11343896716

Committed 15 Oct 2024 10:09AM CUT coverage: 88.64%. Remained the same

Build # 11343896716

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push

github

Committed by

Uxio0

Commit Message

Bump flake8 from 7.1.0 to 7.1.1

Bumps [flake8](https://github.com/pycqa/flake8) from 7.1.0 to 7.1.1.
- [Commits](https://github.com/pycqa/flake8/compare/7.1.0...7.1.1)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

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68.38

/src/safe_cli/operators/safe_tx_service_operator.py

import json
from itertools import chain
from typing import Any, Dict, Optional, Sequence, Set, Union

from colorama import Fore, Style
from eth_account.messages import defunct_hash_message
from eth_account.signers.local import LocalAccount
from eth_typing import ChecksumAddress
from hexbytes import HexBytes
from prompt_toolkit import HTML, print_formatted_text
from tabulate import tabulate

from gnosis.eth.contracts import get_erc20_contract
from gnosis.eth.eip712 import eip712_encode_hash
from gnosis.safe import SafeOperationEnum, SafeTx
from gnosis.safe.api import SafeAPIException
from gnosis.safe.api.transaction_service_api.transaction_service_messages import (
    get_remove_transaction_message,
)
from gnosis.safe.multi_send import MultiSend, MultiSendOperation, MultiSendTx
from gnosis.safe.safe_signature import SafeSignature
from gnosis.safe.signatures import signature_to_bytes

from ..utils import get_input, yes_or_no_question
from . import SafeServiceNotAvailable
from .exceptions import AccountNotLoadedException, NonExistingOwnerException
from .hw_wallets.hw_wallet import HwWallet
from .safe_operator import SafeOperator


class SafeTxServiceOperator(SafeOperator):
    def __init__(self, address: str, node_url: str):
        super().__init__(address, node_url)
        if not self.safe_tx_service:
            raise SafeServiceNotAvailable(
                f"Cannot configure tx service for network {self.network.name}"
            )
        self.require_all_signatures = (
            False  # It doesn't require all signatures to be present to send a tx
        )

    def approve_hash(self, hash_to_approve: HexBytes, sender: str) -> bool:
        raise NotImplementedError("Not supported when using tx service")

    def sign_message(
        self,
        eip712_message_path: Optional[str] = None,
    ) -> bool:
        if eip712_message_path:
            try:
                message = json.load(open(eip712_message_path, "r"))
                message_hash = eip712_encode_hash(message)
            except ValueError:
                raise ValueError
        else:
            print_formatted_text("EIP191 message to sign:")
            message = get_input()
            message_hash = defunct_hash_message(text=message)

        safe_message_hash = self.safe.get_message_hash(message_hash)
        eoa_signers, hw_wallet_signers = self.get_signers()
        # Safe transaction service just accept one signer to create a message
        signature = b""
        if eoa_signers:
            signature_dict = eoa_signers[0].signHash(safe_message_hash)
            signature = signature_to_bytes(
                signature_dict["v"], signature_dict["r"], signature_dict["s"]
            )

        elif hw_wallet_signers:
            signature = SafeSignature.export_signatures(
                self.hw_wallet_manager.sign_message(
                    safe_message_hash, [hw_wallet_signers[0]]
                )
            )
        else:
            print_formatted_text(
                HTML("<ansired>At least one owner must be loaded</ansired>")
            )

        if self.safe_tx_service.post_message(self.address, message, signature):
            print_formatted_text(
                HTML(
                    f"<ansigreen>Message  with safe-message-hash {safe_message_hash.hex()} was correctly created on Safe Transaction Service</ansigreen>"
                )
            )
            return True
        else:
            print_formatted_text(
                HTML(
                    "<ansired>Something went wrong creating message on Safe Transaction Service</ansired>"
                )
            )
            return False

    def confirm_message(self, safe_message_hash: bytes, sender: ChecksumAddress):
        # GET message
        try:
            safe_message = self.safe_tx_service.get_message(safe_message_hash)
        except SafeAPIException:
            print_formatted_text(
                HTML(
                    f"<ansired>Message with hash {safe_message_hash.hex()} does not exist</ansired>"
                )
            )
        if not yes_or_no_question(
            f"Message: {safe_message['message']} \n Do you want to sign the following message?:"
        ):
            return False

        signer = self.search_account(sender)
        if not signer:
            print_formatted_text(
                HTML(f"<ansired>Owner with address {sender} was not loaded</ansired>")
            )

        if isinstance(signer, LocalAccount):
            signature = signer.signHash(safe_message_hash).signature
        else:
            signature = SafeSignature.export_signatures(
                self.hw_wallet_manager.sign_message(safe_message_hash, [signer])
            )

