commit 9d0afe9ea398408a861b3256b25efd281b45accf Author: nolash <dev@holbrook.no> Date: Mon, 7 Dec 2020 16:16:56 +0100 Initial commit Diffstat:
29 files changed, 317 insertions(+), 0 deletions(-)
diff --git a/python/erc20_single_shot_faucet/data/ERC20SingleShotFaucet.abi.json b/python/erc20_single_shot_faucet/data/ERC20SingleShotFaucet.abi.json @@ -0,0 +1 @@ +[{"inputs":[{"internalType":"address[]","name":"_overriders","type":"address[]"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_store","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_recipient","type":"address"},{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"FaucetFail","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_recipient","type":"address"},{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"FaucetUsed","type":"event"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"giveTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"setAmount","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}] 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+[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"completeOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"isLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"lock","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_new_owner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"used_accounts","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}] diff --git a/python/erc20_single_shot_faucet/data/ERC20SingleShotFaucetStorage.bin b/python/erc20_single_shot_faucet/data/ERC20SingleShotFaucetStorage.bin @@ -0,0 +1 @@ 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+[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"TransferFrom","type":"event"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"addMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"removeMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","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":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] diff --git a/python/erc20_single_shot_faucet/data/GiftableToken.bin b/python/erc20_single_shot_faucet/data/GiftableToken.bin @@ -0,0 +1 @@ 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+\ No newline at end of file diff --git a/python/erc20_single_shot_faucet/data/IERC20SingleShotFaucet.abi.json b/python/erc20_single_shot_faucet/data/IERC20SingleShotFaucet.abi.json diff --git a/python/erc20_single_shot_faucet/data/IERC20SingleShotFaucetStorage.abi.json b/python/erc20_single_shot_faucet/data/IERC20SingleShotFaucetStorage.abi.json @@ -0,0 +1 @@ +[{"inputs":[],"name":"completeOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lock","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] diff --git a/python/erc20_single_shot_faucet/data/SingleShotFaucet.abi.json b/python/erc20_single_shot_faucet/data/SingleShotFaucet.abi.json @@ -0,0 +1,5 @@ +[{"inputs":[],"name":"completeOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lock","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] + +======= SingleShotFaucet.sol:SingleShotFaucet ======= +Contract JSON ABI +[{"inputs":[{"internalType":"address[]","name":"_overriders","type":"address[]"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_store","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_recipient","type":"address"},{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"NewBeneficiary","type":"event"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"giveTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"setAmount","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}] diff --git a/python/erc20_single_shot_faucet/data/SingleShotFaucet.bin b/python/erc20_single_shot_faucet/data/SingleShotFaucet.bin @@ -0,0 +1,5 @@ + + +======= SingleShotFaucet.sol:SingleShotFaucet ======= +Binary: 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 +\ No newline at end of file diff --git a/python/erc20_single_shot_faucet/data/SingleShotFaucetStorage.abi.json b/python/erc20_single_shot_faucet/data/SingleShotFaucetStorage.abi.json @@ -0,0 +1 @@ +[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"completeOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"isLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"lock","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_new_owner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"used_accounts","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}] diff --git a/python/erc20_single_shot_faucet/data/SingleShotFaucetStorage.bin b/python/erc20_single_shot_faucet/data/SingleShotFaucetStorage.bin @@ -0,0 +1 @@ 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 +\ No newline at end of file diff --git a/python/setup.cfg b/python/setup.cfg @@ -0,0 +1,40 @@ +[metadata] +name = erc20-single-shot-faucet +version = 0.0.1 +description = ERC20 token faucet that can be used once per account +author = Louis Holbrook +author_email = dev@holbrook.no +url = https://gitlab.com/nolash/simple-multisig +keywords = + ethereum +classifiers = + Programming Language :: Python :: 3 + Operating System :: OS Independent + Development Status :: 3 - Alpha + Environment :: No Input/Output (Daemon) + Intended Audience :: Developers + License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+) + Topic :: Internet + #Topic :: Blockchain :: EVM +license = GPL3 +licence_files = + LICENSE + +[options] +python_requires = >= 3.6 +packages = + erc20_approval_escrow.runnable +install_requires = + web3==5.12.2 +tests_require = + eth-tester==0.5.0b2 + py-evm==0.3.0a20 + +[options.extras_require] +testing = + eth-tester==0.5.0b2 + py-evm==0.3.0a20 + +[options.entry_points] +console_scripts = + erc20-single-shot-faucet = erc20_approval_escrow.runnable.deploy:main diff --git a/python/setup.py b/python/setup.py @@ -0,0 +1,4 @@ +from setuptools import setup + +setup( + ) diff --git a/python/tests/test_app.py b/python/tests/test_app.py @@ -0,0 +1,135 @@ +import os +import unittest +import json +import logging + +import web3 +import eth_tester +import eth_abi + +logging.basicConfig(level=logging.DEBUG) +logg = logging.getLogger() + +logging.getLogger('web3').setLevel(logging.WARNING) +logging.getLogger('eth.vm').setLevel(logging.WARNING) + +testdir = os.path.dirname(__file__) + + +class Test(unittest.TestCase): + + contract = None + + def setUp(self): + eth_params = eth_tester.backends.pyevm.main.get_default_genesis_params({ + 'gas_limit': 9000000, + }) + + # create store of used accounts + f = open(os.path.join(testdir, '../erc20_single_shot_faucet/data/ERC20SingleShotFaucetStorage.bin'), 'r') + bytecode = f.read() + f.close() + + f = open(os.path.join(testdir, '../erc20_single_shot_faucet/data/ERC20SingleShotFaucetStorage.abi.json'), 'r') + self.abi_storage = json.load(f) + f.close() + + + backend = eth_tester.PyEVMBackend(eth_params) + self.eth_tester = eth_tester.EthereumTester(backend) + provider = web3.Web3.EthereumTesterProvider(self.eth_tester) + self.w3 = web3.Web3(provider) + c = self.w3.eth.contract(abi=self.abi_storage, bytecode=bytecode) + tx_hash = c.constructor().transact({'from': self.w3.eth.accounts[0]}) + + r = self.w3.eth.getTransactionReceipt(tx_hash) + + self.address_storage = r.contractAddress + + + # create token + f = open(os.path.join(testdir, '../erc20_single_shot_faucet/data/GiftableToken.bin'), 'r') + bytecode = f.read() + f.close() + + f = open(os.path.join(testdir, '../erc20_single_shot_faucet/data/GiftableToken.abi.json'), 'r') + self.abi_token = json.load(f) + f.close() + + t = self.w3.eth.contract(abi=self.abi_token, bytecode=bytecode) + tx_hash = t.constructor('Foo Token', 'FOO', 18).transact({'from': self.w3.eth.accounts[0]}) + + r = self.w3.eth.getTransactionReceipt(tx_hash) + + self.address_token = r.contractAddress + t = self.w3.eth.contract(abi=self.abi_token, address=self.address_token) + + tx_hash = t.functions.mint(1000).transact({'from': self.w3.eth.accounts[0]}) + + + # create faucet + f = open(os.path.join(testdir, '../erc20_single_shot_faucet/data/ERC20SingleShotFaucet.bin'), 'r') + bytecode = f.read() + f.close() + + f = open(os.path.join(testdir, '../erc20_single_shot_faucet/data/ERC20SingleShotFaucet.abi.json'), 'r') + self.abi_faucet = json.load(f) + f.close() + +# f = open(os.path.join(testdir, '../erc20_single_shot_faucet/data/ERC20SingleShotFaucet.abi.json'), 'r') +# abi_storage_interface = json.load(f) +# f.close() + + c = self.w3.eth.contract(abi=self.abi_faucet, bytecode=bytecode) + tx_hash = c.constructor([ + self.w3.eth.accounts[1], + self.w3.eth.accounts[2], + ], + self.address_token, + self.address_storage, + ).transact({'from': self.w3.eth.accounts[0]}) + + r = self.w3.eth.getTransactionReceipt(tx_hash) + + self.address_faucet = r.contractAddress + c = self.w3.eth.contract(abi=self.abi_faucet, address=self.address_faucet) + + tx_hash = t.functions.transfer(self.address_faucet, 100).transact({'from': self.w3.eth.accounts[0]}) + + + def tearDown(self): + pass + + + def test_basic(self): + c = self.w3.eth.contract(abi=self.abi_faucet, address=self.address_faucet) + self.assertTrue(c.functions.setAmount(10).transact({'from': self.w3.eth.accounts[0]})) + self.assertTrue(c.functions.setAmount(20).transact({'from': self.w3.eth.accounts[1]})) + with self.assertRaises(Exception): + c.functions.setAmount(30).transact({'from': self.w3.eth.accounts[3]}) + + + def test_giveto(self): + c = self.w3.eth.contract(abi=self.abi_faucet, address=self.address_faucet) + c.functions.setAmount(10).transact({'from': self.w3.eth.accounts[2]}) + c.functions.giveTo(self.w3.eth.accounts[3]).transact({'from': self.w3.eth.accounts[1]}) + + t = self.w3.eth.contract(abi=self.abi_token, address=self.address_token) + self.assertEqual(t.functions.balanceOf(self.w3.eth.accounts[3]).call(), 10); + self.assertEqual(t.functions.balanceOf(self.address_faucet).call(), 90); + + with self.assertRaises(Exception): + c.functions.giveTo(self.w3.eth.accounts[3]).transact({'from': self.w3.eth.accounts[1]}) + + c.functions.setAmount(50).transact({'from': self.w3.eth.accounts[1]}) + c.functions.giveTo(self.w3.eth.accounts[4]).transact({'from': self.w3.eth.accounts[1]}) + self.assertEqual(t.functions.balanceOf(self.w3.eth.accounts[4]).call(), 50); + self.assertEqual(t.functions.balanceOf(self.address_faucet).call(), 40); + + with self.assertRaises(Exception): + c.functions.giveTo(self.w3.eth.accounts[5]).transact({'from': self.w3.eth.accounts[1]}) + self.assertEqual(t.functions.balanceOf(self.w3.eth.accounts[5]).call(), 0); + self.assertEqual(t.functions.balanceOf(self.address_faucet).call(), 40); + +if __name__ == '__main__': + unittest.main() diff --git a/solidity/ERC20SingleShotFaucet.abi.json b/solidity/ERC20SingleShotFaucet.abi.json @@ -0,0 +1 @@ +[{"inputs":[{"internalType":"address[]","name":"_overriders","type":"address[]"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_store","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_recipient","type":"address"},{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"FaucetFail","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_recipient","type":"address"},{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"FaucetUsed","type":"event"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"giveTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"setAmount","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}] 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+\ No newline at end of file diff --git a/solidity/ERC20SingleShotFaucet.sol b/solidity/ERC20SingleShotFaucet.sol @@ -0,0 +1,50 @@ +pragma solidity >=0.6.21; + +// SPDX-License-Identifier: GPL-3.0-or-later + +contract SingleShotFaucet { + + address owner; + mapping( address => bool) overriders; + uint256 public amount; + address public token; + address store; + + event FaucetUsed(address indexed _recipient, address indexed _token, uint256 _value); + event FaucetFail(address indexed _recipient, address indexed _token, uint256 _value); + + constructor(address[] memory _overriders, address _token, address _store) public { + owner = msg.sender; + overriders[msg.sender] = true; + for (uint i = 0; i < _overriders.length; i++) { + overriders[_overriders[i]] = true; + } + store = _store; + token = _token; + } + + function setAmount(uint256 _amount) public returns (bool) { + require(overriders[msg.sender]); + amount = _amount; + return true; + } + + function giveTo(address _recipient) public returns (bool) { + require(!overriders[_recipient], 'ERR_ACCESS'); + (bool _ok, bytes memory _result) = store.call(abi.encodeWithSignature("isLocked(address)", _recipient)); + + require(_result[31] == 0, 'ERR_ACCOUNT_USED'); // less conversion than: // require(abi.decode(_result, (bool)) == false, 'ERR_ACCOUNT_USED'); + + (_ok, _result) = store.call(abi.encodeWithSignature("lock(address)", _recipient)); + require(_ok, 'ERR_MARK_FAIL'); + + (_ok, _result) = token.call(abi.encodeWithSignature("transfer(address,uint256)", _recipient, amount)); + if (!_ok) { + emit FaucetFail(_recipient, token, amount); + revert('ERR_TRANSFER'); + } + + emit FaucetUsed(_recipient, token, amount); + return true; + } +} diff --git a/solidity/ERC20SingleShotFaucetStorage.abi.json b/solidity/ERC20SingleShotFaucetStorage.abi.json @@ -0,0 +1 @@ +[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"completeOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"isLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"lock","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_new_owner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"used_accounts","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}] diff --git a/solidity/ERC20SingleShotFaucetStorage.bin b/solidity/ERC20SingleShotFaucetStorage.bin @@ -0,0 +1 @@ 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+\ No newline at end of file diff --git a/solidity/ERC20SingleShotFaucetStorage.sol b/solidity/ERC20SingleShotFaucetStorage.sol @@ -0,0 +1,35 @@ +pragma solidity >=0.6.21; + +// SPDX-License-Identifier: GPL-3.0-or-later + +contract SingleShotFaucetStorage { + address owner; + address new_owner; + + mapping (address => bool) public used_accounts; + + constructor() public { + owner = msg.sender; + } + + function transferOwnership(address _new_owner) external returns (bool) { + require(msg.sender == owner); + new_owner = _new_owner; + return true; + } + + function completeOwnership() external returns (bool) { + require(msg.sender == new_owner); + owner = msg.sender; + return true; + } + + function lock(address _account) external returns (bool) { + used_accounts[_account] = true; + return true; + } + + function isLocked(address _account) external view returns (bool) { + return used_accounts[_account]; + } +} diff --git a/solidity/IERC20SingleShotFaucet.abi.json b/solidity/IERC20SingleShotFaucet.abi.json diff --git a/solidity/IERC20SingleShotFaucetStorage.abi.json b/solidity/IERC20SingleShotFaucetStorage.abi.json @@ -0,0 +1 @@ +[{"inputs":[],"name":"completeOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lock","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] diff --git a/solidity/IERC20SingleShotFaucetStorage.sol b/solidity/IERC20SingleShotFaucetStorage.sol @@ -0,0 +1,10 @@ +pragma solidity >=0.6.21; + +// SPDX-License-Identifier: GPL-3.0-or-later + +interface ISingleShotFaucetStorage { + function transferOwnership(address) external returns(bool); + function completeOwnership() external returns(bool); + function lock(address) external returns(bool); + function isLocked(address) external returns(bool); +} diff --git a/solidity/Makefile b/solidity/Makefile @@ -0,0 +1,12 @@ +all: + solc --bin ERC20SingleShotFaucetStorage.sol | awk 'NR>3' > ERC20SingleShotFaucetStorage.bin + truncate -s -1 ERC20SingleShotFaucetStorage.bin + solc --abi ERC20SingleShotFaucetStorage.sol | awk 'NR>3' > ERC20SingleShotFaucetStorage.abi.json + solc --bin ERC20SingleShotFaucet.sol | awk 'NR>3' > ERC20SingleShotFaucet.bin + truncate -s -1 ERC20SingleShotFaucet.bin + solc --abi ERC20SingleShotFaucet.sol | awk 'NR==4' > ERC20SingleShotFaucet.abi.json + solc --abi IERC20SingleShotFaucetStorage.sol | awk 'NR>3' > IERC20SingleShotFaucetStorage.abi.json + +install: all + cp -v *{json,bin} ../python/erc20_single_shot_faucet/data/ +