def _generate_new_keypair(self):
seed = str(random.randrange(2 ** 256))
# Deprecated (pre-BIP32)
# self.secret = hashlib.sha256(secret).hexdigest()
# self.pubkey = privkey_to_pubkey(self.secret)
# self.log.debug('Keys %s %s', self.secret, self.pubkey)
# Move to BIP32 keys m/0/0/0
wallet = bitcoin.bip32_ckd(bitcoin.bip32_master_key(seed), 0)
wallet_chain = bitcoin.bip32_ckd(wallet, 0)
bip32_identity_priv = bitcoin.bip32_ckd(wallet_chain, 0)
identity_priv = bitcoin.bip32_extract_key(bip32_identity_priv)
bip32_identity_pub = bitcoin.bip32_privtopub(bip32_identity_priv)
identity_pub = bitcoin.encode_pubkey(bitcoin.bip32_extract_key(bip32_identity_pub), 'hex')
self.pubkey = identity_pub
self.secret = identity_priv
new_settings = {
"secret": self.secret,
"pubkey": self.pubkey,
"bip32_seed": seed
}
self.db_connection.update_entries("settings", new_settings, {"market_id": self.market_id})
self.settings.update(new_settings)
def _derive_and_print(master_key: str,
*path: int,
derive_pub_key: bool = True,
magicbyte: int = 0):
master_pub_key = bitcoin.bip32_privtopub(master_key)
derived_key = _derived_key(master_key, *path)
if derive_pub_key:
derived_bip32_pub_key = _derived_key(master_pub_key, *path)
derived_pub_key = bitcoin.bip32_extract_key(derived_bip32_pub_key)
else:
derived_bip32_pub_key = derived_pub_key = 'N.A.'
derived_pub_key_from_key = bitcoin.bip32_privtopub(derived_key)
print(''' Derivation path: ({}),
Derived BIP32 key: {},
Derived BIP32 public key: {},
BIP32 public key from derived BIP32 private: {},
Derived key: {},
Derived public key: {},
Public key from derived key: {},
BTC address: {}
'''.format(
', '.join(
str(x) if x <= 2**31 else str(x - 2**31) + '\'' for x in path),
derived_key, derived_bip32_pub_key, derived_pub_key_from_key,
bitcoin.bip32_extract_key(derived_key), derived_pub_key,
bitcoin.privtopub(bitcoin.bip32_extract_key(derived_key)),
bitcoin.pubtoaddr(bitcoin.privtopub(
bitcoin.bip32_extract_key(derived_key)),
magicbyte=magicbyte)))
def _generate_new_keypair(self):
seed = str(random.randrange(2**256))
# Deprecated (pre-BIP32)
# self.secret = hashlib.sha256(secret).hexdigest()
# self.pubkey = privkey_to_pubkey(self.secret)
# self.log.debug('Keys %s %s', self.secret, self.pubkey)
# Move to BIP32 keys m/0/0/0
wallet = bitcoin.bip32_ckd(bitcoin.bip32_master_key(seed), 0)
wallet_chain = bitcoin.bip32_ckd(wallet, 0)
bip32_identity_priv = bitcoin.bip32_ckd(wallet_chain, 0)
identity_priv = bitcoin.bip32_extract_key(bip32_identity_priv)
bip32_identity_pub = bitcoin.bip32_privtopub(bip32_identity_priv)
identity_pub = bitcoin.encode_pubkey(
bitcoin.bip32_extract_key(bip32_identity_pub), 'hex')
self.pubkey = identity_pub
self.secret = identity_priv
new_settings = {
"secret": self.secret,
"pubkey": self.pubkey,
"bip32_seed": seed
}
self.db_connection.update_entries("settings", new_settings,
{"market_id": self.market_id})
self.settings.update(new_settings)
def showDetails(mnemonic, passphrase="", i=1):
myMnemonic = mnemonic
passphrase = passphrase
mnemo = Mnemonic('english')
seed = hexlify(mnemo.to_seed(myMnemonic, passphrase=passphrase))
print 'Seed:\t\t\t\t', seed
priv = bitcoin.bip32_master_key(unhexlify(seed))
print 'Xpriv:\t\t\t\t', priv
key = bitcoin.encode_privkey(bitcoin.bip32_extract_key(priv),
'wif_compressed')
print 'Key:\t\t\t\t', key
pub = bitcoin.bip32_privtopub(priv)
print 'Derived public key:\t', pub
pubHex = bitcoin.bip32_extract_key(pub)
print 'public key (hex):\t', pubHex
print 'Master Key address:\t', bitcoin.pubtoaddr(pubHex)
print ""
print "TREZOR Keys:"
account = 0
derivedPrivateKey = bitcoin.bip32_ckd(
bitcoin.bip32_ckd(bitcoin.bip32_ckd(priv, 44 + HARDENED), HARDENED),
HARDENED + account)
print 'Derived private key:', derivedPrivateKey
privateKey = bitcoin.encode_privkey(
bitcoin.bip32_extract_key(derivedPrivateKey), 'wif_compressed')
print 'private key (wif):\t', privateKey
derivedPublicKey = bitcoin.bip32_privtopub(derivedPrivateKey)
print 'Derived public key:', derivedPublicKey
publicKeyHex = bitcoin.privtopub(privateKey)
print 'public key (hex):\t', publicKeyHex
address = bitcoin.pubtoaddr(publicKeyHex)
print 'address:\t\t\t', address
print ""
print "Account public keys (XPUB)"
xpubs = []
for i in range(0, i):
derivedPrivateKey = bitcoin.bip32_ckd(
bitcoin.bip32_ckd(bitcoin.bip32_ckd(priv, 44 + HARDENED),
HARDENED), HARDENED + i)
xpub = bitcoin.bip32_privtopub(derivedPrivateKey)
print 'Account', i, 'xpub:', xpub
xpubs.append(xpub)
return xpubs
def showDetails(mnemonic, passphrase="", i=1):
myMnemonic = mnemonic
passphrase = passphrase
mnemo = Mnemonic('english')
seed = hexlify(mnemo.to_seed(myMnemonic, passphrase=passphrase))
print 'Seed:\t\t\t\t', seed
priv = bitcoin.bip32_master_key(unhexlify(seed))
print 'Xpriv:\t\t\t\t', priv
key = bitcoin.encode_privkey(bitcoin.bip32_extract_key(priv), 'wif_compressed')
print 'Key:\t\t\t\t', key
pub = bitcoin.bip32_privtopub(priv)
print 'Derived public key:\t', pub
pubHex = bitcoin.bip32_extract_key(pub)
print 'public key (hex):\t', pubHex
print 'Master Key address:\t', bitcoin.pubtoaddr(pubHex)
print ""
print "TREZOR Keys:"
account = 0
derivedPrivateKey = bitcoin.bip32_ckd(bitcoin.bip32_ckd(bitcoin.bip32_ckd(priv, 44+HARDENED), HARDENED), HARDENED+account)
print 'Derived private key:', derivedPrivateKey
privateKey = bitcoin.encode_privkey(bitcoin.bip32_extract_key(derivedPrivateKey), 'wif_compressed')
print 'private key (wif):\t', privateKey
derivedPublicKey = bitcoin.bip32_privtopub(derivedPrivateKey)
print 'Derived public key:', derivedPublicKey
publicKeyHex = bitcoin.privtopub(privateKey)
print 'public key (hex):\t', publicKeyHex
address = bitcoin.pubtoaddr(publicKeyHex)
print 'address:\t\t\t', address
print ""
print "Account public keys (XPUB)"
xpubs = []
for i in range(0, i):
derivedPrivateKey = bitcoin.bip32_ckd(bitcoin.bip32_ckd(bitcoin.bip32_ckd(priv, 44+HARDENED), HARDENED), HARDENED+i)
xpub = bitcoin.bip32_privtopub(derivedPrivateKey)
print 'Account', i, 'xpub:', xpub
xpubs.append(xpub)
return xpubs
def cosign(master_xpriv, recovery_package):
raw_txs = recovery_package['txs']
print "Signing %d transactions" % len(raw_txs)
for tx_index, tx_raw in enumerate(raw_txs):
print "\nTransaction #", tx_index
hex_tx = tx_raw['bytes']
tx = bitcoin.transaction.deserialize(unhexlify(hex_tx))
keypaths = tx_raw['input_paths']
keypairs = {}
for p in keypaths:
xpriv = seedlib.bip32_child(master_xpriv, p)
priv = bitcoin.bip32_extract_key(xpriv)
pub = bitcoin.privtopub(priv)
keypairs[pub] = priv
for i, inp in enumerate(tx['ins']):
(sigs, pubkeys, redeemScript, M,
N) = multisig.decode_multisig_script(inp['script'])
for p in pubkeys:
if p in keypairs:
sig_new = bitcoin.multisign(hex_tx, i, redeemScript,
keypairs[p])
sigs.append(sig_new)
tx_new = bitcoin.apply_multisignatures(
unhexlify(hex_tx), i, redeemScript, sigs)
print "Signed transaction %d input %d" % (tx_index, i)
# replace tx with newly signed transaction
hex_tx = hexlify(tx_new)
recovery_package['txs'][tx_index]['bytes'] = hex_tx
return recovery_package
def get_private_for_chain(account, key_number, settings=None):
if settings is None:
settings = Settings.Instance().get_settings_json()
account_key = settings['accounts'][account]['accountKey']
return_key = bitcoin.bip32_ckd( account_key, key_number )
return_key = bitcoin.bip32_extract_key( return_key )
return return_key
def create_invoice_domain (domain, payer):
cur = BMMySQL().conn().cursor(MySQLdb.cursors.DictCursor)
filterwarnings('ignore', category = MySQLdb.Warning)
cur.execute ("SELECT bm, masterpubkey_btc, offset_btc, feeamount, feecurrency FROM domain WHERE name = %s AND active = 1", (domain))
result = False
for row in cur.fetchall():
result = row
