package spcli

import (
	"bytes"
	"context"
	"fmt"
	"strconv"

	"github.com/docker/go-units"
	cbor "github.com/ipfs/go-ipld-cbor"
	"github.com/libp2p/go-libp2p/core/peer"
	ma "github.com/multiformats/go-multiaddr"
	"github.com/urfave/cli/v2"
	"golang.org/x/xerrors"

	"github.com/filecoin-project/go-address"
	"github.com/filecoin-project/go-bitfield"
	rlepluslazy "github.com/filecoin-project/go-bitfield/rle"
	"github.com/filecoin-project/go-state-types/abi"
	"github.com/filecoin-project/go-state-types/big"
	"github.com/filecoin-project/go-state-types/builtin"
	"github.com/filecoin-project/go-state-types/builtin/v9/miner"
	"github.com/filecoin-project/go-state-types/network"
	power2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/power"
	power6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/power"

	lapi "github.com/filecoin-project/lotus/api"
	"github.com/filecoin-project/lotus/api/v1api"
	"github.com/filecoin-project/lotus/blockstore"
	"github.com/filecoin-project/lotus/build"
	"github.com/filecoin-project/lotus/chain/actors"
	"github.com/filecoin-project/lotus/chain/actors/adt"
	lminer "github.com/filecoin-project/lotus/chain/actors/builtin/miner"
	"github.com/filecoin-project/lotus/chain/actors/builtin/power"
	"github.com/filecoin-project/lotus/chain/types"
	lcli "github.com/filecoin-project/lotus/cli"
	cliutil "github.com/filecoin-project/lotus/cli/util"
	"github.com/filecoin-project/lotus/node/impl"
)

func ActorWithdrawCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "withdraw",
		Usage:     "withdraw available balance to beneficiary",
		ArgsUsage: "[amount (FIL)]",
		Flags: []cli.Flag{
			&cli.IntFlag{
				Name:  "confidence",
				Usage: "number of block confirmations to wait for",
				Value: int(build.MessageConfidence),
			},
			&cli.BoolFlag{
				Name:  "beneficiary",
				Usage: "send withdraw message from the beneficiary address",
			},
		},
		Action: func(cctx *cli.Context) error {
			amount := abi.NewTokenAmount(0)

			if cctx.Args().Present() {
				f, err := types.ParseFIL(cctx.Args().First())
				if err != nil {
					return xerrors.Errorf("parsing 'amount' argument: %w", err)
				}

				amount = abi.TokenAmount(f)
			}

			api, acloser, err := lcli.GetFullNodeAPIV1(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			res, err := impl.WithdrawBalance(ctx, api, maddr, amount, !cctx.IsSet("beneficiary"))
			if err != nil {
				return err
			}

			fmt.Printf("Requested withdrawal in message %s\nwaiting for it to be included in a block..\n", res)

			// wait for it to get mined into a block
			wait, err := api.StateWaitMsg(ctx, res, uint64(cctx.Int("confidence")), lapi.LookbackNoLimit, true)
			if err != nil {
				return xerrors.Errorf("Timeout waiting for withdrawal message %s", res)
			}

			if wait.Receipt.ExitCode.IsError() {
				return xerrors.Errorf("Failed to execute withdrawal message %s: %w", wait.Message, wait.Receipt.ExitCode.Error())
			}

			nv, err := api.StateNetworkVersion(ctx, wait.TipSet)
			if err != nil {
				return err
			}

			if nv >= network.Version14 {
				var withdrawn abi.TokenAmount
				if err := withdrawn.UnmarshalCBOR(bytes.NewReader(wait.Receipt.Return)); err != nil {
					return err
				}

				fmt.Printf("Successfully withdrew %s \n", types.FIL(withdrawn))
				if withdrawn.LessThan(amount) {
					fmt.Printf("Note that this is less than the requested amount of %s\n", types.FIL(amount))
				}
			}

			return nil
		},
	}
}

func ActorSetAddrsCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "set-addresses",
		Aliases:   []string{"set-addrs"},
		Usage:     "set addresses that your miner can be publicly dialed on",
		ArgsUsage: "<multiaddrs>",
		Flags: []cli.Flag{
			&cli.StringFlag{
				Name:  "from",
				Usage: "optionally specify the account to send the message from",
			},
			&cli.Int64Flag{
				Name:  "gas-limit",
				Usage: "set gas limit",
				Value: 0,
			},
			&cli.BoolFlag{
				Name:  "unset",
				Usage: "unset address",
				Value: false,
			},
		},
		Action: func(cctx *cli.Context) error {
			args := cctx.Args().Slice()
			unset := cctx.Bool("unset")
			if len(args) == 0 && !unset {
				return cli.ShowSubcommandHelp(cctx)
			}
			if len(args) > 0 && unset {
				return fmt.Errorf("unset can only be used with no arguments")
			}

