cosmos-sdk/crypto/hd/hdpath_test.go
Andrei Ivasko 6cbbd6da75
refactor!: Keyring migration (#9695)
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## Description

The draft PR #9222 
Closes: #7108

<!-- Add a description of the changes that this PR introduces and the files that
are the most critical to review. -->

- implement proto definition for `Record` 
- rename `Info.go` to `legacyInfo.go` within `keyring` package
- implement CLI `migrate` command that migrates all keys from  legacyInfo to proto according to @robert-zaremba migration [algorithm](https://github.com/cosmos/cosmos-sdk/pull/9222/#discussion_r624683839)
- remove legacy keybase entirely.
- add `Migrate` and `MigrateAll` functions  in `keyring.go` for single key and all keys migration
- add tests
- fix tests

---

### Author Checklist

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please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [x] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [x] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

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your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)
2021-09-20 12:02:15 +00:00

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package hd_test
import (
"encoding/hex"
"fmt"
"testing"
"github.com/cosmos/cosmos-sdk/crypto/hd"
"github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/go-bip39"
"github.com/stretchr/testify/require"
)
var defaultBIP39Passphrase = ""
// return bip39 seed with empty passphrase
func mnemonicToSeed(mnemonic string) []byte {
return bip39.NewSeed(mnemonic, defaultBIP39Passphrase)
}
func TestStringifyFundraiserPathParams(t *testing.T) {
path := hd.NewFundraiserParams(4, types.CoinType, 22)
require.Equal(t, "m/44'/118'/4'/0/22", path.String())
path = hd.NewFundraiserParams(4, types.CoinType, 57)
require.Equal(t, "m/44'/118'/4'/0/57", path.String())
path = hd.NewFundraiserParams(4, 12345, 57)
require.Equal(t, "m/44'/12345'/4'/0/57", path.String())
}
func TestPathToArray(t *testing.T) {
path := hd.NewParams(44, 118, 1, false, 4)
require.Equal(t, "[44 118 1 0 4]", fmt.Sprintf("%v", path.DerivationPath()))
path = hd.NewParams(44, 118, 2, true, 15)
require.Equal(t, "[44 118 2 1 15]", fmt.Sprintf("%v", path.DerivationPath()))
}
func TestParamsFromPath(t *testing.T) {
goodCases := []struct {
params *hd.BIP44Params
path string
}{
{&hd.BIP44Params{44, 0, 0, false, 0}, "m/44'/0'/0'/0/0"},
{&hd.BIP44Params{44, 1, 0, false, 0}, "m/44'/1'/0'/0/0"},
{&hd.BIP44Params{44, 0, 1, false, 0}, "m/44'/0'/1'/0/0"},
{&hd.BIP44Params{44, 0, 0, true, 0}, "m/44'/0'/0'/1/0"},
{&hd.BIP44Params{44, 0, 0, false, 1}, "m/44'/0'/0'/0/1"},
{&hd.BIP44Params{44, 1, 1, true, 1}, "m/44'/1'/1'/1/1"},
{&hd.BIP44Params{44, 118, 52, true, 41}, "m/44'/118'/52'/1/41"},
}
for i, c := range goodCases {
params, err := hd.NewParamsFromPath(c.path)
errStr := fmt.Sprintf("%d %v", i, c)
require.NoError(t, err, errStr)
require.EqualValues(t, c.params, params, errStr)
require.Equal(t, c.path, c.params.String())
}
badCases := []struct {
path string
}{
{"m/43'/0'/0'/0/0"}, // doesn't start with 44
{"m/44'/1'/0'/0/0/5"}, // too many fields
{"m/44'/0'/1'/0"}, // too few fields
{"m/44'/0'/0'/2/0"}, // change field can only be 0/1