while result:
if result['masterpubkey_btc'][0:4] == "xpub":
# BIP44
dpk1 = bitcoin.bip32_ckd(result['masterpubkey_btc'], 0)
dpk2 = bitcoin.bip32_ckd(dpk1, result['offset_btc'])
pubkey = bitcoin.bip32_extract_key(dpk2)
else:
# Electrum 1.x
pubkey = bitcoin.electrum_pubkey(result['masterpubkey_btc'], result['offset_btc'])
address = bitcoin.pubkey_to_address(pubkey)
bitcoind_importaddress(address)
cur.execute ("UPDATE domain SET offset_btc = offset_btc + 1 WHERE name = %s AND active = 1 AND masterpubkey_btc = %s", (domain, result['masterpubkey_btc']))
if result['feecurrency'] in ("USD", "GBP", "EUR"):
result['feeamount'] /= decimal.Decimal(get_bitcoin_price(result['feecurrency']))
cur.execute ("INSERT IGNORE INTO invoice (issuer, payer, address, coin, amount, type, paid) VALUES (%s, %s, %s, 'BTC', %s, 0, 0)", (result['bm'], payer, address, result['feeamount']))
# invoice already exists for that address, increment
if cur.rowcount == 0:
cur.execute ("SELECT bm, masterpubkey_btc, offset_btc, feeamount, feecurrency FROM domain WHERE name = %s AND active = 1", (domain))
result = False
for row in cur.fetchall():
result = row
continue
cur.close()
return address, result['feeamount'];
cur.close()
return False
def get_bip32_key(public_keys):
settings = Settings.Instance().get_settings_json()
if (settings['bip32master'] is None):
return None
account_number, account_key, key_number = KeyHelper.get_account_number_and_chain(
settings)
#see if we already have this cached, and I can just get the key fast
cached = set(settings['accounts'][account_number].get(keys, []))
pub_set = set(public_keys)
hits = cached & pub_set
if len(hits) > 0:
return KeyHelper.get_private_for_chain(account_number, hits[0][0],
settings)
#drat, didn't find it! at least we can only need to test the ones that
#we didn't already check
missed = set(range(key_number)) - set([cache[0] for cache in cached])
for i in missed:
priv = bitcoin.bip32_ckd(account_key, i)
priv = bitcoin.bip32_extract_key(priv)
canidate = bitcoin.privtopub(priv)
if (canidate in public_keys):
return priv
return None
def get_next_public_key():
settings = Settings.Instance().get_settings_json()
if (settings['bip32master'] is None):
raise RuntimeError("Master key has not been set up yet")
account_number, account_key, key_number = KeyHelper.get_account_number_and_chain(
settings)
return_key = bitcoin.bip32_ckd(account_key, key_number)
return_key = bitcoin.bip32_extract_key(return_key)
return_key = bitcoin.privtopub(return_key)
#save key for later
if 'keys' not in settings['accounts'][account_number]:
settings['accounts'][account_number]['keys'] = []
settings['accounts'][account_number]['keys'].append(
(key_number, return_key, False))
#we increment the key counter after making the key
#because the chain code is 0 indexed, making the 0th key
#the first one we use
key_number += 1
#remember to save our new key
settings['accounts'][account_number]['numKeys'] = key_number
Settings.Instance().save_config_file(settings)
return return_key
def get_private_for_chain(account, key_number, settings=None):
if settings is None:
settings = Settings.Instance().get_settings_json()
account_key = settings['accounts'][account]['accountKey']
return_key = bitcoin.bip32_ckd(account_key, key_number)
return_key = bitcoin.bip32_extract_key(return_key)
return return_key
def regenerate_keys(account_key, needed_keys, key_list):
for key in needed_keys:
return_key = bitcoin.bip32_ckd(account_key, key)
return_key = bitcoin.bip32_extract_key(return_key)
return_key = bitcoin.privtopub(return_key)
key_list.append((key, return_key, False))
return
def get_bip32_key( public_keys ):
settings = Settings.Instance().get_settings_json()
if( settings['bip32master'] is None ):
return None
account_number, account_key, key_number = KeyHelper.get_account_number_and_chain( settings )
#see if we already have this cached, and I can just get the key fast
cached = set( settings['accounts'][account_number].get(keys,[]) )
pub_set = set( public_keys )
hits = cached & pub_set
if len(hits) > 0:
return KeyHelper.get_private_for_chain( account_number, hits[0][0], settings )
#drat, didn't find it! at least we can only need to test the ones that
#we didn't already check
missed = set(range(key_number)) - set([cache[0] for cache in cached])
for i in missed:
priv = bitcoin.bip32_ckd( account_key, i )
priv = bitcoin.bip32_extract_key( priv )
canidate = bitcoin.privtopub( priv )
if( canidate in public_keys ):
return priv
return None
def get_next_public_key( ):
settings = Settings.Instance().get_settings_json()
if( settings['bip32master'] is None ):
raise RuntimeError( "Master key has not been set up yet" )
account_number, account_key, key_number = KeyHelper.get_account_number_and_chain( settings )
return_key = bitcoin.bip32_ckd( account_key, key_number )
return_key = bitcoin.bip32_extract_key( return_key )
return_key = bitcoin.privtopub( return_key )
#save key for later
if 'keys' not in settings['accounts'][account_number]:
settings['accounts'][account_number]['keys'] = []
settings['accounts'][account_number]['keys'].append( (key_number, return_key, False ) )
#we increment the key counter after making the key
#because the chain code is 0 indexed, making the 0th key
#the first one we use
key_number += 1
#remember to save our new key
settings['accounts'][account_number]['numKeys'] = key_number
Settings.Instance().save_config_file( settings )
return return_key
def _derive_address(self, change_or_deposit, index, master_key):
xpriv = bip32_ckd(
bip32_ckd(self.get_bip44_master(master_key), change_or_deposit),
index)
priv = bip32_extract_key(xpriv)
address = privtoaddr(priv, self.get_address_byte())
return address, priv
def create_invoice_user (email):
cur = BMMySQL().conn().cursor(MySQLdb.cursors.DictCursor)
cur.execute ("SELECT bm, masterpubkey_btc, offset_btc, feeamount, feecurrency FROM user WHERE email = %s AND active = 1", (email))
result = False
for row in cur.fetchall():
result = row
if result:
if result['masterpubkey_btc'][0:4] == "xpub":
# BIP44
dpk1 = bitcoin.bip32_ckd(result['masterpubkey_btc'], 0)
dpk2 = bitcoin.bip32_ckd(dpk1, result['offset_btc'])
pubkey = bitcoin.bip32_extract_key(dpk2)
else:
# Electrum 1.x
pubkey = bitcoin.electrum_pubkey(result['masterpubkey_btc'], result['offset_btc'])
address = bitcoin.pubkey_to_address(pubkey)
bitcoind_importaddress(address)
cur.execute ("UPDATE user SET offset_btc = offset_btc + 1 WHERE email = %s AND active = 1 AND masterpubkey_btc = %s", (email, result['masterpubkey_btc']))
if result['feecurrency'] in ("USD", "GBP", "EUR"):
result['feeamount'] /= decimal.Decimal(get_bitcoin_price(result['feecurrency']))
cur.execute ("INSERT INTO invoice (issuer, address, coin, amount, type, paid) VALUES (%s, %s, 'BTC', %s, 1, 0)", (result['bm'], address, result['feeamount']))
cur.close()
return address, result['feeamount'];
cur.close()
return False
def regenerate_keys( account_key, needed_keys, key_list ):
for key in needed_keys:
return_key = bitcoin.bip32_ckd(account_key, key)
return_key = bitcoin.bip32_extract_key(return_key)
return_key = bitcoin.privtopub(return_key)
key_list.append( ( key, return_key, False ) )
return
def derive_childkey(key, chaincode, prefix=bitcoin.MAINNET_PUBLIC):
"""
Given a 33 byte public key and 32 byte chaincode (both in hex) derive the first child key.
"""
master_key = bitcoin.bip32_serialize((prefix, 0, b"\x00" * 4, 0, unhexlify(chaincode), unhexlify(key)))
child_key = bitcoin.bip32_ckd(master_key, 0)
return bitcoin.bip32_extract_key(child_key)
def derive_childkey(key, chaincode, prefix=bitcoin.MAINNET_PUBLIC):
"""
Given a 33 byte public key and 32 byte chaincode (both in hex) derive the first child key.
