feat: add testnet token decimals and fix needsWethWrap flow logic#15
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feat: add testnet token decimals and fix needsWethWrap flow logic#15
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Add chain-specific token decimal overrides and disambiguate the
needsWethWrap function by requiring a flow parameter.
- Add tokenDecimals field to SignetSystemConstants for testnet overrides
- Add WUSD: 18 override to PARMIGIANA (mainnet uses 6)
- Add getTokenDecimals(symbol, config?) helper function
- Add Flow type ("passage" | "orders") to distinguish entry mechanisms
- Update needsWethWrap to require flow parameter (breaking change)
- Add RPC Patterns documentation section to README
Closes #11
Closes #14
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
tokenDecimalsfield toSignetSystemConstantsfor chain-specific decimal overridesgetTokenDecimals(symbol, config?)helper that respects testnet overridesFlowtype ("passage"|"orders") to distinguish entry mechanismsneedsWethWrap(symbol, direction, flow)to require flow parameterDetails
Issue #11: Testnet token decimals
PARMIGIANA uses 18 decimals for WUSD instead of mainnet's 6. The new
tokenDecimalsfield on chain configs allows per-chain overrides, andgetTokenDecimals()provides a convenient lookup.Issue #14: needsWethWrap logic
The function was ambiguous because it conflated two entry mechanisms:
enter()accepts native ETH directly - no wrap neededThe new
flowparameter makes this explicit.Test plan
pnpm typecheckpassespnpm test:runpasses (192 tests)pnpm lintpassespnpm formatpassesgetTokenDecimalsand updatedneedsWethWraptestsCloses #11
Closes #14
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