commit 733a9f0e9f7ce300d69ca328600516ea6cc45250
parent 2c77976df8b165cf74e901ef469115ede4a560c9
Author: lash <dev@holbrook.no>
Date: Sat, 25 Mar 2023 14:28:38 +0000
Add nextbalance, update erc165 ids
Diffstat:
8 files changed, 78 insertions(+), 20 deletions(-)
diff --git a/python/eth_faucet/data/EthFaucet.bin b/python/eth_faucet/data/EthFaucet.bin
@@ -1 +1 @@
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diff --git a/python/eth_faucet/data/EthFaucet.json b/python/eth_faucet/data/EthFaucet.json
@@ -1 +1 @@
-[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"FaucetAmountChange","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":"_amount","type":"uint256"}],"name":"Give","type":"event"},{"anonymous":false,"inputs":[],"name":"ImNotGassy","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_sealState","type":"uint256"},{"indexed":false,"internalType":"address","name":"_registry","type":"address"},{"indexed":false,"internalType":"address","name":"_periodChecker","type":"address"}],"name":"SealStateChange","type":"event"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"check","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"gimme","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"giveTo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maxSealState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"nextTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"periodChecker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","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":"_v","type":"uint256"}],"name":"setAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_checker","type":"address"}],"name":"setPeriodChecker","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_registry","type":"address"}],"name":"setRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"tokenAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
+[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"FaucetAmountChange","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":"_amount","type":"uint256"}],"name":"Give","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_sealState","type":"uint256"},{"indexed":false,"internalType":"address","name":"_registry","type":"address"},{"indexed":false,"internalType":"address","name":"_periodChecker","type":"address"}],"name":"SealStateChange","type":"event"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"check","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"gimme","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_recipient","type":"address"}],"name":"giveTo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maxSealState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"nextBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"nextTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","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":"_v","type":"uint256"}],"name":"setAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_checker","type":"address"}],"name":"setPeriodChecker","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_registry","type":"address"}],"name":"setRegistry","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":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
diff --git a/python/eth_faucet/data/EthFaucet.metadata.json b/python/eth_faucet/data/EthFaucet.metadata.json
@@ -1 +1 @@
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diff --git a/python/eth_faucet/data/PeriodSimple.bin b/python/eth_faucet/data/PeriodSimple.bin
@@ -1 +1 @@
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diff --git a/python/eth_faucet/data/PeriodSimple.metadata.json b/python/eth_faucet/data/PeriodSimple.metadata.json
@@ -1 +1 @@
-{"compiler":{"version":"0.8.18+commit.87f61d96"},"language":"Solidity","output":{"abi":[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"BalanceThresholdChange","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"PeriodChange","type":"event"},{"inputs":[],"name":"balanceThreshold","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"check","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lastUsed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"next","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"period","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"poke","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"poker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_threshold","type":"uint256"}],"name":"setBalanceThreshold","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_period","type":"uint256"}],"name":"setPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_poker","type":"address"}],"name":"setPoker","outputs":[],"stateMutability":"nonpayable","type":"function"}],"devdoc":{"kind":"dev","methods":{},"version":1},"userdoc":{"kind":"user","methods":{},"version":1}},"settings":{"compilationTarget":{"PeriodSimple.sol":"PeriodSimple"},"evmVersion":"byzantium","libraries":{},"metadata":{"bytecodeHash":"ipfs"},"optimizer":{"enabled":false,"runs":200},"remappings":[]},"sources":{"PeriodSimple.sol":{"keccak256":"0x45faa9b0307c14cd87913aa6719092b693d47962285f659d1d01680ee9820527","license":"GPL-3.0-or-later","urls":["bzz-raw://29186cc92b9f6324e2043abe9ac74787866992c00ffeb0e3fc81d345d8c04ed1","dweb:/ipfs/QmXJaGaWBBFbdyQWaAicjXN6aC2w5Yvr97kXVVimHWAN7i"]}},"version":1}
+{"compiler":{"version":"0.8.18+commit.87f61d96"},"language":"Solidity","output":{"abi":[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"BalanceThresholdChange","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"PeriodChange","type":"event"},{"inputs":[],"name":"balanceThreshold","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"check","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lastUsed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"next","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"period","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_subject","type":"address"}],"name":"poke","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"poker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_threshold","type":"uint256"}],"name":"setBalanceThreshold","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_period","type":"uint256"}],"name":"setPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_poker","type":"address"}],"name":"setPoker","outputs":[],"stateMutability":"nonpayable","type":"function"}],"devdoc":{"kind":"dev","methods":{},"version":1},"userdoc":{"kind":"user","methods":{},"version":1}},"settings":{"compilationTarget":{"PeriodSimple.sol":"PeriodSimple"},"evmVersion":"byzantium","libraries":{},"metadata":{"bytecodeHash":"ipfs"},"optimizer":{"enabled":false,"runs":200},"remappings":[]},"sources":{"PeriodSimple.sol":{"keccak256":"0xcf2111e332486f9179cdcd0c1acd16f1e0629f5a2b99edc12acfbd68dce65d67","license":"AGPL-3.0-or-later","urls":["bzz-raw://207648e1e831cd867c1fb9630aab499bed2cbd423b058825a31ae71061dc0a1b","dweb:/ipfs/Qmc5WdJo3MKYmEuc7SfVpXiEaKeTYfGFDA4fnwYPa5N2h9"]}},"version":1}
diff --git a/python/setup.cfg b/python/setup.cfg
@@ -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
diff --git a/solidity/EthFaucet.sol b/solidity/EthFaucet.sol
@@ -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;
@@ -97,7 +123,8 @@ 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 {
}
- 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;
}
}
diff --git a/solidity/PeriodSimple.sol b/solidity/PeriodSimple.sol
@@ -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;