"""
master_key = bitcoin.bip32_serialize((prefix, 0, b'\x00'*4, 0,
unhexlify(chaincode), unhexlify(key)))
child_key = bitcoin.bip32_ckd(master_key, 0)
return bitcoin.bip32_extract_key(child_key)
def getPrivKey(xpriv, i):
privkeys = {}
priv0 = bitcoin.bip32_ckd(xpriv, 0)
privateKey = bitcoin.bip32_ckd(priv0, i)
wifKey = bitcoin.encode_privkey(bitcoin.bip32_extract_key(privateKey), 'wif_compressed')
address_fromPriv = bitcoin.privtoaddr(wifKey)
privkeys[address_fromPriv] = wifKey
return privkeys
def getAddressesFromXPUB(xpub, i=10):
addressList = []
pub0 = bitcoin.bip32_ckd(xpub, 0)
for i in range (0, i):
publicKey = bitcoin.bip32_ckd(pub0, i)
hexKey = bitcoin.encode_pubkey(bitcoin.bip32_extract_key(publicKey), 'hex_compressed')
address_fromPub = bitcoin.pubtoaddr(hexKey)
addressList.append(address_fromPub)
return addressList
def key_address(masterkey, path):
"""Compute address and private key (hex) for path"""
derived_key = descend(masterkey, path)
priv_key = btc.bip32_deserialize(derived_key)[-1]
pub_key = btc.bip32_extract_key(btc.bip32_privtopub(derived_key))
priv_key_hex = btc.encode_privkey(
btc.decode_privkey(priv_key, 'bin_compressed'), 'hex')
address = btc.pubkey_to_address(pub_key)
return priv_key_hex, address
def get_next_address(send_job):
if 'addresses' in send_job:
this_index = send_job['index']
send_job['index'] = (send_job['index'] + 1) % len(send_job['addresses'])
return send_job['addresses'][this_index]
elif 'xpub' in send_job:
send_job['index'] += 1
return btc.pubtoaddr(btc.bip32_extract_key(btc.bip32_ckd(
send_job['xpub'], send_job['index']-1)), get_p2pk_vbyte())
else:
assert False
def _generate_new_keypair(self):
seed = str(random.randrange(2**256))
# Deprecated (pre-BIP32)
# self.secret = hashlib.sha256(secret).hexdigest()
# self.pubkey = privkey_to_pubkey(self.secret)
# self.log.debug('Keys %s %s', self.secret, self.pubkey)
# Move to BIP32 keys m/0/0/0
wallet = bitcoin.bip32_ckd(bitcoin.bip32_master_key(seed), 0)
wallet_chain = bitcoin.bip32_ckd(wallet, 0)
bip32_identity_priv = bitcoin.bip32_ckd(wallet_chain, 0)
identity_priv = bitcoin.bip32_extract_key(bip32_identity_priv)
bip32_identity_pub = bitcoin.bip32_privtopub(bip32_identity_priv)
identity_pub = bitcoin.encode_pubkey(
bitcoin.bip32_extract_key(bip32_identity_pub), 'hex')
self.pubkey = identity_pub
self.secret = identity_priv
# Generate SIN
sha_hash = hashlib.sha256()
sha_hash.update(self.pubkey)
ripe_hash = hashlib.new('ripemd160')
ripe_hash.update(sha_hash.digest())
self.guid = ripe_hash.hexdigest()
self.sin = obelisk.EncodeBase58Check('\x0F\x02%s' % ripe_hash.digest())
newsettings = {
"secret": self.secret,
"pubkey": self.pubkey,
"guid": self.guid,
"sin": self.sin,
"bip32_seed": seed
}
self.db_connection.update_entries("settings", newsettings,
{"market_id": self.market_id})
self.settings.update(newsettings)
def _generate_new_keypair(self):
seed = str(random.randrange(2 ** 256))
# Deprecated (pre-BIP32)
# self.secret = hashlib.sha256(secret).hexdigest()
# self.pubkey = privkey_to_pubkey(self.secret)
# self.log.debug('Keys %s %s', self.secret, self.pubkey)
# Move to BIP32 keys m/0/0/0
wallet = bitcoin.bip32_ckd(bitcoin.bip32_master_key(seed), 0)
wallet_chain = bitcoin.bip32_ckd(wallet, 0)
bip32_identity_priv = bitcoin.bip32_ckd(wallet_chain, 0)
identity_priv = bitcoin.bip32_extract_key(bip32_identity_priv)
bip32_identity_pub = bitcoin.bip32_privtopub(bip32_identity_priv)
identity_pub = bitcoin.encode_pubkey(bitcoin.bip32_extract_key(bip32_identity_pub), 'hex')
self.pubkey = identity_pub
self.secret = identity_priv
# Generate SIN
sha_hash = hashlib.sha256()
sha_hash.update(self.pubkey)
ripe_hash = hashlib.new('ripemd160')
ripe_hash.update(sha_hash.digest())
self.guid = ripe_hash.hexdigest()
self.sin = obelisk.EncodeBase58Check('\x0F\x02%s' % ripe_hash.digest())
newsettings = {
"secret": self.secret,
"pubkey": self.pubkey,
"guid": self.guid,
"sin": self.sin,
"bip32_seed": seed
}
self.db_connection.update_entries("settings", newsettings, {"market_id": self.market_id})
self.settings.update(newsettings)
def get_signing_key(self, contract_id):
# Get BIP32 child signing key for this order id
rows = self.db_connection.select_entries("keystore", {
'contract_id': contract_id
})
if len(rows):
key_id = rows[0]['id']
settings = self.get_settings()
wallet = bitcoin.bip32_ckd(bitcoin.bip32_master_key(settings.get('bip32_seed')), 1)
wallet_chain = bitcoin.bip32_ckd(wallet, 0)
bip32_identity_priv = bitcoin.bip32_ckd(wallet_chain, key_id)
# bip32_identity_pub = bitcoin.bip32_privtopub(bip32_identity_priv)
return bitcoin.encode_privkey(bitcoin.bip32_extract_key(bip32_identity_priv), 'wif')
else:
self.log.error('No keys found for that contract id: #%s', contract_id)
return
def get_scriptpubkeys(self, change, from_index, count):
result = []
for index in range(from_index, from_index + count):
pubkeys = [
btc.bip32_extract_key(btc.bip32_ckd(branch[change], index))
for branch in self.pubkey_branches
]
pubkeys = sorted(pubkeys)
redeemScript = ""
redeemScript += "%x" % (0x50 + self.m) #op_m
for p in pubkeys:
redeemScript += "21" #length
redeemScript += p
redeemScript += "%x" % (0x50 + len(pubkeys)) #op_n
redeemScript += "ae" # op_checkmultisig
scriptpubkey = self.redeem_script_to_scriptpubkey(redeemScript)
self.scriptpubkey_index[scriptpubkey] = (change, index)
result.append(scriptpubkey)
self.next_index[change] = max(self.next_index[change],
from_index + count)
return result
def generate_new_pubkey(self, contract_id):
self.log.debug('Generating new pubkey for contract')
# Retrieve next key id from DB
next_key_id = len(self.db_connection.select_entries("keystore", select_fields="id")) + 1
# Store updated key in DB
self.db_connection.insert_entry(
"keystore",
{
'contract_id': contract_id
}
)
# Generate new child key (m/1/0/n)
wallet = bitcoin.bip32_ckd(bitcoin.bip32_master_key(self.settings.get('bip32_seed')), 1)
wallet_chain = bitcoin.bip32_ckd(wallet, 0)
bip32_identity_priv = bitcoin.bip32_ckd(wallet_chain, next_key_id)
bip32_identity_pub = bitcoin.bip32_privtopub(bip32_identity_priv)
pubkey = bitcoin.encode_pubkey(bitcoin.bip32_extract_key(bip32_identity_pub), 'hex')
return pubkey
def generate_new_pubkey(self, contract_id):
self.log.debug('Generating new pubkey for contract')
# Retrieve next key id from DB
next_key_id = len(
self.db_connection.select_entries("keystore",
select_fields="id")) + 1
# Store updated key in DB
self.db_connection.insert_entry("keystore",
{'contract_id': contract_id})
# Generate new child key (m/1/0/n)
wallet = bitcoin.bip32_ckd(
bitcoin.bip32_master_key(self.settings.get('bip32_seed')), 1)
wallet_chain = bitcoin.bip32_ckd(wallet, 0)
bip32_identity_priv = bitcoin.bip32_ckd(wallet_chain, next_key_id)
bip32_identity_pub = bitcoin.bip32_privtopub(bip32_identity_priv)
pubkey = bitcoin.encode_pubkey(
bitcoin.bip32_extract_key(bip32_identity_pub), 'hex')
return pubkey
def get_pubkey(self, change, index):
return btc.bip32_extract_key(
btc.bip32_ckd(self.branches[change], index))
def get_key(self, mixing_depth, forchange, i):
return btc.bip32_extract_key(btc.bip32_ckd(
self.keys[mixing_depth][forchange], i))
import bitcoin
from os import urandom
user = '******'
email = '*****@*****.**'
SECRET_KEY = urandom(32)
master_key = bitcoin.bip32_master_key((user + email).encode() + SECRET_KEY)
print(master_key)
for i in range(10):
child = bitcoin.bip32_ckd(master_key, i)
addr = bitcoin.bip32_extract_key(child)
print(bitcoin.privtoaddr(addr, 0x58))
def add_receipt(self,
received,
libbitcoin_client,
feedback=None,
quality=None,
description=None,
delivery_time=None,
customer_service=None,
review="",
dispute=False,
claim=None,
payout=True):
"""
Add the final piece of the contract that appends the review and payout transaction.
