Python CECKey.sign方法代码示例

# 需要导入模块: from test_framework.key import CECKey [as 别名]
# 或者: from test_framework.key.CECKey import sign [as 别名]
class FullBlockTest(ComparisonTestFramework):

    # Can either run this test as 1 node with expected answers, or two and compare them.
    # Change the "outcome" variable from each TestInstance object to only do
    # the comparison.

    def __init__(self):
        super().__init__()
        self.num_nodes = 1
        self.block_heights = {}
        self.coinbase_key = CECKey()
        self.coinbase_key.set_secretbytes(b"fatstacks")
        self.coinbase_pubkey = self.coinbase_key.get_pubkey()
        self.tip = None
        self.blocks = {}
        self.excessive_block_size = 16 * ONE_MEGABYTE
        self.extra_args = [['-norelaypriority',
                            '-whitelist=127.0.0.1',
                            '-limitancestorcount=9999',
                            '-limitancestorsize=9999',
                            '-limitdescendantcount=9999',
                            '-limitdescendantsize=9999',
                            '-maxmempool=999',
                            "-excessiveblocksize=%d"
                            % self.excessive_block_size]]

    def add_options(self, parser):
        super().add_options(parser)
        parser.add_option(
            "--runbarelyexpensive", dest="runbarelyexpensive", default=True)

    def run_test(self):
        self.test = TestManager(self, self.options.tmpdir)
        self.test.add_all_connections(self.nodes)
        # Start up network handling in another thread
        NetworkThread().start()
        # Set the blocksize to 2MB as initial condition
        self.nodes[0].setexcessiveblock(self.excessive_block_size)
        self.test.run()

    def add_transactions_to_block(self, block, tx_list):
        [tx.rehash() for tx in tx_list]
        block.vtx.extend(tx_list)

    # this is a little handier to use than the version in blocktools.py
    def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])):
        tx = create_transaction(spend_tx, n, b"", value, script)
        return tx

    # sign a transaction, using the key we know about
    # this signs input 0 in tx, which is assumed to be spending output n in
    # spend_tx
    def sign_tx(self, tx, spend_tx, n):
        scriptPubKey = bytearray(spend_tx.vout[n].scriptPubKey)
        if (scriptPubKey[0] == OP_TRUE):  # an anyone-can-spend
            tx.vin[0].scriptSig = CScript()
            return
        sighash = SignatureHashForkId(
            spend_tx.vout[n].scriptPubKey, tx, 0, SIGHASH_ALL | SIGHASH_FORKID, spend_tx.vout[n].nValue)
        tx.vin[0].scriptSig = CScript(
            [self.coinbase_key.sign(sighash) + bytes(bytearray([SIGHASH_ALL | SIGHASH_FORKID]))])

    def create_and_sign_transaction(self, spend_tx, n, value, script=CScript([OP_TRUE])):
        tx = self.create_tx(spend_tx, n, value, script)
        self.sign_tx(tx, spend_tx, n)
        tx.rehash()
        return tx

    def next_block(self, number, spend=None, additional_coinbase_value=0, script=None, extra_sigops=0, block_size=0, solve=True):
        """
        Create a block on top of self.tip, and advance self.tip to point to the new block
        if spend is specified, then 1 satoshi will be spent from that to an anyone-can-spend
        output, and rest will go to fees.
        """
        if self.tip == None:
            base_block_hash = self.genesis_hash
            block_time = int(time.time()) + 1
        else:
            base_block_hash = self.tip.sha256
            block_time = self.tip.nTime + 1
        # First create the coinbase
        height = self.block_heights[base_block_hash] + 1
        coinbase = create_coinbase(height, self.coinbase_pubkey)
        coinbase.vout[0].nValue += additional_coinbase_value
        if (spend != None):
            coinbase.vout[0].nValue += spend.tx.vout[
                spend.n].nValue - 1  # all but one satoshi to fees
        coinbase.rehash()
        block = create_block(base_block_hash, coinbase, block_time)
        spendable_output = None
        if (spend != None):
            tx = CTransaction()
            # no signature yet
            tx.vin.append(
                CTxIn(COutPoint(spend.tx.sha256, spend.n), b"", 0xffffffff))
            # We put some random data into the first transaction of the chain
            # to randomize ids
            tx.vout.append(
                CTxOut(0, CScript([random.randint(0, 255), OP_DROP, OP_TRUE])))
            if script == None:
#.........这里部分代码省略.........

