build(fuel-core-nats): automate running fuel-core-nats locally

.env.sample

@@ -0,0 +1,2 @@
+INFURA_API_KEY=2d0fcc5e22...
+GENERATED_P2P_SECRET=930ge1d26cdd143e401923e69ca5d...

Makefile

@@ -21,7 +21,7 @@ check-commands:
 	done
 
 setup: COMMANDS=rustup pre-commit
-setup: check-commands 
+setup: check-commands
 	./scripts/setup.sh
 
 # ------------------------------------------------------------
@@ -45,12 +45,15 @@ start-nats:	CMDS=docker-compose
 start-nats: check-commands
 	docker-compose -f docker/docker-compose.yml up
 
-stop-nats: 
+stop-nats:
 	docker-compose -f docker/docker-compose.yml down
 
 run:
 	cargo run --release
 
+run-fuel-core-nats:
+	./scripts/run-fuel-core-nats.sh
+
 clean:
 	cargo clean
 	rm -rf release

scripts/run-fuel-core-nats.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# Load environment variables from .env file
+if [ -f .env ]; then
+    export $(grep -v '^#' .env | xargs)
+else
+    echo ".env file not found. Please create a .env file using the '.env.sample' template and try again."
+    exit 1
+fi
+
+check_env_var() {
+    local var_name="$1"
+    local var_value="${!var_name}"
+    if [ -z "$var_value" ]; then
+        echo "Environment variable $var_name is not set. Aborting."
+        exit 1
+    fi
+}
+
+check_env_var "INFURA_API_KEY"
+check_env_var "GENERATED_P2P_SECRET"
+
+ETH_RPC_ENDPOINT="https://sepolia.infura.io/v3/${INFURA_API_KEY}"
+P2P_SECRET="${GENERATED_P2P_SECRET}"
+
+cd ./crates/fuel-core-nats
+
+cargo run --all-features --bin fuel-core-nats -- \
+    --service-name "NATS Publisher Node" \
+    --ip 0.0.0.0 \
+    --port 4000 \
+    --peering-port 30333 \
+    --utxo-validation \
+    --poa-instant false \
+    --enable-p2p \
+    --keypair $P2P_SECRET \
+    --sync-header-batch-size=100 \
+    --enable-relayer \
+    --relayer ${ETH_RPC_ENDPOINT} \
+    --relayer-v2-listening-contracts=0x768f9459E3339A1F7d59CcF24C80Eb4A711a01FB \
+    --relayer-da-deploy-height=5791365 \
+    --relayer-log-page-size=2000 \