352 lines
7.1 KiB
Go
352 lines
7.1 KiB
Go
package cli
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import (
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"context"
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"encoding/json"
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"fmt"
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"strings"
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"time"
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cid "github.com/ipfs/go-cid"
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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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types "github.com/filecoin-project/lotus/chain/types"
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)
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var chainCmd = &cli.Command{
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Name: "chain",
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Usage: "Interact with filecoin blockchain",
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Subcommands: []*cli.Command{
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chainHeadCmd,
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chainGetBlock,
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chainReadObjCmd,
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chainGetMsgCmd,
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chainSetHeadCmd,
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chainListCmd,
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},
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}
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var chainHeadCmd = &cli.Command{
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Name: "head",
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Usage: "Print chain head",
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Action: func(cctx *cli.Context) error {
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api, closer, err := 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 := ReqContext(cctx)
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head, err := api.ChainHead(ctx)
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if err != nil {
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return err
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}
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for _, c := range head.Cids() {
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fmt.Println(c)
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}
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return nil
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},
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}
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var chainGetBlock = &cli.Command{
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Name: "getblock",
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Usage: "Get a block and print its details",
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "raw",
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Usage: "print just the raw block header",
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},
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},
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Action: func(cctx *cli.Context) error {
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api, closer, err := 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 := ReqContext(cctx)
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if !cctx.Args().Present() {
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return fmt.Errorf("must pass cid of block to print")
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}
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bcid, err := cid.Decode(cctx.Args().First())
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if err != nil {
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return err
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}
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blk, err := api.ChainGetBlock(ctx, bcid)
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if err != nil {
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return xerrors.Errorf("get block failed: %w", err)
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}
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if cctx.Bool("raw") {
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out, err := json.MarshalIndent(blk, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(out))
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return nil
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}
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msgs, err := api.ChainGetBlockMessages(ctx, bcid)
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if err != nil {
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return xerrors.Errorf("failed to get messages: %w", err)
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}
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pmsgs, err := api.ChainGetParentMessages(ctx, bcid)
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if err != nil {
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return xerrors.Errorf("failed to get parent messages: %w", err)
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}
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recpts, err := api.ChainGetParentReceipts(ctx, bcid)
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if err != nil {
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log.Warn(err)
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//return xerrors.Errorf("failed to get receipts: %w", err)
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}
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cblock := struct {
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types.BlockHeader
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BlsMessages []*types.Message
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SecpkMessages []*types.SignedMessage
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ParentReceipts []*types.MessageReceipt
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ParentMessages []cid.Cid
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}{}
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cblock.BlockHeader = *blk
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cblock.BlsMessages = msgs.BlsMessages
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cblock.SecpkMessages = msgs.SecpkMessages
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cblock.ParentReceipts = recpts
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cblock.ParentMessages = apiMsgCids(pmsgs)
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out, err := json.MarshalIndent(cblock, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(out))
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return nil
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},
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}
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func apiMsgCids(in []api.Message) []cid.Cid {
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out := make([]cid.Cid, len(in))
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for k, v := range in {
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out[k] = v.Cid
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}
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return out
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}
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var chainReadObjCmd = &cli.Command{
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Name: "read-obj",
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Usage: "Read the raw bytes of an object",
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Action: func(cctx *cli.Context) error {
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api, closer, err := 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 := ReqContext(cctx)
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c, err := cid.Decode(cctx.Args().First())
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if err != nil {
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return fmt.Errorf("failed to parse cid input: %s", err)
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}
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obj, err := api.ChainReadObj(ctx, c)
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if err != nil {
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return err
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}
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fmt.Printf("%x\n", obj)
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return nil
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},
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}
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var chainGetMsgCmd = &cli.Command{
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Name: "getmessage",
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Usage: "Get and print a message by its cid",
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Action: func(cctx *cli.Context) error {
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api, closer, err := 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 := ReqContext(cctx)
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c, err := cid.Decode(cctx.Args().First())
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if err != nil {
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return xerrors.Errorf("failed to parse cid input: %w", err)
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}
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mb, err := api.ChainReadObj(ctx, c)
