package main import ( "fmt" "github.com/ipfs/go-cid" "github.com/urfave/cli/v2" "github.com/filecoin-project/go-state-types/builtin" "github.com/filecoin-project/go-state-types/exitcode" "github.com/filecoin-project/lotus/chain/stmgr" "github.com/filecoin-project/lotus/chain/types" "github.com/filecoin-project/lotus/cmd/lotus-sim/simulation" ) var infoWindowPostBandwidthSimCommand = &cli.Command{ Name: "post-bandwidth", Description: "List average chain bandwidth used by window posts for each day of the simulation.", Action: func(cctx *cli.Context) (err error) { node, err := open(cctx) if err != nil { return err } defer func() { if cerr := node.Close(); err == nil { err = cerr } }() sim, err := node.LoadSim(cctx.Context, cctx.String("simulation")) if err != nil { return err } var postGas, totalGas int64 printStats := func() { fmt.Fprintf(cctx.App.Writer, "%.4f%%\n", float64(100*postGas)/float64(totalGas)) } idx := 0 err = sim.Walk(cctx.Context, 0, func( sm *stmgr.StateManager, ts *types.TipSet, stCid cid.Cid, messages []*simulation.AppliedMessage, ) error { for _, m := range messages { totalGas += m.GasUsed if m.ExitCode != exitcode.Ok { continue } if m.Method == builtin.MethodsMiner.SubmitWindowedPoSt { postGas += m.GasUsed } } idx++ idx %= builtin.EpochsInDay if idx == 0 { printStats() postGas = 0 totalGas = 0 } return nil }) if idx > 0 { printStats() } return err }, }