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Use a Validator Reader When Computing Unrealized Balances (#13656)
* employ a val reader to prevent constant copies * clean it up and fix tests * gaz * radek's review --------- Co-authored-by: Radosław Kapka <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package stateutil | ||
|
|
||
| import ( | ||
| multi_value_slice "github.com/prysmaticlabs/prysm/v5/container/multi-value-slice" | ||
| ethpb "github.com/prysmaticlabs/prysm/v5/proto/prysm/v1alpha1" | ||
| ) | ||
|
|
||
| // ValReader specifies an interface through which we can access the validator registry. | ||
| type ValReader interface { | ||
| Len() int | ||
| At(i int) (*ethpb.Validator, error) | ||
| } | ||
|
|
||
| // ValSliceReader describes a struct that conforms to the ValReader interface | ||
| type ValSliceReader struct { | ||
| Validators []*ethpb.Validator | ||
| } | ||
|
|
||
| // NewValSliceReader constructs a ValSliceReader object. | ||
| func NewValSliceReader(vals []*ethpb.Validator) ValSliceReader { | ||
| return ValSliceReader{Validators: vals} | ||
| } | ||
|
|
||
| // Len is the length of the validator registry. | ||
| func (v ValSliceReader) Len() int { | ||
| return len(v.Validators) | ||
| } | ||
|
|
||
| // At returns the validator at the provided index. | ||
| func (v ValSliceReader) At(i int) (*ethpb.Validator, error) { | ||
| return v.Validators[i], nil | ||
| } | ||
|
|
||
| // ValMultiValueSliceReader describes a struct that conforms to the ValReader interface. | ||
| // This struct is specifically designed for accessing validator data from a | ||
| // multivalue slice. | ||
| type ValMultiValueSliceReader struct { | ||
| ValMVSlice *multi_value_slice.Slice[*ethpb.Validator] | ||
| Identifier multi_value_slice.Identifiable | ||
| } | ||
|
|
||
| // NewValMultiValueSliceReader constructs a new val reader object. | ||
| func NewValMultiValueSliceReader(valSlice *multi_value_slice.Slice[*ethpb.Validator], | ||
| identifier multi_value_slice.Identifiable) ValMultiValueSliceReader { | ||
| return ValMultiValueSliceReader{ | ||
| ValMVSlice: valSlice, | ||
| Identifier: identifier, | ||
| } | ||
| } | ||
|
|
||
| // Len is the length of the validator registry. | ||
| func (v ValMultiValueSliceReader) Len() int { | ||
| return v.ValMVSlice.Len(v.Identifier) | ||
| } | ||
|
|
||
| // At returns the validator at the provided index. | ||
| func (v ValMultiValueSliceReader) At(i int) (*ethpb.Validator, error) { | ||
| return v.ValMVSlice.At(v.Identifier, uint64(i)) | ||
| } |