fix(justfile): resolve .env file issues for integration tests (#800)

Add setup-integration-env rule to create a symlink to local-network/.env dependency.

Author: neithanmo

justfile

@@ -4,36 +4,26 @@
 #  # print the help
 help:
     just -l
-
 deps:
     cargo install sqlx-cli --no-default-features --features native-tls,postgres
-
 url:
     @echo export DATABASE_URL=postgresql://postgres:postgres@127.0.0.1:5432
-
 clippy:
     cargo +nightly clippy --all-targets --all-features
-
 #  run everything that is needed for ci to pass
 ci:
   just fmt
   just clippy
   just test
   just sqlx-prepare
-
-
 test:
     RUST_LOG=debug cargo nextest run
-
 review:
     RUST_LOG=debug cargo insta review
-
 fmt:
     cargo +nightly fmt
-
 sqlx-prepare:
     cargo sqlx prepare --workspace  -- --all-targets --all-features
-
 psql-up: 
     @docker run -d --name indexer-rs-psql -p 5432:5432 -e POSTGRES_PASSWORD=postgres postgres
     @sleep 5
@@ -42,24 +32,34 @@ psql-up:
 psql-down:
     docker stop indexer-rs-psql
     docker rm indexer-rs-psql
-
 migrate:
      sqlx migrate run --database-url postgresql://postgres:postgres@127.0.0.1:5432
 
+# Creates symlink to contrib/local-network/.env file
+# Required for scripts that need to read contract addresses and network config
+# Assumes the local-network submodule is present (run 'just setup' if missing)
+setup-integration-env:
+    @if [ ! -f integration-tests/.env ]; then \
+        ln -sf ../contrib/local-network/.env integration-tests/.env; \
+        echo "Symlink to local-network .env created"; \
+    else \
+        echo "Integration tests .env already exists"; \
+    fi
 
 # Development workflow commands
 # -----------------------------
-
-# Full setup for testing 
-# using a local network
+# Full setup for testing using a local network
+# This deploys all containers, contracts, and funds escrow
 setup:
     ./setup-test-network.sh
 
 # Rebuild binaries and restart services after code changes
-reload:
+# Assumes local network is already running (run 'just setup' if not)
+reload: setup-integration-env
     ./dev-reload.sh
 
 # Watch log output from services
+# Assumes local network is already running (run 'just setup' if not)
 logs:
     @cd contrib && docker compose -f docker-compose.dev.yml logs -f
 
@@ -69,32 +69,35 @@ down:
     @cd contrib/local-network && docker compose down
     docker rm -f indexer-service tap-agent gateway block-oracle indexer-agent graph-node redpanda tap-aggregator tap-escrow-manager 2>/dev/null || true
 
-
 # Profiling commands
 # -----------------------------
-
 # Profile indexer-service with flamegraph
-profile-flamegraph:
+# Assumes local network is already running (run 'just setup' if not)
+profile-flamegraph: setup-integration-env
     @mkdir -p contrib/profiling/output
     ./prof-reload.sh flamegraph
 
 # Profile indexer-service with valgrind
-profile-valgrind:
+# Assumes local network is already running (run 'just setup' if not)
+profile-valgrind: setup-integration-env
     @mkdir -p contrib/profiling/output
     ./prof-reload.sh valgrind
 
 # Profile indexer-service with strace
-profile-strace:
+# Assumes local network is already running (run 'just setup' if not)
+profile-strace: setup-integration-env
     @mkdir -p contrib/profiling/output
     ./prof-reload.sh strace
 
-profile-callgrind:
+# Profile indexer-service with callgrind
+# Assumes local network is already running (run 'just setup' if not)  
+profile-callgrind: setup-integration-env
     @mkdir -p contrib/profiling/output
     ./prof-reload.sh callgrind
 
 # Stop the running indexer-service (useful after profiling)
 # This sends SIGTERM, allowing the trap in start-perf.sh to handle cleanup (e.g., generate flamegraph)
-stop-profiling:  # <-- New Rule Added Here
+stop-profiling:
     @echo "🛑 Stopping the indexer-service container (allowing profiling data generation)..."
     cd contrib && docker compose -f docker-compose.prof.yml stop indexer-service tap-agent
     @echo "✅ Service stop signal sent. Check profiling output directory."
@@ -105,15 +108,27 @@ profile-restore:
     cd contrib && docker compose -f docker-compose.prof.yml up -d --force-recreate indexer-service tap-agent
     @echo "✅ Normal service restored"
 
+# Integration test commands (assume local network is already running)
+# For fresh setup, run 'just setup' first to deploy all infrastructure
+# -----------------------------------------------------------------------------
 
-test-local:
+# Test RAV v1 receipts (legacy TAP) 
+# Assumes local network is running - run 'just setup' if services are not available
+test-local: setup-integration-env
+    @echo "Running RAV v1 integration tests (assumes local network is running)..."
     @cd integration-tests && ./fund_escrow.sh
     @cd integration-tests && cargo run -- rav1
 
-test-local-v2:
+# Test RAV v2 receipts (Horizon TAP)
+# Assumes local network is running - run 'just setup' if services are not available  
+test-local-v2: setup-integration-env
+    @echo "Running RAV v2 integration tests (assumes local network is running)..."
     @cd integration-tests && ./fund_escrow.sh
     @cd integration-tests && cargo run -- rav2
 
-load-test-v2 num_receipts="1000":
+# Load test with v2 receipts
+# Assumes local network is running - run 'just setup' if services are not available
+load-test-v2 num_receipts="1000": setup-integration-env
+    @echo "Running load test with {{num_receipts}} receipts (assumes local network is running)..."
     @cd integration-tests && ./fund_escrow.sh
     @cd integration-tests && cargo run -- load-v2 --num-receipts {{num_receipts}}