Import & adapt iden/go-iden3-core/eth/client

common/account.go

@@ -6,7 +6,7 @@ import (
 	"fmt"
 	"math/big"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 	"github.com/iden3/go-iden3-crypto/babyjub"
 	"github.com/iden3/go-iden3-crypto/poseidon"
 	cryptoUtils "github.com/iden3/go-iden3-crypto/utils"
@@ -20,7 +20,7 @@ type Account struct {
 	Nonce     uint64   // max of 40 bits used
 	Balance   *big.Int // max of 192 bits used
 	PublicKey *babyjub.PublicKey
-	EthAddr   eth.Address
+	EthAddr   ethCommon.Address
 }
 
 func (a *Account) String() string {
@@ -121,7 +121,7 @@ func AccountFromBytes(b [32 * NLEAFELEMS]byte) (*Account, error) {
 		return nil, err
 	}
 	publicKey := babyjub.PublicKey(*pkPoint)
-	ethAddr := eth.BytesToAddress(b[96:116])
+	ethAddr := ethCommon.BytesToAddress(b[96:116])
 
 	if !cryptoUtils.CheckBigIntInField(balance) {
 		return nil, ErrNotInFF

common/accountcreationauths.go

@@ -3,14 +3,14 @@ package common
 import (
 	"time"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 	"github.com/iden3/go-iden3-crypto/babyjub"
 )
 
 // AccountCreationAuth authorizations sent by users to the L2DB, to be used for account creations when necessary
 type AccountCreationAuth struct {
 	Timestamp time.Time
-	EthAddr   eth.Address
+	EthAddr   ethCommon.Address
 	BJJ       babyjub.PublicKey
 	Signature babyjub.Signature
 }

common/batch.go

@@ -3,25 +3,25 @@ package common
 import (
 	"math/big"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 )
 
 // Batch is a struct that represents Hermez network batch
 type Batch struct {
 	BatchNum         BatchNum
 	SlotNum          SlotNum // Slot in which the batch is forged
-	EthTxHash        eth.Hash
+	EthTxHash        ethCommon.Hash
 	EthBlockNum      uint64 // Ethereum block in which the batch is forged
 	ExitRoot         Hash
 	OldStateRoot     Hash
 	NewStateRoot     Hash
 	OldNumAccounts   int
 	NewNumAccounts   int
-	ToForgeL1TxsNum  uint32   // optional, Only when the batch forges L1 txs. Identifier that corresponds to the group of L1 txs forged in the current batch.
+	ToForgeL1TxsNum  uint32         // optional, Only when the batch forges L1 txs. Identifier that corresponds to the group of L1 txs forged in the current batch.
-	ToForgeL1TxsHash eth.Hash // optional, Only when the batch forges L1 txs. Frozen from pendingL1TxsHash (which are the group of L1UserTxs), to be forged in ToForgeL1TxsNum + 1.
+	ToForgeL1TxsHash ethCommon.Hash // optional, Only when the batch forges L1 txs. Frozen from pendingL1TxsHash (which are the group of L1UserTxs), to be forged in ToForgeL1TxsNum + 1.
-	ForgedL1TxsHash  eth.Hash // optional, Only when the batch forges L1 txs. This will be the Hash of the group of L1 txs (L1UserTxs + L1CoordinatorTx) forged in the current batch.
+	ForgedL1TxsHash  ethCommon.Hash // optional, Only when the batch forges L1 txs. This will be the Hash of the group of L1 txs (L1UserTxs + L1CoordinatorTx) forged in the current batch.
 	CollectedFees    map[TokenID]*big.Int
-	ForgerAddr       eth.Address // TODO: Should this be retrieved via slot reference?
+	ForgerAddr       ethCommon.Address // TODO: Should this be retrieved via slot reference?
 }
 
 // BatchNum identifies a batch

common/bid.go

@@ -3,13 +3,13 @@ package common
 import (
 	"math/big"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 )
 
 // Bid is a struct that represents one bid in the PoH
 type Bid struct {
-	SlotNum     SlotNum     `meddler:"slot_num"`
+	SlotNum     SlotNum           `meddler:"slot_num"`
-	ForgerAddr  eth.Address `meddler:"forger_addr"` // Coordinator reference
+	ForgerAddr  ethCommon.Address `meddler:"forger_addr"` // Coordinator reference
-	BidValue    *big.Int    `meddler:"bid_value,bigint"`
+	BidValue    *big.Int          `meddler:"bid_value,bigint"`
-	EthBlockNum uint64      `meddler:"eth_block_num"`
+	EthBlockNum uint64            `meddler:"eth_block_num"`
 }

common/block.go

@@ -3,12 +3,12 @@ package common
 import (
 	"time"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 )
 