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if err != nil {
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return xerrors.Errorf("failed to read object: %w", err)
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}
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var i interface{}
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m, err := types.DecodeMessage(mb)
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if err != nil {
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sm, err := types.DecodeSignedMessage(mb)
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if err != nil {
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return xerrors.Errorf("failed to decode object as a message: %w", err)
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}
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i = sm
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} else {
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i = m
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}
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enc, err := json.MarshalIndent(i, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(enc))
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return nil
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},
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}
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var chainSetHeadCmd = &cli.Command{
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Name: "sethead",
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Usage: "manually set the local nodes head tipset (Caution: normally only used for recovery)",
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "genesis",
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Usage: "reset head to genesis",
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},
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&cli.Uint64Flag{
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Name: "epoch",
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Usage: "reset head to given epoch",
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},
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},
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Action: func(cctx *cli.Context) error {
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api, closer, err := 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 := ReqContext(cctx)
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var ts *types.TipSet
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if cctx.Bool("genesis") {
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ts, err = api.ChainGetGenesis(ctx)
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}
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if ts == nil && cctx.IsSet("epoch") {
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ts, err = api.ChainGetTipSetByHeight(ctx, cctx.Uint64("epoch"), nil)
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}
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if ts == nil {
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ts, err = parseTipSet(api, ctx, cctx.Args().Slice())
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}
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if err != nil {
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return err
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}
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if ts == nil {
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return fmt.Errorf("must pass cids for tipset to set as head")
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}
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if err := api.ChainSetHead(ctx, ts); err != nil {
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return err
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}
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return nil
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},
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}
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func parseTipSet(api api.FullNode, ctx context.Context, vals []string) (*types.TipSet, error) {
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var headers []*types.BlockHeader
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for _, c := range vals {
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blkc, err := cid.Decode(c)
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if err != nil {
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return nil, err
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}
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bh, err := api.ChainGetBlock(ctx, blkc)
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if err != nil {
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return nil, err
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}
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headers = append(headers, bh)
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}
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return types.NewTipSet(headers)
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}
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var chainListCmd = &cli.Command{
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Name: "list",
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Usage: "View a segment of the chain",
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Flags: []cli.Flag{
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&cli.Uint64Flag{Name: "height"},
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&cli.IntFlag{Name: "count", Value: 30},
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&cli.StringFlag{
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Name: "format",
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Usage: "specify the format to print out tipsets",
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Value: "<height>: (<time>) <blocks>",
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},
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},
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Action: func(cctx *cli.Context) error {
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api, closer, err := 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 := ReqContext(cctx)
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var head *types.TipSet
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if cctx.IsSet("height") {
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head, err = api.ChainGetTipSetByHeight(ctx, cctx.Uint64("height"), nil)
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} else {
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head, err = api.ChainHead(ctx)
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}
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if err != nil {
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return err
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}
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count := cctx.Int("count")
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if count < 1 {
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return nil
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}
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tss := make([]*types.TipSet, 0, count)
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tss = append(tss, head)
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for i := 1; i < count; i++ {
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if head.Height() == 0 {
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break
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}
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head, err = api.ChainGetTipSet(ctx, head.Parents())
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if err != nil {
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return err
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}
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tss = append(tss, head)
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}
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for i := len(tss) - 1; i >= 0; i-- {
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printTipSet(cctx.String("format"), tss[i])
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}
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return nil
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},
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}
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func printTipSet(format string, ts *types.TipSet) {
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format = strings.ReplaceAll(format, "<height>", fmt.Sprint(ts.Height()))
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format = strings.ReplaceAll(format, "<time>", time.Unix(int64(ts.MinTimestamp()), 0).Format(time.Stamp))
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blks := "[ "
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for _, b := range ts.Blocks() {
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blks += fmt.Sprintf("%s: %s,", b.Cid(), b.Miner)
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}
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blks += " ]"
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format = strings.ReplaceAll(format, "<blocks>", blks)
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format = strings.ReplaceAll(format, "<weight>", fmt.Sprint(ts.Blocks()[0].ParentWeight))
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fmt.Println(format)
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}
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