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			var addrs []abi.Multiaddrs
			for _, a := range args {
				maddr, err := ma.NewMultiaddr(a)
				if err != nil {
					return fmt.Errorf("failed to parse %q as a multiaddr: %w", a, err)
				}

				maddrNop2p, strip := ma.SplitFunc(maddr, func(c ma.Component) bool {
					return c.Protocol().Code == ma.P_P2P
				})

				if strip != nil {
					fmt.Println("Stripping peerid ", strip, " from ", maddr)
				}
				addrs = append(addrs, maddrNop2p.Bytes())
			}

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			minfo, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			fromAddr := minfo.Worker
			if from := cctx.String("from"); from != "" {
				addr, err := address.NewFromString(from)
				if err != nil {
					return err
				}

				fromAddr = addr
			}

			fromId, err := api.StateLookupID(ctx, fromAddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			if !isController(minfo, fromId) {
				return xerrors.Errorf("sender isn't a controller of miner: %s", fromId)
			}

			params, err := actors.SerializeParams(&miner.ChangeMultiaddrsParams{NewMultiaddrs: addrs})
			if err != nil {
				return err
			}

			gasLimit := cctx.Int64("gas-limit")

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				To:       maddr,
				From:     fromId,
				Value:    types.NewInt(0),
				GasLimit: gasLimit,
				Method:   builtin.MethodsMiner.ChangeMultiaddrs,
				Params:   params,
			}, nil)
			if err != nil {
				return err
			}

			fmt.Printf("Requested multiaddrs change in message %s\n", smsg.Cid())
			return nil

		},
	}
}

func ActorSetPeeridCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "set-peer-id",
		Usage:     "set the peer id of your miner",
		ArgsUsage: "<peer id>",
		Flags: []cli.Flag{
			&cli.Int64Flag{
				Name:  "gas-limit",
				Usage: "set gas limit",
				Value: 0,
			},
		},
		Action: func(cctx *cli.Context) error {

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			if cctx.NArg() != 1 {
				return lcli.IncorrectNumArgs(cctx)
			}

			pid, err := peer.Decode(cctx.Args().Get(0))
			if err != nil {
				return fmt.Errorf("failed to parse input as a peerId: %w", err)
			}

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			minfo, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			params, err := actors.SerializeParams(&miner.ChangePeerIDParams{NewID: abi.PeerID(pid)})
			if err != nil {
				return err
			}

			gasLimit := cctx.Int64("gas-limit")

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				To:       maddr,
				From:     minfo.Worker,
				Value:    types.NewInt(0),
				GasLimit: gasLimit,
				Method:   builtin.MethodsMiner.ChangePeerID,
				Params:   params,
			}, nil)
			if err != nil {
				return err
			}

			fmt.Printf("Requested peerid change in message %s\n", smsg.Cid())
			return nil

		},
	}
}

func ActorRepayDebtCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "repay-debt",
		Usage:     "pay down a miner's debt",
		ArgsUsage: "[amount (FIL)]",
		Flags: []cli.Flag{
			&cli.StringFlag{
				Name:  "from",
				Usage: "optionally specify the account to send funds from",
			},
		},
		Action: func(cctx *cli.Context) error {
			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			var amount abi.TokenAmount
			if cctx.Args().Present() {
				f, err := types.ParseFIL(cctx.Args().First())
				if err != nil {
					return xerrors.Errorf("parsing 'amount' argument: %w", err)
				}

				amount = abi.TokenAmount(f)
			} else {
				mact, err := api.StateGetActor(ctx, maddr, types.EmptyTSK)
				if err != nil {
					return err
				}

				store := adt.WrapStore(ctx, cbor.NewCborStore(blockstore.NewAPIBlockstore(api)))

				mst, err := lminer.Load(store, mact)
				if err != nil {
					return err
				}

				amount, err = mst.FeeDebt()
				if err != nil {
					return err
				}

			}

			fromAddr := mi.Worker
			if from := cctx.String("from"); from != "" {
				addr, err := address.NewFromString(from)
				if err != nil {
					return err
				}

				fromAddr = addr
			}

			fromId, err := api.StateLookupID(ctx, fromAddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			if !isController(mi, fromId) {
				return xerrors.Errorf("sender isn't a controller of miner: %s", fromId)
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				To:     maddr,
				From:   fromId,
				Value:  amount,
				Method: builtin.MethodsMiner.RepayDebt,
				Params: nil,
			}, nil)
			if err != nil {
				return err
			}

			fmt.Printf("Sent repay debt message %s\n", smsg.Cid())

			return nil
		},
	}
}

func ActorControlCmd(getActor ActorAddressGetter, actorControlListCmd *cli.Command) *cli.Command {
	return &cli.Command{
		Name:  "control",
		Usage: "Manage control addresses",
		Subcommands: []*cli.Command{
			actorControlListCmd,
			actorControlSet(getActor),
		},
	}
}

func actorControlSet(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "set",
		Usage:     "Set control address(-es)",
		ArgsUsage: "[...address]",
		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:  "really-do-it",
				Usage: "Actually send transaction performing the action",
				Value: false,
			},
		},
		Action: func(cctx *cli.Context) error {

