ipld-eth-server/pkg/btc/mocks/publisher.go
2020-05-29 22:02:47 -05:00

66 lines
2.4 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 (
"fmt"
"github.com/vulcanize/ipfs-chain-watcher/pkg/btc"
"github.com/vulcanize/ipfs-chain-watcher/pkg/shared"
)
// IPLDPublisher is the underlying struct for the Publisher interface
type IPLDPublisher struct {
PassedIPLDPayload btc.ConvertedPayload
ReturnCIDPayload *btc.CIDPayload
ReturnErr error
}
// Publish publishes an IPLDPayload to IPFS and returns the corresponding CIDPayload
func (pub *IPLDPublisher) Publish(payload shared.ConvertedData) (shared.CIDsForIndexing, error) {
ipldPayload, ok := payload.(btc.ConvertedPayload)
if !ok {
return nil, fmt.Errorf("publish expected payload type %T got %T", &btc.ConvertedPayload{}, payload)
}
pub.PassedIPLDPayload = ipldPayload
return pub.ReturnCIDPayload, pub.ReturnErr
}
// IterativeIPLDPublisher is the underlying struct for the Publisher interface; used in testing
type IterativeIPLDPublisher struct {
PassedIPLDPayload []btc.ConvertedPayload
ReturnCIDPayload []*btc.CIDPayload
ReturnErr error
iteration int
}
// Publish publishes an IPLDPayload to IPFS and returns the corresponding CIDPayload
func (pub *IterativeIPLDPublisher) Publish(payload shared.ConvertedData) (shared.CIDsForIndexing, error) {
ipldPayload, ok := payload.(btc.ConvertedPayload)
if !ok {
return nil, fmt.Errorf("publish expected payload type %T got %T", &btc.ConvertedPayload{}, payload)
}
pub.PassedIPLDPayload = append(pub.PassedIPLDPayload, ipldPayload)
if len(pub.ReturnCIDPayload) < pub.iteration+1 {
return nil, fmt.Errorf("IterativeIPLDPublisher does not have a payload to return at iteration %d", pub.iteration)
}
returnPayload := pub.ReturnCIDPayload[pub.iteration]
pub.iteration++
return returnPayload, pub.ReturnErr
}