rln-contract/test/Rln.t.sol

229 lines
9.8 KiB
Solidity

// SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.15;
import "../contracts/PoseidonHasher.sol";
import "../contracts/Rln.sol";
import "./Verifier.sol";
import "forge-std/Test.sol";
import "forge-std/StdCheats.sol";
import "forge-std/console.sol";
contract RlnTest is Test {
using stdStorage for StdStorage;
Rln public rln;
PoseidonHasher public poseidon;
TrueVerifier public trueVerifier;
FalseVerifier public falseVerifier;
uint256 public constant MEMBERSHIP_DEPOSIT = 1000000000000000;
uint256 public constant DEPTH = 20;
uint256 public constant SET_SIZE = 1048576;
uint256[8] public zeroedProof = [0, 0, 0, 0, 0, 0, 0, 0];
/// @dev Setup the testing environment.
function setUp() public {
poseidon = new PoseidonHasher();
trueVerifier = new TrueVerifier();
falseVerifier = new FalseVerifier();
rln = new Rln(MEMBERSHIP_DEPOSIT, DEPTH, address(poseidon), address(trueVerifier));
}
/// @dev Ensure that you can hash a value.
function test__Constants() public {
assertEq(rln.MEMBERSHIP_DEPOSIT(), MEMBERSHIP_DEPOSIT);
assertEq(rln.DEPTH(), DEPTH);
assertEq(rln.SET_SIZE(), SET_SIZE);
assertEq(rln.deployedBlockNumber(), 1);
}
function test__ValidRegistration(uint256 idCommitment) public {
vm.assume(rln.isValidCommitment(idCommitment));
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
// assertEq(rln.memberExists(idCommitment), true);
// assertEq(rln.members(idCommitment), 0);
}
function test__InvalidRegistration__DuplicateCommitment(uint256 idCommitment) public {
vm.assume(rln.isValidCommitment(idCommitment));
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
assertEq(rln.memberExists(idCommitment), true);
assertEq(rln.members(idCommitment), 0);
vm.expectRevert(DuplicateIdCommitment.selector);
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
}
function test__InvalidRegistration__InvalidIdCommitment(uint256 idCommitment) public {
vm.assume(!rln.isValidCommitment(idCommitment));
vm.expectRevert(abi.encodeWithSelector(InvalidIdCommitment.selector, idCommitment));
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
}
function test__InvalidRegistration__InsufficientDeposit(uint256 idCommitment) public {
vm.assume(rln.isValidCommitment(idCommitment));
uint256 badDepositAmount = MEMBERSHIP_DEPOSIT - 1;
vm.expectRevert(abi.encodeWithSelector(InsufficientDeposit.selector, MEMBERSHIP_DEPOSIT, badDepositAmount));
rln.register{value: badDepositAmount}(idCommitment);
}
function test__InvalidRegistration__FullSet() public {
Rln tempRln = new Rln(
MEMBERSHIP_DEPOSIT,
2,
address(rln.poseidonHasher()),
address(rln.verifier())
);
uint256 setSize = tempRln.SET_SIZE();
for (uint256 i = 1; i <= setSize; i++) {
tempRln.register{value: MEMBERSHIP_DEPOSIT}(i);
}
assertEq(tempRln.idCommitmentIndex(), 4);
vm.expectRevert(FullTree.selector);
tempRln.register{value: MEMBERSHIP_DEPOSIT}(setSize + 1);
}
function test__ValidSlash(uint256 idCommitment, address payable to) public {
// avoid precompiles, etc
// TODO: wrap both of these in a single function
assumePayable(to);
assumeNotPrecompile(to);
vm.assume(to != address(0));
vm.assume(rln.isValidCommitment(idCommitment));
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
uint256 balanceBefore = to.balance;
rln.slash(idCommitment, to, zeroedProof);
assertEq(rln.withdrawalBalance(to), MEMBERSHIP_DEPOSIT);
vm.prank(to);
rln.withdraw();
assertEq(rln.stakedAmounts(idCommitment), 0);
assertEq(rln.members(idCommitment), 0);
assertEq(rln.withdrawalBalance(to), 0);
assertEq(to.balance, balanceBefore + MEMBERSHIP_DEPOSIT);
}
function test__InvalidSlash__ToZeroAddress() public {
uint256 idCommitment = 9014214495641488759237505126948346942972912379615652741039992445865937985820;
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
vm.expectRevert(abi.encodeWithSelector(InvalidReceiverAddress.selector, address(0)));
rln.slash(idCommitment, payable(address(0)), zeroedProof);
}
function test__InvalidSlash__ToRlnAddress() public {
uint256 idCommitment = 19014214495641488759237505126948346942972912379615652741039992445865937985820;
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