"""
self.blockchain = libbitcoin_client
receipt_json = {
"buyer_receipt": {
"receipt": {
"ref_hash": digest(json.dumps(self.contract, indent=4)).encode("hex"),
"listing": {
"received": received,
"listing_hash": self.contract["buyer_order"]["order"]["ref_hash"]
},
"dispute": {
"dispute": dispute
}
}
}
}
if None not in (feedback, quality, description, delivery_time, customer_service):
receipt_json["buyer_receipt"]["receipt"]["rating"] = {}
receipt_json["buyer_receipt"]["receipt"]["rating"]["feedback"] = feedback
receipt_json["buyer_receipt"]["receipt"]["rating"]["quality"] = quality
receipt_json["buyer_receipt"]["receipt"]["rating"]["description"] = description
receipt_json["buyer_receipt"]["receipt"]["rating"]["delivery_time"] = delivery_time
receipt_json["buyer_receipt"]["receipt"]["rating"]["customer_service"] = customer_service
receipt_json["buyer_receipt"]["receipt"]["rating"]["review"] = review
if payout:
order_id = self.contract["vendor_order_confirmation"]["invoice"]["ref_hash"]
outpoints = pickle.loads(self.db.Purchases().get_outpoint(order_id))
payout_address = self.contract["vendor_order_confirmation"]["invoice"]["payout"]["address"]
redeem_script = str(self.contract["buyer_order"]["order"]["payment"]["redeem_script"])
for output in outpoints:
del output["value"]
value = self.contract["vendor_order_confirmation"]["invoice"]["payout"]["value"]
outs = [{'value': value, 'address': payout_address}]
tx = bitcoin.mktx(outpoints, outs)
signatures = []
chaincode = self.contract["buyer_order"]["order"]["payment"]["chaincode"]
masterkey_b = bitcoin.bip32_extract_key(self.keychain.bitcoin_master_privkey)
buyer_priv = derive_childkey(masterkey_b, chaincode, bitcoin.MAINNET_PRIVATE)
masterkey_v = self.contract["vendor_offer"]["listing"]["id"]["pubkeys"]["bitcoin"]
vendor_key = derive_childkey(masterkey_v, chaincode)
valid_inputs = 0
for index in range(0, len(outpoints)):
sig = bitcoin.multisign(tx, index, redeem_script, buyer_priv)
signatures.append({"input_index": index, "signature": sig})
for s in self.contract["vendor_order_confirmation"]["invoice"]["payout"]["signature(s)"]:
if s["input_index"] == index:
if bitcoin.verify_tx_input(tx, index, redeem_script, s["signature"], vendor_key):
tx = bitcoin.apply_multisignatures(tx, index, str(redeem_script),
sig, str(s["signature"]))
valid_inputs += 1
receipt_json["buyer_receipt"]["receipt"]["payout"] = {}
if valid_inputs == len(outpoints):
self.log.info("Broadcasting payout tx %s to network" % bitcoin.txhash(tx))
self.blockchain.broadcast(tx)
receipt_json["buyer_receipt"]["receipt"]["payout"]["txid"] = bitcoin.txhash(tx)
receipt_json["buyer_receipt"]["receipt"]["payout"]["signature(s)"] = signatures
receipt_json["buyer_receipt"]["receipt"]["payout"]["value"] = value
if claim:
receipt_json["buyer_receipt"]["receipt"]["dispute"]["claim"] = claim
receipt = json.dumps(receipt_json["buyer_receipt"]["receipt"], indent=4)
receipt_json["buyer_receipt"]["signature"] = \
self.keychain.signing_key.sign(receipt, encoder=nacl.encoding.HexEncoder)[:128]
self.contract["buyer_receipt"] = receipt_json["buyer_receipt"]
def create(self,
expiration_date,
metadata_category,
title,
description,
currency_code,
price,
process_time,
nsfw,
shipping_origin=None,
shipping_regions=None,
est_delivery_domestic=None,
est_delivery_international=None,
terms_conditions=None,
returns=None,
keywords=None,
category=None,
condition=None,
sku=None,
images=None,
free_shipping=None,
shipping_currency_code=None,
shipping_domestic=None,
shipping_international=None,
options=None,
moderators=None):
"""
All parameters are strings except:
:param expiration_date: `string` (must be formatted UTC datetime)
:param keywords: `list`
:param nsfw: `boolean`
:param images: a `list` of image files
:param free_shipping: `boolean`
:param shipping_origin: a 'string' formatted `CountryCode`
:param shipping_regions: a 'list' of 'string' formatted `CountryCode`s
:param options: a 'dict' containing options as keys and 'list' as option values.
:param moderators: a 'list' of 'string' guids (hex encoded).
"""
profile = Profile(self.db).get()
self.contract = OrderedDict({
"vendor_offer": {
"listing": {
"metadata": {
"version": "0.1",
"category": metadata_category.lower(),
"category_sub": "fixed price"
},
"id": {
"guid": self.keychain.guid.encode("hex"),
"pubkeys": {
"guid":
self.keychain.guid_signed_pubkey[64:].encode(
"hex"),
"bitcoin":
bitcoin.bip32_extract_key(
self.keychain.bitcoin_master_pubkey),
"encryption":
self.keychain.encryption_pubkey.encode("hex")
}
},
"item": {
"title": title,
"description": description,
"process_time": process_time,
"price_per_unit": {},
"nsfw": nsfw
}
}
}
})
if expiration_date == "":
self.contract["vendor_offer"]["listing"]["metadata"][
"expiry"] = "never"
else:
self.contract["vendor_offer"]["listing"]["metadata"][
"expiry"] = expiration_date + " UTC"
if metadata_category == "physical good" and condition is not None:
self.contract["vendor_offer"]["listing"]["item"][
"condition"] = condition
if currency_code.upper() == "BTC":
item = self.contract["vendor_offer"]["listing"]["item"]
item["price_per_unit"]["bitcoin"] = price
else:
item = self.contract["vendor_offer"]["listing"]["item"]
item["price_per_unit"]["fiat"] = {}
item["price_per_unit"]["fiat"]["price"] = price
item["price_per_unit"]["fiat"]["currency_code"] = currency_code
if keywords is not None:
self.contract["vendor_offer"]["listing"]["item"]["keywords"] = []
self.contract["vendor_offer"]["listing"]["item"][
"keywords"].extend(keywords)
if category is not None:
self.contract["vendor_offer"]["listing"]["item"][
"category"] = category
if sku is not None:
self.contract["vendor_offer"]["listing"]["item"]["sku"] = sku
if options is not None:
self.contract["vendor_offer"]["listing"]["item"][
"options"] = options
if metadata_category == "physical good":
self.contract["vendor_offer"]["listing"]["shipping"] = {}
shipping = self.contract["vendor_offer"]["listing"]["shipping"]
shipping["shipping_origin"] = shipping_origin
if free_shipping is False:
self.contract["vendor_offer"]["listing"]["shipping"][
"free"] = False
self.contract["vendor_offer"]["listing"]["shipping"][
"flat_fee"] = {}
if shipping_currency_code == "BTC":
self.contract["vendor_offer"]["listing"]["shipping"][
"flat_fee"]["bitcoin"] = {}
self.contract["vendor_offer"]["listing"]["shipping"][
"flat_fee"]["bitcoin"]["domestic"] = shipping_domestic
self.contract["vendor_offer"]["listing"]["shipping"][
"flat_fee"]["bitcoin"][
"international"] = shipping_international
else:
shipping = self.contract["vendor_offer"]["listing"][
"shipping"]
shipping["flat_fee"]["fiat"] = {}
shipping["flat_fee"]["fiat"]["price"] = {}
shipping["flat_fee"]["fiat"]["price"][
"domestic"] = shipping_domestic
shipping["flat_fee"]["fiat"]["price"][
"international"] = shipping_international
shipping["flat_fee"]["fiat"][
"currency_code"] = shipping_currency_code
else:
self.contract["vendor_offer"]["listing"]["shipping"][
"free"] = True
self.contract["vendor_offer"]["listing"]["shipping"][
"shipping_regions"] = []
for region in shipping_regions:
shipping = self.contract["vendor_offer"]["listing"]["shipping"]
shipping["shipping_regions"].append(region)
listing = self.contract["vendor_offer"]["listing"]
listing["shipping"]["est_delivery"] = {}
listing["shipping"]["est_delivery"][
"domestic"] = est_delivery_domestic
listing["shipping"]["est_delivery"][
"international"] = est_delivery_international
if profile.HasField("handle"):
self.contract["vendor_offer"]["listing"]["id"][
"blockchain_id"] = profile.handle
if images is not None:
self.contract["vendor_offer"]["listing"]["item"][
"image_hashes"] = []
for image_hash in images:
if len(image_hash) != 40:
raise Exception("Invalid image hash")
self.contract["vendor_offer"]["listing"]["item"][
"image_hashes"].append(image_hash)
if terms_conditions is not None or returns is not None:
self.contract["vendor_offer"]["listing"]["policy"] = {}
if terms_conditions is not None:
self.contract["vendor_offer"]["listing"]["policy"][
"terms_conditions"] = terms_conditions
if returns is not None:
self.contract["vendor_offer"]["listing"]["policy"][
"returns"] = returns
if moderators is not None:
self.contract["vendor_offer"]["listing"]["moderators"] = []
for mod in moderators:
mod_info = self.db.ModeratorStore().get_moderator(
unhexlify(mod))
print mod_info
if mod_info is not None:
moderator = {
"guid": mod,
"blockchain_id": mod_info[6],
"pubkeys": {
"signing": {
"key": mod_info[1][64:].encode("hex"),
"signature": mod_info[1][:64].encode("hex")
},
"encryption": {
"key": mod_info[2].encode("hex"),
"signature": mod_info[3].encode("hex")
},
"bitcoin": {
"key": mod_info[4].encode("hex"),
"signature": mod_info[5].encode("hex")
}
}
}
self.contract["vendor_offer"]["listing"][
"moderators"].append(moderator)
listing = json.dumps(self.contract["vendor_offer"]["listing"],
indent=4)
self.contract["vendor_offer"]["signature"] = \
self.keychain.signing_key.sign(listing, encoder=nacl.encoding.HexEncoder)[:128]
self.save()
def verify(self, sender_key):
"""
Validate that an order sent over by a buyer is filled out correctly.