{"m/44/0'/0'/0/0"}, // first field needs '
{"m/44'/0/0'/0/0"}, // second field needs '
{"m/44'/0'/0/0/0"}, // third field needs '
{"m/44'/0'/0'/0'/0"}, // fourth field must not have '
{"m/44'/0'/0'/0/0'"}, // fifth field must not have '
{"m/44'/-1'/0'/0/0"}, // no negatives
{"m/44'/0'/0'/-1/0"}, // no negatives
{"m/a'/0'/0'/-1/0"}, // invalid values
{"m/0/X/0'/-1/0"}, // invalid values
{"m/44'/0'/X/-1/0"}, // invalid values
{"m/44'/0'/0'/%/0"}, // invalid values
{"m/44'/0'/0'/0/%"}, // invalid values
{"m44'0'0'00"}, // no separators
{" /44'/0'/0'/0/0"}, // blank first component
}
for i, c := range badCases {
params, err := hd.NewParamsFromPath(c.path)
errStr := fmt.Sprintf("%d %v", i, c)
require.Nil(t, params, errStr)
require.Error(t, err, errStr)
}
}
func TestCreateHDPath(t *testing.T) {
type args struct {
coinType uint32
account uint32
index uint32
}
tests := []struct {
name string
args args
want hd.BIP44Params
}{
{"m/44'/0'/0'/0/0", args{0, 0, 0}, hd.BIP44Params{Purpose: 44}},
{"m/44'/114'/0'/0/0", args{114, 0, 0}, hd.BIP44Params{Purpose: 44, CoinType: 114, Account: 0, AddressIndex: 0}},
{"m/44'/114'/1'/1/0", args{114, 1, 1}, hd.BIP44Params{Purpose: 44, CoinType: 114, Account: 1, AddressIndex: 1}},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
tt := tt
require.Equal(t, tt.want, *hd.CreateHDPath(tt.args.coinType, tt.args.account, tt.args.index))
})
}
}
// Tests to ensure that any index value is in the range [0, max(int32)] as per
// the extended keys specification. If the index belongs to that of a hardened key,
// its 0x80000000 bit will be set, so we can still accept values in [0, max(int32)] and then
// increase its value as deriveKeyPath already augments.
// See issue https://github.com/cosmos/cosmos-sdk/issues/7627.
func TestDeriveHDPathRange(t *testing.T) {
seed := mnemonicToSeed("I am become Death, the destroyer of worlds!")
tests := []struct {
path string
wantErr string
}{
{
path: "m/1'/2147483648/0'/0/0",
wantErr: "out of range",
},
{
path: "m/2147483648'/1/0/0",
wantErr: "out of range",
},
{
path: "m/2147483648'/2147483648/0'/0/0",
wantErr: "out of range",
},
{
path: "m/1'/-5/0'/0/0",
wantErr: "invalid syntax",
},
{
path: "m/-2147483646'/1/0/0",
wantErr: "invalid syntax",
},
{
path: "m/-2147483648'/-2147483648/0'/0/0",
wantErr: "invalid syntax",
},
{
path: "m44'118'0'00",
wantErr: "path 'm44'118'0'00' doesn't contain '/' separators",
},
{
path: "",
wantErr: "path '' doesn't contain '/' separators",
},
{
// Should pass.
path: "m/1'/2147483647'/1/0'/0/0",
},
{
// Should pass.
path: "1'/2147483647'/1/0'/0/0",
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.path, func(t *testing.T) {
master, ch := hd.ComputeMastersFromSeed(seed)
_, err := hd.DerivePrivateKeyForPath(master, ch, tt.path)
if tt.wantErr == "" {
require.NoError(t, err, "unexpected error")
} else {
require.Error(t, err, "expected a report of an int overflow")
require.Contains(t, err.Error(), tt.wantErr)
}
})
}
}
func ExampleStringifyPathParams() {
path := hd.NewParams(44, 0, 0, false, 0)
fmt.Println(path.String())
path = hd.NewParams(44, 33, 7, true, 9)
fmt.Println(path.String())
// Output:
// m/44'/0'/0'/0/0
// m/44'/33'/7'/1/9
}
func ExampleSomeBIP32TestVecs() {
