feat: add autobahn integration tests - batch 1 (CON-249)

Makefile

@@ -347,6 +347,37 @@ giga-integration-test:
 	@echo "=== GIGA Integration Tests Complete ==="
 .PHONY: giga-integration-test
 
+# Run Autobahn integration tests with an Autobahn-enabled cluster.
+autobahn-integration-test:
+	@echo "=== Starting Autobahn Integration Tests ==="
+	@$(MAKE) docker-cluster-stop || true
+	@rm -rf $(PROJECT_HOME)/build/generated
+	@AUTOBAHN=true DOCKER_DETACH=true $(MAKE) docker-cluster-start
+	@echo "Waiting for cluster to be ready..."
+	@timeout=300; elapsed=0; \
+	while [ $$elapsed -lt $$timeout ]; do \
+		if [ -f "build/generated/launch.complete" ] && [ $$(cat build/generated/launch.complete | wc -l) -ge 4 ]; then \
+			echo "All 4 nodes are ready (took $${elapsed}s)"; \
+			break; \
+		fi; \
+		sleep 5; \
+		elapsed=$$((elapsed + 5)); \
+		echo "  Waiting... ($${elapsed}s elapsed)"; \
+	done; \
+	if [ $$elapsed -ge $$timeout ]; then \
+		echo "ERROR: Cluster failed to start within $${timeout}s"; \
+		$(MAKE) docker-cluster-stop; \
+		exit 1; \
+	fi
+	@echo "Waiting 30s for autobahn connections to establish..."
+	@sleep 30
+	@echo "=== Running Autobahn Tests ==="
+	@./integration_test/autobahn/scripts/autobahn_tests.sh || ($(MAKE) docker-cluster-stop && exit 1)
+	@echo "=== Stopping cluster ==="
+	@$(MAKE) docker-cluster-stop
+	@echo "=== Autobahn Integration Tests Complete ==="
+.PHONY: autobahn-integration-test
+
 # Run a mixed-mode cluster: node 0 uses GIGA_EXECUTOR, nodes 1-3 use standard V2.
 # Any determinism divergence between giga and V2 will cause the giga node to halt.
 docker-cluster-start-giga-mixed: docker-cluster-stop build-docker-node

