mirror of
https://github.com/grassrootseconomics/erc20-pool.git
synced 2024-11-07 06:26:47 +01:00
Implement python interface, deposit and swap test
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lash
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.gitignore
vendored
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.gitignore
vendored
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__pycache__
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*.pyc
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*.egg-info
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build/
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dist/
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solidity/*.json
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solidity/*.bin
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1
python/erc20_pool/__init__.py
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python/erc20_pool/__init__.py
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from .pool import Pool
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1
python/erc20_pool/data/SwapPool.bin
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1
python/erc20_pool/data/SwapPool.bin
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File diff suppressed because one or more lines are too long
1
python/erc20_pool/data/SwapPool.json
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python/erc20_pool/data/SwapPool.json
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[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"},{"internalType":"bytes32","name":"_declaration","type":"bytes32"},{"internalType":"address","name":"_tokenRegistry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bool","name":"_final","type":"bool"},{"indexed":false,"internalType":"uint256","name":"_sealState","type":"uint256"}],"name":"SealStateChange","type":"event"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_state","type":"uint256"}],"name":"isSealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSealState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_state","type":"uint256"}],"name":"seal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sealState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeAddress","type":"address"}],"name":"setFeeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_sum","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_outToken","type":"address"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_outToken","type":"address"},{"internalType":"address","name":"_inToken","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_outToken","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]
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1
python/erc20_pool/data/SwapPool.metadata.json
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python/erc20_pool/data/SwapPool.metadata.json
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{"compiler":{"version":"0.8.19+commit.7dd6d404"},"language":"Solidity","output":{"abi":[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"},{"internalType":"bytes32","name":"_declaration","type":"bytes32"},{"internalType":"address","name":"_tokenRegistry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bool","name":"_final","type":"bool"},{"indexed":false,"internalType":"uint256","name":"_sealState","type":"uint256"}],"name":"SealStateChange","type":"event"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_state","type":"uint256"}],"name":"isSealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSealState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_state","type":"uint256"}],"name":"seal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sealState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeAddress","type":"address"}],"name":"setFeeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_sum","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_outToken","type":"address"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_outToken","type":"address"},{"internalType":"address","name":"_inToken","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_outToken","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}],"devdoc":{"kind":"dev","methods":{},"version":1},"userdoc":{"kind":"user","methods":{},"version":1}},"settings":{"compilationTarget":{"SwapPool.sol":"SwapPool"},"evmVersion":"byzantium","libraries":{},"metadata":{"bytecodeHash":"ipfs"},"optimizer":{"enabled":false,"runs":200},"remappings":[]},"sources":{"SwapPool.sol":{"keccak256":"0xe353d1255baee8fd9937c51600b0710e041108f041062a0130e6833a51c5c873","license":"AGPL-3.0-or-later","urls":["bzz-raw://56811f458f4310e26fbe8cf177eff3165898f324bfe74a6ca954771d20f3b498","dweb:/ipfs/QmYa1bep3hAvcNr7w1PHjRa65CLUkcJKmZRftKXZGG8wwS"]}},"version":1}
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3
python/erc20_pool/data/__init__.py
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python/erc20_pool/data/__init__.py
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import os
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data_dir = os.path.realpath(os.path.dirname(__file__))
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python/erc20_pool/pool.py
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python/erc20_pool/pool.py
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# standard imports
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import logging
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import os
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import enum
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# external imports
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.eth.constant import ZERO_CONTENT
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from chainlib.eth.contract import (
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ABIContractEncoder,
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ABIContractDecoder,
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ABIContractType,
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abi_decode_single,
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)
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from chainlib.eth.jsonrpc import to_blockheight_param
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from chainlib.eth.error import RequestMismatchException
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from chainlib.eth.tx import (
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TxFactory,
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TxFormat,
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)
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from chainlib.jsonrpc import JSONRPCRequest
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from chainlib.block import BlockSpec
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from hexathon import (
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add_0x,
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strip_0x,