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			del := map[address.Address]struct{}{}
			existing := map[address.Address]struct{}{}
			for _, controlAddress := range mi.ControlAddresses {
				ka, err := api.StateAccountKey(ctx, controlAddress, types.EmptyTSK)
				if err != nil {
					return err
				}

				del[ka] = struct{}{}
				existing[ka] = struct{}{}
			}

			var toSet []address.Address

			for i, as := range cctx.Args().Slice() {
				a, err := address.NewFromString(as)
				if err != nil {
					return xerrors.Errorf("parsing address %d: %w", i, err)
				}

				ka, err := api.StateAccountKey(ctx, a, types.EmptyTSK)
				if err != nil {
					return err
				}

				// make sure the address exists on chain
				_, err = api.StateLookupID(ctx, ka, types.EmptyTSK)
				if err != nil {
					return xerrors.Errorf("looking up %s: %w", ka, err)
				}

				delete(del, ka)
				toSet = append(toSet, ka)
			}

			for a := range del {
				fmt.Println("Remove", a)
			}
			for _, a := range toSet {
				if _, exists := existing[a]; !exists {
					fmt.Println("Add", a)
				}
			}

			if !cctx.Bool("really-do-it") {
				fmt.Println("Pass --really-do-it to actually execute this action")
				return nil
			}

			cwp := &miner.ChangeWorkerAddressParams{
				NewWorker:       mi.Worker,
				NewControlAddrs: toSet,
			}

			sp, err := actors.SerializeParams(cwp)
			if err != nil {
				return xerrors.Errorf("serializing params: %w", err)
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				From:   mi.Owner,
				To:     maddr,
				Method: builtin.MethodsMiner.ChangeWorkerAddress,

				Value:  big.Zero(),
				Params: sp,
			}, nil)
			if err != nil {
				return xerrors.Errorf("mpool push: %w", err)
			}

			fmt.Println("Message CID:", smsg.Cid())

			return nil
		},
	}
}

func ActorSetOwnerCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "set-owner",
		Usage:     "Set owner address (this command should be invoked twice, first with the old owner as the senderAddress, and then with the new owner)",
		ArgsUsage: "[newOwnerAddress senderAddress]",
		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:  "really-do-it",
				Usage: "Actually send transaction performing the action",
				Value: false,
			},
		},
		Action: func(cctx *cli.Context) error {
			if cctx.NArg() != 2 {
				return lcli.IncorrectNumArgs(cctx)
			}

			if !cctx.Bool("really-do-it") {
				fmt.Println("Pass --really-do-it to actually execute this action")
				return nil
			}

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			na, err := address.NewFromString(cctx.Args().First())
			if err != nil {
				return err
			}

			newAddrId, err := api.StateLookupID(ctx, na, types.EmptyTSK)
			if err != nil {
				return err
			}

			fa, err := address.NewFromString(cctx.Args().Get(1))
			if err != nil {
				return err
			}

			fromAddrId, err := api.StateLookupID(ctx, fa, types.EmptyTSK)
			if err != nil {
				return err
			}

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			if fromAddrId != mi.Owner && fromAddrId != newAddrId {
				return xerrors.New("from address must either be the old owner or the new owner")
			}

			sp, err := actors.SerializeParams(&newAddrId)
			if err != nil {
				return xerrors.Errorf("serializing params: %w", err)
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				From:   fromAddrId,
				To:     maddr,
				Method: builtin.MethodsMiner.ChangeOwnerAddress,
				Value:  big.Zero(),
				Params: sp,
			}, nil)
			if err != nil {
				return xerrors.Errorf("mpool push: %w", err)
			}

			fmt.Println("Message CID:", smsg.Cid())

			// wait for it to get mined into a block
			wait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
			if err != nil {
				return err
			}

			// check it executed successfully
			if wait.Receipt.ExitCode.IsError() {
				fmt.Println("owner change failed!")
				return err
			}

			fmt.Println("message succeeded!")

			return nil
		},
	}
}

func ActorProposeChangeWorkerCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "propose-change-worker",
		Usage:     "Propose a worker address change",
		ArgsUsage: "[address]",
		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:  "really-do-it",
				Usage: "Actually send transaction performing the action",
				Value: false,
			},
		},
		Action: func(cctx *cli.Context) error {
			if !cctx.Args().Present() {
				return fmt.Errorf("must pass address of new worker address")
			}