"""
try:
contract_dict = json.loads(json.dumps(self.contract, indent=4),
object_pairs_hook=OrderedDict)
del contract_dict["buyer_order"]
contract_hash = digest(json.dumps(contract_dict, indent=4))
ref_hash = unhexlify(
self.contract["buyer_order"]["order"]["ref_hash"])
# verify that the reference hash matches the contract and that the contract actually exists
if contract_hash != ref_hash or not self.db.HashMap().get_file(
ref_hash):
raise Exception("Order for contract that doesn't exist")
# verify the signature on the order
verify_key = nacl.signing.VerifyKey(sender_key)
verify_key.verify(
json.dumps(self.contract["buyer_order"]["order"], indent=4),
unhexlify(self.contract["buyer_order"]["signature"]))
# TODO: verify the bitcoin signature after we add it
# verify buyer included the correct bitcoin amount for payment
price_json = self.contract["vendor_offer"]["listing"]["item"][
"price_per_unit"]
if "bitcoin" in price_json:
asking_price = price_json["bitcoin"]
else:
currency_code = price_json["fiat"]["currency_code"]
fiat_price = price_json["fiat"]["price"]
request = Request('https://api.bitcoinaverage.com/ticker/' +
currency_code.upper() + '/last')
response = urlopen(request)
conversion_rate = response.read()
asking_price = float("{0:.8f}".format(
float(fiat_price) / float(conversion_rate)))
if asking_price > self.contract["buyer_order"]["order"]["payment"][
"amount"]:
raise Exception("Insuffient Payment")
# verify a valid moderator was selected
# TODO: handle direct payments
valid_mod = False
for mod in self.contract["vendor_offer"]["listing"]["moderators"]:
if mod["guid"] == self.contract["buyer_order"]["order"][
"moderator"]:
valid_mod = True
if not valid_mod:
raise Exception("Invalid moderator")
# verify all the shipping fields exist
if self.contract["vendor_offer"]["listing"]["metadata"][
"category"] == "physical good":
shipping = self.contract["buyer_order"]["order"]["shipping"]
keys = [
"ship_to", "address", "postal_code", "city", "state",
"country"
]
for value in map(shipping.get, keys):
if value is None:
raise Exception("Missing shipping field")
# verify buyer ID
pubkeys = self.contract["buyer_order"]["order"]["id"]["pubkeys"]
keys = ["guid", "bitcoin", "encryption"]
for value in map(pubkeys.get, keys):
if value is None:
raise Exception("Missing pubkey field")
# verify redeem script
chaincode = self.contract["buyer_order"]["order"]["payment"][
"chaincode"]
for mod in self.contract["vendor_offer"]["listing"]["moderators"]:
if mod["guid"] == self.contract["buyer_order"]["order"][
"moderator"]:
masterkey_m = mod["pubkeys"]["bitcoin"]["key"]
masterkey_b = self.contract["buyer_order"]["order"]["id"][
"pubkeys"]["bitcoin"]
masterkey_v = bitcoin.bip32_extract_key(
self.keychain.bitcoin_master_pubkey)
buyer_key = derive_childkey(masterkey_b, chaincode)
vendor_key = derive_childkey(masterkey_v, chaincode)
moderator_key = derive_childkey(masterkey_m, chaincode)
redeem_script = bitcoin.mk_multisig_script(
[buyer_key, vendor_key, moderator_key], 2)
if redeem_script != self.contract["buyer_order"]["order"][
"payment"]["redeem_script"]:
raise Exception("Invalid redeem script")
# verify the payment address
if self.testnet:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script, 196)
else:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script)
if payment_address != self.contract["buyer_order"]["order"][
"payment"]["address"]:
raise Exception("Incorrect payment address")
return True
except Exception:
return False
def _derive_address(self, change_or_deposit, index, master_key):
xpriv = bip32_ckd(bip32_ckd(self.get_bip44_master(
master_key), change_or_deposit), index)
priv = bip32_extract_key(xpriv)
address = privtoaddr(priv, self.get_address_byte())
return address, priv
def nextWord(currSeed, nextPos):
global seedCount
global f
if nextPos < len(sys.argv) - 1:
if len(seedStruct[nextPos]) > 1:
for x in range(seedStruct[nextPos]['min'],
seedStruct[nextPos]['max'] + 1):
#print("WordLength: " + str(x) + "------------------------------")
for theWord in words[x]:
currSeed += theWord + " "
nextWord(currSeed, nextPos + 1)
currSeed = currSeed.strip().rsplit(' ', 1)[0] + " "
else:
currSeed += seedStruct[nextPos]['word'] + " "
nextWord(currSeed, nextPos + 1)
currSeed = currSeed.strip().rsplit(' ', 1)[0] + " "
else:
if len(seedStruct[nextPos]) > 1:
for x in range(seedStruct[nextPos]['min'],
seedStruct[nextPos]['max'] + 1):
#print("WordLength: " + str(x) + "------------------------------")
for theWord in words[x]:
currSeed += theWord
else:
currSeed += seedStruct[nextPos]['word']
seedCount += 1
#print("Seed:" + currSeed)
try:
entropy = binascii.hexlify(m.to_entropy(currSeed))
hexSeed = binascii.hexlify(m.to_seed(currSeed))
print("Found valid seed!")
#print(hexSeed)
print("Seed: " + currSeed)
output = open('keys_' + str(seedCount) + '.txt', 'w')
output.write('Seed: ' + currSeed + '\n')
xprv = bitcoin.bip32_master_key(binascii.unhexlify(hexSeed))
#xprvReceive = bitcoin.bip32_ckd(bitcoin.bip32_ckd(xprv, 2**31),0) #m/0'/0
#xprvChange = bitcoin.bip32_ckd(bitcoin.bip32_ckd(xprv, 2**31),1) #m/0'/1
#m/44'/0'/0'/0 - Receive
xprvReceive = bitcoin.bip32_ckd(
bitcoin.bip32_ckd(
bitcoin.bip32_ckd(bitcoin.bip32_ckd(xprv, 44 + 2**31),
2**31), 2**31), 0)
#m/44'/0'/0'/1 - Change
xprvChange = bitcoin.bip32_ckd(
bitcoin.bip32_ckd(
bitcoin.bip32_ckd(bitcoin.bip32_ckd(xprv, 44 + 2**31),
2**31), 2**31), 1)
rcvAddr = []
chgAddr = []
rcvPrivKey = []
chgPrivKey = []
sys.stdout.write("Generating Seed Keys/Addresses.")
for x in range(0, 100):
if x % 10 == 0:
sys.stdout.write(".")
childprivReceive = bitcoin.bip32_ckd(xprvReceive, x)
childprivChange = bitcoin.bip32_ckd(xprvChange, x)
pkeyReceive = bitcoin.bip32_extract_key(childprivReceive)
pkeyChange = bitcoin.bip32_extract_key(childprivChange)
rcvAddr.append(bitcoin.privtoaddr(pkeyReceive))
chgAddr.append(bitcoin.privtoaddr(pkeyChange))
rcvPrivKey.append(
bitcoin.encode_privkey(pkeyReceive, 'wif_compressed'))
chgPrivKey.append(
bitcoin.encode_privkey(pkeyChange, 'wif_compressed'))
for x in range(0, 100):
output.write(rcvPrivKey[x] + '\n')
output.write(chgPrivKey[x] + '\n')
output.write(
'------ END KEYS ------------------------------------\n')
for x in range(0, 100):
output.write(rcvAddr[x] + '\n')
output.write(chgAddr[x] + '\n')
output.write(
'------ END ADDRESSES -------------------------------\n')
output.close()
print("Dumped!")
except ValueError:
sys.stdout.write('.')
if seedCount % 1000000 == 0:
print(str(seedCount) + ' Seeds ' + str(datetime.now()))
f.write((str(seedCount) + ' Seeds ' + str(datetime.now())) + '\n')
currSeed = currSeed.strip().rsplit(' ', 1)[0] + " "
def add_purchase_info(self,
quantity,
ship_to=None,
shipping_address=None,
city=None,
state=None,
postal_code=None,
country=None,
moderator=None,
options=None):
"""
Update the contract with the buyer's purchase information.
"""
profile = Profile(self.db).get()
order_json = {
"buyer_order": {
"order": {
"ref_hash":
digest(json.dumps(self.contract, indent=4)).encode("hex"),
"quantity":
quantity,
"id": {
"guid": self.keychain.guid.encode("hex"),
"pubkeys": {
"guid":
self.keychain.guid_signed_pubkey[64:].encode(
"hex"),
"bitcoin":
bitcoin.bip32_extract_key(
self.keychain.bitcoin_master_pubkey),
"encryption":
self.keychain.encryption_pubkey.encode("hex")
}
},
"payment": {}
}
}
}
if profile.HasField("handle"):
order_json["buyer_order"]["order"]["id"][
"blockchain_id"] = profile.handle
if self.contract["vendor_offer"]["listing"]["metadata"][
"category"] == "physical good":
order_json["buyer_order"]["order"]["shipping"] = {}
order_json["buyer_order"]["order"]["shipping"]["ship_to"] = ship_to
order_json["buyer_order"]["order"]["shipping"][
"address"] = shipping_address
order_json["buyer_order"]["order"]["shipping"]["city"] = city
order_json["buyer_order"]["order"]["shipping"]["state"] = state
order_json["buyer_order"]["order"]["shipping"][
"postal_code"] = postal_code
order_json["buyer_order"]["order"]["shipping"]["country"] = country
if options is not None:
order_json["buyer_order"]["order"]["options"] = options
if moderator: # TODO: Handle direct payments
chaincode = sha256(str(
random.getrandbits(256))).digest().encode("hex")
order_json["buyer_order"]["order"]["payment"][
"chaincode"] = chaincode
valid_mod = False
for mod in self.contract["vendor_offer"]["listing"]["moderators"]:
if mod["guid"] == moderator:
order_json["buyer_order"]["order"]["moderator"] = moderator
masterkey_m = mod["pubkeys"]["bitcoin"]["key"]
valid_mod = True
if not valid_mod:
return False
masterkey_b = bitcoin.bip32_extract_key(
self.keychain.bitcoin_master_pubkey)
masterkey_v = self.contract["vendor_offer"]["listing"]["id"][
"pubkeys"]["bitcoin"]
buyer_key = derive_childkey(masterkey_b, chaincode)
vendor_key = derive_childkey(masterkey_v, chaincode)
moderator_key = derive_childkey(masterkey_m, chaincode)
redeem_script = bitcoin.mk_multisig_script(
[buyer_key, vendor_key, moderator_key], 2)
order_json["buyer_order"]["order"]["payment"][
"redeem_script"] = redeem_script
if self.testnet:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script, 196)
else:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script)
order_json["buyer_order"]["order"]["payment"][
"address"] = payment_address
price_json = self.contract["vendor_offer"]["listing"]["item"][
"price_per_unit"]
if "bitcoin" in price_json:
order_json["buyer_order"]["order"]["payment"][
"amount"] = price_json["bitcoin"]
else:
currency_code = price_json["fiat"]["currency_code"]
fiat_price = price_json["fiat"]["price"]
try:
request = Request('https://api.bitcoinaverage.com/ticker/' +
currency_code.upper() + '/last')
response = urlopen(request)
conversion_rate = response.read()
except URLError:
return False
order_json["buyer_order"]["order"]["payment"]["amount"] = float(
"{0:.8f}".format(float(fiat_price) / float(conversion_rate)))
self.contract["buyer_order"] = order_json["buyer_order"]
order = json.dumps(self.contract["buyer_order"]["order"], indent=4)
# TODO: This should also be signed with the bitcoin key. It's the only way a moderator
# will have to link this contract to a bitcoin transaction.
self.contract["buyer_order"]["signature"] = \
self.keychain.signing_key.sign(order, encoder=nacl.encoding.HexEncoder)[:128]
return (self.contract["buyer_order"]["order"]["payment"]["address"],
order_json["buyer_order"]["order"]["payment"]["amount"])
def add_receipt(self,
received,
libbitcoin_client,
feedback=None,
quality=None,
description=None,
delivery_time=None,
customer_service=None,
review="",
dispute=False,
claim=None,
payout=True):
"""
Add the final piece of the contract that appends the review and payout transaction.
