async def verify_message(ctx, msg):
digest = message_digest(msg.message)
if len(msg.signature) != 65:
raise wire.DataError("Invalid signature")
sig = bytearray([msg.signature[64]]) + msg.signature[:64]
try:
pubkey = secp256k1.verify_recover(sig, digest)
except ValueError:
raise wire.DataError("Invalid signature")
if not pubkey:
raise wire.DataError("Invalid signature")
pkh = sha3_256(pubkey[1:], keccak=True).digest()[-20:]
address_bytes = bytes_from_address(msg.address)
if address_bytes != pkh:
raise wire.DataError("Invalid signature")
address = address_from_bytes(address_bytes)
await require_confirm_verify_message(ctx, address, msg.message)
return Success(message="Message verified")
async def verify_message(ctx, msg):
digest = message_digest(msg.message)
sig = bytearray([msg.signature[64]]) + msg.signature[:64]
pubkey = secp256k1.verify_recover(sig, digest)
if not pubkey:
raise ValueError("Invalid signature")
pkh = sha3_256(pubkey[1:], keccak=True).digest()[-20:]
if msg.address != pkh:
raise ValueError("Invalid signature")
address = "0x" + hexlify(msg.address).decode()
await require_confirm_verify_message(ctx, address, msg.message)
return Success(message="Message verified")
async def ethereum_verify_message(ctx, msg):
digest = message_digest(msg.message)
sig = bytearray([msg.signature[64]]) + msg.signature[:64]
pubkey = secp256k1.verify_recover(sig, digest)
if not pubkey:
raise ValueError('Invalid signature')
pkh = sha3_256(pubkey[1:]).digest(True)[-20:]
if msg.address != pkh:
raise ValueError('Invalid signature')
address = '0x' + hexlify(msg.address).decode()
await require_confirm_verify_message(ctx, address, msg.message)
return Success(message='Message verified')