        try:
            self.safe_tx_service.post_message_signature(safe_message_hash, signature)
        except SafeAPIException as e:
            print_formatted_text(
                HTML(f"<ansired>Message wasn't confirmed due an error: {e}</ansired>")
            )
            return False
        print_formatted_text(
            HTML(
                f"<ansigreen>Message with safe-message-hash {safe_message_hash.hex()} was correctly confirmed on Safe Transaction Service</ansigreen>"
            )
        )
        return True

    def get_delegates(self):
        delegates = self.safe_tx_service.get_delegates(self.address)
        headers = ["delegate", "delegator", "label"]
        rows = []
        for delegate in delegates:
            row = [delegate["delegate"], delegate["delegator"], delegate["label"]]
            rows.append(row)
        print(tabulate(rows, headers=headers))
        return rows

    def add_delegate(self, delegate_address: str, label: str, signer_address: str):
        signer_account = [
            account for account in self.accounts if account.address == signer_address
        ]
        if not signer_account:
            raise AccountNotLoadedException(signer_address)
        elif signer_address not in self.safe_cli_info.owners:
            raise NonExistingOwnerException(signer_address)
        else:
            signer_account = signer_account[0]
            try:
                hash_to_sign = self.safe_tx_service.create_delegate_message_hash(
                    delegate_address
                )
                signature = signer_account.signHash(hash_to_sign)
                self.safe_tx_service.add_delegate(
                    delegate_address,
                    signer_account.address,
                    label,
                    signature.signature,
                    safe_address=self.address,
                )
                return True
            except SafeAPIException:
                return False

    def remove_delegate(self, delegate_address: str, signer_address: str):
        signer_account = [
            account for account in self.accounts if account.address == signer_address
        ]
        if not signer_account:
            raise AccountNotLoadedException(signer_address)
        elif signer_address not in self.safe_cli_info.owners:
            raise NonExistingOwnerException(signer_address)
        else:
            signer_account = signer_account[0]
            try:
                hash_to_sign = self.safe_tx_service.create_delegate_message_hash(
                    delegate_address
                )
                signature = signer_account.signHash(hash_to_sign)
                self.safe_tx_service.remove_delegate(
                    delegate_address,
                    signer_account.address,
                    signature.signature,
                    safe_address=self.address,
                )
                return True
            except SafeAPIException:
                return False

    def submit_signatures(self, safe_tx_hash: bytes) -> bool:
        """
        Submit signatures to the tx service

        :return:
        """

        safe_tx, tx_hash = self.safe_tx_service.get_safe_transaction(safe_tx_hash)
        safe_tx.signatures = b""  # Don't post again existing signatures
        if tx_hash:
            print_formatted_text(
                HTML(
                    f"<ansired>Tx with safe-tx-hash {safe_tx_hash.hex()} "
                    f"has already been executed on {tx_hash.hex()}</ansired>"
                )
            )
        else:
            safe_tx = self.sign_transaction(safe_tx)
            if safe_tx.signers:
                self.safe_tx_service.post_signatures(safe_tx_hash, safe_tx.signatures)
                print_formatted_text(
                    HTML(
                        f"<ansigreen>{len(safe_tx.signers)} signatures were submitted to the tx service</ansigreen>"
                    )
                )
                return True
            else:
                print_formatted_text(
                    HTML(
                        "<ansired>Cannot generate signatures as there were no suitable signers</ansired>"
                    )
                )
        return False

    def batch_txs(self, safe_nonce: int, safe_tx_hashes: Sequence[bytes]) -> bool:
        """
        Submit signatures to the tx service. It's recommended to be on Safe v1.3.0 to prevent issues
        with `safeTxGas` and gas estimation.

        :return:
        """

        try:
            multisend = MultiSend(ethereum_client=self.ethereum_client)
        except ValueError:
            print_formatted_text(
                HTML(
                    "<ansired>Multisend contract is not deployed on this network and it's required for "
                    "batching txs</ansired>"
                )
            )

        multisend_txs = []
        for safe_tx_hash in safe_tx_hashes:
            safe_tx, _ = self.safe_tx_service.get_safe_transaction(safe_tx_hash)
            # Check if call is already a Multisend call
            inner_txs = MultiSend.from_transaction_data(safe_tx.data)
            if inner_txs:
                multisend_txs.extend(inner_txs)
            else:
                multisend_txs.append(
                    MultiSendTx(
                        MultiSendOperation.CALL, safe_tx.to, safe_tx.value, safe_tx.data
                    )
                )

        if len(multisend_txs) > 1:
            safe_tx = SafeTx(
                self.ethereum_client,
                self.address,
                multisend.address,
                0,
                multisend.build_tx_data(multisend_txs),
                SafeOperationEnum.DELEGATE_CALL.value,
                0,
                0,
                0,
                None,
                None,
                safe_nonce=safe_nonce,
            )
        else:
            safe_tx.safe_tx_gas = 0
            safe_tx.base_gas = 0
            safe_tx.gas_price = 0
            safe_tx.signatures = b""
            safe_tx.safe_nonce = safe_nonce  # Resend single transaction
        safe_tx = self.sign_transaction(safe_tx)
        if not safe_tx.signatures:
            print_formatted_text(
                HTML("<ansired>At least one owner must be loaded</ansired>")
            )
            return False
        else:
            return self.post_transaction_to_tx_service(safe_tx)

    def execute_tx(self, safe_tx_hash: Sequence[bytes]) -> bool:
        """
        Submit transaction on the tx-service to blockchain

