From 5f70f9fd37b14c6c8021cd277f9d620dbef7583b Mon Sep 17 00:00:00 2001 From: Martin Holst Swende Date: Fri, 21 Oct 2022 17:55:15 +0200 Subject: [PATCH] eth/tracers: simplify test framework (#25973) Co-authored-by: Sina Mahmoodi --- .../internal/tracetest/calltrace_test.go | 49 ++++++----- .../internal/tracetest/prestate_test.go | 53 ++++++------ .../testdata/prestate_tracer/simple.json | 3 +- .../prestate_tracer_legacy/simple.json | 84 +++++++++++++++++++ eth/tracers/internal/tracetest/util.go | 18 ---- .../js/internal/tracers/call_tracer_legacy.js | 1 - eth/tracers/native/gen_account_json.go | 18 ++-- eth/tracers/native/prestate.go | 6 +- 8 files changed, 150 insertions(+), 82 deletions(-) create mode 100644 eth/tracers/internal/tracetest/testdata/prestate_tracer_legacy/simple.json diff --git a/eth/tracers/internal/tracetest/calltrace_test.go b/eth/tracers/internal/tracetest/calltrace_test.go index 215b657c2..de6b3f9bf 100644 --- a/eth/tracers/internal/tracetest/calltrace_test.go +++ b/eth/tracers/internal/tracetest/calltrace_test.go @@ -48,17 +48,18 @@ type callContext struct { // callTrace is the result of a callTracer run. type callTrace struct { - Type string `json:"type"` From common.Address `json:"from"` - To common.Address `json:"to"` + Gas *hexutil.Uint64 `json:"gas"` + GasUsed *hexutil.Uint64 `json:"gasUsed"` + To common.Address `json:"to,omitempty"` Input hexutil.Bytes `json:"input"` - Output hexutil.Bytes `json:"output"` - Gas *hexutil.Uint64 `json:"gas,omitempty"` - GasUsed *hexutil.Uint64 `json:"gasUsed,omitempty"` - Value *hexutil.Big `json:"value,omitempty"` + Output hexutil.Bytes `json:"output,omitempty"` Error string `json:"error,omitempty"` Revertal string `json:"revertReason,omitempty"` Calls []callTrace `json:"calls,omitempty"` + Value *hexutil.Big `json:"value,omitempty"` + // Gencodec adds overridden fields at the end + Type string `json:"type"` } // callTracerTest defines a single test to check the call tracer against. @@ -144,17 +145,21 @@ func testCallTracer(tracerName string, dirPath string, t *testing.T) { if err != nil { t.Fatalf("failed to retrieve trace result: %v", err) } - ret := new(callTrace) - if err := json.Unmarshal(res, ret); err != nil { - t.Fatalf("failed to unmarshal trace result: %v", err) + // The legacy javascript calltracer marshals json in js, which + // is not deterministic (as opposed to the golang json encoder). + if strings.HasSuffix(dirPath, "_legacy") { + // This is a tweak to make it deterministic. Can be removed when + // we remove the legacy tracer. + var x callTrace + json.Unmarshal(res, &x) + res, _ = json.Marshal(x) } - - if !jsonEqual(ret, test.Result, new(callTrace), new(callTrace)) { - // uncomment this for easier debugging - //have, _ := json.MarshalIndent(ret, "", " ") - //want, _ := json.MarshalIndent(test.Result, "", " ") - //t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", string(have), string(want)) - t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", ret, test.Result) + want, err := json.Marshal(test.Result) + if err != nil { + t.Fatalf("failed to marshal test: %v", err) + } + if string(want) != string(res) { + t.Fatalf("trace mismatch\n have: %v\n want: %v\n", string(res), string(want)) } }) } @@ -298,14 +303,8 @@ func TestZeroValueToNotExitCall(t *testing.T) { if err != nil { t.Fatalf("failed to retrieve trace result: %v", err) } - have := new(callTrace) - if err := json.Unmarshal(res, have); err != nil { - t.Fatalf("failed to unmarshal trace result: %v", err) - } - wantStr := `{"type":"CALL","from":"0x682a80a6f560eec50d54e63cbeda1c324c5f8d1b","to":"0x00000000000000000000000000000000deadbeef","value":"0x0","gas":"0x7148","gasUsed":"0x2d0","input":"0x","output":"0x","calls":[{"type":"CALL","from":"0x00000000000000000000000000000000deadbeef","to":"0x00000000000000000000000000000000000000ff","value":"0x0","gas":"0x6cbf","gasUsed":"0x0","input":"0x","output":"0x"}]}` - want := new(callTrace) - json.Unmarshal([]byte(wantStr), want) - if !jsonEqual(have, want, new(callTrace), new(callTrace)) { - t.Error("have != want") + wantStr := `{"from":"0x682a80a6f560eec50d54e63cbeda1c324c5f8d1b","gas":"0x7148","gasUsed":"0x2d0","to":"0x00000000000000000000000000000000deadbeef","input":"0x","calls":[{"from":"0x00000000000000000000000000000000deadbeef","gas":"0x6cbf","gasUsed":"0x0","to":"0x00000000000000000000000000000000000000ff","input":"0x","value":"0x0","type":"CALL"}],"value":"0x0","type":"CALL"}` + if string(res) != wantStr { + t.Fatalf("trace mismatch\n have: %v\n want: %v\n", string(res), wantStr) } } diff --git a/eth/tracers/internal/tracetest/prestate_test.go b/eth/tracers/internal/tracetest/prestate_test.go index 446c79254..9227aff94 100644 --- a/eth/tracers/internal/tracetest/prestate_test.go +++ b/eth/tracers/internal/tracetest/prestate_test.go @@ -35,19 +35,16 @@ import ( // prestateTrace is the result of a prestateTrace run. type prestateTrace = map[common.Address]*account + type account struct { - Balance string `json:"balance,omitempty"` - Nonce uint64 `json:"nonce,omitempty"` - Code string `json:"code,omitempty"` - Storage map[common.Hash]common.Hash `json:"storage,omitempty"` -} -type prePostStateTrace struct { - Pre prestateTrace `json:"pre"` - Post prestateTrace `json:"post"` + Balance string `json:"balance"` + Code string `json:"code"` + Nonce uint64 `json:"nonce"` + Storage map[common.Hash]common.Hash `json:"storage"` } -// prestateTraceTest defines a single test to check the stateDiff tracer against. -type prestateTraceTest struct { +// testcase defines a single test to check the stateDiff tracer against. +type testcase struct { Genesis *core.Genesis `json:"genesis"` Context *callContext `json:"context"` Input string `json:"input"` @@ -55,15 +52,19 @@ type prestateTraceTest struct { Result interface{} `json:"result"` } +func TestPrestateTracerLegacy(t *testing.T) { + testPrestateDiffTracer("prestateTracerLegacy", "prestate_tracer_legacy", t) +} + func TestPrestateTracer(t *testing.T) { - testPrestateDiffTracer("prestateTracer", "prestate_tracer", t, func() interface{} { return new(prestateTrace) }) + testPrestateDiffTracer("prestateTracer", "prestate_tracer", t) } func TestPrestateWithDiffModeTracer(t *testing.T) { - testPrestateDiffTracer("prestateTracer", "prestate_tracer_with_diff_mode", t, func() interface{} { return new(prePostStateTrace) }) + testPrestateDiffTracer("prestateTracer", "prestate_tracer_with_diff_mode", t) } -func testPrestateDiffTracer(tracerName string, dirPath string, t *testing.T, typeBuilder func() interface{}) { +func testPrestateDiffTracer(tracerName string, dirPath string, t *testing.T) { files, err := os.ReadDir(filepath.Join("testdata", dirPath)) if err != nil { t.Fatalf("failed to retrieve tracer test suite: %v", err) @@ -77,7 +78,7 @@ func testPrestateDiffTracer(tracerName string, dirPath string, t *testing.T, typ t.Parallel() var ( - test = new(prestateTraceTest) + test = new(testcase) tx = new(types.Transaction) ) // Call tracer test found, read if from disk @@ -127,17 +128,21 @@ func testPrestateDiffTracer(tracerName string, dirPath string, t *testing.T, typ if err != nil { t.Fatalf("failed to retrieve trace result: %v", err) } - ret := typeBuilder() - if err := json.Unmarshal(res, ret); err != nil { - t.Fatalf("failed to unmarshal trace result: %v", err) + // The legacy javascript calltracer marshals json in js, which + // is not deterministic (as opposed to the golang json encoder). + if strings.HasSuffix(dirPath, "_legacy") { + // This is a tweak to make it deterministic. Can be removed when + // we remove the legacy tracer. + var x prestateTrace + json.Unmarshal(res, &x) + res, _ = json.Marshal(x) } - - if !jsonEqual(ret, test.Result, typeBuilder(), typeBuilder()) { - // uncomment this for easier debugging - // have, _ := json.MarshalIndent(ret, "", " ") - // want, _ := json.MarshalIndent(test.Result, "", " ") - // t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", string(have), string(want)) - t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", ret, test.Result) + want, err := json.Marshal(test.Result) + if err != nil { + t.Fatalf("failed to marshal test: %v", err) + } + if string(want) != string(res) { + t.Fatalf("trace mismatch\n have: %v\n want: %v\n", string(res), string(want)) } }) } diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer/simple.