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388 lines
12 KiB
388 lines
12 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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DepositAmount: 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.NoError(t, err)
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assert.Equal(t, "0x00a6cbae3b8661fb75b0919ca6605a02cfb04d9c6dd16870fa0fcdf01befa32768", 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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DepositAmount: 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.NoError(t, err)
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assert.Equal(t, "0x01274482d73df4dab34a1b6740adfca347a462513aa14e82f27b12f818d1b68c84", l1Tx.TxID.String())
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}
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func TestL1TxCompressedData(t *testing.T) {
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// test vectors values generated from javascript implementation (using
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// PoolL2Tx values)
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amount, ok := new(big.Int).SetString("343597383670000000000000000000000000000000", 10)
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require.True(t, ok)
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tx := L1Tx{
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FromIdx: (1 << 48) - 1,
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ToIdx: (1 << 48) - 1,
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Amount: amount,
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TokenID: (1 << 32) - 1,
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}
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txCompressedData, err := tx.TxCompressedData(uint16((1 << 16) - 1))
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assert.NoError(t, err)
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expectedStr := "ffffffffffffffffffffffffffffffffffffc60be60f"
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assert.Equal(t, expectedStr, hex.EncodeToString(txCompressedData.Bytes()))
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tx = L1Tx{
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FromIdx: 0,
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ToIdx: 0,
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Amount: big.NewInt(0),
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TokenID: 0,
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}
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txCompressedData, err = tx.TxCompressedData(uint16(0))
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assert.NoError(t, err)
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expectedStr = "c60be60f"
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assert.Equal(t, expectedStr, hex.EncodeToString(txCompressedData.Bytes()))
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amount, ok = new(big.Int).SetString("63000000000000000", 10)
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require.True(t, ok)
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tx = L1Tx{
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FromIdx: 324,
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ToIdx: 256,
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Amount: amount,
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TokenID: 123,
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}
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txCompressedData, err = tx.TxCompressedData(uint16(1))
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assert.NoError(t, err)
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expectedStr = "7b0000000001000000000001440001c60be60f"
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assert.Equal(t, expectedStr, hex.EncodeToString(txCompressedData.Bytes()))
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tx = L1Tx{
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FromIdx: 1,
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ToIdx: 2,
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TokenID: 3,
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}
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txCompressedData, err = tx.TxCompressedData(uint16(0))
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assert.NoError(t, err)
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expectedStr = "030000000000020000000000010000c60be60f"
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assert.Equal(t, expectedStr, hex.EncodeToString(txCompressedData.Bytes()))
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}
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func TestBytesDataAvailability(t *testing.T) {
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// test vectors values generated from javascript implementation
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amount, ok := new(big.Int).SetString("343597383670000000000000000000000000000000", 10)
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require.True(t, ok)
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tx := L1Tx{
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ToIdx: (1 << 16) - 1,
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FromIdx: (1 << 16) - 1,
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EffectiveAmount: amount,
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}
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txCompressedData, err := tx.BytesDataAvailability(16)
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assert.NoError(t, err)
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assert.Equal(t, "ffffffffffffffffff00", hex.EncodeToString(txCompressedData))
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l1tx, err := L1TxFromDataAvailability(txCompressedData, 16)
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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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tx = L1Tx{
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ToIdx: (1 << 32) - 1,
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FromIdx: (1 << 32) - 1,
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EffectiveAmount: amount,
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}
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txCompressedData, err = tx.BytesDataAvailability(32)
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assert.NoError(t, err)
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assert.Equal(t, "ffffffffffffffffffffffffff00", hex.EncodeToString(txCompressedData))
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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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tx = L1Tx{
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ToIdx: 0,
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FromIdx: 0,
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EffectiveAmount: big.NewInt(0),
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}
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txCompressedData, err = tx.BytesDataAvailability(32)
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assert.NoError(t, err)
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assert.Equal(t, "0000000000000000000000000000", hex.EncodeToString(txCompressedData))
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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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tx = L1Tx{
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ToIdx: 635,
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FromIdx: 296,
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EffectiveAmount: big.NewInt(1000000000000000000),
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}
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txCompressedData, err = tx.BytesDataAvailability(32)
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assert.NoError(t, err)
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assert.Equal(t, "000001280000027b42540be40000", hex.EncodeToString(txCompressedData))
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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.NoError(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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DepositAmount: big.NewInt(2),
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FromIdx: 2,
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FromBJJ: pkComp,
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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.NoError(t, err)
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decodedData, err := L1UserTxFromBytes(encodedData)
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require.NoError(t, err)
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assert.Equal(t, l1Tx, decodedData)
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encodedData2, err := decodedData.BytesUser()
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require.NoError(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.NoError(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.NoError(t, err)
