Add ECDSA signature verification and enhance ComboHandler functionality

- Integrated ECDSA for signature verification in ComboHandler.
- Updated event emissions to include additional parameters for better tracking.
- Improved gas tracking during execution of combo plans.
- Enhanced database interactions for storing and retrieving plans, including conflict resolution and status updates.
- Added new dependencies for security and database management in orchestrator.

orchestrator/src/logging/logger.ts

@@ -0,0 +1,74 @@
+import pino from "pino";
+import { env } from "../config/env";
+
+/**
+ * Configure Pino logger with structured logging
+ */
+export const logger = pino({
+  level: env.LOG_LEVEL,
+  transport: {
+    target: "pino-pretty",
+    options: {
+      colorize: true,
+      translateTime: "SYS:standard",
+      ignore: "pid,hostname",
+    },
+  },
+  formatters: {
+    level: (label) => {
+      return { level: label };
+    },
+  },
+  serializers: {
+    req: (req) => ({
+      id: req.id,
+      method: req.method,
+      url: req.url,
+      headers: {
+        host: req.headers.host,
+        "user-agent": req.headers["user-agent"],
+        "x-request-id": req.headers["x-request-id"],
+      },
+    }),
+    res: (res) => ({
+      statusCode: res.statusCode,
+    }),
+    err: pino.stdSerializers.err,
+  },
+});
+
+/**
+ * Mask PII in log data
+ */
+export function maskPII(data: any): any {
+  if (typeof data === "string") {
+    // Mask email addresses
+    return data.replace(/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b/g, "[EMAIL]");
+  }
+  if (Array.isArray(data)) {
+    return data.map(maskPII);
+  }
+  if (data && typeof data === "object") {
+    const masked: any = {};
+    for (const key in data) {
+      const lowerKey = key.toLowerCase();
+      if (lowerKey.includes("email") || lowerKey.includes("password") || lowerKey.includes("secret") || lowerKey.includes("token")) {
+        masked[key] = "[REDACTED]";
+      } else if (lowerKey.includes("iban") || lowerKey.includes("account")) {
+        masked[key] = data[key] ? `${String(data[key]).substring(0, 4)}****` : data[key];
+      } else {
+        masked[key] = maskPII(data[key]);
+      }
+    }
+    return masked;
+  }
+  return data;
+}
+
+/**
+ * Create child logger with context
+ */
+export function createChildLogger(context: Record<string, any>) {
+  return logger.child(maskPII(context));
+}
+