go-ethereum/core/tracing/journal_test.go

69 lines
2.2 KiB
Go

package tracing
import (
"errors"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
)
type testTracer struct {
bal *big.Int
nonce uint64
}
func (t *testTracer) OnBalanceChange(addr common.Address, prev *big.Int, new *big.Int, reason BalanceChangeReason) {
t.bal = new
}
func (t *testTracer) OnNonceChange(addr common.Address, prev uint64, new uint64) {
t.nonce = new
}
func TestJournalIntegration(t *testing.T) {
tr := &testTracer{}
wr, err := WrapWithJournal(&Hooks{OnBalanceChange: tr.OnBalanceChange, OnNonceChange: tr.OnNonceChange})
if err != nil {
t.Fatalf("failed to wrap test tracer: %v", err)
}
addr := common.HexToAddress("0x1234")
wr.OnEnter(0, 0, addr, addr, nil, 1000, big.NewInt(0))
wr.OnBalanceChange(addr, nil, big.NewInt(100), BalanceChangeUnspecified)
wr.OnEnter(1, 0, addr, addr, nil, 1000, big.NewInt(0))
wr.OnNonceChange(addr, 0, 1)
wr.OnBalanceChange(addr, big.NewInt(100), big.NewInt(200), BalanceChangeUnspecified)
wr.OnBalanceChange(addr, big.NewInt(200), big.NewInt(250), BalanceChangeUnspecified)
wr.OnExit(0, nil, 100, errors.New("revert"), true)
wr.OnExit(0, nil, 150, nil, false)
if tr.bal.Cmp(big.NewInt(100)) != 0 {
t.Fatalf("unexpected balance: %v", tr.bal)
}
if tr.nonce != 0 {
t.Fatalf("unexpected nonce: %v", tr.nonce)
}
}
func TestJournalTopRevert(t *testing.T) {
tr := &testTracer{}
wr, err := WrapWithJournal(&Hooks{OnBalanceChange: tr.OnBalanceChange, OnNonceChange: tr.OnNonceChange})
if err != nil {
t.Fatalf("failed to wrap test tracer: %v", err)
}
addr := common.HexToAddress("0x1234")
wr.OnEnter(0, 0, addr, addr, nil, 1000, big.NewInt(0))
wr.OnBalanceChange(addr, big.NewInt(0), big.NewInt(100), BalanceChangeUnspecified)
wr.OnEnter(1, 0, addr, addr, nil, 1000, big.NewInt(0))
wr.OnNonceChange(addr, 0, 1)
wr.OnBalanceChange(addr, big.NewInt(100), big.NewInt(200), BalanceChangeUnspecified)
wr.OnBalanceChange(addr, big.NewInt(200), big.NewInt(250), BalanceChangeUnspecified)
wr.OnExit(0, nil, 100, errors.New("revert"), true)
wr.OnExit(0, nil, 150, errors.New("revert"), true)
if tr.bal.Cmp(big.NewInt(0)) != 0 {
t.Fatalf("unexpected balance: %v", tr.bal)
}
if tr.nonce != 0 {
t.Fatalf("unexpected nonce: %v", tr.nonce)
}
}