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer/simple.json index 3ed27dc43..7204bfcbf 100644 --- a/eth/tracers/internal/tracetest/testdata/prestate_tracer/simple.json +++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer/simple.json @@ -77,8 +77,7 @@ "nonce": 29072 }, "0x1585936b53834b021f68cc13eeefdec2efc8e724": { - "balance": "0x0", - "nonce": 0 + "balance": "0x0" } } } diff --git a/eth/tracers/internal/tracetest/testdata/prestate_tracer_legacy/simple.json b/eth/tracers/internal/tracetest/testdata/prestate_tracer_legacy/simple.json new file mode 100644 index 000000000..44b1f08dd --- /dev/null +++ b/eth/tracers/internal/tracetest/testdata/prestate_tracer_legacy/simple.json @@ -0,0 +1,84 @@ +{ + "context": { + "difficulty": "3502894804", + "gasLimit": "4722976", + "miner": "0x1585936b53834b021f68cc13eeefdec2efc8e724", + "number": "2289806", + "timestamp": "1513601314" + }, + "genesis": { + "alloc": { + "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": { + "balance": "0x0", + "code": "0x", + "nonce": "22", + "storage": {} + }, + "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe": { + "balance": "0x4d87094125a369d9bd5", + "code": 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+ "nonce": "1", + "storage": { + "0x0000000000000000000000000000000000000000000000000000000000000000": "0x000000000000000000000001b436ba50d378d4bbc8660d312a13df6af6e89dfb", + "0x0000000000000000000000000000000000000000000000000000000000000001": "0x00000000000000000000000000000000000000000000000006f05b59d3b20000", + "0x0000000000000000000000000000000000000000000000000000000000000002": "0x000000000000000000000000000000000000000000000000000000000000003c", + "0x0000000000000000000000000000000000000000000000000000000000000003": "0x000000000000000000000000000000000000000000000000000000005a37b834" + } + }, + "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb": { + "balance": "0x1780d77678137ac1b775", + "code": "0x", + "nonce": "29072", + "storage": {} + } + }, + "config": { + "byzantiumBlock": 1700000, + "chainId": 3, + "daoForkSupport": true, + "eip150Block": 0, + "eip150Hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d", + "eip155Block": 10, + "eip158Block": 10, + "ethash": {}, + "homesteadBlock": 0 + }, + "difficulty": "3509749784", + "extraData": "0x4554482e45544846414e532e4f52472d4641313738394444", + "gasLimit": "4727564", + "hash": "0x609948ac3bd3c00b7736b933248891d6c901ee28f066241bddb28f4e00a9f440", + "miner": "0xbbf5029fd710d227630c8b7d338051b8e76d50b3", + "mixHash": "0xb131e4507c93c7377de00e7c271bf409ec7492767142ff0f45c882f8068c2ada", + "nonce": "0x4eb12e19c16d43da", + "number": "2289805", + "stateRoot": "0xc7f10f352bff82fac3c2999d3085093d12652e19c7fd32591de49dc5d91b4f1f", + "timestamp": "1513601261", + "totalDifficulty": "7143276353481064" + }, + "input": "0xf88b8271908506fc23ac0083015f90943b873a919aa0512d5a0f09e6dcceaa4a6727fafe80a463e4bff40000000000000000000000000024f658a46fbb89d8ac105e98d7ac7cbbaf27c52aa0bdce0b59e8761854e857fe64015f06dd08a4fbb7624f6094893a79a72e6ad6bea01d9dde033cff7bb235a3163f348a6d7ab8d6b52bc0963a95b91612e40ca766a4", + "result": { + "0x0024f658a46fbb89d8ac105e98d7ac7cbbaf27c5": { + "balance": "0x0", + "code": "0x", + "nonce": 22, + "storage": {} + }, + "0x3b873a919aa0512d5a0f09e6dcceaa4a6727fafe": { + "balance": "0x4d87094125a369d9bd5", + "code": 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+ "nonce": 1, + "storage": { + "0x0000000000000000000000000000000000000000000000000000000000000000": "0x000000000000000000000001b436ba50d378d4bbc8660d312a13df6af6e89dfb", + "0x0000000000000000000000000000000000000000000000000000000000000001": "0x00000000000000000000000000000000000000000000000006f05b59d3b20000", + "0x0000000000000000000000000000000000000000000000000000000000000002": "0x000000000000000000000000000000000000000000000000000000000000003c", + "0x0000000000000000000000000000000000000000000000000000000000000003": "0x000000000000000000000000000000000000000000000000000000005a37b834" + } + }, + "0xb436ba50d378d4bbc8660d312a13df6af6e89dfb": { + "balance": "0x1780d77678137ac1b775", + "code": "0x", + "nonce": 