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detect if wallet can sign tx before showing sign button

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This commit is contained in:
ThomasV
2014-06-24 13:22:10 +02:00
parent b32d0c77a3
commit 2c7bf3ca1a
4 changed files with 72 additions and 34 deletions
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65
lib/wallet.py
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@@ -392,47 +392,54 @@ class Abstract_Wallet:
return self.accounts[account_id].get_pubkeys(sequence)
def can_sign(self, tx):
if self.is_watching_only():
return False
if tx.is_complete():
return False
addr_list, xpub_list = tx.inputs_to_sign()
for addr in addr_list:
if self.is_mine(addr):
return True
mpk = [ self.master_public_keys[k] for k in self.master_private_keys.keys() ]
for xpub, sequence in xpub_list:
if xpub in mpk:
return True
return False
def add_keypairs(self, tx, keypairs, password):
# first check the provided password
seed = self.get_seed(password)
for txin in tx.inputs:
x_pubkeys = txin['x_pubkeys']
address = txin['address']
if self.is_mine(address):
addr_list, xpub_list = tx.inputs_to_sign()
for addr in addr_list:
if self.is_mine(addr):
private_keys = self.get_private_key(address, password)
for sec in private_keys:
pubkey = public_key_from_private_key(sec)
keypairs[ pubkey ] = sec
for xpub, sequence in xpub_list:
# look for account that can sign
for k, account in self.accounts.items():
if xpub in account.get_master_pubkeys():
break
else:
continue
from account import BIP32_Account, OldAccount
for x_pubkey in x_pubkeys:
if not is_extended_pubkey(x_pubkey):
continue
if x_pubkey[0:2] == 'ff':
xpub, sequence = BIP32_Account.parse_xpubkey(x_pubkey)
elif x_pubkey[0:2] == 'fe':
xpub, sequence = OldAccount.parse_xpubkey(x_pubkey)
# look for account that can sign
for k, account in self.accounts.items():
if xpub in account.get_master_pubkeys():
break
else:
continue
addr = account.get_address(*sequence)
assert txin['address'] == addr
pk = self.get_private_key(addr, password)
for sec in pk:
pubkey = public_key_from_private_key(sec)
keypairs[pubkey] = sec
addr = account.get_address(*sequence)
pk = self.get_private_key(addr, password)
for sec in pk:
pubkey = public_key_from_private_key(sec)
keypairs[pubkey] = sec