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 convert_funds_to_segwit(payment_key, tx_fee):
# 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')
# fund the segwit address, and then use the same payment key to send the transaction
fund_inputs = testlib.get_utxos(addr)
fund_outputs = [
{"script": '0014' + addrhash,
"value": sum(inp['value'] for inp in fund_inputs) - tx_fee},
]
fund_prev_outputs = [{'out_script': inp['out_script'], 'value': inp['value']} for inp in fund_inputs]
fund_serialized_tx = testlib.serialize_tx(fund_inputs, fund_outputs)
fund_signed_tx = virtualchain.tx_sign_all_unsigned_inputs(payment_key, fund_prev_outputs, fund_serialized_tx)
print fund_signed_tx
res = testlib.broadcast_transaction(fund_signed_tx)
assert 'error' not in res, res
res.update({
'utxos': fund_outputs
})
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 sign_tx(tx_hex, prev_outputs, private_key_info):
"""
Sign a transaction
@param tx_hex (string) the hex-encoded unsigned transaction
@param prev_outputs (list) a list of [{'out_script': xxx, 'value': xxx}] dicts
@param private_key_info (string or dict) the private key info bundle
"""
return virtualchain.tx_sign_all_unsigned_inputs(private_key_info,
prev_outputs, tx_hex)
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 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 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 = testlib.serialize_tx(inputs, outputs)
prev_outputs = [{
'out_script': inp['out_script'],
'value': inp['value']
} for inp in inputs]
signed_tx = virtualchain.tx_sign_all_unsigned_inputs(
privkey, prev_outputs, serialized_tx)
return signed_tx
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 sign_tx(tx_hex, private_key_info):
"""
Sign a transaction
"""
return virtualchain.tx_sign_all_unsigned_inputs(private_key_info, tx_hex)
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
def sign_tx(tx_hex, private_key_info):
"""
Sign a transaction
"""
return virtualchain.tx_sign_all_unsigned_inputs(private_key_info, tx_hex)