        :return:
        """
        safe_tx, tx_hash = self.safe_tx_service.get_safe_transaction(safe_tx_hash)
        if tx_hash:
            print_formatted_text(
                HTML(
                    f"<ansired>Tx with safe-tx-hash {safe_tx_hash.hex()} "
                    f"has already been executed on {tx_hash.hex()}</ansired>"
                )
            )
        elif len(safe_tx.signers) < self.safe_cli_info.threshold:
            print_formatted_text(
                HTML(
                    f"<ansired>Number of signatures {len(safe_tx.signers)} "
                    f"must reach the threshold {self.safe_cli_info.threshold}</ansired>"
                )
            )
        else:
            if executed := self.execute_safe_transaction(safe_tx):
                self.refresh_safe_cli_info()
            return executed

    def get_balances(self):
        balances = self.safe_tx_service.get_balances(self.address)
        headers = ["name", "balance", "symbol", "decimals", "tokenAddress"]
        rows = []
        for balance in balances:
            if balance["tokenAddress"]:  # Token
                row = [
                    balance["token"]["name"],
                    f"{int(balance['balance']) / 10 ** int(balance['token']['decimals']):.5f}",
                    balance["token"]["symbol"],
                    balance["token"]["decimals"],
                    balance["tokenAddress"],
                ]
            else:  # Ether
                row = [
                    "ETHER",
                    f"{int(balance['balance']) / 10 ** 18:.5f}",
                    "Ξ",
                    18,
                    "",
                ]
            rows.append(row)
        print(tabulate(rows, headers=headers))
        return rows

    def get_transaction_history(self):
        transactions = self.safe_tx_service.get_transactions(self.address)
        headers = ["nonce", "to", "value", "transactionHash", "safeTxHash"]
        rows = []
        last_executed_tx = False
        for transaction in transactions:
            row = [transaction[header] for header in headers]
            data_decoded: Dict[str, Any] = transaction.get("dataDecoded")
            if data_decoded:
                row.append(self.safe_tx_service.data_decoded_to_text(data_decoded))
            if transaction["transactionHash"]:
                if not transaction["isSuccessful"]:
                    # Transaction failed
                    row[0] = Fore.RED + str(row[0])
                else:
                    row[0] = Fore.GREEN + str(
                        row[0]
                    )  # For executed transactions we use green
                    if not last_executed_tx:
                        row[0] = Style.BRIGHT + row[0]
                        last_executed_tx = True
            else:
                row[0] = Fore.YELLOW + str(
                    row[0]
                )  # For non executed transactions we use yellow

            row[0] = Style.RESET_ALL + row[0]  # Reset all just in case
            rows.append(row)

        headers.append("dataDecoded")
        headers[0] = Style.BRIGHT + headers[0]
        print(tabulate(rows, headers=headers))
        return rows

    def prepare_and_execute_safe_transaction(
        self,
        to: str,
        value: int,
        data: bytes,
        operation: SafeOperationEnum = SafeOperationEnum.CALL,
        safe_nonce: Optional[int] = None,
    ) -> bool:
        safe_tx = self.prepare_safe_transaction(
            to, value, data, operation, safe_nonce=safe_nonce
        )
        return self.post_transaction_to_tx_service(safe_tx)

    def post_transaction_to_tx_service(self, safe_tx: SafeTx) -> bool:
        if not yes_or_no_question(
            f"Do you want to send the tx with safe-tx-hash={safe_tx.safe_tx_hash.hex()} to Safe Transaction Service (it will not be executed) "
            + str(safe_tx)
        ):
            return False

        self.safe_tx_service.post_transaction(safe_tx)
        print_formatted_text(
            HTML(
                f"<ansigreen>Tx with safe-tx-hash={safe_tx.safe_tx_hash.hex()} was sent to Safe Transaction service</ansigreen>"
            )
        )
        return True

    def get_permitted_signers(self) -> Set[ChecksumAddress]:
        """
        :return: Owners and delegates, as they also can sign a transaction for the tx service
        """
        owners = super().get_permitted_signers()
        owners.update(
            [
                row["delegate"]
                for row in self.safe_tx_service.get_delegates(self.address)
            ]
        )
        return owners

