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calculate the right burn address for preorder and renewal

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This commit is contained in:
Jude Nelson
2017-10-04 00:04:56 -04:00
parent effc2d6db3
commit 1b272bb668
1 changed files with 22 additions and 5 deletions
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27
blockstack_client/backend/nameops.py
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@@ -1268,7 +1268,15 @@ def get_namespace_burn_address(fqu, proxy):
"""
Determine the right burn address to use
"""
import blockstack
burn_address = None
indexer_info = blockstack_getinfo()
if 'error' in indexer_info:
return {'error': 'Failed to contact indexer'}
# +1, so we consider the next block to be formed
block_height = indexer_info['last_block_seen'] + 1
# look up burn address
namespace_id = get_namespace_from_name(fqu)
@@ -1278,7 +1286,15 @@ def get_namespace_burn_address(fqu, proxy):
# does this namespace support burn-to-namespace-creator?
if (namespace_info['version'] & NAMESPACE_VERSION_PAY_TO_CREATOR) != 0:
burn_address = namespace_info['address']
# are we still in its fee capture period?
receive_fees_period = blockstack.get_epoch_namespace_receive_fees_period(block_height, namespace_id)
if namespace_info['reveal_block'] + receive_fees_period >= block_height:
# use the namespace burn address
burn_address = str(namespace_info['address'])
else:
# use the null burn address
burn_address = blockstack.BLOCKSTACK_BURN_ADDRESS
else:
burn_address = BLOCKSTACK_BURN_ADDRESS
@@ -1320,9 +1336,9 @@ def do_preorder( fqu, payment_privkey_info, owner_privkey_info, cost_satoshis, u
if burn_address is None:
burn_address = get_namespace_burn_address(fqu, proxy)
else:
burn_address = str(burn_address)
log.debug("Will send name preorder fee to {}".format(burn_address))
if not dry_run and (safety_checks or (cost_satoshis is None or tx_fee is None)):
tx_fee = 0
# find tx fee, and do sanity checks
@@ -1362,7 +1378,7 @@ def do_preorder( fqu, payment_privkey_info, owner_privkey_info, cost_satoshis, u
utxo_client = build_utxo_client( utxo_client, address=payment_address, utxos=payment_utxos )
assert utxo_client, "Unable to build UTXO client"
log.debug("Preordering (%s, %s, %s), for %s, tx_fee = %s" % (fqu, payment_address, owner_address, cost_satoshis, tx_fee))
log.debug("Preordering (%s, %s, %s), for %s, tx_fee = %s, burn address = %s" % (fqu, payment_address, owner_address, cost_satoshis, tx_fee, burn_address))
try:
unsigned_tx, num_utxos = make_cheapest_name_preorder(fqu, payment_address, owner_address, burn_address, cost_satoshis, consensus_hash, utxo_client, payment_utxos, tx_fee=tx_fee)
@@ -1739,7 +1755,8 @@ def do_renewal( fqu, owner_privkey_info, payment_privkey_info, renewal_fee, utxo
utxo_client = build_utxo_client( utxo_client, address=owner_address, utxos=owner_utxos )
assert utxo_client, "Unable to build UTXO client"
log.debug("Renewing (%s, %s, %s), tx_fee_per_byte = %s, renewal_fee = %s, zonefile_hash = %s, recipient_addr = %s" % (fqu, payment_address, owner_address, tx_fee_per_byte, renewal_fee, zonefile_hash, recipient_addr))
log.debug("Renewing (%s, %s, %s), tx_fee_per_byte = %s, renewal_fee = %s, zonefile_hash = %s, recipient_addr = %s, burn_address = %s" %
(fqu, payment_address, owner_address, tx_fee_per_byte, renewal_fee, zonefile_hash, recipient_addr, burn_address))
# now send it
subsidized_tx = None