lotus/cli/multisig.go
2020-04-17 18:27:11 +02:00

466 lines
10 KiB
Go

package cli
import (
"bytes"
"context"
"encoding/binary"
"encoding/hex"
"fmt"
"os"
"sort"
"strconv"
"text/tabwriter"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/builtin"
init_ "github.com/filecoin-project/specs-actors/actors/builtin/init"
samsig "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
cid "github.com/ipfs/go-cid"
"github.com/ipfs/go-hamt-ipld"
cbor "github.com/ipfs/go-ipld-cbor"
cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
"gopkg.in/urfave/cli.v2"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/api/apibstore"
actors "github.com/filecoin-project/lotus/chain/actors"
types "github.com/filecoin-project/lotus/chain/types"
)
var multisigCmd = &cli.Command{
Name: "msig",
Usage: "Interact with a multisig wallet",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "source",
Usage: "specify the account to send propose from",
},
},
Subcommands: []*cli.Command{
msigCreateCmd,
msigInspectCmd,
msigProposeCmd,
msigApproveCmd,
},
}
var msigCreateCmd = &cli.Command{
Name: "create",
Usage: "Create a new multisig wallet",
ArgsUsage: "[address1 address2 ...]",
Flags: []cli.Flag{
&cli.Int64Flag{
Name: "required",
},
&cli.StringFlag{
Name: "value",
Usage: "initial funds to give to multisig",
Value: "0",
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
var addrs []address.Address
for _, a := range cctx.Args().Slice() {
addr, err := address.NewFromString(a)
if err != nil {
return err
}
addrs = append(addrs, addr)
}
// get the address we're going to use to create the multisig (can be one of the above, as long as they have funds)
sendAddr, err := api.WalletDefaultAddress(ctx)
if err != nil {
return err
}
val := cctx.String("value")
filval, err := types.ParseFIL(val)
if err != nil {
return err
}
required := cctx.Int64("required")
if required == 0 {
required = int64(len(addrs))
}
// Set up constructor parameters for multisig
msigParams := &samsig.ConstructorParams{
Signers: addrs,
NumApprovalsThreshold: required,
}
enc, err := actors.SerializeParams(msigParams)
if err != nil {
return err
}
// new actors are created by invoking 'exec' on the init actor with the constructor params
execParams := &init_.ExecParams{
CodeCID: builtin.MultisigActorCodeID,
ConstructorParams: enc,
}
enc, err = actors.SerializeParams(execParams)
if err != nil {
return err
}
// now we create the message to send this with
msg := types.Message{
To: builtin.InitActorAddr,
From: sendAddr,
Method: builtin.MethodsInit.Exec,
Params: enc,
GasPrice: types.NewInt(1),
GasLimit: 1000000,
Value: types.BigInt(filval),
}
// send the message out to the network
smsg, err := api.MpoolPushMessage(ctx, &msg)
if err != nil {
return err
}
// wait for it to get mined into a block
wait, err := api.StateWaitMsg(ctx, smsg.Cid())
if err != nil {
return err
}
// check it executed successfully
if wait.Receipt.ExitCode != 0 {
fmt.Println("actor creation failed!")
return err
}
// get address of newly created miner
var execreturn init_.ExecReturn
if err := execreturn.UnmarshalCBOR(bytes.NewReader(wait.Receipt.Return)); err != nil {
return err
}
fmt.Println("Created new multisig: ", execreturn.IDAddress, execreturn.RobustAddress)
// TODO: maybe register this somewhere
return nil
},
}
var msigInspectCmd = &cli.Command{
Name: "inspect",
Usage: "Inspect a multisig wallet",
ArgsUsage: "[address]",
Flags: []cli.Flag{},
Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
if !cctx.Args().Present() {
return fmt.Errorf("must specify address of multisig to inspect")
}
maddr, err := address.NewFromString(cctx.Args().First())
if err != nil {
return err
}
act, err := api.StateGetActor(ctx, maddr, types.EmptyTSK)
if err != nil {
return err
}
obj, err := api.ChainReadObj(ctx, act.Head)
if err != nil {
return err
}
var mstate samsig.State
if err := mstate.UnmarshalCBOR(bytes.NewReader(obj)); err != nil {
return err
}
fmt.Printf("Balance: %sfil\n", types.FIL(act.Balance))
fmt.Printf("Threshold: %d / %d\n", mstate.NumApprovalsThreshold, len(mstate.Signers))
fmt.Println("Signers:")
for _, s := range mstate.Signers {
fmt.Printf("\t%s\n", s)
}
pending, err := GetMultisigPending(ctx, api, mstate.PendingTxns)
if err != nil {
return fmt.Errorf("reading pending transactions: %w", err)
}
fmt.Println("Transactions: ", len(pending))
if len(pending) > 0 {
var txids []int64
for txid := range pending {
txids = append(txids, txid)
}
sort.Slice(txids, func(i, j int) bool {
return txids[i] < txids[j]
})
w := tabwriter.NewWriter(os.Stdout, 8, 4, 0, ' ', 0)
fmt.Fprintf(w, "ID\tState\tTo\tValue\tMethod\tParams\n")
