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vote.go
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vote.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.DATANODE 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 sqlsubscribers
import (
"context"
"github.com/pkg/errors"
"code.vegaprotocol.io/vega/core/events"
"code.vegaprotocol.io/vega/datanode/entities"
"code.vegaprotocol.io/vega/protos/vega"
)
type VoteEvent interface {
events.Event
ProposalID() string
PartyID() string
Vote() vega.Vote
Value() vega.Vote_Value
}
type GovernanceService interface {
AddVote(context.Context, entities.Vote) error
}
type Vote struct {
subscriber
store GovernanceService
}
func NewVote(store GovernanceService) *Vote {
vs := &Vote{
store: store,
}
return vs
}
func (vs *Vote) Types() []events.Type {
return []events.Type{events.VoteEvent}
}
func (vs *Vote) Push(ctx context.Context, evt events.Event) error {
return vs.consume(ctx, evt.(VoteEvent))
}
func (vs *Vote) consume(ctx context.Context, event VoteEvent) error {
protoVote := event.Vote()
vote, err := entities.VoteFromProto(&protoVote, entities.TxHash(event.TxHash()))
// The timestamp provided on the vote proto object is from when the vote was first created.
// It doesn't change when the vote is updated (e.g. with TotalGovernanceTokenWeight et al when
// the proposal closes.)
vote.VegaTime = vs.vegaTime
if err != nil {
return errors.Wrap(err, "unable to parse vote")
}
return errors.Wrap(vs.store.AddVote(ctx, vote), "error adding vote:%w")
}