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depositAmount := new(big.Int)
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depositAmount.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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DepositAmount: depositAmount,
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FromIdx: Idx(29767899),
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FromBJJ: pkComp,
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FromEthAddr: ethCommon.HexToAddress("0x85dab5b9e2e361d0c208d77be90efcc0439b0a53"),
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UserOrigin: true,
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}
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encodedData, err := l1Tx.BytesUser()
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require.NoError(t, err)
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expected := "85dab5b9e2e361d0c208d77be90efcc0439b0a530dd02deb2c81068e7a0f7e327df80b4ab79ee1f41a7def613e73a20c32eece5a000001c638db52540be400459682f0000020039c0000053cb88d"
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assert.Equal(t, expected, hex.EncodeToString(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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privateKey, err := crypto.HexToECDSA("fad9c8855b740a0b7ed4c221dbad0f33a83a49cad6b3fe8d5817ac83d38b6a19")
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require.NoError(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.NoError(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.NoError(t, err)
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accCreationAuth := AccountCreationAuth{
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EthAddr: fromEthAddr,
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BJJ: pkComp,
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}
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h, err := accCreationAuth.HashToSign(uint16(chainID.Uint64()), hermezAddress)
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require.NoError(t, err)
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signature, err := crypto.Sign(h, privateKey)
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require.NoError(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: pkComp,
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FromEthAddr: fromEthAddr,
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Amount: big.NewInt(0),
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DepositAmount: big.NewInt(0),
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}
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bytesCoordinatorL1, err := l1Tx.BytesCoordinatorTx(signature)
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require.NoError(t, err)
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l1txDecoded, err := L1CoordinatorTxFromBytes(bytesCoordinatorL1, chainID, hermezAddress)
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require.NoError(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.NoError(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.NoError(t, err)
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s, err := hex.DecodeString("186d7122ff7f654cfed3156719774898d573900c86599a885a706dbdffe5ea8c")
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require.NoError(t, err)
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v, err := hex.DecodeString("1b")
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require.NoError(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.NoError(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.NoError(t, err)
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// Data from the compatibility test
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require.NoError(t, err)
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l1Tx := &L1Tx{
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TokenID: 231,
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FromBJJ: pkComp,
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}
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encodeData, err := l1Tx.BytesCoordinatorTx(signature)
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require.NoError(t, err)
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expected, err := utils.HexDecode("1b186d7122ff7f654cfed3156719774898d573900c86599a885a706dbdffe5ea8cda71e5eb097e115405d84d1e7b464009b434b32c014a2df502d1f065ced8bc3ba2c2807ee39c3b3378738cff85a46a9465bb8fcf44ea597c33da9719be7c259c000000e7")
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require.NoError(t, err)
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assert.Equal(t, expected, encodeData)
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}
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func TestL1TxID(t *testing.T) {
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// L1UserTx
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i64_1 := int64(1)
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i64_2 := int64(2)
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tx0 := L1Tx{
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UserOrigin: true,
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ToForgeL1TxsNum: &i64_1,
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Position: 1,
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}
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err := tx0.SetID()
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require.NoError(t, err)
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assert.Equal(t, TxIDPrefixL1UserTx, tx0.TxID[0])
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// differ ToForgeL1TxsNum
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tx1 := L1Tx{
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UserOrigin: true,
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ToForgeL1TxsNum: &i64_2,
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Position: 1,
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}
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err = tx1.SetID()
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require.NoError(t, err)
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assert.NotEqual(t, tx0.TxID, tx1.TxID)
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// differ Position
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tx1 = L1Tx{
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UserOrigin: true,
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ToForgeL1TxsNum: &i64_1,
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Position: 2,
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}
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err = tx1.SetID()
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require.NoError(t, err)
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assert.NotEqual(t, tx0.TxID, tx1.TxID)
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// L1CoordinatorTx
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bn1 := BatchNum(1)
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bn2 := BatchNum(2)
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tx0 = L1Tx{
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UserOrigin: false,
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BatchNum: &bn1,
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Position: 1,
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}
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err = tx0.SetID()
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require.NoError(t, err)
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assert.Equal(t, TxIDPrefixL1CoordTx, tx0.TxID[0])
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// differ BatchNum
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tx1 = L1Tx{
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UserOrigin: false,
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BatchNum: &bn2,
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Position: 1,
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}
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err = tx1.SetID()
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require.NoError(t, err)
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assert.NotEqual(t, tx0.TxID, tx1.TxID)
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// differ Position
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tx1 = L1Tx{
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UserOrigin: false,
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BatchNum: &bn1,
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Position: 2,
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}
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err = tx1.SetID()
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require.NoError(t, err)
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assert.NotEqual(t, tx0.TxID, tx1.TxID)
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}
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