lotus/cli/chain.go

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package cli
import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"os"
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"os/exec"
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"path"
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"strconv"
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"strings"
"time"
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"github.com/filecoin-project/go-address"
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cborutil "github.com/filecoin-project/go-cbor-util"
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"github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/specs-actors/actors/builtin/account"
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"github.com/filecoin-project/specs-actors/actors/builtin/market"
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"github.com/filecoin-project/specs-actors/actors/builtin/miner"
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"github.com/filecoin-project/specs-actors/actors/builtin/power"
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"github.com/filecoin-project/specs-actors/actors/util/adt"
cid "github.com/ipfs/go-cid"
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"github.com/urfave/cli/v2"
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cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/chain/actors"
types "github.com/filecoin-project/lotus/chain/types"
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)
var chainCmd = &cli.Command{
Name: "chain",
Usage: "Interact with filecoin blockchain",
Subcommands: []*cli.Command{
chainHeadCmd,
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chainGetBlock,
chainReadObjCmd,
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chainStatObjCmd,
chainGetMsgCmd,
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chainSetHeadCmd,
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chainListCmd,
chainGetCmd,
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chainBisectCmd,
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chainExportCmd,
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slashConsensusFault,
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},
}
var chainHeadCmd = &cli.Command{
Name: "head",
Usage: "Print chain head",
Action: func(cctx *cli.Context) error {
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api, closer, err := GetFullNodeAPI(cctx)
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if err != nil {
return err
}
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defer closer()
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ctx := ReqContext(cctx)
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head, err := api.ChainHead(ctx)
if err != nil {
return err
}
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for _, c := range head.Cids() {
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fmt.Println(c)
}
return nil
},
}
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var chainGetBlock = &cli.Command{
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Name: "getblock",
Usage: "Get a block and print its details",
ArgsUsage: "[blockCid]",
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Flags: []cli.Flag{
&cli.BoolFlag{
Name: "raw",
Usage: "print just the raw block header",
},
},
Action: func(cctx *cli.Context) error {
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api, closer, err := GetFullNodeAPI(cctx)
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if err != nil {
return err
}
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defer closer()
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ctx := ReqContext(cctx)
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if !cctx.Args().Present() {
return fmt.Errorf("must pass cid of block to print")
}
bcid, err := cid.Decode(cctx.Args().First())
if err != nil {
return err
}
blk, err := api.ChainGetBlock(ctx, bcid)
if err != nil {
return xerrors.Errorf("get block failed: %w", err)
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}
if cctx.Bool("raw") {
out, err := json.MarshalIndent(blk, "", " ")
if err != nil {
return err
}
fmt.Println(string(out))
return nil
}
msgs, err := api.ChainGetBlockMessages(ctx, bcid)
if err != nil {
return xerrors.Errorf("failed to get messages: %w", err)
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}
pmsgs, err := api.ChainGetParentMessages(ctx, bcid)
if err != nil {
return xerrors.Errorf("failed to get parent messages: %w", err)
}
recpts, err := api.ChainGetParentReceipts(ctx, bcid)
if err != nil {
log.Warn(err)
//return xerrors.Errorf("failed to get receipts: %w", err)
}
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cblock := struct {
types.BlockHeader
BlsMessages []*types.Message
SecpkMessages []*types.SignedMessage
ParentReceipts []*types.MessageReceipt
ParentMessages []cid.Cid
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}{}
cblock.BlockHeader = *blk
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cblock.BlsMessages = msgs.BlsMessages
cblock.SecpkMessages = msgs.SecpkMessages
cblock.ParentReceipts = recpts
cblock.ParentMessages = apiMsgCids(pmsgs)
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out, err := json.MarshalIndent(cblock, "", " ")
if err != nil {
return err
}
fmt.Println(string(out))
return nil
},
}
func apiMsgCids(in []api.Message) []cid.Cid {
out := make([]cid.Cid, len(in))
for k, v := range in {
out[k] = v.Cid
}
return out
}
var chainReadObjCmd = &cli.Command{
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Name: "read-obj",
Usage: "Read the raw bytes of an object",
ArgsUsage: "[objectCid]",
Action: func(cctx *cli.Context) error {
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api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
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defer closer()
ctx := ReqContext(cctx)
c, err := cid.Decode(cctx.Args().First())
if err != nil {
return fmt.Errorf("failed to parse cid input: %s", err)
}
obj, err := api.ChainReadObj(ctx, c)
if err != nil {
return err
}
fmt.Printf("%x\n", obj)
return nil
},
}
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var chainStatObjCmd = &cli.Command{
Name: "stat-obj",
Usage: "Collect size and ipld link counts for objs",
ArgsUsage: "[cid]",
Description: `Collect object size and ipld link count for an object.
