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64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package main
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import (
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"encoding/hex"
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"testing"
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"github.com/btcsuite/btcd/btcec/v2"
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"github.com/stretchr/testify/require"
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)
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var (
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privKeyBytes, _ = hex.DecodeString(
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"571e2fc5e99f91596f7561da9f605cbf2e2342a166593eef041862b6a8b7" +
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"4f35",
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)
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pubKeyOrigBytes, _ = hex.DecodeString(
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"032ec305fb12642fd3b1091d1cba88ebb7b1a8dbc256b35789b7e223a1b3" +
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"75f0b7",
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)
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pubKeyNegBytes, _ = hex.DecodeString(
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"022ec305fb12642fd3b1091d1cba88ebb7b1a8dbc256b35789b7e223a1b3" +
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"75f0b7",
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)
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pubKeyNegTweakBytes, _ = hex.DecodeString(
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"0322b5c94ec4dc3a8843edc7448a0aad389d43e0f8d1b35b546dd1aad70f" +
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"b2c45b",
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)
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pubKeyNegTweakTweakBytes, _ = hex.DecodeString(
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"03f4cd1ff9efa8198e33e5a110dc690c1472d56c01287893c2f8ed55f61e" +
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"a767d1",
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)
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)
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func TestTweak(t *testing.T) {
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privKey, pubKey := btcec.PrivKeyFromBytes(privKeyBytes)
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require.Equal(t, pubKeyOrigBytes, pubKey.SerializeCompressed())
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privKeyCopy := copyPrivKey(privKey)
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require.Equal(t, privKey, privKeyCopy)
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mutateWithSign(privKeyCopy)
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require.NotEqual(t, privKey, privKeyCopy)
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require.Equalf(
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t, pubKeyNegBytes, privKeyCopy.PubKey().SerializeCompressed(),
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"%x", privKeyCopy.PubKey().SerializeCompressed(),
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)
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mutateWithTweak(privKeyCopy)
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require.NotEqual(t, privKey, privKeyCopy)
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require.Equalf(
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t, pubKeyNegTweakBytes,
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privKeyCopy.PubKey().SerializeCompressed(),
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"%x", privKeyCopy.PubKey().SerializeCompressed(),
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)
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mutateWithTweak(privKeyCopy)
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require.NotEqual(t, privKey, privKeyCopy)
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require.Equalf(
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t, pubKeyNegTweakTweakBytes,
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privKeyCopy.PubKey().SerializeCompressed(),
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"%x", privKeyCopy.PubKey().SerializeCompressed(),
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)
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}
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