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 create(self,
expiration_date,
metadata_category,
title,
description,
currency_code,
price,
process_time,
nsfw,
shipping_origin,
shipping_regions,
est_delivery_domestic=None,
est_delivery_international=None,
keywords=None,
category=None,
condition=None,
sku=None,
images=None,
free_shipping=None,
shipping_currency_code=None,
shipping_domestic=None,
shipping_international=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
"""
# TODO: import keys into the contract, import moderator information from db, sign contract.
profile = Profile().get()
keychain = KeyChain()
self.contract = OrderedDict({
"vendor_offer": {
"listing": {
"metadata": {
"version": "0.1",
"expiry": expiration_date + " UTC",
"category": metadata_category,
"category_sub": "fixed price"
},
"id": {
"guid": keychain.guid.encode("hex"),
"pubkeys": {
"guid":
keychain.guid_signed_pubkey[64:].encode("hex"),
"bitcoin": keychain.bitcoin_master_pubkey
}
},
"item": {
"title": title,
"description": description,
"process_time": process_time,
"price_per_unit": {},
"nsfw": nsfw
}
}
}
})
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 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 in images:
hash_value = digest(image).encode("hex")
self.contract["vendor_offer"]["listing"]["item"][
"image_hashes"].append(hash_value)
with open(DATA_FOLDER + "store/media/" + hash_value,
'w') as outfile:
outfile.write(image)
HashMap().insert(digest(image),
DATA_FOLDER + "store/media/" + hash_value)
listing = json.dumps(self.contract["vendor_offer"]["listing"],
indent=4)
self.contract["vendor_offer"]["signature"] = \
keychain.signing_key.sign(listing, encoder=nacl.encoding.HexEncoder)[:128]
self.save()
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"])
