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grpc_query.go
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/
grpc_query.go
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package client
import (
gocontext "context"
"fmt"
gogogrpc "github.com/gogo/protobuf/grpc"
"google.golang.org/grpc"
"google.golang.org/grpc/encoding"
"google.golang.org/grpc/encoding/proto"
"github.com/cosmos/cosmos-sdk/codec/types"
)
var _ gogogrpc.ClientConn = Context{}
var protoCodec = encoding.GetCodec(proto.Name)
// Invoke implements the grpc ClientConn.Invoke method
func (ctx Context) Invoke(_ gocontext.Context, method string, args, reply interface{}, _ ...grpc.CallOption) error {
reqBz, err := protoCodec.Marshal(args)
if err != nil {
return err
}
resBz, _, err := ctx.QueryWithData(method, reqBz)
if err != nil {
return err
}
err = protoCodec.Unmarshal(resBz, reply)
if err != nil {
return err
}
if ctx.InterfaceRegistry != nil {
return types.UnpackInterfaces(reply, ctx.InterfaceRegistry)
}
return nil
}
// NewStream implements the grpc ClientConn.NewStream method
func (Context) NewStream(gocontext.Context, *grpc.StreamDesc, string, ...grpc.CallOption) (grpc.ClientStream, error) {
return nil, fmt.Errorf("streaming rpc not supported")
}