cosmos-sdk/x/evidence/keeper/grpc_query.go

89 lines
2.3 KiB
Go

package keeper
import (
"context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/cosmos/cosmos-sdk/store/prefix"
"github.com/cosmos/cosmos-sdk/types/query"
proto "github.com/gogo/protobuf/proto"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/evidence/types"
)
var _ types.QueryServer = Keeper{}
// Evidence implements the Query/Evidence gRPC method
func (k Keeper) Evidence(c context.Context, req *types.QueryEvidenceRequest) (*types.QueryEvidenceResponse, error) {
if req == nil {
return nil, status.Errorf(codes.InvalidArgument, "empty request")
}
if req.EvidenceHash == nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid hash")
}
ctx := sdk.UnwrapSDKContext(c)
evidence, _ := k.GetEvidence(ctx, req.EvidenceHash)
if evidence == nil {
return nil, status.Errorf(codes.NotFound, "evidence %s not found", req.EvidenceHash)
}
msg, ok := evidence.(proto.Message)
if !ok {
return nil, status.Errorf(codes.Internal, "can't protomarshal %T", msg)
}
evidenceAny, err := codectypes.NewAnyWithValue(msg)
if err != nil {
return nil, status.Errorf(codes.Internal, err.Error())
}
return &types.QueryEvidenceResponse{Evidence: evidenceAny}, nil
}
// AllEvidence implements the Query/AllEvidence gRPC method
func (k Keeper) AllEvidence(c context.Context, req *types.QueryAllEvidenceRequest) (*types.QueryAllEvidenceResponse, error) {
if req == nil {
return nil, status.Errorf(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
k.GetAllEvidence(ctx)
var evidence []*codectypes.Any
store := ctx.KVStore(k.storeKey)
evidenceStore := prefix.NewStore(store, types.KeyPrefixEvidence)
pageRes, err := query.Paginate(evidenceStore, req.Pagination, func(key []byte, value []byte) error {
result, err := k.UnmarshalEvidence(value)
if err != nil {
return err
}
msg, ok := result.(proto.Message)
if !ok {
return status.Errorf(codes.Internal, "can't protomarshal %T", msg)
}
evidenceAny, err := codectypes.NewAnyWithValue(msg)
if err != nil {
return err
}
evidence = append(evidence, evidenceAny)
return nil
})
if err != nil {
return &types.QueryAllEvidenceResponse{}, err
}
return &types.QueryAllEvidenceResponse{Evidence: evidence, Pagination: pageRes}, nil
}