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Merged
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Aug 30, 2024
Merged

Switch to the Hermes v2 API #79

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12 changes: 6 additions & 6 deletions pyth_observer/crosschain.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,19 +32,19 @@ async def get_crosschain_prices(self) -> Dict[str, CrosschainPrice]:
async with ClientSession(
headers={"content-type": "application/json"}
) as session:
price_feed_ids_url = f"{self.url}/api/price_feed_ids"
price_feeds_index_url = f"{self.url}/v2/price_feeds"

async with session.get(price_feed_ids_url) as response:
price_feed_ids = await response.json()
async with session.get(price_feeds_index_url) as response:
price_feeds_index = await response.json()

price_feeds = []

for ids in chunked(price_feed_ids, 25):
price_feeds_url = f"{self.url}/api/latest_price_feeds"
for feeds in chunked(price_feeds_index, 25):
price_feeds_url = f"{self.url}/v2/updates/price/latest"

# aiohttp does not support encoding array params using PHP-style `ids=[]`
# naming, so we encode it manually and append to the URL.
query_string = "?" + "&".join(f"ids[]={v}" for v in ids)
query_string = "?" + "&".join(f"ids[]={v['id']}" for v in feeds)
async with session.get(
price_feeds_url + query_string,
) as response:
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