"""
self.blockchain = libbitcoin_client
receipt_json = {
"buyer_receipt": {
"receipt": {
"ref_hash":
digest(json.dumps(self.contract, indent=4)).encode("hex"),
"listing": {
"received":
received,
"listing_hash":
self.contract["buyer_order"]["order"]["ref_hash"]
},
"dispute": {
"dispute": dispute
}
}
}
}
if None not in (feedback, quality, description, delivery_time,
customer_service):
receipt_json["buyer_receipt"]["receipt"]["rating"] = {}
receipt_json["buyer_receipt"]["receipt"]["rating"][
"feedback"] = feedback
receipt_json["buyer_receipt"]["receipt"]["rating"][
"quality"] = quality
receipt_json["buyer_receipt"]["receipt"]["rating"][
"description"] = description
receipt_json["buyer_receipt"]["receipt"]["rating"][
"delivery_time"] = delivery_time
receipt_json["buyer_receipt"]["receipt"]["rating"][
"customer_service"] = customer_service
receipt_json["buyer_receipt"]["receipt"]["rating"][
"review"] = review
if payout:
order_id = self.contract["vendor_order_confirmation"]["invoice"][
"ref_hash"]
outpoints = pickle.loads(
self.db.Purchases().get_outpoint(order_id))
payout_address = self.contract["vendor_order_confirmation"][
"invoice"]["payout"]["address"]
redeem_script = str(self.contract["buyer_order"]["order"]
["payment"]["redeem_script"])
for output in outpoints:
del output["value"]
value = self.contract["vendor_order_confirmation"]["invoice"][
"payout"]["value"]
outs = [{'value': value, 'address': payout_address}]
tx = bitcoin.mktx(outpoints, outs)
signatures = []
chaincode = self.contract["buyer_order"]["order"]["payment"][
"chaincode"]
masterkey_b = bitcoin.bip32_extract_key(
self.keychain.bitcoin_master_privkey)
buyer_priv = derive_childkey(masterkey_b, chaincode,
bitcoin.MAINNET_PRIVATE)
masterkey_v = self.contract["vendor_offer"]["listing"]["id"][
"pubkeys"]["bitcoin"]
vendor_key = derive_childkey(masterkey_v, chaincode)
valid_inputs = 0
for index in range(0, len(outpoints)):
sig = bitcoin.multisign(tx, index, redeem_script, buyer_priv)
signatures.append({"input_index": index, "signature": sig})
for s in self.contract["vendor_order_confirmation"]["invoice"][
"payout"]["signature(s)"]:
if s["input_index"] == index:
if bitcoin.verify_tx_input(tx, index, redeem_script,
s["signature"], vendor_key):
tx = bitcoin.apply_multisignatures(
tx, index, str(redeem_script), sig,
str(s["signature"]))
valid_inputs += 1
receipt_json["buyer_receipt"]["receipt"]["payout"] = {}
if valid_inputs == len(outpoints):
self.log.info("Broadcasting payout tx %s to network" %
bitcoin.txhash(tx))
self.blockchain.broadcast(tx)
receipt_json["buyer_receipt"]["receipt"]["payout"][
"txid"] = bitcoin.txhash(tx)
receipt_json["buyer_receipt"]["receipt"]["payout"][
"signature(s)"] = signatures
receipt_json["buyer_receipt"]["receipt"]["payout"]["value"] = value
if claim:
receipt_json["buyer_receipt"]["receipt"]["dispute"][
"claim"] = claim
receipt = json.dumps(receipt_json["buyer_receipt"]["receipt"],
indent=4)
receipt_json["buyer_receipt"]["signature"] = \
self.keychain.signing_key.sign(receipt, encoder=nacl.encoding.HexEncoder)[:128]
self.contract["buyer_receipt"] = receipt_json["buyer_receipt"]
def add_order_confirmation(self,
payout_address,
comments=None,
shipper=None,
tracking_number=None,
est_delivery=None,
url=None,
password=None):
"""
Add the vendor's order confirmation to the contract.
"""
if not self.testnet and not (payout_address[:1] == "1" or payout_address[:1] == "3"):
raise Exception("Bitcoin address is not a mainnet address")
elif self.testnet and not \
(payout_address[:1] == "n" or payout_address[:1] == "m" or payout_address[:1] == "2"):
raise Exception("Bitcoin address is not a testnet address")
try:
bitcoin.b58check_to_hex(payout_address)
except AssertionError:
raise Exception("Invalid Bitcoin address")
conf_json = {
"vendor_order_confirmation": {
"invoice": {
"ref_hash": digest(json.dumps(self.contract, indent=4)).encode("hex")
}
}
}
if self.contract["vendor_offer"]["listing"]["metadata"]["category"] == "physical good":
shipping = {"shipper": shipper, "tracking_number": tracking_number, "est_delivery": est_delivery}
conf_json["vendor_order_confirmation"]["invoice"]["shipping"] = shipping
elif self.contract["vendor_offer"]["listing"]["metadata"]["category"] == "digital good":
content_source = {"url": url, "password": password}
conf_json["vendor_order_confirmation"]["invoice"]["content_source"] = content_source
if comments:
conf_json["vendor_order_confirmation"]["invoice"]["comments"] = comments
confirmation = json.dumps(conf_json["vendor_order_confirmation"]["invoice"], indent=4)
conf_json["vendor_order_confirmation"]["signature"] = \
self.keychain.signing_key.sign(confirmation, encoder=nacl.encoding.HexEncoder)[:128]
order_id = digest(json.dumps(self.contract, indent=4)).encode("hex")
# apply signatures
outpoints = pickle.loads(self.db.Sales().get_outpoint(order_id))
redeem_script = self.contract["buyer_order"]["order"]["payment"]["redeem_script"]
value = 0
for output in outpoints:
value += output["value"]
del output["value"]
value -= TRANSACTION_FEE
outs = [{'value': value, 'address': payout_address}]
tx = bitcoin.mktx(outpoints, outs)
signatures = []
chaincode = self.contract["buyer_order"]["order"]["payment"]["chaincode"]
masterkey_v = bitcoin.bip32_extract_key(self.keychain.bitcoin_master_privkey)
vendor_priv = derive_childkey(masterkey_v, chaincode, bitcoin.MAINNET_PRIVATE)
for index in range(0, len(outpoints)):
sig = bitcoin.multisign(tx, index, redeem_script, vendor_priv)
signatures.append({"input_index": index, "signature": sig})
conf_json["vendor_order_confirmation"]["invoice"]["payout"] = {}
conf_json["vendor_order_confirmation"]["invoice"]["payout"]["address"] = payout_address
conf_json["vendor_order_confirmation"]["invoice"]["payout"]["value"] = value
conf_json["vendor_order_confirmation"]["invoice"]["payout"]["signature(s)"] = signatures
self.contract["vendor_order_confirmation"] = conf_json["vendor_order_confirmation"]
self.db.Sales().update_status(order_id, 2)
file_path = DATA_FOLDER + "store/listings/in progress/" + order_id + ".json"
with open(file_path, 'w') as outfile:
outfile.write(json.dumps(self.contract, indent=4))
def add_order_confirmation(self,
payout_address,
comments=None,
shipper=None,
tracking_number=None,
est_delivery=None,
url=None,
password=None):
"""
Add the vendor's order confirmation to the contract.
"""
if not self.testnet and not (payout_address[:1] == "1"
or payout_address[:1] == "3"):
raise Exception("Bitcoin address is not a mainnet address")
elif self.testnet and not \
(payout_address[:1] == "n" or payout_address[:1] == "m" or payout_address[:1] == "2"):
raise Exception("Bitcoin address is not a testnet address")
try:
bitcoin.b58check_to_hex(payout_address)
except AssertionError:
raise Exception("Invalid Bitcoin address")
conf_json = {
"vendor_order_confirmation": {
"invoice": {
"ref_hash":
digest(json.dumps(self.contract, indent=4)).encode("hex")
}
}
}
if self.contract["vendor_offer"]["listing"]["metadata"][
"category"] == "physical good":
shipping = {
"shipper": shipper,
"tracking_number": tracking_number,
"est_delivery": est_delivery
}
conf_json["vendor_order_confirmation"]["invoice"][
"shipping"] = shipping
elif self.contract["vendor_offer"]["listing"]["metadata"][
"category"] == "digital good":
content_source = {"url": url, "password": password}
conf_json["vendor_order_confirmation"]["invoice"][
"content_source"] = content_source
if comments:
conf_json["vendor_order_confirmation"]["invoice"][
"comments"] = comments
confirmation = json.dumps(
conf_json["vendor_order_confirmation"]["invoice"], indent=4)
conf_json["vendor_order_confirmation"]["signature"] = \
self.keychain.signing_key.sign(confirmation, encoder=nacl.encoding.HexEncoder)[:128]
order_id = digest(json.dumps(self.contract, indent=4)).encode("hex")
# apply signatures
outpoints = pickle.loads(self.db.Sales().get_outpoint(order_id))
redeem_script = self.contract["buyer_order"]["order"]["payment"][
"redeem_script"]
value = 0
for output in outpoints:
value += output["value"]
del output["value"]
value -= TRANSACTION_FEE
outs = [{'value': value, 'address': payout_address}]
tx = bitcoin.mktx(outpoints, outs)
signatures = []
chaincode = self.contract["buyer_order"]["order"]["payment"][
"chaincode"]
masterkey_v = bitcoin.bip32_extract_key(
self.keychain.bitcoin_master_privkey)
vendor_priv = derive_childkey(masterkey_v, chaincode,
bitcoin.MAINNET_PRIVATE)
for index in range(0, len(outpoints)):
sig = bitcoin.multisign(tx, index, redeem_script, vendor_priv)
signatures.append({"input_index": index, "signature": sig})
conf_json["vendor_order_confirmation"]["invoice"]["payout"] = {}
conf_json["vendor_order_confirmation"]["invoice"]["payout"][
"address"] = payout_address
conf_json["vendor_order_confirmation"]["invoice"]["payout"][
"value"] = value
conf_json["vendor_order_confirmation"]["invoice"]["payout"][
"signature(s)"] = signatures
self.contract["vendor_order_confirmation"] = conf_json[
"vendor_order_confirmation"]
self.db.Sales().update_status(order_id, 2)
file_path = DATA_FOLDER + "store/listings/in progress/" + order_id + ".json"
with open(file_path, 'w') as outfile:
outfile.write(json.dumps(self.contract, indent=4))
def add_purchase_info(
self,
quantity,
ship_to=None,
shipping_address=None,
city=None,
state=None,
postal_code=None,
country=None,
moderator=None,
options=None,
):
"""
Update the contract with the buyer's purchase information.
