40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
|
// Copyright 2019 Vulcanize
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package streamer
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/ethereum/go-ethereum/rpc"
|
||
|
|
"github.com/ethereum/go-ethereum/statediff"
|
||
|
|
"github.com/vulcanize/vulcanizedb/pkg/core"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Streamer interface {
|
||
|
|
Stream(chan statediff.Payload) (*rpc.ClientSubscription, error)
|
||
|
|
}
|
||
|
|
|
||
|
|
type StateDiffStreamer struct {
|
||
|
|
client core.RpcClient
|
||
|
|
}
|
||
|
|
|
||
|
|
func (streamer *StateDiffStreamer) Stream(payloadChan chan statediff.Payload) (*rpc.ClientSubscription, error) {
|
||
|
|
return streamer.client.Subscribe("statediff", payloadChan, "stream")
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewStateDiffStreamer(client core.RpcClient) StateDiffStreamer {
|
||
|
|
return StateDiffStreamer{
|
||
|
|
client: client,
|
||
|
|
}
|
||
|
|
}
|