126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
package ethsecp256k1
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import (
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"encoding/base64"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/crypto/secp256k1"
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cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
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)
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func TestPrivKey(t *testing.T) {
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// validate type and equality
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privKey, err := GenerateKey()
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require.NoError(t, err)
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require.True(t, privKey.Equals(privKey))
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require.Implements(t, (*cryptotypes.PrivKey)(nil), privKey)
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// validate inequality
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privKey2, err := GenerateKey()
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require.NoError(t, err)
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require.False(t, privKey.Equals(privKey2))
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// validate Ethereum address equality
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addr := privKey.PubKey().Address()
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key, err := privKey.ToECDSA()
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require.NoError(t, err)
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expectedAddr := crypto.PubkeyToAddress(key.PublicKey)
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require.Equal(t, expectedAddr.Bytes(), addr.Bytes())
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// validate we can sign some bytes
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msg := []byte("hello world")
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sigHash := crypto.Keccak256Hash(msg)
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expectedSig, err := secp256k1.Sign(sigHash.Bytes(), privKey.Bytes())
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require.NoError(t, err)
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sig, err := privKey.Sign(sigHash.Bytes())
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require.NoError(t, err)
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require.Equal(t, expectedSig, sig)
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}
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func TestPrivKey_PubKey(t *testing.T) {
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privKey, err := GenerateKey()
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require.NoError(t, err)
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// validate type and equality
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pubKey := &PubKey{
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Key: privKey.PubKey().Bytes(),
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}
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require.Implements(t, (*cryptotypes.PubKey)(nil), pubKey)
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// validate inequality
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privKey2, err := GenerateKey()
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require.NoError(t, err)
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require.False(t, pubKey.Equals(privKey2.PubKey()))
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// validate signature
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msg := []byte("hello world")
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sigHash := crypto.Keccak256Hash(msg)
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sig, err := privKey.Sign(sigHash.Bytes())
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require.NoError(t, err)
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res := pubKey.VerifySignature(msg, sig)
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require.True(t, res)
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}
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func TestMarshalAmino(t *testing.T) {
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aminoCdc := codec.NewLegacyAmino()
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privKey, err := GenerateKey()
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require.NoError(t, err)
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pubKey := privKey.PubKey().(*PubKey)
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testCases := []struct {
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desc string
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msg codec.AminoMarshaler
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typ interface{}
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expBinary []byte
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expJSON string
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}{
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{
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"ethsecp256k1 private key",
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privKey,
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&PrivKey{},
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append([]byte{32}, privKey.Bytes()...), // Length-prefixed.
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"\"" + base64.StdEncoding.EncodeToString(privKey.Bytes()) + "\"",
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},
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{
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"ethsecp256k1 public key",
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pubKey,
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&PubKey{},
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append([]byte{33}, pubKey.Bytes()...), // Length-prefixed.
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"\"" + base64.StdEncoding.EncodeToString(pubKey.Bytes()) + "\"",
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},
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}
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for _, tc := range testCases {
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t.Run(tc.desc, func(t *testing.T) {
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// Do a round trip of encoding/decoding binary.
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bz, err := aminoCdc.Marshal(tc.msg)
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require.NoError(t, err)
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require.Equal(t, tc.expBinary, bz)
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err = aminoCdc.Unmarshal(bz, tc.typ)
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require.NoError(t, err)
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require.Equal(t, tc.msg, tc.typ)
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// Do a round trip of encoding/decoding JSON.
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bz, err = aminoCdc.MarshalJSON(tc.msg)
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require.NoError(t, err)
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require.Equal(t, tc.expJSON, string(bz))
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err = aminoCdc.UnmarshalJSON(bz, tc.typ)
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require.NoError(t, err)
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require.Equal(t, tc.msg, tc.typ)
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})
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}
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}
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