Compare commits

...

1 Commits

Author SHA1 Message Date
nolash dc3461e48e
Upgrade transfer request auth contract, remove stale code in cic-eth 2021-02-16 15:43:40 +01:00
6 changed files with 19 additions and 249 deletions

@ -1 +1 @@
Subproject commit 06c5f0fb0dca5992a7ffb12874b5cb0c9fdcd706
Subproject commit d2cb3a45558d7ca3a412c97c6aea794d9ac6c6f5

View File

@ -1,194 +0,0 @@
# standard imports
import logging
# third-party imports
import web3
import celery
from erc20_approval_escrow import TransferApproval
from cic_registry import CICRegistry
from cic_registry.chain import ChainSpec
# local imports
from cic_eth.db.models.tx import TxCache
from cic_eth.db.models.base import SessionBase
from cic_eth.eth import RpcClient
from cic_eth.eth.factory import TxFactory
from cic_eth.eth.task import sign_and_register_tx
from cic_eth.eth.util import unpack_signed_raw_tx
from cic_eth.eth.task import create_check_gas_and_send_task
from cic_eth.error import TokenCountError
celery_app = celery.current_app
logg = logging.getLogger()
contract_function_signatures = {
'request': 'b0addede',
}
class TransferRequestTxFactory(TxFactory):
"""Factory for creating Transfer request transactions using the TransferApproval contract backend
"""
def request(
self,
token_address,
beneficiary_address,
amount,
chain_spec,
):
"""Create a new TransferApproval.request transaction
:param token_address: Token to create transfer request for
:type token_address: str, 0x-hex
:param beneficiary_address: Beneficiary of token transfer
:type beneficiary_address: str, 0x-hex
:param amount: Amount of tokens to transfer
:type amount: number
:param chain_spec: Chain spec
:type chain_spec: cic_registry.chain.ChainSpec
:returns: Transaction in standard Ethereum format
:rtype: dict
"""
transfer_approval = CICRegistry.get_contract(chain_spec, 'TransferApproval', 'TransferAuthorization')
fn = transfer_approval.function('createRequest')
tx_approval_buildable = fn(beneficiary_address, token_address, amount)
transfer_approval_gas = transfer_approval.gas('createRequest')
tx_approval = tx_approval_buildable.buildTransaction({
'from': self.address,
'gas': transfer_approval_gas,
'gasPrice': self.gas_price,
'chainId': chain_spec.chain_id(),
'nonce': self.next_nonce(),
})
return tx_approval
def unpack_transfer_approval_request(data):
"""Verifies that a transaction is an "TransferApproval.request" transaction, and extracts call parameters from it.
:param data: Raw input data from Ethereum transaction.
:type data: str, 0x-hex
:raises ValueError: Function signature does not match AccountRegister.add
:returns: Parsed parameters
:rtype: dict
"""
f = data[2:10]
if f != contract_function_signatures['request']:
raise ValueError('Invalid transfer request data ({})'.format(f))
d = data[10:]
return {
'to': web3.Web3.toChecksumAddress('0x' + d[64-40:64]),
'token': web3.Web3.toChecksumAddress('0x' + d[128-40:128]),
'amount': int(d[128:], 16)
}
@celery_app.task(bind=True)
def transfer_approval_request(self, tokens, holder_address, receiver_address, value, chain_str):
"""Creates a new transfer approval
:param tokens: Token to generate transfer request for
:type tokens: list with single token spec as dict
:param holder_address: Address to generate transfer on behalf of
:type holder_address: str, 0x-hex
:param receiver_address: Address to transfser tokens to
:type receiver_address: str, 0x-hex
:param value: Amount of tokens to transfer
:type value: number
:param chain_spec: Chain spec string representation
:type chain_spec: str
:raises cic_eth.error.TokenCountError: More than one token in tokens argument
:returns: Raw signed transaction
:rtype: list with transaction as only element
"""
if len(tokens) != 1:
raise TokenCountError
chain_spec = ChainSpec.from_chain_str(chain_str)
queue = self.request.delivery_info['routing_key']
t = tokens[0]
c = RpcClient(holder_address)
txf = TransferRequestTxFactory(holder_address, c)
tx_transfer = txf.request(t['address'], receiver_address, value, chain_spec)
(tx_hash_hex, tx_signed_raw_hex) = sign_and_register_tx(tx_transfer, chain_str, queue, 'cic_eth.eth.request.otx_cache_transfer_approval_request')
gas_budget = tx_transfer['gas'] * tx_transfer['gasPrice']
s = create_check_gas_and_send_task(
[tx_signed_raw_hex],
chain_str,
holder_address,
gas_budget,
[tx_hash_hex],
queue,
)
s.apply_async()
return [tx_signed_raw_hex]
@celery_app.task()
def otx_cache_transfer_approval_request(
tx_hash_hex,
tx_signed_raw_hex,
chain_str,
):
"""Generates and commits transaction cache metadata for an TransferApproval.request transaction
:param tx_hash_hex: Transaction hash
:type tx_hash_hex: str, 0x-hex
:param tx_signed_raw_hex: Raw signed transaction
:type tx_signed_raw_hex: str, 0x-hex
:param chain_str: Chain spec string representation
:type chain_str: str
:returns: Transaction hash and id of cache element in storage backend, respectively
:rtype: tuple
"""
chain_spec = ChainSpec.from_chain_str(chain_str)
tx_signed_raw_bytes = bytes.fromhex(tx_signed_raw_hex[2:])
tx = unpack_signed_raw_tx(tx_signed_raw_bytes, chain_spec.chain_id())
logg.debug('in otx acche transfer approval request')
(txc, cache_id) = cache_transfer_approval_request_data(tx_hash_hex, tx)
return txc
@celery_app.task()
def cache_transfer_approval_request_data(
tx_hash_hex,
tx,
):
"""Helper function for otx_cache_transfer_approval_request
:param tx_hash_hex: Transaction hash
:type tx_hash_hex: str, 0x-hex
:param tx: Signed raw transaction
:type tx: str, 0x-hex
:returns: Transaction hash and id of cache element in storage backend, respectively
:rtype: tuple
"""
tx_data = unpack_transfer_approval_request(tx['data'])
logg.debug('tx approval request data {}'.format(tx_data))
logg.debug('tx approval request {}'.format(tx))
session = SessionBase.create_session()
tx_cache = TxCache(
tx_hash_hex,
tx['from'],
tx_data['to'],
tx_data['token'],
tx_data['token'],
tx_data['amount'],
tx_data['amount'],
)
session.add(tx_cache)
session.commit()
cache_id = tx_cache.id
session.close()
return (tx_hash_hex, cache_id)