When a base is provided it will be walked first, and all links visisted
will be ignored when the passed in object is walked.
`,
Flags: []cli.Flag{
&cli.StringFlag{
Name: "base",
Usage: "ignore links found in this obj",
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
obj, err := cid.Decode(cctx.Args().First())
if err != nil {
return fmt.Errorf("failed to parse cid input: %s", err)
}
base := cid.Undef
if cctx.IsSet("base") {
base, err = cid.Decode(cctx.String("base"))
if err != nil {
return err
}
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}
stats, err := api.ChainStatObj(ctx, obj, base)
if err != nil {
return err
}
fmt.Printf("Links: %d\n", stats.Links)
fmt.Printf("Size: %s (%d)\n", types.SizeStr(types.NewInt(stats.Size)), stats.Size)
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return nil
},
}
var chainGetMsgCmd = &cli.Command{
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Name: "getmessage",
Usage: "Get and print a message by its cid",
ArgsUsage: "[messageCid]",
Action: func(cctx *cli.Context) error {
if !cctx.Args().Present() {
return fmt.Errorf("must pass a cid of a message to get")
}
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
c, err := cid.Decode(cctx.Args().First())
if err != nil {
return xerrors.Errorf("failed to parse cid input: %w", err)
}
mb, err := api.ChainReadObj(ctx, c)
if err != nil {
return xerrors.Errorf("failed to read object: %w", err)
}
var i interface{}
m, err := types.DecodeMessage(mb)
if err != nil {
sm, err := types.DecodeSignedMessage(mb)
if err != nil {
return xerrors.Errorf("failed to decode object as a message: %w", err)
}
i = sm
} else {
i = m
}
enc, err := json.MarshalIndent(i, "", " ")
if err != nil {
return err
}
fmt.Println(string(enc))
return nil
},
}
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var chainSetHeadCmd = &cli.Command{
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Name: "sethead",
Usage: "manually set the local nodes head tipset (Caution: normally only used for recovery)",
ArgsUsage: "[tipsetkey]",
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Flags: []cli.Flag{
&cli.BoolFlag{
Name: "genesis",
Usage: "reset head to genesis",
},
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&cli.Uint64Flag{
Name: "epoch",
Usage: "reset head to given epoch",
},
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},
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Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
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var ts *types.TipSet
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if cctx.Bool("genesis") {
ts, err = api.ChainGetGenesis(ctx)
}
if ts == nil && cctx.IsSet("epoch") {
ts, err = api.ChainGetTipSetByHeight(ctx, abi.ChainEpoch(cctx.Uint64("epoch")), types.EmptyTSK)
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}
if ts == nil {
ts, err = parseTipSet(api, ctx, cctx.Args().Slice())
}
if err != nil {
return err
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}
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if ts == nil {
return fmt.Errorf("must pass cids for tipset to set as head")
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}
if err := api.ChainSetHead(ctx, ts.Key()); err != nil {
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return err
}
return nil
},
}
func parseTipSet(api api.FullNode, ctx context.Context, vals []string) (*types.TipSet, error) {
var headers []*types.BlockHeader
for _, c := range vals {
blkc, err := cid.Decode(c)
if err != nil {
return nil, err
}
bh, err := api.ChainGetBlock(ctx, blkc)
if err != nil {
return nil, err
}
headers = append(headers, bh)
}
return types.NewTipSet(headers)
}
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var chainListCmd = &cli.Command{
Name: "list",
Usage: "View a segment of the chain",
Flags: []cli.Flag{
&cli.Uint64Flag{Name: "height"},
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&cli.IntFlag{Name: "count", Value: 30},
&cli.StringFlag{
Name: "format",
Usage: "specify the format to print out tipsets",
Value: "<height>: (<time>) <blocks>",
},
},
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Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
var head *types.TipSet
if cctx.IsSet("height") {
head, err = api.ChainGetTipSetByHeight(ctx, abi.ChainEpoch(cctx.Uint64("height")), types.EmptyTSK)
} else {
head, err = api.ChainHead(ctx)
}
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if err != nil {
return err
}
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count := cctx.Int("count")
if count < 1 {
return nil
}
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tss := make([]*types.TipSet, 0, count)
tss = append(tss, head)
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for i := 1; i < count; i++ {
if head.Height() == 0 {
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break
