token

README

Shows the use of Logging Interface from chaincode

1. Setup the dev Environment ============================

1. Launch env in net mode

dev-init.sh

2. Set up chaincode environment

source set-env.sh acme

1. Setup the Chaincode ======================

1. setup the env

set-chain-env.sh -n token -v 1.0 -p token/v2 -c '{"Args":["init"]}'

2. Package, Install & Instantiate the chaincode

chain.sh install -p

chain.sh instantiate

3. Start following the log messages for the chaincode

cc-logs.sh -f

1. Invoke the chaincode ======================= <Terminal#2>

1. Open a new terminal #2 window and setup the environment

source set-env.sh acme

2. Execute the invoke & observe in terminal # 1

chain.sh invoke

1. Change the Logging level to ERRROR =====================================

Change the chainncode logging level in network/config/core.yaml

Set it to level = error

1. Stop | Start the dev environment ===================================

1. In terminal #1 Kill the log script using ^C

2. In terminal #1 Restart the containers

dev-stop.sh dev-start.sh

3. In terminal #1 Start the log script

cc-logs.sh -f

1. Execute the invoke on chaincode ==================================

1. In terminal #2 Invoke the chain code

chain.sh invoke

In terminal#1 you will see only the Error & Fatal level messages

1. IMPORTANT: Revert the log level to info in network/config/core.yaml ====================================================================== Change the log level to info otherwise you would not see the details for any Chaincode !!!