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ledger.go
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ledger.go
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package main
import (
"encoding/json"
"fmt"
"strconv"
"strings"
"github.com/filecoin-project/lotus/api/v0api"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/go-state-types/crypto"
"github.com/urfave/cli/v2"
ledgerfil "github.com/whyrusleeping/ledger-filecoin-go"
"github.com/filecoin-project/lotus/chain/types"
ledgerwallet "github.com/filecoin-project/lotus/chain/wallet/ledger"
lcli "github.com/filecoin-project/lotus/cli"
)
var ledgerCmd = &cli.Command{
Name: "ledger",
Usage: "Ledger interactions",
Flags: []cli.Flag{},
Subcommands: []*cli.Command{
ledgerListAddressesCmd,
ledgerKeyInfoCmd,
ledgerSignTestCmd,
ledgerShowCmd,
},
}
const hdHard = 0x80000000
var ledgerListAddressesCmd = &cli.Command{
Name: "list",
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "print-balances",
Usage: "print balances",
Aliases: []string{"b"},
},
},
Action: func(cctx *cli.Context) error {
var api v0api.FullNode
if cctx.Bool("print-balances") {
a, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
api = a
defer closer()
}
ctx := lcli.ReqContext(cctx)
fl, err := ledgerfil.FindLedgerFilecoinApp()
if err != nil {
return err
}
defer fl.Close() // nolint
end := 20
for i := 0; i < end; i++ {
if err := ctx.Err(); err != nil {
return err
}
p := []uint32{hdHard | 44, hdHard | 461, hdHard, 0, uint32(i)}
pubk, err := fl.GetPublicKeySECP256K1(p)
if err != nil {
return err
}
addr, err := address.NewSecp256k1Address(pubk)
if err != nil {
return err
}
if cctx.Bool("print-balances") && api != nil { // api check makes linter happier
a, err := api.StateGetActor(ctx, addr, types.EmptyTSK)
if err != nil {
if strings.Contains(err.Error(), "actor not found") {
a = nil
} else {
return err
}
}
balance := big.Zero()
if a != nil {
balance = a.Balance
end = i + 20 + 1
}
fmt.Printf("%s %s %s\n", addr, printHDPath(p), types.FIL(balance))
} else {
fmt.Printf("%s %s\n", addr, printHDPath(p))
}
}
return nil
},
}
func parseHDPath(s string) ([]uint32, error) {
parts := strings.Split(s, "/")
if parts[0] != "m" {
return nil, fmt.Errorf("expected HD path to start with 'm'")
}
var out []uint32
for _, p := range parts[1:] {
var hard bool
if strings.HasSuffix(p, "'") {
p = p[:len(p)-1]
hard = true
}
v, err := strconv.ParseUint(p, 10, 32)
if err != nil {
return nil, err
}
if v >= hdHard {
return nil, fmt.Errorf("path element %s too large", p)
}
if hard {
v += hdHard
}
out = append(out, uint32(v))
}
return out, nil
}
func printHDPath(pth []uint32) string {
s := "m"
for _, p := range pth {
s += "/"
hard := p&hdHard != 0
p &^= hdHard // remove hdHard bit
s += fmt.Sprint(p)
if hard {
s += "'"
}
}
return s
}
var ledgerKeyInfoCmd = &cli.Command{
Name: "key-info",
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "verbose",
Aliases: []string{"v"},
},
},
Action: func(cctx *cli.Context) error {
if !cctx.Args().Present() {
return cli.ShowCommandHelp(cctx, cctx.Command.Name)
}
fl, err := ledgerfil.FindLedgerFilecoinApp()
if err != nil {
return err
}
defer fl.Close() // nolint
p, err := parseHDPath(cctx.Args().First())
if err != nil {
return err
}
pubk, _, addr, err := fl.GetAddressPubKeySECP256K1(p)
if err != nil {
return err
}
if cctx.Bool("verbose") {
fmt.Println(addr)
fmt.Println(pubk)
}
a, err := address.NewFromString(addr)
if err != nil {
return err
}
var pd ledgerwallet.LedgerKeyInfo
pd.Address = a
pd.Path = p
b, err := json.Marshal(pd)
if err != nil {
return err
}
var ki types.KeyInfo
ki.Type = types.KTSecp256k1Ledger
ki.PrivateKey = b
out, err := json.Marshal(ki)
if err != nil {
return err
}
fmt.Println(string(out))
return nil
},
}
var ledgerSignTestCmd = &cli.Command{
Name: "sign",
Action: func(cctx *cli.Context) error {
if !cctx.Args().Present() {
return cli.ShowCommandHelp(cctx, cctx.Command.Name)
}
fl, err := ledgerfil.FindLedgerFilecoinApp()
if err != nil {
return err
}
p, err := parseHDPath(cctx.Args().First())
if err != nil {
return err
}
addr, err := address.NewFromString("f1xc3hws5n6y5m3m44gzb3gyjzhups6wzmhe663ji")
if err != nil {
return err
}
m := &types.Message{
To: addr,
From: addr,
}
b, err := m.ToStorageBlock()
if err != nil {
return err
}
fmt.Printf("Message: %x\n", b.RawData())
sig, err := fl.SignSECP256K1(p, b.RawData())
if err != nil {
return err
}
sigBytes := append([]byte{byte(crypto.SigTypeSecp256k1)}, sig.SignatureBytes()...)
fmt.Printf("Signature: %x\n", sigBytes)
return nil
},
}
var ledgerShowCmd = &cli.Command{
Name: "show",
ArgsUsage: "[hd path]",
Action: func(cctx *cli.Context) error {
if !cctx.Args().Present() {
return cli.ShowCommandHelp(cctx, cctx.Command.Name)
}
fl, err := ledgerfil.FindLedgerFilecoinApp()
if err != nil {
return err
}
defer fl.Close() // nolint
p, err := parseHDPath(cctx.Args().First())
if err != nil {
return err
}
_, _, a, err := fl.ShowAddressPubKeySECP256K1(p)
if err != nil {
return err
}
fmt.Println(a)
return nil
},
}