Roy Crihfield
9f967abfb9
refactor packages, flags, subscriptions also DRY up builder tests use mockgen
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
// VulcanizeDB
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// Copyright © 2021 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package dump
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import (
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"fmt"
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"io"
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"github.com/cerc-io/plugeth-statediff/indexer/ipld"
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"github.com/cerc-io/plugeth-statediff/indexer/models"
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)
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// BatchTx wraps a void with the state necessary for building the tx concurrently during trie difference iteration
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type BatchTx struct {
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BlockNumber string
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dump io.Writer
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quit chan struct{}
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iplds chan models.IPLDModel
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ipldCache models.IPLDBatch
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submit func(blockTx *BatchTx, err error) error
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}
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// Submit satisfies indexer.AtomicTx
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func (tx *BatchTx) Submit(err error) error {
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return tx.submit(tx, err)
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}
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func (tx *BatchTx) flush() error {
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if _, err := fmt.Fprintf(tx.dump, "%+v\r\n", tx.ipldCache); err != nil {
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return err
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}
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tx.ipldCache = models.IPLDBatch{}
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return nil
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}
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// run in background goroutine to synchronize concurrent appends to the ipldCache
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func (tx *BatchTx) cache() {
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for {
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select {
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case i := <-tx.iplds:
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tx.ipldCache.Keys = append(tx.ipldCache.Keys, i.Key)
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tx.ipldCache.Values = append(tx.ipldCache.Values, i.Data)
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case <-tx.quit:
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tx.ipldCache = models.IPLDBatch{}
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return
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}
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}
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}
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func (tx *BatchTx) cacheDirect(key string, value []byte) {
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tx.iplds <- models.IPLDModel{
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BlockNumber: tx.BlockNumber,
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Key: key,
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Data: value,
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}
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}
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func (tx *BatchTx) cacheIPLD(i ipld.IPLD) {
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tx.iplds <- models.IPLDModel{
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BlockNumber: tx.BlockNumber,
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Key: i.Cid().String(),
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Data: i.RawData(),
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}
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}
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