seed := mnemonicToSeed("barrel original fuel morning among eternal " +
"filter ball stove pluck matrix mechanic")
master, ch := hd.ComputeMastersFromSeed(seed)
fmt.Println("keys from fundraiser test-vector (cosmos, bitcoin, ether)")
fmt.Println()
// cosmos
priv, err := hd.DerivePrivateKeyForPath(master, ch, types.FullFundraiserPath)
if err != nil {
fmt.Println("INVALID")
} else {
fmt.Println(hex.EncodeToString(priv[:]))
}
// bitcoin
priv, err = hd.DerivePrivateKeyForPath(master, ch, "44'/0'/0'/0/0")
if err != nil {
fmt.Println("INVALID")
} else {
fmt.Println(hex.EncodeToString(priv[:]))
}
// ether
priv, err = hd.DerivePrivateKeyForPath(master, ch, "44'/60'/0'/0/0")
if err != nil {
fmt.Println("INVALID")
} else {
fmt.Println(hex.EncodeToString(priv[:]))
}
// INVALID
priv, err = hd.DerivePrivateKeyForPath(master, ch, "X/0'/0'/0/0")
if err != nil {
fmt.Println("INVALID")
} else {
fmt.Println(hex.EncodeToString(priv[:]))
}
priv, err = hd.DerivePrivateKeyForPath(master, ch, "-44/0'/0'/0/0")
if err != nil {
fmt.Println("INVALID")
} else {
fmt.Println(hex.EncodeToString(priv[:]))
}
fmt.Println()
fmt.Println("keys generated via https://coinomi.com/recovery-phrase-tool.html")
fmt.Println()
seed = mnemonicToSeed(
"advice process birth april short trust crater change bacon monkey medal garment " +
"gorilla ranch hour rival razor call lunar mention taste vacant woman sister")
master, ch = hd.ComputeMastersFromSeed(seed)
priv, _ = hd.DerivePrivateKeyForPath(master, ch, "44'/1'/1'/0/4")
fmt.Println(hex.EncodeToString(priv[:]))
seed = mnemonicToSeed("idea naive region square margin day captain habit " +
"gun second farm pact pulse someone armed")
master, ch = hd.ComputeMastersFromSeed(seed)
priv, _ = hd.DerivePrivateKeyForPath(master, ch, "44'/0'/0'/0/420")
fmt.Println(hex.EncodeToString(priv[:]))
fmt.Println()
fmt.Println("BIP 32 example")
fmt.Println()
// bip32 path: m/0/7
seed = mnemonicToSeed("monitor flock loyal sick object grunt duty ride develop assault harsh history")
master, ch = hd.ComputeMastersFromSeed(seed)
priv, _ = hd.DerivePrivateKeyForPath(master, ch, "0/7")
fmt.Println(hex.EncodeToString(priv[:]))
// Output: keys from fundraiser test-vector (cosmos, bitcoin, ether)
//
// bfcb217c058d8bbafd5e186eae936106ca3e943889b0b4a093ae13822fd3170c
// e77c3de76965ad89997451de97b95bb65ede23a6bf185a55d80363d92ee37c3d
// 7fc4d8a8146dea344ba04c593517d3f377fa6cded36cd55aee0a0bb968e651bc
// INVALID
// INVALID
//
// keys generated via https://coinomi.com/recovery-phrase-tool.html
//
// a61f10c5fecf40c084c94fa54273b6f5d7989386be4a37669e6d6f7b0169c163
// 32c4599843de3ef161a629a461d12c60b009b676c35050be5f7ded3a3b23501f
//
// BIP 32 example
//
// c4c11d8c03625515905d7e89d25dfc66126fbc629ecca6db489a1a72fc4bda78
}
// Ensuring that we don't crash if values have trailing slashes
// See issue https://github.com/cosmos/cosmos-sdk/issues/8557.
func TestDerivePrivateKeyForPathDoNotCrash(t *testing.T) {
paths := []string{
"m/5/",
"m/5",
"/44",
"m//5",
"m/0/7",
"/",
"m /0/7", // Test case from fuzzer
" / ", // Test case from fuzzer
"m///7//////",
}
for _, path := range paths {
path := path
t.Run(path, func(t *testing.T) {
hd.DerivePrivateKeyForPath([32]byte{}, [32]byte{}, path)
})
}
}