}
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head, err = api.ChainGetTipSet(ctx, head.Parents())
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if err != nil {
return err
}
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tss = append(tss, head)
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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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}
return nil
},
}
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var chainGetCmd = &cli.Command{
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Name: "get",
Usage: "Get chain DAG node by path",
ArgsUsage: "[path]",
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Flags: []cli.Flag{
&cli.StringFlag{
Name: "as-type",
Usage: "specify type to interpret output as",
},
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&cli.BoolFlag{
Name: "verbose",
Value: false,
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},
&cli.StringFlag{
Name: "tipset",
Usage: "specify tipset for /pstate (pass comma separated array of cids)",
},
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},
Description: `Get ipld node under a specified path:
lotus chain get /ipfs/[cid]/some/path
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Path prefixes:
- /ipfs/[cid], /ipld/[cid] - traverse IPLD path
- /pstate - traverse from head.ParentStateRoot
Note:
You can use special path elements to traverse through some data structures:
- /ipfs/[cid]/@H:elem - get 'elem' from hamt
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- /ipfs/[cid]/@Hi:123 - get varint elem 123 from hamt
- /ipfs/[cid]/@Hu:123 - get uvarint elem 123 from hamt
- /ipfs/[cid]/@Ha:t01 - get element under Addr(t01).Bytes
- /ipfs/[cid]/@A:10 - get 10th amt element
- .../@Ha:t01/@state - get pretty map-based actor state
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List of --as-type types:
- raw
- block
- message
- smessage, signedmessage
- actor
- amt
- hamt-epoch
- hamt-address
- cronevent
- account-state
`,
Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
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p := path.Clean(cctx.Args().First())
if strings.HasPrefix(p, "/pstate") {
p = p[len("/pstate"):]
ts, err := LoadTipSet(ctx, cctx, api)
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if err != nil {
return err
}
if ts == nil {
ts, err = api.ChainHead(ctx)
if err != nil {
return err
}
}
p = "/ipfs/" + ts.ParentState().String() + p
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if cctx.Bool("verbose") {
fmt.Println(p)
}
}
obj, err := api.ChainGetNode(ctx, p)
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if err != nil {
return err
}
t := strings.ToLower(cctx.String("as-type"))
if t == "" {
b, err := json.MarshalIndent(obj.Obj, "", "\t")
if err != nil {
return err
}
fmt.Println(string(b))
return nil
}
var cbu cbg.CBORUnmarshaler
switch t {
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case "raw":
cbu = nil
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case "block":
cbu = new(types.BlockHeader)
case "message":
cbu = new(types.Message)
case "smessage", "signedmessage":
cbu = new(types.SignedMessage)
case "actor":
cbu = new(types.Actor)
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case "amt":
return handleAmt(ctx, api, obj.Cid)
case "hamt-epoch":
return handleHamtEpoch(ctx, api, obj.Cid)
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case "hamt-address":
return handleHamtAddress(ctx, api, obj.Cid)
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case "cronevent":
cbu = new(power.CronEvent)
case "account-state":
cbu = new(account.State)
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case "miner-state":
cbu = new(miner.State)
case "power-state":
cbu = new(power.State)
case "market-state":
cbu = new(market.State)
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default:
return fmt.Errorf("unknown type: %q", t)
}
raw, err := api.ChainReadObj(ctx, obj.Cid)
if err != nil {
return err
}
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if cbu == nil {
fmt.Printf("%x", raw)
return nil
}
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if err := cbu.UnmarshalCBOR(bytes.NewReader(raw)); err != nil {
return fmt.Errorf("failed to unmarshal as %q", t)
}
b, err := json.MarshalIndent(cbu, "", "\t")
if err != nil {
return err
}
fmt.Println(string(b))
return nil
},
}
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type apiIpldStore struct {
ctx context.Context
api api.FullNode
}
func (ht *apiIpldStore) Context() context.Context {
return ht.ctx
}
func (ht *apiIpldStore) Get(ctx context.Context, c cid.Cid, out interface{}) error {
raw, err := ht.api.ChainReadObj(ctx, c)
if err != nil {
return err
}
cu, ok := out.(cbg.CBORUnmarshaler)
if ok {
if err := cu.UnmarshalCBOR(bytes.NewReader(raw)); err != nil {
