Enter the new keyring interface (#5904)

crypto/keyring:

`Keybase` interface gives way to its successor: `Keyring`. `LegacyKeybase`
interface is added in order to guarantee limited backward compatibility with
the old `Keybase` interface for the sole purpose of migrating keys across
the new keyring backends.

The package no longer depends on the `github.com/types.Config`
singleton.

`SupportedAlgos` and `SupportedLedgerAlgos` methods have been removed.
The keyring just fails when trying to perform an action with an unsupported
algorithm.

crypto/ subdirs reorganization:

`crypto/keys/hd` was moved to `crypto/hd`, which now groups together
all HD wallets related types and utilities.

client/input:

* Removal of unnecessary `GetCheckPassword`, `PrintPrefixed` functions.
* `GetConfirmation`'s signature changed to take in a io.Writer for better integration
  with `cobra.Command` types.

client/context:

* In-memory keyring is allocated in the context when `--gen-only` flag is passed
  in. `GetFromFields` does no longer silently allocate a keyring, it takes one as
  argument.

Co-authored with @jgimeno

Co-authored-by: Jonathan Gimeno <jgimeno@gmail.com>
This commit is contained in:
Alessio Treglia
2020-04-08 11:38:28 +02:00
committed by GitHub
co-authored by Jonathan Gimeno
parent 7325692550
commit a1feca39c2
57 changed files with 1829 additions and 1473 deletions
+23 -13
View File
@@ -3,7 +3,9 @@ package server
import (
"fmt"
"github.com/cosmos/cosmos-sdk/crypto/hd"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
"github.com/cosmos/cosmos-sdk/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
@@ -11,31 +13,39 @@ import (
// GenerateCoinKey returns the address of a public key, along with the secret
// phrase to recover the private key.
func GenerateCoinKey() (sdk.AccAddress, string, error) {
// generate a private key, with recovery phrase
info, secret, err := keyring.NewInMemory().CreateMnemonic(
"name", keyring.English, "pass", keyring.Secp256k1)
info, secret, err := keyring.NewInMemory().NewMnemonic("name", keyring.English, types.FullFundraiserPath, hd.Secp256k1)
if err != nil {
return sdk.AccAddress([]byte{}), "", err
}
addr := info.GetPubKey().Address()
return sdk.AccAddress(addr), secret, nil
return sdk.AccAddress(info.GetPubKey().Address()), secret, nil
}
// GenerateSaveCoinKey returns the address of a public key, along with the secret
// phrase to recover the private key.
func GenerateSaveCoinKey(keybase keyring.Keybase, keyName, keyPass string, overwrite bool) (sdk.AccAddress, string, error) {
func GenerateSaveCoinKey(keybase keyring.Keyring, keyName, keyPass string, overwrite bool) (sdk.AccAddress, string, error) {
exists := false
_, err := keybase.Key(keyName)
if err == nil {
exists = true
}
// ensure no overwrite
if !overwrite {
_, err := keybase.Get(keyName)
if err == nil {
return sdk.AccAddress([]byte{}), "", fmt.Errorf(
"key already exists, overwrite is disabled")
}
if !overwrite && exists {
return sdk.AccAddress([]byte{}), "", fmt.Errorf(
"key already exists, overwrite is disabled")
}
// generate a private key, with recovery phrase
info, secret, err := keybase.CreateMnemonic(keyName, keyring.English, keyPass, keyring.Secp256k1)
if exists {
err = keybase.Delete(keyName)
if err != nil {
return sdk.AccAddress([]byte{}), "", fmt.Errorf(
"failed to overwrite key")
}
}
info, secret, err := keybase.NewMnemonic(keyName, keyring.English, types.FullFundraiserPath, hd.Secp256k1)
if err != nil {
return sdk.AccAddress([]byte{}), "", err
}
+7 -5
View File
@@ -5,9 +5,11 @@ import (
"github.com/stretchr/testify/require"
"github.com/cosmos/cosmos-sdk/crypto/hd"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
"github.com/cosmos/cosmos-sdk/server"
"github.com/cosmos/cosmos-sdk/tests"
"github.com/cosmos/cosmos-sdk/types"
)
func TestGenerateCoinKey(t *testing.T) {
@@ -16,7 +18,7 @@ func TestGenerateCoinKey(t *testing.T) {
require.NoError(t, err)
// Test creation
info, err := keyring.NewInMemory().CreateAccount("xxx", mnemonic, "", "012345678", keyring.CreateHDPath(0, 0).String(), keyring.Secp256k1)
info, err := keyring.NewInMemory().NewAccount("xxx", mnemonic, "", hd.NewFundraiserParams(0, types.GetConfig().GetCoinType(), 0).String(), hd.Secp256k1)
require.NoError(t, err)
require.Equal(t, addr, info.GetAddress())
}
@@ -26,19 +28,19 @@ func TestGenerateSaveCoinKey(t *testing.T) {
dir, cleanup := tests.NewTestCaseDir(t)
t.Cleanup(cleanup)
kb, err := keyring.NewKeyring(t.Name(), "test", dir, nil)
kb, err := keyring.New(t.Name(), "test", dir, nil)
require.NoError(t, err)
addr, mnemonic, err := server.GenerateSaveCoinKey(kb, "keyname", "012345678", false)
require.NoError(t, err)
// Test key was actually saved
info, err := kb.Get("keyname")
info, err := kb.Key("keyname")
require.NoError(t, err)
require.Equal(t, addr, info.GetAddress())
// Test in-memory recovery
info, err = keyring.NewInMemory().CreateAccount("xxx", mnemonic, "", "012345678", keyring.CreateHDPath(0, 0).String(), keyring.Secp256k1)
info, err = keyring.NewInMemory().NewAccount("xxx", mnemonic, "", hd.NewFundraiserParams(0, types.GetConfig().GetCoinType(), 0).String(), hd.Secp256k1)
require.NoError(t, err)
require.Equal(t, addr, info.GetAddress())
}
@@ -48,7 +50,7 @@ func TestGenerateSaveCoinKeyOverwriteFlag(t *testing.T) {
dir, cleanup := tests.NewTestCaseDir(t)
t.Cleanup(cleanup)
kb, err := keyring.NewKeyring(t.Name(), "test", dir, nil)
kb, err := keyring.New(t.Name(), "test", dir, nil)
require.NoError(t, err)
keyname := "justakey"