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governance.go
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governance.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 service
import (
"context"
"code.vegaprotocol.io/vega/datanode/entities"
"code.vegaprotocol.io/vega/datanode/utils"
"code.vegaprotocol.io/vega/logging"
)
type ProposalStore interface {
Add(ctx context.Context, p entities.Proposal) error
GetByID(ctx context.Context, id string) (entities.Proposal, error)
GetByReference(ctx context.Context, ref string) (entities.Proposal, error)
Get(ctx context.Context, inState *entities.ProposalState, partyIDStr *string, proposalType *entities.ProposalType,
pagination entities.CursorPagination) ([]entities.Proposal, entities.PageInfo, error)
}
type VoteStore interface {
Add(ctx context.Context, v entities.Vote) error
GetYesVotesForProposal(ctx context.Context, proposalIDStr string) ([]entities.Vote, error)
GetNoVotesForProposal(ctx context.Context, proposalIDStr string) ([]entities.Vote, error)
GetByParty(ctx context.Context, partyIDStr string) ([]entities.Vote, error)
GetByPartyConnection(ctx context.Context, partyIDStr string, pagination entities.CursorPagination) ([]entities.Vote, entities.PageInfo, error)
Get(ctx context.Context, proposalID, partyID *string, value *entities.VoteValue) ([]entities.Vote, error)
GetConnection(
ctx context.Context,
proposalIDStr, partyIDStr *string,
pagination entities.CursorPagination,
) ([]entities.Vote, entities.PageInfo, error)
}
type Governance struct {
pStore ProposalStore
vStore VoteStore
log *logging.Logger
pObserver utils.Observer[entities.Proposal]
vObserver utils.Observer[entities.Vote]
}
func NewGovernance(pStore ProposalStore, vStore VoteStore, log *logging.Logger) *Governance {
return &Governance{
pStore: pStore,
vStore: vStore,
pObserver: utils.NewObserver[entities.Proposal]("proposal", log, 0, 0),
vObserver: utils.NewObserver[entities.Vote]("vote", log, 0, 0),
log: log,
}
}
func (g *Governance) AddProposal(ctx context.Context, p entities.Proposal) error {
err := g.pStore.Add(ctx, p)
if err != nil {
return err
}
g.pObserver.Notify([]entities.Proposal{p})
return nil
}
func (g *Governance) GetProposalByID(ctx context.Context, id string) (entities.Proposal, error) {
return g.pStore.GetByID(ctx, id)
}
func (g *Governance) GetProposalByReference(ctx context.Context, ref string) (entities.Proposal, error) {
return g.pStore.GetByReference(ctx, ref)
}
func (g *Governance) GetProposals(ctx context.Context, inState *entities.ProposalState, partyID *string, proposalType *entities.ProposalType,
pagination entities.CursorPagination,
) ([]entities.Proposal, entities.PageInfo, error) {
return g.pStore.Get(ctx, inState, partyID, proposalType, pagination)
}
func (g *Governance) ObserveProposals(ctx context.Context, retries int, partyID *string) (<-chan []entities.Proposal, uint64) {
ch, ref := g.pObserver.Observe(ctx,
retries,
func(o entities.Proposal) bool { return partyID == nil || o.PartyID.String() == *partyID })
return ch, ref
}
func (g *Governance) AddVote(ctx context.Context, v entities.Vote) error {
err := g.vStore.Add(ctx, v)
if err != nil {
return err
}
g.vObserver.Notify([]entities.Vote{v})
return nil
}
func (g *Governance) GetYesVotesForProposal(ctx context.Context, proposalID string) ([]entities.Vote, error) {
return g.vStore.GetYesVotesForProposal(ctx, proposalID)
}
func (g *Governance) GetNoVotesForProposal(ctx context.Context, proposalID string) ([]entities.Vote, error) {
return g.vStore.GetNoVotesForProposal(ctx, proposalID)
}
func (g *Governance) GetVotesByParty(ctx context.Context, partyID string) ([]entities.Vote, error) {
return g.vStore.GetByParty(ctx, partyID)
}
func (g *Governance) GetByPartyConnection(ctx context.Context, partyID string, pagination entities.CursorPagination) ([]entities.Vote, entities.PageInfo, error) {
return g.vStore.GetByPartyConnection(ctx, partyID, pagination)
}
func (g *Governance) GetConnection(
ctx context.Context,
proposalID, partyID *string,
pagination entities.CursorPagination,
) ([]entities.Vote, entities.PageInfo, error) {
return g.vStore.GetConnection(ctx, proposalID, partyID, pagination)
}
func (g *Governance) GetVotes(ctx context.Context, proposalID, partyID *string, value *entities.VoteValue) ([]entities.Vote, error) {
return g.vStore.Get(ctx, proposalID, partyID, value)
}
func (g *Governance) ObservePartyVotes(ctx context.Context, retries int, partyID string) (<-chan []entities.Vote, uint64) {
ch, ref := g.vObserver.Observe(ctx,
retries,
func(o entities.Vote) bool { return o.PartyID.String() == partyID })
return ch, ref
}
func (g *Governance) ObserveProposalVotes(ctx context.Context, retries int, proposalID string) (<-chan []entities.Vote, uint64) {
ch, ref := g.vObserver.Observe(ctx,
retries,
func(o entities.Vote) bool { return o.PartyID.String() == proposalID })
return ch, ref
}