294 lines
12 KiB
Go
294 lines
12 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package statediff_test
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import (
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"bytes"
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"math/big"
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"math/rand"
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"reflect"
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"sync"
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"testing"
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types2 "github.com/ethereum/go-ethereum/statediff/types"
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"github.com/ethereum/go-ethereum/trie"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/rpc"
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statediff "github.com/ethereum/go-ethereum/statediff"
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"github.com/ethereum/go-ethereum/statediff/test_helpers/mocks"
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)
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func TestServiceLoop(t *testing.T) {
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testErrorInChainEventLoop(t)
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testErrorInBlockLoop(t)
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}
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var (
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eventsChannel = make(chan core.ChainEvent, 1)
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parentRoot1 = common.HexToHash("0x01")
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parentRoot2 = common.HexToHash("0x02")
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parentHeader1 = types.Header{Number: big.NewInt(rand.Int63()), Root: parentRoot1}
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parentHeader2 = types.Header{Number: big.NewInt(rand.Int63()), Root: parentRoot2}
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parentBlock1 = types.NewBlock(&parentHeader1, nil, nil, nil, new(trie.Trie))
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parentBlock2 = types.NewBlock(&parentHeader2, nil, nil, nil, new(trie.Trie))
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parentHash1 = parentBlock1.Hash()
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parentHash2 = parentBlock2.Hash()
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testRoot1 = common.HexToHash("0x03")
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testRoot2 = common.HexToHash("0x04")
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testRoot3 = common.HexToHash("0x04")
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header1 = types.Header{ParentHash: parentHash1, Root: testRoot1, Number: big.NewInt(1)}
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header2 = types.Header{ParentHash: parentHash2, Root: testRoot2, Number: big.NewInt(2)}
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header3 = types.Header{ParentHash: common.HexToHash("parent hash"), Root: testRoot3, Number: big.NewInt(3)}
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testBlock1 = types.NewBlock(&header1, nil, nil, nil, new(trie.Trie))
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testBlock2 = types.NewBlock(&header2, nil, nil, nil, new(trie.Trie))
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testBlock3 = types.NewBlock(&header3, nil, nil, nil, new(trie.Trie))
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receiptRoot1 = common.HexToHash("0x05")
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receiptRoot2 = common.HexToHash("0x06")
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receiptRoot3 = common.HexToHash("0x07")
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testReceipts1 = []*types.Receipt{types.NewReceipt(receiptRoot1.Bytes(), false, 1000), types.NewReceipt(receiptRoot2.Bytes(), false, 2000)}
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testReceipts2 = []*types.Receipt{types.NewReceipt(receiptRoot3.Bytes(), false, 3000)}
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event1 = core.ChainEvent{Block: testBlock1}
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event2 = core.ChainEvent{Block: testBlock2}
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event3 = core.ChainEvent{Block: testBlock3}
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defaultParams = statediff.Params{
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IncludeBlock: true,
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IncludeReceipts: true,
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IncludeTD: true,
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}
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)
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func testErrorInChainEventLoop(t *testing.T) {
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//the first chain event causes and error (in blockchain mock)
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builder := mocks.Builder{}
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blockChain := mocks.BlockChain{}
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serviceQuit := make(chan bool)
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service := statediff.Service{
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Mutex: sync.Mutex{},
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Builder: &builder,
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BlockChain: &blockChain,
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QuitChan: serviceQuit,
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Subscriptions: make(map[common.Hash]map[rpc.ID]statediff.Subscription),
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SubscriptionTypes: make(map[common.Hash]statediff.Params),
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BlockCache: statediff.NewBlockCache(1),
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}
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payloadChan := make(chan statediff.Payload, 2)
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quitChan := make(chan bool)
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service.Subscribe(rpc.NewID(), payloadChan, quitChan, defaultParams)
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testRoot2 = common.HexToHash("0xTestRoot2")
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blockMapping := make(map[common.Hash]*types.Block)
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blockMapping[parentBlock1.Hash()] = parentBlock1
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blockMapping[parentBlock2.Hash()] = parentBlock2
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blockChain.SetBlocksForHashes(blockMapping)
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blockChain.SetChainEvents([]core.ChainEvent{event1, event2, event3})
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blockChain.SetReceiptsForHash(testBlock1.Hash(), testReceipts1)
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blockChain.SetReceiptsForHash(testBlock2.Hash(), testReceipts2)
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payloads := make([]statediff.Payload, 0, 2)
