Add enhanced concurrency patterns, rate limiting, market management, and pipeline processing

config/config.dev.yaml

@@ -8,6 +8,21 @@ arbitrum:
   ws_endpoint: ""
   # Chain ID for Arbitrum (42161 for mainnet)
   chain_id: 42161
+  # Rate limiting configuration for RPC endpoint
+  rate_limit:
+    # Maximum requests per second (adjust based on your provider's limits)
+    requests_per_second: 5
+    # Maximum concurrent requests
+    max_concurrent: 3
+    # Burst size for rate limiting
+    burst: 10
+  # Fallback RPC endpoints
+  fallback_endpoints:
+    - url: "https://arbitrum-rpc.publicnode.com"
+      rate_limit:
+        requests_per_second: 3
+        max_concurrent: 2
+        burst: 5
 
 # Bot configuration
 bot:
@@ -19,6 +34,12 @@ bot:
   min_profit_threshold: 5.0
   # Gas price multiplier (for faster transactions)
   gas_price_multiplier: 1.2
+  # Maximum number of concurrent workers for processing
+  max_workers: 5
+  # Buffer size for channels
+  channel_buffer_size: 50
+  # Timeout for RPC calls in seconds
+  rpc_timeout: 30
 
 # Uniswap configuration
 uniswap:
@@ -31,6 +52,14 @@ uniswap:
     - 500    # 0.05%
     - 3000   # 0.3%
     - 10000  # 1%
+  # Cache configuration for pool data
+  cache:
+    # Enable or disable caching
+    enabled: true
+    # Cache expiration time in seconds
+    expiration: 300
+    # Maximum cache size
+    max_size: 1000
 
 # Logging configuration
 log:
@@ -44,4 +73,8 @@ log:
 # Database configuration
 database:
   # Database file path
-  file: "data/mev-bot.db"
+  file: "data/mev-bot.db"
+  # Maximum number of open connections
+  max_open_connections: 5
+  # Maximum number of idle connections
+  max_idle_connections: 2