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* Add serialization code for state diffs Adds serialization code for state diffs. Adds code to create and apply state diffs Adds fuzz tests and benchmarks for serialization/deserialization Co-authored-by: Claude <noreply@anthropic.com> * Add Fulu support * Review #1 * gazelle * Fix some fuzzers * Failing cases from the fuzzers in consensus-types/hdiff * Fix more fuzz tests 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com> * add comparison tests 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * Use ConvertToElectra in UpgradeToElectra * Add comments on constants * Fix readEth1Data * remove colons from error messages * Add design doc * Apply suggestions from code review Bast Co-authored-by: Bastin <43618253+Inspector-Butters@users.noreply.github.com> --------- Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: Preston Van Loon <preston@pvl.dev> Co-authored-by: Bastin <43618253+Inspector-Butters@users.noreply.github.com>
Adding a new field to the state
Note: Whenever only the name of a file is provided, it's assumed to be in the /beacon-chain/state/state-native package.
- Add a
BeaconState[Version]FieldCountconfiguration item to/config/params/config.goand set it in/config/params/mainnet_config.go. - Add the field to the
BeaconStatestruct inbeacon_state.go. Update the marshaling structs in the same file too. - Add the field's metadata to
/beacon-chain/state/state-native/types/types.go. - Add a getter and a setter for the field, either to existing
getter_XXX.go/setter_XXX.gofiles or create new ones if the field doesn't fit anywhere. Add the new getter and setter to/beacon-chain/state/interfaces.go. - Update state hashing in
hasher.go. - Update
ToProtoUnsafe()andToProto()functions and add a newProtobufBeaconState[Version]function, all ingetters_state.go. - If the field is a multi-value slice, update
multi_value_slices.go. - Update
spec_parameters.go. - Update
state_trie.go:- Add a
[version]Fieldsvariable that contains all fields of the new state version. - Add a
[version]SharedFieldRefCountconstant that represents the number of fields whose references are shared between states. Multi-value slice references are not shared in this way so don't include them. - Add the following functions:
InitializeFromProto[Version](),InitializeFromProtoUnsafe[Version](). - Update the following functions:
Copy(),initializeMerkleLayers(),RecordStateMetrics()(applies only to multi-value slice fields),rootSelector(),finalizerCleanup()(applies only to multi-value slice fields).
- Add a
- If the field is a slice, add it to the field map in
types.go. This only applies to large slices that need to be rehashed only in part. In particular, this mostly applies for arrays of objects, and not for arrays of basic SSZ types as these are not hashed by taking the root of each element. - If the field is a slice, update the
fieldConverters()function in/beacon-chain/state/fieldtrie/field_trie_helpers.go. The exact implementation will vary depending on a few factors (is the field similar to an existing one, is it a multi-value slice etc). This applies only for the slices as mentioned in the previous comment.