Mixed-decimals math without explicit scaling
Hyperlane's assessment for RD-F-017 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
TokenRouter uses explicit scale numerator/denominator constructor parameters for decimal normalization across chains. Explicit scaling mechanism present. However, with 150+ chain deployments, misconfigured scale parameters could produce incorrect cross-chain amounts. Scaling mechanism exists but correct configuration depends on deploy-time parameters. Score: yellow.
Sources #
- GitHubTokenRouter.sol — scale parameters for decimal normalizationTokenRouter constructor with _scaleNumerator, _scaleDenominator params for decimal normalizationretrieved 2026-05-17
Methodology #
Determine whether shared numerator/denominator arithmetic operates over tokens with different decimals without WAD/RAY normalization or explicit decimal-adjustment.
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