文件列表:

BlockchainEdge (0, 2018-07-31)
BlockchainEdge\deployment.template.amd64.json (2616, 2018-07-31)
BlockchainEdge\deployment.template.json (2664, 2018-07-31)
BlockchainEdge\modules (0, 2018-07-31)
BlockchainEdge\modules\SmartContractModule (0, 2018-07-31)
BlockchainEdge\modules\SmartContractModule\Dockerfile.amd64 (326, 2018-07-31)
BlockchainEdge\modules\SmartContractModule\Dockerfile.amd64.debug (552, 2018-07-31)
BlockchainEdge\modules\SmartContractModule\Dockerfile.arm32v7 (347, 2018-07-31)
BlockchainEdge\modules\SmartContractModule\Dockerfile.windows-amd64 (271, 2018-07-31)
BlockchainEdge\modules\SmartContractModule\Program.cs (12917, 2018-07-31)
BlockchainEdge\modules\SmartContractModule\SmartContractModule.csproj (1289, 2018-07-31)
BlockchainEdge\modules\SmartContractModule\module.json (522, 2018-07-31)
device (0, 2018-07-31)
device\app.js (1726, 2018-07-31)
device\package.json (306, 2018-07-31)
device\sensor.js (2591, 2018-07-31)
local-node-azure (0, 2018-07-31)
local-node-azure\genesis.json (702, 2018-07-31)
local-node-azure\static-nodes.json (162, 2018-07-31)
local-node-raspberrypi (0, 2018-07-31)
local-node-raspberrypi\genesis.json (306, 2018-07-31)
notes.txt (1775, 2018-07-31)
smart-contract-module.jpg (102889, 2018-07-31)
smartcontracts (0, 2018-07-31)
smartcontracts\build (0, 2018-07-31)
smartcontracts\build\contracts (0, 2018-07-31)
smartcontracts\build\contracts\IoTEdgeContract.json (100903, 2018-07-31)
smartcontracts\build\contracts\Migrations.json (52728, 2018-07-31)
smartcontracts\contracts (0, 2018-07-31)
smartcontracts\contracts\IoTEdgeContract.sol (993, 2018-07-31)
smartcontracts\contracts\Migrations.sol (507, 2018-07-31)
smartcontracts\migrations (0, 2018-07-31)
smartcontracts\migrations\1_initial_migration.js (129, 2018-07-31)
... ...

