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Add nextbalance, update erc165 ids

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lash 2023-03-25 14:28:38 +00:00
parent 2c77976df8
commit 733a9f0e9f
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
8 changed files with 77 additions and 19 deletions
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python/eth_faucet/data/EthFaucet.bin
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python/eth_faucet/data/EthFaucet.json
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python/eth_faucet/data/EthFaucet.metadata.json
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python/eth_faucet/data/PeriodSimple.bin
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python/eth_faucet/data/PeriodSimple.metadata.json
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2
python/setup.cfg
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@ -1,6 +1,6 @@
[metadata]
name = eth-faucet
version = 0.3.2
version = 0.3.3
description = Gas token gifter with controls from time intervals, amounts and access.
author = Louis Holbrook
author_email = dev@holbrook.no

77
solidity/EthFaucet.sol
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@ -1,29 +1,42 @@
pragma solidity >0.8.0;
pragma solidity >=0.8.0;
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-License-Identifier: AGPL-3.0-or-later
contract EthFacuet {
contract EthFaucet {
// Implements ERC173
address public owner;
address public registry;
address public periodChecker;
address registry;
address periodChecker;
// Implements Faucet
address constant public token = address(0);
// Implements Seal
uint256 public sealState;
uint256 amount;
uint8 constant REGISTRY_STATE = 1;
uint8 constant PERIODCHECKER_STATE = 2;
uint8 constant VALUE_STATE = 4;
// Implements Seal
uint256 constant public maxSealState = 7;
// Implements Faucet
event Give(address indexed _recipient, address indexed _token, uint256 _amount);
// Implements Faucet
event FaucetAmountChange(uint256 _amount);
// Implements Seal
event SealStateChange(uint256 indexed _sealState, address _registry, address _periodChecker);
event ImNotGassy();
constructor() {
owner = msg.sender;
}
// Set the given seal bits.
// Reverts if any bits are already set, if bit value is out of bounds.
function seal(uint256 _state) public returns(uint256) {
require(_state < 8, 'ERR_INVALID_STATE');
require(_state & sealState == 0, 'ERR_ALREADY_LOCKED');
@ -32,6 +45,8 @@ contract EthFacuet {
return uint256(sealState);
}
// Change faucet amount.
// Reverts if VALUE_STATE seal is set.
function setAmount(uint256 _v) public returns(uint256) {
require(msg.sender == owner, 'ERR_NOT_OWNER');
require(sealState & VALUE_STATE == 0, 'ERR_SEALED');
@ -40,6 +55,8 @@ contract EthFacuet {
return amount;
}
// Set period checker contract backend.
// Reverts if PERIODCHECKER_STATE seal is set
function setPeriodChecker(address _checker) public {
require(msg.sender == owner, 'ERR_NOT_OWNER');
require(sealState & PERIODCHECKER_STATE == 0, 'ERR_SEALED');
@ -47,6 +64,8 @@ contract EthFacuet {
emit SealStateChange(sealState, registry, periodChecker);
}
// Set accounts index (Access Control List - ACL) backend.
// Reverts if REGISTRY_STATE seal is set
function setRegistry(address _registry) public {
require(msg.sender == owner, 'ERR_NOT_OWNER');
require(sealState & REGISTRY_STATE == 0, 'ERR_SEALED');
@ -54,6 +73,8 @@ contract EthFacuet {
emit SealStateChange(sealState, registry, periodChecker);
}
// Return true if period checker backend allows usage of the faucet.
// Will always return true if period checker contract address has not been set.
function checkPeriod(address _recipient) private returns(bool) {
bool _ok;
bytes memory _result;
@ -69,6 +90,8 @@ contract EthFacuet {
return _result[31] == 0x01;
}
// Return true if recipient has been added to the ACL.
// Will always return true if ACL contract address has not been set.
function checkRegistry(address _recipient) private returns(bool) {
bool _ok;
bytes memory _result;
@ -84,10 +107,13 @@ contract EthFacuet {
return _result[31] == 0x01;
}
// Return false if contract does not have sufficient gas token balance to cover a single use.
// Used as backend for check.
function checkBalance() private view returns(bool) {
return amount <= address(this).balance;
}
// Check if a faucet usage attempt would succeed for the given recipient in the current contract state.
function check(address _recipient) public returns(bool) {
if (!checkPeriod(_recipient)) {
return false;
@ -98,6 +124,7 @@ contract EthFacuet {
return checkBalance();
}
// Execute a single faucet usage for recipient.
function checkAndPoke(address _recipient) private returns(bool){
bool _ok;
bytes memory _result;
@ -124,6 +151,7 @@ contract EthFacuet {
return true;
}
// Implements Faucet
function gimme() public returns(uint256) {
require(checkAndPoke(msg.sender));
payable(msg.sender).transfer(amount);
@ -131,6 +159,7 @@ contract EthFacuet {
return amount;
}
// Implements Faucet
function giveTo(address _recipient) public returns(uint256) {
require(checkAndPoke(_recipient));
payable(_recipient).transfer(amount);
@ -138,6 +167,7 @@ contract EthFacuet {
return amount;
}
// Implements Faucet
function nextTime(address _subject) public returns(uint256) {
bool _ok;
bytes memory _result;
@ -149,14 +179,41 @@ contract EthFacuet {
return uint256(bytes32(_result));
}
// Implements Faucet
function nextBalance(address _subject) public returns(uint256) {
bool _ok;
bytes memory _result;
(_ok, _result) = periodChecker.call(abi.encodeWithSignature("balanceThreshold()", _subject));
if (!_ok) {
revert('ERR_PERIOD_BACKEND_ERROR');
}
return uint256(bytes32(_result));
}
// Implements Faucet
function tokenAmount() public view returns(uint256) {
return amount;
}
function token() public pure returns(address) {
return address(0);
}
receive () payable external {
}
// Implements ERC165
function supportsInterface(bytes4 _sum) public pure returns (bool) {
if (_sum == 0x01ffc9a7) { // ERC165
return true;
}
if (_sum == 0x9493f8b2) { // ERC173
return true;
}
if (_sum == 0x1a3ac634) { // Faucet
return true;
}
if (_sum == 0x0d7491f8) { // Seal
return true;
}
return false;
}
}

5
solidity/PeriodSimple.sol
View File

@ -1,6 +1,6 @@
pragma solidity >0.8.0;
pragma solidity >=0.8.0;
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-License-Identifier: AGPL-3.0-or-later
contract PeriodSimple {
@ -12,6 +12,7 @@ contract PeriodSimple {
event PeriodChange(uint256 _value);
event BalanceThresholdChange(uint256 _value);
constructor() {
owner = msg.sender;
poker = owner;