0g-chain/crypto/vrf/vrf_test.go

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2024-04-24 07:10:22 +00:00
package vrf
import (
"testing"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
"encoding/base64"
"github.com/stretchr/testify/require"
"github.com/cosmos/cosmos-sdk/codec"
)
func TestPrivKey(t *testing.T) {
// validate type and equality
privKey, err := GenerateKey()
require.NoError(t, err)
require.Implements(t, (*cryptotypes.PrivKey)(nil), privKey)
// validate inequality
privKey2, err := GenerateKey()
require.NoError(t, err)
require.False(t, privKey.Equals(privKey2))
}
func TestPrivKey_PubKey(t *testing.T) {
privKey, err := GenerateKey()
require.NoError(t, err)
// validate type and equality
pubKey := &PubKey{
Key: privKey.PubKey().Bytes(),
}
require.Implements(t, (*cryptotypes.PubKey)(nil), pubKey)
// validate inequality
privKey2, err := GenerateKey()
require.NoError(t, err)
require.False(t, pubKey.Equals(privKey2.PubKey()))
}
func TestMarshalAmino(t *testing.T) {
aminoCdc := codec.NewLegacyAmino()
privKey, err := GenerateKey()
require.NoError(t, err)
pubKey := privKey.PubKey().(*PubKey)
testCases := []struct {
desc string
msg codec.AminoMarshaler
typ interface{}
expBinary []byte
expJSON string
}{
{
"vrf private key",
privKey,
&PrivKey{},
append([]byte{64}, privKey.Bytes()...), // Length-prefixed.
"\"" + base64.StdEncoding.EncodeToString(privKey.Bytes()) + "\"",
},
{
"vrf public key",
pubKey,
&PubKey{},
append([]byte{32}, pubKey.Bytes()...), // Length-prefixed.
"\"" + base64.StdEncoding.EncodeToString(pubKey.Bytes()) + "\"",
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
// Do a round trip of encoding/decoding binary.
bz, err := aminoCdc.Marshal(tc.msg)
require.NoError(t, err)
require.Equal(t, tc.expBinary, bz)
err = aminoCdc.Unmarshal(bz, tc.typ)
require.NoError(t, err)
require.Equal(t, tc.msg, tc.typ)
// Do a round trip of encoding/decoding JSON.
bz, err = aminoCdc.MarshalJSON(tc.msg)
require.NoError(t, err)
require.Equal(t, tc.expJSON, string(bz))
err = aminoCdc.UnmarshalJSON(bz, tc.typ)
require.NoError(t, err)
require.Equal(t, tc.msg, tc.typ)
})
}
}