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291 lines
8.7 KiB
291 lines
8.7 KiB
package common
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import (
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"crypto/ecdsa"
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"encoding/hex"
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"log"
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"math/big"
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"testing"
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ethCommon "github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/iden3/go-iden3-crypto/babyjub"
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"github.com/iden3/go-iden3-crypto/utils"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestNewL1UserTx(t *testing.T) {
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toForge := int64(123456)
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l1Tx := &L1Tx{
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ToForgeL1TxsNum: &toForge,
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Position: 71,
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UserOrigin: true,
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ToIdx: 301,
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TokenID: 5,
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Amount: big.NewInt(1),
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LoadAmount: big.NewInt(2),
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FromIdx: Idx(300),
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}
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l1Tx, err := NewL1Tx(l1Tx)
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assert.Nil(t, err)
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assert.Equal(t, "0x00000000000001e240004700", l1Tx.TxID.String())
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}
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func TestNewL1CoordinatorTx(t *testing.T) {
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batchNum := BatchNum(51966)
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l1Tx := &L1Tx{
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Position: 88,
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UserOrigin: false,
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ToIdx: 301,
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TokenID: 5,
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Amount: big.NewInt(1),
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LoadAmount: big.NewInt(2),
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FromIdx: Idx(300),
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BatchNum: &batchNum,
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}
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l1Tx, err := NewL1Tx(l1Tx)
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assert.Nil(t, err)
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assert.Equal(t, "0x01000000000000cafe005800", l1Tx.TxID.String())
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}
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func TestL1TxCompressedData(t *testing.T) {
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tx := L1Tx{
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FromIdx: 2,
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ToIdx: 3,
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Amount: big.NewInt(4),
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TokenID: 5,
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}
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txCompressedData, err := tx.TxCompressedData()
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assert.Nil(t, err)
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// test vector value generated from javascript implementation
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expectedStr := "7307597389635308713748674793997299267459594577423"
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assert.Equal(t, expectedStr, txCompressedData.String())
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assert.Equal(t, "0500040000000000030000000000020000c60be60f", hex.EncodeToString(txCompressedData.Bytes()))
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}
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func TestBytesDataAvailability(t *testing.T) {
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tx := L1Tx{
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FromIdx: 2,
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ToIdx: 3,
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Amount: big.NewInt(4),
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TokenID: 5,
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}
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txCompressedData, err := tx.BytesDataAvailability(32)
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assert.Nil(t, err)
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assert.Equal(t, "0000000200000003000000", hex.EncodeToString(txCompressedData))
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tx = L1Tx{
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FromIdx: 2,
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ToIdx: 3,
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EffectiveAmount: big.NewInt(4),
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TokenID: 5,
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}
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txCompressedData, err = tx.BytesDataAvailability(32)
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assert.Nil(t, err)
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assert.Equal(t, "0000000200000003000400", hex.EncodeToString(txCompressedData))
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}
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func TestL1TxFromDataAvailability(t *testing.T) {
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tx := L1Tx{
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FromIdx: 2,
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ToIdx: 3,
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Amount: big.NewInt(4),
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}
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txCompressedData, err := tx.BytesDataAvailability(32)
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assert.Nil(t, err)
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l1tx, err := L1TxFromDataAvailability(txCompressedData, 32)
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require.NoError(t, err)
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assert.Equal(t, tx.FromIdx, l1tx.FromIdx)
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assert.Equal(t, tx.ToIdx, l1tx.ToIdx)
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tx = L1Tx{
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FromIdx: 2,
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ToIdx: 3,
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EffectiveAmount: big.NewInt(4),
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}
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txCompressedData, err = tx.BytesDataAvailability(32)
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assert.Nil(t, err)
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l1tx, err = L1TxFromDataAvailability(txCompressedData, 32)
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require.NoError(t, err)
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assert.Equal(t, tx.FromIdx, l1tx.FromIdx)
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assert.Equal(t, tx.ToIdx, l1tx.ToIdx)
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assert.Equal(t, tx.EffectiveAmount, l1tx.EffectiveAmount)
