lotus/cmd/chain-noise/main.go
2021-01-06 11:30:51 +08:00

112 lines
2.2 KiB
Go

package main
import (
"context"
"fmt"
"math/rand"
"os"
"time"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/types"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/urfave/cli/v2"
)
func main() {
app := &cli.App{
Name: "chain-noise",
Usage: "Generate some spam transactions in the network",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "repo",
EnvVars: []string{"LOTUS_PATH"},
Hidden: true,
Value: "~/.lotus", // TODO: Consider XDG_DATA_HOME
},
&cli.IntFlag{
Name: "limit",
Usage: "spam transaction count limit, <= 0 is no limit",
Value: 0,
},
&cli.IntFlag{
Name: "rate",
Usage: "spam transaction rate, count per second",
Value: 5,
},
},
Commands: []*cli.Command{runCmd},
}
if err := app.Run(os.Args); err != nil {
fmt.Println("Error: ", err)
os.Exit(1)
}
}
var runCmd = &cli.Command{
Name: "run",
Action: func(cctx *cli.Context) error {
addr, err := address.NewFromString(cctx.Args().First())
if err != nil {
return err
}
api, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
rate := cctx.Int("rate")
if rate <= 0 {
rate = 5
}
limit := cctx.Int("limit")
return sendSmallFundsTxs(ctx, api, addr, rate, limit)
},
}
func sendSmallFundsTxs(ctx context.Context, api api.FullNode, from address.Address, rate, limit int) error {
var sendSet []address.Address
for i := 0; i < 20; i++ {
naddr, err := api.WalletNew(ctx, types.KTSecp256k1)
if err != nil {
return err
}
sendSet = append(sendSet, naddr)
}
count := limit
tick := build.Clock.Ticker(time.Second / time.Duration(rate))
for {
if count <= 0 && limit > 0 {
fmt.Printf("%d messages sent.\n", limit)
return nil
}
select {
case <-tick.C:
msg := &types.Message{
From: from,
To: sendSet[rand.Intn(20)],
Value: types.NewInt(1),
}
smsg, err := api.MpoolPushMessage(ctx, msg, nil)
if err != nil {
return err
}
count--
fmt.Println("Message sent: ", smsg.Cid())
case <-ctx.Done():
return nil
}
}
}