docker-compose-files/hyperledger_fabric/latest/scripts/test_configtxlator.sh

#!/bin/bash
# Demo to use configtxlator to modify orderer config
# Usage: bash test_configtxlator solo|kafka
# Configtxlator APIs:
# Json -> ProtoBuf: http://$SERVER:$PORT/protolator/encode/<message.Name>
# ProtoBuf -> Json: http://$SERVER:$PORT/protolator/decode/<message.Name>
# Compute Update: http://$SERVER:$PORT/configtxlator/compute/update-from-configs
# <message.Name> could be: common.Block, common.Envelope, common.ConfigEnvelope, common.ConfigUpdateEnvelope, common.Config, common.ConfigUpdate
# More details about configtxlator, see http://hlf.readthedocs.io/en/latest/configtxlator.html

if [ -f ./func.sh ]; then
  source ./func.sh
elif [ -f scripts/func.sh ]; then
  source scripts/func.sh
fi

[ $# -ne 1 ] && echo_r "Usage: bash test_configtxlator solo|kafka" && exit 1

MODE=$1

pushd $MODE/${CHANNEL_ARTIFACTS}

# Must run `make gen_config` to generate config files first

echo_b "Clean potential existing container $CTL_CONTAINER"
[ "$(docker ps -a | grep $CTL_CONTAINER)" ] && docker rm -f $CTL_CONTAINER

echo_b "Start configtxlator service in background (listen on port 7059)"
docker run \
  -d -it \
  --name ${CTL_CONTAINER} \
  -p 127.0.0.1:7059:7059 \
  -v ${PWD}:/tmp \
  -w /tmp \
  ${CTL_IMG} \
  configtxlator start --port=7059

sleep 1

echo_b "Convert all block files into json"
for block_file in *.block; do
  configtxlatorDecode "common.Block" ${block_file} ${block_file}.json
  decode_result=$?
  #echo_b "Parse payload..."
  #[ ${decode_result} -eq 0 ] && jq "$PAYLOAD_PATH" ${block_file}.json > ${block_file}_payload.json
done

echo_b "Update the content of orderer genesis file"
if [ -f ${ORDERER0_GENESIS_BLOCK} ]; then
  echo_b "Checking existing Orderer.BatchSize.max_message_count in the genesis json"
  jq "$MAX_BATCH_SIZE_PATH" ${ORDERER0_GENESIS_BLOCK}.json

  echo_b "Creating new genesis json with updated Orderer.BatchSize.max_message_count"
  jq "$MAX_BATCH_SIZE_PATH=100" ${ORDERER0_GENESIS_BLOCK}.json >${ORDERER0_GENESIS_BLOCK}_updated.json

  echo_b "Re-Encoding the updated orderer genesis json to block"
  configtxlatorEncode "common.Block" ${ORDERER0_GENESIS_BLOCK}_updated.json ${ORDERER0_GENESIS_BLOCK}_updated.block
fi

echo_b "Stop configtxlator service"
docker rm -f $CTL_CONTAINER

echo_g "Test configtxlator for $MODE Passed"