eth/tracers: package restructuring (#23857)
* eth/tracers: restructure tracer package * core/vm/runtime: load js tracers * eth/tracers: mv bigint js code to own file * eth/tracers: add method docs for native tracers * eth/tracers: minor doc fix * core,eth: cancel evm on nativecalltracer stop * core/vm: fix failing test Co-authored-by: Sina Mahmoodi <itz.s1na@gmail.com>
This commit is contained in:
Martin Holst Swende
committed by
GitHub
GitHub
parent
9489853321
commit
6b9c77f060
@ -17,11 +17,7 @@
|
||||
package tracers
|
||||
|
||||
import (
|
||||
"crypto/ecdsa"
|
||||
"crypto/rand"
|
||||
"encoding/json"
|
||||
"math/big"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
@ -35,56 +31,6 @@ import (
|
||||
"github.com/ethereum/go-ethereum/tests"
|
||||
)
|
||||
|
||||
// To generate a new callTracer test, copy paste the makeTest method below into
|
||||
// a Geth console and call it with a transaction hash you which to export.
|
||||
|
||||
/*
|
||||
// makeTest generates a callTracer test by running a prestate reassembled and a
|
||||
// call trace run, assembling all the gathered information into a test case.
|
||||
var makeTest = function(tx, rewind) {
|
||||
// Generate the genesis block from the block, transaction and prestate data
|
||||
var block = eth.getBlock(eth.getTransaction(tx).blockHash);
|
||||
var genesis = eth.getBlock(block.parentHash);
|
||||
|
||||
delete genesis.gasUsed;
|
||||
delete genesis.logsBloom;
|
||||
delete genesis.parentHash;
|
||||
delete genesis.receiptsRoot;
|
||||
delete genesis.sha3Uncles;
|
||||
delete genesis.size;
|
||||
delete genesis.transactions;
|
||||
delete genesis.transactionsRoot;
|
||||
delete genesis.uncles;
|
||||
|
||||
genesis.gasLimit = genesis.gasLimit.toString();
|
||||
genesis.number = genesis.number.toString();
|
||||
genesis.timestamp = genesis.timestamp.toString();
|
||||
|
||||
genesis.alloc = debug.traceTransaction(tx, {tracer: "prestateTracer", rewind: rewind});
|
||||
for (var key in genesis.alloc) {
|
||||
genesis.alloc[key].nonce = genesis.alloc[key].nonce.toString();
|
||||
}
|
||||
genesis.config = admin.nodeInfo.protocols.eth.config;
|
||||
|
||||
// Generate the call trace and produce the test input
|
||||
var result = debug.traceTransaction(tx, {tracer: "callTracer", rewind: rewind});
|
||||
delete result.time;
|
||||
|
||||
console.log(JSON.stringify({
|
||||
genesis: genesis,
|
||||
context: {
|
||||
number: block.number.toString(),
|
||||
difficulty: block.difficulty,
|
||||
timestamp: block.timestamp.toString(),
|
||||
gasLimit: block.gasLimit.toString(),
|
||||
miner: block.miner,
|
||||
},
|
||||
input: eth.getRawTransaction(tx),
|
||||
result: result,
|
||||
}, null, 2));
|
||||
}
|
||||
*/
|
||||
|
||||
// callTrace is the result of a callTracer run.
|
||||
type callTrace struct {
|
||||
Type string `json:"type"`
|
||||
@ -99,184 +45,6 @@ type callTrace struct {
|
||||
Calls []callTrace `json:"calls,omitempty"`
|
||||
}
|
||||
|
||||
// TestZeroValueToNotExitCall tests the calltracer(s) on the following:
|
||||
// Tx to A, A calls B with zero value. B does not already exist.
