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if we don't have UTXOs yet, then simulate them

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This commit is contained in:
Jude Nelson
2017-09-28 00:41:04 -04:00
parent bf32a6161e
commit 97c3c994c9
1 changed files with 31 additions and 5 deletions
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36
blockstack_client/backend/safety.py
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@@ -597,6 +597,25 @@ def interpret_operation_sanity_checks( operations, scatter_gather ):
return reply
def make_fake_input(addr, value=21 * 10**8):
"""
Make a fake transaction input, based on the kind of input the given private key information
is expected to create.
"""
fake_input = {
"transaction_hash": '00' * 32,
'outpoint': {
'index': 0,
'hash': '00' * 32,
},
"value": value,
"out_script": virtualchain.make_payment_script(addr),
"confirmations": 256,
}
return fake_input
def estimate_transaction_inputs(operations, inputs, owner_address=None, payment_address=None):
"""
Estimate the inputs that will be consumed by each
@@ -737,21 +756,28 @@ def get_operation_fees(name_or_ns, operations, scatter_gather, payment_privkey_i
if len(owner_utxos) > 0:
estimated_owner_inputs = estimate_transaction_inputs(operations, owner_utxos, owner_address=owner_address)['inputs']
else:
estimated_owner_inputs = [[]] * len(operations)
# generate a fake owner input
log.warning("Using a fake owner input")
fake_owner_input = make_fake_input(owner_address)
estimated_owner_inputs = [[fake_owner_input]] * len(operations)
if len(payment_utxos) > 0:
estimated_payment_inputs = estimate_transaction_inputs(operations, payment_utxos, payment_address=payment_address)['inputs']
else:
estimated_payment_inputs = [[]] * len(operations)
log.warning("Using a fake payment input")
fake_payment_input = make_fake_input(payment_address)
estimated_payment_inputs = [[fake_payment_input]] * len(operations)
log.debug("Get total operation fees for running '{}' on {} owned by {} paid by {}".format(','.join(operations), name_or_ns, owner_address, payment_address))
for i in xrange(0, len(operations)):
if BLOCKSTACK_TEST:
log.debug("Operation {} may consume owner inputs\n{}".format(operations[i], json.dumps(estimated_owner_inputs[i], indent=4, sort_keys=True)))
log.debug("Operation {} may consume payment inputs\n{}".format(operations[i], json.dumps(estimated_payment_inputs[i], indent=4, sort_keys=True)))
log.debug("Operation {} may consume owner inputs of {}\n{}".format(operations[i], owner_address, json.dumps(estimated_owner_inputs[i], indent=4, sort_keys=True)))
log.debug("Operation {} may consume payment inputs of {}\n{}".format(operations[i], payment_address, json.dumps(estimated_payment_inputs[i], indent=4, sort_keys=True)))
else:
log.debug("Operation {} may consume up to {} owner inputs and {} payment inputs".format(operations[i], len(estimated_owner_inputs[i]), len(estimated_payment_inputs[i])))
log.debug("Operation {} may consume up to {} owner inputs of {} and {} payment inputs of {}".format(
operations[i], len(estimated_owner_inputs[i]), owner_address, len(estimated_payment_inputs[i]), payment_address
))
def _get_balance():
"""