19 lines
389 B
Python
19 lines
389 B
Python
class EthereumRespParser:
|
|
def sign(self, data: bytes):
|
|
assert len(data) == (1 + 32 + 32)
|
|
|
|
v = data[0:1]
|
|
data = data[1:]
|
|
|
|
r = data[0:32]
|
|
data = data[32:]
|
|
|
|
s = data[0:32]
|
|
data = data[32:]
|
|
|
|
return v, r, s
|
|
|
|
def challenge(self, data: bytes) -> int:
|
|
assert len(data) == 4
|
|
return int.from_bytes(data, "big")
|