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