def _tx_pay_btc(txhex, privk, burn_price, burn_addr=blockstack.lib.config.BLOCKSTACK_BURN_ADDRESS):
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount
tx['outs'][3]['script'] = virtualchain.btc_make_payment_script(burn_addr)
tx['outs'][3]['value'] = burn_price
tx['outs'][4]['value'] -= burn_price
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
_addr = virtualchain.address_reencode(virtualchain.get_privkey_address(privk))
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(privk, testlib.get_utxos(_addr), txhex)
# re-sign the last output with the payment key
tx_signed = virtualchain.btc_tx_deserialize(txhex_signed)
tx_signed['ins'][-1]['script'] = ''
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(testlib.get_default_payment_wallet().privkey, testlib.get_utxos(testlib.get_default_payment_wallet().addr), virtualchain.btc_tx_serialize(tx_signed))
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
assert 'error' not in res
return res
def mktx(satoshis, fee):
outputs = None
if satoshis is None:
# send all
satoshis = sum([u['value'] for u in utxos])
print 'WARN: sending all of {} ({}) to {}'.format(payment_addr, satoshis, recipient_addr)
outputs = [
{'script': virtualchain.make_payment_script(payment_addr),
'value': virtualchain.calculate_change_amount(utxos, 0, fee)},
]
else:
outputs = [
{"script": virtualchain.make_payment_script(payment_addr),
"value": satoshis},
{"script": virtualchain.make_payment_script(recipient_addr),
"value": virtualchain.calculate_change_amount(utxos, satoshis, fee)},
]
txobj = {
'ins': utxos,
'outs': outputs,
'locktime': 0,
'version': 1
}
# log.debug("serialize tx: {}".format(json.dumps(txobj, indent=4, sort_keys=True)))
txstr = virtualchain.btc_tx_serialize(txobj)
signed_txstr = virtualchain.tx_sign_all_unsigned_inputs(privkey, utxos, txstr)
return signed_txstr
def send_as_segwit_bech32(txhex, payment_key):
print 'txhex: {}'.format(txhex)
# get op-return data
tx = virtualchain.btc_tx_deserialize(txhex)
payload = tx['outs'][0]['script']
print json.dumps(tx, indent=4, sort_keys=True)
# convert payment key to bech32
addr = virtualchain.address_reencode(virtualchain.get_privkey_address(payment_key))
pubk = virtualchain.lib.ecdsalib.ecdsa_private_key(payment_key, compressed=True).public_key().to_hex()
addrhash = virtualchain.lib.hashing.bin_hash160(pubk.decode('hex')).encode('hex')
segwit_addr = virtualchain.segwit_addr_encode(addrhash.decode('hex'), hrp='bcrt')
print 'privk = {}'.format(payment_key)
print 'pubk = {}'.format(pubk)
print 'addr = {}'.format(addr)
print 'segwit addr = {}'.format(segwit_addr)
print 'script = 00{}'.format(addrhash)
tx_fee = 5500
res = convert_funds_to_segwit(payment_key, tx_fee)
fund_outputs = res['utxos']
fund_txid = res['tx_hash']
new_tx = {
'locktime': 0,
'version': 2,
'ins': [
{'outpoint': {'hash': fund_txid, 'index': 0},
'script': '',
'witness_script': '',
'sequence': 4294967295},
],
'outs': [
{'script': tx['outs'][0]['script'],
'value': tx['outs'][0]['value']},
{'script': '0014' + addrhash,
'value': fund_outputs[0]['value'] - tx_fee * 2},
{'script': tx['outs'][2]['script'],
'value': tx['outs'][2]['value']}
]
}
unsigned_txhex = virtualchain.btc_tx_serialize(new_tx)
print 'unsigned: {}'.format(unsigned_txhex)
pk_segwit = virtualchain.make_segwit_info(payment_key)
print json.dumps(pk_segwit, indent=4, sort_keys=True)
signed_txhex = virtualchain.tx_sign_input(unsigned_txhex, 0, fund_outputs[0]['script'], fund_outputs[0]['value'], pk_segwit, segwit=True, scriptsig_type='p2wpkh')
print 'signed: {}'.format(signed_txhex)
res = testlib.broadcast_transaction(signed_txhex)
assert 'error' not in res
return res
def scenario(wallets, **kw):
global reveal_block
global preorder_block
res = testlib.blockstack_namespace_preorder("test",
wallets[1].addr,
wallets[0].privkey,
tx_only=True,
expect_fail=True)
ns_preorder_txhex = res['transaction']
# change the burn address
ns_preorder_tx = virtualchain.btc_tx_deserialize(ns_preorder_txhex)
