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Merge pull request #9955 from vegaprotocol/feat-9802
feat: add transaction result subscription
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // Copyright (C) 2023 Gobalsky Labs Limited | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as | ||
| // published by the Free Software Foundation, either version 3 of the | ||
| // License, or (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| // 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. | ||
|
|
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| package sqlsubscribers | ||
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|
||
| import ( | ||
| "context" | ||
|
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| "code.vegaprotocol.io/vega/core/events" | ||
| "code.vegaprotocol.io/vega/datanode/utils" | ||
| "code.vegaprotocol.io/vega/libs/slice" | ||
| "code.vegaprotocol.io/vega/logging" | ||
| ) | ||
|
|
||
| type TransactionResultEvent interface { | ||
| events.Event | ||
| TransactionResult() events.TransactionResult | ||
| } | ||
|
|
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| type TransactionResults struct { | ||
| subscriber | ||
| observer utils.Observer[events.TransactionResult] | ||
| } | ||
|
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| func NewTransactionResults(log *logging.Logger) *TransactionResults { | ||
| return &TransactionResults{ | ||
| observer: utils.NewObserver[events.TransactionResult]("transaction_result", log, 5, 5), | ||
| } | ||
| } | ||
|
|
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| func (tr *TransactionResults) Push(ctx context.Context, evt events.Event) error { | ||
| switch e := evt.(type) { | ||
| case TransactionResultEvent: | ||
| tr.observer.Notify([]events.TransactionResult{e.TransactionResult()}) | ||
| return nil | ||
| default: | ||
| return nil | ||
| } | ||
| } | ||
|
|
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| func (tr *TransactionResults) Types() []events.Type { | ||
| return []events.Type{events.TransactionResultEvent} | ||
| } | ||
|
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| func (tr *TransactionResults) Observe(ctx context.Context, retries int, | ||
| partyIDs []string, hashes []string, status *bool, | ||
| ) (transactions <-chan []events.TransactionResult, ref uint64) { | ||
| ch, ref := tr.observer.Observe(ctx, | ||
| retries, | ||
| func(tre events.TransactionResult) bool { | ||
| partiesOk := len(partyIDs) == 0 || slice.Contains(partyIDs, tre.PartyID()) | ||
| hashesOk := len(hashes) == 0 || slice.Contains(hashes, tre.Hash()) | ||
| statusOK := status == nil || *status == tre.Status() | ||
|
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||
| return partiesOk && hashesOk && statusOK | ||
| }) | ||
| return ch, ref | ||
| } |
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