"""
profile = Profile(self.db).get()
order_json = {
"buyer_order": {
"order": {
"ref_hash": digest(json.dumps(self.contract, indent=4)).encode("hex"),
"quantity": quantity,
"id": {
"guid": self.keychain.guid.encode("hex"),
"pubkeys": {
"guid": self.keychain.guid_signed_pubkey[64:].encode("hex"),
"bitcoin": bitcoin.bip32_extract_key(self.keychain.bitcoin_master_pubkey),
"encryption": self.keychain.encryption_pubkey.encode("hex"),
},
},
"payment": {},
}
}
}
if profile.HasField("handle"):
order_json["buyer_order"]["order"]["id"]["blockchain_id"] = profile.handle
if self.contract["vendor_offer"]["listing"]["metadata"]["category"] == "physical good":
order_json["buyer_order"]["order"]["shipping"] = {}
order_json["buyer_order"]["order"]["shipping"]["ship_to"] = ship_to
order_json["buyer_order"]["order"]["shipping"]["address"] = shipping_address
order_json["buyer_order"]["order"]["shipping"]["city"] = city
order_json["buyer_order"]["order"]["shipping"]["state"] = state
order_json["buyer_order"]["order"]["shipping"]["postal_code"] = postal_code
order_json["buyer_order"]["order"]["shipping"]["country"] = country
if options is not None:
order_json["buyer_order"]["order"]["options"] = options
if moderator: # TODO: Handle direct payments
chaincode = sha256(str(random.getrandbits(256))).digest().encode("hex")
order_json["buyer_order"]["order"]["payment"]["chaincode"] = chaincode
valid_mod = False
for mod in self.contract["vendor_offer"]["listing"]["moderators"]:
if mod["guid"] == moderator:
order_json["buyer_order"]["order"]["moderator"] = moderator
masterkey_m = mod["pubkeys"]["bitcoin"]["key"]
valid_mod = True
if not valid_mod:
return False
masterkey_b = bitcoin.bip32_extract_key(self.keychain.bitcoin_master_pubkey)
masterkey_v = self.contract["vendor_offer"]["listing"]["id"]["pubkeys"]["bitcoin"]
buyer_key = derive_childkey(masterkey_b, chaincode)
vendor_key = derive_childkey(masterkey_v, chaincode)
moderator_key = derive_childkey(masterkey_m, chaincode)
redeem_script = "75" + bitcoin.mk_multisig_script([buyer_key, vendor_key, moderator_key], 2)
order_json["buyer_order"]["order"]["payment"]["redeem_script"] = redeem_script
if self.testnet:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script, 196)
else:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script)
order_json["buyer_order"]["order"]["payment"]["address"] = payment_address
price_json = self.contract["vendor_offer"]["listing"]["item"]["price_per_unit"]
if "bitcoin" in price_json:
order_json["buyer_order"]["order"]["payment"]["amount"] = price_json["bitcoin"]
else:
currency_code = price_json["fiat"]["currency_code"]
fiat_price = price_json["fiat"]["price"]
try:
request = Request("https://api.bitcoinaverage.com/ticker/" + currency_code.upper() + "/last")
response = urlopen(request)
conversion_rate = response.read()
except URLError:
return False
order_json["buyer_order"]["order"]["payment"]["amount"] = float(
"{0:.8f}".format(float(fiat_price) / float(conversion_rate))
)
self.contract["buyer_order"] = order_json["buyer_order"]
order = json.dumps(self.contract["buyer_order"]["order"], indent=4)
self.contract["buyer_order"]["signature"] = self.keychain.signing_key.sign(
order, encoder=nacl.encoding.HexEncoder
)[:128]
return self.contract["buyer_order"]["order"]["payment"]["address"]
def get_bip32_private_key(self, path_n, master_key):
priv = self.bip32_descend(master_key, path_n)
ret = bitcoin.bip32_extract_key(priv)
return ret
def get_key(self, mixing_depth, forchange, i): return btc.bip32_extract_key(btc.bip32_ckd(self.keys[mixing_depth][forchange], i))
def verify(self, sender_key):
"""
Validate that an order sent over by a buyer is filled out correctly.
"""
try:
contract_dict = json.loads(json.dumps(self.contract, indent=4), object_pairs_hook=OrderedDict)
del contract_dict["buyer_order"]
contract_hash = digest(json.dumps(contract_dict, indent=4))
ref_hash = unhexlify(self.contract["buyer_order"]["order"]["ref_hash"])
# verify that the reference hash matches the contract and that the contract actually exists
if contract_hash != ref_hash or not self.db.HashMap().get_file(ref_hash):
raise Exception("Order for contract that doesn't exist")
# verify the signature on the order
verify_key = nacl.signing.VerifyKey(sender_key)
verify_key.verify(
json.dumps(self.contract["buyer_order"]["order"], indent=4),
unhexlify(self.contract["buyer_order"]["signature"]),
)
# verify buyer included the correct bitcoin amount for payment
price_json = self.contract["vendor_offer"]["listing"]["item"]["price_per_unit"]
if "bitcoin" in price_json:
asking_price = price_json["bitcoin"]
else:
currency_code = price_json["fiat"]["currency_code"]
fiat_price = price_json["fiat"]["price"]
request = Request("https://api.bitcoinaverage.com/ticker/" + currency_code.upper() + "/last")
response = urlopen(request)
conversion_rate = response.read()
asking_price = float("{0:.8f}".format(float(fiat_price) / float(conversion_rate)))
if asking_price > self.contract["buyer_order"]["order"]["payment"]["amount"]:
raise Exception("Insuffient Payment")
# verify a valid moderator was selected
# TODO: handle direct payments
valid_mod = False
for mod in self.contract["vendor_offer"]["listing"]["moderators"]:
if mod["guid"] == self.contract["buyer_order"]["order"]["moderator"]:
valid_mod = True
if not valid_mod:
raise Exception("Invalid moderator")
# verify all the shipping fields exist
if self.contract["vendor_offer"]["listing"]["metadata"]["category"] == "physical good":
shipping = self.contract["buyer_order"]["order"]["shipping"]
keys = ["ship_to", "address", "postal_code", "city", "state", "country"]
for value in map(shipping.get, keys):
if value is None:
raise Exception("Missing shipping field")
# verify buyer ID
pubkeys = self.contract["buyer_order"]["order"]["id"]["pubkeys"]
keys = ["guid", "bitcoin", "encryption"]
for value in map(pubkeys.get, keys):
if value is None:
raise Exception("Missing pubkey field")
# verify redeem script
chaincode = self.contract["buyer_order"]["order"]["payment"]["chaincode"]
for mod in self.contract["vendor_offer"]["listing"]["moderators"]:
if mod["guid"] == self.contract["buyer_order"]["order"]["moderator"]:
masterkey_m = mod["pubkeys"]["bitcoin"]["key"]
masterkey_v = bitcoin.bip32_extract_key(self.keychain.bitcoin_master_pubkey)
masterkey_b = self.contract["buyer_order"]["order"]["id"]["pubkeys"]["bitcoin"]
buyer_key = derive_childkey(masterkey_b, chaincode)
vendor_key = derive_childkey(masterkey_v, chaincode)
moderator_key = derive_childkey(masterkey_m, chaincode)
redeem_script = "75" + bitcoin.mk_multisig_script([buyer_key, vendor_key, moderator_key], 2)
if redeem_script != self.contract["buyer_order"]["order"]["payment"]["redeem_script"]:
raise Exception("Invalid redeem script")
# verify the payment address
if self.testnet:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script, 196)
else:
payment_address = bitcoin.p2sh_scriptaddr(redeem_script)
if payment_address != self.contract["buyer_order"]["order"]["payment"]["address"]:
raise Exception("Incorrect payment address")
return True
except Exception:
return False
def load_wallet(wallet_file, get_password_fn):
"""load and if necessary decrypt a bitcoinj wallet file
:param wallet_file: an open bitcoinj wallet file
:type wallet_file: file
:param get_password_fn: a callback returning a password that's called iff one is required
:type get_password_fn: function
:return: the Wallet protobuf message or None if no password was entered when required
:rtype: wallet_pb2.Wallet
"""
wallet_file.seek(0)
magic_bytes = wallet_file.read(12)
wallet_file.seek(0, os.SEEK_END)
wallet_size = wallet_file.tell()
wallet_file.seek(0)
if magic_bytes[2:6] != b"org." and wallet_size % 16 == 0:
import pylibscrypt
takes_long = not pylibscrypt._done # if a binary library wasn't found, this'll take a while
ciphertext = wallet_file.read()
assert len(ciphertext) % 16 == 0
password = get_password_fn(takes_long)
if not password:
return None
# Derive the encryption key
salt = '\x35\x51\x03\x80\x75\xa3\xb0\xc5'
key = pylibscrypt.scrypt(password.encode('utf_16_be'), salt, olen=32)
# Decrypt the wallet ( v0.5.0+ )
try:
plaintext = aes256_cbc_decrypt(ciphertext[16:], key, ciphertext[:16])
if plaintext[2:6] != b"org.":
raise ValueError('incorrect password')
except ValueError as e:
if e.args[0] == 'incorrect password':
# Decrypt the wallet ( < v0.5.0 )
iv = '\xa3\x44\x39\x1f\x53\x83\x11\xb3\x29\x54\x86\x16\xc4\x89\x72\x3e'
plaintext = aes256_cbc_decrypt(ciphertext, key, iv)
global multibit_hd_password
multibit_hd_password = password
# Else it's not whole-file encrypted
else:
password = None
plaintext = wallet_file.read()
# Parse the wallet protobuf
pb_wallet = wallet_pb2.Wallet()
try:
pb_wallet.ParseFromString(plaintext)
except Exception as e:
msg = 'not a wallet file: ' + str(e)
if password:
msg = "incorrect password (or " + msg + ")"
raise ValueError(msg)
f = open('parsed_wallet.txt','w')
f.write(pb_wallet.__str__())
f.close()
foundAddr = []
for trans in pb_wallet.transaction:
if trans.pool == 4:
print("--------------------------------------------------------------------------------")
print("TXID: " + binascii.hexlify(trans.hash))
for out in trans.transaction_output:
print("")
faddr = bitcoin.bin_to_b58check(bitcoin.deserialize_script(out.script_bytes)[2])
print("Addr: " + faddr)
foundAddr.append(faddr)
print("Amt: " + str(out.value * 0.00000001) + " BTC")
print("")
print("--------------------------------------------------------------------------------")
seed = None
sys.stdout.write('Finding Seed....')
