ortutay
11 years ago
9 changed files with 363 additions and 7 deletions
@ -0,0 +1,44 @@ |
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-----BEGIN CERTIFICATE----- |
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MIIDtzCCAp+gAwIBAgIQDOfg5RfYRv6P5WD8G/AwOTANBgkqhkiG9w0BAQUFADBl |
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MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 |
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d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv |
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b3QgQ0EwHhcNMDYxMTEwMDAwMDAwWhcNMzExMTEwMDAwMDAwWjBlMQswCQYDVQQG |
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EwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNl |
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cnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgQ0EwggEi |
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MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCtDhXO5EOAXLGH87dg+XESpa7c |
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JpSIqvTO9SA5KFhgDPiA2qkVlTJhPLWxKISKityfCgyDF3qPkKyK53lTXDGEKvYP |
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mDI2dsze3Tyoou9q+yHyUmHfnyDXH+Kx2f4YZNISW1/5WBg1vEfNoTb5a3/UsDg+ |
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wRvDjDPZ2C8Y/igPs6eD1sNuRMBhNZYW/lmci3Zt1/GiSw0r/wty2p5g0I6QNcZ4 |
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VYcgoc/lbQrISXwxmDNsIumH0DJaoroTghHtORedmTpyoeb6pNnVFzF1roV9Iq4/ |
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AUaG9ih5yLHa5FcXxH4cDrC0kqZWs72yl+2qp/C3xag/lRbQ/6GW6whfGHdPAgMB |
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AAGjYzBhMA4GA1UdDwEB/wQEAwIBhjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQW |
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BBRF66Kv9JLLgjEtUYunpyGd823IDzAfBgNVHSMEGDAWgBRF66Kv9JLLgjEtUYun |
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pyGd823IDzANBgkqhkiG9w0BAQUFAAOCAQEAog683+Lt8ONyc3pklL/3cmbYMuRC |
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dWKuh+vy1dneVrOfzM4UKLkNl2BcEkxY5NM9g0lFWJc1aRqoR+pWxnmrEthngYTf |
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fwk8lOa4JiwgvT2zKIn3X/8i4peEH+ll74fg38FnSbNd67IJKusm7Xi+fT8r87cm |
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NW1fiQG2SVufAQWbqz0lwcy2f8Lxb4bG+mRo64EtlOtCt/qMHt1i8b5QZ7dsvfPx |
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H2sMNgcWfzd8qVttevESRmCD1ycEvkvOl77DZypoEd+A5wwzZr8TDRRu838fYxAe |
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+o0bJW1sj6W3YQGx0qMmoRBxna3iw/nDmVG3KwcIzi7mULKn+gpFL6Lw8g== |
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-----END CERTIFICATE----- |
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-----BEGIN CERTIFICATE----- |
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MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh |
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MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 |
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d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD |
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QTAeFw0wNjExMTAwMDAwMDBaFw0zMTExMTAwMDAwMDBaMGExCzAJBgNVBAYTAlVT |
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MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j |
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b20xIDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IENBMIIBIjANBgkqhkiG |
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9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jvhEXLeqKTTo1eqUKKPC3eQyaKl7hLOllsB |
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CSDMAZOnTjC3U/dDxGkAV53ijSLdhwZAAIEJzs4bg7/fzTtxRuLWZscFs3YnFo97 |
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nh6Vfe63SKMI2tavegw5BmV/Sl0fvBf4q77uKNd0f3p4mVmFaG5cIzJLv07A6Fpt |
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43C/dxC//AH2hdmoRBBYMql1GNXRor5H4idq9Joz+EkIYIvUX7Q6hL+hqkpMfT7P |
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T19sdl6gSzeRntwi5m3OFBqOasv+zbMUZBfHWymeMr/y7vrTC0LUq7dBMtoM1O/4 |
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gdW7jVg/tRvoSSiicNoxBN33shbyTApOB6jtSj1etX+jkMOvJwIDAQABo2MwYTAO |
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BgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUA95QNVbR |
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TLtm8KPiGxvDl7I90VUwHwYDVR0jBBgwFoAUA95QNVbRTLtm8KPiGxvDl7I90VUw |
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DQYJKoZIhvcNAQEFBQADggEBAMucN6pIExIK+t1EnE9SsPTfrgT1eXkIoyQY/Esr |
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hMAtudXH/vTBH1jLuG2cenTnmCmrEbXjcKChzUyImZOMkXDiqw8cvpOp/2PV5Adg |
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06O/nVsJ8dWO41P0jmP6P6fbtGbfYmbW0W5BjfIttep3Sp+dWOIrWcBAI+0tKIJF |
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PnlUkiaY4IBIqDfv8NZ5YBberOgOzW6sRBc4L0na4UU+Krk2U886UAb3LujEV0ls |
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YSEY1QSteDwsOoBrp+uvFRTp2InBuThs4pFsiv9kuXclVzDAGySj4dzp30d8tbQk |
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CAUw7C29C79Fv1C5qfPrmAESrciIxpg0X40KPMbp1ZWVbd4= |
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-----END CERTIFICATE----- |
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@ -0,0 +1,307 @@ |
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import PyQt4 |
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import sys |
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|
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import PyQt4.QtCore as QtCore |
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import urllib |
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import re |
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import time |
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import os |
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import httplib2 |
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import datetime |
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import json |
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import string |
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|
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from urllib import urlencode |
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|
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from PyQt4.QtGui import * |
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from PyQt4.QtCore import * |
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from PyQt4.QtWebKit import QWebView |
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|
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from electrum import BasePlugin |
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from electrum.i18n import _, set_language |
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from electrum.util import user_dir |
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from electrum.util import appdata_dir |
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from electrum.util import format_satoshis |
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from electrum_gui.qt import ElectrumGui |
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SATOSHIS_PER_BTC = float(100000000) |
