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Make call_backend_verify use eth_keys objects

pull/327/head
tuxxy 2018-06-24 15:46:07 -06:00
parent c2408eddce
commit 3a9d36202c
1 changed files with 4 additions and 7 deletions
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11
nucypher/blockchain/eth/interfaces.py
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@ -410,15 +410,12 @@ class DeployerCircumflex(ControlCircumflex):
else:
return self.w3.eth.sign(account, data=message) # Technically deprecated...
def call_backend_verify(self, pubkey: bytes , signature: str, msg_hash: bytes):
def call_backend_verify(self, pubkey: PublicKey, signature: Signature, msg_hash: bytes):
"""
Verifies a hex string signature and message hash are from the provided
public key.
"""
eth_sig = Signature(signature_bytes=unhexlify(signature[2:]))
eth_pubkey = PublicKey(public_key_bytes=pubkey)
is_valid_sig = signature.verify_msg_hash(msg_hash, pubkey)
sig_pubkey = signature.recover_public_key_from_msg_hash(msg_hash)
is_valid_sig = eth_sig.verify_msg_hash(msg_hash, eth_pubkey)
sig_pubkey = eth_sig.recovery_public_key_from_msg_hash(msg_hash)
return is_valid_sig and (sig_pubkey == eth_pubkey)
return is_valid_sig and (sig_pubkey == pubkey)