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https://gitlab.com/pulsechaincom/prysm-pulse.git
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70380660b3
* generate SyncCommittee SSZ * refactor error handling * rewards: use http2.HandleError * add light client protobuf files * add light client helpers
52 lines
1.9 KiB
Go
52 lines
1.9 KiB
Go
package helpers
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import (
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"errors"
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"github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/lookup"
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"github.com/prysmaticlabs/prysm/v4/beacon-chain/state/stategen"
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"github.com/prysmaticlabs/prysm/v4/consensus-types/blocks"
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"github.com/prysmaticlabs/prysm/v4/consensus-types/interfaces"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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// PrepareStateFetchGRPCError returns an appropriate gRPC error based on the supplied argument.
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// The argument error should be a result of fetching state.
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func PrepareStateFetchGRPCError(err error) error {
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if errors.Is(err, stategen.ErrNoDataForSlot) {
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return status.Errorf(codes.NotFound, "lacking historical data needed to fulfill request")
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}
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if stateNotFoundErr, ok := err.(*lookup.StateNotFoundError); ok {
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return status.Errorf(codes.NotFound, "State not found: %v", stateNotFoundErr)
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}
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if parseErr, ok := err.(*lookup.StateIdParseError); ok {
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return status.Errorf(codes.InvalidArgument, "Invalid state ID: %v", parseErr)
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}
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return status.Errorf(codes.Internal, "Invalid state ID: %v", err)
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}
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// IndexedVerificationFailure represents a collection of verification failures.
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type IndexedVerificationFailure struct {
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Failures []*SingleIndexedVerificationFailure `json:"failures"`
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}
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// SingleIndexedVerificationFailure represents an issue when verifying a single indexed object e.g. an item in an array.
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type SingleIndexedVerificationFailure struct {
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Index int `json:"index"`
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Message string `json:"message"`
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}
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func HandleGetBlockError(blk interfaces.ReadOnlySignedBeaconBlock, err error) error {
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if invalidBlockIdErr, ok := err.(*lookup.BlockIdParseError); ok {
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return status.Errorf(codes.InvalidArgument, "Invalid block ID: %v", invalidBlockIdErr)
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}
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if err != nil {
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return status.Errorf(codes.Internal, "Could not get block from block ID: %v", err)
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}
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if err := blocks.BeaconBlockIsNil(blk); err != nil {
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return status.Errorf(codes.NotFound, "Could not find requested block: %v", err)
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}
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return nil
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}
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