insert into instruments (
    venue_id,
    symbol,
    asset_class,
    base_asset,
    quote_asset,
    price_scale,
    qty_scale,
    tick_size,
    lot_size,
    active,
    meta
)
select
    v.id,
    'BTC-USDT',
    'crypto',
    'BTC',
    'USDT',
    2,
    6,
    0.01,
    0.000001,
    true,
    jsonb_build_object('raw_inst_id', 'BTC-USDT-SWAP', 'product_type', 'swap')
from venues v
where v.code = 'OKX'
on conflict (venue_id, symbol) do nothing;

insert into instruments (
    venue_id,
    symbol,
    asset_class,
    base_asset,
    quote_asset,
    price_scale,
    qty_scale,
    tick_size,
    lot_size,
    active,
    meta
)
select
    v.id,
    'ETH-USDT',
    'crypto',
    'ETH',
    'USDT',
    2,
    6,
    0.01,
    0.000001,
    true,
    jsonb_build_object('raw_inst_id', 'ETH-USDT-SWAP', 'product_type', 'swap')
from venues v
where v.code = 'OKX'
on conflict (venue_id, symbol) do nothing;