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FAB-3659 remove outdated v0.6 events listener doc
Remove outdated text which is confusing, and later FAB-3037 can be used for new README and to describe events in the architecture overview in the docs/source/ documentation. Change-Id: I93709962b958366d505a8c9672b56f77b21887a6 Signed-off-by: Scott Zwierzynski <[email protected]>
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# What is block-listener
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block-listener.go will connect to a peer and receive blocks events, transaction rejection events and chaincode events (if a chaincode emits events).
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## WIP : TODO for v1.0 using FAB-3037
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Need to describe this tool, and all about events
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# To Run
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```sh
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1. go build
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2. ./block-listener -events-address=< event address > -listen-to-rejections=< true | false > -events-from-chaincode=< chaincode ID >
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```
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# Example with PBFT
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## Run 4 docker peers with PBFT
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```sh
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docker run --rm -it -e CORE_VM_ENDPOINT=http://172.17.0.1:2375 -e CORE_PEER_ID=vp0 -e CORE_PEER_ADDRESSAUTODETECT=true -e CORE_PEER_VALIDATOR_CONSENSUS_PLUGIN=pbft hyperledger/fabric-peer peer node start
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docker run --rm -it -e CORE_VM_ENDPOINT=http://172.17.0.1:2375 -e CORE_PEER_ID=vp1 -e CORE_PEER_ADDRESSAUTODETECT=true -e CORE_PEER_DISCOVERY_ROOTNODE=172.17.0.2:7051 -e CORE_PEER_VALIDATOR_CONSENSUS_PLUGIN=pbft hyperledger/fabric-peer peer node start
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docker run --rm -it -e CORE_VM_ENDPOINT=http://172.17.0.1:2375 -e CORE_PEER_ID=vp2 -e CORE_PEER_ADDRESSAUTODETECT=true -e CORE_PEER_DISCOVERY_ROOTNODE=172.17.0.2:7051 -e CORE_PEER_VALIDATOR_CONSENSUS_PLUGIN=pbft hyperledger/fabric-peer peer node start
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docker run --rm -it -e CORE_VM_ENDPOINT=http://172.17.0.1:2375 -e CORE_PEER_ID=vp3 -e CORE_PEER_ADDRESSAUTODETECT=true -e CORE_PEER_DISCOVERY_ROOTNODE=172.17.0.2:7051 -e CORE_PEER_VALIDATOR_CONSENSUS_PLUGIN=pbft hyperledger/fabric-peer peer node start
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## Attach event client to a Peer
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```sh
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./block-listener -events-address=172.17.0.2:7053 -listen-to-rejections=true
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```
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Event client should output "Event Address: 172.17.0.2:7053" and wait for events.
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## Create a deploy transaction
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Submit a transaction to deploy chaincode_example02.
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```sh
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CORE_PEER_ADDRESS=172.17.0.2:7051 peer chaincode deploy -p github.com/hyperledger/fabric/examples/chaincode/go/chaincode_example02 -c '{"Function":"init", "Args": ["a","100", "b", "200"]}'
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```
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Notice success transaction in the events client.
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## Create an invoke transaction - good
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Send a valid invoke transaction to chaincode_example02.
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```sh
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CORE_PEER_ADDRESS=172.17.0.2:7051 peer chaincode invoke -n 1edd7021ab71b766f4928a9ef91182c018dffb86fef7a4b5a5516ac590a87957e21a62d939df817f5105f524abddcddfc7b1a60d780f02d8235bd7af9db81b66 -c '{"Function":"invoke", "Args": ["a","b","10"]}'
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```
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Notice success transaction in events client.
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## Create an invoke transaction - bad
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Send an invoke transaction with invalid parameters to chaincode_example02.
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```sh
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CORE_PEER_ADDRESS=172.17.0.2:7051 peer chaincode invoke -n 1edd7021ab71b766f4928a9ef91182c018dffb86fef7a4b5a5516ac590a87957e21a62d939df817f5105f524abddcddfc7b1a60d780f02d8235bd7af9db81b66 -c '{"Function":"invoke", "Args": ["a","b"]}'
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```
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Notice error transaction in events client.
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# Tesing chaincode events
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Chaincode github.com/hyperledger/fabric/examples/chaincode/go/eventsender can be used to test event sender.
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## Deploy eventsender chaincode
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Stop the event listener and restart it as follows
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```
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CORE_PEER_ADDRESS=172.17.0.2:7051 ./peer chaincode deploy -p github.com/hyperledger/fabric/examples/chaincode/go/eventsender -c '{"Function":"init", "Args":[]}'
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```
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```
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Note the chaincode ID of the eventsender chaincode. This will be used in the commands below.
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```
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## Restart event listener
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Stop the event listener if running and restart it with `-events-from-chaincode` option
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```sh
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./block-listener -events-address=172.17.0.2:7053 -listen-to-rejections=true -events-from-chaincode=< event sender chaincode ID>
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```
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##Send an invoke request to event sender
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```sh
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CORE_PEER_ADDRESS=172.17.0.2:7051 ./peer chaincode invoke -n < eventsender chaincode ID > -c '{"Function":"greet", "Args":["hello","world"]}'
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```
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Note the output from the event listener terminal showing a chaincode event from the event sender chaincode in addition to the block event generated by the transaction.

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