code.vegaprotocol.io/vega@v0.79.0/datanode/gateway/graphql/perpetual_data_resolver.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package gql
    17  
    18  import (
    19  	"context"
    20  	"errors"
    21  	"math"
    22  
    23  	"code.vegaprotocol.io/vega/datanode/vegatime"
    24  	"code.vegaprotocol.io/vega/protos/vega"
    25  	types "code.vegaprotocol.io/vega/protos/vega"
    26  )
    27  
    28  type perpetualDataResolver VegaResolverRoot
    29  
    30  func (p perpetualDataResolver) SeqNum(_ context.Context, obj *vega.PerpetualData) (int, error) {
    31  	if obj.SeqNum > math.MaxInt {
    32  		return 0, errors.New("funding period sequence number is too large")
    33  	}
    34  	return int(obj.SeqNum), nil
    35  }
    36  
    37  func (p perpetualDataResolver) InternalCompositePriceType(_ context.Context, obj *vega.PerpetualData) (CompositePriceType, error) {
    38  	if obj.InternalCompositePriceType == types.CompositePriceType_COMPOSITE_PRICE_TYPE_WEIGHTED {
    39  		return CompositePriceTypeCompositePriceTypeWeighted, nil
    40  	} else if obj.InternalCompositePriceType == types.CompositePriceType_COMPOSITE_PRICE_TYPE_MEDIAN {
    41  		return CompositePriceTypeCompositePriceTypeMedian, nil
    42  	} else {
    43  		return CompositePriceTypeCompositePriceTypeLastTrade, nil
    44  	}
    45  }
    46  
    47  func (p perpetualDataResolver) InternalCompositePrice(_ context.Context, obj *vega.PerpetualData) (string, error) {
    48  	return obj.InternalCompositePrice, nil
    49  }
    50  
    51  func (p perpetualDataResolver) NextInternalCompositePriceCalc(_ context.Context, obj *vega.PerpetualData) (string, error) {
    52  	return vegatime.Format(vegatime.UnixNano(obj.NextInternalCompositePriceCalc)), nil
    53  }