Example #1
0
func CreateTestFactoidBlock(prev interfaces.IFBlock) interfaces.IFBlock {
	fBlock := CreateTestFactoidBlockWithCoinbase(prev, NewFactoidAddress(0), DefaultCoinbaseAmount)

	ecTx := new(factoid.Transaction)
	ecTx.AddInput(NewFactoidAddress(0), fBlock.GetExchRate()*100)
	ecTx.AddECOutput(NewECAddress(0), fBlock.GetExchRate()*100)
	ecTx.SetTimestamp(primitives.NewTimestampFromSeconds(60 * 10 * uint32(fBlock.GetDBHeight())))

	fee, err := ecTx.CalculateFee(1000)
	if err != nil {
		panic(err)
	}
	in, err := ecTx.GetInput(0)
	if err != nil {
		panic(err)
	}
	in.SetAmount(in.GetAmount() + fee)

	SignFactoidTransaction(0, ecTx)

	err = fBlock.AddTransaction(ecTx)
	if err != nil {
		panic(err)
	}

	return fBlock
}
Example #2
0
func CreateTestFactoidBlockWithCoinbase(prev interfaces.IFBlock, address interfaces.IAddress, amount uint64) interfaces.IFBlock {
	block := factoid.NewFBlock(prev)
	tx := new(factoid.Transaction)
	tx.AddOutput(address, amount)
	tx.SetTimestamp(primitives.NewTimestampFromSeconds(60 * 10 * uint32(block.GetDBHeight())))
	err := block.AddCoinbase(tx)
	if err != nil {
		panic(err)
	}
	return block
}
func createTestDirectoryBlockHeader() *DBlockHeader {
	header := new(DBlockHeader)

	header.SetDBHeight(1)
	header.SetBodyMR(primitives.Sha(primitives.NewZeroHash().Bytes()))
	header.SetBlockCount(0)
	header.SetNetworkID(constants.MAIN_NETWORK_ID)
	header.SetPrevFullHash(primitives.NewZeroHash())
	header.SetPrevKeyMR(primitives.NewZeroHash())
	header.SetTimestamp(primitives.NewTimestampFromSeconds(1234))
	header.SetVersion(1)

	return header
}
Example #4
0
func Test_Replay(test *testing.T) {

	type mh struct {
		hash [32]byte
		time interfaces.Timestamp
	}

	go func() {
		log.Println(http.ListenAndServe("localhost:6060", nil))
	}()

	XTrans := 61440 //102400000 //61440 //145000

	var mhs []*mh

	start := primitives.NewTimestampNow()
	now := primitives.NewTimestampNow()

	for i := 0; i < XTrans; i++ {

		if (i+1)%1000 == 0 {

			buckets := len(r.Buckets)
			bcnt := 0
			for _, b := range r.Buckets {
				bcnt += len(b)
			}
			secs := now.GetTimeSeconds() - start.GetTimeSeconds()
			fmt.Printf("Test in %d minute, %d buckets, %d elements, %d center\n", Minutes(secs), buckets, bcnt, r.Center)
			// Now replay all the transactions we have collected.  NONE of them
			// should work.

			for in := 0; in < 1000; in++ {
				i := rand.Int() % len(mhs)
				x := mhs[i]
				if r.IsTSValid_(constants.INTERNAL_REPLAY, x.hash, x.time, now) {
					fmt.Printf("Failed Repeat Test %d\n", i)
					test.Fail()
					return
				}
			}
			time.Sleep(10 * time.Millisecond)
		}

		if (i+1)%10000 == 0 {
			mhs = mhs[:0]
		}

		// We are going to remember some large set of transactions.
		x := new(mh)
		x.hash = primitives.Sha([]byte(fmt.Sprintf("h%d", i))).Fixed()
		mhs = append(mhs, x)

		// Build a valid transaction somewhere +/- span hours of now
		delta := int64(float32(spanMin*2) * rand.Float32())
		ntime := now.GetTimeSeconds()/60 - spanMin + delta
		x.time = primitives.NewTimestampFromSeconds(uint32(ntime * 60))

		if _, ok := r.Valid(constants.INTERNAL_REPLAY, x.hash, x.time, now); !ok {
			mnow := Minutes(now.GetTimeSeconds())
			mx := Minutes(x.time.GetTimeSeconds())
			fmt.Printf("Failed an element in the time range. Test %d element Time: %d now %d Diff %d\n", i, mx, mnow, mx-mnow)
			test.Fail()
			return
		}

		// The first time we test, it should be valid.
		if !r.IsTSValid_(constants.INTERNAL_REPLAY, x.hash, x.time, now) {
			fmt.Println("Failed Test ", i, "first")
			test.Fail()
			return
		}

		// An immediate replay!  Should fail!
		if r.IsTSValid_(constants.INTERNAL_REPLAY, x.hash, x.time, now) {
			fmt.Println("Failed Test ", i, "second")
			test.Fail()
			return
		}

		x = new(mh)
		x.hash = primitives.Sha([]byte(fmt.Sprintf("xh%d", i))).Fixed()

		// Build a invalid transaction > span in the past
		delta = now.GetTimeSeconds()/60 - spanMin + 1 + rand.Int63()%20
		ntime = now.GetTimeSeconds()/60 - delta
		x.time = primitives.NewTimestampFromSeconds(uint32(ntime * 60))

		// should not be valid
		if _, ok := r.Valid(constants.INTERNAL_REPLAY, x.hash, x.time, now); ok {
			mnow := Minutes(now.GetTimeSeconds())
			mx := Minutes(x.time.GetTimeSeconds())
			fmt.Printf("Okayed an element out of time range. Test %d element Time: %d now %d Diff %d\n", i, mx, mnow, mx-mnow)
			test.Fail()
			return
		}

		// The first time we test, it should not be valid.
		if r.IsTSValid_(constants.INTERNAL_REPLAY, x.hash, x.time, now) {
			fmt.Println("Failed Test ", i, "bad first")
			test.Fail()
			return
		}

		// Move time forward somewhere between 0 to 15 minutes
		now = primitives.NewTimestampFromMilliseconds(uint64(now.GetTimeMilli() + rand.Int63()%(speed)))

	}

	fmt.Println("Simulation ran from", time.Unix(start.GetTimeSeconds(), 0), "to", time.Unix(now.GetTimeSeconds(), 0))

}