コード例 #1
0
def mktx( amt, tx_fee, recipient_addr, privkey, message=None ):
    """
    Make the transaction with the given fee
    """
    change_addr = virtualchain.BitcoinPrivateKey(privkey).public_key().address()
    inputs = testlib.get_unspents(change_addr)
    change = virtualchain.calculate_change_amount(inputs, amt, tx_fee)

    outputs = [
        {'script': virtualchain.make_payment_script(recipient_addr),
         'value': amt},
    ]

    if change > 0:
        # need change and tx fee
        outputs.append( 
            {'script': virtualchain.make_payment_script(change_addr),
              "value": change}
        )

    if message:
        outputs = [
            {"script": virtualchain.make_data_script(binascii.hexlify(message)),
             "value": 0} ] + outputs

    serialized_tx = blockstack_client.tx.serialize_tx(inputs, outputs)
    signed_tx = blockstack_client.tx.sign_tx(serialized_tx, privkey)
    return signed_tx
コード例 #2
0
def check(state_engine):

    global wallets

    # not revealed, but ready
    ns = state_engine.get_namespace_reveal("test")
    if ns is not None:
        return False

    ns = state_engine.get_namespace("test")
    if ns is None:
        return False

    if ns['namespace_id'] != 'test':
        return False

    # not preordered
    preorder = state_engine.get_name_preorder(
        "foo.test", pybitcoin.make_pay_to_address_script(wallets[2].addr),
        wallets[3].addr)
    if preorder is not None:
        return False

    # registered
    name_rec = state_engine.get_name("foo.test")
    if name_rec is None:
        return False

    # updated, but revoked, so data should be None
    if name_rec['value_hash'] is not None:
        return False

    # transferred
    if name_rec['address'] != wallets[4].addr or name_rec[
            'sender'] != pybitcoin.make_pay_to_address_script(wallets[4].addr):
        return False

    # previously owned by...
    name_rec_prev = state_engine.get_name_at(
        "foo.test",
        sorted(name_rec['history'].keys())[-1] - 2)[0]
    if name_rec_prev['address'] != wallets[3].addr or name_rec_prev[
            'sender'] != pybitcoin.make_pay_to_address_script(wallets[3].addr):
        return False

    # revoked
    if not name_rec['revoked']:
        return False

    # verify that the user wallets (3 and 4) were *not* debited any btc
    rc = True
    for wallet in [wallets[3], wallets[4]]:
        unspents = testlib.get_unspents(wallet.addr)
        value = sum([us['value'] for us in unspents])
        if value < 100000000000:
            print "value of '%s' is '%s'" % (wallet.addr, value)
            rc = False

    return rc
コード例 #3
0
def check( state_engine ):

    global wallets

    # not revealed, but ready 
    ns = state_engine.get_namespace_reveal( "test" )
    if ns is not None:
        return False 

    ns = state_engine.get_namespace( "test" )
    if ns is None:
        return False 

    if ns['namespace_id'] != 'test':
        return False 

    # not preordered
    preorder = state_engine.get_name_preorder( "foo.test", pybitcoin.make_pay_to_address_script(wallets[2].addr), wallets[3].addr )
    if preorder is not None:
        return False
    
    # registered 
    name_rec = state_engine.get_name( "foo.test" )
    if name_rec is None:
        return False 

    # updated, but revoked, so data should be None
    if name_rec['value_hash'] is not None:
        return False 

    # transferred 
    if name_rec['address'] != wallets[4].addr or name_rec['sender'] != pybitcoin.make_pay_to_address_script(wallets[4].addr):
        return False 

    # previously owned by...
    name_rec_prev = state_engine.get_name_at( "foo.test", sorted( name_rec['history'].keys() )[-1] - 2 )[0]
    if name_rec_prev['address'] != wallets[3].addr or name_rec_prev['sender'] != pybitcoin.make_pay_to_address_script(wallets[3].addr):
        return False

    # revoked 
    if not name_rec['revoked']:
        return False 

    # verify that the user wallets (3 and 4) were *not* debited any btc
    rc = True
    for wallet in [wallets[3], wallets[4]]:
        unspents = testlib.get_unspents( wallet.addr )
        value = sum( [us['value'] for us in unspents] )
        if value < 100000000000:
            print "value of '%s' is '%s'" % (wallet.addr, value)
            rc = False

    return rc