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			na, err := address.NewFromString(cctx.Args().First())
			if err != nil {
				return err
			}

			newAddr, err := api.StateLookupID(ctx, na, types.EmptyTSK)
			if err != nil {
				return err
			}

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			if mi.NewWorker.Empty() {
				if mi.Worker == newAddr {
					return fmt.Errorf("worker address already set to %s", na)
				}
			} else {
				if mi.NewWorker == newAddr {
					return fmt.Errorf("change to worker address %s already pending", na)
				}
			}

			if !cctx.Bool("really-do-it") {
				fmt.Fprintln(cctx.App.Writer, "Pass --really-do-it to actually execute this action")
				return nil
			}

			cwp := &miner.ChangeWorkerAddressParams{
				NewWorker:       newAddr,
				NewControlAddrs: mi.ControlAddresses,
			}

			sp, err := actors.SerializeParams(cwp)
			if err != nil {
				return xerrors.Errorf("serializing params: %w", err)
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				From:   mi.Owner,
				To:     maddr,
				Method: builtin.MethodsMiner.ChangeWorkerAddress,
				Value:  big.Zero(),
				Params: sp,
			}, nil)
			if err != nil {
				return xerrors.Errorf("mpool push: %w", err)
			}

			fmt.Fprintln(cctx.App.Writer, "Propose Message CID:", smsg.Cid())

			// wait for it to get mined into a block
			wait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
			if err != nil {
				return err
			}

			// check it executed successfully
			if wait.Receipt.ExitCode.IsError() {
				return fmt.Errorf("propose worker change failed")
			}

			mi, err = api.StateMinerInfo(ctx, maddr, wait.TipSet)
			if err != nil {
				return err
			}
			if mi.NewWorker != newAddr {
				return fmt.Errorf("Proposed worker address change not reflected on chain: expected '%s', found '%s'", na, mi.NewWorker)
			}

			fmt.Fprintf(cctx.App.Writer, "Worker key change to %s successfully sent, change happens at height %d.\n", na, mi.WorkerChangeEpoch)
			fmt.Fprintf(cctx.App.Writer, "If you have no active deadlines, call 'confirm-change-worker' at or after height %d to complete.\n", mi.WorkerChangeEpoch)

			return nil
		},
	}
}

func ActorProposeChangeBeneficiaryCmd(getActor ActorAddressGetter) *cli.Command {

	return &cli.Command{
		Name:      "propose-change-beneficiary",
		Usage:     "Propose a beneficiary address change",
		ArgsUsage: "[beneficiaryAddress quota expiration]",
		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:  "really-do-it",
				Usage: "Actually send transaction performing the action",
				Value: false,
			},
			&cli.BoolFlag{
				Name:  "overwrite-pending-change",
				Usage: "Overwrite the current beneficiary change proposal",
				Value: false,
			},
			&cli.StringFlag{
				Name:  "actor",
				Usage: "specify the address of miner actor",
			},
		},
		Action: func(cctx *cli.Context) error {
			if cctx.NArg() != 3 {
				return lcli.IncorrectNumArgs(cctx)
			}

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return xerrors.Errorf("getting fullnode api: %w", err)
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			na, err := address.NewFromString(cctx.Args().Get(0))
			if err != nil {
				return xerrors.Errorf("parsing beneficiary address: %w", err)
			}

			newAddr, err := api.StateLookupID(ctx, na, types.EmptyTSK)
			if err != nil {
				return xerrors.Errorf("looking up new beneficiary address: %w", err)
			}

			quota, err := types.ParseFIL(cctx.Args().Get(1))
			if err != nil {
				return xerrors.Errorf("parsing quota: %w", err)
			}

			expiration, err := strconv.ParseInt(cctx.Args().Get(2), 10, 64)
			if err != nil {
				return xerrors.Errorf("parsing expiration: %w", err)
			}

			maddr, err := getActor(cctx)
			if err != nil {
				return xerrors.Errorf("getting miner address: %w", err)
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return xerrors.Errorf("getting miner info: %w", err)
			}

			if mi.Beneficiary == mi.Owner && newAddr == mi.Owner {
				return fmt.Errorf("beneficiary %s already set to owner address", mi.Beneficiary)
			}

			if mi.PendingBeneficiaryTerm != nil {
				fmt.Println("WARNING: replacing Pending Beneficiary Term of:")
				fmt.Println("Beneficiary: ", mi.PendingBeneficiaryTerm.NewBeneficiary)
				fmt.Println("Quota:", mi.PendingBeneficiaryTerm.NewQuota)
				fmt.Println("Expiration Epoch:", mi.PendingBeneficiaryTerm.NewExpiration)

				if !cctx.Bool("overwrite-pending-change") {
					return fmt.Errorf("must pass --overwrite-pending-change to replace current pending beneficiary change. Please review CAREFULLY")
				}
			}

