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