/
grpc_query_perpetual.go
73 lines (60 loc) · 1.76 KB
/
grpc_query_perpetual.go
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package keeper
import (
"context"
"errors"
"fmt"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
"github.com/dydxprotocol/v4-chain/protocol/x/perpetuals/types"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (k Keeper) AllPerpetuals(
c context.Context,
req *types.QueryAllPerpetualsRequest,
) (*types.QueryAllPerpetualsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
var perpetuals []types.Perpetual
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
perpetualStore := prefix.NewStore(store, []byte(types.PerpetualKeyPrefix))
pageRes, err := query.Paginate(perpetualStore, req.Pagination, func(key []byte, value []byte) error {
var perpetual types.Perpetual
if err := k.cdc.Unmarshal(value, &perpetual); err != nil {
return err
}
perpetuals = append(perpetuals, perpetual)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryAllPerpetualsResponse{Perpetual: perpetuals, Pagination: pageRes}, nil
}
func (k Keeper) Perpetual(c context.Context, req *types.QueryPerpetualRequest) (*types.QueryPerpetualResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
ctx := sdk.UnwrapSDKContext(c)
val, err := k.GetPerpetual(
ctx,
req.Id,
)
if err != nil {
if errors.Is(err, types.ErrPerpetualDoesNotExist) {
return nil,
status.Error(
codes.NotFound,
fmt.Sprintf(
"Perpetual id %+v not found.",
req.Id,
),
)
}
return nil, status.Error(codes.Internal, "internal error")
}
return &types.QueryPerpetualResponse{Perpetual: val}, nil
}