core/vm: avoid duplicate log in json logger (#22825)

df20b3b9 · Evgeny Danilenko · GitHub · 37b55954 · df20b3b9
Unverified Commit df20b3b9 authored May 06, 2021 by Evgeny Danilenko Committed by GitHub May 06, 2021
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Showing with 3 additions and 2 deletions

logger_json.go core/vm/logger_json.go +3 -2

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--- a/core/vm/logger_json.go
+++ b/core/vm/logger_json.go
@@ -87,8 +87,9 @@ func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration,
 		Time    time.Duration       `json:"time"`
 		Err     string              `json:"error,omitempty"`
 	}
+	var errMsg string
 	if err != nil {
-		l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, err.Error()})
+		errMsg = err.Error()
 	}
-	l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, ""})
+	l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, errMsg})
 }