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