From Drones to Solar Farms to Mining in Oilfields, edge computing has become a very important aspect of most IoT Solutions. As these IoT devices gain more intelligence and become more autonomous, creating a decentralized IoT network becomes crucial for maintaining trust and reducing maintenance cost. The goal of this project is to explore the possibilities of using Blockchain to make edge computing more robust and create protocol for a decentralized IoT network. # Azure IoT Edge Smart Contract Module for Blockchain  #### Prerequisites - Install [Visual Studio Code](https://code.visualstudio.com/) - Install [Azure IoT Toolkit for VSCode](https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.azure-iot-toolkit) extension - Install [Azure IoT Edge for VSCode](https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.azure-iot-edge) extension - Install [Docker for Windows](https://docs.docker.com/docker-for-windows/install/) - Install [.NET Core SDK](https://www.microsoft.com/net/core#windowscmd) - Install [Truffle](https://truffleframework.com/) - Install [ganache-cli](https://github.com/trufflesuite/ganache-cli) - Install [Solidity Compiler](https://github.com/ethereum/solidity/releases/tag/v0.4.24) and set it on your PATH #### Setup - Create IoT Hub, IoT Edge Device and Leaf Device in Azure Portal ([documentation](https://docs.microsoft.com/en-us/azure/iot-edge/quickstart-linux)) - Create Azure Container Registry named `edgeregistry` with Admin User #### Install Azure IoT Edge on Linux X*** - Create a new Ubuntu 16.04 VM and configure IoT Edge device as transparent gateway ([documentation](https://docs.microsoft.com/en-us/azure/iot-edge/how-to-create-transparent-gateway-linux)) - See `notes.txt` for configuration notes around certificate & edge config values #### Install Azure IoT Edge on Linux ARM32 (Raspberry PI) - [Deploy Azure IoT Edge runtime on Raspberry Pi](https://docs.microsoft.com/en-us/azure/iot-edge/how-to-install-iot-edge-linux-arm) - Connect with Raspberry Pi - `npm install -g device-discovery-cli` - `devdisco list --eth` or `devdisco list --wifi` - [Upgrade jessie to stretch](https://www.raspberrypi.org/blog/raspbian-stretch/) - `sudo apt-get autoremove` - `sudo apt-get clean` - Generate certificates and make IoT Edge device act as a transparent gateway - `./certGen.sh create_edge_device_certificate "piedgecert"` - `sudo systemctl restart iotedge` - `sudo systemctl status iotedge` - `sudo journalctl -u iotedge` - `journalctl -u iotedge --no-pager --no-full` - [Resolving libssl1.0.2 issue](https://github.com/MicrosoftDocs/azure-docs/issues/11046) - `sudo apt remove docker-ce` - `dpkg --status libssl1.0.2` - `sudo apt update` - `sudo apt upgrade` - `sudo cat /etc/apt/sources.list` - `cat /etc/os-release` - `uname -m` - Install nodejs - `wget https://nodejs.org/dist/v8.11.3/node-v8.11.3-linux-armv7l.tar.xz` - `tar -xvf node-v8.11.3-linux-armv7l.tar.xz` - `cd node-v8.11.3-linux-armv7l.tar.xz` - `sudo cp -R * /usr/local/` #### Build SmartContract and generate ABI and Binary - Start Ganache `ganache-cli` - Open command prompt and navigate to `smartcontracts` folder - `truffle compile` - `truffle test .\test\iotedgecontract.js` (Make sure the unit tests are passing) - `solc --abi .\contracts\IoTEdgeContract.sol` (Copy ABI) - `solc --bin .\contracts\IoTEdgeContract.sol` (Copy Binary) #### Test Smartcontract module code - Start Ganache `ganache-cli --secure -u 0 -h ` - The -u option is to unlock the account, see ganache-cli options for more details. - In `testing\Program.cs` update - `abi` and `binary` variables with the ones copied above - `rpcEndpoint` variable with the RPC Server value shown in Ganache - `cd testing` - `dotnet restore` - `dotnet run` #### Build SmartContract IoT Edge Module - Update `RecordTransaction` method in `BlockchainEdge\modules\SmartContractModule\Program.cs` - Start Docker for Windows on your laptop - Login to Azure Container Registry - `docker login edgeregistry.azurecr.io -u edgeregistry -p ` - In Visual Studio Code, right click on `BlockchainEdge\deployment.template.json` file and click `Build IoT Edge Solution`. This will build the container images and push to ACR. #### Deploy Smartcontract module - In the Azure IoT Hub Devices explorer in Visual Studio Code, right click the edge device, click on `Create deployment for edge device` and select the `BlockchainEdge\config\deployment.json` file. - We can also do this using Azure Portal using Set Modules option. #### Testing Smartcontract module via simulated leaf device - Copy `device` folder - Update IoT hub leaf device connection string - `node app.js` #### Testing Smartcontract module via thunderboard sensor device - Copy `device` folder - Update IoT hub leaf device connection string - Start bluetooth on thunderboard - `sudo node sensor.js` - Install node-thunderboard-react nodejs package - `sudo npm install --unsafe-perm` - Known Issue - The IoT edge module code hangs after connecting to the RPC endpoint if ganache-cli is running on Raspberry PI. Test this by connecting to an Azure Ethereum cluster and changing the Environment variables in the Smart Contract Module. #### Demo (*click on the image to play the video*) [](https://youtu.be/x06SGGijwXc) #### Additional Resources - [Develop C# IoT Edge module on simulated device](https://docs.microsoft.com/en-us/azure/iot-edge/tutorial-csharp-module) - [Managing Certificates for IoT Edge](https://github.com/Azure/azure-iot-sdk-c/blob/master/tools/CACertificates/CACertificateOverview.md) - [Troubleshooting Azure IoT Edge](https://docs.microsoft.com/en-us/azure/iot-edge/troubleshoot) - Remove IoT Edge cache - `sudo rm /var/lib/iotedge/cache -f -d -r` - `sudo rm /var/lib/iotedge/hsm -f -d -r` - `sudo systemctl restart iotedge` - Docker debugging - `sudo docker exec -it bash` - `sudo docker logs -f ` - `sudo docker rm $(sudo docker ps -a -q) -f` - `sudo docker rmi $(sudo docker images -a -q) -f`

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