def test_eth_getBlock_by_hash(web3):
block_1 = web3.eth.getBlock(1)
block_1_hash = block_1['hash']
block_1_by_hash = web3.eth.getBlock(block_1_hash)
assert block_1_by_hash
assert block_1_by_hash['number'] == 1
assert block_1_by_hash['hash'] == block_1_hash
assert all(is_string(txn) for txn in block_1['transactions'])
def extract_ecdsa_signer(msg_hash, signature):
msg_hash_bytes = decode_hex(msg_hash) if msg_hash.startswith(b'0x') else msg_hash
signature_bytes = decode_hex(signature) if signature.startswith(b'0x') else signature
pk = PublicKey(flags=ALL_FLAGS)
rec_id = signature_bytes[64]
if is_string(rec_id):
rec_id = ord(rec_id)
pk.public_key = pk.ecdsa_recover(
msg_hash_bytes,
pk.ecdsa_recoverable_deserialize(
signature_bytes[:64], rec_id,
),
raw=True,
)
pk_serialized = pk.serialize(compressed=False)
address = add_0x_prefix(sha3(encode_pubkey(pk_serialized, 'bin')[1:])[-40:])
return address
def test_eth_sign(web3):
if isinstance(web3.currentProvider, TestRPCProvider):
pytest.skip("testrpc doesn't implement `getBlockTransactionCount`")
private_key_hex = b'0x5e95384d8050109aab08c1922d3c230739bc16976553c317e5d0b87b59371f2a'
private_key = decode_hex(private_key_hex)
# This imports the private key into the running geth instance and unlocks
# the account so that it can sign things.
# `0xa5df35f30ba0ce878b1061ae086289adff3ba1e0`
address = force_bytes(web3.personal.importRawKey(private_key, "password"))
web3.personal.unlockAccount(address, "password")
assert add_0x_prefix(encode_hex(privtoaddr(private_key))) == add_0x_prefix(address)
assert address == b'0xa5df35f30ba0ce878b1061ae086289adff3ba1e0'
# the data to be signed
data = b'1234567890abcdefghijklmnopqrstuvwxyz'
# the hash of the data `0x089c33d56ed10bd8b571a0f493cedb28db1ae0f40c6cd266243001528c06eab3`
data_hash = web3.sha3(data, encoding=None)
data_hash_bytes = decode_hex(data_hash)
assert force_bytes(data_hash) == sha3(data)
priv_key = PrivateKey(flags=ALL_FLAGS)
priv_key.set_raw_privkey(private_key)
# sanit check the extract_ecdsa_signer function works as expected.
vector_sig = priv_key.ecdsa_sign_recoverable(data_hash_bytes, raw=True, digest=sha3_256)
vector_sig_bytes, rec_id = priv_key.ecdsa_recoverable_serialize(vector_sig)
vector_sig_bytes_full = vector_sig_bytes + force_bytes(chr(rec_id))
vector_address = extract_ecdsa_signer(data_hash_bytes, vector_sig_bytes_full)
assert vector_address == address
# Now have geth sign some data.
signature_hex = web3.eth.sign(address, data)
signature_bytes = decode_hex(signature_hex)
actual_signer = extract_ecdsa_signer(data_hash_bytes, signature_bytes)
with pytest.raises(AssertionError):
# For some unknown reason, the extracted account from the signature
# returned from geth is not present in the account list.
assert actual_signer == address
# Verify the signature against the public key derived from the
# original private key. It fails.
rec_id = signature_bytes[64]
if is_string(rec_id):
rec_id = ord(rec_id)
recoverable_signature = priv_key.ecdsa_recoverable_deserialize(
signature_bytes[:64],
rec_id,
)
signature = priv_key.ecdsa_recoverable_convert(recoverable_signature)
is_valid = priv_key.pubkey.ecdsa_verify(
msg=data,
raw_sig=signature,
digest=sha3_256,
)
with pytest.raises(AssertionError):
# TODO: figure out why this happens and fix it.
# For some unknown reason, the extracted account from the signature
# returned from geth is not present in the account list.
assert is_valid is True
def test_eth_getBlock_by_number(web3):
assert web3.eth.blockNumber >= 1
block_1 = web3.eth.getBlock(1)
assert block_1
assert block_1['number'] == 1
assert all(is_string(txn) for txn in block_1['transactions'])
def test_eth_getBlock_by_number(web3):
block_1 = web3.eth.getBlock(1)
assert block_1
assert block_1['number'] == 1
assert all(is_string(txn) for txn in block_1['transactions'])
