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package test
import ( "context" "crypto/ecdsa" "encoding/binary" "math/big" "testing" "time"
ethCommon "github.com/ethereum/go-ethereum/common" ethCrypto "github.com/ethereum/go-ethereum/crypto" "github.com/hermeznetwork/hermez-node/common" "github.com/hermeznetwork/hermez-node/eth" "github.com/iden3/go-iden3-crypto/babyjub" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require")
type timer struct { time int64}
func (t *timer) Time() int64 { currentTime := t.time t.time++ return currentTime}
func TestClientInterface(t *testing.T) { var c eth.ClientInterface var timer timer clientSetup := NewClientSetupExample() client := NewClient(true, &timer, ðCommon.Address{}, clientSetup) c = client require.NotNil(t, c)}
func TestClientEth(t *testing.T) { var timer timer clientSetup := NewClientSetupExample() c := NewClient(true, &timer, ðCommon.Address{}, clientSetup) blockNum, err := c.EthCurrentBlock() require.Nil(t, err) assert.Equal(t, int64(0), blockNum)
block, err := c.EthBlockByNumber(context.TODO(), 0) require.Nil(t, err) assert.Equal(t, int64(0), block.EthBlockNum) assert.Equal(t, time.Unix(0, 0), block.Timestamp) assert.Equal(t, "0x0000000000000000000000000000000000000000000000000000000000000000", block.Hash.Hex()) assert.Equal(t, int64(0), c.blockNum)
// Mine some empty blocks
c.CtlMineBlock() assert.Equal(t, int64(1), c.blockNum) c.CtlMineBlock() assert.Equal(t, int64(2), c.blockNum)
block, err = c.EthBlockByNumber(context.TODO(), 2) require.Nil(t, err) assert.Equal(t, int64(2), block.EthBlockNum) assert.Equal(t, time.Unix(2, 0), block.Timestamp)}
func TestClientAuction(t *testing.T) { addrBidder1 := ethCommon.HexToAddress("0x6b175474e89094c44da98b954eedeac495271d0f") addrBidder2 := ethCommon.HexToAddress("0xc27cadc437d067a6ec869502cc9f7F834cFc087a") addrForge := ethCommon.HexToAddress("0xCfAA413eEb796f328620a3630Ae39124cabcEa92") addrForge2 := ethCommon.HexToAddress("0x1fCb4ac309428feCc61B1C8cA5823C15A5e1a800")
var timer timer clientSetup := NewClientSetupExample() clientSetup.AuctionVariables.ClosedAuctionSlots = 2 clientSetup.AuctionVariables.OpenAuctionSlots = 4320 clientSetup.AuctionVariables.DefaultSlotSetBid = [6]*big.Int{ big.NewInt(1000), big.NewInt(1100), big.NewInt(1200), big.NewInt(1300), big.NewInt(1400), big.NewInt(1500)} c := NewClient(true, &timer, &addrBidder1, clientSetup)
// Check several cases in which bid doesn't succed, and also do 2 successful bids.
_, err := c.AuctionBid(0, big.NewInt(1)) assert.Equal(t, errBidClosed, err)
_, err = c.AuctionBid(4322, big.NewInt(1)) assert.Equal(t, errBidNotOpen, err)
// 101 % 6 = 5; defaultSlotSetBid[5] = 1500; 1500 + 10% = 1650
_, err = c.AuctionBid(101, big.NewInt(1650)) assert.Equal(t, errCoordNotReg, err)
_, err = c.AuctionSetCoordinator(addrForge, "https://foo.bar") assert.Nil(t, err)
_, err = c.AuctionBid(3, big.NewInt(1)) assert.Equal(t, errBidBelowMin, err)
_, err = c.AuctionBid(3, big.NewInt(1650)) assert.Nil(t, err)
c.CtlSetAddr(addrBidder2) _, err = c.AuctionSetCoordinator(addrForge2, "https://foo2.bar") assert.Nil(t, err)
_, err = c.AuctionBid(3, big.NewInt(16)) assert.Equal(t, errBidBelowMin, err)
// 1650 + 10% = 1815
_, err = c.AuctionBid(3, big.NewInt(1815)) assert.Nil(t, err)
c.CtlMineBlock()
blockNum, err := c.EthCurrentBlock() require.Nil(t, err)
