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224 lines
6.3 KiB
224 lines
6.3 KiB
package cryptoamino
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import (
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"reflect"
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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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amino "github.com/tendermint/go-amino"
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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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"github.com/tendermint/tendermint/crypto/sr25519"
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tmjson "github.com/tendermint/tendermint/libs/json"
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)
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type AminoMarshal interface {
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AminoMarshal() ([]byte, error)
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AminoUnmarshal([]byte) error
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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.(AminoMarshal); ok {
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// Make sure this is compatible with current (Bytes()) encoding.
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bza, err := byterSrc.AminoMarshal()
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assert.NoError(t, err)
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assert.Equal(t, bza, 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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assert.Equal(t, size, len(bz), "Amino binary size mismatch")
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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 checkJSON(t *testing.T, src interface{}, dst interface{}, isNil bool) {
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// Marshal to JSON bytes.
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js, err := tmjson.Marshal(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 = tmjson.Unmarshal(js, dst)
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require.Nil(t, err, "%+v", err)
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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, sigSize 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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sigSize: 65,
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},
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{
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privKey: sr25519.GenPrivKey(),
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privSize: 37,
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pubSize: 37,
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sigSize: 65,
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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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sigSize: 65,
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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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checkJSON(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, tc.sigSize)
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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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checkJSON(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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checkJSON(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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checkJSON(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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checkJSON(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)
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require.Nil(t, pk)
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}
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func TestPubkeyAminoName(t *testing.T) {
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tests := []struct {
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key crypto.PubKey
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want string
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found bool
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}{
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{ed25519.PubKey{}, ed25519.PubKeyAminoName, true},
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{sr25519.PubKey{}, sr25519.PubKeyAminoName, true},
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{secp256k1.PubKey{}, secp256k1.PubKeyAminoName, true},
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}
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for i, tc := range tests {
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got, found := PubkeyAminoName(cdc, tc.key)
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require.Equal(t, tc.found, found, "not equal on tc %d", i)
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if tc.found {
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require.Equal(t, tc.want, got, "not equal on tc %d", i)
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}
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}
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}
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var _ crypto.PrivKey = testPriv{}
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var _ crypto.PubKey = testPub{}
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var testCdc = amino.NewCodec()
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type testPriv []byte
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func (privkey testPriv) PubKey() crypto.PubKey { return testPub{} }
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func (privkey testPriv) Bytes() []byte {
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return testCdc.MustMarshalBinaryBare(privkey)
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}
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func (privkey testPriv) Sign(msg []byte) ([]byte, error) { return []byte{}, nil }
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func (privkey testPriv) Equals(other crypto.PrivKey) bool { return true }
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func (privkey testPriv) Type() string { return "testPriv" }
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type testPub []byte
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func (key testPub) Address() crypto.Address { return crypto.Address{} }
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func (key testPub) Bytes() []byte {
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return testCdc.MustMarshalBinaryBare(key)
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}
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func (key testPub) VerifyBytes(msg []byte, sig []byte) bool { return true }
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func (key testPub) Equals(other crypto.PubKey) bool { return true }
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func (key testPub) String() string { return "" }
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func (key testPub) Type() string { return "testPub" }
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var (
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privAminoName = "registerTest/Priv"
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pubAminoName = "registerTest/Pub"
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)
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func TestRegisterKeyType(t *testing.T) {
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RegisterAmino(testCdc)
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testCdc.RegisterConcrete(testPriv{}, privAminoName, nil)
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testCdc.RegisterConcrete(testPub{}, pubAminoName, nil)
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pub := testPub{0x1}
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priv := testPriv{0x2}
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// Check to make sure key cannot be decoded before registering
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_, err := PrivKeyFromBytes(priv.Bytes())
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require.Error(t, err)
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_, err = PubKeyFromBytes(pub.Bytes())
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require.Error(t, err)
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// Check that name is not registered
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_, found := PubkeyAminoName(testCdc, pub)
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require.False(t, found)
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// Register key types
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RegisterKeyType(testPriv{}, privAminoName)
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RegisterKeyType(testPub{}, pubAminoName)
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// Name should exist after registering
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name, found := PubkeyAminoName(testCdc, pub)
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require.True(t, found)
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require.Equal(t, name, pubAminoName)
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// Decode keys using the encoded bytes from encoding with the other codec
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decodedPriv, err := PrivKeyFromBytes(priv.Bytes())
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require.NoError(t, err)
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require.Equal(t, priv, decodedPriv)
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decodedPub, err := PubKeyFromBytes(pub.Bytes())
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require.NoError(t, err)
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require.Equal(t, pub, decodedPub)
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// Reset module codec after testing
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cdc = amino.NewCodec()
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nameTable = make(map[reflect.Type]string, 3)
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RegisterAmino(cdc)
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nameTable[reflect.TypeOf(ed25519.PubKey{})] = ed25519.PubKeyAminoName
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nameTable[reflect.TypeOf(sr25519.PubKey{})] = sr25519.PubKeyAminoName
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nameTable[reflect.TypeOf(secp256k1.PubKey{})] = secp256k1.PubKeyAminoName
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}
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