refactor(utils)!: rework price and size formatting#144
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- Replace the hand-rolled arbitrary-precision string math with `decimal.js` - Add `FormatError`, thrown by `formatPrice`/`formatSize` instead of `TypeError`/`RangeError` - Drop a ReDoS in the schema decimal normalizer BREAKING CHANGE: `formatPrice`/`formatSize` throw `FormatError` instead of `TypeError`/`RangeError` --- Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Reworks price and size formatting on
decimal.jsand unifies the thrown errors underFormatError.Breaking changes
formatPrice/formatSizethrowFormatErrorinstead ofTypeError/RangeError.New
decimal.jsis now a runtime dependency, confined to the@nktkas/hyperliquid/utilsentry.Fixes
formatPrice("100001.0", 0)→"100001"(was:"100000").formatPrice("1234567890123456789.0000000001", 0)→"1234567890123456789"(was:"1234500000000000000").numberinputs that stringify to exponential notation now format:formatPrice(1e-7, 0, "spot")→"0.0000001"(was:TypeError).Decimal/UnsignedDecimalschemas drop a ReDoS in decimal-string normalization.Type of change