|
||||
// Expected: that enter/exit is invoked and the inner call is shown in the result
|
||||
func TestZeroValueToNotExitCall(t *testing.T) {
|
||||
var to = common.HexToAddress("0x00000000000000000000000000000000deadbeef")
|
||||
privkey, err := crypto.HexToECDSA("0000000000000000deadbeef00000000000000000000000000000000deadbeef")
|
||||
if err != nil {
|
||||
t.Fatalf("err %v", err)
|
||||
}
|
||||
signer := types.NewEIP155Signer(big.NewInt(1))
|
||||
tx, err := types.SignNewTx(privkey, signer, &types.LegacyTx{
|
||||
GasPrice: big.NewInt(0),
|
||||
Gas: 50000,
|
||||
To: &to,
|
||||
})
|
||||
if err != nil {
|
||||
t.Fatalf("err %v", err)
|
||||
}
|
||||
origin, _ := signer.Sender(tx)
|
||||
txContext := vm.TxContext{
|
||||
Origin: origin,
|
||||
GasPrice: big.NewInt(1),
|
||||
}
|
||||
context := vm.BlockContext{
|
||||
CanTransfer: core.CanTransfer,
|
||||
Transfer: core.Transfer,
|
||||
Coinbase: common.Address{},
|
||||
BlockNumber: new(big.Int).SetUint64(8000000),
|
||||
Time: new(big.Int).SetUint64(5),
|
||||
Difficulty: big.NewInt(0x30000),
|
||||
GasLimit: uint64(6000000),
|
||||
}
|
||||
var code = []byte{
|
||||
byte(vm.PUSH1), 0x0, byte(vm.DUP1), byte(vm.DUP1), byte(vm.DUP1), // in and outs zero
|
||||
byte(vm.DUP1), byte(vm.PUSH1), 0xff, byte(vm.GAS), // value=0,address=0xff, gas=GAS
|
||||
byte(vm.CALL),
|
||||
}
|
||||
var alloc = core.GenesisAlloc{
|
||||
to: core.GenesisAccount{
|
||||
Nonce: 1,
|
||||
Code: code,
|
||||
},
|
||||
origin: core.GenesisAccount{
|
||||
Nonce: 0,
|
||||
Balance: big.NewInt(500000000000000),
|
||||
},
|
||||
}
|
||||
_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), alloc, false)
|
||||
// Create the tracer, the EVM environment and run it
|
||||
tracer, err := New("callTracerJs", new(Context))
|
||||
if err != nil {
|
||||
t.Fatalf("failed to create call tracer: %v", err)
|
||||
}
|
||||
evm := vm.NewEVM(context, txContext, statedb, params.MainnetChainConfig, vm.Config{Debug: true, Tracer: tracer})
|
||||
msg, err := tx.AsMessage(signer, nil)
|
||||
if err != nil {
|
||||
t.Fatalf("failed to prepare transaction for tracing: %v", err)
|
||||
}
|
||||
st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
|
||||
if _, err = st.TransitionDb(); err != nil {
|
||||
t.Fatalf("failed to execute transaction: %v", err)
|
||||
}
|
||||
// Retrieve the trace result and compare against the etalon
|
||||
res, err := tracer.GetResult()
|
||||
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) {
|
||||
t.Error("have != want")
|
||||
}
|
||||
}
|
||||
|
||||
func TestPrestateTracerCreate2(t *testing.T) {
|
||||
unsignedTx := types.NewTransaction(1, common.HexToAddress("0x00000000000000000000000000000000deadbeef"),
|
||||
new(big.Int), 5000000, big.NewInt(1), []byte{})
|
||||
|
||||
privateKeyECDSA, err := ecdsa.GenerateKey(crypto.S256(), rand.Reader)
|
||||
if err != nil {
|
||||
t.Fatalf("err %v", err)
|
||||
}
|
||||
signer := types.NewEIP155Signer(big.NewInt(1))
|
||||
tx, err := types.SignTx(unsignedTx, signer, privateKeyECDSA)
|
||||
if err != nil {
|
||||
t.Fatalf("err %v", err)
|
||||
}
|
||||
/**
|
||||
This comes from one of the test-vectors on the Skinny Create2 - EIP
|
||||
|
||||
address 0x00000000000000000000000000000000deadbeef
|
||||
