package util import ( "context" "strconv" grpctypes "github.com/cosmos/cosmos-sdk/types/grpc" "google.golang.org/grpc/metadata" "github.com/0glabs/0g-chain/app" "github.com/0glabs/0g-chain/app/params" query "github.com/0glabs/0g-chain/client/grpc/query" ) // Util contains utility functions for the Kava gRPC client type Util struct { query *query.QueryClient encodingConfig params.EncodingConfig } // NewUtil creates a new Util instance func NewUtil(query *query.QueryClient) *Util { return &Util{ query: query, encodingConfig: app.MakeEncodingConfig(), } } func (u *Util) CtxAtHeight(height int64) context.Context { heightStr := strconv.FormatInt(height, 10) return metadata.AppendToOutgoingContext(context.Background(), grpctypes.GRPCBlockHeightHeader, heightStr) }