code.vegaprotocol.io/vega@v0.79.0/datanode/gateway/graphql/volume_discount_stats_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/libs/num"
    24  	v2 "code.vegaprotocol.io/vega/protos/data-node/api/v2"
    25  )
    26  
    27  type volumeDiscountStatsResolver VegaResolverRoot
    28  
    29  // DiscountFactors implements VolumeDiscountStatsResolver.
    30  func (v *volumeDiscountStatsResolver) DiscountFactors(ctx context.Context, obj *v2.VolumeDiscountStats) (*DiscountFactors, error) {
    31  	infra, err := num.DecimalFromString(obj.DiscountFactors.InfrastructureDiscountFactor)
    32  	if err != nil {
    33  		return nil, err
    34  	}
    35  	maker, err := num.DecimalFromString(obj.DiscountFactors.MakerDiscountFactor)
    36  	if err != nil {
    37  		return nil, err
    38  	}
    39  	liq, err := num.DecimalFromString(obj.DiscountFactors.LiquidityDiscountFactor)
    40  	if err != nil {
    41  		return nil, err
    42  	}
    43  	return &DiscountFactors{
    44  		InfrastructureFactor: infra.String(),
    45  		MakerFactor:          maker.String(),
    46  		LiquidityFactor:      liq.String(),
    47  	}, nil
    48  }
    49  
    50  func (v *volumeDiscountStatsResolver) AtEpoch(_ context.Context, obj *v2.VolumeDiscountStats) (int, error) {
    51  	if obj.AtEpoch > math.MaxInt {
    52  		return 0, errors.New("at_epoch is too large")
    53  	}
    54  
    55  	return int(obj.AtEpoch), nil
    56  }