Load ethereum private key

Load an ethereum keystore when the node is started in coordinator mode.  The
private key corresponding to the forger address must be imported into the
keystore before running the node in coordinator mode.  You can see an examples
in `cli/node/load-sk-example.sh`.

coordinator/coordinator_test.go

@@ -10,7 +10,10 @@ import (
 	"testing"
 	"time"
 
+	ethKeystore "github.com/ethereum/go-ethereum/accounts/keystore"
 	ethCommon "github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/hermeznetwork/hermez-node/batchbuilder"
 	"github.com/hermeznetwork/hermez-node/common"
 	dbUtils "github.com/hermeznetwork/hermez-node/db"
@@ -26,6 +29,7 @@ import (
 	"github.com/hermeznetwork/hermez-node/txprocessor"
 	"github.com/hermeznetwork/hermez-node/txselector"
 	"github.com/hermeznetwork/tracerr"
+	"github.com/iden3/go-merkletree"
 	"github.com/iden3/go-merkletree/db/pebble"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -428,8 +432,9 @@ func TestPipelineShouldL1L2Batch(t *testing.T) {
 	ctx := context.Background()
 	ethClient := test.NewClient(true, &timer, &bidder, ethClientSetup)
 	modules := newTestModules(t)
+	var stats synchronizer.Stats
 	coord := newTestCoordinator(t, forger, ethClient, ethClientSetup, modules)
-	pipeline, err := coord.newPipeline(ctx)
+	pipeline, err := coord.newPipeline(ctx, &stats)
 	require.NoError(t, err)
 	pipeline.vars = coord.vars
 
@@ -439,8 +444,6 @@ func TestPipelineShouldL1L2Batch(t *testing.T) {
 	l1BatchTimeoutPerc := pipeline.cfg.L1BatchTimeoutPerc
 	l1BatchTimeout := ethClientSetup.RollupVariables.ForgeL1L2BatchTimeout
 
-	var stats synchronizer.Stats
-
 	startBlock := int64(100)
 
 	//
@@ -576,11 +579,6 @@ func TestPipeline1(t *testing.T) {
 	modules := newTestModules(t)
 	coord := newTestCoordinator(t, forger, ethClient, ethClientSetup, modules)
 	sync := newTestSynchronizer(t, ethClient, ethClientSetup, modules)
-	pipeline, err := coord.newPipeline(ctx)
-	require.NoError(t, err)
-
-	require.NotNil(t, sync)
-	require.NotNil(t, pipeline)
 
 	// preload the synchronier (via the test ethClient) some tokens and
 	// users with positive balances
@@ -589,6 +587,9 @@ func TestPipeline1(t *testing.T) {
 	batchNum := common.BatchNum(syncStats.Sync.LastBatch)
 	syncSCVars := sync.SCVars()
 
+	pipeline, err := coord.newPipeline(ctx, syncStats)
+	require.NoError(t, err)
+
 	// Insert some l2txs in the Pool
 	setPool := `
 Type: PoolL2
@@ -713,6 +714,80 @@ func TestCoordinatorStress(t *testing.T) {
 	coord.Stop()
 }
 
+func TestRollupForgeBatch(t *testing.T) {
+	if os.Getenv("TEST_ROLLUP_FORGE_BATCH") == "" {
+		return
+	}
+	const web3URL = "http://localhost:8545"
+	const password = "test"
+	addr := ethCommon.HexToAddress("0xb4124ceb3451635dacedd11767f004d8a28c6ee7")
+	sk, err := crypto.HexToECDSA(
+		"a8a54b2d8197bc0b19bb8a084031be71835580a01e70a45a13babd16c9bc1563")
+	require.NoError(t, err)
+	rollupAddr := ethCommon.HexToAddress("0x8EEaea23686c319133a7cC110b840d1591d9AeE0")
+	pathKeystore, err := ioutil.TempDir("", "tmpKeystore")
+	require.NoError(t, err)
+	deleteme = append(deleteme, pathKeystore)
+	ctx := context.Background()
+	batchInfo := &BatchInfo{}
+	proofClient := &prover.MockClient{}
+	chainID := uint16(0)
+
+	ethClient, err := ethclient.Dial(web3URL)
+	require.NoError(t, err)
+	ethCfg := eth.EthereumConfig{
+		CallGasLimit:        300000,
+		DeployGasLimit:      1000000,
+		GasPriceDiv:         100,
+		ReceiptTimeout:      60 * time.Second,
+		IntervalReceiptLoop: 500 * time.Millisecond,
+	}
+	scryptN := ethKeystore.LightScryptN
+	scryptP := ethKeystore.LightScryptP
+	keyStore := ethKeystore.NewKeyStore(pathKeystore,
+		scryptN, scryptP)
+	account, err := keyStore.ImportECDSA(sk, password)
+	require.NoError(t, err)
+	require.Equal(t, account.Address, addr)
+	err = keyStore.Unlock(account, password)
+	require.NoError(t, err)
+
+	client, err := eth.NewClient(ethClient, &account, keyStore, &eth.ClientConfig{
+		Ethereum: ethCfg,
+		Rollup: eth.RollupConfig{
+			Address: rollupAddr,
+		},
+		Auction: eth.AuctionConfig{
+			Address: ethCommon.Address{},
+			TokenHEZ: eth.TokenConfig{
+				Address: ethCommon.Address{},
+				Name:    "HEZ",
+			},
+		},
+		WDelayer: eth.WDelayerConfig{
+			Address: ethCommon.Address{},
+		},
+	})
+	require.NoError(t, err)
+
+	zkInputs := common.NewZKInputs(chainID, 100, 24, 512, 32, big.NewInt(1))
+	zkInputs.Metadata.NewStateRootRaw = &merkletree.Hash{1}
+	zkInputs.Metadata.NewExitRootRaw = &merkletree.Hash{2}
+	batchInfo.ZKInputs = zkInputs
+	err = proofClient.CalculateProof(ctx, batchInfo.ZKInputs)
+	require.NoError(t, err)
+
+	proof, pubInputs, err := proofClient.GetProof(ctx)
+	require.NoError(t, err)
+	batchInfo.Proof = proof
+	batchInfo.PublicInputs = pubInputs
+
+	batchInfo.ForgeBatchArgs = prepareForgeBatchArgs(batchInfo)
+	_, err = client.RollupForgeBatch(batchInfo.ForgeBatchArgs)
+	require.NoError(t, err)
+	batchInfo.Proof = proof
+}
+
 // TODO: Test Reorg
 // TODO: Test Pipeline
 // TODO: Test TxMonitor