feat(monero): Remote node load balancing (#420)

monero-rpc-pool/regenerate_sqlx_cache.sh

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+#!/bin/bash
+
+# regenerate_sqlx_cache.sh
+# 
+# Script to regenerate SQLx query cache for monero-rpc-pool
+# 
+# This script:
+# 1. Creates a temporary SQLite database in a temp directory
+# 2. Runs all database migrations to set up the schema
+# 3. Regenerates the SQLx query cache (.sqlx directory)
+# 4. Cleans up temporary files automatically
+#
+# Usage:
+#   ./regenerate_sqlx_cache.sh
+#
+# Requirements:
+# - cargo and sqlx-cli must be installed
+# - Must be run from the monero-rpc-pool directory
+# - migrations/ directory must exist with valid migration files
+#
+# The generated .sqlx directory should be committed to version control
+# to enable offline compilation without requiring DATABASE_URL.
+
+set -e  # Exit on any error
+
+echo "🔄 Regenerating SQLx query cache..."
+
+# Create a temporary directory for the database
+TEMP_DIR=$(mktemp -d)
+TEMP_DB="$TEMP_DIR/temp_sqlx_cache.sqlite"
+DATABASE_URL="sqlite:$TEMP_DB"
+
+echo "📁 Using temporary database: $TEMP_DB"
+
+# Function to cleanup on exit
+cleanup() {
+    echo "🧹 Cleaning up temporary files..."
+    rm -rf "$TEMP_DIR"
+}
+trap cleanup EXIT
+
+# Export DATABASE_URL for sqlx commands
+export DATABASE_URL
+
+echo "🗄️  Creating database..."
+cargo sqlx database create
+
+echo "🔄 Running migrations..."
+cargo sqlx migrate run
+
+echo "⚡ Preparing SQLx query cache..."
+cargo sqlx prepare
+
+echo "✅ SQLx query cache regenerated successfully!"
+echo "📝 The .sqlx directory has been updated with the latest query metadata."
+echo "💡 Make sure to commit the .sqlx directory to version control."