Mesh network database import fails

[codezork]

A json file exported from https://github.com/NordicSemiconductor/Android-nRF-Mesh-Library cannot be imported. Crashes with: ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: MeshNetworkEventError(error: Invalid Mesh Provisioning/Configuration Database JSON file, unsupported ID).
The original app by Nordic Semi can import its own export.

[ghost]

Hello @codezork,
Thanks for the report !

Nordic's app may have a newer SDK version than this plugin. See #246.

Unfortunately at the moment I can't debug it but I suspect this is the reason why your export cannot be imported : they may have change something since our latest upgrade. Could you check this idea ?

[ghost]

Also, if my above comment doesn't help it would be much appreciated if you could upload here a json file that makes the plugin throwing this error 🙏

[codezork]

This is the JSON from Nordic. Could you add a JSON to the repo that works with your version of the app?

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "https://www.bluetooth.com/specifications/specs/mesh-cdb-1-0-1-schema.json#",
  "version": "1.0.1",
  "meshUUID": "F79807A0-8A75-4540-8EB1-C957BE7197FE",
  "meshName": "nRF Mesh Network",
  "timestamp": "2022-10-07T16:09:32+02:00",
  "partial": false,
  "netKeys": [
    {
      "name": "Network Key 1",
      "index": 0,
      "key": "F15A4E1ED751A36AE197A60983AFDE58",
      "phase": 0,
      "minSecurity": "insecure",
      "timestamp": "2022-10-07T15:59:29+02:00"
    }
  ],
  "appKeys": [
    {
      "name": "Application Key 1",
      "index": 0,
      "boundNetKey": 0,
      "key": "266A731589FEB4B887D102B40147C02F"
    },
    {
      "name": "Application Key 2",
      "index": 1,
      "boundNetKey": 0,
      "key": "94C72F2478C5E058019FCA3A6AA0EF1C"
    },
    {
      "name": "Application Key 3",
      "index": 2,
      "boundNetKey": 0,
      "key": "701F857321F9E9F3F4ABE7A8BFA9F435"
    }
  ],
  "provisioners": [
    {
      "provisionerName": "nRF Mesh Provisioner",
      "UUID": "B3E36C78-E7B3-41A8-B579-AE34C6170B3E",
      "allocatedUnicastRange": [
        {
          "lowAddress": "0001",
          "highAddress": "199A"
        }
      ],
      "allocatedGroupRange": [
        {
          "lowAddress": "C000",
          "highAddress": "CC9A"
        }
      ],
      "allocatedSceneRange": [
        {
          "firstScene": "0001",
          "lastScene": "3333"
        }
      ]
    }
  ],
  "nodes": [
    {
      "UUID": "B3E36C78-E7B3-41A8-B579-AE34C6170B3E",
      "name": "nRF Mesh Provisioner",
      "deviceKey": "C39E0EA225DA665FEC90AC04C9DDA112",
      "unicastAddress": "0001",
      "security": "insecure",
      "configComplete": false,
      "features": {
        "friend": 2,
        "lowPower": 2,
        "proxy": 2,
        "relay": 2
      },
      "defaultTTL": 5,
      "netKeys": [
        {
          "index": 0,
          "updated": false
        }
      ],
      "appKeys": [
        {
          "index": 0,
          "updated": false
        },
        {
          "index": 1,
          "updated": false
        },
        {
          "index": 2,
          "updated": false
        }
      ],
      "elements": [
        {
          "name": "Element: 0x0001",
          "index": 0,
          "location": "0000",
          "models": [
            {
              "modelId": "0001",
              "bind": [],
              "subscribe": []
            }
          ]
        }
      ],
      "excluded": false
    }
  ],
  "groups": [],
  "scenes": [],
  "networkExclusions": [
    {
      "ivIndex": 0,
      "addresses": [
        "0002"
      ]
    }
  ]
}

[codezork]

The readme.mo from nordic says: "The mesh network configuration (JSON schema) is compatible with
Mesh Configuration Database Profile 1.0". So nothing should have been changed.
Are you completely in nordic's code while importing?

[ghost]

You are right there should not be any changes because of the spec.
Yes this plugin is only a wrapper on the Nordic SDK 👍 so the json is not altered before "entering" their code.

Thanks for the json, I will try to find time to debug this this week as I understand this is a blocker for you.

[codezork]

Excellent! Thank you

[Nanodash]

Hello @codezork,
I began to update the plugin, I will do some non-regression tests and will then look at your issue. Sorry for the delay !

[Nanodash]

Hi @codezork , I've found the issue. It's indeed a version issue. It's seems that schema id has changed from http://www.bluetooth.com/specifications/assigned-numbers/mesh-profile/cdb-schema.json# to yours : "https://www.bluetooth.com/specifications/specs/mesh-cdb-1-0-1-schema.json#", and our version of Nordic SDK is throwing for this

[Nanodash]

the fix is pretty straight forward : update Nordic dependencies