 // Block represents of an Ethereum block
 type Block struct {
-	EthBlockNum uint64    `meddler:"eth_block_num"`
+	EthBlockNum uint64         `meddler:"eth_block_num"`
-	Timestamp   time.Time `meddler:"timestamp"`
+	Timestamp   time.Time      `meddler:"timestamp"`
-	Hash        eth.Hash  `meddler:"hash"`
+	Hash        ethCommon.Hash `meddler:"hash"`
 }

common/coordinator.go

@@ -1,14 +1,14 @@
 package common
 
 import (
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 )
 
 // Coordinator represents a Hermez network coordinator who wins an auction for an specific slot
 // WARNING: this is strongly based on the previous implementation, once the new spec is done, this may change a lot.
 type Coordinator struct {
-	Forger      eth.Address // address of the forger
+	Forger      ethCommon.Address // address of the forger
-	Beneficiary eth.Address // address of the beneficiary
+	Beneficiary ethCommon.Address // address of the beneficiary
-	Withdraw    eth.Address // address of the withdraw
+	Withdraw    ethCommon.Address // address of the withdraw
-	URL         string      // URL of the coordinators API
+	URL         string            // URL of the coordinators API
 }

common/l1tx.go

@@ -3,7 +3,7 @@ package common
 import (
 	"math/big"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 	"github.com/iden3/go-iden3-crypto/babyjub"
 )
 
@@ -15,7 +15,7 @@ type L1Tx struct {
 	Position        int                `meddler:"position"`
 	UserOrigin      bool               `meddler:"user_origin"` // true if the tx was originated by a user, false if it was aoriginated by a coordinator. Note that this differ from the spec for implementation simplification purpposes
 	FromIdx         Idx                `meddler:"from_idx"`    // FromIdx is used by L1Tx/Deposit to indicate the Idx receiver of the L1Tx.LoadAmount (deposit)
-	FromEthAddr     eth.Address        `meddler:"from_eth_addr"`
+	FromEthAddr     ethCommon.Address  `meddler:"from_eth_addr"`
 	FromBJJ         *babyjub.PublicKey `meddler:"from_bjj"`
 	ToIdx           Idx                `meddler:"to_idx"` // ToIdx is ignored in L1Tx/Deposit, but used in the L1Tx/DepositAndTransfer
 	TokenID         TokenID            `meddler:"token_id"`

common/pooll2tx.go

@@ -6,7 +6,7 @@ import (
 	"math/big"
 	"time"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 	"github.com/hermeznetwork/hermez-node/utils"
 	"github.com/iden3/go-iden3-crypto/babyjub"
 	"github.com/iden3/go-iden3-crypto/poseidon"
@@ -40,7 +40,7 @@ type PoolL2Tx struct {
 	TxID      TxID               `meddler:"tx_id"`
 	FromIdx   Idx                `meddler:"from_idx"` // FromIdx is used by L1Tx/Deposit to indicate the Idx receiver of the L1Tx.LoadAmount (deposit)
 	ToIdx     Idx                `meddler:"to_idx"`   // ToIdx is ignored in L1Tx/Deposit, but used in the L1Tx/DepositAndTransfer
-	ToEthAddr eth.Address        `meddler:"to_eth_addr"`
+	ToEthAddr ethCommon.Address  `meddler:"to_eth_addr"`
 	ToBJJ     *babyjub.PublicKey `meddler:"to_bjj"` // TODO: stop using json, use scanner/valuer
 	TokenID   TokenID            `meddler:"token_id"`
 	Amount    *big.Int           `meddler:"amount,bigint"` // TODO: change to float16
@@ -53,7 +53,7 @@ type PoolL2Tx struct {
 	BatchNum          BatchNum           `meddler:"batch_num,zeroisnull"`   // batchNum in which this tx was forged. Presence indicates "forged" state.
 	RqFromIdx         Idx                `meddler:"rq_from_idx,zeroisnull"` // FromIdx is used by L1Tx/Deposit to indicate the Idx receiver of the L1Tx.LoadAmount (deposit)
 	RqToIdx           Idx                `meddler:"rq_to_idx,zeroisnull"`   // FromIdx is used by L1Tx/Deposit to indicate the Idx receiver of the L1Tx.LoadAmount (deposit)
-	RqToEthAddr       eth.Address        `meddler:"rq_to_eth_addr"`
+	RqToEthAddr       ethCommon.Address  `meddler:"rq_to_eth_addr"`
 	RqToBJJ           *babyjub.PublicKey `meddler:"rq_to_bjj"` // TODO: stop using json, use scanner/valuer
 	RqTokenID         TokenID            `meddler:"rq_token_id,zeroisnull"`
 	RqAmount          *big.Int           `meddler:"rq_amount,bigintnull"` // TODO: change to float16

