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package crypto
import (
"os"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type byter interface {
Bytes() []byte
}
func checkAminoBinary(t *testing.T, src byter, dst interface{}, size int) {
// Marshal to binary bytes.
bz, err := cdc.MarshalBinaryBare(src)
require.Nil(t, err, "%+v", err)
// Make sure this is compatible with current (Bytes()) encoding.
assert.Equal(t, src.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 | |
//| SignatureEd25519 | tendermint/SignatureEd25519 | 0x2031EA53 | 0x40 | |
//| SignatureSecp256k1 | tendermint/SignatureSecp256k1 | 0x7FC4A495 | variable | |
}
func TestKeyEncodings(t *testing.T) {
cases := []struct {
privKey PrivKey
privSize, pubSize int // binary sizes
}{
{
privKey: GenPrivKeyEd25519(),
privSize: 69,
pubSize: 37,
},
{
privKey: GenPrivKeySecp256k1(),
privSize: 37,
pubSize: 38,
},
}
for _, tc := range cases {
// Check (de/en)codings of PrivKeys.
var priv2, priv3 PrivKey
checkAminoBinary(t, tc.privKey, &priv2, tc.privSize)
assert.EqualValues(t, tc.privKey, priv2)
checkAminoJSON(t, tc.privKey, &priv3, false) // TODO also check Prefix bytes.
assert.EqualValues(t, tc.privKey, priv3)
// Check (de/en)codings of Signatures.
var sig1, sig2, sig3 Signature
sig1, err := tc.privKey.Sign([]byte("something"))
assert.NoError(t, err)
checkAminoBinary(t, sig1, &sig2, -1) // Signature size changes for Secp anyways.
assert.EqualValues(t, sig1, sig2)
checkAminoJSON(t, sig1, &sig3, false) // TODO also check Prefix bytes.
assert.EqualValues(t, sig1, sig3)
// Check (de/en)codings of PubKeys.
pubKey := tc.privKey.PubKey()
var pub2, pub3 PubKey
checkAminoBinary(t, pubKey, &pub2, tc.pubSize)
assert.EqualValues(t, pubKey, pub2)
checkAminoJSON(t, pubKey, &pub3, false) // TODO also check Prefix bytes.
assert.EqualValues(t, pubKey, pub3)
}
}
func TestNilEncodings(t *testing.T) {
// Check nil Signature.
var a, b Signature
checkAminoJSON(t, &a, &b, true)
assert.EqualValues(t, a, b)
// Check nil PubKey.
var c, d PubKey
checkAminoJSON(t, &c, &d, true)
assert.EqualValues(t, c, d)
// Check nil PrivKey.
var e, f PrivKey
checkAminoJSON(t, &e, &f, true)
assert.EqualValues(t, e, f)
}