60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
// VulcanizeDB
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// Copyright © 2019 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 mocks
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import (
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"errors"
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"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
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)
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// BackFiller mock for tests
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type BackFiller struct {
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StorageDiffsToReturn []utils.StorageDiff
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BackFillErrs []error
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PassedEndingBlock uint64
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StartingBlock uint64
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}
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// SetStorageDiffsToReturn for tests
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func (backFiller *BackFiller) SetStorageDiffsToReturn(diffs []utils.StorageDiff) {
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backFiller.StorageDiffsToReturn = diffs
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}
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// BackFill mock method
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func (backFiller *BackFiller) BackFill(endingBlock uint64, backFill chan utils.StorageDiff, errChan chan error, done chan bool) error {
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if endingBlock < backFiller.StartingBlock {
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return errors.New("backfill: ending block number needs to be greater than starting block number")
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}
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backFiller.PassedEndingBlock = endingBlock
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go func(backFill chan utils.StorageDiff, errChan chan error, done chan bool) {
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errLen := len(backFiller.BackFillErrs)
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for i, diff := range backFiller.StorageDiffsToReturn {
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if i < errLen {
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err := backFiller.BackFillErrs[i]
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if err != nil {
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errChan <- err
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continue
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}
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}
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backFill <- diff
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}
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done <- true
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}(backFill, errChan, done)
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return nil
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}
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