def trace_filter(self,
from_block=None,
to_block=None,
from_addresses=None,
to_addresses=None):
'''
https://github.com/ethcore/parity/wiki/JSONRPC-trace-module#trace_filter
TESTED
'''
params = {}
if from_block is not None:
from_block = validate_block(from_block)
params['fromBlock'] = from_block
if to_block is not None:
to_block = validate_block(to_block)
params['toBlock'] = to_block
if from_addresses is not None:
if not isinstance(from_addresses, list):
from_addresses = [from_addresses]
params['fromAddress'] = from_addresses
if to_addresses is not None:
if not isinstance(to_addresses, list):
to_addresses = [to_addresses]
params['toAddress'] = to_addresses
return self._call('trace_filter', [params])
def evaluate_mv(self):
predicted_frame = np.zeros(self.previous.shape, np.uint8)
motion_field = np.zeros((self.height // self.N, self.width // self.N, 2))
for block_idx, block_jdx in tqdm(list(itertools.product(range(0, self.height - self.N + 1, self.N),
range(0, self.width - self.N + 1, self.N)))):
min_diff = np.infty
matching_block = np.zeros((self.N, self.N), np.uint8)
dx, dy = (0, 0)
for vy, vx in itertools.product(range(-self.R, self.R + self.N + 1),
range(-self.R, self.R + self.N + 1)):
valid, start_current_block, end_current_block, \
start_previous_block, end_previous_block = validate_block(block_idx, block_jdx, vy, vx, self.height, self.width, self.N)
if valid is False:
continue
current_block = sub_block(self.current, start_current_block, end_current_block).astype(np.float32)
previous_block = sub_block(self.previous, start_previous_block, end_previous_block).astype(np.float32)
block_difference = np.sum(np.abs(current_block - previous_block))
if block_difference < min_diff:
min_diff = block_difference
matching_block = previous_block
dx, dy = (vx, vy)
predicted_frame[block_idx:block_idx+self.N, block_jdx:block_jdx+self.N] = matching_block
motion_field[block_idx // self.N, block_jdx // self.N, 0] = dx
motion_field[block_idx // self.N, block_jdx // self.N, 1] = dy
return predicted_frame, motion_field
def trace_block(self, block=BLOCK_TAG_LATEST):
'''
https://github.com/ethcore/parity/wiki/JSONRPC-trace-module#trace_block
TESTED
'''
block = validate_block(block)
return self._call('trace_block', [block])
def eth_getBlockByNumber(self, block=BLOCK_TAG_LATEST, tx_objects=True):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getblockbynumber
TESTED
'''
block = validate_block(block)
return self._call('eth_getBlockByNumber', [block, tx_objects])
def up_getUncleByBlockNumberAndIndex(self, block=BLOCK_TAG_LATEST, index=0):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#up_getunclebyblocknumberandindex
TESTED
'''
block = validate_block(block)
return self._call('up_getUncleByBlockNumberAndIndex', [block, hex(index)])
def up_getUncleCountByBlockNumber(self, block=BLOCK_TAG_LATEST):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#up_getunclecountbyblocknumber
TESTED
'''
block = validate_block(block)
return hex_to_dec(self._call('up_getUncleCountByBlockNumber', [block]))
def up_getBlockTransactionCountByNumber(self, block=BLOCK_TAG_LATEST):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#up_getblocktransactioncountbynumber
TESTED
'''
block = validate_block(block)
return hex_to_dec(self._call('up_getBlockTransactionCountByNumber', [block]))
def up_getTransactionCount(self, address, block=BLOCK_TAG_LATEST):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#up_gettransactioncount
TESTED
'''
block = validate_block(block)
return hex_to_dec(self._call('up_getTransactionCount', [address, block]))
def up_getStorageAt(self, address=None, position=0, block=BLOCK_TAG_LATEST):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#up_getstorageat
TESTED
'''
block = validate_block(block)
return self._call('up_getStorageAt', [address, hex(position), block])
def up_getBalance(self, address=None, block=BLOCK_TAG_LATEST):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#up_getbalance
TESTED
'''
address = address or self.up_coinbase()
block = validate_block(block)
return hex_to_dec(self._call('up_getBalance', [address, block]))
def eth_getTransactionByBlockNumberAndIndex(self,
block=BLOCK_TAG_LATEST,
index=0):
'''
https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_gettransactionbyblocknumberandindex
TESTED
'''
block = validate_block(block)
return self._call('eth_getTransactionByBlockNumberAndIndex',
[block, hex(index)])