			if !cctx.Bool("really-do-it") {
				fmt.Println("Pass --really-do-it to actually execute this action. Review what you're about to approve CAREFULLY please")
				return nil
			}

			params := &miner.ChangeBeneficiaryParams{
				NewBeneficiary: newAddr,
				NewQuota:       abi.TokenAmount(quota),
				NewExpiration:  abi.ChainEpoch(expiration),
			}

			sp, err := actors.SerializeParams(params)
			if err != nil {
				return xerrors.Errorf("serializing params: %w", err)
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				From:   mi.Owner,
				To:     maddr,
				Method: builtin.MethodsMiner.ChangeBeneficiary,
				Value:  big.Zero(),
				Params: sp,
			}, nil)
			if err != nil {
				return xerrors.Errorf("mpool push: %w", err)
			}

			fmt.Println("Propose Message CID:", smsg.Cid())

			// wait for it to get mined into a block
			wait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
			if err != nil {
				return xerrors.Errorf("waiting for message to be included in block: %w", err)
			}

			// check it executed successfully
			if wait.Receipt.ExitCode.IsError() {
				return fmt.Errorf("propose beneficiary change failed")
			}

			updatedMinerInfo, err := api.StateMinerInfo(ctx, maddr, wait.TipSet)
			if err != nil {
				return xerrors.Errorf("getting miner info: %w", err)
			}

			if updatedMinerInfo.PendingBeneficiaryTerm == nil && updatedMinerInfo.Beneficiary == newAddr {
				fmt.Println("Beneficiary address successfully changed")
			} else {
				fmt.Println("Beneficiary address change awaiting additional confirmations")
			}

			return nil
		},
	}
}

func ActorConfirmChangeWorkerCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "confirm-change-worker",
		Usage:     "Confirm a worker address change",
		ArgsUsage: "[address]",
		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:  "really-do-it",
				Usage: "Actually send transaction performing the action",
				Value: false,
			},
		},
		Action: func(cctx *cli.Context) error {
			if !cctx.Args().Present() {
				return fmt.Errorf("must pass address of new worker address")
			}

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			na, err := address.NewFromString(cctx.Args().First())
			if err != nil {
				return err
			}

			newAddr, err := api.StateLookupID(ctx, na, types.EmptyTSK)
			if err != nil {
				return err
			}

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			if mi.NewWorker.Empty() {
				return xerrors.Errorf("no worker key change proposed")
			} else if mi.NewWorker != newAddr {
				return xerrors.Errorf("worker key %s does not match current worker key proposal %s", newAddr, mi.NewWorker)
			}

			if head, err := api.ChainHead(ctx); err != nil {
				return xerrors.Errorf("failed to get the chain head: %w", err)
			} else if head.Height() < mi.WorkerChangeEpoch {
				return xerrors.Errorf("worker key change cannot be confirmed until %d, current height is %d", mi.WorkerChangeEpoch, head.Height())
			}

			if !cctx.Bool("really-do-it") {
				fmt.Println("Pass --really-do-it to actually execute this action")
				return nil
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				From:   mi.Owner,
				To:     maddr,
				Method: builtin.MethodsMiner.ConfirmChangeWorkerAddress,
				Value:  big.Zero(),
			}, nil)
			if err != nil {
				return xerrors.Errorf("mpool push: %w", err)
			}

			fmt.Println("Confirm Message CID:", smsg.Cid())

			// wait for it to get mined into a block
			wait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
			if err != nil {
				return err
			}

			// check it executed successfully
			if wait.Receipt.ExitCode.IsError() {
				fmt.Fprintln(cctx.App.Writer, "Worker change failed!")
				return err
			}

			mi, err = api.StateMinerInfo(ctx, maddr, wait.TipSet)
			if err != nil {
				return err
			}
			if mi.Worker != newAddr {
				return fmt.Errorf("Confirmed worker address change not reflected on chain: expected '%s', found '%s'", newAddr, mi.Worker)
			}

			return nil
		},
	}
}

func ActorConfirmChangeBeneficiaryCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:      "confirm-change-beneficiary",
		Usage:     "Confirm a beneficiary address change",
		ArgsUsage: "[minerID]",
		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:  "really-do-it",
				Usage: "Actually send transaction performing the action",
				Value: false,
			},
			&cli.BoolFlag{
				Name:  "existing-beneficiary",
				Usage: "send confirmation from the existing beneficiary address",
			},
			&cli.BoolFlag{
				Name:  "new-beneficiary",
				Usage: "send confirmation from the new beneficiary address",
			},
		},
		Action: func(cctx *cli.Context) error {
			if cctx.NArg() != 1 {
				return lcli.IncorrectNumArgs(cctx)
			}