    # Function that sends all assets to an account (to)
    def drain(self, to: ChecksumAddress):
        balances = self.safe_tx_service.get_balances(self.address)
        safe_txs = []
        safe_tx = None
        for balance in balances:
            amount = int(balance["balance"])
            if balance["tokenAddress"] is None:  # Then is ether
                if amount != 0:
                    safe_tx = self.prepare_safe_transaction(
                        to,
                        amount,
                        b"",
                        SafeOperationEnum.CALL,
                        safe_nonce=None,
                    )
            else:
                transaction = (
                    get_erc20_contract(self.ethereum_client.w3, balance["tokenAddress"])
                    .functions.transfer(to, amount)
                    .build_transaction({"from": self.address, "gas": 0, "gasPrice": 0})
                )
                safe_tx = self.prepare_safe_transaction(
                    balance["tokenAddress"],
                    0,
                    HexBytes(transaction["data"]),
                    SafeOperationEnum.CALL,
                    safe_nonce=None,
                )
            if safe_tx:
                safe_txs.append(safe_tx)
        if len(safe_txs) > 0:
            multisend_tx = self.batch_safe_txs(safe_tx.safe_nonce, safe_txs)
            if multisend_tx is not None:
                self.post_transaction_to_tx_service(multisend_tx)
                print_formatted_text(
                    HTML(
                        "<ansigreen>Transaction to drain account correctly created</ansigreen>"
                    )
                )
        else:
            print_formatted_text(
                HTML("<ansigreen>Safe account is currently empty</ansigreen>")
            )

    def search_account(
        self, address: ChecksumAddress
    ) -> Optional[Union[LocalAccount, HwWallet]]:
        """
        Search the provided address between loaded owners

        :param address:
        :return: LocalAccount or HwWallet of the provided address
        """
        for account in chain(self.accounts, self.hw_wallet_manager.wallets):
            if account.address == address:
                return account

    def remove_proposed_transaction(self, safe_tx_hash: bytes):
        eip712_message = get_remove_transaction_message(
            self.address, safe_tx_hash, self.ethereum_client.get_chain_id()
        )
        message_hash = eip712_encode_hash(eip712_message)
        try:
            safe_tx, _ = self.safe_tx_service.get_safe_transaction(safe_tx_hash)
            signer = self.search_account(safe_tx.proposer)
            if not signer:
                print_formatted_text(
                    HTML(
                        f"<ansired>The proposer with address: {safe_tx.proposer} was not loaded</ansired>"
                    )
                )
                return False

            if isinstance(signer, LocalAccount):
                signature = signer.signHash(message_hash).signature
            else:
                signature = self.hw_wallet_manager.sign_eip712(
                    eip712_message, [signer]
                )[0].signature

            if len(safe_tx.signers) >= self.safe.retrieve_threshold():
                print_formatted_text(
                    HTML(
                        "<ansired>The transaction has all the required signatures to be executed!!!\n"
                        "This means that the transaction can be executed by a 3rd party monitoring your Safe even after removal!\n"
                        f"Make sure you execute a transaction with nonce {safe_tx.safe_nonce} to void the current transaction"
                        "</ansired>"
                    )
                )

            if not yes_or_no_question(
                f"Do you want to remove the tx with safe-tx-hash={safe_tx.safe_tx_hash.hex()}"
            ):
                return False

            self.safe_tx_service.delete_transaction(safe_tx_hash.hex(), signature.hex())
            print_formatted_text(
                HTML(
                    f"<ansigreen>Transaction {safe_tx_hash.hex()} was removed correctly</ansigreen>"
                )
            )
            return True
        except SafeAPIException as e:
            print_formatted_text(
                HTML(f"<ansired>Transaction wasn't removed due an error: {e}</ansired>")
            )
            return False