common/smartcontractparams.go

@@ -3,19 +3,19 @@ package common
 import (
 	"math/big"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 )
 
 // SmartContractParameters describes the constant values of the parameters of the Hermez smart contracts
 // WARNING: not stable at all
 type SmartContractParameters struct {
-	SlotDuration        uint64      // number of ethereum blocks in a slot
+	SlotDuration        uint64            // number of ethereum blocks in a slot
-	Slot0BlockNum       uint64      // ethereum block number of the first slot (slot 0)
+	Slot0BlockNum       uint64            // ethereum block number of the first slot (slot 0)
-	MaxL1UserTxs        uint64      // maximum number of L1UserTxs that can be queued for a single batch
+	MaxL1UserTxs        uint64            // maximum number of L1UserTxs that can be queued for a single batch
-	FreeCoordinatorWait uint64      // if the winning coordinator doesn't forge during this number of blocks, anyone can forge
+	FreeCoordinatorWait uint64            // if the winning coordinator doesn't forge during this number of blocks, anyone can forge
-	ContractAddr        eth.Address // Ethereum address of the rollup smart contract
+	ContractAddr        ethCommon.Address // Ethereum address of the rollup smart contract
-	NLevels             uint16      // Heigth of the SMT. This will determine the maximum number of accounts that can coexist in the Hermez network by 2^nLevels
+	NLevels             uint16            // Heigth of the SMT. This will determine the maximum number of accounts that can coexist in the Hermez network by 2^nLevels
-	MaxTxs              uint16      // Max amount of txs that can be added in a batch, either L1 or L2
+	MaxTxs              uint16            // Max amount of txs that can be added in a batch, either L1 or L2
-	FeeL1Tx             *big.Int    // amount of eth (in wei) that has to be payed to do a L1 tx
+	FeeL1Tx             *big.Int          // amount of eth (in wei) that has to be payed to do a L1 tx
-	FeeDeposit          *big.Int    // amount of eth (in wei) that has to be payed to do a deposit
+	FeeDeposit          *big.Int          // amount of eth (in wei) that has to be payed to do a deposit
 }

common/token.go

@@ -4,18 +4,18 @@ import (
 	"encoding/binary"
 	"time"
 
-	eth "github.com/ethereum/go-ethereum/common"
+	ethCommon "github.com/ethereum/go-ethereum/common"
 )
 
 // Token is a struct that represents an Ethereum token that is supported in Hermez network
 type Token struct {
 	TokenID     TokenID
-	EthAddr     eth.Address
+	EthAddr     ethCommon.Address
 	Name        string
 	Symbol      string
 	Decimals    uint64
-	EthTxHash   eth.Hash // Ethereum TxHash in which this token was registered
+	EthTxHash   ethCommon.Hash // Ethereum TxHash in which this token was registered
-	EthBlockNum uint64   // Ethereum block number in which this token was registered
+	EthBlockNum uint64         // Ethereum block number in which this token was registered
 }
 
 // TokenInfo provides the price of the token in USD

coordinator/coordinator.go

@@ -29,14 +29,14 @@ type Coordinator struct {
 	txsel        *txselector.TxSelector
 	batchBuilder *batchbuilder.BatchBuilder
 
-	ethClient  *eth.EthClient
+	ethClient  *eth.Client
 	ethTxStore kvdb.Storage
 }
 
