|
1
|
|
|
|
|
2
|
|
|
import urllib |
|
3
|
|
|
import urllib.error |
|
4
|
|
|
import urllib.request |
|
5
|
|
|
import time |
|
6
|
|
|
import json |
|
7
|
|
|
import hashlib |
|
8
|
|
|
import hmac |
|
9
|
|
|
from decimal import Decimal |
|
10
|
|
|
|
|
11
|
|
|
|
|
12
|
|
|
class BTCException(Exception): |
|
13
|
|
|
pass |
|
14
|
|
|
|
|
15
|
|
|
class Bitcoin(object): |
|
16
|
|
|
|
|
17
|
|
|
COINBASE_API_KEY = "" |
|
18
|
|
|
COINBASE_API_SECRET = "" |
|
19
|
|
|
|
|
20
|
|
|
HOSTNAME = '' |
|
21
|
|
|
|
|
22
|
|
|
def __init__(self, umid=None): |
|
23
|
|
|
self.umid = umid |
|
24
|
|
|
pass |
|
25
|
|
|
|
|
26
|
|
|
@staticmethod |
|
27
|
|
|
def req(url, body=None): |
|
28
|
|
|
try: |
|
29
|
|
|
opener = urllib.request.build_opener() |
|
30
|
|
|
nonce = int(time.time() * 1e6) |
|
31
|
|
|
message = str(nonce) + url + ('' if body is None else body) |
|
32
|
|
|
signature = hmac.new(bytes(Bitcoin.COINBASE_API_SECRET, "utf-8"), |
|
33
|
|
|
bytes(message, "utf-8"), |
|
34
|
|
|
hashlib.sha256).hexdigest() |
|
35
|
|
|
opener.addheaders = [('ACCESS_KEY', Bitcoin.COINBASE_API_KEY), |
|
36
|
|
|
('ACCESS_SIGNATURE', signature), |
|
37
|
|
|
('ACCESS_NONCE', nonce)] |
|
38
|
|
|
|
|
39
|
|
|
# is this really how you do this in this language? |
|
40
|
|
|
body_b = None |
|
41
|
|
|
if body is not None: |
|
42
|
|
|
body_b = bytes(body, "utf-8") |
|
43
|
|
|
|
|
44
|
|
|
res_s = opener.open(urllib.request.Request(url, |
|
45
|
|
|
body_b, {'Content-Type': 'application/json'})).read() |
|
46
|
|
|
return json.loads(str(res_s, 'utf-8')) |
|
47
|
|
|
|
|
48
|
|
|
except urllib.error.HTTPError as e: |
|
49
|
|
|
raise BTCException("Could not load HTTP url %s: %s, %s" % (url, str(e), e.read())) |
|
50
|
|
|
except urllib.error.URLError as e: |
|
51
|
|
|
raise BTCException("General urllib failure: %s" % (str(e))) |
|
52
|
|
|
|
|
53
|
|
|
|
|
54
|
|
|
@staticmethod |
|
55
|
|
|
def noauth_req(url): |
|
56
|
|
|
try: |
|
57
|
|
|
opener = urllib.request.build_opener() |
|
58
|
|
|
res_s = opener.open(urllib.request.Request(url, |
|
59
|
|
|
None, {'Content-Type': 'application/json'})).read() |
|
60
|
|
|
return json.loads(str(res_s, 'utf-8')) |
|
61
|
|
|
except urllib.error.HTTPError as e: |
|
62
|
|
|
raise BTCException("Could not load HTTP") |
|
63
|
|
|
except urllib.error.URLError as e: |
|
64
|
|
|
raise BTCException("General urllib failure") |
|
65
|
|
|
|
|
66
|
|
|
@staticmethod |
|
67
|
|
|
def get_new_address(umid, auth_key, cb_url='{}/terminal/bitcoin/deposit'): |
|
68
|
|
|
|
|
69
|
|
|
cb_url = cb_url.format(Bitcoin.HOSTNAME) |
|
70
|
|
|
|
|
71
|
|
|
obj = Bitcoin.req("https://api.coinbase.com/v1/addresses", |
|
72
|
|
|
'{"address": {"callback_url": "%s/%s/%s", "label": "%s"}}' % (cb_url, umid, auth_key, umid)) |
|
73
|
|
|
|
|
74
|
|
|
if not(obj['success']): |
|
75
|
|
|
raise BTCException("Could not get address: %s" % umid) |
|
76
|
|
|
|
|
77
|
|
|
return obj['address'] |
|
78
|
|
|
|
|
79
|
|
|
@staticmethod |
|
80
|
|
|
def get_spot_price(currency="USD"): |
|
81
|
|
|
obj = Bitcoin.req("https://coinbase.com/api/v1/prices/spot_rate?currency=%s" % currency) |
|
82
|
|
|
return Decimal(obj['amount']) |
|
83
|
|
|
|
|
84
|
|
|
@staticmethod |
|
85
|
|
|
def get_balance(): |
|
86
|
|
|
obj = Bitcoin.req("https://coinbase.com/api/v1/account/balance") |
|
87
|
|
|
return Decimal(obj['amount']) |
|
88
|
|
|
|
|
89
|
|
|
@staticmethod |
|
90
|
|
|
def get_tx_by_hash(txid): |
|
91
|
|
|
return Bitcoin.noauth_req("https://blockchain.info/rawtx/%s" % txid) |
|
92
|
|
|
|
|
93
|
|
|
@staticmethod |
|
94
|
|
|
def get_block_height(): |
|
95
|
|
|
return Bitcoin.noauth_req("https://blockchain.info/latestblock")["height"] |
|
96
|
|
|
|
|
97
|
|
|
# | separated list (e.g. "14YD3or6jXZowg8PV5VfZo9jmer8TQZHFg|1AZiKMapdu2KibenF67FHFgNbxL9sG2jt5") |
|
98
|
|
|
@staticmethod |
|
99
|
|
|
def get_tx_from_addrs(addrs): |
|
100
|
|
|
return Bitcoin.noauth_req("https://blockchain.info/multiaddr?active=%s" % addrs ) |
|
101
|
|
|
|
|
102
|
|
|
@staticmethod |
|
103
|
|
|
def convert(amount): |
|
104
|
|
|
obj = Bitcoin.req("https://coinbase.com/api/v1/sells", |
|
105
|
|
|
'{"qty": %s}' % (amount)) |
|
106
|
|
|
|
|
107
|
|
|
if not(obj['success']): |
|
108
|
|
|
raise BTCException("failure on BTC convert (%s)" % obj['errors']) |
|
109
|
|
|
|
|
110
|
|
|
return Decimal(obj['transfer']['total']['amount']) |
|
111
|
|
|
|
|
112
|
|
|
@staticmethod |
|
113
|
|
|
# Returns the amount in USD that the bitcoins were exchanged for |
|
114
|
|
|
def convert_all(): |
|
115
|
|
|
return Bitcoin.get_balance()*Bitcoin.get_spot_price()*Decimal(0.99) |
|
116
|
|
|
#raise NotImplementedError() |
|
117
|
|
|
|
|
118
|
|
|
|
um-cseg /
chez-betty