View File

@ -55,62 +55,25 @@ SessionBase.connect(dsn)
celery_app = celery.Celery(backend=config.get('CELERY_RESULT_URL'), broker=config.get('CELERY_BROKER_URL'))
queue = args.q
re_transfer_approval_request = r'^/transferrequest/?'
re_something = r'^/something/?'
chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
def process_transfer_approval_request(session, env):
r = re.match(re_transfer_approval_request, env.get('PATH_INFO'))
def process_something(session, env):
r = re.match(re_something, env.get('PATH_INFO'))
if not r:
return None
if env.get('CONTENT_TYPE') != 'application/json':
raise AttributeError('content type')
#if env.get('CONTENT_TYPE') != 'application/json':
# raise AttributeError('content type')
if env.get('REQUEST_METHOD') != 'POST':
raise AttributeError('method')
#if env.get('REQUEST_METHOD') != 'POST':
# raise AttributeError('method')
post_data = json.load(env.get('wsgi.input'))
token_address = web3.Web3.toChecksumAddress(post_data['token_address'])
holder_address = web3.Web3.toChecksumAddress(post_data['holder_address'])
beneficiary_address = web3.Web3.toChecksumAddress(post_data['beneficiary_address'])
value = int(post_data['value'])
logg.debug('transfer approval request token {} to {} from {} value {}'.format(
token_address,
beneficiary_address,
holder_address,
value,
)
)
s = celery.signature(
'cic_eth.eth.request.transfer_approval_request',
[
[
{
'address': token_address,
},
],
holder_address,
beneficiary_address,
value,
config.get('CIC_CHAIN_SPEC'),
],
queue=queue,
)
t = s.apply_async()
r = t.get()
tx_raw_bytes = bytes.fromhex(r[0][2:])
tx = unpack_signed_raw_tx(tx_raw_bytes, chain_spec.chain_id())
for r in t.collect():
logg.debug('result {}'.format(r))
if not t.successful():
raise RuntimeError(tx['hash'])
return ('text/plain', tx['hash'].encode('utf-8'),)
#post_data = json.load(env.get('wsgi.input'))
#return ('text/plain', 'foo'.encode('utf-8'),)
# uwsgi application
@ -125,7 +88,7 @@ def application(env, start_response):
session = SessionBase.create_session()
for handler in [
process_transfer_approval_request,
process_something,
]:
try:
r = handler(session, env)

