forked from cerc-io/plugeth
117 lines
2.3 KiB
Go
117 lines
2.3 KiB
Go
package core
|
|
|
|
import (
|
|
"fmt"
|
|
"math/big"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/chain/types"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/ethutil"
|
|
"github.com/ethereum/go-ethereum/state"
|
|
)
|
|
|
|
var TD *big.Int
|
|
|
|
func init() {
|
|
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
|
|
ethutil.Config.Db, _ = ethdb.NewMemDatabase()
|
|
}
|
|
|
|
type fakeproc struct {
|
|
}
|
|
|
|
func (self fakeproc) ProcessWithParent(a, b *types.Block) (*big.Int, state.Messages, error) {
|
|
TD = new(big.Int).Add(TD, big.NewInt(1))
|
|
return TD, nil, nil
|
|
}
|
|
|
|
func makechain(cman *ChainManager, max int) *BlockChain {
|
|
blocks := make(types.Blocks, max)
|
|
for i := 0; i < max; i++ {
|
|
addr := ethutil.LeftPadBytes([]byte{byte(i)}, 20)
|
|
block := cman.NewBlock(addr)
|
|
if i != 0 {
|
|
cman.CurrentBlock = blocks[i-1]
|
|
}
|
|
blocks[i] = block
|
|
}
|
|
return NewChain(blocks)
|
|
}
|
|
|
|
func TestLongerFork(t *testing.T) {
|
|
cman := NewChainManager()
|
|
cman.SetProcessor(fakeproc{})
|
|
|
|
TD = big.NewInt(1)
|
|
chainA := makechain(cman, 5)
|
|
|
|
TD = big.NewInt(1)
|
|
chainB := makechain(cman, 10)
|
|
|
|
td, err := cman.TestChain(chainA)
|
|
if err != nil {
|
|
t.Error("unable to create new TD from chainA:", err)
|
|
}
|
|
cman.TD = td
|
|
|
|
_, err = cman.TestChain(chainB)
|
|
if err != nil {
|
|
t.Error("expected chainB not to give errors:", err)
|
|
}
|
|
}
|
|
|
|
func TestEqualFork(t *testing.T) {
|
|
cman := NewChainManager()
|
|
cman.SetProcessor(fakeproc{})
|
|
|
|
TD = big.NewInt(1)
|
|
chainA := makechain(cman, 5)
|
|
|
|
TD = big.NewInt(2)
|
|
chainB := makechain(cman, 5)
|
|
|
|
td, err := cman.TestChain(chainA)
|
|
if err != nil {
|
|
t.Error("unable to create new TD from chainA:", err)
|
|
}
|
|
cman.TD = td
|
|
|
|
_, err = cman.TestChain(chainB)
|
|
if err != nil {
|
|
t.Error("expected chainB not to give errors:", err)
|
|
}
|
|
}
|
|
|
|
func TestBrokenChain(t *testing.T) {
|
|
cman := NewChainManager()
|
|
cman.SetProcessor(fakeproc{})
|
|
|
|
TD = big.NewInt(1)
|
|
chain := makechain(cman, 5)
|
|
chain.Remove(chain.Front())
|
|
|
|
_, err := cman.TestChain(chain)
|
|
if err == nil {
|
|
t.Error("expected broken chain to return error")
|
|
}
|
|
}
|
|
|
|
func BenchmarkChainTesting(b *testing.B) {
|
|
const chainlen = 1000
|
|
|
|
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
|
|
ethutil.Config.Db, _ = ethdb.NewMemDatabase()
|
|
|
|
cman := NewChainManager()
|
|
cman.SetProcessor(fakeproc{})
|
|
|
|
TD = big.NewInt(1)
|
|
chain := makechain(cman, chainlen)
|
|
|
|
stime := time.Now()
|
|
cman.TestChain(chain)
|
|
fmt.Println(chainlen, "took", time.Since(stime))
|
|
}
|