faucet: Use checked math in request limiter
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@ -87,7 +87,10 @@ impl Faucet {
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}
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pub fn check_time_request_limit(&mut self, request_amount: u64) -> bool {
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(self.request_current + request_amount) <= self.per_time_cap
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self.request_current
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.checked_add(request_amount)
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.map(|s| s <= self.per_time_cap)
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.unwrap_or(false)
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}
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pub fn clear_request_count(&mut self) {
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@ -122,7 +125,7 @@ impl Faucet {
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}
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}
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if self.check_time_request_limit(lamports) {
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self.request_current += lamports;
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self.request_current = self.request_current.saturating_add(lamports);
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datapoint_info!(
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"faucet-airdrop",
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("request_amount", lamports, i64),
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