def signers(self):
"""List of addresses that have signed this transaction"""
return [
get_signer(self.hash, sig)
if sig != NULL_SIGNATURE else NULL_ADDRESS
for sig in self.signatures
]
def signer(self):
return get_signer(self.hash, self.sig)
def sender2(self):
return get_signer(self.hash, self.sig2)
def sender(self, index):
return get_signer(self.hash, self.sig(index))
def signer(self):
"""Address of the signer of this block"""
return get_signer(self.hash, self.signature)
def signers(self):
return [get_signer(self.hash, sig) if sig != NULL_SIGNATURE else NULL_ADDRESS for sig in self.signatures]
def sign(self, index, key, verifyingContract=None):
hash = hash_struct(self, verifyingContract=verifyingContract)
sig = sign(hash, key)
self.signatures[index] = sig
self._signers[index] = get_signer(hash, sig) if sig != NULL_SIGNATURE else NULL_ADDRESS
def test_signature(t, block):
block.sign(t.k0)
assert block.sig == sign(block.hash, t.k0)
assert block.signer == get_signer(block.hash, sign(block.hash, t.k0))