ns_preorder_tx['outs'][2]['script'] = virtualchain.btc_make_payment_script(
wallets[2].addr)
for i in ns_preorder_tx['ins']:
i['script'] = ''
utxos = testlib.get_utxos(wallets[0].addr)
ns_preorder_txhex = virtualchain.btc_tx_serialize(ns_preorder_tx)
ns_preorder_txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
wallets[0].privkey, utxos, ns_preorder_txhex)
print ns_preorder_txhex_signed
res = testlib.broadcast_transaction(ns_preorder_txhex_signed)
if 'error' in res:
print res
return False
print res
testlib.next_block(**kw)
num_ops = virtualchain.lib.indexer.StateEngine.get_block_statistics(
testlib.get_current_block(**kw))
if num_ops['num_parsed_ops'] != 1:
print 'processed ops: {}'.format(num_ops)
return False
# try again, but use the right burn address
testlib.blockstack_namespace_preorder("test", wallets[1].addr,
wallets[0].privkey)
preorder_block = testlib.get_current_block(**kw) + 1
testlib.next_block(**kw)
testlib.blockstack_namespace_reveal(
"test", wallets[1].addr, 52595, 250, 4,
[6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 10, 10,
wallets[0].privkey)
reveal_block = testlib.get_current_block(**kw) + 1
testlib.next_block(**kw)
def serialize_tx(inputs, outputs):
"""
Given the inputs and outputs to a transaction, serialize them
to the appropriate blockchain format.
Return the hex-string containing the transaction
"""
# TODO: expand beyond bitcoin
txobj = {'ins': inputs, 'outs': outputs, 'locktime': 0, 'version': 1}
# log.debug("serialize tx: {}".format(json.dumps(txobj, indent=4, sort_keys=True)))
txstr = virtualchain.btc_tx_serialize(txobj)
return txstr
def db_parse( block_id, txid, vtxindex, op, data, senders, inputs, outputs, fee, db_state=None, **virtualchain_hints ):
"""
(required by virtualchain state engine)
Parse a blockstack operation from a transaction. The transaction fields are as follows:
* `block_id` is the blockchain height at which this transaction occurs
* `txid` is the transaction ID
* `data` is the scratch area of the transaction that contains the actual virtualchain operation (e.g. "id[opcode][payload]")
* `senders` is a list in 1-to-1 correspondence with `inputs` that contains information about what funded the inputs
* `inputs` are the list of inputs to the transaction. Some blockchains (like Bitcoin) support multiple inputs, whereas others (like Ethereum) support only 1.
* `outputs` are the list of outputs of the transaction. Some blockchains (like Bitcoin) support multiple outputs, whereas others (like Ethereum) support only 1.
* `fee` is the transaction fee.
`db_state` is the StateEngine-derived class. This is a BlockstackDB instance.
`**virtualchain_hints` is a dict with extra virtualchain hints that may be relevant. We require:
* `raw_tx`: the hex-encoded string containing the raw transaction.
Returns a dict with the parsed operation on success.
Return None on error
"""
# basic sanity checks
if len(senders) == 0:
raise Exception("No senders given")
if not check_tx_sender_types(senders, block_id):
log.warning('Invalid senders for {}'.format(txid))
return None
# this virtualchain instance must give the 'raw_tx' hint
assert 'raw_tx' in virtualchain_hints, 'BUG: incompatible virtualchain: requires raw_tx support'
# internal sanity check
raw_tx = virtualchain_hints['raw_tx']
btc_tx_data = virtualchain.btc_tx_deserialize(raw_tx)
test_btc_tx = virtualchain.btc_tx_serialize({'ins': inputs, 'outs': outputs, 'locktime': btc_tx_data['locktime'], 'version': btc_tx_data['version']})
assert raw_tx == test_btc_tx, 'TX mismatch: {} != {}'.format(raw_tx, test_btc_tx)
# make sure each op has all the right fields defined
try:
opcode = op_get_opcode_name(op)
assert opcode is not None, "Unrecognized opcode '%s'" % op
except Exception, e:
log.exception(e)
log.error("Skipping unrecognized opcode")
return None
def serialize_tx(inputs, outputs):
"""
Given the inputs and outputs to a transaction, serialize them
to the appropriate blockchain format.
