* fix(binance): support CRYPTO: prefix and USD stablecoins
Holdings processors (CoinStats, Coinbase, Kraken, SimpleFIN, Lunchflow,
Binance) store crypto securities with a "CRYPTO:" prefix, but
Provider::BinancePublic#parse_ticker only accepted Binance-search-style
tickers like "BTCUSD". As a result, every fetched price for tickers
like CRYPTO:USDT, CRYPTO:USDC, CRYPTO:SOL, CRYPTO:TRUMP, CRYPTO:KAITO
failed with "Unsupported Binance ticker".
- Strip the CRYPTO: prefix in parse_ticker.
- Short-circuit USD-pegged stablecoins (USDT, USDC, BUSD, DAI, FDUSD,
TUSD, USDP, PYUSD) to a synthetic flat 1.0 USD price. Binance has no
self-pair (USDTUSDT is invalid), and the few stablecoin/USDT pairs
that do exist hover at ~1.0 with sub-cent noise.
- Default prefixed bare base assets (CRYPTO:SOL etc.) to the …USDT
pair (USD). Only when prefixed, so unprefixed garbage like BTCBNB /
BTCGBP still returns nil and the existing rejection tests still pass.
- fetch_security_info returns links: nil for stablecoins rather than a
broken /trade/ URL.
Closes#1441.
* fix(binance): strip CRYPTO: prefix in search_securities
Security::Resolver calls search_provider with the raw holdings-processor
symbol (CRYPTO:SOL, CRYPTO:USDT) before any price fetch. Without prefix
handling here, first-time crypto imports never resolve to an online
Binance security and the new stablecoin/prefix paths in parse_ticker
were unreachable for that flow.
- Strip CRYPTO: from the search query.
- Short-circuit USD stablecoins to a synthetic search result (no
exchangeInfo call, no Binance self-pair to find).
- Teach parse_ticker the "{stablecoin}USD" form produced by the
synthetic result so price fetches route to stablecoin_prices.
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Co-authored-by: plind-junior <plind-junior@users.noreply.github.com>
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