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cmd/faucet: add Rlock to protect f.reqs in apiHandler

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This commit is contained in:
BurtonQin 2020-02-13 23:25:38 +08:00
parent 96490a10be
commit 80f692f123
1 changed files with 3 additions and 0 deletions
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3
cmd/faucet/faucet.go
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@ -360,6 +360,7 @@ func (f *faucet) apiHandler(w http.ResponseWriter, r *http.Request) {
}
}
// Send over the initial stats and the latest header
f.lock.RLock()
if err = send(conn, map[string]interface{}{
"funds": new(big.Int).Div(balance, ether),
"funded": nonce,
@ -367,8 +368,10 @@ func (f *faucet) apiHandler(w http.ResponseWriter, r *http.Request) {
"requests": f.reqs,
}, 3*time.Second); err != nil {
log.Warn("Failed to send initial stats to client", "err", err)
f.lock.RUnlock()
return
}
f.lock.RUnlock()
if err = send(conn, head, 3*time.Second); err != nil {
log.Warn("Failed to send initial header to client", "err", err)
return