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grpc_query.go
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/
grpc_query.go
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package keeper
import (
"context"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/ixofoundation/ixo-blockchain/v3/x/iid/types"
)
var _ types.QueryServer = Querier{}
// Querier defines a wrapper around the x/iid keeper providing gRPC method
// handlers.
type Querier struct {
Keeper
}
func NewQuerier(k Keeper) Querier {
return Querier{Keeper: k}
}
// IidDocuments implements the DidDocuments gRPC method
func (q Querier) IidDocuments(
c context.Context,
req *types.QueryIidDocumentsRequest,
) (*types.QueryIidDocumentsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
ctx := sdk.UnwrapSDKContext(c)
var iidDocs []types.IidDocument
iidDocStore := prefix.NewStore(ctx.KVStore(q.Keeper.storeKey), types.DidDocumentKey)
pageRes, err := query.Paginate(iidDocStore, req.Pagination, func(key []byte, value []byte) error {
var iidDoc types.IidDocument
if err := q.Keeper.cdc.Unmarshal(value, &iidDoc); err != nil {
return err
}
iidDocs = append(iidDocs, iidDoc)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryIidDocumentsResponse{
IidDocuments: iidDocs,
Pagination: pageRes,
}, nil
}
// IidDocument implements the IidDocument gRPC method
func (q Querier) IidDocument(
c context.Context,
req *types.QueryIidDocumentRequest,
) (*types.QueryIidDocumentResponse, error) {
if req == nil || req.Id == "" {
return nil, status.Error(codes.InvalidArgument, "iid Doc id cannot be empty")
}
ctx := sdk.UnwrapSDKContext(c)
doc, err := q.Keeper.ResolveDid(ctx, types.DID(req.Id))
if err != nil {
return nil, status.Error(codes.NotFound, err.Error())
}
return &types.QueryIidDocumentResponse{
IidDocument: doc,
}, nil
}