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-rw-r--r--cmd/geth/admin.go17
1 files changed, 13 insertions, 4 deletions
diff --git a/cmd/geth/admin.go b/cmd/geth/admin.go
index 17d711297..b0cb7507a 100644
--- a/cmd/geth/admin.go
+++ b/cmd/geth/admin.go
@@ -275,10 +275,19 @@ func (js *jsre) verbosity(call otto.FunctionCall) otto.Value {
}
func (js *jsre) startMining(call otto.FunctionCall) otto.Value {
- threads, err := call.Argument(0).ToInteger()
- if err != nil {
- fmt.Println(err)
- return otto.FalseValue()
+ var (
+ threads int64
+ err error
+ )
+
+ if len(call.ArgumentList) > 0 {
+ threads, err = call.Argument(0).ToInteger()
+ if err != nil {
+ fmt.Println(err)
+ return otto.FalseValue()
+ }
+ } else {
+ threads = 4
}
err = js.ethereum.StartMining(int(threads))