Return the hex-string containing the transaction
"""
# TODO: expand beyond bitcoin
txobj = {
'ins': inputs,
'outs': outputs,
'locktime': 0,
'version': 1
}
# log.debug("serialize tx: {}".format(json.dumps(txobj, indent=4, sort_keys=True)))
txstr = virtualchain.btc_tx_serialize(txobj)
return txstr
def replace_output_with_bech32(txhex, output_index, payment_key, addrhash):
print 'txhex: {}'.format(txhex)
tx = virtualchain.btc_tx_deserialize(txhex)
new_tx = {
'locktime': 0,
'version': 1,
'ins': tx['ins'],
'outs': tx['outs'],
}
for inp in new_tx['ins']:
inp['script'] = ''
inp['witness_script'] = ''
new_tx['outs'][output_index] = {
'script': '0014' + addrhash,
'value': tx['outs'][output_index]['value']
}
unsigned_txhex = virtualchain.btc_tx_serialize(new_tx)
print 'unsigned: {}'.format(unsigned_txhex)
addr = virtualchain.address_reencode(
virtualchain.get_privkey_address(payment_key))
utxos = testlib.get_utxos(addr)
prev_outputs = [{
'out_script': inp['out_script'],
'value': inp['value']
} for inp in utxos]
signed_txhex = virtualchain.tx_sign_all_unsigned_inputs(
payment_key, prev_outputs, unsigned_txhex)
print 'signed: {}'.format(signed_txhex)
res = testlib.broadcast_transaction(signed_txhex)
assert 'error' not in res
return res
def _tx_pay_btc(txhex, privk, btc_paid, burn_addr):
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount
btc_price = blockstack.lib.scripts.price_name('baz', namespace, testlib.get_current_block(**kw))
tx['outs'][2]['script'] = virtualchain.btc_make_payment_script(burn_addr)
tx['outs'][2]['value'] = btc_paid
tx['outs'][1]['value'] -= btc_paid
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
_addr = virtualchain.address_reencode(virtualchain.get_privkey_address(privk))
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(privk, testlib.get_utxos(_addr), txhex)
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
assert 'error' not in res, res['error']
return res
def mktx(satoshis, fee):
outputs = None
if satoshis is None:
# send all
satoshis = sum([u['value'] for u in utxos])
print 'WARN: sending all of {} ({}) to {}'.format(
payment_addr, satoshis, recipient_addr)
outputs = [
{
'script': virtualchain.make_payment_script(payment_addr),
'value': virtualchain.calculate_change_amount(utxos, 0, fee)
},
]
else:
outputs = [
{
"script": virtualchain.make_payment_script(payment_addr),
"value": satoshis
},
{
"script": virtualchain.make_payment_script(recipient_addr),
"value":
virtualchain.calculate_change_amount(utxos, satoshis, fee)
},
]
txobj = {'ins': utxos, 'outs': outputs, 'locktime': 0, 'version': 1}
# log.debug("serialize tx: {}".format(json.dumps(txobj, indent=4, sort_keys=True)))
txstr = virtualchain.btc_tx_serialize(txobj)
signed_txstr = virtualchain.tx_sign_all_unsigned_inputs(
privkey, utxos, txstr)
return signed_txstr
def scenario(wallets, **kw):
global pk, pk2
testlib.blockstack_namespace_preorder("test", wallets[1].addr,
wallets[0].privkey)
testlib.next_block(**kw)
testlib.blockstack_namespace_reveal(
"test", wallets[1].addr, 52595, 250, 4,
[6, 6, 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 10, 10,
wallets[0].privkey)
testlib.next_block(**kw)
testlib.blockstack_namespace_ready("test", wallets[1].privkey)
testlib.next_block(**kw)
