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eth/tracers: add test for contractTracer
This commit is contained in:
JukLee0ira
parent
f7b591ffe3
commit
412133b977
2 changed files with 158 additions and 0 deletions
67
eth/tracers/testdata/contract_tracer/simple_opCode.json
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67
eth/tracers/testdata/contract_tracer/simple_opCode.json
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@ -0,0 +1,67 @@
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{
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"context": {
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"difficulty": "3502894804",
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"gasLimit": "4722976",
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"miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724",
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"number": "2289806",
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"timestamp": "1513601314"
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},
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"genesis": {
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"alloc": {
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"0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": {
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"balance": "0x0",
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"code": "0x",
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"nonce": "9",
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"storage": {}
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},
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"0x7ef6c7dc8f8e9dbb026382537906991b07f2da86": {
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"balance": "0x4d87094125a369d9bd5",
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"code": "0x6080604052348015600f57600080fd5b506004361060325760003560e01c8063773a1154146037578063ccbac9f514603f575b600080fd5b603d6059565b005b60456099565b6040516050919060b6565b60405180910390f35b446000819055507facb85192b17e57cdd6ffdc2af021cc70c3a2269771b37b82dd36695fec903af5600054604051608f919060b6565b60405180910390a1565b60005481565b6000819050919050565b60b081609f565b82525050565b600060208201905060c9600083018460a9565b9291505056fea26469706673582212206c5f0ead8b2711f212408856a646c0e33b66df9c87c135b64651e31409588e7864736f6c63430008120033",
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"nonce": "1",
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"storage": {
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"0x0000000000000000000000000000000000000000000000000000000000000000": "0x0000000000000000000000000000000000000000000000000000000000000003",
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"0x3e77b453e919df1d5620826b6e3709443da2cb6fa3f01166311eebd8013e02bb": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"0x0000000000000000000000000000000000000000000000000000000000000003": "0x000000000000000000000000000000000000000000000000000000005a37b834"
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}
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},
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"0x873c36f9fd02e0c57a393afe80d14f244fe04378": {
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"balance": "0x1780d77678137ac1b775",
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"code": "0x",
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"nonce": "0x10",
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"storage": {}
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}
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},
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"config": {
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"byzantiumBlock": 0,
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"constantinopleBlock": 0,
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"petersburgBlock": 0,
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"IstanbulBlock":1561651,
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"chainId": 4761,
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"daoForkSupport": true,
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"eip150Block": 0,
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"eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"eip155Block": 10,
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"eip158Block": 10,
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"ethash": {},
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"homesteadBlock": 0
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},
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"difficulty": "3509749784",
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"extraData": "0x4554482e45544846414e532e4f52472d4641313738394444",
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"gasLimit": "4727564",
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"hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440",
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"miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3",
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"mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada",
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"nonce": "0x4eb12e19c16d43da",
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"number": "2289805",
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"stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f",
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"timestamp": "1513601261",
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"totalDifficulty": "7143276353481064"
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},
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"input": "0xf86910840ee6b28082a72e947ef6c7dc8f8e9dbb026382537906991b07f2da868084773a1154822555a0a90b352128680ed1277fd0819acdfb1da9e71558854effa68358d36e41e0d170a0685835cae1e3a0b5a57019683cb3150fe22bfab465d0b2568e7266ace66042cd",
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"tracerConfig": {
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"opCode": "PREVRANDAO"
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},
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"result":
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["0x7ef6c7dc8f8e9dbb026382537906991b07f2da86"]
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}
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@ -241,3 +241,94 @@ func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
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statedb.RevertToSnapshot(snap)
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statedb.RevertToSnapshot(snap)
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}
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}
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}
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}
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type contractTracerTest struct {
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Genesis *core.Genesis `json:"genesis"`
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Context *callContext `json:"context"`
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Input string `json:"input"`
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TracerConfig json.RawMessage `json:"tracerConfig"`
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Result []string `json:"result"`
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}
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func testContractTracer(tracerName string, dirPath string, t *testing.T) {
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files, err := os.ReadDir(filepath.Join("..", "testdata", dirPath))
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if err != nil {
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t.Fatalf("failed to retrieve tracer test suite: %v", err)
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}
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for _, file := range files {
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if !strings.HasSuffix(file.Name(), ".json") {
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continue
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}
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file := file // capture range variable
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t.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(t *testing.T) {
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t.Parallel()
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var (
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test = new(contractTracerTest)
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tx = new(types.Transaction)
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)
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// Call tracer test found, read if from disk
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if blob, err := os.ReadFile(filepath.Join("..", "testdata", dirPath, file.Name())); err != nil {
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t.Fatalf("failed to read testcase: %v", err)
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} else if err := json.Unmarshal(blob, test); err != nil {
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t.Fatalf("failed to parse testcase: %v", err)
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}
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if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
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t.Fatalf("failed to parse testcase input: %v", err)
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}
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// Configure a blockchain with the given prestate
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var (
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signer = types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)))
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origin, _ = signer.Sender(tx)
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txContext = vm.TxContext{
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Origin: origin,
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GasPrice: tx.GasPrice(),
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}
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context = vm.BlockContext{
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CanTransfer: core.CanTransfer,
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Transfer: core.Transfer,
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Coinbase: test.Context.Miner,
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BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
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Time: new(big.Int).SetUint64(uint64(test.Context.Time)),
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Difficulty: (*big.Int)(test.Context.Difficulty),
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GasLimit: uint64(test.Context.GasLimit),
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}
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statedb = tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc)
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)
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tracer, err := tracers.New(tracerName, new(tracers.Context), test.TracerConfig)
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if err != nil {
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t.Fatalf("failed to create call tracer: %v", err)
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}
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evm := vm.NewEVM(context, txContext, statedb, nil, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
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msg, err := tx.AsMessage(signer, nil, nil, nil)
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if err != nil {
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t.Fatalf("failed to prepare transaction for tracing: %v", err)
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}
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st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
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if _, err = st.TransitionDb(common.Address{}); err != nil {
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t.Fatalf("failed to execute transaction: %v", err)
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}
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// Retrieve the trace result and compare against the etalon
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res, err := tracer.GetResult()
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if err != nil {
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t.Fatalf("failed to retrieve trace result: %v", err)
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}
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ret := new([]string)
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if err := json.Unmarshal(res, ret); err != nil {
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t.Fatalf("failed to unmarshal trace result: %v", err)
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}
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if !reflect.DeepEqual(*ret, test.Result) {
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// uncomment this for easier debugging
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//have, _ := json.MarshalIndent(ret, "", " ")
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//want, _ := json.MarshalIndent(test.Result, "", " ")
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//t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", string(have), string(want))
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t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", *ret, test.Result)
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}
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})
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}
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}
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func TestContractTracer(t *testing.T) {
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testContractTracer("contractTracer", "contract_tracer", t)
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}
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