package main import ( "fmt" "github.com/urfave/cli/v2" "github.com/filecoin-project/lotus/cmd/lotus-sim/simulation" "github.com/filecoin-project/lotus/lib/ulimit" ) func open(cctx *cli.Context) (*simulation.Node, error) { if _, _, err := ulimit.ManageFdLimit(); err != nil { _, _ = fmt.Fprintf(cctx.App.ErrWriter, "ERROR: failed to raise ulimit: %s\n", err) } return simulation.OpenNode(cctx.Context, cctx.String("repo")) }