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package core
import (
"fmt"
"os"
"path"
"reflect"
"runtime"
"strconv"
"testing"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/rlp"
)
//var Logger logpkg.LogSystem
//var Log = logpkg.NewLogger("TEST")
func init() {
runtime.GOMAXPROCS(runtime.NumCPU())
//Logger = logpkg.NewStdLogSystem(os.Stdout, log.LstdFlags, logpkg.DebugLevel)
//logpkg.AddLogSystem(Logger)
ethutil.ReadConfig("/tmp/ethtest", "/tmp/ethtest", "ETH")
db, err := ethdb.NewMemDatabase()
if err != nil {
panic("Could not create mem-db, failing")
}
ethutil.Config.Db = db
}
func loadChain(fn string, t *testing.T) (types.Blocks, error) {
fh, err := os.OpenFile(path.Join("..", "_data", fn), os.O_RDONLY, os.ModePerm)
if err != nil {
return nil, err
}
defer fh.Close()
var chain types.Blocks
if err := rlp.Decode(fh, &chain); err != nil {
return nil, err
}
return chain, nil
}
func insertChain(done chan bool, chainMan *ChainManager, chain types.Blocks, t *testing.T) {
err := chainMan.InsertChain(chain)
done <- true
if err != nil {
fmt.Println(err)
t.FailNow()
}
}
func TestChainInsertions(t *testing.T) {
chain1, err := loadChain("valid1", t)
if err != nil {
fmt.Println(err)
t.FailNow()
}
fmt.Println(len(chain1))
chain2, err := loadChain("valid2", t)
if err != nil {
fmt.Println(err)
t.FailNow()
}
var eventMux event.TypeMux
chainMan := NewChainManager(&eventMux)
txPool := NewTxPool(chainMan, &eventMux)
blockMan := NewBlockManager(txPool, chainMan, &eventMux)
chainMan.SetProcessor(blockMan)
const max = 2
done := make(chan bool, max)
go insertChain(done, chainMan, chain1, t)
go insertChain(done, chainMan, chain2, t)
for i := 0; i < max; i++ {
<-done
}
if reflect.DeepEqual(chain2[len(chain2)-1], chainMan.CurrentBlock()) {
t.Error("chain2 is canonical and shouldn't be")
}
if !reflect.DeepEqual(chain1[len(chain1)-1], chainMan.CurrentBlock()) {
t.Error("chain1 isn't canonical and should be")
}
}
func TestChainMultipleInsertions(t *testing.T) {
const max = 4
chains := make([]types.Blocks, max)
var longest int
for i := 0; i < max; i++ {
var err error
name := "valid" + strconv.Itoa(i+1)
chains[i], err = loadChain(name, t)
if len(chains[i]) >= len(chains[longest]) {
longest = i
}
fmt.Println("loaded", name, "with a length of", len(chains[i]))
if err != nil {
fmt.Println(err)
t.FailNow()
}
}
var eventMux event.TypeMux
chainMan := NewChainManager(&eventMux)
txPool := NewTxPool(chainMan, &eventMux)
blockMan := NewBlockManager(txPool, chainMan, &eventMux)
chainMan.SetProcessor(blockMan)
done := make(chan bool, max)
for i, chain := range chains {
var i int = i
go func() {
insertChain(done, chainMan, chain, t)
fmt.Println(i, "done")
}()
}
for i := 0; i < max; i++ {
<-done
}
if !reflect.DeepEqual(chains[longest][len(chains[longest])-1], chainMan.CurrentBlock()) {
t.Error("Invalid canonical chain")
}
}
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