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return xerrors.Errorf("getting fullnode api: %w", err)
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			maddr, err := address.NewFromString(cctx.Args().First())
			if err != nil {
				return xerrors.Errorf("parsing beneficiary address: %w", err)
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return xerrors.Errorf("getting miner info: %w", err)
			}

			if mi.PendingBeneficiaryTerm == nil {
				return fmt.Errorf("no pending beneficiary term found for miner %s", maddr)
			}

			if (cctx.IsSet("existing-beneficiary") && cctx.IsSet("new-beneficiary")) || (!cctx.IsSet("existing-beneficiary") && !cctx.IsSet("new-beneficiary")) {
				return lcli.ShowHelp(cctx, fmt.Errorf("must pass exactly one of --existing-beneficiary or --new-beneficiary"))
			}

			var fromAddr address.Address
			if cctx.IsSet("existing-beneficiary") {
				if mi.PendingBeneficiaryTerm.ApprovedByBeneficiary {
					return fmt.Errorf("beneficiary change already approved by current beneficiary")
				}
				fromAddr = mi.Beneficiary
			} else {
				if mi.PendingBeneficiaryTerm.ApprovedByNominee {
					return fmt.Errorf("beneficiary change already approved by new beneficiary")
				}
				fromAddr = mi.PendingBeneficiaryTerm.NewBeneficiary
			}

			fmt.Println("Confirming Pending Beneficiary Term of:")
			fmt.Println("Beneficiary: ", mi.PendingBeneficiaryTerm.NewBeneficiary)
			fmt.Println("Quota:", mi.PendingBeneficiaryTerm.NewQuota)
			fmt.Println("Expiration Epoch:", mi.PendingBeneficiaryTerm.NewExpiration)

			if !cctx.Bool("really-do-it") {
				fmt.Println("Pass --really-do-it to actually execute this action. Review what you're about to approve CAREFULLY please")
				return nil
			}

			params := &miner.ChangeBeneficiaryParams{
				NewBeneficiary: mi.PendingBeneficiaryTerm.NewBeneficiary,
				NewQuota:       mi.PendingBeneficiaryTerm.NewQuota,
				NewExpiration:  mi.PendingBeneficiaryTerm.NewExpiration,
			}

			sp, err := actors.SerializeParams(params)
			if err != nil {
				return xerrors.Errorf("serializing params: %w", err)
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				From:   fromAddr,
				To:     maddr,
				Method: builtin.MethodsMiner.ChangeBeneficiary,
				Value:  big.Zero(),
				Params: sp,
			}, nil)
			if err != nil {
				return xerrors.Errorf("mpool push: %w", err)
			}

			fmt.Println("Confirm Message CID:", smsg.Cid())

			// wait for it to get mined into a block
			wait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
			if err != nil {
				return xerrors.Errorf("waiting for message to be included in block: %w", err)
			}

			// check it executed successfully
			if wait.Receipt.ExitCode.IsError() {
				return fmt.Errorf("confirm beneficiary change failed with code %d", wait.Receipt.ExitCode)
			}

			updatedMinerInfo, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			if updatedMinerInfo.PendingBeneficiaryTerm == nil && updatedMinerInfo.Beneficiary == mi.PendingBeneficiaryTerm.NewBeneficiary {
				fmt.Println("Beneficiary address successfully changed")
			} else {
				fmt.Println("Beneficiary address change awaiting additional confirmations")
			}

			return nil
		},
	}
}

func ActorCompactAllocatedCmd(getActor ActorAddressGetter) *cli.Command {
	return &cli.Command{
		Name:  "compact-allocated",
		Usage: "compact allocated sectors bitfield",
		Flags: []cli.Flag{
			&cli.Uint64Flag{
				Name:  "mask-last-offset",
				Usage: "Mask sector IDs from 0 to 'highest_allocated - offset'",
			},
			&cli.Uint64Flag{
				Name:  "mask-upto-n",
				Usage: "Mask sector IDs from 0 to 'n'",
			},
			&cli.BoolFlag{
				Name:  "really-do-it",
				Usage: "Actually send transaction performing the action",
				Value: false,
			},
		},
		Action: func(cctx *cli.Context) error {
			if !cctx.Bool("really-do-it") {
				fmt.Println("Pass --really-do-it to actually execute this action")
				return nil
			}

			if !cctx.Args().Present() {
				return xerrors.Errorf("must pass address of new owner address")
			}

			api, acloser, err := lcli.GetFullNodeAPI(cctx)
			if err != nil {
				return err
			}
			defer acloser()

			ctx := lcli.ReqContext(cctx)

			maddr, err := getActor(cctx)
			if err != nil {
				return err
			}

			mact, err := api.StateGetActor(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			store := adt.WrapStore(ctx, cbor.NewCborStore(blockstore.NewAPIBlockstore(api)))

