def handle_execute(self, tx):
print('called handle_execute {}'.format(tx['id']))
ilp_header = tx['transaction']['data']['payload']['ilp_header']
hop = ilp_header['hops'][0]
ledger = get_bigchain(ledger_id=hop['ledger'])
tx_escrow = ledger.get_transaction(hop['txid'])
source = self.accounts[hop['ledger']]['vk']
to = source
asset_id = {
'txid': hop['txid'],
'cid': 0
}
sk = self.accounts[hop['ledger']]['sk']
fulfillment = cc.Fulfillment.from_uri(tx['transaction']['fulfillments'][0]['fulfillment'])
hashlocks, _ = get_subcondition_indices_from_type(fulfillment, cc.PreimageSha256Fulfillment.TYPE_ID)
execution_fulfillment = hashlocks[0].serialize_uri()
fulfill_escrow_asset(bigchain=ledger,
source=source,
to=to,
asset_id=asset_id,
sk=sk,
execution_fulfillment=execution_fulfillment)
def handle_execute(self, tx):
print('called handle_execute {}'.format(tx['id']))
ilp_header = tx['transaction']['data']['payload']['ilp_header']
hop = ilp_header['hops'][0]
ledger = get_bigchain(ledger_id=hop['ledger'])
tx_escrow = ledger.get_transaction(hop['txid'])
source = self.accounts[hop['ledger']]['vk']
to = source
asset_id = {'txid': hop['txid'], 'cid': 0}
sk = self.accounts[hop['ledger']]['sk']
fulfillment = cc.Fulfillment.from_uri(
tx['transaction']['fulfillments'][0]['fulfillment'])
hashlocks, _ = get_subcondition_indices_from_type(
fulfillment, cc.PreimageSha256Fulfillment.TYPE_ID)
execution_fulfillment = hashlocks[0].serialize_uri()
fulfill_escrow_asset(bigchain=ledger,
source=source,
to=to,
asset_id=asset_id,
sk=sk,
execution_fulfillment=execution_fulfillment)
def handle_escrow(self, tx, current_ledger_id):
print('called handle_escrow {}'.format(tx['id']))
ilp_header = tx['transaction']['data']['payload']['ilp_header']
if 'hops' not in ilp_header:
ilp_header['hops'] = []
ilp_header['hops'].append({
'ledger': current_ledger_id,
'txid': tx['id']
})
destination_ledger_id = ilp_header['ledger']
ledger = get_bigchain(ledger_id=destination_ledger_id)
source = self.accounts[destination_ledger_id]['vk']
to = ilp_header['account']
asset_id = ledger.get_owned_ids(source).pop()
sk = self.accounts[destination_ledger_id]['sk']
condition = cc.Fulfillment.from_dict(tx['transaction']['conditions'][0]['condition']['details'])
timelocks, _ = get_subcondition_indices_from_type(condition, cc.TimeoutFulfillment.TYPE_ID)
expires_at = timelocks[0].expire_time.decode()
hashlocks, _ = get_subcondition_indices_from_type(condition, cc.PreimageSha256Fulfillment.TYPE_ID)
execution_condition = hashlocks[0].serialize_uri()
escrow_asset(bigchain=ledger,
source=source,
to=to,
asset_id=asset_id,
sk=sk,
expires_at=expires_at,
ilp_header=ilp_header,
execution_condition=execution_condition)
def handle_escrow(self, tx, current_ledger_id):
print('called handle_escrow {}'.format(tx['id']))
ilp_header = tx['transaction']['data']['payload']['ilp_header']
if 'hops' not in ilp_header:
ilp_header['hops'] = []
ilp_header['hops'].append({
'ledger': current_ledger_id,
'txid': tx['id']
})
destination_ledger_id = ilp_header['ledger']
ledger = get_bigchain(ledger_id=destination_ledger_id)
source = self.accounts[destination_ledger_id]['vk']
to = ilp_header['account']
asset_id = ledger.get_owned_ids(source).pop()
sk = self.accounts[destination_ledger_id]['sk']
condition = cc.Fulfillment.from_dict(
tx['transaction']['conditions'][0]['condition']['details'])
timelocks, _ = get_subcondition_indices_from_type(
condition, cc.TimeoutFulfillment.TYPE_ID)
expires_at = timelocks[0].expire_time.decode()
hashlocks, _ = get_subcondition_indices_from_type(
condition, cc.PreimageSha256Fulfillment.TYPE_ID)
execution_condition = hashlocks[0].serialize_uri()
escrow_asset(bigchain=ledger,
source=source,
to=to,
asset_id=asset_id,
sk=sk,
expires_at=expires_at,
ilp_header=ilp_header,
execution_condition=execution_condition)
import functools
import os
import logging
from tornado import websocket, web, ioloop
from tornado.gen import coroutine
import rethinkdb as r
from init_accounts import get_bigchain
clients = []
bigchain = get_bigchain()
# from http://blog.hiphipjorge.com/django-and-realtime-using-django-with-tornado-and-rethinkdb/
r.set_loop_type('tornado')
logger = logging.getLogger('tornado')
@coroutine
def print_changes(db_table):
conn = yield bigchain.conn
feed = yield r.table(db_table).changes().run(conn)
while (yield feed.fetch_next()):
change = yield feed.next()
block = get_block_from_change(change, db_table)
for client in clients:
for tx in block:
# TODO: use REQL for filtering
def _listen_events(self, ledger_id):
ledger = get_bigchain(ledger_id=ledger_id)
for change in r.table('bigchain').changes().run(ledger.conn):
if change['old_val'] is None:
self._handle_block(change['new_val'], ledger_id)
import functools
import os
import logging
from tornado import websocket, web, ioloop
from tornado.gen import coroutine
import rethinkdb as r
from init_accounts import get_bigchain
clients = []
bigchain = get_bigchain()
# from http://blog.hiphipjorge.com/django-and-realtime-using-django-with-tornado-and-rethinkdb/
r.set_loop_type('tornado')
logger = logging.getLogger('tornado')
@coroutine
def print_changes(db_table):
conn = yield bigchain.conn
feed = yield r.table(db_table).changes().run(conn)
while (yield feed.fetch_next()):
change = yield feed.next()
block = get_block_from_change(change, db_table)
for client in clients:
for tx in block:
# TODO: use REQL for filtering
if tx_contains_vk(tx['transaction'], client.username):
def _listen_events(self, ledger_id):
ledger = get_bigchain(ledger_id=ledger_id)
for change in r.table('bigchain').changes().run(ledger.conn):
if change['old_val'] is None:
self._handle_block(change['new_val'], ledger_id)