salt = pb_wallet.encryption_parameters.salt
dkey = pylibscrypt.scrypt(password.encode('utf_16_be'), salt, olen=32)
for wkey in pb_wallet.key:
if wkey.type == 3:
seed = aes256_cbc_decrypt(wkey.encrypted_deterministic_seed.encrypted_private_key, dkey, wkey.encrypted_deterministic_seed.initialisation_vector)
break
if not seed:
print("No DETERMINISTIC_MNEMONIC seed found!")
return None
else:
print("Done!")
xprv = bitcoin.bip32_master_key(seed)
xprvReceive = bitcoin.bip32_ckd(bitcoin.bip32_ckd(xprv, 2**31),0) #m/0'/0
xprvChange = bitcoin.bip32_ckd(bitcoin.bip32_ckd(xprv, 2**31),1) #m/0'/1
rcvAddr = []
chgAddr = []
rcvPrivKey = []
chgPrivKey = []
sys.stdout.write("Generating Addresses/Keys.")
for x in range(0,1000):
if x % 10 == 0:
sys.stdout.write(".")
childprivReceive = bitcoin.bip32_ckd(xprvReceive, x)
childprivChange = bitcoin.bip32_ckd(xprvChange, x)
pkeyReceive = bitcoin.bip32_extract_key(childprivReceive)
pkeyChange = bitcoin.bip32_extract_key(childprivChange)
#addressReceive = privtoaddr(pkeyReceive)
#addressChange = privtoaddr(pkeyChange)
rcvAddr.append(bitcoin.privtoaddr(pkeyReceive))
chgAddr.append(bitcoin.privtoaddr(pkeyChange))
rcvPrivKey.append(bitcoin.encode_privkey(pkeyReceive, 'wif_compressed'))
chgPrivKey.append(bitcoin.encode_privkey(pkeyChange, 'wif_compressed'))
print("Done!")
print("--------------------------------------------------------------------------------")
for addy in foundAddr:
if addy in rcvAddr:
print("")
print("Found Address: " + addy)
print("PrivateKey: " + rcvPrivKey[rcvAddr.index(addy)])
elif addy in chgAddr:
print("")
print("Found Change Address: " + addy)
print("PrivateKey: " + chgPrivKey[chgAddr.index(addy)])
else:
print("")
print("Address not found: " + addy)
print("")
print("--------------------------------------------------------------------------------")
return pb_wallet
def create(
self,
expiration_date,
metadata_category,
title,
description,
currency_code,
price,
process_time,
nsfw,
shipping_origin=None,
shipping_regions=None,
est_delivery_domestic=None,
est_delivery_international=None,
terms_conditions=None,
returns=None,
keywords=None,
category=None,
condition=None,
sku=None,
images=None,
free_shipping=None,
shipping_currency_code=None,
shipping_domestic=None,
shipping_international=None,
options=None,
moderators=None,
):
"""
All parameters are strings except:
:param expiration_date: `string` (must be formatted UTC datetime)
:param keywords: `list`
:param nsfw: `boolean`
:param images: a `list` of image files
:param free_shipping: `boolean`
:param shipping_origin: a 'string' formatted `CountryCode`
:param shipping_regions: a 'list' of 'string' formatted `CountryCode`s
:param options: a 'dict' containing options as keys and 'list' as option values.
:param moderators: a 'list' of 'string' guids (hex encoded).
"""
profile = Profile(self.db).get()
self.contract = OrderedDict(
{
"vendor_offer": {
"listing": {
"metadata": {
"version": "0.1",
"category": metadata_category.lower(),
"category_sub": "fixed price",
},
"id": {
"guid": self.keychain.guid.encode("hex"),
"pubkeys": {
"guid": self.keychain.guid_signed_pubkey[64:].encode("hex"),
"bitcoin": bitcoin.bip32_extract_key(self.keychain.bitcoin_master_pubkey),
"encryption": self.keychain.encryption_pubkey.encode("hex"),
},
},
"item": {
"title": title,
"description": description,
"process_time": process_time,
"price_per_unit": {},
"nsfw": nsfw,
},
}
}
}
)
if expiration_date.lower() == "never":
self.contract["vendor_offer"]["listing"]["metadata"]["expiry"] = "never"
else:
self.contract["vendor_offer"]["listing"]["metadata"]["expiry"] = expiration_date + " UTC"
if metadata_category == "physical good" and condition is not None:
self.contract["vendor_offer"]["listing"]["item"]["condition"] = condition
if currency_code.upper() == "BTC":
item = self.contract["vendor_offer"]["listing"]["item"]
item["price_per_unit"]["bitcoin"] = price
else:
item = self.contract["vendor_offer"]["listing"]["item"]
item["price_per_unit"]["fiat"] = {}
item["price_per_unit"]["fiat"]["price"] = price
item["price_per_unit"]["fiat"]["currency_code"] = currency_code
if keywords is not None:
self.contract["vendor_offer"]["listing"]["item"]["keywords"] = []
self.contract["vendor_offer"]["listing"]["item"]["keywords"].extend(keywords)
if category is not None:
self.contract["vendor_offer"]["listing"]["item"]["category"] = category
if sku is not None:
self.contract["vendor_offer"]["listing"]["item"]["sku"] = sku
if options is not None:
self.contract["vendor_offer"]["listing"]["item"]["options"] = options
if metadata_category == "physical good":
self.contract["vendor_offer"]["listing"]["shipping"] = {}
shipping = self.contract["vendor_offer"]["listing"]["shipping"]
shipping["shipping_origin"] = shipping_origin
if free_shipping is False:
self.contract["vendor_offer"]["listing"]["shipping"]["free"] = False
self.contract["vendor_offer"]["listing"]["shipping"]["flat_fee"] = {}
if shipping_currency_code == "BTC":
self.contract["vendor_offer"]["listing"]["shipping"]["flat_fee"]["bitcoin"] = {}
self.contract["vendor_offer"]["listing"]["shipping"]["flat_fee"]["bitcoin"][
"domestic"
] = shipping_domestic
self.contract["vendor_offer"]["listing"]["shipping"]["flat_fee"]["bitcoin"][
"international"
] = shipping_international
else:
shipping = self.contract["vendor_offer"]["listing"]["shipping"]
shipping["flat_fee"]["fiat"] = {}
shipping["flat_fee"]["fiat"]["price"] = {}
shipping["flat_fee"]["fiat"]["price"]["domestic"] = shipping_domestic
shipping["flat_fee"]["fiat"]["price"]["international"] = shipping_international
shipping["flat_fee"]["fiat"]["currency_code"] = shipping_currency_code
else:
self.contract["vendor_offer"]["listing"]["shipping"]["free"] = True
self.contract["vendor_offer"]["listing"]["shipping"]["shipping_regions"] = []
for region in shipping_regions:
shipping = self.contract["vendor_offer"]["listing"]["shipping"]
shipping["shipping_regions"].append(region)
listing = self.contract["vendor_offer"]["listing"]
listing["shipping"]["est_delivery"] = {}
listing["shipping"]["est_delivery"]["domestic"] = est_delivery_domestic
listing["shipping"]["est_delivery"]["international"] = est_delivery_international
if profile.HasField("handle"):
self.contract["vendor_offer"]["listing"]["id"]["blockchain_id"] = profile.handle
if images is not None:
self.contract["vendor_offer"]["listing"]["item"]["image_hashes"] = []
for image_hash in images:
self.contract["vendor_offer"]["listing"]["item"]["image_hashes"].append(image_hash)
if terms_conditions is not None or returns is not None:
self.contract["vendor_offer"]["listing"]["policy"] = {}
if terms_conditions is not None:
self.contract["vendor_offer"]["listing"]["policy"]["terms_conditions"] = terms_conditions
if returns is not None:
self.contract["vendor_offer"]["listing"]["policy"]["returns"] = returns
if moderators is not None:
self.contract["vendor_offer"]["listing"]["moderators"] = []
for mod in moderators:
mod_info = self.db.ModeratorStore().get_moderator(unhexlify(mod))
print mod_info
if mod_info is not None:
moderator = {
"guid": mod,
"blockchain_id": mod_info[6],
"pubkeys": {
"signing": {
"key": mod_info[1][64:].encode("hex"),
"signature": mod_info[1][:64].encode("hex"),
},
"encryption": {"key": mod_info[2].encode("hex"), "signature": mod_info[3].encode("hex")},
"bitcoin": {"key": mod_info[4].encode("hex"), "signature": mod_info[5].encode("hex")},
},
}
self.contract["vendor_offer"]["listing"]["moderators"].append(moderator)
listing = json.dumps(self.contract["vendor_offer"]["listing"], indent=4)
self.contract["vendor_offer"]["signature"] = self.keychain.signing_key.sign(
listing, encoder=nacl.encoding.HexEncoder
)[:128]
self.save()