Module diff 

Snapshot diff

Off-chain symmetric of hopper-core::diff. Given the raw before and after blobs of a Hopper account, this module produces a structured field-level diff using the layout manifest.

Indexers care about this because receipts only tell them which fields changed by index. This module answers what they changed to.

Structs

FieldDelta

One field’s before/after value, as raw bytes.

Enums

DiffError

Error surface for diff operations.

Functions

field_change_mask

Bitmask version. same scan but returns a u64 whose ith bit is set when the ith field differs. Useful when comparing to the changed_fields mask from a receipt.

fixed_size_diff

Compute a fixed-size diff (no resize). Returns a list of FieldDeltas . one per changed field.