Add integration tests for service to fill indexing gap

scripts/run_integration_test.sh

@@ -5,6 +5,7 @@ export ETH_FORWARD_ETH_CALLS=false
 export DB_WRITE=true
 export ETH_HTTP_PATH=""
 export ETH_PROXY_ON_ERROR=false
+export WATCHED_ADDRESS_GAP_FILLER_ENABLED=false
 
 # Clear up existing docker images and volume.
 docker-compose down --remove-orphans --volumes

scripts/run_integration_test_forward_eth_calls.sh

@@ -5,6 +5,7 @@ export ETH_FORWARD_ETH_CALLS=true
 export DB_WRITE=false
 export ETH_HTTP_PATH="dapptools:8545"
 export ETH_PROXY_ON_ERROR=false
+export WATCHED_ADDRESS_GAP_FILLER_ENABLED=false
 
 # Clear up existing docker images and volume.
 docker-compose down --remove-orphans --volumes

scripts/run_integration_test_watched_address_gap_filler.sh

@@ -0,0 +1,28 @@
+set -e
+set -o xtrace
+
+export ETH_FORWARD_ETH_CALLS=false
+export DB_WRITE=true
+export ETH_HTTP_PATH=""
+export ETH_PROXY_ON_ERROR=false
+export WATCHED_ADDRESS_GAP_FILLER_ENABLED=true
+export WATCHED_ADDRESS_GAP_FILLER_INTERVAL=5
+
+# Clear up existing docker images and volume.
+docker-compose down --remove-orphans --volumes
+
+# Build and start the containers.
+# Note: Build only if `ipld-eth-server` or other container code is modified. Otherwise comment this line.
+docker-compose -f docker-compose.test.yml -f docker-compose.yml build eth-server
+docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
+
+export PGPASSWORD=password
+export DATABASE_USER=vdbm
+export DATABASE_PORT=8077
+export DATABASE_PASSWORD=password
+export DATABASE_HOSTNAME=127.0.0.1
+
+# Wait for containers to be up and execute the integration test.
+while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
+          make integrationtest