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)
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from chainlib.eth.cli.encode import CLIEncoder
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# local imports
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from erc20_pool.data import data_dir
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logg = logging.getLogger()
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class Pool(TxFactory):
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__abi = None
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__bytecode = None
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def constructor(self, sender_address, name, symbol, decimals, declaration=None, accounts_registry=None, tx_format=TxFormat.JSONRPC, version=None):
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code = self.cargs(name, symbol, decimals, declaration=declaration, accounts_registry=accounts_registry, version=version)
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tx = self.template(sender_address, None, use_nonce=True)
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tx = self.set_code(tx, code)
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return self.finalize(tx, tx_format)
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@staticmethod
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def cargs(name, symbol, decimals, declaration=None, accounts_registry=None, version=None):
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if declaration == None:
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declaration = ZERO_CONTENT
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if accounts_registry == None:
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accounts_registry = ZERO_ADDRESS
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code = Pool.bytecode(version=version)
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enc = ABIContractEncoder()
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enc.string(name)
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enc.string(symbol)
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enc.uint256(decimals)
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enc.bytes32(declaration)
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enc.address(accounts_registry)
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args = enc.get()
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code += args
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logg.debug('constructor code: ' + args)
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return code
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@staticmethod
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def gas(code=None):
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return 4000000
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@staticmethod
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def abi():
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if Pool.__abi == None:
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f = open(os.path.join(data_dir, 'SwapPool.json'), 'r')
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Pool.__abi = json.load(f)
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f.close()
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return Pool.__abi
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@staticmethod
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def bytecode(version=None):
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if Pool.__bytecode == None:
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f = open(os.path.join(data_dir, 'SwapPool.bin'))
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Pool.__bytecode = f.read()
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f.close()
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return Pool.__bytecode
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def deposit(self, contract_address, sender_address, token_address, value, tx_format=TxFormat.JSONRPC, id_generator=None):
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enc = ABIContractEncoder()
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enc.method('deposit')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(token_address)
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enc.uint256(value)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format, id_generator=id_generator)
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return tx
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def swap(self, contract_address, sender_address, token_address_out, token_address_in, value, tx_format=TxFormat.JSONRPC, id_generator=None):
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enc = ABIContractEncoder()
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enc.method('withdraw')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(token_address_out)
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enc.address(token_address_in)
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enc.uint256(value)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format, id_generator=id_generator)
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return tx
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1
python/erc20_pool/unittest/__init__.py
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python/erc20_pool/unittest/__init__.py
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from .base import *
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63
python/erc20_pool/unittest/base.py
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63
python/erc20_pool/unittest/base.py
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# standard imports
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import logging
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import time
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# external imports
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from chainlib.eth.unittest.ethtester import EthTesterCase
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from chainlib.connection import RPCConnection
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from chainlib.eth.nonce import RPCNonceOracle
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from chainlib.eth.tx import receipt
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from chainlib.eth.address import to_checksum_address
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from giftable_erc20_token.unittest import TestGiftableToken
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from eth_erc20 import ERC20
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from chainlib.eth.block import block_latest
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from eth_accounts_index.unittest import TestAccountsIndex
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from eth_accounts_index.registry import AccountRegistry
