1package txselector
  2
  3import (
  4	"io/ioutil"
  5	"os"
  6	"strconv"
  7	"testing"
  8	"time"
  9
 10	ethCommon "github.com/ethereum/go-ethereum/common"
 11	"github.com/hermeznetwork/hermez-node/common"
 12	dbUtils "github.com/hermeznetwork/hermez-node/db"
 13	"github.com/hermeznetwork/hermez-node/db/historydb"
 14	"github.com/hermeznetwork/hermez-node/db/l2db"
 15	"github.com/hermeznetwork/hermez-node/db/statedb"
 16	"github.com/hermeznetwork/hermez-node/test"
 17	"github.com/hermeznetwork/hermez-node/test/til"
 18	"github.com/hermeznetwork/hermez-node/txprocessor"
 19	"github.com/jmoiron/sqlx"
 20	"github.com/stretchr/testify/assert"
 21	"github.com/stretchr/testify/require"
 22)
 23
 24func initTest(t *testing.T, chainID uint16, testSet string) *TxSelector {
 25	pass := os.Getenv("POSTGRES_PASS")
 26	db, err := dbUtils.InitSQLDB(5432, "localhost", "hermez", pass, "hermez")
 27	require.NoError(t, err)
 28	l2DB := l2db.NewL2DB(db, 10, 100, 24*time.Hour)
 29
 30	dir, err := ioutil.TempDir("", "tmpdb")
 31	require.NoError(t, err)
 32	defer assert.NoError(t, os.RemoveAll(dir))
 33	sdb, err := statedb.NewStateDB(dir, 128, statedb.TypeTxSelector, 0)
 34	require.NoError(t, err)
 35
 36	txselDir, err := ioutil.TempDir("", "tmpTxSelDB")
 37	require.NoError(t, err)
 38	defer assert.NoError(t, os.RemoveAll(dir))
 39
 40	coordAccount := &CoordAccount{ // TODO TMP
 41		Addr:                ethCommon.HexToAddress("0xc58d29fA6e86E4FAe04DDcEd660d45BCf3Cb2370"),
 42		BJJ:                 common.EmptyBJJComp,
 43		AccountCreationAuth: nil,
 44	}
 45
 46	txsel, err := NewTxSelector(coordAccount, txselDir, sdb, l2DB)
 47	require.NoError(t, err)
 48
 49	return txsel
 50}
 51func addL2Txs(t *testing.T, txsel *TxSelector, poolL2Txs []common.PoolL2Tx) {
 52	for i := 0; i < len(poolL2Txs); i++ {
 53		err := txsel.l2db.AddTxTest(&poolL2Txs[i])
 54		require.NoError(t, err)
 55	}
 56}
 57
 58func addTokens(t *testing.T, tokens []common.Token, db *sqlx.DB) {
 59	hdb := historydb.NewHistoryDB(db)
 60	test.WipeDB(hdb.DB())
 61	assert.NoError(t, hdb.AddBlock(&common.Block{
 62		Num: 1,
 63	}))
 64	assert.NoError(t, hdb.AddTokens(tokens))
 65}
 66
 67func TestGetL2TxSelection(t *testing.T) {
 68	chainID := uint16(0)
 69	txsel := initTest(t, chainID, til.SetPool0)
 70	test.WipeDB(txsel.l2db.DB())
 71
 72	tc := til.NewContext(chainID, common.RollupConstMaxL1UserTx)
 73	// generate test transactions
 74	blocks, err := tc.GenerateBlocks(til.SetBlockchain0)
 75	assert.NoError(t, err)
 76	// poolL2Txs, err := tc.GeneratePoolL2Txs(til.SetPool0)
 77	// assert.NoError(t, err)
 78
 79	coordIdxs := make(map[common.TokenID]common.Idx)
 80	coordIdxs[common.TokenID(0)] = common.Idx(256)
 81	coordIdxs[common.TokenID(1)] = common.Idx(257)
 82	coordIdxs[common.TokenID(2)] = common.Idx(258)
 83	coordIdxs[common.TokenID(3)] = common.Idx(259)
 84
 85	// add tokens to HistoryDB to avoid breaking FK constrains
 86	var tokens []common.Token
 87	for i := 0; i < int(tc.LastRegisteredTokenID); i++ {
 88		tokens = append(tokens, common.Token{
 89			TokenID:     common.TokenID(i + 1),
 90			EthBlockNum: 1,
 91			EthAddr:     ethCommon.BytesToAddress([]byte{byte(i + 1)}),
 92			Name:        strconv.Itoa(i),
 93			Symbol:      strconv.Itoa(i),
 94			Decimals:    18,
 95		})
 96	}
 97	addTokens(t, tokens, txsel.l2db.DB())
 98
 99	tpc := txprocessor.Config{
100		NLevels:  32,
101		MaxFeeTx: 64,
102		MaxTx:    512,
103		MaxL1Tx:  64,
104		ChainID:  chainID,
105	}
106	selectionConfig := &SelectionConfig{
107		MaxL1UserTxs:        32,
108		MaxL1CoordinatorTxs: 32,
109		TxProcessorConfig:   tpc,
110	}
111	txselStateDB := txsel.localAccountsDB.StateDB
112	tp := txprocessor.NewTxProcessor(txselStateDB, selectionConfig.TxProcessorConfig)
113
114	// Process the 1st batch, which contains the L1CoordinatorTxs necessary
115	// to create the Coordinator accounts to receive the fees
116	_, err = tp.ProcessTxs(nil, nil, blocks[0].Rollup.Batches[0].L1CoordinatorTxs, nil)
117	require.NoError(t, err)
118
119	// add the 1st batch of transactions to the TxSelector
120	addL2Txs(t, txsel, common.L2TxsToPoolL2Txs(blocks[0].Rollup.Batches[0].L2Txs))
121
122	_, _, l1CoordTxs, l2Txs, err := txsel.GetL2TxSelection(selectionConfig, 0)
123	assert.NoError(t, err)
124	assert.Equal(t, 0, len(l2Txs))
125	assert.Equal(t, 0, len(l1CoordTxs))
126
127	_, _, _, _, _, err = txsel.GetL1L2TxSelection(selectionConfig, 0, blocks[0].Rollup.L1UserTxs)
128	assert.NoError(t, err)
129
130	// TODO once L2DB is updated to return error in case that AddTxTest
131	// fails, and the Til is updated, update this test, checking that the
132	// selected PoolL2Tx are correctly sorted by Nonce
133
134	// TODO once L2DB is updated to store the parameter AbsoluteFee (which
135	// is used by TxSelector to sort L2Txs), uncomment this next lines of
136	// test, and put the expected value for
137	// l2Txs[len(l2Txs)-1].AbsoluteFee, which is the Tx which has the
138	// Fee==192.
139	/*
140		// add the 3rd batch of transactions to the TxSelector
141		addL2Txs(t, txsel, common.L2TxsToPoolL2Txs(blocks[0].Batches[2].L2Txs))
142
143		_, l2Txs, err = txsel.GetL2TxSelection(coordIdxs, 0)
144		assert.NoError(t, err)
145		for _, tx := range l2Txs {
146			fmt.Println(tx.FromIdx, tx.ToIdx, tx.AbsoluteFee)
147		}
148		require.Equal(t, 10, len(l2Txs))
149		assert.Equal(t, float64(0), l2Txs[0].AbsoluteFee)
150
151		fmt.Println(l2Txs[len(l2Txs)-1].Amount)
152		assert.Equal(t, float64(4), l2Txs[len(l2Txs)-1].AbsoluteFee)
153	*/
154}