integration_test/autobahn/scripts/autobahn_tests.sh

@@ -0,0 +1,131 @@
+#!/bin/bash
+set -e
+
+LOG_DIR="build/generated/logs"
+
+echo "============================================"
+echo "  Autobahn Integration Tests"
+echo "============================================"
+
+get_height() {
+  # Use abci_info instead of /status because autobahn updates the app state
+  # but not the CometBFT block store, so /status shows height 0.
+  # TODO: switch back to /status once autobahn syncs the CometBFT state store.
+  local retries=10
+  for i in $(seq 1 $retries); do
+    HEIGHT=$(curl -s http://localhost:26657/abci_info 2>/dev/null | python3 -c "import sys,json; print(json.load(sys.stdin)['response']['last_block_height'])" 2>/dev/null)
+    if [ -n "$HEIGHT" ] && [ "$HEIGHT" != "0" ]; then
+      echo "$HEIGHT"
+      return 0
+    fi
+    sleep 3
+  done
+  echo "FAIL: Could not get block height after $retries retries" >&2
+  return 1
+}
+
+# Assert autobahn is enabled on all running nodes.
+# Called before each test to guard against accidental disablement.
+assert_autobahn_enabled() {
+  for i in 0 1 2 3; do
+    LOG="$LOG_DIR/seid-$i.log"
+    if [ ! -f "$LOG" ]; then continue; fi
+    if ! grep -q "GigaRouter initialized" "$LOG"; then
+      echo "FAIL: Autobahn not enabled on node $i (missing 'GigaRouter initialized' in $LOG)"
+      exit 1
+    fi
+  done
+}
+
+# ---- Test 1: Blocks are being produced ----
+echo ""
+echo "=== Test 1: Block production ==="
+assert_autobahn_enabled
+HEIGHT1=$(get_height)
+echo "  Height: $HEIGHT1"
+sleep 5
+HEIGHT2=$(get_height)
+echo "  Height: $HEIGHT2 (after 5s)"
+if [ "$HEIGHT2" -le "$HEIGHT1" ]; then
+  echo "FAIL: Block height not advancing ($HEIGHT1 -> $HEIGHT2)"
+  exit 1
+fi
+echo "PASS: Blocks advancing ($HEIGHT1 -> $HEIGHT2)"
+
+# ---- Test 2: Bank transfer ----
+echo ""
+echo "=== Test 2: Bank transfer ==="
+assert_autobahn_enabled
+# Create a test recipient address
+RECIPIENT=$(docker exec sei-node-0 sh -c "printf '12345678\n12345678\n' | seid keys add test_recipient --output json 2>/dev/null" | python3 -c "import sys,json; print(json.load(sys.stdin)['address'])")
+echo "  Recipient: $RECIPIENT"
+
+# Send from node_admin (genesis account) to recipient.
+# Use -b sync (not -b block) because CometBFT consensus is disabled in autobahn mode.
+# TODO: support -b block once autobahn updates the CometBFT block store so the broadcast
+# endpoint can track tx inclusion.
+docker exec sei-node-0 sh -c "printf '12345678\n' | seid tx bank send node_admin $RECIPIENT 1000000usei --chain-id sei --fees 2000usei -b sync -y --output json" > /dev/null 2>&1
+
+# Wait for the tx to be finalized through autobahn consensus.
+echo "  Waiting for tx to finalize..."
+BALANCE="0"
+for attempt in $(seq 1 15); do
+  BALANCE=$(docker exec sei-node-0 seid q bank balances "$RECIPIENT" --denom usei --output json 2>/dev/null | python3 -c "import sys,json; print(json.load(sys.stdin)['amount'])" 2>/dev/null)
+  if [ "$BALANCE" = "1000000" ]; then
+    break
+  fi
+  sleep 2
+done
+echo "  Balance: $BALANCE usei"
+if [ "$BALANCE" != "1000000" ]; then
+  echo "FAIL: Expected balance 1000000, got $BALANCE"
+  exit 1
+fi
+echo "PASS: Bank transfer successful"
+
+# ---- Test 3: Fault tolerance - one node down ----
+echo ""
+echo "=== Test 3: One node down (3/4 quorum) ==="
+assert_autobahn_enabled
+HEIGHT_BEFORE=$(get_height)
+echo "  Height before: $HEIGHT_BEFORE"
+echo "  Killing seid on node 3..."
+docker exec sei-node-3 pkill seid || true
+sleep 10
+HEIGHT_AFTER=$(get_height)
+echo "  Height after: $HEIGHT_AFTER"
+if [ "$HEIGHT_AFTER" -le "$HEIGHT_BEFORE" ]; then
+  echo "FAIL: Chain should continue with 3/4 validators"
+  exit 1
+fi
+echo "PASS: Chain continues with one node down ($HEIGHT_BEFORE -> $HEIGHT_AFTER)"
+
+# ---- Test 4: Two nodes down (no quorum) ----
+echo ""
+echo "=== Test 4: Two nodes down (no quorum) ==="
+assert_autobahn_enabled
+echo "  Killing seid on node 2..."
+docker exec sei-node-2 pkill seid || true
+sleep 5
+HEIGHT_BEFORE=$(get_height)
+echo "  Height: $HEIGHT_BEFORE"
+sleep 15
+HEIGHT_AFTER=$(get_height)
+echo "  Height after 15s: $HEIGHT_AFTER"
+if [ "$HEIGHT_AFTER" -ne "$HEIGHT_BEFORE" ]; then
+  echo "FAIL: Chain should halt with 2/4 validators (height changed: $HEIGHT_BEFORE -> $HEIGHT_AFTER)"
+  exit 1
+fi
+echo "PASS: Chain halted with two nodes down"
+
+# ---- Test 5: Recovery ----
+# TODO: Re-enable once autobahn supports node restart. Currently, a restarted seid fails
+# because autobahn writes to the app state but not to the CometBFT block/state store.
+# On restart, the CometBFT handshaker sees appHeight >> storeHeight and cannot reconcile.
+echo ""
+echo "=== Test 5: Recovery (SKIPPED — autobahn node restart not yet supported) ==="
+
+echo ""
+echo "============================================"
+echo "  All Autobahn Integration Tests PASSED"
+echo "============================================"

sei-tendermint/cmd/tendermint/commands/gen_autobahn_config.go

@@ -75,7 +75,7 @@ Output is written to the file specified by --output.`,
 				MaxTxsPerBlock:   5_000,
 				MempoolSize:      5_000,
 				BlockInterval:    utils.Duration(400 * time.Millisecond),
-				AllowEmptyBlocks: false,
+				AllowEmptyBlocks: true,
 				ViewTimeout:      utils.Duration(1500 * time.Millisecond),
 				DialInterval:     utils.Duration(10 * time.Second),
 			}