forked from cerc-io/ipld-eth-server
43 lines
1.6 KiB
Go
43 lines
1.6 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/>.
|
|
|
|
// Streamer is used by watchers to stream eth data from a vulcanizedb super node
|
|
package streamer
|
|
|
|
import (
|
|
"github.com/ethereum/go-ethereum/rpc"
|
|
|
|
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/core"
|
|
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/watch"
|
|
)
|
|
|
|
// SuperNodeStreamer is the underlying struct for the shared.SuperNodeStreamer interface
|
|
type SuperNodeStreamer struct {
|
|
Client core.RPCClient
|
|
}
|
|
|
|
// NewSuperNodeStreamer creates a pointer to a new SuperNodeStreamer which satisfies the ISuperNodeStreamer interface
|
|
func NewSuperNodeStreamer(client core.RPCClient) *SuperNodeStreamer {
|
|
return &SuperNodeStreamer{
|
|
Client: client,
|
|
}
|
|
}
|
|
|
|
// Stream is the main loop for subscribing to data from a vulcanizedb super node
|
|
func (sds *SuperNodeStreamer) Stream(payloadChan chan watcher.SubscriptionPayload, rlpParams []byte) (*rpc.ClientSubscription, error) {
|
|
return sds.Client.Subscribe("vdb", payloadChan, "stream", rlpParams)
|
|
}
|