 // NewCoordinator creates a new Coordinator
 func NewCoordinator() *Coordinator { // once synchronizer is ready, synchronizer.Synchronizer will be passed as parameter here
 	var c *Coordinator
-	c.ethClient = eth.NewEthClient() // TBD
+	// c.ethClient = eth.NewClient() // TBD
 	c.ethTxStore = memory.NewMemoryStorage()
 	return c
 }

eth/client.go

@@ -1,15 +1,206 @@
 package eth
 
-import "github.com/hermeznetwork/hermez-node/common"
+import (
+	"context"
+	"fmt"
+	"math/big"
+	"time"
 
-type EthClient struct {
+	"github.com/ethereum/go-ethereum/accounts"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	ethKeystore "github.com/ethereum/go-ethereum/accounts/keystore"
+	ethCommon "github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/hermeznetwork/hermez-node/common"
+	"github.com/hermeznetwork/hermez-node/log"
+)
+
+var (
+	ErrAccountNil = fmt.Errorf("Authorized calls can't be made when the account is nil")
+	// ErrReceiptStatusFailed when receiving a failed transaction
+	ErrReceiptStatusFailed = fmt.Errorf("receipt status is failed")
+	// ErrReceiptNotRecieved when unable to retrieve a transaction
+	ErrReceiptNotReceived = fmt.Errorf("receipt not available")
+)
+
+const (
+	errStrDeploy      = "deployment of %s failed: %w"
+	errStrWaitReceipt = "wait receipt of %s deploy failed: %w"
+)
+
+// Client is an ethereum client to call Smart Contract methods.
+type Client struct {
+	client         *ethclient.Client
+	account        *accounts.Account
+	ks             *ethKeystore.KeyStore
+	ReceiptTimeout time.Duration
 }
 
