238 lines
9.3 KiB
Go
238 lines
9.3 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 mocks
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import (
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"bytes"
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"math/big"
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"sort"
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"sync"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/state"
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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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"github.com/ethereum/go-ethereum/statediff"
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"github.com/ethereum/go-ethereum/statediff/testhelpers"
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)
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var (
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emptyStorage = make([]statediff.StorageNode, 0)
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block0, block1 *types.Block
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minerLeafKey = testhelpers.AddressToLeafKey(common.HexToAddress("0x0"))
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account1, _ = rlp.EncodeToBytes(state.Account{
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Nonce: uint64(0),
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Balance: big.NewInt(10000),
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CodeHash: common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470").Bytes(),
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Root: common.HexToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"),
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})
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account1LeafNode, _ = rlp.EncodeToBytes([]interface{}{
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common.Hex2Bytes("3926db69aaced518e9b9f0f434a473e7174109c943548bb8f23be41ca76d9ad2"),
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account1,
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})
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minerAccount, _ = rlp.EncodeToBytes(state.Account{
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Nonce: uint64(0),
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Balance: big.NewInt(2000000000000000000),
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CodeHash: common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470").Bytes(),
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Root: common.HexToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"),
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})
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minerAccountLeafNode, _ = rlp.EncodeToBytes([]interface{}{
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common.Hex2Bytes("3380c7b7ae81a58eb98d9c78de4a1fd7fd9535fc953ed2be602daaa41767312a"),
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minerAccount,
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})
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bankAccount, _ = rlp.EncodeToBytes(state.Account{
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Nonce: uint64(1),
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Balance: big.NewInt(testhelpers.TestBankFunds.Int64() - 10000),
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CodeHash: common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470").Bytes(),
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Root: common.HexToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"),
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})
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bankAccountLeafNode, _ = rlp.EncodeToBytes([]interface{}{
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common.Hex2Bytes("30bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a"),
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bankAccount,
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})
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mockTotalDifficulty = big.NewInt(1337)
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params = statediff.Params{
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IntermediateStateNodes: false,
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IncludeTD: true,
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IncludeBlock: true,
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IncludeReceipts: true,
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}
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)
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func TestAPI(t *testing.T) {
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testSubscriptionAPI(t)
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testHTTPAPI(t)
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}
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func testSubscriptionAPI(t *testing.T) {
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blocks, chain := testhelpers.MakeChain(1, testhelpers.Genesis, testhelpers.TestChainGen)
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defer chain.Stop()
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block0 = testhelpers.Genesis
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block1 = blocks[0]
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expectedBlockRlp, _ := rlp.EncodeToBytes(block1)
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mockReceipt := &types.Receipt{
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BlockNumber: block1.Number(),
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BlockHash: block1.Hash(),
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}
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expectedReceiptBytes, _ := rlp.EncodeToBytes(types.Receipts{mockReceipt})
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expectedStateDiff := statediff.StateObject{
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BlockNumber: block1.Number(),
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BlockHash: block1.Hash(),
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Nodes: []statediff.StateNode{
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{
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Path: []byte{'\x05'},
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NodeType: statediff.Leaf,
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LeafKey: minerLeafKey,
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NodeValue: minerAccountLeafNode,
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StorageNodes: emptyStorage,
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},
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{
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Path: []byte{'\x0e'},
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NodeType: statediff.Leaf,
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LeafKey: testhelpers.Account1LeafKey,
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NodeValue: account1LeafNode,
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StorageNodes: emptyStorage,
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},
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{
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Path: []byte{'\x00'},
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NodeType: statediff.Leaf,
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LeafKey: testhelpers.BankLeafKey,
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NodeValue: bankAccountLeafNode,
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StorageNodes: emptyStorage,
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},
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},
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}
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expectedStateDiffBytes, _ := rlp.EncodeToBytes(expectedStateDiff)
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blockChan := make(chan *types.Block)
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parentBlockChain := make(chan *types.Block)
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serviceQuitChan := make(chan bool)
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mockBlockChain := &BlockChain{}
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mockBlockChain.SetReceiptsForHash(block1.Hash(), types.Receipts{mockReceipt})
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mockBlockChain.SetTdByHash(block1.Hash(), mockTotalDifficulty)
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mockService := MockStateDiffService{
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Mutex: sync.Mutex{},
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Builder: statediff.NewBuilder(chain.StateCache()),
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BlockChan: blockChan,
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BlockChain: mockBlockChain,
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ParentBlockChan: parentBlockChain,
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QuitChan: serviceQuitChan,
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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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}
