318 lines
7.0 KiB
Go
318 lines
7.0 KiB
Go
package main
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"strconv"
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"time"
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rice "github.com/GeertJohan/go.rice"
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logging "github.com/ipfs/go-log"
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peer "github.com/libp2p/go-libp2p-peer"
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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/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/address"
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"github.com/filecoin-project/lotus/chain/types"
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lcli "github.com/filecoin-project/lotus/cli"
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)
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var log = logging.Logger("main")
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var sendPerRequest = types.NewInt(500_000_000)
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func main() {
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logging.SetLogLevel("*", "INFO")
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log.Info("Starting fountain")
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local := []*cli.Command{
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runCmd,
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}
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app := &cli.App{
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Name: "lotus-fountain",
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Usage: "Devnet token distribution utility",
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Version: build.Version,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "repo",
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EnvVars: []string{"LOTUS_PATH"},
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Value: "~/.lotus", // TODO: Consider XDG_DATA_HOME
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},
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},
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Commands: local,
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}
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if err := app.Run(os.Args); err != nil {
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log.Warn(err)
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return
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}
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}
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var runCmd = &cli.Command{
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Name: "run",
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Usage: "Start lotus fountain",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "front",
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Value: "127.0.0.1:7777",
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},
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&cli.StringFlag{
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Name: "from",
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},
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},
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Action: func(cctx *cli.Context) error {
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nodeApi, closer, err := lcli.GetFullNodeAPI(cctx)
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if err != nil {
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return err
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}
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defer closer()
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ctx := lcli.ReqContext(cctx)
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v, err := nodeApi.Version(ctx)
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if err != nil {
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return err
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}
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log.Info("Remote version: %s", v.Version)
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from, err := address.NewFromString(cctx.String("from"))
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if err != nil {
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return xerrors.Errorf("parsing source address (provide correct --from flag!): %w", err)
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}
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h := &handler{
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ctx: ctx,
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api: nodeApi,
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from: from,
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limiter: NewLimiter(LimiterConfig{
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TotalRate: time.Second,
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TotalBurst: 20,
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IPRate: time.Minute,
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IPBurst: 5,
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WalletRate: 15 * time.Minute,
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WalletBurst: 1,
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}),
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colLimiter: NewLimiter(LimiterConfig{
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TotalRate: time.Second,
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TotalBurst: 20,
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IPRate: 10 * time.Minute,
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IPBurst: 1,
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WalletRate: 1 * time.Hour,
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WalletBurst: 1,
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}),
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}
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http.Handle("/", http.FileServer(rice.MustFindBox("site").HTTPBox()))
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http.HandleFunc("/send", h.send)
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http.HandleFunc("/mkminer", h.mkminer)
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fmt.Printf("Open http://%s\n", cctx.String("front"))
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go func() {
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<-ctx.Done()
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os.Exit(0)
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}()
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return http.ListenAndServe(cctx.String("front"), nil)
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},
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}
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type handler struct {
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ctx context.Context
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api api.FullNode
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from address.Address
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limiter *Limiter
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colLimiter *Limiter
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}
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func (h *handler) send(w http.ResponseWriter, r *http.Request) {
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// General limiter to allow throttling all messages that can make it into the mpool
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if !h.limiter.Allow() {
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http.Error(w, http.StatusText(http.StatusTooManyRequests), http.StatusTooManyRequests)
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return
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}
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// Limit based on IP
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limiter := h.limiter.GetIPLimiter(r.RemoteAddr)
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if !limiter.Allow() {
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http.Error(w, http.StatusText(http.StatusTooManyRequests), http.StatusTooManyRequests)
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return
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}
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to, err := address.NewFromString(r.FormValue("address"))