# 需要导入模块: from test_framework.key import CECKey [as 别名]
# 或者: from test_framework.key.CECKey import sign [as 别名]
class FullBlockTest(ComparisonTestFramework):

    ''' Can either run this test as 1 node with expected answers, or two and compare them. 
        Change the "outcome" variable from each TestInstance object to only do the comparison. '''
    def __init__(self):
        self.num_nodes = 1
        self.block_heights = {}
        self.coinbase_key = CECKey()
        self.coinbase_key.set_secretbytes(bytes("horsebattery"))
        self.coinbase_pubkey = self.coinbase_key.get_pubkey()
        self.block_time = int(time.time())+1
        self.tip = None
        self.blocks = {}

    def run_test(self):
        test = TestManager(self, self.options.tmpdir)
        test.add_all_connections(self.nodes)
        NetworkThread().start() # Start up network handling in another thread
        test.run()

    def add_transactions_to_block(self, block, tx_list):
        [ tx.rehash() for tx in tx_list ]
        block.vtx.extend(tx_list)
        block.hashMerkleRoot = block.calc_merkle_root()
        block.rehash()
        return block
    
    # Create a block on top of self.tip, and advance self.tip to point to the new block
    # if spend is specified, then 1 satoshi will be spent from that to an anyone-can-spend output,
    # and rest will go to fees.
    def next_block(self, number, spend=None, additional_coinbase_value=0, script=None):
        if self.tip == None:
            base_block_hash = self.genesis_hash
        else:
            base_block_hash = self.tip.sha256
        # First create the coinbase
        height = self.block_heights[base_block_hash] + 1
        coinbase = create_coinbase(height, self.coinbase_pubkey)
        coinbase.vout[0].nValue += additional_coinbase_value
        if (spend != None):
            coinbase.vout[0].nValue += spend.tx.vout[spend.n].nValue - 1 # all but one satoshi to fees
        coinbase.rehash()
        block = create_block(base_block_hash, coinbase, self.block_time)
        if (spend != None):
            tx = CTransaction()
            tx.vin.append(CTxIn(COutPoint(spend.tx.sha256, spend.n), "", 0xffffffff))  # no signature yet
            # This copies the java comparison tool testing behavior: the first
            # txout has a garbage scriptPubKey, "to make sure we're not
            # pre-verifying too much" (?)
            tx.vout.append(CTxOut(0, CScript([random.randint(0,255), height & 255])))
            if script == None:
                tx.vout.append(CTxOut(1, CScript([OP_TRUE])))
            else:
                tx.vout.append(CTxOut(1, script))
            # Now sign it if necessary
            scriptSig = ""
            scriptPubKey = bytearray(spend.tx.vout[spend.n].scriptPubKey)
            if (scriptPubKey[0] == OP_TRUE):  # looks like an anyone-can-spend
                scriptSig = CScript([OP_TRUE])
            else:
                # We have to actually sign it
                (sighash, err) = SignatureHash(spend.tx.vout[spend.n].scriptPubKey, tx, 0, SIGHASH_ALL)
                scriptSig = CScript([self.coinbase_key.sign(sighash) + bytes(bytearray([SIGHASH_ALL]))])
            tx.vin[0].scriptSig = scriptSig
            # Now add the transaction to the block
            block = self.add_transactions_to_block(block, [tx])
        block.solve()
        self.tip = block
        self.block_heights[block.sha256] = height
        self.block_time += 1
        assert number not in self.blocks
        self.blocks[number] = block
        return block

    def get_tests(self):
        self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16)
        self.block_heights[self.genesis_hash] = 0
        spendable_outputs = []

        # save the current tip so it can be spent by a later block
        def save_spendable_output():
            spendable_outputs.append(self.tip)

        # get an output that we previous marked as spendable
        def get_spendable_output():
            return PreviousSpendableOutput(spendable_outputs.pop(0).vtx[0], 0)

        # returns a test case that asserts that the current tip was accepted
        def accepted():
            return TestInstance([[self.tip, True]])

        # returns a test case that asserts that the current tip was rejected
        def rejected():
            return TestInstance([[self.tip, False]])
       
