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election.go
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election.go
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package main
import (
"encoding/binary"
"fmt"
"math/rand"
"github.com/filecoin-project/lotus/chain/types"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/urfave/cli/v2"
"golang.org/x/xerrors"
)
var electionCmd = &cli.Command{
Name: "election",
Usage: "commands related to leader election",
Subcommands: []*cli.Command{
electionRunDummy,
},
}
var electionRunDummy = &cli.Command{
Name: "run-dummy",
Usage: "runs dummy elections with given power",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "network-power",
},
&cli.StringFlag{
Name: "miner-power",
},
&cli.Uint64Flag{
Name: "seed",
Value: 0,
},
},
Action: func(cctx *cli.Context) error {
ctx := lcli.ReqContext(cctx)
minerPow, err := types.BigFromString(cctx.String("miner-power"))
if err != nil {
return xerrors.Errorf("decoding miner-power: %w", err)
}
networkPow, err := types.BigFromString(cctx.String("network-power"))
if err != nil {
return xerrors.Errorf("decoding miner-power: %w", err)
}
ep := &types.ElectionProof{}
ep.VRFProof = make([]byte, 32)
seed := cctx.Uint64("seed")
if seed == 0 {
seed = rand.Uint64()
}
binary.BigEndian.PutUint64(ep.VRFProof, seed)
i := uint64(0)
for {
if ctx.Err() != nil {
return ctx.Err()
}
binary.BigEndian.PutUint64(ep.VRFProof[8:], i)
j := ep.ComputeWinCount(minerPow, networkPow)
_, err := fmt.Printf("%t, %d\n", j != 0, j)
if err != nil {
return err
}
i++
}
},
}