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test: disable rate limit #427

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merged 4 commits into from
Oct 11, 2024
Merged

test: disable rate limit #427

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db0364f
test(ccip-steward): disable rate limit
DhairyaSethi Oct 11, 2024
96e96f2
test: fix revert upd rate limit to zero
DhairyaSethi Oct 11, 2024
a194c76
test: fix change{enabled,disabled}rateLimit
DhairyaSethi Oct 11, 2024
29ccd61
test: document rate limit update revert code path, rename test
DhairyaSethi Oct 11, 2024
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184 changes: 180 additions & 4 deletions src/test/TestGhoCcipSteward.t.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -240,16 +240,186 @@ contract TestGhoCcipSteward is TestGhoBase {
rate: 0
});
vm.prank(RISK_COUNCIL);
vm.expectRevert();
vm.expectRevert(
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abi.encodeWithSelector(
RateLimiter.InvalidRatelimitRate.selector,
RateLimiter.Config({isEnabled: true, capacity: 0, rate: 0})
)
);
GHO_CCIP_STEWARD.updateRateLimit(
remoteChainSelector,
invalidConfig.isEnabled,
invalidConfig.capacity,
invalidConfig.rate,
rateLimitConfig.isEnabled,
rateLimitConfig.capacity,
rateLimitConfig.rate
invalidConfig.isEnabled,
invalidConfig.capacity,
invalidConfig.rate
);
}

function testChangeEnabledRateLimit() public {
RateLimiter.TokenBucket memory outboundConfig = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentOutboundRateLimiterState(remoteChainSelector);
RateLimiter.TokenBucket memory inboundConfig = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentInboundRateLimiterState(remoteChainSelector);

// assert both inbound & outbound rate limiters are enabled
assertTrue(outboundConfig.isEnabled);
assertGt(outboundConfig.capacity, 0);
assertGt(outboundConfig.rate, 0);

assertTrue(inboundConfig.isEnabled);
assertGt(inboundConfig.capacity, 0);
assertGt(inboundConfig.rate, 0);

RateLimiter.Config memory disableLimitConfig = RateLimiter.Config({
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isEnabled: false,
capacity: 0,
rate: 0
});

// disable both inbound & outbound config
vm.prank(RISK_COUNCIL);
GHO_CCIP_STEWARD.updateRateLimit(
remoteChainSelector,
disableLimitConfig.isEnabled,
disableLimitConfig.capacity,
disableLimitConfig.rate,
disableLimitConfig.isEnabled,
disableLimitConfig.capacity,
disableLimitConfig.rate
);

outboundConfig = MockUpgradeableLockReleaseTokenPool(GHO_TOKEN_POOL)
.getCurrentOutboundRateLimiterState(remoteChainSelector);
inboundConfig = MockUpgradeableLockReleaseTokenPool(GHO_TOKEN_POOL)
.getCurrentInboundRateLimiterState(remoteChainSelector);

assertFalse(outboundConfig.isEnabled);
assertEq(outboundConfig.capacity, 0);
assertEq(outboundConfig.rate, 0);

assertFalse(inboundConfig.isEnabled);
assertEq(inboundConfig.capacity, 0);
assertEq(inboundConfig.rate, 0);
}

function testRevertChangeDisabledRateLimit() public {
RateLimiter.TokenBucket memory outboundConfig = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentOutboundRateLimiterState(remoteChainSelector);
RateLimiter.TokenBucket memory inboundConfig = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentInboundRateLimiterState(remoteChainSelector);

RateLimiter.Config memory disableLimitConfig = RateLimiter.Config({
isEnabled: false,
capacity: 0,
rate: 0
});

// disable both inbound & outbound config
vm.prank(RISK_COUNCIL);
GHO_CCIP_STEWARD.updateRateLimit(
remoteChainSelector,
disableLimitConfig.isEnabled,
disableLimitConfig.capacity,
disableLimitConfig.rate,
disableLimitConfig.isEnabled,
disableLimitConfig.capacity,
disableLimitConfig.rate
);

skip(GHO_CCIP_STEWARD.MINIMUM_DELAY() + 1);