        # move the tip back to a previous block
        def tip(number):
            self.tip = self.blocks[number]

        # creates a new block and advances the tip to that block
#.........这里部分代码省略.........

# 需要导入模块: from test_framework.key import CECKey [as 别名]
# 或者: from test_framework.key.CECKey import sign [as 别名]
class FullBlockTest(ComparisonTestFramework):

    ''' Can either run this test as 1 node with expected answers, or two and compare them. 
        Change the "outcome" variable from each TestInstance object to only do the comparison. '''
    def __init__(self):
        self.num_nodes = 1
        self.block_heights = {}
        self.coinbase_key = CECKey()
        self.coinbase_key.set_secretbytes(b"horsebattery")
        self.coinbase_pubkey = self.coinbase_key.get_pubkey()
        self.block_time = int(time.time())+1
        self.tip = None
        self.blocks = {}

    def run_test(self):
        test = TestManager(self, self.options.tmpdir)
        test.add_all_connections(self.nodes)
        NetworkThread().start() # Start up network handling in another thread
        test.run()

    def add_transactions_to_block(self, block, tx_list):
        [ tx.rehash() for tx in tx_list ]
        block.vtx.extend(tx_list)
        block.hashMerkleRoot = block.calc_merkle_root()
        block.rehash()
        return block
    
    # Create a block on top of self.tip, and advance self.tip to point to the new block
    # if spend is specified, then 1 satoshi will be spent from that to an anyone-can-spend output,
    # and rest will go to fees.
    def next_block(self, number, spend=None, additional_coinbase_value=0, script=None):
        if self.tip == None:
            base_block_hash = self.genesis_hash
        else:
            base_block_hash = self.tip.sha256
        # First create the coinbase
        height = self.block_heights[base_block_hash] + 1
        coinbase = create_coinbase(height, self.coinbase_pubkey)
        coinbase.vout[0].nValue += additional_coinbase_value
        if (spend != None):
            coinbase.vout[0].nValue += spend.tx.vout[spend.n].nValue - 1 # all but one satoshi to fees
        coinbase.rehash()
        block = create_block(base_block_hash, coinbase, self.block_time)
        if (spend != None):
            tx = CTransaction()
            tx.vin.append(CTxIn(COutPoint(spend.tx.sha256, spend.n), b"", 0xffffffff))  # no signature yet
            # This copies the java comparison tool testing behavior: the first
            # txout has a garbage scriptPubKey, "to make sure we're not
            # pre-verifying too much" (?)
            tx.vout.append(CTxOut(0, CScript([random.randint(0,255), height & 255])))
            if script == None:
                tx.vout.append(CTxOut(1, CScript([OP_TRUE])))
            else:
                tx.vout.append(CTxOut(1, script))
            # Now sign it if necessary
            scriptSig = b""
            scriptPubKey = bytearray(spend.tx.vout[spend.n].scriptPubKey)
            if (scriptPubKey[0] == OP_TRUE):  # looks like an anyone-can-spend
                scriptSig = CScript([OP_TRUE])
            else:
                # We have to actually sign it
                (sighash, err) = SignatureHash(spend.tx.vout[spend.n].scriptPubKey, tx, 0, SIGHASH_ALL)
                scriptSig = CScript([self.coinbase_key.sign(sighash) + bytes(bytearray([SIGHASH_ALL]))])
            tx.vin[0].scriptSig = scriptSig
            # Now add the transaction to the block
            block = self.add_transactions_to_block(block, [tx])
        block.solve()
        self.tip = block
        self.block_heights[block.sha256] = height
        self.block_time += 1
        assert number not in self.blocks
        self.blocks[number] = block
        return block

    def get_tests(self):
        self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16)
        self.block_heights[self.genesis_hash] = 0
        spendable_outputs = []

        # save the current tip so it can be spent by a later block
        def save_spendable_output():
            spendable_outputs.append(self.tip)

        # get an output that we previous marked as spendable
        def get_spendable_output():
            return PreviousSpendableOutput(spendable_outputs.pop(0).vtx[0], 0)

        # returns a test case that asserts that the current tip was accepted
        def accepted():
            return TestInstance([[self.tip, True]])

        # returns a test case that asserts that the current tip was rejected
        def rejected(reject = None):
            if reject is None:
                return TestInstance([[self.tip, False]])
            else:
                return TestInstance([[self.tip, reject]])
       
