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lntest: do not do IO under mutex in fee_service

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If HTTP response is consumed slowly, this might block other HTTP requests to
the fee service, because the mutex is held.
This commit is contained in:
Boris Nagaev
2025-06-24 00:44:45 -03:00
parent 45c15646c6
commit 61b3670113
1 changed files with 1 additions and 2 deletions
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3
lntest/fee_service.go
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@ -115,14 +115,13 @@ func (f *FeeService) Start() error {
// handleRequest handles a client request for fee estimates. // handleRequest handles a client request for fee estimates.
func (f *FeeService) handleRequest(w http.ResponseWriter, _ *http.Request) { func (f *FeeService) handleRequest(w http.ResponseWriter, _ *http.Request) {
f.lock.Lock() f.lock.Lock()
defer f.lock.Unlock()
bytes, err := json.Marshal( bytes, err := json.Marshal(
chainfee.WebAPIResponse{ chainfee.WebAPIResponse{
FeeByBlockTarget: f.feeRateMap, FeeByBlockTarget: f.feeRateMap,
MinRelayFeerate: f.minRelayFeerate, MinRelayFeerate: f.minRelayFeerate,
}, },
) )
f.lock.Unlock()
require.NoErrorf(f, err, "cannot serialize estimates") require.NoErrorf(f, err, "cannot serialize estimates")
_, err = io.WriteString(w, string(bytes)) _, err = io.WriteString(w, string(bytes))