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from giftable_erc20_token import GiftableToken
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# local imports
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from erc20_pool import Pool
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logg = logging.getLogger(__name__)
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hash_of_foo = '2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae'
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hash_of_bar = 'fcde2b2edba56bf408601fb721fe9b5c338d10ee429ea04fae5511b68fbf8fb9'
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hash_of_baz = 'baa5a0964d3320fbc0c6a922140453c8513ea24ab8fd0577034804a967248096'
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class TestERC20Pool(TestGiftableToken):
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expire = 0
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def setUp(self):
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super(TestERC20Pool, self).setUp()
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self.foo_address = self.address
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self.bar_address = self.publish_giftable_token('Bar Token', 'BAR', 16)
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self.baz_address = self.publish_giftable_token('Baz Token', 'BAZ', 16)
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self.initial_supply_bar = 1 << 20
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self.initial_supply_baz = 1 << 15
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nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
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c = GiftableToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.mint_to(self.bar_address, self.accounts[0], self.accounts[1], self.initial_supply_bar)
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r = self.conn.do(o)
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o = receipt(tx_hash)
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r = self.conn.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.mint_to(self.baz_address, self.accounts[0], self.accounts[2], self.initial_supply_baz)
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r = self.conn.do(o)
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o = receipt(tx_hash)
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r = self.conn.do(o)
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self.assertEqual(r['status'], 1)
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c = Pool(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.constructor(self.accounts[0], "Big Pool", "BIG", 16)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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self.voter_address = to_checksum_address(r['contract_address'])
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logg.debug('published bar token {}, baz token {}'.format(self.bar_address, self.baz_address))
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logg.debug('published voter on address {} with hash {}'.format(self.voter_address, tx_hash))
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3
python/requirements.txt
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python/requirements.txt
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eth-erc20~=0.7.3
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chainlib-eth~=0.4.22
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#chainlib~=0.4.14
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4
python/test_requirements.txt
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4
python/test_requirements.txt
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eth_tester==0.5.0b3
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py-evm==0.3.0a20
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eth-interface==0.1.1
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eth-accounts-index~=0.5.3
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77
python/tests/test_base.py
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python/tests/test_base.py
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# standard imports
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import unittest
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import logging
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import os
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from chainlib.eth.nonce import RPCNonceOracle
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from chainlib.eth.tx import receipt
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from chainlib.eth.block import block_latest
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from hexathon import same as same_hex
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from eth_erc20 import ERC20
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from giftable_erc20_token import GiftableToken
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# local imports
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from erc20_pool.unittest import TestERC20Pool
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from erc20_pool import Pool
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#from evm_tokenvote.unittest.base import hash_of_foo
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#from evm_tokenvote import Voter
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#from evm_tokenvote import ProposalState
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logging.basicConfig(level=logging.DEBUG)
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logg = logging.getLogger()
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class TestPoolBase(TestERC20Pool):
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def test_deposit(self):
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nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
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c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.approve(self.foo_address, self.accounts[0], self.voter_address, 1024)
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self.rpc.do(o)
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c = Pool(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.deposit(self.voter_address, self.accounts[0], self.foo_address, 1024)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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o = c.balance_of(self.foo_address, self.voter_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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self.assertEqual(int(r, 16), 1024)
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def test_swap(self):
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nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
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c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.approve(self.foo_address, self.accounts[0], self.voter_address, 1024)
