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rpclient: fix masked error causing crash after max retries

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This commit fixes the error that is masked inside the for loop's scope.
Previously after max retries the error didn't leave the for scope and
therefore httpResponse remained nil which in turn resulted in a crash.
This commit is contained in:
Andras Banki-Horvath 2022-05-09 18:51:22 +02:00
parent ebed1927bf
commit 966511246d
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GPG key ID: 80E5375C094198D8
1 changed files with 12 additions and 1 deletions
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13
rpcclient/infrastructure.go
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@ -776,8 +776,10 @@ func (c *Client) handleSendPostMessage(jReq *jsonRequest) {
tries := 10
for i := 0; i < tries; i++ {
var httpReq *http.Request
bodyReader := bytes.NewReader(jReq.marshalledJSON)
httpReq, err := http.NewRequest("POST", url, bodyReader)
httpReq, err = http.NewRequest("POST", url, bodyReader)
if err != nil {
jReq.responseChan <- &Response{result: nil, err: err}
return
@ -815,6 +817,15 @@ func (c *Client) handleSendPostMessage(jReq *jsonRequest) {
return
}
// We still want to return an error if for any reason the respone
// remains empty.
if httpResponse == nil {
jReq.responseChan <- &Response{
err: fmt.Errorf("invalid http POST response (nil), "+
"method: %s, id: %d", jReq.method, jReq.id),
}
}
// Read the raw bytes and close the response.
respBytes, err := ioutil.ReadAll(httpResponse.Body)
httpResponse.Body.Close()