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The removed samples make use of deprecated legacy client SDKs. They all have equivalent samples implemented using the currently supported Fabric Gateway client API, and are therefore redundant. Signed-off-by: Mark S. Lewis <Mark.S.Lewis@outlook.com>
75 lines
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3 KiB
Markdown
75 lines
No EOL
3 KiB
Markdown
# Asset transfer private data sample
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The asset transfer private data sample demonstrates:
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- Usage of organization private data collections
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- Read data from the organization private data collection.
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- Store data in organization private data collection.
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For more information about private data, visit the
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[Private Data](https://hyperledger-fabric.readthedocs.io/en/latest/private-data-arch.html)
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page in the Fabric documentation.
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## About the sample
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This sample includes smart contract and application code in multiple languages. In a use-case similar to basic asset transfer (see [asset-transfer-basic](../asset-transfer-basic) folder) this sample shows sending and receiving of asset along with its private data owned by organizations during create / delete of an asset , and during transfer of an asset to a new owner.
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### Application
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Please refer the below link to understand the application flow.
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https://hyperledger-fabric.readthedocs.io/en/latest/private-data/private-data.html#example-scenario-asset-transfer-using-private-data-collections
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### Smart Contract
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The smart contract (in folder `chaincode-xyz`) implements the following functions to support the application:
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CreateAsset
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AgreeToTransfer
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TransferAsset
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DeleteAsset
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DeleteTranferAgreement
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ReadAsset
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ReadAssetPrivateDetails
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ReadTransferAgreement
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GetAssetByRange
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QueryAssetByOwner
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QueryAssets
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getQueryResultForQueryString
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## Running the sample
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Like other samples, the Fabric test network is used to deploy and run this sample. Follow these steps in order:
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1. Create the test network and a channel (from the `test-network` folder).
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```
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./network.sh up createChannel -c mychannel -ca
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```
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2. Deploy one of the smart contract implementations (from the `test-network` folder).
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```
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# To deploy the Java chaincode implementation
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./network.sh deployCC -ccn private -ccp ../asset-transfer-private-data/chaincode-java -ccl java -ccep "OR('Org1MSP.peer','Org2MSP.peer')" -cccg '../asset-transfer-private-data/chaincode-java/collections_config.json' -ccep "OR('Org1MSP.peer','Org2MSP.peer')"
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# To deploy the go chaincode implementation
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./network.sh deployCC -ccn private -ccp ../asset-transfer-private-data/chaincode-go -ccl go -ccep "OR('Org1MSP.peer','Org2MSP.peer')" -cccg '../asset-transfer-private-data/chaincode-go/collections_config.json' -ccep "OR('Org1MSP.peer','Org2MSP.peer')"
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# To deploy the typescript chaincode implementation
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./network.sh deployCC -ccn private -ccp ../asset-transfer-private-data/chaincode-typescript/ -ccl typescript -ccep "OR('Org1MSP.peer','Org2MSP.peer')" -cccg ../asset-transfer-private-data/chaincode-typescript/collections_config.json
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```
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3. Run the application (from the `asset-transfer-private-data` folder).
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```
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# To run the Typescript sample application
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cd application-gateway-typescript
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npm install
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npm start
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```
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## Clean up
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When you are finished, you can bring down the test network (from the `test-network` folder). The command will remove all the nodes of the test network, and delete any ledger data that you created.
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```
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./network.sh down
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``` |