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create coinbase transaction

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This commit is contained in:
admin 2018-02-11 18:51:15 +04:00
parent a5de8d2c2d
commit aa63120489
2 changed files with 16 additions and 14 deletions
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27
pybtc/blockchain.py
View File

@ -600,19 +600,20 @@ class Block():
self.target = None
self.fee = 0
self.witness_root_hash = None
if txs[0].coinbase:
if version > 1:
self.height = int.from_bytes(txs[0].tx_in[0].sig_script.raw[1:5], "little")
self.coinbase = txs[0].tx_in[0].sig_script.raw[5:]
else:
self.coinbase = txs[0].tx_in[0].sig_script.raw
try:
for out in txs[0].tx_out:
if out.pk_script.ntype == 3:
if b'\xaa!\xa9\xed' == out.pk_script.data[:4]:
self.witness_root_hash = out.pk_script.data[4:36]
except:
pass
if txs:
if txs[0].coinbase:
if version > 1:
self.height = int.from_bytes(txs[0].tx_in[0].sig_script.raw[1:5], "little")
self.coinbase = txs[0].tx_in[0].sig_script.raw[5:]
else:
self.coinbase = txs[0].tx_in[0].sig_script.raw
try:
for out in txs[0].tx_out:
if out.pk_script.ntype == 3:
if b'\xaa!\xa9\xed' == out.pk_script.data[:4]:
self.witness_root_hash = out.pk_script.data[4:36]
except:
pass
def calculate_commitment(self, witness = None):
wtxid_list = [b"\x00" * 32,]

3
pybtc/tools.py
View File

@ -439,7 +439,8 @@ def merkle_branches(tx_hash_list):
if len(new_hash_list) > 1:
tx_hash_list = new_hash_list
else:
branches.append(new_hash_list.pop(0))
if new_hash_list:
branches.append(new_hash_list.pop(0))
return branches