# pay for a name in a v1 namespace with Stacks
addr = virtualchain.address_reencode(virtualchain.get_privkey_address(pk))
addr2 = virtualchain.address_reencode(
virtualchain.get_privkey_address(pk2))
# calculate the cost of doing so
namespace = testlib.get_state_engine().get_namespace('test')
stacks_price = blockstack.lib.scripts.price_name_stacks(
'baz', namespace, testlib.get_current_block(**kw))
btc_price = blockstack.lib.scripts.price_name(
'baz', namespace, testlib.get_current_block(**kw))
print ''
print 'price of {} in Stacks is {}'.format('baz.test', stacks_price)
print 'price of {} in BTC is {}'.format('baz.test', btc_price)
print ''
testlib.blockstack_send_tokens(addr, "STACKS", stacks_price,
wallets[0].privkey)
testlib.blockstack_send_tokens(addr2, "STACKS", stacks_price * 2,
wallets[0].privkey)
testlib.send_funds(wallets[0].privkey, 10 * btc_price, addr)
testlib.send_funds(wallets[0].privkey, 10 * btc_price, addr2)
testlib.next_block(**kw)
# preorder/register using Stacks
testlib.blockstack_name_preorder("baz.test",
wallets[2].privkey,
addr2,
price={
'units': 'STACKS',
'amount': stacks_price
})
testlib.blockstack_name_preorder("goo.test",
wallets[2].privkey,
addr2,
price={
'units': 'STACKS',
'amount': stacks_price
})
testlib.blockstack_name_preorder("nop.test",
wallets[2].privkey,
addr2,
price={
'units': 'STACKS',
'amount': stacks_price
})
testlib.next_block(**kw)
testlib.blockstack_name_register("baz.test", wallets[2].privkey, addr2)
testlib.blockstack_name_register("goo.test", wallets[2].privkey, addr2)
testlib.blockstack_name_register("nop.test", wallets[2].privkey, addr2)
testlib.next_block(**kw)
balance_before = testlib.get_addr_balances(addr2)[addr2]['STACKS']
# pay with both Stacks and Bitcoin
# should favor Stacks payment over Bitcoin payment if we pay enough stacks.
# Stacks should have been burned, as well as BTC.
res = testlib.blockstack_name_renew('baz.test',
pk2,
price={
'units': 'STACKS',
'amount': stacks_price
},
tx_only=True,
expect_success=True)
txhex = res['transaction']
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount
btc_price = blockstack.lib.scripts.price_name(
'baz', namespace, testlib.get_current_block(**kw))
tx['outs'][3]['script'] = virtualchain.btc_make_payment_script(
blockstack.lib.config.BLOCKSTACK_BURN_ADDRESS)
tx['outs'][3]['value'] = btc_price
tx['outs'][4]['value'] -= btc_price
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
pk2, testlib.get_utxos(addr2), txhex)
# re-sign the last output with the payment key
tx_signed = virtualchain.btc_tx_deserialize(txhex_signed)
tx_signed['ins'][-1]['script'] = ''
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
testlib.get_default_payment_wallet().privkey,
testlib.get_utxos(testlib.get_default_payment_wallet().addr),
virtualchain.btc_tx_serialize(tx_signed))
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
if 'error' in res:
print res
return False
testlib.next_block(**kw)
# should have paid in Stacks
balance_after = testlib.get_addr_balances(addr2)[addr2]['STACKS']
if balance_after != balance_before - stacks_price:
print 'baz.test cost {}'.format(balance_before - balance_after)
return False
balance_before = testlib.get_addr_balances(addr2)[addr2]['STACKS']