auctionEvents, _, err := c.AuctionEventsByBlock(blockNum) require.Nil(t, err) assert.Equal(t, 2, len(auctionEvents.NewBid))}
func TestClientRollup(t *testing.T) { token1Addr := ethCommon.HexToAddress("0x6b175474e89094c44da98b954eedeac495271d0f")
var timer timer clientSetup := NewClientSetupExample() c := NewClient(true, &timer, ðCommon.Address{}, clientSetup)
// Add a token
tx, err := c.RollupAddToken(token1Addr) require.Nil(t, err) assert.NotNil(t, tx)
// Add some L1UserTxs
// Create Accounts
const N = 16 var keys [N]*keys for i := 0; i < N; i++ { keys[i] = genKeys(int64(i)) l1UserTx := common.L1Tx{ FromIdx: nil, FromEthAddr: keys[i].Addr, FromBJJ: keys[i].BJJPublicKey, TokenID: common.TokenID(0), LoadAmount: big.NewInt(10 + int64(i)), } c.CtlAddL1TxUser(&l1UserTx) } c.CtlMineBlock()
blockNum, err := c.EthCurrentBlock() require.Nil(t, err) rollupEvents, _, err := c.RollupEventsByBlock(blockNum) require.Nil(t, err) assert.Equal(t, N, len(rollupEvents.L1UserTx)) assert.Equal(t, 1, len(rollupEvents.AddToken))
// Forge a batch
c.CtlAddBatch(ð.RollupForgeBatchArgs{ NewLastIdx: 0, NewStRoot: big.NewInt(1), NewExitRoot: big.NewInt(100), L1CoordinatorTxs: []*common.L1Tx{}, L2TxsData: []*common.L2Tx{}, FeeIdxCoordinator: make([]common.Idx, eth.RollupConstFeeIdxCoordinatorLen), VerifierIdx: 0, L1Batch: true, }) c.CtlMineBlock()
blockNumA, err := c.EthCurrentBlock() require.Nil(t, err) rollupEvents, hashA, err := c.RollupEventsByBlock(blockNumA) require.Nil(t, err) assert.Equal(t, 0, len(rollupEvents.L1UserTx)) assert.Equal(t, 0, len(rollupEvents.AddToken)) assert.Equal(t, 1, len(rollupEvents.ForgeBatch))
// Simulate reorg discarding last mined block
c.CtlRollback() c.CtlMineBlock()
blockNumB, err := c.EthCurrentBlock() require.Nil(t, err) rollupEvents, hashB, err := c.RollupEventsByBlock(blockNumA) require.Nil(t, err) assert.Equal(t, 0, len(rollupEvents.L1UserTx)) assert.Equal(t, 0, len(rollupEvents.AddToken)) assert.Equal(t, 0, len(rollupEvents.ForgeBatch))
assert.Equal(t, blockNumA, blockNumB) assert.NotEqual(t, hashA, hashB)
// Forge again
rollupForgeBatchArgs0 := ð.RollupForgeBatchArgs{ NewLastIdx: 0, NewStRoot: big.NewInt(1), NewExitRoot: big.NewInt(100), L1CoordinatorTxs: []*common.L1Tx{}, L2TxsData: []*common.L2Tx{}, FeeIdxCoordinator: make([]common.Idx, eth.RollupConstFeeIdxCoordinatorLen), VerifierIdx: 0, L1Batch: true, } c.CtlAddBatch(rollupForgeBatchArgs0) c.CtlMineBlock()
// Retrieve ForgeBatchArguments starting from the events
blockNum, err = c.EthCurrentBlock() require.Nil(t, err) rollupEvents, _, err = c.RollupEventsByBlock(blockNum) require.Nil(t, err)
rollupForgeBatchArgs1, err := c.RollupForgeBatchArgs(rollupEvents.ForgeBatch[0].EthTxHash) require.Nil(t, err) assert.Equal(t, rollupForgeBatchArgs0, rollupForgeBatchArgs1)}
type keys struct { BJJSecretKey *babyjub.PrivateKey BJJPublicKey *babyjub.PublicKey Addr ethCommon.Address}
func genKeys(i int64) *keys { i++ // i = 0 doesn't work for the ecdsa key generation
var sk babyjub.PrivateKey binary.LittleEndian.PutUint64(sk[:], uint64(i))
// eth address
var key ecdsa.PrivateKey key.D = big.NewInt(i) // only for testing
key.PublicKey.X, key.PublicKey.Y = ethCrypto.S256().ScalarBaseMult(key.D.Bytes()) key.Curve = ethCrypto.S256() addr := ethCrypto.PubkeyToAddress(key.PublicKey)
return &keys{ BJJSecretKey: &sk, BJJPublicKey: sk.Public(), Addr: addr, }}
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