vm.expectRevert(abi.encodeWithSelector(InvalidReceiverAddress.selector, address(rln)));
rln.slash(idCommitment, payable(address(rln)), zeroedProof);
}
function test__InvalidSlash__MemberNotRegistered(uint256 idCommitment) public {
vm.assume(rln.isValidCommitment(idCommitment));
vm.expectRevert(abi.encodeWithSelector(MemberNotRegistered.selector, idCommitment));
rln.slash(idCommitment, payable(address(this)), zeroedProof);
}
// this shouldn't be possible, but just in case
function test__InvalidSlash__NoStake(uint256 idCommitment, address payable to) public {
// avoid precompiles, etc
assumePayable(to);
assumeNotPrecompile(to);
vm.assume(to != address(0));
vm.assume(rln.isValidCommitment(idCommitment));
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
rln.slash(idCommitment, to, zeroedProof);
assertEq(rln.stakedAmounts(idCommitment), 0);
assertEq(rln.members(idCommitment), 0);
// manually set members[idCommitment] to true using vm
stdstore.target(address(rln)).sig("memberExists(uint256)").with_key(idCommitment).depth(0).checked_write(true);
vm.expectRevert(abi.encodeWithSelector(MemberHasNoStake.selector, idCommitment));
rln.slash(idCommitment, to, zeroedProof);
}
function test__InvalidSlash__InvalidProof() public {
uint256 idCommitment = 19014214495641488759237505126948346942972912379615652741039992445865937985820;
Rln tempRln = new Rln(
MEMBERSHIP_DEPOSIT,
2,
address(rln.poseidonHasher()),
address(falseVerifier)
);
tempRln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
vm.expectRevert(InvalidProof.selector);
tempRln.slash(idCommitment, payable(address(this)), zeroedProof);
}
function test__InvalidWithdraw__InsufficientWithdrawalBalance() public {
vm.expectRevert(InsufficientWithdrawalBalance.selector);
rln.withdraw();
}
function test__InvalidWithdraw__InsufficientContractBalance() public {
uint256 idCommitment = 19014214495641488759237505126948346942972912379615652741039992445865937985820;
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
rln.slash(idCommitment, payable(address(this)), zeroedProof);
assertEq(rln.stakedAmounts(idCommitment), 0);
assertEq(rln.members(idCommitment), 0);
vm.deal(address(rln), 0);
vm.expectRevert(InsufficientContractBalance.selector);
rln.withdraw();
}
function test__ValidWithdraw(address payable to) public {
assumePayable(to);
assumeNotPrecompile(to);
vm.assume(to != address(0));
uint256 idCommitment = 19014214495641488759237505126948346942972912379615652741039992445865937985820;
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitment);
assertEq(rln.stakedAmounts(idCommitment), MEMBERSHIP_DEPOSIT);
rln.slash(idCommitment, to, zeroedProof);
assertEq(rln.stakedAmounts(idCommitment), 0);
assertEq(rln.members(idCommitment), 0);
assertEq(rln.memberExists(idCommitment), false);
vm.prank(to);
rln.withdraw();
assertEq(rln.withdrawalBalance(to), 0);
}
function test__root() public {
uint256[] memory idCommitments = new uint256[](10);
idCommitments[0] = 19143711682366759980911001457853255795836264632723844153354310748778748156460;
idCommitments[1] = 16984765328852711772291441487727981184905800779020079168989152080434188364678;
idCommitments[2] = 10972315136095845343447418815139813428649316683283020632475608655814722712541;
idCommitments[3] = 2709631781045191277266130708832884002577134582503944059038971337978087532997;
idCommitments[4] = 8255654132980945447086418574686169461187805238257784695584517016324877809505;
idCommitments[5] = 20291701150251695209910387548168084091751201746043024067531503187703236470983;
idCommitments[6] = 11817872986033932471261438074921403500882957864164537515599299873089437746577;
idCommitments[7] = 18475838919635792169148272767721284591038756730004222133003018558598315558783;
idCommitments[8] = 10612118277928165031660389522171737855229037400929675201853245490188277695983;
idCommitments[9] = 17318633845296358766427229711888486415250435256643711009388405482885762601797;
vm.pauseGasMetering();
for (uint256 i = 0; i < idCommitments.length; i++) {
rln.register{value: MEMBERSHIP_DEPOSIT}(idCommitments[i]);
}
vm.resumeGasMetering();
assertEq(rln.root(), 5210724218081541877101688952118136930297124697603087561558225712176057209122);
}
}