def doJSON_getwork(self, data=None):
if not data is None:
return self.doJSON_submitwork(data)
rv = dict(self.getwork_rv_template)
(hdr, x, target) = self.server.getBlockHeader(self.Username)
# FIXME: this assumption breaks with internal rollntime
# NOTE: noncerange needs to set nonce to start value at least
global _CheckForDupesHACK
uhdr = hdr[:68] + hdr[72:]
if uhdr in _CheckForDupesHACK:
_RealDupes[uhdr] = (_CheckForDupesHACK[uhdr], (hdr, x))
raise self.server.RaiseRedFlags(
RuntimeError('issuing duplicate work'))
_CheckForDupesHACK[uhdr] = (hdr, x)
data = b2a_hex(swap32(hdr)).decode('utf8') + rv['data']
# TODO: endian shuffle etc
rv['data'] = data
if midstate and 'midstate' not in self.extensions and 'midstate' not in self.quirks:
h = midstate.SHA256(hdr)[:8]
rv['midstate'] = b2a_hex(pack('<LLLLLLLL', *h)).decode('ascii')
ShareTargetHex = '%064x' % (target, )
ShareTargetHexLE = b2a_hex(
bytes.fromhex(ShareTargetHex)[::-1]).decode('ascii')
rv['target'] = ShareTargetHexLE
self._JSONHeaders['X-Roll-NTime'] = 'expire=120'
return rv
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from binascii import b2a_hex
from jsonrpcserver import JSONRPCHandler
import logging
try:
import midstate
assert midstate.SHA256(
b'This is just a test, ignore it. I am making it over 64-bytes long.'
)[:8] == (0x755f1a94, 0x999b270c, 0xf358c014, 0xfd39caeb, 0x0dcc9ebc,
0x4694cd1a, 0x8e95678e, 0x75fac450)
except:
logging.getLogger('jsonrpc_getwork').warning(
'Error importing \'midstate\' module; work will not provide midstates')
midstate = None
from struct import pack
from util import RejectedShare, swap32
_CheckForDupesHACK = {}
_RealDupes = {}
class _getwork:
def final_init(server):