Script

app/data/compose/docker-compose-fixturenet-eth.yml

@@ -49,6 +49,8 @@ services:
       timeout: 10s
       retries: 10
       start_period: 3s
+    environment:
+      CERC_KEEP_RUNNING_AFTER_GETH_EXIT: "true"
     env_file:
       - ../config/fixturenet-eth/fixturenet-eth.env
     image: cerc/fixturenet-eth-geth:local

app/data/container-build/cerc-fixturenet-eth-lighthouse/scripts/export-ethdb.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+MY_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+GETH_EXPORT_MIN_BLOCK=${1:-${GETH_EXPORT_MIN_BLOCK:-1000}}
+
+# Wait for block.
+${MY_DIR}/status.sh $GETH_EXPORT_MIN_BLOCK
+if [ $? -ne 0 ]; then
+  echo "Unable to export ethdb." 1>&2
+  exit 1
+fi
+
+# Stop geth.
+echo -n "Exporting ethdb.... "
+GETH_CONTAINER=`docker ps -q -f "name=${CERC_SO_COMPOSE_PROJECT}-fixturenet-eth-geth-2-1"`
+if [ -z "$GETH_CONTAINER" ]; then 
+  echo "not found"
+  exit 1
+fi
+
+docker exec $GETH_CONTAINER sh -c 'rm -rf /root/tmp && mkdir -p /root/tmp/export'
+docker exec $GETH_CONTAINER sh -c 'ln -s /opt/testnet/build/el/geth.json /root/tmp/export/genesis.json && ln -s /root/ethdata /root/tmp/export/'
+docker exec $GETH_CONTAINER sh -c 'cat /root/tmp/export/genesis.json | jq ".config" > /root/tmp/export/genesis.config.json'
+
+# Stop geth and zip up ethdb.
+docker exec $GETH_CONTAINER sh -c 'curl -s --location "localhost:8545" --header "Content-Type: application/json" --data "{\"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"eth_getBlockByNumber\", \"params\": [\"0x0\", false]}" > /root/tmp/export/eth_getBlockByNumber_0x0.json'
+docker exec $GETH_CONTAINER sh -c 'curl -s --location "localhost:8545" --header "Content-Type: application/json" --data "{\"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"eth_blockNumber\", \"params\": []}" > /root/tmp/export/eth_blockNumber.json'
+docker exec $GETH_CONTAINER sh -c "killall geth && sleep 2 && tar chzf /root/tmp/ethdb.tgz -C /root/tmp/export ."
+
+# Copy ethdb to host.
+GETH_EXPORT_FILE=${2:-${GETH_EXPORT_FILE:-./ethdb.tgz}}
+docker cp $GETH_CONTAINER:/root/tmp/ethdb.tgz $GETH_EXPORT_FILE
+echo "$GETH_EXPORT_FILE"
+docker exec $GETH_CONTAINER sh -c "rm -rf /root/tmp"
+
+# Restart the container to get geth back up and running.
+docker restart $GETH_CONTAINER >/dev/null