# try to renew a name where we pay not enough stacks, but enough bitcoin.
# should be rejected.
res = testlib.blockstack_name_renew('goo.test',
pk2,
price={
'units': 'STACKS',
'amount': stacks_price - 1
},
tx_only=True)
txhex = res['transaction']
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount to the name price
btc_price = blockstack.lib.scripts.price_name(
'goo', namespace, testlib.get_current_block(**kw))
tx['outs'][3]['script'] = virtualchain.btc_make_payment_script(
blockstack.lib.config.BLOCKSTACK_BURN_ADDRESS)
tx['outs'][3]['value'] = btc_price
tx['outs'][4]['value'] -= btc_price
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
pk2, testlib.get_utxos(addr2), txhex)
# re-sign the last output with the payment key
tx_signed = virtualchain.btc_tx_deserialize(txhex_signed)
tx_signed['ins'][-1]['script'] = ''
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
testlib.get_default_payment_wallet().privkey,
testlib.get_utxos(testlib.get_default_payment_wallet().addr),
virtualchain.btc_tx_serialize(tx_signed))
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
if 'error' in res:
print res
return False
testlib.next_block(**kw)
# should NOT have paid in Stacks
balance_after = testlib.get_addr_balances(addr2)[addr2]['STACKS']
if balance_after != balance_before:
print 'goo.test paid {}'.format(balance_before - balance_after)
return False
balance_before = testlib.get_addr_balances(addr2)[addr2]['STACKS']
# underpay in both Stacks and Bitcoin.
# only bitcoin will be burned; transaction will not be processed
res = testlib.blockstack_name_renew('nop.test',
pk2,
price={
'units': 'STACKS',
'amount': stacks_price - 1
},
tx_only=True)
txhex = res['transaction']
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount to the name price
btc_price = blockstack.lib.scripts.price_name(
'goo', namespace, testlib.get_current_block(**kw))
tx['outs'][3]['script'] = virtualchain.btc_make_payment_script(
blockstack.lib.config.BLOCKSTACK_BURN_ADDRESS)
tx['outs'][3]['value'] = btc_price - 1
tx['outs'][4]['value'] -= btc_price + 1
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
pk2, testlib.get_utxos(addr2), txhex)
# re-sign the last output with the payment key
tx_signed = virtualchain.btc_tx_deserialize(txhex_signed)
tx_signed['ins'][-1]['script'] = ''
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
testlib.get_default_payment_wallet().privkey,
testlib.get_utxos(testlib.get_default_payment_wallet().addr),
virtualchain.btc_tx_serialize(tx_signed))
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
if 'error' in res:
print res
return False
testlib.next_block(**kw)
testlib.expect_snv_fail_at('nop.test', testlib.get_current_block(**kw))
balance_after = testlib.get_addr_balances(addr2)[addr2]['STACKS']
if balance_after != balance_before:
print 'paid {} for nop.test'.format(balance_before - balance_after)
return False
def scenario(wallets, **kw):
segwit_addr_1 = get_segwit_address(wallets[1].privkey)
segwit_addr_1_tb = get_segwit_address(wallets[1].privkey, hrp='tb')
segwit_addr_0_tb = get_segwit_address(wallets[0].privkey, hrp='tb')
print segwit_addr_0_tb
print segwit_addr_1_tb
pubk = virtualchain.lib.ecdsalib.ecdsa_private_key(
wallets[1].privkey, compressed=True).public_key().to_hex()
addrhash = virtualchain.lib.hashing.bin_hash160(
pubk.decode('hex')).encode('hex')
a = 'tb1pzjpqjwmz5d5e9qkey6vphmtkvh5rsn9225xsgg79'
namespace_preorder_name_hash = blockstack.lib.hashing.hash_name(
'test', virtualchain.make_payment_script(wallets[0].addr), a)
print 'hash of {} + {} + {} = {}'.format(
'test', virtualchain.make_payment_script(wallets[0].addr), a,
namespace_preorder_name_hash)
resp = testlib.blockstack_namespace_preorder("test",
wallets[1].addr,
wallets[0].privkey,
tx_only=True)
tx = virtualchain.btc_tx_deserialize(resp['transaction'])
new_tx = {
'locktime': 0,
