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grpc_query_asset.go
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/
grpc_query_asset.go
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package keeper
import (
"context"
"fmt"
"github.com/jinxprotocol/v4-chain/protocol/x/assets/types"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
)
// TODO(CLOB-863) Add tests for these endpoints.
func (k Keeper) AllAssets(
c context.Context,
req *types.QueryAllAssetsRequest,
) (*types.QueryAllAssetsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
var assets []types.Asset
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
assetStore := prefix.NewStore(store, []byte(types.AssetKeyPrefix))
pageRes, err := query.Paginate(assetStore, req.Pagination, func(key []byte, value []byte) error {
var asset types.Asset
if err := k.cdc.Unmarshal(value, &asset); err != nil {
return err
}
assets = append(assets, asset)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryAllAssetsResponse{Asset: assets, Pagination: pageRes}, nil
}
func (k Keeper) Asset(c context.Context, req *types.QueryAssetRequest) (*types.QueryAssetResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
ctx := sdk.UnwrapSDKContext(c)
val, exists := k.GetAsset(
ctx,
req.Id,
)
if !exists {
return nil,
status.Error(
codes.NotFound,
fmt.Sprintf(
"Asset id %+v not found.",
req.Id,
),
)
}
return &types.QueryAssetResponse{Asset: val}, nil
}