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COINBASE_ENDPOINT = 'https://coinbase.com' |
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CERTS_PATH = appdata_dir() + '/certs/ca-coinbase.crt' |
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SCOPE = 'buy' |
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REDIRECT_URI = 'urn:ietf:wg:oauth:2.0:oob' |
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TOKEN_URI = 'https://coinbase.com/oauth/token' |
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CLIENT_ID = '0a930a48b5a6ea10fb9f7a9fec3d093a6c9062ef8a7eeab20681274feabdab06' |
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CLIENT_SECRET = 'f515989e8819f1822b3ac7a7ef7e57f755c9b12aee8f22de6b340a99fd0fd617' |
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# Expiry is stored in RFC3339 UTC format |
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EXPIRY_FORMAT = '%Y-%m-%dT%H:%M:%SZ' |
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class Plugin(BasePlugin): |
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def fullname(self): return 'Coinbase BuyBack' |
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def description(self): return 'After sending bitcoin, prompt the user with the option to rebuy them via Coinbase.\n\nMarcell Ortutay, 1FNGQvm29tKM7y3niq63RKi7Qbg7oZ3jrB' |
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|
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def __init__(self, gui, name): |
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BasePlugin.__init__(self, gui, name) |
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self._is_available = self._init() |
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def _init(self): |
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return True |
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def is_available(self): |
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return self._is_available |
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|
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def enable(self): |
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return BasePlugin.enable(self) |
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|
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def receive_tx(self, tx, wallet): |
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domain = wallet.get_account_addresses(None) |
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is_relevant, is_send, v, fee = tx.get_value(domain, wallet.prevout_values) |
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if isinstance(self.gui, ElectrumGui): |
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try: |
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web = propose_rebuy_qt(abs(v)) |
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except OAuth2Exception as e: |
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rm_local_oauth_credentials() |
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# TODO(ortutay): android flow |
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def propose_rebuy_qt(amount): |
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web = QWebView() |
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box = QMessageBox() |
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box.setFixedSize(200, 200) |
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credentials = read_local_oauth_credentials() |
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questionText = _('Rebuy ') + format_satoshis(amount) + _(' BTC?') |
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if credentials: |
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credentials.refresh() |
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if credentials and not credentials.invalid: |
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credentials.store_locally() |
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totalPrice = get_coinbase_total_price(credentials, amount) |
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questionText += _('\n(Price: ') + totalPrice + _(')') |
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if not question(box, questionText): |
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return |
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if credentials: |
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do_buy(credentials, amount) |
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else: |
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do_oauth_flow(web, amount) |
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return web |
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def do_buy(credentials, amount): |
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h = httplib2.Http(ca_certs=CERTS_PATH) |
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h = credentials.authorize(h) |
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params = { |
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'qty': float(amount)/SATOSHIS_PER_BTC, |
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'agree_btc_amount_varies': False |
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} |
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resp, content = h.request( |
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COINBASE_ENDPOINT + '/api/v1/buys', 'POST', urlencode(params)) |
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if resp['status'] != '200': |
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message(_('Error, could not buy bitcoin')) |
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return |
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content = json.loads(content) |
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if content['success']: |
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message(_('Success!\n') + content['transfer']['description']) |
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else: |
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if content['errors']: |
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message(_('Error: ') + string.join(content['errors'], '\n')) |
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else: |
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message(_('Error, could not buy bitcoin')) |
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def get_coinbase_total_price(credentials, amount): |
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h = httplib2.Http(ca_certs=CERTS_PATH) |
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params={'qty': amount/SATOSHIS_PER_BTC} |
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resp, content = h.request(COINBASE_ENDPOINT + '/api/v1/prices/buy?' + urlencode(params),'GET') |
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content = json.loads(content) |
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if resp['status'] != '200': |
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return 'unavailable' |
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return '$' + content['total']['amount'] |
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def do_oauth_flow(web, amount): |
