Exemplo n.º 1
0
func NewReadableBlockHeader(b *coin.BlockHeader) ReadableBlockHeader {
	return ReadableBlockHeader{
		BkSeq:             b.BkSeq,
		BlockHash:         b.Hash().Hex(),
		PreviousBlockHash: b.PrevHash.Hex(),
		Time:              b.Time,
		Fee:               b.Fee,
		Version:           b.Version,
		BodyHash:          b.BodyHash.Hex(),
	}
}
Exemplo n.º 2
0
func newBlockHeader(prev coin.BlockHeader, unspent coin.UnspentPool, currentTime,
	fee uint64, body coin.BlockBody) coin.BlockHeader {
	prevHash := prev.Hash()
	return coin.BlockHeader{
		BodyHash: body.Hash(),
		Version:  prev.Version,
		PrevHash: prevHash,
		Time:     currentTime,
		BkSeq:    prev.BkSeq + 1,
		Fee:      fee,
		UxHash:   getUxHash(unspent),
	}
}
Exemplo n.º 3
0
func TestVerifyBlockHeader(t *testing.T) {
	ft := FakeTree{}
	bc := NewBlockchain(&ft, nil)
	gb := bc.CreateGenesisBlock(genAddress, _genCoins, _genTime)
	b := coin.Block{Body: coin.BlockBody{}}
	b.Body.Transactions = append(b.Body.Transactions, makeTransaction(t))
	h := coin.BlockHeader{}

	h.BkSeq = 1
	h.Time = gb.Head.Time + 1
	h.PrevHash = gb.HashHeader()
	h.BodyHash = b.HashBody()

	// Valid header
	b.Head = h
	assert.Nil(t, bc.verifyBlockHeader(b))

	// Invalid bkSeq
	i := h
	i.BkSeq++
	b.Head = i
	assertError(t, bc.verifyBlockHeader(b), "BkSeq invalid")

	// Invalid time
	i = h
	i.Time = gb.Head.Time
	b.Head = i
	assertError(t, bc.verifyBlockHeader(b),
		"Block time must be > head time")
	b.Head.Time--
	assertError(t, bc.verifyBlockHeader(b),
		"Block time must be > head time")

	// Invalid prevHash
	i = h
	i.PrevHash = cipher.SHA256{}
	b.Head = i
	assertError(t, bc.verifyBlockHeader(b),
		"PrevHash does not match current head")

	// Invalid bodyHash
	i = h
	i.BodyHash = cipher.SHA256{}
	b.Head = i
	assertError(t, bc.verifyBlockHeader(b),
		"Computed body hash does not match")
}