131 lines
4.7 KiB
Go
131 lines
4.7 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 fetcher_test
|
|
|
|
import (
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/rpc"
|
|
"github.com/ethereum/go-ethereum/statediff"
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
"github.com/vulcanize/vulcanizedb/libraries/shared/fetcher"
|
|
"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
|
|
"github.com/vulcanize/vulcanizedb/libraries/shared/test_data"
|
|
"github.com/vulcanize/vulcanizedb/pkg/fakes"
|
|
)
|
|
|
|
type MockStoragediffStreamer struct {
|
|
subscribeError error
|
|
PassedPayloadChan chan statediff.Payload
|
|
streamPayloads []statediff.Payload
|
|
}
|
|
|
|
func (streamer *MockStoragediffStreamer) Stream(statediffPayloadChan chan statediff.Payload) (*rpc.ClientSubscription, error) {
|
|
clientSubscription := rpc.ClientSubscription{}
|
|
streamer.PassedPayloadChan = statediffPayloadChan
|
|
|
|
go func() {
|
|
for _, payload := range streamer.streamPayloads {
|
|
streamer.PassedPayloadChan <- payload
|
|
}
|
|
}()
|
|
|
|
return &clientSubscription, streamer.subscribeError
|
|
}
|
|
|
|
func (streamer *MockStoragediffStreamer) SetSubscribeError(err error) {
|
|
streamer.subscribeError = err
|
|
}
|
|
|
|
func (streamer *MockStoragediffStreamer) SetPayloads(payloads []statediff.Payload) {
|
|
streamer.streamPayloads = payloads
|
|
}
|
|
|
|
var _ = Describe("Geth RPC Storage Fetcher", func() {
|
|
var streamer MockStoragediffStreamer
|
|
var statediffPayloadChan chan statediff.Payload
|
|
var statediffFetcher fetcher.GethRpcStorageFetcher
|
|
var storagediffRowChan chan utils.StorageDiffRow
|
|
var errorChan chan error
|
|
|
|
BeforeEach(func() {
|
|
streamer = MockStoragediffStreamer{}
|
|
statediffPayloadChan = make(chan statediff.Payload, 1)
|
|
statediffFetcher = fetcher.NewGethRpcStorageFetcher(&streamer, statediffPayloadChan)
|
|
storagediffRowChan = make(chan utils.StorageDiffRow)
|
|
errorChan = make(chan error)
|
|
})
|
|
|
|
It("adds errors to error channel if the RPC subscription fails ", func(done Done) {
|
|
streamer.SetSubscribeError(fakes.FakeError)
|
|
|
|
go statediffFetcher.FetchStorageDiffs(storagediffRowChan, errorChan)
|
|
|
|
Expect(<-errorChan).To(MatchError(fakes.FakeError))
|
|
close(done)
|
|
})
|
|
|
|
It("streams StatediffPayloads from a Geth RPC subscription", func(done Done) {
|
|
streamer.SetPayloads([]statediff.Payload{test_data.MockStatediffPayload})
|
|
|
|
go statediffFetcher.FetchStorageDiffs(storagediffRowChan, errorChan)
|
|
|
|
streamedPayload := <-statediffPayloadChan
|
|
Expect(streamedPayload).To(Equal(test_data.MockStatediffPayload))
|
|
Expect(streamer.PassedPayloadChan).To(Equal(statediffPayloadChan))
|
|
close(done)
|
|
})
|
|
|
|
It("adds parsed statediff payloads to the rows channel", func(done Done) {
|
|
streamer.SetPayloads([]statediff.Payload{test_data.MockStatediffPayload})
|
|
|
|
go statediffFetcher.FetchStorageDiffs(storagediffRowChan, errorChan)
|
|
|
|
height := test_data.BlockNumber
|
|
intHeight := int(height.Int64())
|
|
expectedStorageDiffRow := utils.StorageDiffRow{
|
|
//this is not the contract address, but the keccak 256 of the address
|
|
Contract: common.BytesToAddress(test_data.ContractLeafKey[:]),
|
|
BlockHash: common.HexToHash("0xfa40fbe2d98d98b3363a778d52f2bcd29d6790b9b3f3cab2b167fd12d3550f73"),
|
|
BlockHeight: intHeight,
|
|
StorageKey: common.BytesToHash(test_data.StorageKey),
|
|
StorageValue: common.BytesToHash(test_data.StorageValue),
|
|
}
|
|
anotherExpectedStorageDiffRow := utils.StorageDiffRow{
|
|
//this is not the contract address, but the keccak 256 of the address
|
|
Contract: common.BytesToAddress(test_data.AnotherContractLeafKey[:]),
|
|
BlockHash: common.HexToHash("0xfa40fbe2d98d98b3363a778d52f2bcd29d6790b9b3f3cab2b167fd12d3550f73"),
|
|
BlockHeight: intHeight,
|
|
StorageKey: common.BytesToHash(test_data.StorageKey),
|
|
StorageValue: common.BytesToHash(test_data.StorageValue),
|
|
}
|
|
Expect(<-storagediffRowChan).To(Equal(expectedStorageDiffRow))
|
|
Expect(<-storagediffRowChan).To(Equal(anotherExpectedStorageDiffRow))
|
|
|
|
close(done)
|
|
})
|
|
|
|
It("adds errors to error channel if parsing the diff fails", func(done Done) {
|
|
badStatediffPayload := statediff.Payload{}
|
|
streamer.SetPayloads([]statediff.Payload{badStatediffPayload})
|
|
|
|
go statediffFetcher.FetchStorageDiffs(storagediffRowChan, errorChan)
|
|
|
|
Expect(<-errorChan).To(MatchError("EOF"))
|
|
|
|
close(done)
|
|
})
|
|
})
|