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# QT expects un-escaped URL |
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auth_uri = step1_get_authorize_url() |
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web.load(QUrl(auth_uri)) |
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web.setFixedSize(500, 700) |
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web.show() |
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web.titleChanged.connect(lambda(title): complete_oauth_flow(title, web, amount) if re.search('^[a-z0-9]+$', title) else False) |
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def complete_oauth_flow(token, web, amount): |
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web.close() |
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http = httplib2.Http(ca_certs=CERTS_PATH) |
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credentials = step2_exchange(str(token), http) |
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credentials.store_locally() |
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do_buy(credentials, amount) |
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def token_path(): |
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dir = user_dir() + '/coinbase_buyback' |
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if not os.access(dir, os.F_OK): |
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os.mkdir(dir) |
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return dir + '/token' |
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def read_local_oauth_credentials(): |
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if not os.access(token_path(), os.F_OK): |
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return None |
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f = open(token_path(), 'r') |
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data = f.read() |
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f.close() |
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try: |
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credentials = Credentials.from_json(data) |
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return credentials |
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except Exception as e: |
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return None |
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def rm_local_oauth_credentials(): |
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os.remove(token_path()) |
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def step1_get_authorize_url(): |
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return ('https://coinbase.com/oauth/authorize' |
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+ '?scope=' + SCOPE |
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+ '&redirect_uri=' + REDIRECT_URI |
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+ '&response_type=code' |
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+ '&client_id=' + CLIENT_ID |
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+ '&access_type=offline') |
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def step2_exchange(code, http): |
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body = urllib.urlencode({ |
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'grant_type': 'authorization_code', |
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'client_id': CLIENT_ID, |
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'client_secret': CLIENT_SECRET, |
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'code': code, |
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'redirect_uri': REDIRECT_URI, |
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'scope': SCOPE, |
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}) |
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headers = { |
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'content-type': 'application/x-www-form-urlencoded', |
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} |
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resp, content = http.request(TOKEN_URI, method='POST', body=body, |
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headers=headers) |
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if resp.status == 200: |
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d = json.loads(content) |
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access_token = d['access_token'] |
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refresh_token = d.get('refresh_token', None) |
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token_expiry = None |
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if 'expires_in' in d: |
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token_expiry = datetime.datetime.utcnow() + datetime.timedelta( |
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seconds=int(d['expires_in'])) |
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return Credentials(access_token, refresh_token, token_expiry) |
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else: |
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raise OAuth2Exception(content) |
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class OAuth2Exception(Exception): |
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"""An error related to OAuth2""" |
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class Credentials(object): |
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def __init__(self, access_token, refresh_token, token_expiry): |
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self.access_token = access_token |
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self.refresh_token = refresh_token |
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self.token_expiry = token_expiry |
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# Indicates a failed refresh |
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self.invalid = False |
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def to_json(self): |
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token_expiry = self.token_expiry |
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if (token_expiry and isinstance(token_expiry, datetime.datetime)): |
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token_expiry = token_expiry.strftime(EXPIRY_FORMAT) |
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|
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d = { |
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'access_token': self.access_token, |
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'refresh_token': self.refresh_token, |
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'token_expiry': token_expiry, |
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} |
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return json.dumps(d) |
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|
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def store_locally(self): |
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f = open(token_path(), 'w') |
