5733c71c50
We were ignoring quite a few error cases, and had one case where we weren't actually updating state where we wanted to. Unfortunately, if the linter doesn't pass, nobody has any reason to actually check lint failures in CI. There are three remaining XXXs marked in the code for lint.
371 lines
7.9 KiB
Go
371 lines
7.9 KiB
Go
package main
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import (
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"bufio"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"strings"
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"text/template"
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"github.com/urfave/cli/v2"
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"github.com/libp2p/go-libp2p-core/crypto"
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"github.com/libp2p/go-libp2p-core/peer"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/wallet"
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"github.com/filecoin-project/lotus/node/modules/lp2p"
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"github.com/filecoin-project/lotus/node/repo"
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_ "github.com/filecoin-project/lotus/lib/sigs/bls"
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_ "github.com/filecoin-project/lotus/lib/sigs/secp"
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)
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var validTypes = []string{wallet.KTBLS, wallet.KTSecp256k1, lp2p.KTLibp2pHost}
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type keyInfoOutput struct {
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Type string
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Address string
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PublicKey string
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}
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var keyinfoCmd = &cli.Command{
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Name: "keyinfo",
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Usage: "work with lotus keyinfo files (wallets and libp2p host keys)",
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Description: `The subcommands of keyinfo provide helpful tools for working with keyinfo files without
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having to run the lotus daemon.`,
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Subcommands: []*cli.Command{
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keyinfoNewCmd,
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keyinfoInfoCmd,
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keyinfoImportCmd,
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},
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}
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var keyinfoImportCmd = &cli.Command{
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Name: "import",
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Usage: "import a keyinfo file into a lotus repository",
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Description: `The import command provides a way to import keyfiles into a lotus repository
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without running the daemon.
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Note: The LOTUS_PATH directory must be created. This command will not create this directory for you.
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Examples
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env LOTUS_PATH=/var/lib/lotus lotus-shed keyinfo import libp2p-host.keyinfo`,
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Action: func(cctx *cli.Context) error {
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flagRepo := cctx.String("repo")
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var input io.Reader
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if cctx.Args().Len() == 0 {
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input = os.Stdin
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} else {
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var err error
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inputFile, err := os.Open(cctx.Args().First())
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if err != nil {
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return err
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}
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defer inputFile.Close() //nolint:errcheck
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input = bufio.NewReader(inputFile)
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}
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encoded, err := ioutil.ReadAll(input)
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if err != nil {
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return err
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}
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decoded, err := hex.DecodeString(strings.TrimSpace(string(encoded)))
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if err != nil {
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return err
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}
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var keyInfo types.KeyInfo
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if err := json.Unmarshal(decoded, &keyInfo); err != nil {
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return err
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}
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fsrepo, err := repo.NewFS(flagRepo)
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if err != nil {
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return err
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}
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lkrepo, err := fsrepo.Lock(repo.FullNode)
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if err != nil {
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return err
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}
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defer lkrepo.Close() //nolint:errcheck
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keystore, err := lkrepo.KeyStore()
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if err != nil {
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return err
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}
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switch keyInfo.Type {
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case lp2p.KTLibp2pHost:
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if err := keystore.Put(lp2p.KLibp2pHost, keyInfo); err != nil {
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return err
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}
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sk, err := crypto.UnmarshalPrivateKey(keyInfo.PrivateKey)
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if err != nil {
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return err
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}
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peerid, err := peer.IDFromPrivateKey(sk)
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if err != nil {
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return err
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}
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fmt.Printf("%s\n", peerid.String())
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break
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case wallet.KTSecp256k1, wallet.KTBLS:
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w, err := wallet.NewWallet(keystore)
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if err != nil {
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return err
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}
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addr, err := w.Import(&keyInfo)
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if err != nil {
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return err
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}
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fmt.Printf("%s\n", addr.String())
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}
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return nil
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},
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}
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var keyinfoInfoCmd = &cli.Command{
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Name: "info",
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Usage: "print information about a keyinfo file",
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Description: `The info command prints additional information about a key which can't easily
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be retrieved by inspecting the file itself.
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The 'format' flag takes a golang text/template template as its value.