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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// Limit based on wallet address
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limiter = h.limiter.GetWalletLimiter(to.String())
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if !limiter.Allow() {
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http.Error(w, http.StatusText(http.StatusTooManyRequests), http.StatusTooManyRequests)
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return
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}
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smsg, err := h.api.MpoolPushMessage(h.ctx, &types.Message{
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Value: sendPerRequest,
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From: h.from,
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To: to,
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GasPrice: types.NewInt(0),
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GasLimit: types.NewInt(1000),
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})
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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w.Write([]byte(smsg.Cid().String()))
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}
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func (h *handler) mkminer(w http.ResponseWriter, r *http.Request) {
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// General limiter owner allow throttling all messages that can make it into the mpool
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if !h.colLimiter.Allow() {
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http.Error(w, http.StatusText(http.StatusTooManyRequests), http.StatusTooManyRequests)
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return
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}
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// Limit based on IP
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limiter := h.colLimiter.GetIPLimiter(r.RemoteAddr)
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if !limiter.Allow() {
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http.Error(w, http.StatusText(http.StatusTooManyRequests), http.StatusTooManyRequests)
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return
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}
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owner, err := address.NewFromString(r.FormValue("address"))
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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ssize, err := strconv.ParseInt(r.FormValue("sectorSize"), 10, 64)
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if err != nil {
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return
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}
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if owner.Protocol() != address.BLS {
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w.WriteHeader(400)
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w.Write([]byte("Miner address must use BLS"))
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return
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}
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log.Infof("mkactor on %s", owner)
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// Limit based on wallet address
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limiter = h.colLimiter.GetWalletLimiter(owner.String())
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if !limiter.Allow() {
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http.Error(w, http.StatusText(http.StatusTooManyRequests), http.StatusTooManyRequests)
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return
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}
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collateral, err := h.api.StatePledgeCollateral(r.Context(), nil)
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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smsg, err := h.api.MpoolPushMessage(h.ctx, &types.Message{
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Value: sendPerRequest,
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From: h.from,
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To: owner,
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GasPrice: types.NewInt(0),
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GasLimit: types.NewInt(1000),
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})
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte("pushfunds: " + err.Error()))
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return
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}
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log.Infof("push funds to %s: %s", owner, smsg.Cid())
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mw, err := h.api.StateWaitMsg(r.Context(), smsg.Cid())
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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if mw.Receipt.ExitCode != 0 {
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w.WriteHeader(400)
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w.Write([]byte(xerrors.Errorf("create storage miner failed: exit code %d", mw.Receipt.ExitCode).Error()))
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return
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}
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log.Infof("sendto %s ok", owner)
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params, err := actors.SerializeParams(&actors.CreateStorageMinerParams{
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Owner: owner,
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Worker: owner,
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SectorSize: uint64(ssize),
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PeerID: peer.ID("SETME"),
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})
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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createStorageMinerMsg := &types.Message{
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To: actors.StoragePowerAddress,
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From: h.from,
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Value: collateral,
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Method: actors.SPAMethods.CreateStorageMiner,
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Params: params,
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GasLimit: types.NewInt(10000000),
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GasPrice: types.NewInt(0),
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}
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signed, err := h.api.MpoolPushMessage(r.Context(), createStorageMinerMsg)
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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log.Infof("smc %s", owner)
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mw, err = h.api.StateWaitMsg(r.Context(), signed.Cid())
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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if mw.Receipt.ExitCode != 0 {
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w.WriteHeader(400)
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w.Write([]byte(xerrors.Errorf("create storage miner failed: exit code %d", mw.Receipt.ExitCode).Error()))
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return
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}
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addr, err := address.NewFromBytes(mw.Receipt.Return)
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if err != nil {
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w.WriteHeader(400)
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w.Write([]byte(err.Error()))
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return
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}
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w.Header().Set("Content-Type", "text/plain")
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w.WriteHeader(200)
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fmt.Fprintf(w, "New storage miners address is: %s\n", addr)
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fmt.Fprintf(w, "Run lotus-storage-miner init --actor=%s --owner=%s", addr, owner)
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}
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