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Merge pull request #8 from valory-xyz/fix/swap-profitability
Fix/swap profitability
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,112 +1,123 @@ | ||
| # -*- coding: utf-8 -*- | ||
| # ------------------------------------------------------------------------------ | ||
| # | ||
| # Copyright 2023-2024 Valory AG | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| # ------------------------------------------------------------------------------ | ||
|
|
||
| """This module contains the class to connect to an ERC20 token contract.""" | ||
|
|
||
| from typing import Dict | ||
|
|
||
| from aea.common import JSONLike | ||
| from aea.configurations.base import PublicId | ||
| from aea.contracts.base import Contract | ||
| from aea.crypto.base import LedgerApi | ||
| from aea_ledger_ethereum import EthereumApi | ||
|
|
||
|
|
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| PUBLIC_ID = PublicId.from_str("valory/erc20:0.1.0") | ||
|
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||
|
|
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| class ERC20(Contract): | ||
| """The ERC20 contract.""" | ||
|
|
||
| contract_id = PUBLIC_ID | ||
|
|
||
| @classmethod | ||
| def check_balance( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| account: str, | ||
| ) -> JSONLike: | ||
| """Check the balance of the given account.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| balance_of = getattr(contract_instance.functions, "balanceOf") # noqa | ||
| token_balance = balance_of(account).call() | ||
| wallet_balance = ledger_api.api.eth.get_balance(account) | ||
| return dict(token=token_balance, wallet=wallet_balance) | ||
|
|
||
| @classmethod | ||
| def get_allowance( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| owner: str, | ||
| spender: str, | ||
| ) -> JSONLike: | ||
| """Check the balance of the given account.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| allowance = contract_instance.functions.allowance(owner, spender).call() | ||
| return dict(data=allowance) | ||
|
|
||
| @classmethod | ||
| def get_token_symbol( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| ) -> JSONLike: | ||
| """Check the balance of the given account.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| symbol = contract_instance.functions.symbol().call() | ||
| return dict(data=symbol) | ||
|
|
||
| @classmethod | ||
| def build_deposit_tx( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| ) -> Dict[str, bytes]: | ||
| """Build a deposit transaction.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| data = contract_instance.encodeABI("deposit") | ||
| return {"data": bytes.fromhex(data[2:])} | ||
|
|
||
| @classmethod | ||
| def build_withdraw_tx( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| amount: int, | ||
| ) -> Dict[str, bytes]: | ||
| """Build a deposit transaction.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| data = contract_instance.encodeABI("withdraw", args=(amount,)) | ||
| return {"data": bytes.fromhex(data[2:])} | ||
|
|
||
| @classmethod | ||
| def build_approval_tx( | ||
| cls, | ||
| ledger_api: LedgerApi, | ||
| contract_address: str, | ||
| spender: str, | ||
| amount: int, | ||
| ) -> Dict[str, bytes]: | ||
| """Build an ERC20 approval.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| checksumed_spender = ledger_api.api.to_checksum_address(spender) | ||
| data = contract_instance.encodeABI("approve", args=(checksumed_spender, amount)) | ||
| return {"data": bytes.fromhex(data[2:])} | ||
| # -*- coding: utf-8 -*- | ||
| # ------------------------------------------------------------------------------ | ||
| # | ||
| # Copyright 2023-2024 Valory AG | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| # ------------------------------------------------------------------------------ | ||
|
|
||
| """This module contains the class to connect to an ERC20 token contract.""" | ||
|
|
||
| from typing import Dict | ||
|
|
||
| from aea.common import JSONLike | ||
| from aea.configurations.base import PublicId | ||
| from aea.contracts.base import Contract | ||
| from aea.crypto.base import LedgerApi | ||
| from aea_ledger_ethereum import EthereumApi | ||
|
|
||
|
|
||
| PUBLIC_ID = PublicId.from_str("valory/erc20:0.1.0") | ||
|
|
||
|
|
||
| class ERC20(Contract): | ||
| """The ERC20 contract.""" | ||
|
|
||
| contract_id = PUBLIC_ID | ||
|
|
||
| @classmethod | ||
| def check_balance( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| account: str, | ||
| ) -> JSONLike: | ||
| """Check the balance of the given account.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| balance_of = getattr(contract_instance.functions, "balanceOf") # noqa | ||
| token_balance = balance_of(account).call() | ||
| wallet_balance = ledger_api.api.eth.get_balance(account) | ||
| return dict(token=token_balance, wallet=wallet_balance) | ||
|
|
||
| @classmethod | ||
| def get_allowance( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| owner: str, | ||
| spender: str, | ||
| ) -> JSONLike: | ||
| """Check the balance of the given account.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| allowance = contract_instance.functions.allowance(owner, spender).call() | ||
| return dict(data=allowance) | ||
|
|
||
| @classmethod | ||
| def get_token_symbol( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| ) -> JSONLike: | ||
| """Check the balance of the given account.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| symbol = contract_instance.functions.symbol().call() | ||
| return dict(data=symbol) | ||
|
|
||
| @classmethod | ||
| def get_token_decimals( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| ) -> JSONLike: | ||
| """Get the token decimals.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| decimals = contract_instance.functions.decimals().call() | ||
| return dict(data=decimals) | ||
|
|
||
| @classmethod | ||
| def build_deposit_tx( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| ) -> Dict[str, bytes]: | ||
| """Build a deposit transaction.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| data = contract_instance.encodeABI("deposit") | ||
| return {"data": bytes.fromhex(data[2:])} | ||
|
|
||
| @classmethod | ||
| def build_withdraw_tx( | ||
| cls, | ||
| ledger_api: EthereumApi, | ||
| contract_address: str, | ||
| amount: int, | ||
| ) -> Dict[str, bytes]: | ||
| """Build a deposit transaction.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| data = contract_instance.encodeABI("withdraw", args=(amount,)) | ||
| return {"data": bytes.fromhex(data[2:])} | ||
|
|
||
| @classmethod | ||
| def build_approval_tx( | ||
| cls, | ||
| ledger_api: LedgerApi, | ||
| contract_address: str, | ||
| spender: str, | ||
| amount: int, | ||
| ) -> Dict[str, bytes]: | ||
| """Build an ERC20 approval.""" | ||
| contract_instance = cls.get_instance(ledger_api, contract_address) | ||
| checksumed_spender = ledger_api.api.to_checksum_address(spender) | ||
| data = contract_instance.encodeABI("approve", args=(checksumed_spender, amount)) | ||
| return {"data": bytes.fromhex(data[2:])} |
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