1	import json	4✔
2	from itertools import chain	4✔
3	from typing import Any, Dict, Optional, Sequence, Set, Union	4✔
4
5	from colorama import Fore, Style	4✔
6	from eth_account.messages import defunct_hash_message	4✔
7	from eth_account.signers.local import LocalAccount	4✔
8	from eth_typing import ChecksumAddress	4✔
9	from hexbytes import HexBytes	4✔
10	from prompt_toolkit import HTML, print_formatted_text	4✔
11	from tabulate import tabulate	4✔
12
13	from gnosis.eth.contracts import get_erc20_contract	4✔
14	from gnosis.eth.eip712 import eip712_encode_hash	4✔
15	from gnosis.safe import SafeOperationEnum, SafeTx	4✔
16	from gnosis.safe.api import SafeAPIException	4✔
17	from gnosis.safe.api.transaction_service_api.transaction_service_messages import (	4✔
18	get_remove_transaction_message,
19	)
20	from gnosis.safe.multi_send import MultiSend, MultiSendOperation, MultiSendTx	4✔
21	from gnosis.safe.safe_signature import SafeSignature	4✔
22	from gnosis.safe.signatures import signature_to_bytes	4✔
23
24	from ..utils import get_input, yes_or_no_question	4✔
25	from . import SafeServiceNotAvailable	4✔
26	from .exceptions import AccountNotLoadedException, NonExistingOwnerException	4✔
27	from .hw_wallets.hw_wallet import HwWallet	4✔
28	from .safe_operator import SafeOperator	4✔
29
30
31	class SafeTxServiceOperator(SafeOperator):	4✔
32	def __init__(self, address: str, node_url: str):	4✔
33	super().__init__(address, node_url)	4✔
34	if not self.safe_tx_service:	4✔
35	raise SafeServiceNotAvailable(	4✔
36	f"Cannot configure tx service for network {self.network.name}"
37	)
38	self.require_all_signatures = (	4✔
39	False # It doesn't require all signatures to be present to send a tx
40	)
41
42	def approve_hash(self, hash_to_approve: HexBytes, sender: str) -> bool:	4✔
43	raise NotImplementedError("Not supported when using tx service")
44
45	def sign_message(	4✔
46	self,
47	eip712_message_path: Optional[str] = None,
48	) -> bool:
49	if eip712_message_path:	×
50	try:	×
51	message = json.load(open(eip712_message_path, "r"))	×
52	message_hash = eip712_encode_hash(message)	×
53	except ValueError:	×
54	raise ValueError	×
55	else:
56	print_formatted_text("EIP191 message to sign:")	×
57	message = get_input()	×
58	message_hash = defunct_hash_message(text=message)	×
59
60	safe_message_hash = self.safe.get_message_hash(message_hash)	×
61	eoa_signers, hw_wallet_signers = self.get_signers()	×
62	# Safe transaction service just accept one signer to create a message
63	signature = b""	×
64	if eoa_signers:	×
65	signature_dict = eoa_signers[0].signHash(safe_message_hash)	×
66	signature = signature_to_bytes(	×
67	signature_dict["v"], signature_dict["r"], signature_dict["s"]
68	)
69
70	elif hw_wallet_signers:	×
71	signature = SafeSignature.export_signatures(	×
72	self.hw_wallet_manager.sign_message(
73	safe_message_hash, [hw_wallet_signers[0]]
74	)
75	)
76	else:
77	print_formatted_text(	×
78	HTML("<ansired>At least one owner must be loaded</ansired>")
79	)
80
81	if self.safe_tx_service.post_message(self.address, message, signature):	×
82	print_formatted_text(	×
83	HTML(
84	f"<ansigreen>Message with safe-message-hash {safe_message_hash.hex()} was correctly created on Safe Transaction Service</ansigreen>"
85	)
86	)
87	return True	×
88	else:
89	print_formatted_text(	×
90	HTML(
91	"<ansired>Something went wrong creating message on Safe Transaction Service</ansired>"
92	)
93	)
94	return False	×
95
96	def confirm_message(self, safe_message_hash: bytes, sender: ChecksumAddress):	4✔
97	# GET message
98	try:	4✔
99	safe_message = self.safe_tx_service.get_message(safe_message_hash)	4✔
100	except SafeAPIException:	×
101	print_formatted_text(	×
102	HTML(
103	f"<ansired>Message with hash {safe_message_hash.hex()} does not exist</ansired>"
104	)
105	)
106	if not yes_or_no_question(	4✔
107	f"Message: {safe_message['message']} \n Do you want to sign the following message?:"
108	):
109	return False	×
110
111	signer = self.search_account(sender)	4✔
112	if not signer:	4✔
113	print_formatted_text(	×
114	HTML(f"<ansired>Owner with address {sender} was not loaded</ansired>")
115	)
116
117	if isinstance(signer, LocalAccount):	4✔
118	signature = signer.signHash(safe_message_hash).signature	4✔
119	else:
120	signature = SafeSignature.export_signatures(	×
121	self.hw_wallet_manager.sign_message(safe_message_hash, [signer])
