From 1ed40ebbf7fafa92b6f98f97257f913ca91c3b10 Mon Sep 17 00:00:00 2001
From: Nelson Torres <nelson.torres.alvarado1@gmail.com>
Date: Mon, 4 Nov 2024 09:34:21 -0300
Subject: [PATCH] venues for deribit

---
 piker/brokers/deribit/venues.py | 119 ++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 piker/brokers/deribit/venues.py

diff --git a/piker/brokers/deribit/venues.py b/piker/brokers/deribit/venues.py
new file mode 100644
index 00000000..cb8f2b62
--- /dev/null
+++ b/piker/brokers/deribit/venues.py
@@ -0,0 +1,119 @@
+# piker: trading gear for hackers
+# Copyright (C) Tyler Goodlet (in stewardship for pikers)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+"""
+Per market data-type definitions and schemas types.
+
+"""
+from __future__ import annotations
+from typing import (
+    Literal,
+)
+from decimal import Decimal
+
+from msgspec import field
+
+from piker.types import Struct
+
+
+# API endpoint paths by venue / sub-API
+_domain: str = 'deribit.com'
+_url = f'https://www.{_domain}'
+
+# WEBsocketz
+_ws_url: str = f'wss://www.{_domain}/ws/api/v2'
+
+# test nets
+_testnet_ws_url: str = f'wss://test.{_domain}/ws/api/v2'
+
+MarketType = Literal[
+    'option'
+]
+
+
+def get_api_eps(venue: MarketType) -> tuple[str, str]:
+    '''
+    Return API ep root paths per venue.
+
+    '''
+    return {
+        'option': (
+            _ws_url,
+        ),
+    }[venue]
+
+
+class OptionPair(Struct, frozen=True, kw_only=True):
+
+    symbol: str
+    venue: str
+
+    # src
+    quote_currency: str
+
+    # dst
+    base_currency: str
+
+    tick_size: float # 0.0001
+    tick_size_steps: list[dict] # [{'above_price': 0.005, 'tick_size': 0.0005}]
+    taker_commission: float # 0.0003
+    strike: float # 5000.0
+    settlement_period: str # 'day'
+    settlement_currency: str # "BTC",
+    rfq: bool # false
+    quote_currency: str # 'BTC'
+    price_index: str # 'btc_usd'
+    option_type: str # 'call'
+    min_trade_amount: float # 0.1
+    maker_commission: float # 0.0003
+    kind: str # 'option'
+    is_active: bool # true
+    instrument_type: str # 'reversed'
+    instrument_name: str # 'BTC-1SEP24-55000-C'
+    instrument_id: int # 364671
+    expiration_timestamp: int # 1725177600000
+    creation_timestamp: int # 1724918461000
+    counter_currency: str # 'USD' 
+    contract_size: float # '1.0'
+    block_trade_tick_size: float # '0.0001'
+    block_trade_min_trade_amount: int # '25'
+    block_trade_commission: float # '0.003'
+
+
+    # NOTE: see `.data._symcache.SymbologyCache.load()` for why
+    ns_path: str = 'piker.brokers.deribit:OptionPair'
+
+    @property
+    def venue(self) -> str:
+        return 'OPTION'
+
+    @property
+    def bs_fqme(self) -> str:
+        return f'{self.symbol}.OPTION'
+
+    @property
+    def bs_src_asset(self) -> str:
+        return f'{self.quote_currency}'
+
+    @property
+    def bs_dst_asset(self) -> str:
+        return f'{self.base_currency}'
+    
+    @property
+    def bs_mktid(self) -> str:
+        return f'{self.symbol}.{self.venue}'
+
+