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}
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func TestL1userTxByteParsers(t *testing.T) {
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var pkComp babyjub.PublicKeyComp
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pkCompL := []byte("0x56ca90f80d7c374ae7485e9bcc47d4ac399460948da6aeeb899311097925a72c")
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err := pkComp.UnmarshalText(pkCompL)
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require.Nil(t, err)
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pk, err := pkComp.Decompress()
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require.Nil(t, err)
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l1Tx := &L1Tx{
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UserOrigin: true,
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ToIdx: 3,
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TokenID: 5,
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Amount: big.NewInt(1),
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LoadAmount: big.NewInt(2),
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FromIdx: 2,
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FromBJJ: pk,
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FromEthAddr: ethCommon.HexToAddress("0xc58d29fA6e86E4FAe04DDcEd660d45BCf3Cb2370"),
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}
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encodedData, err := l1Tx.BytesUser()
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require.Nil(t, err)
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decodedData, err := L1UserTxFromBytes(encodedData)
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require.Nil(t, err)
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assert.Equal(t, l1Tx, decodedData)
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encodedData2, err := decodedData.BytesUser()
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require.Nil(t, err)
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assert.Equal(t, encodedData, encodedData2)
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// expect error if length!=68
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_, err = L1UserTxFromBytes(encodedData[:66])
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require.NotNil(t, err)
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_, err = L1UserTxFromBytes([]byte{})
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require.NotNil(t, err)
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_, err = L1UserTxFromBytes(nil)
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require.NotNil(t, err)
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}
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func TestL1TxByteParsersCompatibility(t *testing.T) {
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// Data from compatibility test
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var pkComp babyjub.PublicKeyComp
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pkCompB, err := hex.DecodeString("0dd02deb2c81068e7a0f7e327df80b4ab79ee1f41a7def613e73a20c32eece5a")
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require.Nil(t, err)
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pkCompL := SwapEndianness(pkCompB)
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err = pkComp.UnmarshalText([]byte(hex.EncodeToString(pkCompL)))
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require.Nil(t, err)
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pk, err := pkComp.Decompress()
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require.Nil(t, err)
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loadAmount := new(big.Int)
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loadAmount.SetString("100000000000000000000", 10)
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l1Tx := &L1Tx{
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ToIdx: 87865485,
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TokenID: 2098076,
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Amount: big.NewInt(2400000000000000000),
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LoadAmount: loadAmount,
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FromIdx: Idx(29767899),
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FromBJJ: pk,
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FromEthAddr: ethCommon.HexToAddress("0x85dab5b9e2e361d0c208d77be90efcc0439b0a53"),
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UserOrigin: true,
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}
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expected, err := utils.HexDecode("85dab5b9e2e361d0c208d77be90efcc0439b0a530dd02deb2c81068e7a0f7e327df80b4ab79ee1f41a7def613e73a20c32eece5a000001c638db8be880f00020039c0000053cb88d")
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require.Nil(t, err)
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encodedData, err := l1Tx.BytesUser()
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require.Nil(t, err)
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assert.Equal(t, expected, encodedData)
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}
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func TestL1CoordinatorTxByteParsers(t *testing.T) {
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hermezAddress := ethCommon.HexToAddress("0xD6C850aeBFDC46D7F4c207e445cC0d6B0919BDBe")
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chainID := big.NewInt(1337)
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chainIDBytes := ethCommon.LeftPadBytes(chainID.Bytes(), 2)
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privateKey, err := crypto.HexToECDSA("fad9c8855b740a0b7ed4c221dbad0f33a83a49cad6b3fe8d5817ac83d38b6a19")
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require.Nil(t, err)
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publicKey := privateKey.Public()
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publicKeyECDSA, ok := publicKey.(*ecdsa.PublicKey)
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if !ok {
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log.Fatal("error casting public key to ECDSA")
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}
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publicKeyBytes := crypto.FromECDSAPub(publicKeyECDSA)
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pubKey, err := crypto.UnmarshalPubkey(publicKeyBytes)
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require.Nil(t, err)
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fromEthAddr := crypto.PubkeyToAddress(*pubKey)
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var pkComp babyjub.PublicKeyComp
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pkCompL := []byte("56ca90f80d7c374ae7485e9bcc47d4ac399460948da6aeeb899311097925a72c")
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err = pkComp.UnmarshalText(pkCompL)
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require.Nil(t, err)
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pk, err := pkComp.Decompress()
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require.Nil(t, err)
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bytesMessage1 := []byte("\x19Ethereum Signed Message:\n120")
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bytesMessage2 := []byte("I authorize this babyjubjub key for hermez rollup account creation")
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babyjub := pk.Compress()
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babyjubB := SwapEndianness(babyjub[:])
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var data []byte
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data = append(data, bytesMessage1...)
