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market_activity_tracker_checkpoint.go
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/
market_activity_tracker_checkpoint.go
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// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE.VEGA file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package common
import (
"context"
"sort"
checkpoint "code.vegaprotocol.io/vega/protos/vega/checkpoint/v1"
"code.vegaprotocol.io/vega/core/types"
"code.vegaprotocol.io/vega/libs/num"
"code.vegaprotocol.io/vega/libs/proto"
)
func (mat *MarketActivityTracker) Name() types.CheckpointName {
return types.MarketActivityTrackerCheckpoint
}
func (mat *MarketActivityTracker) Checkpoint() ([]byte, error) {
assets := make([]string, 0, len(mat.assetToMarketTrackers))
for k := range mat.assetToMarketTrackers {
assets = append(assets, k)
}
sort.Strings(assets)
marketTracker := []*checkpoint.MarketActivityTracker{}
for _, asset := range assets {
assetTrackers := mat.assetToMarketTrackers[asset]
markets := make([]string, 0, len(assetTrackers))
for k := range assetTrackers {
markets = append(markets, k)
}
sort.Strings(markets)
for _, market := range markets {
mt := assetTrackers[market]
marketTracker = append(marketTracker, mt.IntoProto(market))
}
}
msg := &checkpoint.MarketTracker{
MarketActivity: marketTracker,
TakerNotionalVolume: takerNotionalToProto(mat.partyTakerNotionalVolume),
}
ret, err := proto.Marshal(msg)
if err != nil {
return nil, err
}
return ret, nil
}
func (mat *MarketActivityTracker) Load(ctx context.Context, data []byte) error {
b := checkpoint.MarketTracker{}
if err := proto.Unmarshal(data, &b); err != nil {
return err
}
for _, data := range b.MarketActivity {
if _, ok := mat.assetToMarketTrackers[data.Asset]; !ok {
mat.assetToMarketTrackers[data.Asset] = map[string]*marketTracker{}
}
mat.assetToMarketTrackers[data.Asset][data.Market] = marketTrackerFromProto(data)
}
for _, tnv := range b.TakerNotionalVolume {
if len(tnv.Volume) > 0 {
mat.partyTakerNotionalVolume[tnv.Party] = num.UintFromBytes(tnv.Volume)
}
}
return nil
}