Use our struct for kraken `Pair` type
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					@ -31,7 +31,6 @@ import time
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from fuzzywuzzy import process as fuzzy
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					from fuzzywuzzy import process as fuzzy
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import numpy as np
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					import numpy as np
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import pendulum
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					import pendulum
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from pydantic import BaseModel
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from trio_typing import TaskStatus
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					from trio_typing import TaskStatus
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import tractor
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					import tractor
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import trio
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					import trio
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					@ -45,6 +44,7 @@ from piker.brokers._util import (
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)
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					)
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from piker.log import get_console_log
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					from piker.log import get_console_log
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from piker.data import ShmArray
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					from piker.data import ShmArray
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					from piker.data.types import Struct
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from piker.data._web_bs import open_autorecon_ws, NoBsWs
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					from piker.data._web_bs import open_autorecon_ws, NoBsWs
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from . import log
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					from . import log
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from .api import (
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					from .api import (
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					@ -54,7 +54,7 @@ from .api import (
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# https://www.kraken.com/features/api#get-tradable-pairs
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					# https://www.kraken.com/features/api#get-tradable-pairs
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class Pair(BaseModel):
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					class Pair(Struct):
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    altname: str  # alternate pair name
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					    altname: str  # alternate pair name
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    wsname: str  # WebSocket pair name (if available)
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					    wsname: str  # WebSocket pair name (if available)
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    aclass_base: str  # asset class of base component
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					    aclass_base: str  # asset class of base component
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					@ -347,7 +347,7 @@ async def stream_quotes(
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            sym = sym.upper()
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					            sym = sym.upper()
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            si = Pair(**await client.symbol_info(sym))  # validation
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					            si = Pair(**await client.symbol_info(sym))  # validation
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            syminfo = si.dict()
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					            syminfo = si.to_dict()
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            syminfo['price_tick_size'] = 1 / 10**si.pair_decimals
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					            syminfo['price_tick_size'] = 1 / 10**si.pair_decimals
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            syminfo['lot_tick_size'] = 1 / 10**si.lot_decimals
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					            syminfo['lot_tick_size'] = 1 / 10**si.lot_decimals
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            syminfo['asset_type'] = 'crypto'
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					            syminfo['asset_type'] = 'crypto'
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