>",
    "receiver":"<receiver>",
    "subject":"<subject>"
}

Add new smart contract

1. In folder SmartContract copy blockNap.js with other name

2. In folder SmartContract copy your SmartContract

3. Modify method paramsConstructor in your new file javascrip to create the constructor of Smart Contract using json in body of call

exports.paramsConstructor = function (info) {
 return [info.date, info.issuer,info.receiver,info.subject];
}

4. Add Smart Contract to properties in section smart_contracts

	{
       "name":"<nameOfSmartContract>",
       "sol":"<FileSolidityOfSmartContract>",
       "js":"<nameFileJSToConstructor>",
       "listener":"<nameListenerAssociated>",
       "oracle":"<nameOracleAssociated>"
		}

5. Restart server