return err
}
return nil
}
return fmt.Errorf("Object does not implement CBORUnmarshaler")
}
func (ht *apiIpldStore) Put(ctx context.Context, v interface{}) (cid.Cid, error) {
panic("No mutations allowed")
}
func handleAmt(ctx context.Context, api api.FullNode, r cid.Cid) error {
s := &apiIpldStore{ctx, api}
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mp, err := adt.AsArray(s, r)
if err != nil {
return err
}
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return mp.ForEach(nil, func(key int64) error {
fmt.Printf("%d\n", key)
return nil
})
}
func handleHamtEpoch(ctx context.Context, api api.FullNode, r cid.Cid) error {
s := &apiIpldStore{ctx, api}
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mp, err := adt.AsMap(s, r)
if err != nil {
return err
}
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return mp.ForEach(nil, func(key string) error {
ik, err := adt.ParseIntKey(key)
if err != nil {
return err
}
fmt.Printf("%d\n", ik)
return nil
})
}
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func handleHamtAddress(ctx context.Context, api api.FullNode, r cid.Cid) error {
s := &apiIpldStore{ctx, api}
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mp, err := adt.AsMap(s, r)
if err != nil {
return err
}
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return mp.ForEach(nil, func(key string) error {
addr, err := address.NewFromBytes([]byte(key))
if err != nil {
return err
}
fmt.Printf("%s\n", addr)
return nil
})
}
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func printTipSet(format string, ts *types.TipSet) {
format = strings.ReplaceAll(format, "<height>", fmt.Sprint(ts.Height()))
format = strings.ReplaceAll(format, "<time>", time.Unix(int64(ts.MinTimestamp()), 0).Format(time.Stamp))
blks := "[ "
for _, b := range ts.Blocks() {
blks += fmt.Sprintf("%s: %s,", b.Cid(), b.Miner)
}
blks += " ]"
sCids := make([]string, 0, len(blks))
for _, c := range ts.Cids() {
sCids = append(sCids, c.String())
}
format = strings.ReplaceAll(format, "<tipset>", strings.Join(sCids, ","))
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format = strings.ReplaceAll(format, "<blocks>", blks)
format = strings.ReplaceAll(format, "<weight>", fmt.Sprint(ts.Blocks()[0].ParentWeight))
fmt.Println(format)
}
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var chainBisectCmd = &cli.Command{
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Name: "bisect",
Usage: "bisect chain for an event",
ArgsUsage: "[minHeight maxHeight path shellCommand <shellCommandArgs (if any)>]",
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Description: `Bisect the chain state tree:
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lotus chain bisect [min height] [max height] '1/2/3/state/path' 'shell command' 'args'
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Returns the first tipset in which condition is true
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v
[start] FFFFFFFTTT [end]
Example: find height at which deal ID 100 000 appeared
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- lotus chain bisect 1 32000 '@Ha:t03/1' jq -e '.[2] > 100000'
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For special path elements see 'chain get' help
`,
Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
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if cctx.Args().Len() < 4 {
return xerrors.New("need at least 4 args")
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}
start, err := strconv.ParseUint(cctx.Args().Get(0), 10, 64)
if err != nil {
return err
}
end, err := strconv.ParseUint(cctx.Args().Get(1), 10, 64)
if err != nil {
return err
}
subPath := cctx.Args().Get(2)
highest, err := api.ChainGetTipSetByHeight(ctx, abi.ChainEpoch(end), types.EmptyTSK)
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if err != nil {
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return xerrors.Errorf("getting end tipset: %w", err)
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}
prev := highest.Height()
for {
mid := (start + end) / 2
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if end-start == 1 {
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mid = end
start = end
}
midTs, err := api.ChainGetTipSetByHeight(ctx, abi.ChainEpoch(mid), highest.Key())
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if err != nil {
return err
}
path := "/ipld/" + midTs.ParentState().String() + "/" + subPath
fmt.Printf("* Testing %d (%d - %d) (%s): ", mid, start, end, path)
nd, err := api.ChainGetNode(ctx, path)
if err != nil {
return err
}
b, err := json.MarshalIndent(nd.Obj, "", "\t")
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if err != nil {
return err
}
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cmd := exec.CommandContext(ctx, cctx.Args().Get(3), cctx.Args().Slice()[4:]...)
