def test_sign_and_recover_message_public_key():
"""Test the signing and the recovery function for the eth_crypto."""
account = EthereumCrypto(ETHEREUM_PRIVATE_KEY_PATH)
sign_bytes = account.sign_message(message=b"hello")
assert len(sign_bytes) > 0, "The len(signature) must not be 0"
recovered_public_keys = EthereumApi.recover_public_keys_from_message(
message=b"hello", signature=sign_bytes
)
assert len(recovered_public_keys) == 1, "Wrong number of public keys recovered."
assert (
EthereumApi.get_address_from_public_key(recovered_public_keys[0])
== account.address
), "Failed to recover the correct address."
def test_derive_address():
"""Test the get_address_from_public_key method"""
account = EthereumCrypto()
address = EthereumApi.get_address_from_public_key(account.public_key)
assert account.address == address, "Address derivation incorrect"