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wg := new(sync.WaitGroup)
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go func() {
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wg.Add(1)
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for i := 0; i < 2; i++ {
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select {
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case payload := <-payloadChan:
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payloads = append(payloads, payload)
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case <-quitChan:
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}
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}
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wg.Done()
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}()
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service.Loop(eventsChannel)
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wg.Wait()
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if len(payloads) != 2 {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual number of payloads does not equal expected.\nactual: %+v\nexpected: 3", len(payloads))
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}
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testReceipts1Rlp, err := rlp.EncodeToBytes(testReceipts1)
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if err != nil {
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t.Error(err)
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}
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testReceipts2Rlp, err := rlp.EncodeToBytes(testReceipts2)
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if err != nil {
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t.Error(err)
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}
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expectedReceiptsRlp := [][]byte{testReceipts1Rlp, testReceipts2Rlp, nil}
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for i, payload := range payloads {
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if !bytes.Equal(payload.ReceiptsRlp, expectedReceiptsRlp[i]) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual receipt rlp for payload %d does not equal expected.\nactual: %+v\nexpected: %+v", i, payload.ReceiptsRlp, expectedReceiptsRlp[i])
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}
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}
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if !reflect.DeepEqual(builder.Params, defaultParams) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual params does not equal expected.\nactual:%+v\nexpected: %+v", builder.Params, defaultParams)
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}
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if !bytes.Equal(builder.Args.BlockHash.Bytes(), testBlock2.Hash().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual blockhash does not equal expected.\nactual:%x\nexpected: %x", builder.Args.BlockHash.Bytes(), testBlock2.Hash().Bytes())
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}
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if !bytes.Equal(builder.Args.OldStateRoot.Bytes(), parentBlock2.Root().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual root does not equal expected.\nactual:%x\nexpected: %x", builder.Args.OldStateRoot.Bytes(), parentBlock2.Root().Bytes())
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}
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if !bytes.Equal(builder.Args.NewStateRoot.Bytes(), testBlock2.Root().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual root does not equal expected.\nactual:%x\nexpected: %x", builder.Args.NewStateRoot.Bytes(), testBlock2.Root().Bytes())
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}
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//look up the parent block from its hash
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expectedHashes := []common.Hash{testBlock1.ParentHash(), testBlock2.ParentHash()}
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if !reflect.DeepEqual(blockChain.HashesLookedUp, expectedHashes) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual looked up parent hashes does not equal expected.\nactual:%+v\nexpected: %+v", blockChain.HashesLookedUp, expectedHashes)
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}
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}
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func testErrorInBlockLoop(t *testing.T) {
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//second block's parent block can't be found
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builder := mocks.Builder{}
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blockChain := mocks.BlockChain{}
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service := statediff.Service{
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Builder: &builder,
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BlockChain: &blockChain,
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QuitChan: make(chan bool),
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Subscriptions: make(map[common.Hash]map[rpc.ID]statediff.Subscription),
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SubscriptionTypes: make(map[common.Hash]statediff.Params),
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BlockCache: statediff.NewBlockCache(1),
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}
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payloadChan := make(chan statediff.Payload)
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quitChan := make(chan bool)
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service.Subscribe(rpc.NewID(), payloadChan, quitChan, defaultParams)
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blockMapping := make(map[common.Hash]*types.Block)
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blockMapping[parentBlock1.Hash()] = parentBlock1
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blockChain.SetBlocksForHashes(blockMapping)
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blockChain.SetChainEvents([]core.ChainEvent{event1, event2})
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// Need to have listeners on the channels or the subscription will be closed and the processing halted
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go func() {
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select {
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case <-payloadChan:
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case <-quitChan:
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}
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}()
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service.Loop(eventsChannel)
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if !reflect.DeepEqual(builder.Params, defaultParams) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual params does not equal expected.\nactual:%+v\nexpected: %+v", builder.Params, defaultParams)
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}
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if !bytes.Equal(builder.Args.BlockHash.Bytes(), testBlock1.Hash().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual blockhash does not equal expected.\nactual:%+v\nexpected: %x", builder.Args.BlockHash.Bytes(), testBlock1.Hash().Bytes())
