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package cryptoAmino
import (
"os"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/ed25519"
"github.com/tendermint/tendermint/crypto/secp256k1"
)
type byter interface {
Bytes() []byte
}
func checkAminoBinary(t *testing.T, src, dst interface{}, size int) {
// Marshal to binary bytes.
bz, err := cdc.MarshalBinaryBare(src)
require.Nil(t, err, "%+v", err)
if byterSrc, ok := src.(byter); ok {
// Make sure this is compatible with current (Bytes()) encoding.
assert.Equal(t, byterSrc.Bytes(), bz, "Amino binary vs Bytes() mismatch")
}
// Make sure we have the expected length.
if size != -1 {
assert.Equal(t, size, len(bz), "Amino binary size mismatch")
}
// Unmarshal.
err = cdc.UnmarshalBinaryBare(bz, dst)
require.Nil(t, err, "%+v", err)
}
func checkAminoJSON(t *testing.T, src interface{}, dst interface{}, isNil bool) {
// Marshal to JSON bytes.
js, err := cdc.MarshalJSON(src)
require.Nil(t, err, "%+v", err)
if isNil {
assert.Equal(t, string(js), `null`)
} else {
assert.Contains(t, string(js), `"type":`)
assert.Contains(t, string(js), `"value":`)
}
// Unmarshal.
err = cdc.UnmarshalJSON(js, dst)
require.Nil(t, err, "%+v", err)
}
func ExamplePrintRegisteredTypes() {
cdc.PrintTypes(os.Stdout)
// Output: | Type | Name | Prefix | Length | Notes |
//| ---- | ---- | ------ | ----- | ------ |
//| PubKeyEd25519 | tendermint/PubKeyEd25519 | 0x1624DE64 | 0x20 | |
//| PubKeySecp256k1 | tendermint/PubKeySecp256k1 | 0xEB5AE987 | 0x21 | |
//| PrivKeyEd25519 | tendermint/PrivKeyEd25519 | 0xA3288910 | 0x40 | |
//| PrivKeySecp256k1 | tendermint/PrivKeySecp256k1 | 0xE1B0F79B | 0x20 | |
}
func TestKeyEncodings(t *testing.T) {
cases := []struct {
privKey crypto.PrivKey
privSize, pubSize int // binary sizes
}{
{
privKey: ed25519.GenPrivKey(),
privSize: 69,
pubSize: 37,
},
{
privKey: secp256k1.GenPrivKey(),
privSize: 37,
pubSize: 38,
},
}
for tcIndex, tc := range cases {
// Check (de/en)codings of PrivKeys.
var priv2, priv3 crypto.PrivKey
checkAminoBinary(t, tc.privKey, &priv2, tc.privSize)
assert.EqualValues(t, tc.privKey, priv2, "tc #%d", tcIndex)
checkAminoJSON(t, tc.privKey, &priv3, false) // TODO also check Prefix bytes.
assert.EqualValues(t, tc.privKey, priv3, "tc #%d", tcIndex)
// Check (de/en)codings of Signatures.
var sig1, sig2 []byte
sig1, err := tc.privKey.Sign([]byte("something"))
assert.NoError(t, err, "tc #%d", tcIndex)
checkAminoBinary(t, sig1, &sig2, -1) // Signature size changes for Secp anyways.
assert.EqualValues(t, sig1, sig2, "tc #%d", tcIndex)
// Check (de/en)codings of PubKeys.
pubKey := tc.privKey.PubKey()
var pub2, pub3 crypto.PubKey
checkAminoBinary(t, pubKey, &pub2, tc.pubSize)
assert.EqualValues(t, pubKey, pub2, "tc #%d", tcIndex)
checkAminoJSON(t, pubKey, &pub3, false) // TODO also check Prefix bytes.
assert.EqualValues(t, pubKey, pub3, "tc #%d", tcIndex)
}
}
func TestNilEncodings(t *testing.T) {
// Check nil Signature.
var a, b []byte
checkAminoJSON(t, &a, &b, true)
assert.EqualValues(t, a, b)
// Check nil PubKey.
var c, d crypto.PubKey
checkAminoJSON(t, &c, &d, true)
assert.EqualValues(t, c, d)
// Check nil PrivKey.
var e, f crypto.PrivKey
checkAminoJSON(t, &e, &f, true)
assert.EqualValues(t, e, f)
}
func TestPubKeyInvalidDataProperReturnsEmpty(t *testing.T) {
pk, err := PubKeyFromBytes([]byte("foo"))
require.NotNil(t, err, "expecting a non-nil error")
require.Nil(t, pk, "expecting an empty public key on error")
}