use more rational node timeout, 60s.

lichao

2021-05-18 ccf72bb0b8aa9c421bb2964acca2dcd868d10a94

 src/defs.cpp

@@ -188,3 +188,5 @@
   ec = LastErrorStore().ec_;
   msg = LastErrorStore().msg_;
}

int NodeTimeoutSec() { return 60; }