fix: Validate EIP-712 integer values fit declared bit width#194
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roninjin10 merged 1 commit intomainfrom Jan 4, 2026
Merged
fix: Validate EIP-712 integer values fit declared bit width#194roninjin10 merged 1 commit intomainfrom
roninjin10 merged 1 commit intomainfrom
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Fixes #65 EIP-712 encodeValue now validates that integer values fit within their declared bit width before encoding. Previously, a uint8 field with value 300 would silently encode incorrectly. - Added range validation for uint8-uint256 (0 to 2^N-1) - Added range validation for int8-int256 (-2^(N-1) to 2^(N-1)-1) - Added bit width validation (must be 8-256, multiple of 8) - Added 14 new tests for range validation edge cases 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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roninjin10
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Automated review summary for PR #194 — fix: Validate EIP-712 integer values fit declared bit width\n\nTouched areas: Domain | Files changed: 3 (+156/-0)\n\n- Tests: yes\n- Types & API: yes\n- Docs: ensure behavior is documented where user-facing.\n- Performance: consider micro-allocations in tight loops.\n\nOutcome: Comment-only review; no blocking issues spotted. Please consider the above suggestions.\n
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Summary
src/crypto/EIP712/encodeValue.jsandsrc/primitives/Domain/encodeValue.jsChanges
Test plan
🤖 Generated with Claude Code