def main():
h = ByteArray(
"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"
)
print(h)
print(blake_hash(h.bytes()).hex())
print(crypto.hash160(h.bytes()).hex())
def utxosource(amt, filter):
nextVal = 10
total = 0
utxos = []
while total < amt:
atoms = int(nextVal * 1e8)
privKey = Curve.generateKey()
pkHash = crypto.hash160(
privKey.pub.serializeCompressed().b)
addr = addrlib.AddressPubKeyHash(pkHash, testnet)
addrs.append(addr)
addrString = addr.string()
keys[addrString] = privKey
pkScript = txscript.makePayToAddrScript(
addrString, testnet)
txHash = rando.newHash()
txid = reversed(txHash).hex()
utxos.append(
account.UTXO(
address=addrString,
txHash=txHash,
vout=0,
ts=int(time.time()),
scriptPubKey=pkScript,
satoshis=atoms,
))
tx = msgtx.MsgTx.new()
tx.addTxOut(msgtx.TxOut(value=atoms, pkScript=pkScript))
txs[txid] = tx
total += atoms
nextVal *= 2
return utxos, True
def internal():
privKey = Curve.generateKey()
pkHash = crypto.hash160(privKey.pub.serializeCompressed().b)
addr = addrlib.AddressPubKeyHash(pkHash, testnet)
addrs.append(addr)
keys[addr.string()] = privKey
return addr.string()
def hash160(self):
"""
The hash160 of the serialized pubkey.
Returns:
ByteArray: The hash.
"""
return hash160(self.serialize().bytes())
def main():
script = ByteArray(
"512103af3c24d005ca8b755e7167617f3a5b4c60a65f8318a7fcd1b0cacb1abd2a97fc21027b81bc16954e28adb832248140eb58bedb6078ae5f4dabf21fde5a8ab7135cb652ae"
)
print(crypto.hash160(script.bytes()).hex())
_, addrs, _ = txscript.extractPkScriptAddrs(0, script, nets.testnet)
for addr in addrs:
print("addr", addr.string())
def fromScript(script, netParams):
"""
Create a new AddressScriptHash from a redeem script.
Args:
script (ByteArray): the redeem script
netParams (module): the network parameters
Returns:
AddressScriptHash: An address object.
"""
return AddressScriptHash(hash160(script.b), netParams)
def address(self):
"""
The string encoding of the public key as a pay-to-pubkey-hash. Note
that the public key format (uncompressed, compressed, etc) will change
the resulting address. This is expected since pay-to-pubkey-hash is a
hash of the serialized public key which obviously differs with the
format. At the time of this writing, most Decred addresses are
pay-to-pubkey-hash constructed from the compressed public key.
Returns:
str: base-58 encoded p2pkh address.
"""
return encodeAddress(hash160(self.serialize().bytes()), self.pubkeyHashID)
def deriveChildAddress(branchXPub, i, netParams):
"""
The base-58 encoded address for the i'th child.
Args:
i (int): Child number.
netParams (module): Network parameters.
Returns:
str: Child address, as a base-58 encoded string.
"""
child = branchXPub.child(i)
return AddressPubKeyHash(
hash160(child.publicKey().serializeCompressed().b), netParams, STEcdsaSecp256k1,
).string()
def main():
ba = ByteArray(1, length=32)
priv = crypto.privKeyFromBytes(ba)
pub = priv.pub
pkh = crypto.hash160(pub.serializeCompressed().b)
addrPKH = addrlib.AddressPubKeyHash(pkh, mainnet)
print([x for x in ba])
print(pub.serializeCompressed().b.hex())
print(addrPKH.string())
h = ByteArray("751e76e8199196d454941c45d1b3a323f1433bd6")
addrPKH = addrlib.AddressPubKeyHash(h, mainnet)
print(addrPKH.string())
addrPKH = addrlib.AddressPubKeyHash(h, testnet)
print(addrPKH.string())
addrPKH = addrlib.AddressPubKeyHash(h, simnet)
print(addrPKH.string())
h = "rltc1qzhe0hmteg5u6ap7488vq9f3wtqsx4ma9dps9t4"
r = "bcrt1q322tg0y2hzyp9zztr7d2twdclhqg88anvzxwwr"
#b = b58decode(h)
print([x for x in h.encode("utf_8")])
print([x for x in r.encode("utf_8")])
def test_purchase_ticket(self):
blockchain = dcrdata.DcrdataBlockchain(":memory:", testnet,
"https://testnet.dcrdata.org")
try:
blockchain.connect()
def broadcast(txHex):
print("test skipping broadcast of transaction: %s" % txHex)
return True
blockchain.broadcast = broadcast
txs = {}
def getTx(txid):
return txs[txid]
blockchain.tx = getTx
addrs = []
keys = {}
def internal():
privKey = Curve.generateKey()
pkHash = crypto.hash160(privKey.pub.serializeCompressed().b)
addr = addrlib.AddressPubKeyHash(pkHash, testnet)
addrs.append(addr)
keys[addr.string()] = privKey
return addr.string()
def priv(addr):
return keys[addr]
class KeySource:
def priv(self, *a):
return priv(*a)
def internal(self):
return internal()
def utxosource(amt, filter):
nextVal = 10
total = 0
utxos = []
while total < amt:
atoms = int(nextVal * 1e8)
privKey = Curve.generateKey()
pkHash = crypto.hash160(
privKey.pub.serializeCompressed().b)
addr = addrlib.AddressPubKeyHash(pkHash, testnet)
addrs.append(addr)
addrString = addr.string()
keys[addrString] = privKey
pkScript = txscript.makePayToAddrScript(
addrString, testnet)
txHash = rando.newHash()
txid = reversed(txHash).hex()
utxos.append(
account.UTXO(
address=addrString,
txHash=txHash,
vout=0,
ts=int(time.time()),
scriptPubKey=pkScript,
satoshis=atoms,
))
tx = msgtx.MsgTx.new()
tx.addTxOut(msgtx.TxOut(value=atoms, pkScript=pkScript))
txs[txid] = tx
total += atoms
nextVal *= 2
return utxos, True
poolPriv = Curve.generateKey()
pkHash = crypto.hash160(poolPriv.pub.serializeCompressed().b)
poolAddr = addrlib.AddressPubKeyHash(pkHash, testnet)
scriptHash = crypto.hash160("some script. doesn't matter".encode())
scriptAddr = addrlib.AddressScriptHash(scriptHash, testnet)
ticketPrice = blockchain.stakeDiff()
request = account.TicketRequest(
minConf=0,
expiry=0,
spendLimit=ticketPrice * 2 * 1.1,
poolAddress=poolAddr.string(),
votingAddress=scriptAddr.string(),
ticketFee=0,
poolFees=7.5,
count=2,
txFee=0,
)
ticket, spent, newUTXOs = blockchain.purchaseTickets(
KeySource(), utxosource, request)
finally:
blockchain.close()