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The following fields can be retrieved through this command
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Type
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Address
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PublicKey
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The PublicKey value will be printed base64 encoded using golangs StdEncoding
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Examples
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Retrieve the address of a lotus wallet
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lotus-shed keyinfo info --format '{{ .Address }}' wallet.keyinfo
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`,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "format",
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Value: "{{ .Type }} {{ .Address }}",
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Usage: "specify which output columns to print",
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},
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},
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Action: func(cctx *cli.Context) error {
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format := cctx.String("format")
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var input io.Reader
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if cctx.Args().Len() == 0 {
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input = os.Stdin
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} else {
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var err error
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inputFile, err := os.Open(cctx.Args().First())
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if err != nil {
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return err
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}
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defer inputFile.Close() //nolint:errcheck
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input = bufio.NewReader(inputFile)
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}
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encoded, err := ioutil.ReadAll(input)
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if err != nil {
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return err
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}
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decoded, err := hex.DecodeString(strings.TrimSpace(string(encoded)))
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if err != nil {
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return err
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}
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var keyInfo types.KeyInfo
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if err := json.Unmarshal(decoded, &keyInfo); err != nil {
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return err
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}
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var kio keyInfoOutput
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switch keyInfo.Type {
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case lp2p.KTLibp2pHost:
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kio.Type = keyInfo.Type
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sk, err := crypto.UnmarshalPrivateKey(keyInfo.PrivateKey)
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if err != nil {
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return err
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}
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pk := sk.GetPublic()
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peerid, err := peer.IDFromPrivateKey(sk)
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if err != nil {
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return err
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}
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pkBytes, err := pk.Raw()
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if err != nil {
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return err
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}
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kio.Address = peerid.String()
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kio.PublicKey = base64.StdEncoding.EncodeToString(pkBytes)
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break
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case wallet.KTSecp256k1, wallet.KTBLS:
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kio.Type = keyInfo.Type
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key, err := wallet.NewKey(keyInfo)
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if err != nil {
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return err
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}
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kio.Address = key.Address.String()
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kio.PublicKey = base64.StdEncoding.EncodeToString(key.PublicKey)
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}
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tmpl, err := template.New("output").Parse(format)
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if err != nil {
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return err
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}
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return tmpl.Execute(os.Stdout, kio)
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},
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}
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var keyinfoNewCmd = &cli.Command{
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Name: "new",
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Usage: "create a new keyinfo file of the provided type",
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ArgsUsage: "[bls|secp256k1|libp2p-host]",
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Description: `Keyinfo files are base16 encoded json structures containing a type
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string value, and a base64 encoded private key.
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Both the bls and secp256k1 keyfiles can be imported into a running lotus daemon using
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the 'lotus wallet import' command. Or imported to a non-running / unitialized repo using
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the 'lotus-shed keyinfo import' command. Libp2p host keys can only be imported using lotus-shed
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as lotus itself does not provide this functionality at the moment.`,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "output",
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Value: "<type>-<addr>.keyinfo",
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Usage: "output file formt",
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},
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&cli.BoolFlag{
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Name: "silent",
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Value: false,
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Usage: "do not print the address to stdout",
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},
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},
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Action: func(cctx *cli.Context) error {
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if !cctx.Args().Present() {
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return fmt.Errorf("please specify a type to generate")
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}
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keyType := cctx.Args().First()
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flagOutput := cctx.String("output")
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if i := SliceIndex(len(validTypes), func(i int) bool {
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if keyType == validTypes[i] {
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return true
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}
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return false
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}); i == -1 {
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return fmt.Errorf("invalid key type argument provided '%s'", keyType)
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}
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keystore := wallet.NewMemKeyStore()
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var keyAddr string
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var keyInfo types.KeyInfo
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switch keyType {
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case lp2p.KTLibp2pHost:
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sk, err := lp2p.PrivKey(keystore)
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if err != nil {
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return err
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}
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ki, err := keystore.Get(lp2p.KLibp2pHost)
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if err != nil {
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return err
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}
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peerid, err := peer.IDFromPrivateKey(sk)
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if err != nil {
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return err
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}
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keyAddr = peerid.String()
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keyInfo = ki
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break
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case wallet.KTSecp256k1, wallet.KTBLS:
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key, err := wallet.GenerateKey(wallet.ActSigType(keyType))
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if err != nil {
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return err
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}
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keyAddr = key.Address.String()
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keyInfo = key.KeyInfo
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break
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}
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filename := flagOutput
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filename = strings.ReplaceAll(filename, "<addr>", keyAddr)
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filename = strings.ReplaceAll(filename, "<type>", keyType)
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file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
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if err != nil {
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return err
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}
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defer func() {
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if err := file.Close(); err != nil {
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log.Warnf("failed to close output file: %w", err)
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}
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}()
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bytes, err := json.Marshal(keyInfo)
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if err != nil {
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return err
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}
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encoded := hex.EncodeToString(bytes)
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if _, err := file.Write([]byte(encoded)); err != nil {
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return err
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}
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if !cctx.Bool("silent") {
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fmt.Println(keyAddr)
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}
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return nil
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},
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}
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func SliceIndex(length int, fn func(i int) bool) int {
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for i := 0; i < length; i++ {
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if fn(i) {
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return i
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}
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}
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return -1
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}
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