[pepebndc]

Part 10 of 13 of the math library migration from midnight-apps contracts/src/math. Refs #213.

Stack: #1125 → #1126 → #1127 → #1128 → #1140 → #1141 → #1142 → #1143 → #1144 → #1145 → #1146 → #1147 → #1148. Merge in order.

Summary

Utils.UINT128_MAX was a stand-in until a math module had the constant. It is now deprecated in favor of Uint128.MAX_UINT128, which returns the same value and type. Doc comment only: the circuit and its callers in token and multisig do not change.

Changes

• The @deprecated note, the CHANGELOG line under Deprecated and the guide mentions (478abbc0).

Validation

• 974 math tests pass. The full suite passes: 3,170 passed, 48 skipped.
• The utils circuits are identical to docs: add the math library to the changelog and README (9/13) #1144, and so are the 98 math circuits.
• Real proofs: the math circuits are identical to docs: add the math library to the changelog and README (9/13) #1144, where 443 tests pass with real proofs. The utils circuits do not change.

Types of changes

• Bugfix
• New feature
• Breaking change
• Documentation update

PR Checklist

• I have read the Contributing Guide
• I have added tests that prove my fix is effective or that my feature works
• I have added documentation for new methods or changes to existing method behavior
• CI Workflows Are Passing

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