122	)
123
124	try:	4✔
125	self.safe_tx_service.post_message_signature(safe_message_hash, signature)	4✔
126	except SafeAPIException as e:	4✔
127	print_formatted_text(	4✔
128	HTML(f"<ansired>Message wasn't confirmed due an error: {e}</ansired>")
129	)
130	return False	4✔
131	print_formatted_text(	4✔
132	HTML(
133	f"<ansigreen>Message with safe-message-hash {safe_message_hash.hex()} was correctly confirmed on Safe Transaction Service</ansigreen>"
134	)
135	)
136	return True	4✔
137
138	def get_delegates(self):	4✔
139	delegates = self.safe_tx_service.get_delegates(self.address)	4✔
140	headers = ["delegate", "delegator", "label"]	4✔
141	rows = []	4✔
142	for delegate in delegates:	4✔
143	row = [delegate["delegate"], delegate["delegator"], delegate["label"]]	4✔
144	rows.append(row)	4✔
145	print(tabulate(rows, headers=headers))	4✔
146	return rows	4✔
147
148	def add_delegate(self, delegate_address: str, label: str, signer_address: str):	4✔
149	signer_account = [	4✔
150	account for account in self.accounts if account.address == signer_address
151	]
152	if not signer_account:	4✔
153	raise AccountNotLoadedException(signer_address)	×
154	elif signer_address not in self.safe_cli_info.owners:	4✔
155	raise NonExistingOwnerException(signer_address)	×
156	else:
157	signer_account = signer_account[0]	4✔
158	try:	4✔
159	hash_to_sign = self.safe_tx_service.create_delegate_message_hash(	4✔
160	delegate_address
161	)
162	signature = signer_account.signHash(hash_to_sign)	4✔
163	self.safe_tx_service.add_delegate(	4✔
164	delegate_address,
165	signer_account.address,
166	label,
167	signature.signature,
168	safe_address=self.address,
169	)
170	return True	4✔
171	except SafeAPIException:	×
172	return False	×
173
174	def remove_delegate(self, delegate_address: str, signer_address: str):	4✔
175	signer_account = [	4✔
176	account for account in self.accounts if account.address == signer_address
177	]
178	if not signer_account:	4✔
179	raise AccountNotLoadedException(signer_address)	×
180	elif signer_address not in self.safe_cli_info.owners:	4✔
181	raise NonExistingOwnerException(signer_address)	×
182	else:
183	signer_account = signer_account[0]	4✔
184	try:	4✔
185	hash_to_sign = self.safe_tx_service.create_delegate_message_hash(	4✔
186	delegate_address
187	)
188	signature = signer_account.signHash(hash_to_sign)	4✔
189	self.safe_tx_service.remove_delegate(	4✔
190	delegate_address,
191	signer_account.address,
192	signature.signature,
193	safe_address=self.address,
194	)
195	return True	4✔
196	except SafeAPIException:	×
197	return False	×
198
199	def submit_signatures(self, safe_tx_hash: bytes) -> bool:	4✔
200	"""
201	Submit signatures to the tx service
202
203	:return:
204	"""
205
206	safe_tx, tx_hash = self.safe_tx_service.get_safe_transaction(safe_tx_hash)	4✔
207	safe_tx.signatures = b"" # Don't post again existing signatures	4✔
208	if tx_hash:	4✔
209	print_formatted_text(	4✔
210	HTML(
211	f"<ansired>Tx with safe-tx-hash {safe_tx_hash.hex()} "
212	f"has already been executed on {tx_hash.hex()}</ansired>"
213	)
214	)
215	else:
216	safe_tx = self.sign_transaction(safe_tx)	4✔
217	if safe_tx.signers:	4✔
218	self.safe_tx_service.post_signatures(safe_tx_hash, safe_tx.signatures)	4✔
219	print_formatted_text(	4✔
220	HTML(
221	f"<ansigreen>{len(safe_tx.signers)} signatures were submitted to the tx service</ansigreen>"
222	)
223	)
224	return True	4✔
225	else:
226	print_formatted_text(	4✔
227	HTML(
228	"<ansired>Cannot generate signatures as there were no suitable signers</ansired>"
229	)
230	)
231	return False	4✔
232
233	def batch_txs(self, safe_nonce: int, safe_tx_hashes: Sequence[bytes]) -> bool:	4✔
234	"""
235	Submit signatures to the tx service. It's recommended to be on Safe v1.3.0 to prevent issues
236	with `safeTxGas` and gas estimation.
237
238	:return:
239	"""
240
241	try:	4✔
242	multisend = MultiSend(ethereum_client=self.ethereum_client)	4✔
243	except ValueError:	×
244	print_formatted_text(	×
245	HTML(
246	"<ansired>Multisend contract is not deployed on this network and it's required for "
247	"batching txs</ansired>"
248	)
249	)
250
251	multisend_txs = []	4✔
252	for safe_tx_hash in safe_tx_hashes:	4✔
253	safe_tx, _ = self.safe_tx_service.get_safe_transaction(safe_tx_hash)	4✔
254	# Check if call is already a Multisend call
255	inner_txs = MultiSend.from_transaction_data(safe_tx.data)	4✔
