Commit a26d6362 authored by Konstantin Munichev's avatar Konstantin Munichev
Browse files

[dlt] Basic functionality (localhost only): 

- User registration
- User enrollment
- Chaincode calls
parent 62e71c6a

src/dlt/.gitignore

+1 −0
Original line number Diff line number Diff line
@@ -87,3 +87,4 @@ gradle-app.setting 
.gradletasknamecache



local.properties

wallet/
 
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src/dlt/build.gradle.kts

+2 −1
Original line number Diff line number Diff line
@@ -13,7 +13,8 @@ repositories { 
}



dependencies {

    testImplementation(kotlin("test"))

    testImplementation("org.jetbrains.kotlin:kotlin-test:1.5.31")

    implementation("org.hyperledger.fabric:fabric-gateway-java:2.2.2")

}



tasks.test {

src/dlt/ca.org1.example.com-cert.pem

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+14 −0
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-----BEGIN CERTIFICATE-----

MIICJzCCAc2gAwIBAgIUM7WUuNZcyI0J3BBh9eFlxOsY4a0wCgYIKoZIzj0EAwIw

cDELMAkGA1UEBhMCVVMxFzAVBgNVBAgTDk5vcnRoIENhcm9saW5hMQ8wDQYDVQQH

EwZEdXJoYW0xGTAXBgNVBAoTEG9yZzEuZXhhbXBsZS5jb20xHDAaBgNVBAMTE2Nh

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AQH/AgEBMB0GA1UdDgQWBBQVa3OPpq/AE5p1DQ0Mso5k6BYBtTAKBggqhkjOPQQD

AgNIADBFAiEAnCgTuTugndbpJ89SQQjDtsfMaSNNVHz0qfM48cgpWHMCIF0oQMeS

+uaFc/EjaogACN3HI+A77Zyu94w9aiXMvs35

-----END CERTIFICATE-----

src/dlt/connection-org1.yaml

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---

name: test-network-org1

version: 1.0.0

client:

  organization: Org1

  connection:

    timeout:

      peer:

        endorser: '300'

organizations:

  Org1:

    mspid: Org1MSP

    peers:

    - peer0.org1.example.com

    certificateAuthorities:

    - ca.org1.example.com

peers:

  peer0.org1.example.com:

    url: grpcs://localhost:7051

    tlsCACerts:

      pem: |

          -----BEGIN CERTIFICATE-----

          MIICJzCCAc2gAwIBAgIUM7WUuNZcyI0J3BBh9eFlxOsY4a0wCgYIKoZIzj0EAwIw

          cDELMAkGA1UEBhMCVVMxFzAVBgNVBAgTDk5vcnRoIENhcm9saW5hMQ8wDQYDVQQH

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          AgNIADBFAiEAnCgTuTugndbpJ89SQQjDtsfMaSNNVHz0qfM48cgpWHMCIF0oQMeS

          +uaFc/EjaogACN3HI+A77Zyu94w9aiXMvs35

          -----END CERTIFICATE-----

          

    grpcOptions:

      ssl-target-name-override: peer0.org1.example.com

      hostnameOverride: peer0.org1.example.com

certificateAuthorities:

  ca.org1.example.com:

    url: https://localhost:7054

    caName: ca-org1

    tlsCACerts:

      pem: 

        - |

          -----BEGIN CERTIFICATE-----

          MIICJzCCAc2gAwIBAgIUM7WUuNZcyI0J3BBh9eFlxOsY4a0wCgYIKoZIzj0EAwIw

          cDELMAkGA1UEBhMCVVMxFzAVBgNVBAgTDk5vcnRoIENhcm9saW5hMQ8wDQYDVQQH

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          ui9MT98/o69MHruL95PgIAxRZi2mP2p7gUmtnloNUQGaL2g3Z6GyNhkHH4IDvfRJ

          9iLZq9OCqDUMfZEAZm6jRTBDMA4GA1UdDwEB/wQEAwIBBjASBgNVHRMBAf8ECDAG

          AQH/AgEBMB0GA1UdDgQWBBQVa3OPpq/AE5p1DQ0Mso5k6BYBtTAKBggqhkjOPQQD

          AgNIADBFAiEAnCgTuTugndbpJ89SQQjDtsfMaSNNVHz0qfM48cgpWHMCIF0oQMeS

          +uaFc/EjaogACN3HI+A77Zyu94w9aiXMvs35

          -----END CERTIFICATE-----

          

    httpOptions:

      verify: false

src/dlt/src/main/kotlin/Main.kt

+33 −3
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import fabric.enrollAdmin

import fabric.registerUser

import org.hyperledger.fabric.gateway.Gateway

import org.hyperledger.fabric.gateway.Network

import org.hyperledger.fabric.gateway.Wallets

import java.nio.file.Paths



// helper function for getting connected to the gateway

fun connect(): Gateway {

    // Load a file system based wallet for managing identities.

    val walletPath = Paths.get("wallet")

    val wallet = Wallets.newFileSystemWallet(walletPath)

    // load a CCP

    val networkConfigPath = Paths.get("connection-org1.yaml")

    val builder = Gateway.createBuilder()

    builder.identity(wallet, "appUser1").networkConfig(networkConfigPath).discovery(true)

    return builder.connect()

}



fun main(args: Array<String>) {

    println("Hello World!")

    System.setProperty("org.hyperledger.fabric.sdk.service_discovery.as_localhost", "true")



    // Try adding program arguments at Run/Debug configuration

    println("Program arguments: ${args.joinToString()}")

    enrollAdmin()

    registerUser()



    // connect to the network and invoke the smart contract

    connect().use { gateway ->

        // get the network and contract

        val network: Network = gateway.getNetwork("mychannel")

        val contract = network.getContract("basic")

        println("Submit Transaction: InitLedger creates the initial set of assets on the ledger.")

        contract.submitTransaction("InitLedger")

        val result = contract.evaluateTransaction("GetAllAssets")

        println("Evaluate Transaction: GetAllAssets, result: " + String(result))

    }

}
 
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