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__init__.py
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__init__.py
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# Copyright (C) 2017 PyWaves Developers
#
# This file is part of PyWaves.
#
# It is subject to the license terms in the LICENSE file found in the top-level
# directory of this distribution.
#
# No part of python-bitcoinlib, including this file, may be copied, modified,
# propagated, or distributed except according to the terms contained in the
# LICENSE file.
from __future__ import absolute_import, division, print_function, unicode_literals
DEFAULT_TX_FEE = 100000
DEFAULT_ASSET_FEE = 100000000
DEFAULT_MATCHER_FEE = 300000
DEFAULT_LEASE_FEE = 100000
DEFAULT_ALIAS_FEE = 100000
VALID_TIMEFRAMES = (5, 15, 30, 60, 240, 1440)
MAX_WDF_REQUEST = 100
import requests
from .address import *
from .asset import *
from .order import *
OFFLINE = False
NODE = 'https://nodes.wavesnodes.com'
ADDRESS_VERSION = 1
ADDRESS_CHECKSUM_LENGTH = 4
ADDRESS_HASH_LENGTH = 20
ADDRESS_LENGTH = 1 + 1 + ADDRESS_CHECKSUM_LENGTH + ADDRESS_HASH_LENGTH
CHAIN = 'mainnet'
CHAIN_ID = 'W'
MATCHER = 'https://nodes.wavesnodes.com'
MATCHER_PUBLICKEY = ''
DATAFEED = 'http://marketdata.wavesplatform.com'
logging.getLogger("requests").setLevel(logging.WARNING)
console = logging.StreamHandler()
console.setLevel(logging.ERROR)
formatter = logging.Formatter('[%(levelname)s] %(message)s')
console.setFormatter(formatter)
logging.getLogger('').addHandler(console)
def setOffline():
global OFFLINE
OFFLINE = True
def setOnline():
global OFFLINE
OFFLINE = False
def setChain(chain = CHAIN):
global CHAIN, CHAIN_ID
if chain.lower()=='mainnet' or chain.lower()=='w':
CHAIN = 'mainnet'
CHAIN_ID = 'W'
elif chain.lower()=='hacknet' or chain.lower()=='u':
CHAIN = 'hacknet'
CHAIN_ID = 'U'
else:
CHAIN = 'testnet'
CHAIN_ID = 'T'
def setNode(node = NODE, chain = CHAIN):
global NODE, CHAIN, CHAIN_ID
NODE = node
setChain(chain)
def setMatcher(node = MATCHER):
global MATCHER, MATCHER_PUBLICKEY
try:
MATCHER_PUBLICKEY = wrapper('/matcher', host = node)
MATCHER = node
logging.info('Setting matcher %s %s' % (MATCHER, MATCHER_PUBLICKEY))
except:
MATCHER_PUBLICKEY = ''
def setDatafeed(wdf = DATAFEED):
global DATAFEED
DATAFEED = wdf
logging.info('Setting datafeed %s ' % (DATAFEED))
def wrapper(api, postData='', host='', headers=''):
global OFFLINE
if OFFLINE:
offlineTx = {}
offlineTx['api-type'] = 'POST' if postData else 'GET'
offlineTx['api-endpoint'] = api
offlineTx['api-data'] = postData
return offlineTx
if not host:
host = NODE
if postData:
req = requests.post('%s%s' % (host, api), data=postData, headers={'content-type': 'application/json'}).json()
else:
req = requests.get('%s%s' % (host, api), headers=headers).json()
return req
def height():
return wrapper('/blocks/height')['height']
def lastblock():
return wrapper('/blocks/last')
def block(n):
return wrapper('/blocks/at/%d' % n)
def tx(id):
return wrapper('/transactions/info/%s' % id)
def getOrderBook(assetPair):
req = wrapper('/matcher/orderBook?asset1=%s&asset2=%s' % (assetPair.asset1, assetPair.asset2), '', host = 'http://%s:%s' % (pywaves.MATCHER_HOST, pywaves.MATCHER_PORT))
try:
bids = req['bids']
asks = req['asks']
except:
bids = ''
asks = ''
return bids, asks
def symbols():
return wrapper('/api/symbols', host=DATAFEED)
def markets():
return wrapper('/api/markets', host=DATAFEED)
def validateAddress(address):
addr = crypto.bytes2str(base58.b58decode(address))
if addr[0] != chr(ADDRESS_VERSION):
logging.error("Wrong address version")
elif addr[1] != CHAIN_ID:
logging.error("Wrong chain id")
elif len(addr) != ADDRESS_LENGTH:
logging.error("Wrong address length")
elif addr[-ADDRESS_CHECKSUM_LENGTH:] != crypto.hashChain(crypto.str2bytes(addr[:-ADDRESS_CHECKSUM_LENGTH]))[:ADDRESS_CHECKSUM_LENGTH]:
logging.error("Wrong address checksum")
else:
return True
return False
WAVES = Asset('')