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data = append(data, bytesMessage2...)
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data = append(data, babyjubB[:]...)
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data = append(data, chainIDBytes...)
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data = append(data, hermezAddress.Bytes()...)
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hash := crypto.Keccak256Hash(data)
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signature, err := crypto.Sign(hash.Bytes(), privateKey)
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require.Nil(t, err)
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// Ethereum adds 27 to v
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v := int(signature[64])
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signature[64] = byte(v + 27)
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l1Tx := &L1Tx{
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TokenID: 231,
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FromBJJ: pk,
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FromEthAddr: fromEthAddr,
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Amount: big.NewInt(0),
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LoadAmount: big.NewInt(0),
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}
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bytesCoordinatorL1, err := l1Tx.BytesCoordinatorTx(signature)
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require.Nil(t, err)
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l1txDecoded, err := L1CoordinatorTxFromBytes(bytesCoordinatorL1, chainID, hermezAddress)
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require.Nil(t, err)
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assert.Equal(t, l1Tx, l1txDecoded)
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bytesCoordinatorL12, err := l1txDecoded.BytesCoordinatorTx(signature)
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require.Nil(t, err)
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assert.Equal(t, bytesCoordinatorL1, bytesCoordinatorL12)
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// expect error if length!=68
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_, err = L1CoordinatorTxFromBytes(bytesCoordinatorL1[:66], chainID, hermezAddress)
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require.NotNil(t, err)
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_, err = L1CoordinatorTxFromBytes([]byte{}, chainID, hermezAddress)
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require.NotNil(t, err)
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_, err = L1CoordinatorTxFromBytes(nil, chainID, hermezAddress)
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require.NotNil(t, err)
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}
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func TestL1CoordinatorTxByteParsersCompatibility(t *testing.T) {
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// Data from compatibility test
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var signature []byte
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r, err := hex.DecodeString("da71e5eb097e115405d84d1e7b464009b434b32c014a2df502d1f065ced8bc3b")
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require.Nil(t, err)
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s, err := hex.DecodeString("186d7122ff7f654cfed3156719774898d573900c86599a885a706dbdffe5ea8c")
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require.Nil(t, err)
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v, err := hex.DecodeString("1b")
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require.Nil(t, err)
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signature = append(signature, r[:]...)
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signature = append(signature, s[:]...)
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signature = append(signature, v[:]...)
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var pkComp babyjub.PublicKeyComp
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pkCompB, err := hex.DecodeString("a2c2807ee39c3b3378738cff85a46a9465bb8fcf44ea597c33da9719be7c259c")
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require.Nil(t, err)
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pkCompL := SwapEndianness(pkCompB)
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err = pkComp.UnmarshalText([]byte(hex.EncodeToString(pkCompL)))
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require.Nil(t, err)
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// Data from the compatibility test
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require.Nil(t, err)
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pk, err := pkComp.Decompress()
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require.Nil(t, err)
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l1Tx := &L1Tx{
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TokenID: 231,
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FromBJJ: pk,
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}
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encodeData, err := l1Tx.BytesCoordinatorTx(signature)
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require.Nil(t, err)
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expected, err := utils.HexDecode("1b186d7122ff7f654cfed3156719774898d573900c86599a885a706dbdffe5ea8cda71e5eb097e115405d84d1e7b464009b434b32c014a2df502d1f065ced8bc3ba2c2807ee39c3b3378738cff85a46a9465bb8fcf44ea597c33da9719be7c259c000000e7")
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require.Nil(t, err)
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assert.Equal(t, expected, encodeData)
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}
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