29072, + "storage": {} + } + } +} diff --git a/eth/tracers/internal/tracetest/util.go b/eth/tracers/internal/tracetest/util.go index f56d9246b..95d292c92 100644 --- a/eth/tracers/internal/tracetest/util.go +++ b/eth/tracers/internal/tracetest/util.go @@ -1,8 +1,6 @@ package tracetest import ( - "encoding/json" - "reflect" "strings" "unicode" @@ -64,22 +62,6 @@ var makeTest = function(tx, rewind) { } */ -// jsonEqual is similar to reflect.DeepEqual, but does a 'bounce' via json prior to -// comparison -func jsonEqual(xi, yi, xt, yt interface{}) bool { - if xj, err := json.Marshal(xi); err == nil { - json.Unmarshal(xj, xt) - } else { - return false - } - if yj, err := json.Marshal(yi); err == nil { - json.Unmarshal(yj, yt) - } else { - return false - } - return reflect.DeepEqual(xt, yt) -} - // camel converts a snake cased input string into a camel cased output. func camel(str string) string { pieces := strings.Split(str, "_") diff --git a/eth/tracers/js/internal/tracers/call_tracer_legacy.js b/eth/tracers/js/internal/tracers/call_tracer_legacy.js index 3ca737773..b9e555df8 100644 --- a/eth/tracers/js/internal/tracers/call_tracer_legacy.js +++ b/eth/tracers/js/internal/tracers/call_tracer_legacy.js @@ -204,7 +204,6 @@ gasUsed: '0x' + bigInt(ctx.gasUsed).toString(16), input: toHex(ctx.input), output: toHex(ctx.output), - time: ctx.time, }; if (this.callstack[0].calls !== undefined) { result.calls = this.callstack[0].calls; diff --git a/eth/tracers/native/gen_account_json.go b/eth/tracers/native/gen_account_json.go index 070fd7d93..4c39cbc38 100644 --- a/eth/tracers/native/gen_account_json.go +++ b/eth/tracers/native/gen_account_json.go @@ -16,14 +16,14 @@ var _ = (*accountMarshaling)(nil) func (a account) MarshalJSON() ([]byte, error) { type account struct { Balance *hexutil.Big `json:"balance,omitempty"` - Nonce uint64 `json:"nonce,omitempty"` Code hexutil.Bytes `json:"code,omitempty"` + Nonce uint64 `json:"nonce,omitempty"` Storage map[common.Hash]common.Hash `json:"storage,omitempty"` } var enc account enc.Balance = (*hexutil.Big)(a.Balance) - enc.Nonce = a.Nonce enc.Code = a.Code + enc.Nonce = a.Nonce enc.Storage = a.Storage return json.Marshal(&enc) } @@ -31,10 +31,10 @@ func (a account) MarshalJSON() ([]byte, error) { // UnmarshalJSON unmarshals from JSON. func (a *account) UnmarshalJSON(input []byte) error { type account struct { - Balance *hexutil.Big `json:"balance"` - Nonce *uint64 `json:"nonce"` - Code *hexutil.Bytes `json:"code"` - Storage map[common.Hash]common.Hash `json:"storage"` + Balance *hexutil.Big `json:"balance,omitempty"` + Code *hexutil.Bytes `json:"code,omitempty"` + Nonce *uint64 `json:"nonce,omitempty"` + Storage map[common.Hash]common.Hash `json:"storage,omitempty"` } var dec account if err := json.Unmarshal(input, &dec); err != nil { @@ -43,12 +43,12 @@ func (a *account) UnmarshalJSON(input []byte) error { if dec.Balance != nil { a.Balance = (*big.Int)(dec.Balance) } - if dec.Nonce != nil { - a.Nonce = *dec.Nonce - } if dec.Code != nil { a.Code = *dec.Code } + if dec.Nonce != nil { + a.Nonce = *dec.Nonce + } if dec.Storage != nil { a.Storage = dec.Storage } diff --git a/eth/tracers/native/prestate.go b/eth/tracers/native/prestate.go index d50d00c6f..f06ca8059 100644 --- a/eth/tracers/native/prestate.go +++ b/eth/tracers/native/prestate.go @@ -40,8 +40,8 @@ type state = map[common.Address]*account type account struct { Balance *big.Int `json:"balance,omitempty"` - Nonce uint64 `json:"nonce,omitempty"` Code []byte `json:"code,omitempty"` + Nonce uint64 `json:"nonce,omitempty"` Storage map[common.Hash]common.Hash `json:"storage,omitempty"` } @@ -253,9 +253,9 @@ func (t *prestateTracer) GetResult() (json.RawMessage, error) { var err error if t.config.DiffMode { res, err = json.Marshal(struct { - Pre state `json:"pre"` Post state `json:"post"` - }{t.pre, t.post}) + Pre state `json:"pre"` + }{t.post, t.pre}) } else { res, err = json.Marshal(t.pre) }