-func NewEthClient() *EthClient {
+// NewClient creates a Client instance.  The account is not mandatory (it can
-	// TODO
+// be nil).  If the account is nil, CallAuth will fail with ErrAccountNil.
-	return &EthClient{}
+func NewClient(client *ethclient.Client, account *accounts.Account, ks *ethKeystore.KeyStore) *Client {
+	return &Client{client: client, account: account, ks: ks, ReceiptTimeout: 60 * time.Second}
 }
-func (ec *EthClient) ForgeCall(callData *common.CallDataForge) ([]byte, error) {
+
+// BalanceAt retieves information about the default account
+func (c *Client) BalanceAt(addr ethCommon.Address) (*big.Int, error) {
+	return c.client.BalanceAt(context.TODO(), addr, nil)
+}
+
+// Account returns the underlying ethereum account
+func (c *Client) Account() *accounts.Account {
+	return c.account
+}
+
+// CallAuth performs a Smart Contract method call that requires authorization.
+// This call requires a valid account with Ether that can be spend during the
+// call.
+func (c *Client) CallAuth(gasLimit uint64,
+	fn func(*ethclient.Client, *bind.TransactOpts) (*types.Transaction, error)) (*types.Transaction, error) {
+	if c.account == nil {
+		return nil, ErrAccountNil
+	}
+
+	gasPrice, err := c.client.SuggestGasPrice(context.Background())
+	if err != nil {
+		return nil, err
+	}
+	inc := new(big.Int).Set(gasPrice)
+	inc.Div(inc, new(big.Int).SetUint64(100))
+	gasPrice.Add(gasPrice, inc)
+	log.Debug("Transaction metadata", "gasPrice", gasPrice)
+
+	auth, err := bind.NewKeyStoreTransactor(c.ks, *c.account)
+	if err != nil {
+		return nil, err
+	}
+	auth.Value = big.NewInt(0) // in wei
+	if gasLimit == 0 {
+		auth.GasLimit = uint64(300000) // in units
+	} else {
+		auth.GasLimit = gasLimit // in units
+	}
+	auth.GasPrice = gasPrice
+
+	tx, err := fn(c.client, auth)
+	if tx != nil {
+		log.Debug("Transaction", "tx", tx.Hash().Hex(), "nonce", tx.Nonce())
+	}
+	return tx, err
+}
+
+type ContractData struct {
+	Address ethCommon.Address
+	Tx      *types.Transaction
+	Receipt *types.Receipt
+}
+
+// Deploy a smart contract.  `name` is used to log deployment information.  fn
+// is a wrapper to the deploy function generated by abigen.  In case of error,
+// the returned `ContractData` may have some parameters filled depending on the
+// kind of error that ocurred.
+// successfull.
+func (c *Client) Deploy(name string,
+	fn func(c *ethclient.Client, auth *bind.TransactOpts) (ethCommon.Address, *types.Transaction, interface{}, error)) (ContractData, error) {
+	var contractData ContractData
+	log.Info("Deploying", "contract", name)
+	tx, err := c.CallAuth(
+		1000000,
+		func(client *ethclient.Client, auth *bind.TransactOpts) (*types.Transaction, error) {
+			addr, tx, _, err := fn(client, auth)
+			if err != nil {
+				return nil, err
+			}
+			contractData.Address = addr
+			return tx, nil
+		},
+	)
+	if err != nil {
+		return contractData, fmt.Errorf(errStrDeploy, name, err)
+	}
+	log.Info("Waiting receipt", "tx", tx.Hash().Hex(), "contract", name)
+	contractData.Tx = tx
+	receipt, err := c.WaitReceipt(tx)
+	if err != nil {
+		return contractData, fmt.Errorf(errStrWaitReceipt, name, err)
+	}
+	contractData.Receipt = receipt
+	return contractData, nil
+}
+
+// Call performs a read only Smart Contract method call.
+func (c *Client) Call(fn func(*ethclient.Client) error) error {
+	return fn(c.client)
+}
+
+// WaitReceipt will block until a transaction is confirmed.  Internally it
+// polls the state every 200 milliseconds.
+func (c *Client) WaitReceipt(tx *types.Transaction) (*types.Receipt, error) {
+	return c.waitReceipt(tx, context.TODO(), c.ReceiptTimeout)
+}
+
+// GetReceipt will check if a transaction is confirmed and return
+// immediately, waiting at most 1 second and returning error if the transaction
+// is still pending.
+func (c *Client) GetReceipt(tx *types.Transaction) (*types.Receipt, error) {
+	ctx, cancel := context.WithTimeout(context.TODO(), 1*time.Second)
+	defer cancel()
+	return c.waitReceipt(tx, ctx, 0)
+}
+
+func (c *Client) waitReceipt(tx *types.Transaction, ctx context.Context, timeout time.Duration) (*types.Receipt, error) {
+	var err error
+	var receipt *types.Receipt
+
+	txid := tx.Hash()
+	log.Debug("Waiting for receipt", "tx", txid.Hex())
+
+	start := time.Now()
+	for {
+		receipt, err = c.client.TransactionReceipt(ctx, txid)
+		if receipt != nil || time.Since(start) >= timeout {
+			break
+		}
+		time.Sleep(200 * time.Millisecond)
+	}
+
+	if receipt != nil && receipt.Status == types.ReceiptStatusFailed {
+		log.Error("Failed transaction", "tx", txid.Hex())
+		return receipt, ErrReceiptStatusFailed
+	}
+
+	if receipt == nil {
+		log.Debug("Pendingtransaction / Wait receipt timeout", "tx", txid.Hex(), "lasterr", err)
+		return receipt, ErrReceiptNotReceived
+	}
+	log.Debug("Successfull transaction", "tx", txid.Hex())
+
+	return receipt, err
+}
+
+// CurrentBlock returns the current block number in the blockchain
+func (c *Client) CurrentBlock() (*big.Int, error) {
+	ctx, cancel := context.WithTimeout(context.TODO(), 1*time.Second)
+	defer cancel()
+	header, err := c.client.HeaderByNumber(ctx, nil)
+	if err != nil {
+		return nil, err
+	}
+	return header.Number, nil
+}
+
+// HeaderByNumber internally calls ethclient.Client HeaderByNumber
+func (c *Client) HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error) {
+	return c.client.HeaderByNumber(ctx, number)
+}
+
+// BlockByNumber internally calls ethclient.Client BlockByNumber
+func (c *Client) BlockByNumber(ctx context.Context, number *big.Int) (*types.Block, error) {
+	return c.client.BlockByNumber(ctx, number)
+}
+
+func (c *Client) ForgeCall(callData *common.CallDataForge) ([]byte, error) {
 	// TODO this depends on the smart contracts, once are ready this will be updated
 	return nil, nil
 }