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cmd.Stdin = bytes.NewReader(b)
var out bytes.Buffer
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var serr bytes.Buffer
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cmd.Stdout = &out
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cmd.Stderr = &serr
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switch cmd.Run().(type) {
case nil:
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// it's lower
if strings.TrimSpace(out.String()) != "false" {
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end = mid
highest = midTs
fmt.Println("true")
} else {
start = mid
fmt.Printf("false (cli)\n")
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}
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case *exec.ExitError:
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if len(serr.String()) > 0 {
fmt.Println("error")
fmt.Printf("> Command: %s\n---->\n", strings.Join(cctx.Args().Slice()[3:], " "))
fmt.Println(string(b))
fmt.Println("<----")
return xerrors.Errorf("error running bisect check: %s", serr.String())
}
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start = mid
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fmt.Println("false")
default:
return err
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}
if start == end {
if strings.TrimSpace(out.String()) == "true" {
fmt.Println(midTs.Height())
} else {
fmt.Println(prev)
}
return nil
}
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prev = abi.ChainEpoch(mid)
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}
},
}
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var chainExportCmd = &cli.Command{
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Name: "export",
Usage: "export chain to a car file",
ArgsUsage: "[outputPath]",
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Flags: []cli.Flag{
&cli.StringFlag{
Name: "tipset",
},
},
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Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
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if !cctx.Args().Present() {
return fmt.Errorf("must specify filename to export chain to")
}
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fi, err := os.Create(cctx.Args().First())
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if err != nil {
return err
}
defer func() {
err := fi.Close()
if err != nil {
fmt.Printf("error closing output file: %+v", err)
}
}()
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ts, err := LoadTipSet(ctx, cctx, api)
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if err != nil {
return err
}
stream, err := api.ChainExport(ctx, ts.Key())
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if err != nil {
return err
}
for b := range stream {
_, err := fi.Write(b)
if err != nil {
return err
}
}
return nil
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},
}
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var slashConsensusFault = &cli.Command{
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Name: "slash-consensus",
Usage: "Report consensus fault",
ArgsUsage: "[blockCid1 blockCid2]",
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Flags: []cli.Flag{
&cli.StringFlag{
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Name: "miner",
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Usage: "Miner address",
},
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&cli.StringFlag{
Name: "extra",
Usage: "Extra block cid",
},
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},
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Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
c1, err := cid.Parse(cctx.Args().Get(0))
if err != nil {
return xerrors.Errorf("parsing cid 1: %w", err)
}
b1, err := api.ChainGetBlock(ctx, c1)
if err != nil {
return xerrors.Errorf("getting block 1: %w", err)
}
c2, err := cid.Parse(cctx.Args().Get(1))
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if err != nil {
return xerrors.Errorf("parsing cid 2: %w", err)
}
b2, err := api.ChainGetBlock(ctx, c2)
if err != nil {
return xerrors.Errorf("getting block 2: %w", err)
}
def, err := api.WalletDefaultAddress(ctx)
if err != nil {
return err
}
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bh1, err := cborutil.Dump(b1)
if err != nil {
return err
}
bh2, err := cborutil.Dump(b2)
if err != nil {
return err
}
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params := miner.ReportConsensusFaultParams{
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BlockHeader1: bh1,
BlockHeader2: bh2,
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}
if cctx.String("extra") != "" {
cExtra, err := cid.Parse(cctx.String("extra"))
if err != nil {
return xerrors.Errorf("parsing cid extra: %w", err)
}
bExtra, err := api.ChainGetBlock(ctx, cExtra)
if err != nil {
return xerrors.Errorf("getting block extra: %w", err)
}
be, err := cborutil.Dump(bExtra)
if err != nil {
return err
}
params.BlockHeaderExtra = be
}
enc, err := actors.SerializeParams(&params)
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if err != nil {
return err
}
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if cctx.String("miner") == "" {
return xerrors.Errorf("--miner flag is required")
}
maddr, err := address.NewFromString(cctx.String("miner"))
if err != nil {
return err
}
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msg := &types.Message{
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To: maddr,
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From: def,
Value: types.NewInt(0),
GasPrice: types.NewInt(1),
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GasLimit: 10000000,
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Method: builtin.MethodsMiner.ReportConsensusFault,
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Params: enc,
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}
smsg, err := api.MpoolPushMessage(ctx, msg)
if err != nil {
return err
}
fmt.Println(smsg.Cid())
return nil
},
}