ipld-eth-server/pkg/super_node/shared/mocks/payload_fetcher.go

51 lines
1.7 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// 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/>.
package mocks
import (
"errors"
"sync/atomic"
"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
)
// PayloadFetcher mock for tests
type PayloadFetcher struct {
PayloadsToReturn map[uint64]shared.RawChainData
FetchErrs map[uint64]error
CalledAtBlockHeights [][]uint64
CalledTimes int64
}
// FetchAt mock method
func (fetcher *PayloadFetcher) FetchAt(blockHeights []uint64) ([]shared.RawChainData, error) {
if fetcher.PayloadsToReturn == nil {
return nil, errors.New("mock StateDiffFetcher needs to be initialized with payloads to return")
}
atomic.AddInt64(&fetcher.CalledTimes, 1) // thread-safe increment
fetcher.CalledAtBlockHeights = append(fetcher.CalledAtBlockHeights, blockHeights)
results := make([]shared.RawChainData, 0, len(blockHeights))
for _, height := range blockHeights {
results = append(results, fetcher.PayloadsToReturn[height])
err, ok := fetcher.FetchErrs[height]
if ok && err != nil {
return nil, err
}
}
return results, nil
}