Exemple #1
0
// add txid of interest
func (t *TxStore) AddTxid(txid *wire.ShaHash, height int32) error {
	if txid == nil {
		return fmt.Errorf("tried to add nil txid")
	}
	log.Printf("added %s to OKTxids at height %d\n", txid.String(), height)
	t.OKMutex.Lock()
	t.OKTxids[*txid] = height
	t.OKMutex.Unlock()
	return nil
}
// newDummyCredit creates a new credit with the given hash and outpointIdx,
// locked to the votingpool address identified by the given
// series/index/branch.
func newDummyCredit(t *testing.T, pool *Pool, series uint32, index Index, branch Branch,
	txSha []byte, outpointIdx uint32) credit {
	var hash wire.ShaHash
	if err := hash.SetBytes(txSha); err != nil {
		t.Fatal(err)
	}
	// Ensure the address defined by the given series/branch/index is present on
	// the set of used addresses as that's a requirement of WithdrawalAddress.
	TstEnsureUsedAddr(t, pool, series, branch, index)
	addr := TstNewWithdrawalAddress(t, pool, series, branch, index)
	c := wtxmgr.Credit{
		OutPoint: wire.OutPoint{
			Hash:  hash,
			Index: outpointIdx,
		},
	}
	return newCredit(c, *addr)
}
Exemple #3
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// GetTx takes a txid and returns the transaction.  If we have it.
func (ts *TxStore) GetTx(txid *wire.ShaHash) (*wire.MsgTx, error) {
	rtx := wire.NewMsgTx()

	err := ts.StateDB.View(func(btx *bolt.Tx) error {
		txns := btx.Bucket(BKTTxns)
		if txns == nil {
			return fmt.Errorf("no transactions in db")
		}
		txbytes := txns.Get(txid.Bytes())
		if txbytes == nil {
			return fmt.Errorf("tx %x not in db", txid.String())
		}
		buf := bytes.NewBuffer(txbytes)
		return rtx.Deserialize(buf)
	})
	if err != nil {
		return nil, err
	}
	return rtx, nil
}
Exemple #4
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func MakeMerkleParent(left *wire.ShaHash, right *wire.ShaHash) *wire.ShaHash {
	// dupes can screw things up; CVE-2012-2459. check for them
	if left != nil && right != nil && left.IsEqual(right) {
		fmt.Printf("DUP HASH CRASH")
		return nil
	}
	// if left child is nil, output nil.  Need this for hard mode.
	if left == nil {
		return nil
	}
	// if right is nil, hash left with itself
	if right == nil {
		right = left
	}

	// Concatenate the left and right nodes
	var sha [64]byte
	copy(sha[:32], left[:])
	copy(sha[32:], right[:])

	newSha := wire.DoubleSha256SH(sha[:])
	return &newSha
}
Exemple #5
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func RightSha(in wire.ShaHash) wire.ShaHash {
	return wire.DoubleSha256SH(append(in.Bytes(), 0x01)) // sha(sha(in, 1))
}
Exemple #6
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func LeftSha(in wire.ShaHash) wire.ShaHash {
	return wire.DoubleSha256SH(in.Bytes()) // left is sha(sha(in))
}