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mockService.Start(nil)
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id := rpc.NewID()
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payloadChan := make(chan statediff.Payload)
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quitChan := make(chan bool)
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mockService.Subscribe(id, payloadChan, quitChan, params)
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blockChan <- block1
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parentBlockChain <- block0
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sort.Slice(expectedStateDiffBytes, func(i, j int) bool { return expectedStateDiffBytes[i] < expectedStateDiffBytes[j] })
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select {
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case payload := <-payloadChan:
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if !bytes.Equal(payload.BlockRlp, expectedBlockRlp) {
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t.Errorf("payload does not have expected block\r\nactual block rlp: %v\r\nexpected block rlp: %v", payload.BlockRlp, expectedBlockRlp)
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}
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sort.Slice(payload.StateObjectRlp, func(i, j int) bool { return payload.StateObjectRlp[i] < payload.StateObjectRlp[j] })
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if !bytes.Equal(payload.StateObjectRlp, expectedStateDiffBytes) {
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t.Errorf("payload does not have expected state diff\r\nactual state diff rlp: %v\r\nexpected state diff rlp: %v", payload.StateObjectRlp, expectedStateDiffBytes)
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}
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if !bytes.Equal(expectedReceiptBytes, payload.ReceiptsRlp) {
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t.Errorf("payload does not have expected receipts\r\nactual receipt rlp: %v\r\nexpected receipt rlp: %v", payload.ReceiptsRlp, expectedReceiptBytes)
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}
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if !bytes.Equal(payload.TotalDifficulty.Bytes(), mockTotalDifficulty.Bytes()) {
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t.Errorf("payload does not have expected total difficulty\r\nactual td: %d\r\nexpected td: %d", payload.TotalDifficulty.Int64(), mockTotalDifficulty.Int64())
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}
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case <-quitChan:
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t.Errorf("channel quit before delivering payload")
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}
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}
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func testHTTPAPI(t *testing.T) {
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blocks, chain := testhelpers.MakeChain(1, testhelpers.Genesis, testhelpers.TestChainGen)
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defer chain.Stop()
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block0 = testhelpers.Genesis
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block1 = blocks[0]
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expectedBlockRlp, _ := rlp.EncodeToBytes(block1)
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mockReceipt := &types.Receipt{
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BlockNumber: block1.Number(),
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BlockHash: block1.Hash(),
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}
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expectedReceiptBytes, _ := rlp.EncodeToBytes(types.Receipts{mockReceipt})
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expectedStateDiff := statediff.StateObject{
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BlockNumber: block1.Number(),
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BlockHash: block1.Hash(),
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Nodes: []statediff.StateNode{
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{
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Path: []byte{'\x05'},
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NodeType: statediff.Leaf,
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LeafKey: minerLeafKey,
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NodeValue: minerAccountLeafNode,
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StorageNodes: emptyStorage,
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},
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{
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Path: []byte{'\x0e'},
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NodeType: statediff.Leaf,
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LeafKey: testhelpers.Account1LeafKey,
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NodeValue: account1LeafNode,
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StorageNodes: emptyStorage,
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},
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{
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Path: []byte{'\x00'},
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NodeType: statediff.Leaf,
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LeafKey: testhelpers.BankLeafKey,
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NodeValue: bankAccountLeafNode,
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StorageNodes: emptyStorage,
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},
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},
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}
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expectedStateDiffBytes, _ := rlp.EncodeToBytes(expectedStateDiff)
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mockBlockChain := &BlockChain{}
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mockBlockChain.SetBlocksForHashes(map[common.Hash]*types.Block{
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block0.Hash(): block0,
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block1.Hash(): block1,
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})
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mockBlockChain.SetBlockForNumber(block1, block1.Number().Uint64())
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mockBlockChain.SetReceiptsForHash(block1.Hash(), types.Receipts{mockReceipt})
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mockBlockChain.SetTdByHash(block1.Hash(), big.NewInt(1337))
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mockService := MockStateDiffService{
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Mutex: sync.Mutex{},
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Builder: statediff.NewBuilder(chain.StateCache()),
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BlockChain: mockBlockChain,
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}
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payload, err := mockService.StateDiffAt(block1.Number().Uint64(), params)
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if err != nil {
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t.Error(err)
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}
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sort.Slice(payload.StateObjectRlp, func(i, j int) bool { return payload.StateObjectRlp[i] < payload.StateObjectRlp[j] })
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sort.Slice(expectedStateDiffBytes, func(i, j int) bool { return expectedStateDiffBytes[i] < expectedStateDiffBytes[j] })
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if !bytes.Equal(payload.BlockRlp, expectedBlockRlp) {
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t.Errorf("payload does not have expected block\r\nactual block rlp: %v\r\nexpected block rlp: %v", payload.BlockRlp, expectedBlockRlp)
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}
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if !bytes.Equal(payload.StateObjectRlp, expectedStateDiffBytes) {
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t.Errorf("payload does not have expected state diff\r\nactual state diff rlp: %v\r\nexpected state diff rlp: %v", payload.StateObjectRlp, expectedStateDiffBytes)
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}
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if !bytes.Equal(expectedReceiptBytes, payload.ReceiptsRlp) {
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t.Errorf("payload does not have expected receipts\r\nactual receipt rlp: %v\r\nexpected receipt rlp: %v", payload.ReceiptsRlp, expectedReceiptBytes)
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}
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if !bytes.Equal(payload.TotalDifficulty.Bytes(), mockTotalDifficulty.Bytes()) {
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t.Errorf("paylaod does not have the expected total difficulty\r\nactual td: %d\r\nexpected td: %d", payload.TotalDifficulty.Int64(), mockTotalDifficulty.Int64())
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}
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}
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