Merge pull request #707 from tellor-io/diva-usd-feed

added diva/usd feed (coingecko)

src/telliot_feeds/feeds/__init__.py

@@ -19,6 +19,7 @@
 from telliot_feeds.feeds.daily_volatility_manual_feed import daily_volatility_manual_feed
 from telliot_feeds.feeds.diva_feed import diva_example_feed
 from telliot_feeds.feeds.diva_feed import diva_manual_feed
+from telliot_feeds.feeds.diva_usd_feed import diva_usd_median_feed
 from telliot_feeds.feeds.doge_usd_feed import doge_usd_median_feed
 from telliot_feeds.feeds.dot_usd_feed import dot_usd_median_feed
 from telliot_feeds.feeds.eth_btc_feed import eth_btc_median_feed
@@ -158,6 +159,7 @@
     "oeth-eth-spot": oeth_eth_median_feed,
     "wld-usd-spot": wld_usd_median_feed,
     "sweth-usd-spot": sweth_usd_median_feed,
+    "diva-usd-spot": diva_usd_median_feed,
 }
 
 DATAFEED_BUILDER_MAPPING: Dict[str, DataFeed[Any]] = {

src/telliot_feeds/feeds/diva_usd_feed.py

@@ -0,0 +1,19 @@
+from telliot_feeds.datafeed import DataFeed
+from telliot_feeds.queries.price.spot_price import SpotPrice
+from telliot_feeds.sources.price.spot.coingecko import CoinGeckoSpotPriceSource
+from telliot_feeds.sources.price_aggregator import PriceAggregator
+
+# from telliot_feeds.sources.price.spot.uniswapV3 import UniswapV3PriceSource
+
+diva_usd_median_feed = DataFeed(
+    query=SpotPrice(asset="DIVA", currency="USD"),
+    source=PriceAggregator(
+        asset="diva",
+        currency="usd",
+        algorithm="median",
+        sources=[
+            CoinGeckoSpotPriceSource(asset="diva", currency="usd"),
+            # UniswapV3PriceSource(asset="diva", currency="usd"),
+        ],
+    ),
+)

src/telliot_feeds/queries/price/spot_price.py

@@ -67,6 +67,7 @@
     "OUSD/USD",
     "OETH/ETH",
     "WLD/USD",
+    "DIVA/USD",
 ]
 
 

src/telliot_feeds/queries/query_catalog.py

@@ -441,3 +441,9 @@
     title="SWETH/USD spot price",
     q=SpotPrice(asset="sweth", currency="usd"),
 )
+
+query_catalog.add_entry(
+    tag="diva-usd-spot",
+    title="diva/USD spot price",
+    q=SpotPrice(asset="diva", currency="usd"),
+)

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

@@ -58,6 +58,7 @@
     "ousd": "origin-dollar",
     "sweth": "sweth",
     "wld": "worldcoin",
+    "diva": "diva-protocol",
 }
 
 

tests/feeds/test_diva_usd_feed.py

@@ -0,0 +1,22 @@
+import statistics
+
+import pytest
+
+from telliot_feeds.feeds.diva_usd_feed import diva_usd_median_feed
+
+
+@pytest.mark.asyncio
+async def test_diva_usd_median_feed():
+    """Retrieve median DIVA/USD price."""
+    v, _ = await diva_usd_median_feed.source.fetch_new_datapoint()
+
+    assert v is not None
+    assert v > 0
+    print(f"DIVA/USD Price: {v}")
+
+    # Get list of data sources from sources dict
+    source_prices = [source.latest[0] for source in diva_usd_median_feed]
+    print(source_prices)
+
+    # Make sure error is less than decimal tolerance
+    assert (v - statistics.median(source_prices)) < 10**-6