lotus/cmd/lotus-chainwatch/main.go

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package main
import (
"fmt"
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"net/http"
"os"
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logging "github.com/ipfs/go-log"
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"golang.org/x/xerrors"
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"gopkg.in/urfave/cli.v2"
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"github.com/filecoin-project/lotus/build"
lcli "github.com/filecoin-project/lotus/cli"
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)
var log = logging.Logger("chainwatch")
func main() {
logging.SetLogLevel("*", "INFO")
log.Info("Starting chainwatch")
local := []*cli.Command{
runCmd,
dotCmd,
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}
app := &cli.App{
Name: "lotus-chainwatch",
Usage: "Devnet token distribution utility",
Version: build.UserVersion,
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Flags: []cli.Flag{
&cli.StringFlag{
Name: "repo",
EnvVars: []string{"LOTUS_PATH"},
Value: "~/.lotus", // TODO: Consider XDG_DATA_HOME
},
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&cli.StringFlag{
Name: "db",
EnvVars: []string{"LOTUS_DB"},
Value: "./chainwatch.db",
},
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},
Commands: local,
}
if err := app.Run(os.Args); err != nil {
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log.Warnf("%+v", err)
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return
}
}
var runCmd = &cli.Command{
Name: "run",
Usage: "Start lotus chainwatch",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "front",
Value: "127.0.0.1:8418",
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
v, err := api.Version(ctx)
if err != nil {
return err
}
log.Info("Remote version: %s", v.Version)
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st, err := openStorage(cctx.String("db"))
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if err != nil {
return err
}
defer st.close()
runSyncer(ctx, api, st)
go subMpool(ctx, api, st)
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go subBlocks(ctx, api, st)
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h, err := newHandler(api, st)
if err != nil {
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return xerrors.Errorf("handler setup: %w", err)
}
http.Handle("/", h)
fmt.Printf("Open http://%s\n", cctx.String("front"))
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go func() {
<-ctx.Done()
os.Exit(0)
}()
return http.ListenAndServe(cctx.String("front"), nil)
},
}