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f.write(self.to_json()) |
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f.close() |
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@classmethod |
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def from_json(cls, s): |
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data = json.loads(s) |
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if ('token_expiry' in data |
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and not isinstance(data['token_expiry'], datetime.datetime)): |
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try: |
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data['token_expiry'] = datetime.datetime.strptime( |
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data['token_expiry'], EXPIRY_FORMAT) |
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except: |
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data['token_expiry'] = None |
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retval = Credentials( |
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data['access_token'], |
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data['refresh_token'], |
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data['token_expiry']) |
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return retval |
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|
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def apply(self, headers): |
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headers['Authorization'] = 'Bearer ' + self.access_token |
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|
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def authorize(self, http): |
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request_orig = http.request |
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|
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# The closure that will replace 'httplib2.Http.request'. |
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def new_request(uri, method='GET', body=None, headers=None, |
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redirections=httplib2.DEFAULT_MAX_REDIRECTS, |
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connection_type=None): |
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headers = {} |
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if headers is None: |
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headers = {} |
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self.apply(headers) |
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|
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resp, content = request_orig(uri, method, body, headers, |
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redirections, connection_type) |
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if resp.status == 401: |
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self._refresh(request_orig) |
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self.store_locally() |
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self.apply(headers) |
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return request_orig(uri, method, body, headers, |
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redirections, connection_type) |
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else: |
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return (resp, content) |
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|
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http.request = new_request |
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setattr(http.request, 'credentials', self) |
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return http |
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|
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def refresh(self): |
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h = httplib2.Http(ca_certs=CERTS_PATH) |
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try: |
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self._refresh(h.request) |
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except OAuth2Exception as e: |
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rm_local_oauth_credentials() |
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self.invalid = True |
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raise e |
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|
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def _refresh(self, http_request): |
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body = urllib.urlencode({ |
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'grant_type': 'refresh_token', |
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'refresh_token': self.refresh_token, |
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'client_id': CLIENT_ID, |
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'client_secret': CLIENT_SECRET, |
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}) |
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headers = { |
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'content-type': 'application/x-www-form-urlencoded', |
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} |
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resp, content = http_request( |
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TOKEN_URI, method='POST', body=body, headers=headers) |
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if resp.status == 200: |
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d = json.loads(content) |
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self.token_response = d |
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self.access_token = d['access_token'] |
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self.refresh_token = d.get('refresh_token', self.refresh_token) |
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if 'expires_in' in d: |
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self.token_expiry = datetime.timedelta( |
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seconds=int(d['expires_in'])) + datetime.datetime.utcnow() |
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else: |
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raise OAuth2Exception('Refresh failed, ' + content) |
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|
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def message(msg): |
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box = QMessageBox() |
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box.setFixedSize(200, 200) |
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return QMessageBox.information(box, _('Message'), msg) |
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|
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def question(widget, msg): |
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return (QMessageBox.question( |
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widget, _('Message'), msg, QMessageBox.Yes | QMessageBox.No, QMessageBox.No) |
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|
== QMessageBox.Yes) |
||||
Loading…
Reference in new issue