256	if inner_txs:	4✔
257	multisend_txs.extend(inner_txs)	×
258	else:
259	multisend_txs.append(	4✔
260	MultiSendTx(
261	MultiSendOperation.CALL, safe_tx.to, safe_tx.value, safe_tx.data
262	)
263	)
264
265	if len(multisend_txs) > 1:	4✔
266	safe_tx = SafeTx(	×
267	self.ethereum_client,
268	self.address,
269	multisend.address,
270	0,
271	multisend.build_tx_data(multisend_txs),
272	SafeOperationEnum.DELEGATE_CALL.value,
273	0,
274	0,
275	0,
276	None,
277	None,
278	safe_nonce=safe_nonce,
279	)
280	else:
281	safe_tx.safe_tx_gas = 0	4✔
282	safe_tx.base_gas = 0	4✔
283	safe_tx.gas_price = 0	4✔
284	safe_tx.signatures = b""	4✔
285	safe_tx.safe_nonce = safe_nonce # Resend single transaction	4✔
286	safe_tx = self.sign_transaction(safe_tx)	4✔
287	if not safe_tx.signatures:	4✔
288	print_formatted_text(	×
289	HTML("<ansired>At least one owner must be loaded</ansired>")
290	)
291	return False	×
292	else:
293	return self.post_transaction_to_tx_service(safe_tx)	4✔
294
295	def execute_tx(self, safe_tx_hash: Sequence[bytes]) -> bool:	4✔
296	"""
297	Submit transaction on the tx-service to blockchain
298
299	:return:
300	"""
301	safe_tx, tx_hash = self.safe_tx_service.get_safe_transaction(safe_tx_hash)	×
302	if tx_hash:	×
303	print_formatted_text(	×
304	HTML(
305	f"<ansired>Tx with safe-tx-hash {safe_tx_hash.hex()} "
306	f"has already been executed on {tx_hash.hex()}</ansired>"
307	)
308	)
309	elif len(safe_tx.signers) < self.safe_cli_info.threshold:	×
310	print_formatted_text(	×
311	HTML(
312	f"<ansired>Number of signatures {len(safe_tx.signers)} "
313	f"must reach the threshold {self.safe_cli_info.threshold}</ansired>"
314	)
315	)
316	else:
317	if executed := self.execute_safe_transaction(safe_tx):	×
318	self.refresh_safe_cli_info()	×
319	return executed	×
320
321	def get_balances(self):	4✔
322	balances = self.safe_tx_service.get_balances(self.address)	4✔
323	headers = ["name", "balance", "symbol", "decimals", "tokenAddress"]	4✔
324	rows = []	4✔
325	for balance in balances:	4✔
326	if balance["tokenAddress"]: # Token	4✔
327	row = [	4✔
328	balance["token"]["name"],
329	f"{int(balance['balance']) / 10 ** int(balance['token']['decimals']):.5f}",
330	balance["token"]["symbol"],
331	balance["token"]["decimals"],
332	balance["tokenAddress"],
333	]
334	else: # Ether
335	row = [	4✔
336	"ETHER",
337	f"{int(balance['balance']) / 10 ** 18:.5f}",
338	"Ξ",
339	18,
340	"",
341	]
342	rows.append(row)	4✔
343	print(tabulate(rows, headers=headers))	4✔
344	return rows	4✔
345
346	def get_transaction_history(self):	4✔
347	transactions = self.safe_tx_service.get_transactions(self.address)	4✔
348	headers = ["nonce", "to", "value", "transactionHash", "safeTxHash"]	4✔
349	rows = []	4✔
350	last_executed_tx = False	4✔
351	for transaction in transactions:	4✔
352	row = [transaction[header] for header in headers]	4✔
353	data_decoded: Dict[str, Any] = transaction.get("dataDecoded")	4✔
354	if data_decoded:	4✔
355	row.append(self.safe_tx_service.data_decoded_to_text(data_decoded))	4✔
356	if transaction["transactionHash"]:	4✔
357	if not transaction["isSuccessful"]:	4✔
358	# Transaction failed
359	row[0] = Fore.RED + str(row[0])	×
360	else:
361	row[0] = Fore.GREEN + str(	4✔
362	row[0]
363	) # For executed transactions we use green
364	if not last_executed_tx:	4✔
365	row[0] = Style.BRIGHT + row[0]	4✔
366	last_executed_tx = True	4✔
367	else:
368	row[0] = Fore.YELLOW + str(	×
369	row[0]
370	) # For non executed transactions we use yellow
371
372	row[0] = Style.RESET_ALL + row[0] # Reset all just in case	4✔
373	rows.append(row)	4✔
374
375	headers.append("dataDecoded")	4✔
376	headers[0] = Style.BRIGHT + headers[0]	4✔
377	print(tabulate(rows, headers=headers))	4✔
378	return rows	4✔
379
380	def prepare_and_execute_safe_transaction(	4✔
381	self,
382	to: str,
383	value: int,
384	data: bytes,
385	operation: SafeOperationEnum = SafeOperationEnum.CALL,
386	safe_nonce: Optional[int] = None,
387	) -> bool:
388	safe_tx = self.prepare_safe_transaction(	×
389	to, value, data, operation, safe_nonce=safe_nonce
390	)
391	return self.post_transaction_to_tx_service(safe_tx)	×
392
393	def post_transaction_to_tx_service(self, safe_tx: SafeTx) -> bool:	4✔
394	if not yes_or_no_question(	4✔
395	f"Do you want to send the tx with safe-tx-hash={safe_tx.safe_tx_hash.hex()} to Safe Transaction Service (it will not be executed) "
