mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-26 05:17:22 +00:00
5569a68452
* Value assigned to a variable is never read before being overwritten * The result of append is not used anywhere * Suspicious assignment of range-loop vars detected * Unused method receiver detected * Revert "Auxiliary commit to revert individual files from 54edcb445484a2e5d79612e19af8e949b8861253" This reverts commit bbd1e1beabf7b0c5cfc4f514dcc820062ad6c063. * Method modifies receiver * Fix test * Duplicate imports detected * Incorrectly formatted error string * Types of function parameters can be combined * One more "Unused method receiver detected" * Unused parameter detected in function
77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
package kv
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import (
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"context"
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"errors"
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"reflect"
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fastssz "github.com/ferranbt/fastssz"
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"github.com/golang/snappy"
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ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
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"go.opencensus.io/trace"
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"google.golang.org/protobuf/proto"
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)
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func decode(ctx context.Context, data []byte, dst proto.Message) error {
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_, span := trace.StartSpan(ctx, "BeaconDB.decode")
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defer span.End()
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data, err := snappy.Decode(nil, data)
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if err != nil {
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return err
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}
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if isSSZStorageFormat(dst) {
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return dst.(fastssz.Unmarshaler).UnmarshalSSZ(data)
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}
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return proto.Unmarshal(data, dst)
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}
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func encode(ctx context.Context, msg proto.Message) ([]byte, error) {
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_, span := trace.StartSpan(ctx, "BeaconDB.encode")
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defer span.End()
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if msg == nil || reflect.ValueOf(msg).IsNil() {
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return nil, errors.New("cannot encode nil message")
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}
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var enc []byte
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var err error
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if isSSZStorageFormat(msg) {
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enc, err = msg.(fastssz.Marshaler).MarshalSSZ()
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if err != nil {
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return nil, err
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}
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} else {
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enc, err = proto.Marshal(msg)
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if err != nil {
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return nil, err
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}
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}
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return snappy.Encode(nil, enc), nil
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}
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// isSSZStorageFormat returns true if the object type should be saved in SSZ encoded format.
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func isSSZStorageFormat(obj interface{}) bool {
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switch obj.(type) {
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case *ethpb.BeaconState:
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return true
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case *ethpb.SignedBeaconBlock:
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return true
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case *ethpb.SignedAggregateAttestationAndProof:
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return true
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case *ethpb.BeaconBlock:
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return true
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case *ethpb.Attestation:
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return true
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case *ethpb.Deposit:
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return true
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case *ethpb.AttesterSlashing:
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return true
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case *ethpb.ProposerSlashing:
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return true
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case *ethpb.VoluntaryExit:
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return true
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default:
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return false
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}
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}
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