Esempio n. 1
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func TestBlockBodyHash(t *testing.T) {
	b := makeNewBlock()
	hashes := b.Body.Transactions.Hashes()
	assert.Equal(t, b.Body.Hash(), cipher.Merkle(hashes))
	tx1 := addTransactionToBlock(t, &b)
	hashes = append(hashes, tx1.Hash())
	assert.Equal(t, b.Body.Hash(), cipher.Merkle(hashes))
	tx2 := addTransactionToBlock(t, &b)
	hashes = append(hashes, tx2.Hash())
	assert.Equal(t, b.Body.Hash(), cipher.Merkle(hashes))
	assert.Equal(t, b.HashBody(), b.Body.Hash())
}
Esempio n. 2
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// Returns the merkle hash of contained transactions
func (self *BlockBody) Hash() cipher.SHA256 {
	hashes := make([]cipher.SHA256, len(self.Transactions))
	for i, _ := range self.Transactions {
		hashes[i] = self.Transactions[i].Hash()
	}
	// Merkle hash of transactions
	return cipher.Merkle(hashes)
}
Esempio n. 3
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// Hash returns the merkle hash of contained transactions
func (bb BlockBody) Hash() cipher.SHA256 {
	hashes := make([]cipher.SHA256, len(bb.Transactions))
	for i := range bb.Transactions {
		hashes[i] = bb.Transactions[i].Hash()
	}
	// Merkle hash of transactions
	return cipher.Merkle(hashes)
}
Esempio n. 4
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func TestCreateGenesisBlock(t *testing.T) {
	ft := FakeTree{}
	now := tNow()
	b := NewBlockchain(&ft, nil)
	b.CreateGenesisBlock(genAddress, _genCoins, now)
	// gb := createGenesisBlock(genAddress, now, _genCoins)
	assert.Equal(t, b.Time(), now)
	assert.Equal(t, b.Head().Head.BkSeq, uint64(0))
	assert.Equal(t, len(b.Head().Body.Transactions), 1)
	assert.Equal(t, len(b.Head().Body.Transactions[0].Out), 1)
	assert.Equal(t, len(b.Head().Body.Transactions[0].In), 0)
	txn := b.Head().Body.Transactions[0]
	txo := txn.Out[0]
	assert.Equal(t, txo.Address, genAddress)
	assert.Equal(t, txo.Coins, _genCoins)
	assert.Equal(t, txo.Hours, _genCoins)
	assert.Equal(t, len(b.GetUnspent().Pool), 1)
	ux := b.GetUnspent().Array()[0]
	assert.Equal(t, ux.Head.BkSeq, uint64(0))
	assert.Equal(t, ux.Head.Time, now)
	assert.Equal(t, ux.Head.Time, b.Head().Head.Time)
	assert.Equal(t, ux.Body.SrcTransaction, txn.InnerHash)
	assert.Equal(t, ux.Body.Address, genAddress)
	assert.Equal(t, ux.Body.Coins, _genCoins)
	assert.Equal(t, txo.Coins, ux.Body.Coins)
	assert.Equal(t, txo.Hours, ux.Body.Hours)
	// 1 hour per coin, at init
	assert.Equal(t, ux.Body.Hours, _genCoins)
	h := cipher.Merkle([]cipher.SHA256{b.Head().Body.Transactions[0].Hash()})
	assert.Equal(t, b.Head().Head.BodyHash, h)
	assert.Equal(t, b.Head().Head.PrevHash, cipher.SHA256{})
	// TODO -- check valid snapshot
	assert.NotEqual(t, b.Head().Head.UxHash, [4]byte{})
	expect := coin.CreateUnspents(b.Head().Head, txn)
	expect.Sort()
	have := b.GetUnspent().Array()
	have.Sort()
	assert.Equal(t, expect, have)
	// Panicing
	assert.Panics(t, func() {
		b.CreateGenesisBlock(genAddress, _genCoins, _genTime)
	})
}