			mst, err := lminer.Load(store, mact)
			if err != nil {
				return err
			}

			allocs, err := mst.GetAllocatedSectors()
			if err != nil {
				return err
			}

			var maskBf bitfield.BitField

			{
				exclusiveFlags := []string{"mask-last-offset", "mask-upto-n"}
				hasFlag := false
				for _, f := range exclusiveFlags {
					if hasFlag && cctx.IsSet(f) {
						return xerrors.Errorf("more than one 'mask` flag set")
					}
					hasFlag = hasFlag || cctx.IsSet(f)
				}
			}
			switch {
			case cctx.IsSet("mask-last-offset"):
				last, err := allocs.Last()
				if err != nil {
					return err
				}

				m := cctx.Uint64("mask-last-offset")
				if last <= m+1 {
					return xerrors.Errorf("highest allocated sector lower than mask offset %d: %d", m+1, last)
				}
				// securty to not brick a miner
				if last > 1<<60 {
					return xerrors.Errorf("very high last sector number, refusing to mask: %d", last)
				}

				maskBf, err = bitfield.NewFromIter(&rlepluslazy.RunSliceIterator{
					Runs: []rlepluslazy.Run{{Val: true, Len: last - m}}})
				if err != nil {
					return xerrors.Errorf("forming bitfield: %w", err)
				}
			case cctx.IsSet("mask-upto-n"):
				n := cctx.Uint64("mask-upto-n")
				maskBf, err = bitfield.NewFromIter(&rlepluslazy.RunSliceIterator{
					Runs: []rlepluslazy.Run{{Val: true, Len: n}}})
				if err != nil {
					return xerrors.Errorf("forming bitfield: %w", err)
				}
			default:
				return xerrors.Errorf("no 'mask' flags set")
			}

			mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
			if err != nil {
				return err
			}

			params := &miner.CompactSectorNumbersParams{
				MaskSectorNumbers: maskBf,
			}

			sp, err := actors.SerializeParams(params)
			if err != nil {
				return xerrors.Errorf("serializing params: %w", err)
			}

			smsg, err := api.MpoolPushMessage(ctx, &types.Message{
				From:   mi.Worker,
				To:     maddr,
				Method: builtin.MethodsMiner.CompactSectorNumbers,
				Value:  big.Zero(),
				Params: sp,
			}, nil)
			if err != nil {
				return xerrors.Errorf("mpool push: %w", err)
			}

			fmt.Println("CompactSectorNumbers Message CID:", smsg.Cid())

			// wait for it to get mined into a block
			wait, err := api.StateWaitMsg(ctx, smsg.Cid(), build.MessageConfidence)
			if err != nil {
				return err
			}

			// check it executed successfully
			if wait.Receipt.ExitCode.IsError() {
				fmt.Println("Sector Bitfield compaction failed")
				return err
			}

			return nil
		},
	}
}

func isController(mi lapi.MinerInfo, addr address.Address) bool {
	if addr == mi.Owner || addr == mi.Worker {
		return true
	}

	for _, ca := range mi.ControlAddresses {
		if addr == ca {
			return true
		}
	}

	return false
}

var ActorNewMinerCmd = &cli.Command{
	Name:  "new-miner",
	Usage: "Initializes a new miner actor",
	Flags: []cli.Flag{
		&cli.StringFlag{
			Name:    "worker",
			Aliases: []string{"w"},
			Usage:   "worker key to use for new miner initialisation",
		},
		&cli.StringFlag{
			Name:    "owner",
			Aliases: []string{"o"},
			Usage:   "owner key to use for new miner initialisation",
		},
		&cli.StringFlag{
			Name:    "from",
			Aliases: []string{"f"},
			Usage:   "address to send actor(miner) creation message from",
		},
		&cli.StringFlag{
			Name:  "sector-size",
			Usage: "specify sector size to use for new miner initialisation",
		},
	},
	Action: func(cctx *cli.Context) error {
		ctx := cctx.Context

		full, closer, err := cliutil.GetFullNodeAPIV1(cctx)
		if err != nil {
			return xerrors.Errorf("connecting to full node: %w", err)
		}
		defer closer()

		var owner address.Address
		if cctx.String("owner") == "" {
			return xerrors.Errorf("must provide a owner address")
		}
		owner, err = address.NewFromString(cctx.String("owner"))

		if err != nil {
			return err
		}

		worker := owner
		if cctx.String("worker") != "" {
			worker, err = address.NewFromString(cctx.String("worker"))
			if err != nil {
				return xerrors.Errorf("could not parse worker address: %w", err)
			}
		}

		sender := owner
		if fromstr := cctx.String("from"); fromstr != "" {
			faddr, err := address.NewFromString(fromstr)
			if err != nil {
				return xerrors.Errorf("could not parse from address: %w", err)
			}
			sender = faddr
		}

		if !cctx.IsSet("sector-size") {
			return xerrors.Errorf("must define sector size")
		}

		sectorSizeInt, err := units.RAMInBytes(cctx.String("sector-size"))
		if err != nil {
			return err
		}
		ssize := abi.SectorSize(sectorSizeInt)