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}
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if !bytes.Equal(builder.Args.OldStateRoot.Bytes(), parentBlock1.Root().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual old state root does not equal expected.\nactual:%+v\nexpected: %x", builder.Args.OldStateRoot.Bytes(), parentBlock1.Root().Bytes())
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}
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if !bytes.Equal(builder.Args.NewStateRoot.Bytes(), testBlock1.Root().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual new state root does not equal expected.\nactual:%+v\nexpected: %x", builder.Args.NewStateRoot.Bytes(), testBlock1.Root().Bytes())
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}
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}
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func TestGetStateDiffAt(t *testing.T) {
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testErrorInStateDiffAt(t)
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}
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func testErrorInStateDiffAt(t *testing.T) {
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mockStateDiff := types2.StateObject{
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BlockNumber: testBlock1.Number(),
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BlockHash: testBlock1.Hash(),
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}
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expectedStateDiffRlp, err := rlp.EncodeToBytes(mockStateDiff)
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if err != nil {
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t.Error(err)
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}
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expectedReceiptsRlp, err := rlp.EncodeToBytes(testReceipts1)
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if err != nil {
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t.Error(err)
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}
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expectedBlockRlp, err := rlp.EncodeToBytes(testBlock1)
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if err != nil {
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t.Error(err)
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}
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expectedStateDiffPayload := statediff.Payload{
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StateObjectRlp: expectedStateDiffRlp,
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ReceiptsRlp: expectedReceiptsRlp,
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BlockRlp: expectedBlockRlp,
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}
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expectedStateDiffPayloadRlp, err := rlp.EncodeToBytes(expectedStateDiffPayload)
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if err != nil {
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t.Error(err)
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}
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builder := mocks.Builder{}
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builder.SetStateDiffToBuild(mockStateDiff)
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blockChain := mocks.BlockChain{}
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blockMapping := make(map[common.Hash]*types.Block)
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blockMapping[parentBlock1.Hash()] = parentBlock1
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blockChain.SetBlocksForHashes(blockMapping)
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blockChain.SetBlockForNumber(testBlock1, testBlock1.NumberU64())
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blockChain.SetReceiptsForHash(testBlock1.Hash(), testReceipts1)
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service := statediff.Service{
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Mutex: sync.Mutex{},
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Builder: &builder,
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BlockChain: &blockChain,
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QuitChan: make(chan bool),
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Subscriptions: make(map[common.Hash]map[rpc.ID]statediff.Subscription),
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SubscriptionTypes: make(map[common.Hash]statediff.Params),
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BlockCache: statediff.NewBlockCache(1),
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}
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stateDiffPayload, err := service.StateDiffAt(testBlock1.NumberU64(), defaultParams)
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if err != nil {
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t.Error(err)
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}
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stateDiffPayloadRlp, err := rlp.EncodeToBytes(stateDiffPayload)
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if err != nil {
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t.Error(err)
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}
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if !reflect.DeepEqual(builder.Params, defaultParams) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual params does not equal expected.\nactual:%+v\nexpected: %+v", builder.Params, defaultParams)
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}
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if !bytes.Equal(builder.Args.BlockHash.Bytes(), testBlock1.Hash().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual blockhash does not equal expected.\nactual:%+v\nexpected: %x", builder.Args.BlockHash.Bytes(), testBlock1.Hash().Bytes())
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}
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if !bytes.Equal(builder.Args.OldStateRoot.Bytes(), parentBlock1.Root().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual old state root does not equal expected.\nactual:%+v\nexpected: %x", builder.Args.OldStateRoot.Bytes(), parentBlock1.Root().Bytes())
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}
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if !bytes.Equal(builder.Args.NewStateRoot.Bytes(), testBlock1.Root().Bytes()) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual new state root does not equal expected.\nactual:%+v\nexpected: %x", builder.Args.NewStateRoot.Bytes(), testBlock1.Root().Bytes())
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}
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if !bytes.Equal(expectedStateDiffPayloadRlp, stateDiffPayloadRlp) {
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t.Error("Test failure:", t.Name())
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t.Logf("Actual state diff payload does not equal expected.\nactual:%+v\nexpected: %+v", expectedStateDiffPayload, stateDiffPayload)
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}
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}
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