for _, txid := range txids {
tx := pending[txid]
fmt.Fprintf(w, "%d\t%s\t%s\t%s\t%d\t%x\n", txid, state(tx), tx.To, types.FIL(tx.Value), tx.Method, tx.Params)
}
w.Flush()
}
return nil
},
}
func GetMultisigPending(ctx context.Context, lapi api.FullNode, hroot cid.Cid) (map[int64]*samsig.Transaction, error) {
bs := apibstore.NewAPIBlockstore(lapi)
cst := cbor.NewCborStore(bs)
nd, err := hamt.LoadNode(ctx, cst, hroot, hamt.UseTreeBitWidth(5))
if err != nil {
return nil, err
}
txs := make(map[int64]*samsig.Transaction)
err = nd.ForEach(ctx, func(k string, val interface{}) error {
d := val.(*cbg.Deferred)
var tx samsig.Transaction
if err := tx.UnmarshalCBOR(bytes.NewReader(d.Raw)); err != nil {
return err
}
txid, _ := binary.Varint([]byte(k))
txs[txid] = &tx
return nil
})
if err != nil {
return nil, xerrors.Errorf("failed to iterate transactions hamt: %w", err)
}
return txs, nil
}
func state(tx *samsig.Transaction) string {
/* // TODO(why): I strongly disagree with not having these... but i need to move forward
if tx.Complete {
return "done"
}
if tx.Canceled {
return "canceled"
}
*/
return "pending"
}
var msigProposeCmd = &cli.Command{
Name: "propose",
Usage: "Propose a multisig transaction",
ArgsUsage: "[multisigAddress destinationAddress value <methodName methodParams> (optional)]",
Flags: []cli.Flag{},
Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
if cctx.Args().Len() < 3 {
return fmt.Errorf("must pass multisig address, destination, and value")
}
if cctx.Args().Len() > 3 && cctx.Args().Len() != 5 {
return fmt.Errorf("usage: msig propose <msig addr> <desination> <value> [ <method> <params> ]")
}
msig, err := address.NewFromString(cctx.Args().Get(0))
if err != nil {
return err
}
dest, err := address.NewFromString(cctx.Args().Get(1))
if err != nil {
return err
}
value, err := types.ParseFIL(cctx.Args().Get(2))
if err != nil {
return err
}
var method uint64
var params []byte
if cctx.Args().Len() == 5 {
m, err := strconv.ParseUint(cctx.Args().Get(3), 10, 64)
if err != nil {
return err
}
method = m
p, err := hex.DecodeString(cctx.Args().Get(4))
if err != nil {
return err
}
params = p
}
enc, err := actors.SerializeParams(&samsig.ProposeParams{
To: dest,
Value: abi.TokenAmount(types.BigInt(value)),
Method: abi.MethodNum(method),
Params: params,
})
if err != nil {
return err
}
var from address.Address
if cctx.IsSet("source") {
f, err := address.NewFromString(cctx.String("source"))
if err != nil {
return err
}
from = f
} else {
defaddr, err := api.WalletDefaultAddress(ctx)
if err != nil {
return err
}
from = defaddr
}
msg := &types.Message{
To: msig,
From: from,
Value: types.NewInt(0),
Method: builtin.MethodsMultisig.Propose,
Params: enc,
GasLimit: 100000,
GasPrice: types.NewInt(1),
}
smsg, err := api.MpoolPushMessage(ctx, msg)
if err != nil {
return err
}
fmt.Println("send proposal in message: ", smsg.Cid())
wait, err := api.StateWaitMsg(ctx, smsg.Cid())
if err != nil {
return err
}
if wait.Receipt.ExitCode != 0 {
return fmt.Errorf("proposal returned exit %d", wait.Receipt.ExitCode)
}
_, v, err := cbg.CborReadHeader(bytes.NewReader(wait.Receipt.Return))
if err != nil {
return err
}
fmt.Printf("Transaction ID: %d\n", v)
return nil
},
}
var msigApproveCmd = &cli.Command{
Name: "approve",
Usage: "Approve a multisig message",
ArgsUsage: "[multisigAddress messageId]",
Flags: []cli.Flag{},
Action: func(cctx *cli.Context) error {
api, closer, err := GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := ReqContext(cctx)
if cctx.Args().Len() != 2 {
return fmt.Errorf("must pass multisig address and message ID")
}
msig, err := address.NewFromString(cctx.Args().Get(0))
if err != nil {
return err
}
txid, err := strconv.ParseUint(cctx.Args().Get(1), 10, 64)
if err != nil {
return err
}
enc, err := actors.SerializeParams(&samsig.TxnIDParams{
ID: samsig.TxnID(txid),
})
if err != nil {
return err
}
var from address.Address
if cctx.IsSet("source") {
f, err := address.NewFromString(cctx.String("source"))
if err != nil {
return err
}
from = f
} else {
defaddr, err := api.WalletDefaultAddress(ctx)
if err != nil {
return err
}
from = defaddr
}
msg := &types.Message{
To: msig,
From: from,
Value: types.NewInt(0),
Method: builtin.MethodsMultisig.Approve,
Params: enc,
GasLimit: 100000,
GasPrice: types.NewInt(1),
}
smsg, err := api.MpoolPushMessage(ctx, msg)
if err != nil {
return err
}
fmt.Println("sent approval in message: ", smsg.Cid())
wait, err := api.StateWaitMsg(ctx, smsg.Cid())
if err != nil {
return err
}
if wait.Receipt.ExitCode != 0 {
return fmt.Errorf("approve returned exit %d", wait.Receipt.ExitCode)
}
return nil
},
}