// steward is not allowed to re-enable rate limit
vm.expectRevert('INVALID_RATE_LIMIT_UPDATE');
vm.prank(RISK_COUNCIL);
GHO_CCIP_STEWARD.updateRateLimit(
remoteChainSelector,
outboundConfig.isEnabled,
outboundConfig.capacity,
outboundConfig.rate,
inboundConfig.isEnabled,
inboundConfig.capacity,
inboundConfig.rate
);

// risk admin/DAO can re-enable rate limit on token pool
vm.prank(GHO_TOKEN_POOL.owner());
GHO_TOKEN_POOL.setChainRateLimiterConfig(
remoteChainSelector,
_castTokenBucketToConfig(outboundConfig),
_castTokenBucketToConfig(inboundConfig)
);

RateLimiter.TokenBucket memory outboundConfigNew = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentOutboundRateLimiterState(remoteChainSelector);
RateLimiter.TokenBucket memory inboundConfigNew = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentInboundRateLimiterState(remoteChainSelector);

assertTrue(outboundConfigNew.isEnabled);
assertEq(outboundConfigNew.capacity, outboundConfig.capacity);
assertEq(outboundConfigNew.rate, outboundConfig.rate);

assertTrue(inboundConfigNew.isEnabled);
assertEq(inboundConfigNew.capacity, inboundConfig.capacity);
assertEq(inboundConfigNew.rate, inboundConfig.rate);
}

function testChangeEnabledRateLimitOnlyOneSide() public {
RateLimiter.TokenBucket memory outboundConfig = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentOutboundRateLimiterState(remoteChainSelector);
RateLimiter.TokenBucket memory inboundConfig = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentInboundRateLimiterState(remoteChainSelector);

assertTrue(outboundConfig.isEnabled);
assertGt(outboundConfig.capacity, 0);
assertGt(outboundConfig.rate, 0);

assertTrue(inboundConfig.isEnabled);
assertGt(inboundConfig.capacity, 0);
assertGt(inboundConfig.rate, 0);

RateLimiter.Config memory disableLimitConfig = RateLimiter.Config({
isEnabled: false,
capacity: 0,
rate: 0
});

// disable only outbound config
vm.prank(RISK_COUNCIL);
GHO_CCIP_STEWARD.updateRateLimit(
remoteChainSelector,
disableLimitConfig.isEnabled,
disableLimitConfig.capacity,
disableLimitConfig.rate,
// preserve inboundConfig
inboundConfig.isEnabled,
inboundConfig.capacity,
inboundConfig.rate
);

RateLimiter.TokenBucket memory outboundConfigNew = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentOutboundRateLimiterState(remoteChainSelector);
RateLimiter.TokenBucket memory inboundConfigNew = MockUpgradeableLockReleaseTokenPool(
GHO_TOKEN_POOL
).getCurrentInboundRateLimiterState(remoteChainSelector);

assertFalse(outboundConfigNew.isEnabled);
assertEq(outboundConfigNew.capacity, 0);
assertEq(outboundConfigNew.rate, 0);

assertTrue(inboundConfigNew.isEnabled);
assertEq(inboundConfigNew.capacity, inboundConfig.capacity);
assertEq(inboundConfigNew.rate, inboundConfig.rate);
}

function testRevertUpdateRateLimitRateGreaterThanCapacity() public {
Expand Down Expand Up @@ -305,4 +475,10 @@ contract TestGhoCcipSteward is TestGhoBase {
inboundRate
);
}

function _castTokenBucketToConfig(
RateLimiter.TokenBucket memory arg
) private view returns (RateLimiter.Config memory) {
return RateLimiter.Config({isEnabled: arg.isEnabled, capacity: arg.capacity, rate: arg.rate});
}
}
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