		_, err = CreateStorageMiner(ctx, full, owner, worker, sender, ssize, cctx.Uint64("confidence"))
		if err != nil {
			return err
		}
		return nil
	},
}

func CreateStorageMiner(ctx context.Context, fullNode v1api.FullNode, owner, worker, sender address.Address, ssize abi.SectorSize, confidence uint64) (address.Address, error) {
	// make sure the sender account exists on chain
	_, err := fullNode.StateLookupID(ctx, owner, types.EmptyTSK)
	if err != nil {
		return address.Undef, xerrors.Errorf("sender must exist on chain: %w", err)
	}

	// make sure the worker account exists on chain
	_, err = fullNode.StateLookupID(ctx, worker, types.EmptyTSK)
	if err != nil {
		signed, err := fullNode.MpoolPushMessage(ctx, &types.Message{
			From:  sender,
			To:    worker,
			Value: types.NewInt(0),
		}, nil)
		if err != nil {
			return address.Undef, xerrors.Errorf("push worker init: %w", err)
		}

		fmt.Printf("Initializing worker account %s, message: %s\n", worker, signed.Cid())
		fmt.Println("Waiting for confirmation")

		mw, err := fullNode.StateWaitMsg(ctx, signed.Cid(), confidence, 2000, true)
		if err != nil {
			return address.Undef, xerrors.Errorf("waiting for worker init: %w", err)
		}
		if mw.Receipt.ExitCode != 0 {
			return address.Undef, xerrors.Errorf("initializing worker account failed: exit code %d", mw.Receipt.ExitCode)
		}
	}

	// make sure the owner account exists on chain
	_, err = fullNode.StateLookupID(ctx, owner, types.EmptyTSK)
	if err != nil {
		signed, err := fullNode.MpoolPushMessage(ctx, &types.Message{
			From:  sender,
			To:    owner,
			Value: types.NewInt(0),
		}, nil)
		if err != nil {
			return address.Undef, xerrors.Errorf("push owner init: %w", err)
		}

		fmt.Printf("Initializing owner account %s, message: %s\n", worker, signed.Cid())
		fmt.Println("Waiting for confirmation")

		mw, err := fullNode.StateWaitMsg(ctx, signed.Cid(), confidence, 2000, true)
		if err != nil {
			return address.Undef, xerrors.Errorf("waiting for owner init: %w", err)
		}
		if mw.Receipt.ExitCode != 0 {
			return address.Undef, xerrors.Errorf("initializing owner account failed: exit code %d", mw.Receipt.ExitCode)
		}
	}

	// Note: the correct thing to do would be to call SealProofTypeFromSectorSize if actors version is v3 or later, but this still works
	nv, err := fullNode.StateNetworkVersion(ctx, types.EmptyTSK)
	if err != nil {
		return address.Undef, xerrors.Errorf("failed to get network version: %w", err)
	}
	spt, err := lminer.WindowPoStProofTypeFromSectorSize(ssize, nv)
	if err != nil {
		return address.Undef, xerrors.Errorf("getting post proof type: %w", err)
	}

	params, err := actors.SerializeParams(&power6.CreateMinerParams{
		Owner:               owner,
		Worker:              worker,
		WindowPoStProofType: spt,
	})
	if err != nil {
		return address.Undef, err
	}

	createStorageMinerMsg := &types.Message{
		To:    power.Address,
		From:  sender,
		Value: big.Zero(),

		Method: power.Methods.CreateMiner,
		Params: params,
	}

	signed, err := fullNode.MpoolPushMessage(ctx, createStorageMinerMsg, nil)
	if err != nil {
		return address.Undef, xerrors.Errorf("pushing createMiner message: %w", err)
	}

	fmt.Printf("Pushed CreateMiner message: %s\n", signed.Cid())
	fmt.Println("Waiting for confirmation")

	mw, err := fullNode.StateWaitMsg(ctx, signed.Cid(), confidence, 2000, true)
	if err != nil {
		return address.Undef, xerrors.Errorf("waiting for createMiner message: %w", err)
	}

	if mw.Receipt.ExitCode != 0 {
		return address.Undef, xerrors.Errorf("create miner failed: exit code %d", mw.Receipt.ExitCode)
	}

	var retval power2.CreateMinerReturn
	if err := retval.UnmarshalCBOR(bytes.NewReader(mw.Receipt.Return)); err != nil {
		return address.Undef, err
	}

	fmt.Printf("New miners address is: %s (%s)\n", retval.IDAddress, retval.RobustAddress)
	return retval.IDAddress, nil
}