'version': 1,
'ins': tx['ins'],
'outs': tx['outs'],
}
for inp in new_tx['ins']:
inp['script'] = ''
inp['witness_script'] = ''
print 'script before: {}'.format(tx['outs'][0]['script'])
patched_script = virtualchain.make_data_script(
'id*'.encode('hex') + namespace_preorder_name_hash +
tx['outs'][0]['script'].decode('hex')[25:].encode('hex'))
print 'script after : {}'.format(patched_script)
new_tx['outs'][0] = {'script': patched_script, 'value': 0}
unsigned_txhex = virtualchain.btc_tx_serialize(new_tx)
print 'unsigned: {}'.format(unsigned_txhex)
addr = virtualchain.address_reencode(
virtualchain.get_privkey_address(wallets[0].privkey))
utxos = testlib.get_utxos(addr)
prev_outputs = [{
'out_script': inp['out_script'],
'value': inp['value']
} for inp in utxos]
signed_txhex = virtualchain.tx_sign_all_unsigned_inputs(
wallets[0].privkey, prev_outputs, unsigned_txhex)
print 'signed: {}'.format(signed_txhex)
res = testlib.broadcast_transaction(signed_txhex)
assert 'error' not in res
testlib.next_block(**kw)
# should fail
resp = testlib.blockstack_namespace_reveal(
"test",
wallets[1].addr,
52595,
250,
4, [6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
10,
10,
wallets[0].privkey,
tx_only=True)
resp = replace_output_with_bech32(resp['transaction'], 1,
wallets[0].privkey, addrhash)
testlib.next_block(**kw)
def scenario(wallets, **kw):
global pk
testlib.blockstack_namespace_preorder("test", wallets[1].addr,
wallets[0].privkey)
testlib.next_block(**kw)
testlib.blockstack_namespace_reveal(
"test", wallets[1].addr, 52595, 250, 4,
[6, 6, 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 10, 10,
wallets[0].privkey)
testlib.next_block(**kw)
testlib.blockstack_namespace_ready("test", wallets[1].privkey)
testlib.next_block(**kw)
# pay for a name in a v1 namespace with Stacks
addr = virtualchain.address_reencode(virtualchain.get_privkey_address(pk))
# calculate the cost of doing so
namespace = testlib.get_state_engine().get_namespace('test')
stacks_price = blockstack.lib.scripts.price_name_stacks(
'foo', namespace, testlib.get_current_block(**kw))
btc_price = blockstack.lib.scripts.price_name(
'foo', namespace, testlib.get_current_block(**kw))
print ''
print 'price of {} in Stacks is {}'.format('foo.test', stacks_price)
print ''
testlib.blockstack_send_tokens(addr, "STACKS", stacks_price * 4,
wallets[0].privkey)
testlib.send_funds(wallets[0].privkey, btc_price * 10,
addr) # fund with enough bitcoin
testlib.next_block(**kw)
# preorder/register using Stacks---Stacks should still be used since that's what the transaction indicates
testlib.blockstack_name_preorder("foo.test",
pk,
wallets[3].addr,
price={
'units': 'STACKS',
'amount': stacks_price
})
testlib.next_block(**kw)
testlib.send_funds(wallets[0].privkey, btc_price * 10, addr)
testlib.blockstack_name_register("foo.test", pk, wallets[3].addr)
testlib.next_block(**kw)
# preorder/register using Bitcoin--Stacks should NOT be used since that's what the transaction indicates
testlib.blockstack_name_preorder("bar.test",
pk,
wallets[3].addr,
price={
'units': 'BTC',
'amount': btc_price
})
testlib.next_block(**kw)
testlib.blockstack_name_register('bar.test', pk, wallets[3].addr)
testlib.next_block(**kw)
balance_before = testlib.get_addr_balances(addr)[addr]['STACKS']
# pay with Stacks and Bitcoin. Preorder should succeed, and register should also succeed since we're paying enough stacks. Underpay bitcoin
res = testlib.blockstack_name_preorder('baz.test',
pk,
wallets[3].addr,
price={
'units': 'STACKS',
'amount': stacks_price
},
tx_only=True,
expect_success=True)
txhex = res['transaction']
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount
btc_price = blockstack.lib.scripts.price_name(
'baz', namespace, testlib.get_current_block(**kw))
tx['outs'][2]['script'] = virtualchain.btc_make_payment_script(
blockstack.lib.config.BLOCKSTACK_BURN_ADDRESS)