salt 0x00000000000000000000000000000000000000000000000000000000cafebabe
|
||||
init_code 0xdeadbeef
|
||||
gas (assuming no mem expansion): 32006
|
||||
result: 0x60f3f640a8508fC6a86d45DF051962668E1e8AC7
|
||||
*/
|
||||
origin, _ := signer.Sender(tx)
|
||||
txContext := vm.TxContext{
|
||||
Origin: origin,
|
||||
GasPrice: big.NewInt(1),
|
||||
}
|
||||
context := vm.BlockContext{
|
||||
CanTransfer: core.CanTransfer,
|
||||
Transfer: core.Transfer,
|
||||
Coinbase: common.Address{},
|
||||
BlockNumber: new(big.Int).SetUint64(8000000),
|
||||
Time: new(big.Int).SetUint64(5),
|
||||
Difficulty: big.NewInt(0x30000),
|
||||
GasLimit: uint64(6000000),
|
||||
}
|
||||
alloc := core.GenesisAlloc{}
|
||||
|
||||
// The code pushes 'deadbeef' into memory, then the other params, and calls CREATE2, then returns
|
||||
// the address
|
||||
alloc[common.HexToAddress("0x00000000000000000000000000000000deadbeef")] = core.GenesisAccount{
|
||||
Nonce: 1,
|
||||
Code: hexutil.MustDecode("0x63deadbeef60005263cafebabe6004601c6000F560005260206000F3"),
|
||||
Balance: big.NewInt(1),
|
||||
}
|
||||
alloc[origin] = core.GenesisAccount{
|
||||
Nonce: 1,
|
||||
Code: []byte{},
|
||||
Balance: big.NewInt(500000000000000),
|
||||
}
|
||||
_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), alloc, false)
|
||||
|
||||
// Create the tracer, the EVM environment and run it
|
||||
tracer, err := New("prestateTracer", new(Context))
|
||||
if err != nil {
|
||||
t.Fatalf("failed to create call tracer: %v", err)
|
||||
}
|
||||
evm := vm.NewEVM(context, txContext, statedb, params.MainnetChainConfig, vm.Config{Debug: true, Tracer: tracer})
|
||||
|
||||
msg, err := tx.AsMessage(signer, nil)
|
||||
if err != nil {
|
||||
t.Fatalf("failed to prepare transaction for tracing: %v", err)
|
||||
}
|
||||
st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
|
||||
if _, err = st.TransitionDb(); err != nil {
|
||||
t.Fatalf("failed to execute transaction: %v", err)
|
||||
}
|
||||
// Retrieve the trace result and compare against the etalon
|
||||
res, err := tracer.GetResult()
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve trace result: %v", err)
|
||||
}
|
||||
ret := make(map[string]interface{})
|
||||
if err := json.Unmarshal(res, &ret); err != nil {
|
||||
t.Fatalf("failed to unmarshal trace result: %v", err)
|
||||
}
|
||||
if _, has := ret["0x60f3f640a8508fc6a86d45df051962668e1e8ac7"]; !has {
|
||||
t.Fatalf("Expected 0x60f3f640a8508fc6a86d45df051962668e1e8ac7 in result")
|
||||
}
|
||||
}
|
||||
|
||||
// jsonEqual is similar to reflect.DeepEqual, but does a 'bounce' via json prior to
|
||||
// comparison
|
||||
func jsonEqual(x, y interface{}) bool {
|
||||
xTrace := new(callTrace)
|
||||
yTrace := new(callTrace)
|
||||
if xj, err := json.Marshal(x); err == nil {
|
||||
json.Unmarshal(xj, xTrace)
|
||||
} else {
|
||||
return false
|
||||
}
|
||||
if yj, err := json.Marshal(y); err == nil {
|
||||
json.Unmarshal(yj, yTrace)
|
||||
} else {
|
||||
return false
|
||||
}
|
||||
return reflect.DeepEqual(xTrace, yTrace)
|
||||
}
|
||||
|
||||
func BenchmarkTransactionTrace(b *testing.B) {
|
||||
key, _ := crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
|
||||
from := crypto.PubkeyToAddress(key.PublicKey)
|
||||
|
||||
Reference in New Issue
Block a user