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self.rpc.do(o)
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c = Pool(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.deposit(self.voter_address, self.accounts[0], self.foo_address, 1024)
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self.rpc.do(o)
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nonce_oracle = RPCNonceOracle(self.accounts[1], conn=self.conn)
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c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.approve(self.bar_address, self.accounts[1], self.voter_address, 768)
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self.rpc.do(o)
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c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.approve(self.foo_address, self.accounts[1], self.voter_address, 768)
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self.rpc.do(o)
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||||
|
||||
c = Pool(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
|
||||
(tx_hash, o) = c.swap(self.voter_address, self.accounts[1], self.foo_address, self.bar_address, 768)
|
||||
self.rpc.do(o)
|
||||
o = receipt(tx_hash)
|
||||
r = self.rpc.do(o)
|
||||
self.assertEqual(r['status'], 1)
|
||||
|
||||
c = ERC20(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
|
||||
o = c.balance_of(self.foo_address, self.accounts[1], sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
self.assertEqual(int(r, 16), 768)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
@ -7,6 +7,6 @@ all:
|
||||
truncate -s -1 SwapPool.bin
|
||||
|
||||
install: all
|
||||
cp -v *.json ../python/erc20_swap_pool/data/
|
||||
cp -v *.bin ../python/erc20_swap_pool/data/
|
||||
cp -v *.json ../python/erc20_pool/data/
|
||||
cp -v *.bin ../python/erc20_pool/data/
|
||||
|
||||
|
||||
@ -6,27 +6,98 @@ pragma solidity ^0.8.0;
|
||||
// Description: Voting contract using ERC20 tokens as shares
|
||||
|
||||
contract SwapPool {
|
||||
// Implements EIP173
|
||||
address public owner;
|
||||
|
||||
address registry;
|
||||
address quoter;
|
||||
uint256 feePpm;
|
||||
address feeAddress;
|
||||
bytes32 declaration;
|
||||
|
||||
string public name;
|
||||
string public symbol;
|
||||
uint256 public immutable decimals;
|
||||
|
||||
uint256 public totalSupply;
|
||||
|
||||
mapping ( address => uint256 ) fees;
|
||||
|
||||
constructor(address _tokenRegistry) {
|
||||
// Implements Seal
|
||||
uint256 public sealState;
|
||||
uint8 constant FEE_STATE = 1;
|
||||
uint8 constant FEEADDRESS_STATE = 2;
|
||||
uint256 constant public maxSealState = 3;
|
||||
|
||||
// Implements Seal
|
||||
event SealStateChange(bool indexed _final, uint256 _sealState);
|
||||
|
||||
// EIP173
|
||||
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); // EIP173
|
||||
|
||||
constructor(string memory _name, string memory _symbol, uint8 _decimals, bytes32 _declaration, address _tokenRegistry) {
|
||||
name = _name;
|
||||
symbol = _symbol;
|
||||
decimals = _decimals;
|
||||
registry = _tokenRegistry;
|
||||
declaration = _declaration;
|
||||
}
|
||||
|
||||
function seal(uint256 _state) public returns(uint256) {
|
||||
require(_state <= maxSealState, 'ERR_INVALID_STATE');
|
||||
require(_state & sealState == 0, 'ERR_ALREADY_LOCKED');
|
||||
sealState |= _state;
|
||||
emit SealStateChange(sealState == maxSealState, sealState);
|
||||
return uint256(sealState);
|
||||
}
|
||||
|
||||
function isSealed(uint256 _state) public view returns(bool) {
|
||||
require(_state < maxSealState);
|
||||
if (_state == 0) {
|
||||
return sealState == maxSealState;
|
||||
}
|
||||
return _state & sealState == _state;
|
||||
}
|
||||
|
||||
// Change address for collecting fees
|
||||
function setFeeAddress(address _feeAddress) public {
|
||||
require(!isSealed(FEEADDRESS_STATE), "ERR_SEAL");
|
||||
require(msg.sender == owner, "ERR_AXX");
|
||||
feeAddress = _feeAddress;
|
||||
}
|
||||
|
||||
// Change address for collecting fees
|
||||
function setFee(uint256 _fee) public {
|
||||
require(!isSealed(FEE_STATE), "ERR_SEAL");
|
||||
require(msg.sender == owner, "ERR_AXX");
|
||||
require(_fee < 1000000, "ERR_FEE_TOO_HIGH");
|
||||
feePpm = _fee;
|
||||
}
|
||||
|
||||
// Implements EIP173
|
||||
function transferOwnership(address _newOwner) public returns (bool) {
|
||||
address oldOwner;
|
||||
|
||||
require(msg.sender == owner);
|
||||
oldOwner = owner;
|
||||
owner = _newOwner;
|
||||
|
||||
emit OwnershipTransferred(oldOwner, owner);
|
||||
return true;
|
||||
}
|
||||
|
||||
function deposit(address _token, uint256 _value) public {
|
||||
bool r;
|
||||
bytes memory v;
|
||||
|
||||
allowedToken(_token, registry);
|
||||
mustAllowedToken(_token, registry);
|
||||
|
||||
(r, v) = _token.call(abi.encodeWithSignature('transferFrom(address,address,uint256)', msg.sender, this, _value));
|
||||
require(r, "ERR_TOKEN");
|
||||
r = abi.decode(v, (bool));
|
||||
require(r, "ERR_TRANSFER");
|
||||
|
||||
totalSupply += _value;
|
||||
}
|
||||
|
||||
function getFee(uint256 _value) private view returns (uint256) {
|
||||
@ -71,7 +142,7 @@ contract SwapPool {
|
||||
|
||||
deposit(_inToken, _value);
|
||||
|
||||
(r, v) = _outToken.call(abi.encodeWithSignature('transferFrom(address,address,uint256)', this, msg.sender, netValue));
|
||||
(r, v) = _outToken.call(abi.encodeWithSignature('transfer(address,uint256)', msg.sender, netValue));
|
||||
require(r, "ERR_TOKEN");
|
||||
r = abi.decode(v, (bool));
|
||||
require(r, "ERR_TRANSFER");
|
||||
@ -81,11 +152,30 @@ contract SwapPool {
|
||||
}
|
||||
}
|
||||
|
||||
function withdraw(address _token, uint256 _value) public returns (uint256) {
|
||||
// Withdraw token to fee address
|
||||
function withdraw(address _outToken) public returns (uint256) {
|
||||
uint256 balance;
|
||||
|
||||
balance = fees[_outToken];
|
||||
|
||||
return withdraw(_outToken, balance);
|
||||
}
|
||||
|
||||
function allowedToken(address _token, address _registry) private {
|
||||
function withdraw(address _outToken, uint256 _value) public returns (uint256) {
|
||||
bool r;
|
||||
bytes memory v;
|
||||
|
||||
require(feeAddress != address(0), "ERR_AXX");
|
||||
|
||||
(r, v) = _outToken.call(abi.encodeWithSignature('transferFrom(address,address,uint256)', this, feeAddress, _value));
|
||||
require(r, "ERR_TOKEN");
|
||||
r = abi.decode(v, (bool));
|
||||
require(r, "ERR_TRANSFER");
|
||||
|
||||
return _value;
|
||||
}
|
||||
|
||||
function mustAllowedToken(address _token, address _registry) private {
|
||||
bool r;
|
||||
bytes memory v;
|
||||
|
||||
@ -98,4 +188,18 @@ contract SwapPool {
|
||||
r = abi.decode(v, (bool));
|
||||
require(r, "ERR_UNAUTH_TOKEN");
|
||||
}
|
||||
|
||||
// Implements EIP165
|
||||
function supportsInterface(bytes4 _sum) public pure returns (bool) {
|
||||
if (_sum == 0x01ffc9a7) { // ERC165
|
||||
return true;
|
||||
}
|
||||
if (_sum == 0x9493f8b2) { // ERC173
|
||||
return true;
|
||||
}
|
||||
if (_sum == 0x0d7491f8) { // Seal
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user