lotus/cmd/lotus-sim/create.go

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package main
import (
"fmt"
"github.com/urfave/cli/v2"
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"github.com/filecoin-project/lotus/chain/types"
lcli "github.com/filecoin-project/lotus/cli"
)
var createSimCommand = &cli.Command{
Name: "create",
ArgsUsage: "[tipset]",
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Action: func(cctx *cli.Context) (err error) {
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node, err := open(cctx)
if err != nil {
return err
}
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defer func() {
if cerr := node.Close(); err == nil {
err = cerr
}
}()
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var ts *types.TipSet
switch cctx.NArg() {
case 0:
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if err := node.Chainstore.Load(cctx.Context); err != nil {
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return err
}
ts = node.Chainstore.GetHeaviestTipSet()
case 1:
ts, err = lcli.ParseTipSetRefOffline(cctx.Context, node.Chainstore, cctx.Args().Get(1))
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if err != nil {
return err
}
default:
return fmt.Errorf("expected 0 or 1 arguments")
}
_, err = node.CreateSim(cctx.Context, cctx.String("simulation"), ts)
return err
},
}