add lsk/usd feed

src/telliot_feeds/feeds/__init__.py

@@ -57,6 +57,7 @@
 from telliot_feeds.feeds.landx_feed import wheat
 from telliot_feeds.feeds.leth_usd_feed import leth_usd_feed
 from telliot_feeds.feeds.link_usd_feed import link_usd_median_feed
+from telliot_feeds.feeds.lsk_usd_feed import lsk_usd_median_feed
 from telliot_feeds.feeds.ltc_usd_feed import ltc_usd_median_feed
 from telliot_feeds.feeds.matic_usd_feed import matic_usd_median_feed
 from telliot_feeds.feeds.meth_usd_feed import meth_usd_median_feed
@@ -232,6 +233,7 @@
     "pufeth-usd-spot": pufeth_usd_median_feed,
     "stone-usd-spot": stone_usd_median_feed,
     "superoethb-eth-spot": superoethb_eth_median_feed,
+    "lsk-usd-spot": lsk_usd_median_feed,
 }
 
 DATAFEED_BUILDER_MAPPING: Dict[str, DataFeed[Any]] = {

src/telliot_feeds/feeds/lsk_usd_feed.py

@@ -0,0 +1,20 @@
+from telliot_feeds.datafeed import DataFeed
+from telliot_feeds.queries.price.spot_price import SpotPrice
+from telliot_feeds.sources.price.spot.okx import OKXSpotPriceSource
+from telliot_feeds.sources.price.spot.kraken import KrakenSpotPriceSource
+from telliot_feeds.sources.price.spot.uniswapV3 import UniswapV3PriceSource
+from telliot_feeds.sources.price_aggregator import PriceAggregator
+
+lsk_usd_median_feed = DataFeed(
+    query=SpotPrice(asset="LSK", currency="USD"),
+    source=PriceAggregator(
+        asset="lsk",
+        currency="usd",
+        algorithm="median",
+        sources=[
+            OKXSpotPriceSource(asset="lsk", currency="usdt"),
+            KrakenSpotPriceSource(asset="lsk", currency="usd"),
+            UniswapV3PriceSource(asset="lsk", currency="usd")
+        ],
+    ),
+)

src/telliot_feeds/queries/price/spot_price.py

@@ -100,6 +100,7 @@
     "PUFETH/USD",
     "STONE/USD",
     "SUPEROETHB/ETH",
+    "LSK/USD",
 ]
 
 

src/telliot_feeds/queries/query_catalog.py

@@ -662,3 +662,9 @@
     title="superOETHb/ETH spot price",
     q=SpotPrice(asset="superoethb", currency="eth"),
 )
+
+query_catalog.add_entry(
+    tag="lsk-usd-spot",
+    title="LSK/USD spot price",
+    q=SpotPrice(asset="lsk", currency="usd"),
+)

src/telliot_feeds/sources/price/spot/kraken.py

@@ -32,6 +32,7 @@
     "FIL",
     "LINK",
     "PYTH",
+    "LSK",
 }
 KRAKEN_CURRENCIES = {"USD"}
 

src/telliot_feeds/sources/price/spot/uniswapV3.py

@@ -36,6 +36,7 @@
     "pufeth": "0xd9a442856c234a39a81a089c06451ebaa4306a72",
     "eul": "0xd9fcd98c322942075a5c3860693e9f4f03aae07b",
     "rai": "0x03ab458634910aad20ef5f1c8ee96f1d6ac54919",
+    "lsk": "0x6033f7f88332b8db6ad452b7c6d5bb643990ae3f",
 }
 
 API_KEY = TelliotConfig().api_keys.find(name="thegraph")[0].key

tests/feeds/test_lsk_usd_feed.py

@@ -0,0 +1,23 @@
+import statistics
+
+import pytest
+
+from telliot_feeds.feeds.lsk_usd_feed import lsk_usd_median_feed
+
+
+@pytest.mark.asyncio
+async def test_lsk_usd_median_feed(caplog):
+    """Retrieve median lsk/usd price."""
+    v, _ = await lsk_usd_median_feed.source.fetch_new_datapoint()
+
+    assert v is not None
+    assert v > 0
+    assert "sources used in aggregate: 3" in caplog.text.lower()
+    print(f"lsk/usd Price: {v}")
+
+    # Get list of data sources from sources dict
+    source_prices = [source.latest[0] for source in lsk_usd_median_feed.source.sources]
+    print(source_prices)
+
+    # Make sure error is less than decimal tolerance
+    assert (v - statistics.median(source_prices)) < 10**-6