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/go-sql-driver/mysql v1.5.0 // indirect
 	github.com/gobuffalo/packr/v2 v2.8.0
 	github.com/iden3/go-iden3-core v0.0.8
-	github.com/iden3/go-iden3-crypto v0.0.6-0.20200819064831-09d161e9f670
+	github.com/iden3/go-iden3-crypto v0.0.6-0.20200823174058-e04ca5764a15
 	github.com/iden3/go-merkletree v0.0.0-20200819092443-dc656fdd32fc
 	github.com/jinzhu/gorm v1.9.15
 	github.com/jmoiron/sqlx v1.2.0

go.sum

@@ -24,6 +24,7 @@ github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWX
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VictoriaMetrics/fastcache v1.5.3/go.mod h1:+jv9Ckb+za/P1ZRg/sulP5Ni1v49daAVERr0H3CuscE=
+github.com/VictoriaMetrics/fastcache v1.5.7 h1:4y6y0G8PRzszQUYIQHHssv/jgPHAb5qQuuDNdCbyAgw=
 github.com/VictoriaMetrics/fastcache v1.5.7/go.mod h1:ptDBkNMQI4RtmVo8VS/XwRY6RoTu1dAWCbrk+6WsEM8=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
@@ -41,6 +42,7 @@ github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apilayer/freegeoip v3.5.0+incompatible/go.mod h1:CUfFqErhFhXneJendyQ/rRcuA8kH8JxHvYnbOozmlCU=
 github.com/aristanetworks/goarista v0.0.0-20170210015632-ea17b1a17847/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
+github.com/aristanetworks/goarista v0.0.0-20190712234253-ed1100a1c015 h1:7ABPr1+uJdqESAdlVevnc/2FJGiC/K3uMg1JiELeF+0=
 github.com/aristanetworks/goarista v0.0.0-20190712234253-ed1100a1c015/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
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@@ -74,8 +76,10 @@ github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 h1:JLaf/iINcLyjw
 github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
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+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
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+github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
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@@ -109,6 +113,7 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
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+github.com/deckarep/golang-set v1.7.1 h1:SCQV0S6gTtp6itiFrTqI+pfmJ4LN85S1YzhDf9rTHJQ=
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@@ -126,6 +131,7 @@ github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1
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@@ -146,6 +152,7 @@ github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI
 github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
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+github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff h1:tY80oXqGNY4FhTFhk+o9oFHGINQ/+vhlm8HFzi6znCI=
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@@ -169,6 +176,7 @@ github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG
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+github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
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@@ -199,6 +207,7 @@ github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfb
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@@ -215,6 +224,7 @@ github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASu
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+github.com/google/uuid v1.0.0 h1:b4Gk+7WdP/d3HZH8EJsZpvV7EtDOgaZLtnaNGIu1adA=
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@@ -222,6 +232,7 @@ github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2z
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+github.com/gorilla/websocket v1.4.1-0.20190629185528-ae1634f6a989 h1:giknQ4mEuDFmmHSrGcbargOuLHQGtywqo4mheITex54=
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@@ -247,17 +258,20 @@ github.com/hashicorp/golang-lru v0.0.0-20160813221303-0a025b7e63ad/go.mod h1:/m3
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@@ -276,6 +290,8 @@ github.com/iden3/go-iden3-crypto v0.0.6-0.20200814110325-70841d78e7d8 h1:1QeVvr/
 github.com/iden3/go-iden3-crypto v0.0.6-0.20200814110325-70841d78e7d8/go.mod h1:oBgthFLboAWi9feaBUFy7OxEcyn9vA1khHSL/WwWFyg=
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@@ -296,6 +312,7 @@ github.com/influxdata/influxdb v1.2.3-0.20180221223340-01288bdb0883/go.mod h1:qZ
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+github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458 h1:6OvNmYgJyexcZ3pYbTI9jWx5tHo1Dee/tWbLMfPe2TA=
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@@ -316,6 +333,7 @@ github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/u
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+github.com/karalabe/usb v0.0.0-20190919080040-51dc0efba356 h1:I/yrLt2WilKxlQKCM52clh5rGzTKpVctGT1lH4Dc8Jw=
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@@ -364,6 +382,7 @@ github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hd
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@@ -404,6 +423,7 @@ github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn
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@@ -421,10 +441,12 @@ github.com/oschwald/maxminddb-golang v1.4.0/go.mod h1:3jhIUymTJ5VREKyIhWm66LJiQt
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@@ -457,9 +479,11 @@ github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7z
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@@ -481,6 +505,7 @@ github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb
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@@ -506,8 +531,11 @@ github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DM
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@@ -526,11 +554,13 @@ github.com/syndtr/goleveldb v1.0.1-0.20190923125748-758128399b1d/go.mod h1:9OrXJ
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@@ -655,6 +685,7 @@ golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7w
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