"""Initial migration Revision ID: 01_initial_migration Revises: Create Date: 2025-05-14 """ from typing import Sequence, Union from alembic import op import sqlalchemy as sa # revision identifiers, used by Alembic. revision: str = '01_initial_migration' down_revision: Union[str, None] = None branch_labels: Union[str, Sequence[str], None] = None depends_on: Union[str, Sequence[str], None] = None def upgrade() -> None: # Create Asset table op.create_table( 'assets', sa.Column('id', sa.String(), nullable=False), sa.Column('rank', sa.Integer(), nullable=True), sa.Column('symbol', sa.String(), nullable=True), sa.Column('name', sa.String(), nullable=True), sa.Column('supply', sa.Float(), nullable=True), sa.Column('max_supply', sa.Float(), nullable=True), sa.Column('market_cap_usd', sa.Float(), nullable=True), sa.Column('volume_usd_24hr', sa.Float(), nullable=True), sa.Column('price_usd', sa.Float(), nullable=True), sa.Column('change_percent_24hr', sa.Float(), nullable=True), sa.Column('vwap_24hr', sa.Float(), nullable=True), sa.Column('explorer', sa.String(), nullable=True), sa.Column('last_updated', sa.DateTime(), nullable=True), sa.PrimaryKeyConstraint('id') ) op.create_index(op.f('ix_assets_id'), 'assets', ['id'], unique=False) op.create_index(op.f('ix_assets_name'), 'assets', ['name'], unique=False) op.create_index(op.f('ix_assets_symbol'), 'assets', ['symbol'], unique=False) # Create AssetPriceHistory table op.create_table( 'asset_price_history', sa.Column('id', sa.Integer(), nullable=False), sa.Column('asset_id', sa.String(), nullable=True), sa.Column('price_usd', sa.Float(), nullable=True), sa.Column('timestamp', sa.DateTime(), nullable=True), sa.ForeignKeyConstraint(['asset_id'], ['assets.id'], ondelete='CASCADE'), sa.PrimaryKeyConstraint('id') ) op.create_index(op.f('ix_asset_price_history_asset_id'), 'asset_price_history', ['asset_id'], unique=False) op.create_index(op.f('ix_asset_price_history_id'), 'asset_price_history', ['id'], unique=False) op.create_index(op.f('ix_asset_price_history_timestamp'), 'asset_price_history', ['timestamp'], unique=False) # Create Exchange table op.create_table( 'exchanges', sa.Column('exchange_id', sa.String(), nullable=False), sa.Column('name', sa.String(), nullable=True), sa.Column('rank', sa.Integer(), nullable=True), sa.Column('percent_total_volume', sa.Float(), nullable=True), sa.Column('volume_usd', sa.Float(), nullable=True), sa.Column('trading_pairs', sa.Integer(), nullable=True), sa.Column('socket', sa.Boolean(), nullable=True), sa.Column('exchange_url', sa.String(), nullable=True), sa.Column('updated_timestamp', sa.Integer(), nullable=True), sa.Column('last_updated', sa.DateTime(), nullable=True), sa.PrimaryKeyConstraint('exchange_id') ) op.create_index(op.f('ix_exchanges_exchange_id'), 'exchanges', ['exchange_id'], unique=False) op.create_index(op.f('ix_exchanges_name'), 'exchanges', ['name'], unique=False) # Create Market table op.create_table( 'markets', sa.Column('id', sa.Integer(), autoincrement=True, nullable=False), sa.Column('exchange_id', sa.String(), nullable=True), sa.Column('rank', sa.Integer(), nullable=True), sa.Column('base_symbol', sa.String(), nullable=True), sa.Column('base_id', sa.String(), nullable=True), sa.Column('quote_symbol', sa.String(), nullable=True), sa.Column('quote_id', sa.String(), nullable=True), sa.Column('price_quote', sa.Float(), nullable=True), sa.Column('price_usd', sa.Float(), nullable=True), sa.Column('volume_usd_24hr', sa.Float(), nullable=True), sa.Column('percent_exchange_volume', sa.Float(), nullable=True), sa.Column('trades_count_24hr', sa.Integer(), nullable=True), sa.Column('updated_timestamp', sa.Integer(), nullable=True), sa.Column('last_updated', sa.DateTime(), nullable=True), sa.PrimaryKeyConstraint('id') ) op.create_index(op.f('ix_markets_base_id'), 'markets', ['base_id'], unique=False) op.create_index(op.f('ix_markets_base_symbol'), 'markets', ['base_symbol'], unique=False) op.create_index(op.f('ix_markets_exchange_id'), 'markets', ['exchange_id'], unique=False) op.create_index(op.f('ix_markets_quote_id'), 'markets', ['quote_id'], unique=False) op.create_index(op.f('ix_markets_quote_symbol'), 'markets', ['quote_symbol'], unique=False) # Create Rate table op.create_table( 'rates', sa.Column('id', sa.String(), nullable=False), sa.Column('symbol', sa.String(), nullable=True), sa.Column('currency_symbol', sa.String(), nullable=True), sa.Column('type', sa.String(), nullable=True), sa.Column('rate_usd', sa.Float(), nullable=True), sa.Column('last_updated', sa.DateTime(), nullable=True), sa.PrimaryKeyConstraint('id') ) op.create_index(op.f('ix_rates_id'), 'rates', ['id'], unique=False) op.create_index(op.f('ix_rates_symbol'), 'rates', ['symbol'], unique=False) def downgrade() -> None: op.drop_index(op.f('ix_rates_symbol'), table_name='rates') op.drop_index(op.f('ix_rates_id'), table_name='rates') op.drop_table('rates') op.drop_index(op.f('ix_markets_quote_symbol'), table_name='markets') op.drop_index(op.f('ix_markets_quote_id'), table_name='markets') op.drop_index(op.f('ix_markets_exchange_id'), table_name='markets') op.drop_index(op.f('ix_markets_base_symbol'), table_name='markets') op.drop_index(op.f('ix_markets_base_id'), table_name='markets') op.drop_table('markets') op.drop_index(op.f('ix_exchanges_name'), table_name='exchanges') op.drop_index(op.f('ix_exchanges_exchange_id'), table_name='exchanges') op.drop_table('exchanges') op.drop_index(op.f('ix_asset_price_history_timestamp'), table_name='asset_price_history') op.drop_index(op.f('ix_asset_price_history_id'), table_name='asset_price_history') op.drop_index(op.f('ix_asset_price_history_asset_id'), table_name='asset_price_history') op.drop_table('asset_price_history') op.drop_index(op.f('ix_assets_symbol'), table_name='assets') op.drop_index(op.f('ix_assets_name'), table_name='assets') op.drop_index(op.f('ix_assets_id'), table_name='assets') op.drop_table('assets')