crossover

backend-go/infra/migrations/001_add_user_id.sql

@@ -0,0 +1,16 @@
+
+ALTER TABLE addresses 
+ADD COLUMN user_id VARCHAR(128);
+
+UPDATE addresses 
+SET user_id = 'legacy_user' 
+WHERE user_id IS NULL;
+
+ALTER TABLE addresses 
+ALTER COLUMN user_id SET NOT NULL;
+
+CREATE INDEX idx_addresses_user_id ON addresses(user_id);
+
+ALTER TABLE addresses DROP CONSTRAINT IF EXISTS addresses_address_key;
+
+ALTER TABLE addresses ADD CONSTRAINT addresses_user_address_unique UNIQUE (user_id, address);

backend-go/infra/migrations/002_add_notification_config.sql

@@ -0,0 +1,13 @@
+
+CREATE TABLE user_notification_configs (
+  user_id VARCHAR(128) PRIMARY KEY,
+  discord_webhook_url TEXT,
+  telegram_chat_id VARCHAR(128),
+  telegram_bot_token VARCHAR(255),
+  email VARCHAR(255),
+  notification_enabled BOOLEAN DEFAULT TRUE,
+  created_at TIMESTAMP DEFAULT NOW(),
+  updated_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE INDEX idx_notification_configs_enabled ON user_notification_configs(notification_enabled);

backend-go/infra/schema.sql

@@ -0,0 +1,71 @@
+
+DROP TABLE IF EXISTS alert_events CASCADE;
+DROP TABLE IF EXISTS alert_rules CASCADE;
+DROP TABLE IF EXISTS address_checkpoints CASCADE;
+DROP TABLE IF EXISTS user_notification_configs CASCADE;
+DROP TABLE IF EXISTS addresses CASCADE;
+
+CREATE TABLE addresses (
+  id SERIAL PRIMARY KEY,
+  user_id VARCHAR(128) NOT NULL,       -- Firebase user ID (multi-user support)
+  address VARCHAR(42) NOT NULL,        -- Ethereum address format (0x + 40 hex chars)
+  label VARCHAR(255),                  -- Optional human-readable label
+  created_at TIMESTAMP DEFAULT NOW(),
+  
+  -- Unique users can track the same address independently
+  UNIQUE(user_id, address)
+);
+
+
+CREATE TABLE alert_rules (
+  id SERIAL PRIMARY KEY,
+  address_id INTEGER NOT NULL REFERENCES addresses(id) ON DELETE CASCADE,
+  type VARCHAR(50) NOT NULL,           -- 'incoming_tx', 'outgoing_tx', 'large_transfer', 'balance_below'
+  threshold DECIMAL(20, 6),            -- ETH amount threshold (nullable for tx types that don't need it)
+  enabled BOOLEAN DEFAULT TRUE,
+  created_at TIMESTAMP DEFAULT NOW(),
+
+  CONSTRAINT valid_alert_type CHECK (
+    type IN ('incoming_tx', 'outgoing_tx', 'large_transfer', 'balance_below')
+  ),
+
+  CONSTRAINT positive_threshold CHECK (
+    threshold IS NULL OR threshold > 0
+  )
+);
+
+
+CREATE TABLE alert_events (
+  id SERIAL PRIMARY KEY,
+  alert_rule_id INTEGER NOT NULL REFERENCES alert_rules(id) ON DELETE CASCADE,
+  message TEXT NOT NULL,               -- Human-readable alert message
+  address_label VARCHAR(255),          -- Denormalized for display (avoids joins)
+  tx_hash VARCHAR(66),                 -- Transaction hash that triggered alert (nullable for balance_below)
+  timestamp TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE address_checkpoints (
+  address_id INTEGER PRIMARY KEY REFERENCES addresses(id) ON DELETE CASCADE,
+  last_checked_block INTEGER NOT NULL, -- Last block number that was checked for this address
+  last_checked_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE user_notification_configs (
+  user_id VARCHAR(128) PRIMARY KEY,
+  discord_webhook_url TEXT,            -- Discord webhook URL (nullable)
+  telegram_chat_id VARCHAR(128),       -- Telegram chat ID (nullable)
+  telegram_bot_token VARCHAR(255),     -- Telegram bot token (nullable, future use)
+  email VARCHAR(255),                  -- Email for notifications (nullable)
+  notification_enabled BOOLEAN DEFAULT TRUE,  -- Master on/off switch
+  created_at TIMESTAMP DEFAULT NOW(),
+  updated_at TIMESTAMP DEFAULT NOW()
+);
+
+-- Create indexes for common queries
+CREATE INDEX idx_addresses_user_id ON addresses(user_id);
+CREATE INDEX idx_alert_rules_address_id ON alert_rules(address_id);
+CREATE INDEX idx_alert_rules_enabled ON alert_rules(enabled);
+CREATE INDEX idx_alert_events_timestamp ON alert_events(timestamp DESC);
+CREATE INDEX idx_alert_events_alert_rule_id ON alert_events(alert_rule_id);
+CREATE INDEX idx_address_checkpoints_last_checked_at ON address_checkpoints(last_checked_at);
+CREATE INDEX idx_notification_configs_enabled ON user_notification_configs(notification_enabled);