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lntest: do not do IO under mutex in fee_service #9984

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Jun 24, 2025
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lntest: do not do IO under mutex in fee_service #9984

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3 changes: 1 addition & 2 deletions lntest/fee_service.go
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Original file line number Diff line number Diff line change
Expand Up @@ -115,14 +115,13 @@ func (f *FeeService) Start() error {
// handleRequest handles a client request for fee estimates.
func (f *FeeService) handleRequest(w http.ResponseWriter, _ *http.Request) {
f.lock.Lock()
defer f.lock.Unlock()

bytes, err := json.Marshal(
chainfee.WebAPIResponse{
FeeByBlockTarget: f.feeRateMap,
MinRelayFeerate: f.minRelayFeerate,
},
)
f.lock.Unlock()
require.NoErrorf(f, err, "cannot serialize estimates")

_, err = io.WriteString(w, string(bytes))
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