tx['outs'][2]['value'] = btc_price - 1
tx['outs'][1]['value'] -= btc_price - 1
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
pk, testlib.get_utxos(addr), txhex)
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
if 'error' in res:
print res
return False
testlib.next_block(**kw)
# should have paid in Stacks
balance_after = testlib.get_addr_balances(addr)[addr]['STACKS']
if balance_after != balance_before - stacks_price:
print 'baz.test cost {}'.format(balance_before - balance_after)
return False
# should succeed, since we paid enough stacks (Bitcoin is not considered)
testlib.blockstack_name_register('baz.test', pk, wallets[3].addr)
testlib.next_block(**kw)
balance_before = testlib.get_addr_balances(addr)[addr]['STACKS']
# register a name where we pay not enough stacks, but enough bitcoin. preorder should succeed, but register should fail since we tried to use stacks
res = testlib.blockstack_name_preorder('goo.test',
pk,
wallets[3].addr,
price={
'units': 'STACKS',
'amount': stacks_price - 1
},
tx_only=True,
expect_success=True)
txhex = res['transaction']
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount to the name price
btc_price = blockstack.lib.scripts.price_name(
'goo', namespace, testlib.get_current_block(**kw))
tx['outs'][2]['script'] = virtualchain.btc_make_payment_script(
blockstack.lib.config.BLOCKSTACK_BURN_ADDRESS)
tx['outs'][2]['value'] = btc_price
tx['outs'][1]['value'] -= btc_price
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
pk, testlib.get_utxos(addr), txhex)
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
if 'error' in res:
print res
return False
testlib.next_block(**kw)
# should have paid in Stacks
balance_after = testlib.get_addr_balances(addr)[addr]['STACKS']
if balance_after != balance_before - stacks_price + 1:
print 'goo.test paid {}'.format(balance_before - balance_after)
return False
# should fail, since we tried to pay in stacks and didn't pay enough
testlib.blockstack_name_register('goo.test', pk, wallets[3].addr)
testlib.next_block(**kw)
testlib.expect_snv_fail_at('goo.test', testlib.get_current_block(**kw))
if testlib.get_state_engine().get_name('goo.test') is not None:
print 'registered goo.test'
return False
balance_before = testlib.get_addr_balances(addr)[addr]['STACKS']
# underpay in both Stacks and Bitcoin.
# both stacks and bitcoin will be burned.
# preorder should succeed, but register should fail.
res = testlib.blockstack_name_preorder('nop.test',
pk,
wallets[3].addr,
price={
'units': 'STACKS',
'amount': stacks_price - 1
},
safety_checks=False,
tx_only=True,
expect_success=True)
txhex = res['transaction']
tx = virtualchain.btc_tx_deserialize(txhex)
# up the burn amount to the name price, but just under
btc_price = blockstack.lib.scripts.price_name(
'nop', namespace, testlib.get_current_block(**kw))
tx['outs'][2]['script'] = virtualchain.btc_make_payment_script(
blockstack.lib.config.BLOCKSTACK_BURN_ADDRESS)
tx['outs'][2]['value'] = btc_price - 1
tx['outs'][1]['value'] -= btc_price - 1
# re-sign
for i in tx['ins']:
i['script'] = ''
txhex = virtualchain.btc_tx_serialize(tx)
txhex_signed = virtualchain.tx_sign_all_unsigned_inputs(
pk, testlib.get_utxos(addr), txhex)
print txhex_signed
res = testlib.broadcast_transaction(txhex_signed)
if 'error' in res:
print res
return False
testlib.next_block(**kw)
# should fail, since we didn't pay enough stacks and tried to pay in stacks
res = testlib.blockstack_name_register('nop.test', pk, wallets[3].addr)
testlib.next_block(**kw)
testlib.expect_snv_fail_at('nop.test', testlib.get_current_block(**kw))
# preorder should still have debited
balance_after = testlib.get_addr_balances(addr)[addr]['STACKS']
if balance_after != balance_before - stacks_price + 1:
print 'paid {} for nop.test'.format(balance_before - balance_after)
return False