        # move the tip back to a previous block
        def tip(number):
#.........这里部分代码省略.........

# 需要导入模块: from test_framework.key import CECKey [as 别名]
# 或者: from test_framework.key.CECKey import sign [as 别名]
class FullBlockTest(ComparisonTestFramework):

    # Can either run this test as 1 node with expected answers, or two and compare them.
    # Change the "outcome" variable from each TestInstance object to only do
    # the comparison.

    def set_test_params(self):
        self.num_nodes = 1
        self.setup_clean_chain = True
        self.block_heights = {}
        self.coinbase_key = CECKey()
        self.coinbase_key.set_secretbytes(b"horsebattery")
        self.coinbase_pubkey = self.coinbase_key.get_pubkey()
        self.tip = None
        self.blocks = {}

    def setup_network(self):
        self.extra_args = [['-norelaypriority']]
        self.add_nodes(self.num_nodes, self.extra_args)
        self.start_nodes()

    def add_options(self, parser):
        super().add_options(parser)
        parser.add_option(
            "--runbarelyexpensive", dest="runbarelyexpensive", default=True)

    def run_test(self):
        self.test = TestManager(self, self.options.tmpdir)
        self.test.add_all_connections(self.nodes)
        # Start up network handling in another thread
        NetworkThread().start()
        self.test.run()

    def add_transactions_to_block(self, block, tx_list):
        [tx.rehash() for tx in tx_list]
        block.vtx.extend(tx_list)

    # this is a little handier to use than the version in blocktools.py
    def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])):
        tx = create_transaction(spend_tx, n, b"", value, script)
        return tx

    # sign a transaction, using the key we know about
    # this signs input 0 in tx, which is assumed to be spending output n in
    # spend_tx
    def sign_tx(self, tx, spend_tx, n):
        scriptPubKey = bytearray(spend_tx.vout[n].scriptPubKey)
        if (scriptPubKey[0] == OP_TRUE):  # an anyone-can-spend
            tx.vin[0].scriptSig = CScript()
            return
        sighash = SignatureHashForkId(
            spend_tx.vout[n].scriptPubKey, tx, 0, SIGHASH_ALL | SIGHASH_FORKID, spend_tx.vout[n].nValue)
        tx.vin[0].scriptSig = CScript(
            [self.coinbase_key.sign(sighash) + bytes(bytearray([SIGHASH_ALL | SIGHASH_FORKID]))])

    def create_and_sign_transaction(self, spend_tx, n, value, script=CScript([OP_TRUE])):
        tx = self.create_tx(spend_tx, n, value, script)
        self.sign_tx(tx, spend_tx, n)
        tx.rehash()
        return tx

    def next_block(self, number, spend=None, additional_coinbase_value=0, script=CScript([OP_TRUE])):
        if self.tip == None:
            base_block_hash = self.genesis_hash
            block_time = int(time.time()) + 1
        else:
            base_block_hash = self.tip.sha256
            block_time = self.tip.nTime + 1
        # First create the coinbase
        height = self.block_heights[base_block_hash] + 1
        coinbase = create_coinbase(height, self.coinbase_pubkey)
        coinbase.vout[0].nValue += additional_coinbase_value
        coinbase.rehash()
        if spend == None:
            block = create_block(base_block_hash, coinbase, block_time)
        else:
            # all but one satoshi to fees
            coinbase.vout[0].nValue += spend.tx.vout[
                spend.n].nValue - 1
            coinbase.rehash()
            block = create_block(base_block_hash, coinbase, block_time)
            # spend 1 satoshi
            tx = create_transaction(spend.tx, spend.n, b"", 1, script)
            self.sign_tx(tx, spend.tx, spend.n)
            self.add_transactions_to_block(block, [tx])
            block.hashMerkleRoot = block.calc_merkle_root()
        # Do PoW, which is very inexpensive on regnet
        block.solve()
        self.tip = block
        self.block_heights[block.sha256] = height
        assert number not in self.blocks
        self.blocks[number] = block
        return block

    def get_tests(self):
        self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16)
        self.block_heights[self.genesis_hash] = 0
        spendable_outputs = []

        # save the current tip so it can be spent by a later block
#.........这里部分代码省略.........