Hyperledger FabricのCapability機能

Hyperledger Fabric では、大規模なブロックチェーンネットワークを構成することを想定し、異なるバージョンのPEERとORDERERが混在できるように、プロトコルの互換性を確保している　(Capability機能という）。
Fabric Java SDKはv1.1を利用し、PEER/ORDERER/CAはv1.2を利用するブロックチェーン環境において、ユーザのenroll、チェーンコードをINVOKE/QUERYできるかを実機検証してみる。

実機確認結果
全てのインターフェースで、互換性を確認できた。

PEERに対するINVOKE：OK
Fabric SDKからPEERへのプロポーザル送信
DEBUG Channel - Channel mychannel got back from peer peer0.org1.example.com status: 200, message: 

Fabric SDKからOrdererへのトランザクション送信
DEBUG OrdererClient - resp status value: 200, resp: SUCCESS

PEERからFabric SDKへのブロック通知
DEBUG EventHub - EventHub eventhub01 got  event type: BLOCK

PEERに対するQUERY：OK
INFO  HFJavaSDKBasicExample - [{"Key":"CAR0", "Record":{"colour":"blue","make":"Toyota","model":"Prius","owner":"Tomoko"}},{"Key":"CAR1", "Record":{"colour":"red","make":"Ford","model":"Mustang","owner":"Brad"}},{"Key":"CAR12", "Record":{"colour":"Black","make":"Honda","model":"Accord","owner":"Tom"}},{"Key":"CAR13", "Record":{"colour":"Black","make":"Honda","model":"Accord","owner":"Tom"}},{"Key":"CAR2", "Record":{"colour":"green","make":"Hyundai","model":"Tucson","owner":"Jin Soo"}},{"Key":"CAR3", "Record":{"colour":"yellow","make":"Volkswagen","model":"Passat","owner":"Max"}},{"Key":"CAR4", "Record":{"colour":"black","make":"Tesla","model":"S","owner":"Adriana"}},{"Key":"CAR5", "Record":{"colour":"purple","make":"Peugeot","model":"205","owner":"Michel"}},{"Key":"CAR6", "Record":{"colour":"white","make":"Chery","model":"S22L","owner":"Aarav"}},{"Key":"CAR7", "Record":{"colour":"violet","make":"Fiat","model":"Punto","owner":"Pari"}},{"Key":"CAR8", "Record":{"colour":"indigo","make":"Tata","model":"Nano","owner":"Valeria"}},{"Key":"CAR9", "Record":{"colour":"brown","make":"Holden","model":"Barina","owner":"Shotaro"}}]

CAでのユーザ認証: OK
DEBUG HFClient - Setting user context to MSPID: Org1MSP user: admin