396	+ str(safe_tx)
397	):
398	return False	×
399
400	self.safe_tx_service.post_transaction(safe_tx)	4✔
401	print_formatted_text(	4✔
402	HTML(
403	f"<ansigreen>Tx with safe-tx-hash={safe_tx.safe_tx_hash.hex()} was sent to Safe Transaction service</ansigreen>"
404	)
405	)
406	return True	4✔
407
408	def get_permitted_signers(self) -> Set[ChecksumAddress]:	4✔
409	"""
410	:return: Owners and delegates, as they also can sign a transaction for the tx service
411	"""
412	owners = super().get_permitted_signers()	4✔
413	owners.update(	4✔
414	[
415	row["delegate"]
416	for row in self.safe_tx_service.get_delegates(self.address)
417	]
418	)
419	return owners	4✔
420
421	# Function that sends all assets to an account (to)
422	def drain(self, to: ChecksumAddress):	4✔
423	balances = self.safe_tx_service.get_balances(self.address)	×
424	safe_txs = []	×
425	safe_tx = None	×
426	for balance in balances:	×
427	amount = int(balance["balance"])	×
428	if balance["tokenAddress"] is None: # Then is ether	×
429	if amount != 0:	×
430	safe_tx = self.prepare_safe_transaction(	×
431	to,
432	amount,
433	b"",
434	SafeOperationEnum.CALL,
435	safe_nonce=None,
436	)
437	else:
438	transaction = (	×
439	get_erc20_contract(self.ethereum_client.w3, balance["tokenAddress"])
440	.functions.transfer(to, amount)
441	.build_transaction({"from": self.address, "gas": 0, "gasPrice": 0})
442	)
443	safe_tx = self.prepare_safe_transaction(	×
444	balance["tokenAddress"],
445	0,
446	HexBytes(transaction["data"]),
447	SafeOperationEnum.CALL,
448	safe_nonce=None,
449	)
450	if safe_tx:	×
451	safe_txs.append(safe_tx)	×
452	if len(safe_txs) > 0:	×
453	multisend_tx = self.batch_safe_txs(safe_tx.safe_nonce, safe_txs)	×
454	if multisend_tx is not None:	×
455	self.post_transaction_to_tx_service(multisend_tx)	×
456	print_formatted_text(	×
457	HTML(
458	"<ansigreen>Transaction to drain account correctly created</ansigreen>"
459	)
460	)
461	else:
462	print_formatted_text(	×
463	HTML("<ansigreen>Safe account is currently empty</ansigreen>")
464	)
465
466	def search_account(	4✔
467	self, address: ChecksumAddress
468	) -> Optional[Union[LocalAccount, HwWallet]]:
469	"""
470	Search the provided address between loaded owners
471
472	:param address:
473	:return: LocalAccount or HwWallet of the provided address
474	"""
475	for account in chain(self.accounts, self.hw_wallet_manager.wallets):	4✔
476	if account.address == address:	4✔
477	return account	4✔
478
479	def remove_proposed_transaction(self, safe_tx_hash: bytes):	4✔
480	eip712_message = get_remove_transaction_message(	4✔
481	self.address, safe_tx_hash, self.ethereum_client.get_chain_id()
482	)
483	message_hash = eip712_encode_hash(eip712_message)	4✔
484	try:	4✔
485	safe_tx, _ = self.safe_tx_service.get_safe_transaction(safe_tx_hash)	4✔
486	signer = self.search_account(safe_tx.proposer)	4✔
487	if not signer:	4✔
488	print_formatted_text(	4✔
489	HTML(
490	f"<ansired>The proposer with address: {safe_tx.proposer} was not loaded</ansired>"
491	)
492	)
493	return False	4✔
494
495	if isinstance(signer, LocalAccount):	4✔
496	signature = signer.signHash(message_hash).signature	4✔
497	else:
498	signature = self.hw_wallet_manager.sign_eip712(	×
499	eip712_message, [signer]
500	)[0].signature
501
502	if len(safe_tx.signers) >= self.safe.retrieve_threshold():	4✔
503	print_formatted_text(	×
504	HTML(
505	"<ansired>The transaction has all the required signatures to be executed!!!\n"
506	"This means that the transaction can be executed by a 3rd party monitoring your Safe even after removal!\n"
507	f"Make sure you execute a transaction with nonce {safe_tx.safe_nonce} to void the current transaction"
508	"</ansired>"
509	)
510	)
511
512	if not yes_or_no_question(	4✔
513	f"Do you want to remove the tx with safe-tx-hash={safe_tx.safe_tx_hash.hex()}"
514	):
515	return False	×
516
517	self.safe_tx_service.delete_transaction(safe_tx_hash.hex(), signature.hex())	4✔
518	print_formatted_text(	4✔
519	HTML(
520	f"<ansigreen>Transaction {safe_tx_hash.hex()} was removed correctly</ansigreen>"
521	)
522	)
523	return True	4✔
524	except SafeAPIException as e:	×
525	print_formatted_text(	×
526	HTML(f"<ansired>Transaction wasn't removed due an error: {e}</ansired>")
527	)
528	return False	×

safe-global / safe-cli / 11343896716

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