View File

@ -9,8 +9,9 @@ alembic==1.4.2
websockets==8.1
requests~=2.24.0
eth_accounts_index~=0.0.10a7
erc20-approval-escrow~=0.3.0a5
erc20-transfer-authorization~=0.3.0a7
erc20-single-shot-faucet~=0.2.0a6
eth-address-index~=0.1.0a8
rlp==2.0.1
uWSGI==2.0.19.1
semver==2.13.0

View File

@ -22,7 +22,7 @@ RUN echo Install confini schema files && \
ENV CONFINI_DIR /usr/local/etc/cic
ARG cic_contracts_commit=698ef3a30fde8d7f2c498f1208fb0ff45d665501
ARG cic_contracts_commit=9933979e14484e826523df23a0b11480799f6380
ARG cic_contracts_url=https://gitlab.com/grassrootseconomics/cic-contracts.git/
RUN echo Install ABI collection for solidity interfaces used across all components && \
git clone --depth 1 $cic_contracts_url cic-contracts && \
@ -106,7 +106,7 @@ RUN cd cic-bancor/python && \
pip install --extra-index-url $pip_extra_index_url .
RUN echo installing common python tooling
ARG cic_python_commit=beecee783ceac2ea0fa711f888ce4c82f1a81490
ARG cic_python_commit=4573afb7ad4d635c2f3330b8b9b25806523b7e14
ARG cic_python_url=https://gitlab.com/grassrootseconomics/cic-python.git/
RUN echo Install sum of python dependencies across all components && \
git clone --depth 1 $cic_python_url cic-python && \
@ -126,8 +126,8 @@ RUN pip install --extra-index-url $pip_extra_index_url giftable-erc20-token==$gi
ARG eth_accounts_index_version=0.0.10a6
RUN pip install --extra-index-url $pip_extra_index_url eth-accounts-index==$eth_accounts_index_version
ARG erc20_approval_escrow_version=0.3.0a4
RUN pip install --extra-index-url $pip_extra_index_url erc20-approval-escrow==$erc20_approval_escrow_version
ARG erc20_transfer_authorization_version=0.3.0a8
RUN pip install --extra-index-url $pip_extra_index_url erc20-transfer-authorization==$erc20_transfer_authorization_version
ARG erc20_single_shot_faucet_version=0.2.0a5
RUN pip install --extra-index-url $pip_extra_index_url erc20-single-shot-faucet==$erc20_single_shot_faucet_version

View File

@ -9,7 +9,7 @@ ecuth==0.4.5a1
eth-accounts-index==0.0.10a7
eth-address-index==0.1.0a7
eth-tester==0.5.0b3
erc20-approval-escrow==0.3.0a5
erc20-transfer-authorization==0.3.0a7
erc20-single-shot-faucet==0.2.0a6
faker==4.17.1
http-hoba-auth==0.2.0