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rates: primary WOW-USD from prices.neroswap.com oracle

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The neroswap-wow-prices Worker this pointed at froze on 2026-07-28 and
has served price_usd=null since — invoices have been priced by the
direct nonlogs/cexswap fallbacks for three weeks. Point the primary at
the canonical hash-wallet-prices oracle (/v2/rates shape, legacy shape
still accepted via UNIFIED_WOW_URL override); fallback legs unchanged.
This commit is contained in:
jwinterm
2026-08-15 20:11:28 -04:00
parent 3181886b13
commit ad6121582e
1 changed files with 12 additions and 7 deletions
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api/app/rates.py
+11 -6
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@@ -15,10 +15,11 @@ import requests
NONLOGS_MARKETS_URL = "https://api.nonlogs.io/api/markets"
KRAKEN_TICKER_URL = "https://api.kraken.com/0/public/Ticker"
CEXSWAP_MARKETS_URL = "https://cexswap.cc/api/public/markets/summary"
# Unified neroswap price Worker: multi-exchange, volume-weighted, excludes a
# dead source (Nonlogs went down 2026-07 and hard-broke the single-source path).
# Canonical Such Software price oracle (hash-wallet-prices Worker): Nonlogs +
# volume-weighted CexSwap, averaged. Replaces the ad-hoc neroswap-wow-prices
# Worker, which froze on 2026-07-28 and has served price_usd=null since.
UNIFIED_WOW_URL = os.getenv(
"UNIFIED_WOW_URL", "https://neroswap-wow-prices.jw-e6d.workers.dev/price/wow"
"UNIFIED_WOW_URL", "https://prices.neroswap.com/v2/rates?base=WOW&quote=USD"
)
# Default to the unified feed; RATE_PROVIDER=nonlogs|cexswap forces a legacy
# single source first (debugging).
@@ -119,15 +120,19 @@ def _get_cexswap_usd() -> Decimal:
def _get_unified_usd() -> Decimal:
"""WOW-USD from the unified neroswap price Worker — multi-exchange,
volume-weighted, resilient to a dead source (the primary provider)."""
"""WOW-USD from the canonical oracle at prices.neroswap.com — Nonlogs plus
volume-weighted CexSwap, averaged, KV-cached each minute (the primary
provider). Accepts the legacy neroswap-wow-prices shape too so the
UNIFIED_WOW_URL env override keeps working either way."""
headers = {"Accept": "application/json", "User-Agent": "wowcheckout/1.0"}
resp = requests.get(UNIFIED_WOW_URL, headers=headers, timeout=6)
resp.raise_for_status()
data = resp.json()
price = data.get("results", {}).get("WOW_USD") if isinstance(data.get("results"), dict) else None
if price is None:
price = data.get("price_usd")
if price is None or Decimal(str(price)) <= 0:
# 206 / null = every feed stale; fall through to the direct providers.
# null / zero = oracle has nothing; fall through to the direct providers.
raise ValueError("unified price API returned no WOW-USD price")
return Decimal(str(price))