added new exchanges system

database/postgres/init/02-master-schema.sql

@@ -0,0 +1,63 @@
+-- Simple Master Schema for Symbol Resolution
+-- Connect to trading_bot database
+\c trading_bot;
+
+-- Exchanges Table
+CREATE TABLE IF NOT EXISTS exchanges (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    code VARCHAR(10) UNIQUE NOT NULL,           -- NASDAQ, NYSE, TSX, etc.
+    name VARCHAR(255) NOT NULL,                 -- Full exchange name
+    country CHAR(2) NOT NULL,                   -- US, CA, GB
+    currency CHAR(3) NOT NULL DEFAULT 'USD',    -- USD, CAD, GBP
+    is_active BOOLEAN DEFAULT true,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+
+-- Symbols Table
+CREATE TABLE IF NOT EXISTS symbols (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    symbol VARCHAR(20) NOT NULL,                -- AAPL, SHOP, etc.
+    exchange_id UUID REFERENCES exchanges(id),
+    company_name VARCHAR(255),
+    sector VARCHAR(100),
+    country CHAR(2),
+    currency CHAR(3),
+    is_active BOOLEAN DEFAULT true,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW(),
+    UNIQUE(symbol, exchange_id)
+);
+
+-- Provider Symbol Mappings (How each provider refers to our symbols)
+CREATE TABLE IF NOT EXISTS provider_mappings (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    symbol_id UUID REFERENCES symbols(id),
+    provider VARCHAR(50) NOT NULL,              -- 'qm', 'yahoo', 'ib', etc.
+    provider_symbol VARCHAR(100) NOT NULL,      -- How provider names it: "AAPL:NASDAQ", "SHOP.TO"
+    provider_exchange VARCHAR(50),              -- Provider's exchange code
+    confidence DECIMAL(3,2) DEFAULT 1.0,       -- 0.0 to 1.0 matching confidence
+    verified BOOLEAN DEFAULT false,             -- Manually verified flag
+    last_seen TIMESTAMP DEFAULT NOW(),
+    created_at TIMESTAMP DEFAULT NOW(),
+    UNIQUE(provider, provider_symbol)
+);
+
+-- Simple sync tracking table
+CREATE TABLE IF NOT EXISTS sync_status (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    provider VARCHAR(50) NOT NULL,
+    data_type VARCHAR(50) NOT NULL,             -- 'symbols', 'exchanges'
+    last_sync_at TIMESTAMP,
+    last_sync_count INTEGER DEFAULT 0,
+    sync_errors TEXT,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW(),
+    UNIQUE(provider, data_type)
+);
+
+-- Create basic indexes
+CREATE INDEX IF NOT EXISTS idx_symbols_symbol ON symbols(symbol);
+CREATE INDEX IF NOT EXISTS idx_symbols_exchange ON symbols(exchange_id);
+CREATE INDEX IF NOT EXISTS idx_provider_mappings_provider ON provider_mappings(provider, provider_symbol);
+CREATE INDEX IF NOT EXISTS idx_provider_mappings_symbol ON provider_mappings(symbol_id);