arnaucube
arnaucube/hermez-nodePublic Self-hosted repository
hermez-node/test/ethclient.go
test/ethclient.goRaw
   1package test
   2
   3import (
   4	"context"
   5	"encoding/binary"
   6	"encoding/json"
   7	"fmt"
   8	"math/big"
   9	"reflect"
  10	"sync"
  11	"time"
  12
  13	"github.com/ethereum/go-ethereum"
  14	ethCommon "github.com/ethereum/go-ethereum/common"
  15	"github.com/ethereum/go-ethereum/core/types"
  16	"github.com/hermeznetwork/hermez-node/common"
  17	"github.com/hermeznetwork/hermez-node/eth"
  18	"github.com/hermeznetwork/hermez-node/log"
  19	"github.com/iden3/go-iden3-crypto/babyjub"
  20	"github.com/mitchellh/copystructure"
  21)
  22
  23func init() {
  24	copystructure.Copiers[reflect.TypeOf(big.Int{})] =
  25		func(raw interface{}) (interface{}, error) {
  26			in := raw.(big.Int)
  27			out := new(big.Int).Set(&in)
  28			return *out, nil
  29		}
  30}
  31
  32// WDelayerBlock stores all the data related to the WDelayer SC from an ethereum block
  33type WDelayerBlock struct {
  34	// State     eth.WDelayerState // TODO
  35	Vars      common.WDelayerVariables
  36	Events    eth.WDelayerEvents
  37	Txs       map[ethCommon.Hash]*types.Transaction
  38	Constants *common.WDelayerConstants
  39	Eth       *EthereumBlock
  40}
  41
  42func (w *WDelayerBlock) addTransaction(tx *types.Transaction) *types.Transaction {
  43	txHash := tx.Hash()
  44	w.Txs[txHash] = tx
  45	return tx
  46}
  47
  48func (w *WDelayerBlock) deposit(txHash ethCommon.Hash, owner, token ethCommon.Address, amount *big.Int) {
  49	w.Events.Deposit = append(w.Events.Deposit, eth.WDelayerEventDeposit{
  50		Owner:            owner,
  51		Token:            token,
  52		Amount:           amount,
  53		DepositTimestamp: uint64(w.Eth.Time),
  54		TxHash:           txHash,
  55	})
  56}
  57
  58// RollupBlock stores all the data related to the Rollup SC from an ethereum block
  59type RollupBlock struct {
  60	State     eth.RollupState
  61	Vars      common.RollupVariables
  62	Events    eth.RollupEvents
  63	Txs       map[ethCommon.Hash]*types.Transaction
  64	Constants *common.RollupConstants
  65	Eth       *EthereumBlock
  66}
  67
  68func (r *RollupBlock) addTransaction(tx *types.Transaction) *types.Transaction {
  69	txHash := tx.Hash()
  70	r.Txs[txHash] = tx
  71	return tx
  72}
  73
  74var (
  75	errBidClosed   = fmt.Errorf("Bid has already been closed")
  76	errBidNotOpen  = fmt.Errorf("Bid has not been opened yet")
  77	errBidBelowMin = fmt.Errorf("Bid below minimum")
  78	errCoordNotReg = fmt.Errorf("Coordinator not registered")
  79)
  80
  81// AuctionBlock stores all the data related to the Auction SC from an ethereum block
  82type AuctionBlock struct {
  83	State     eth.AuctionState
  84	Vars      common.AuctionVariables
  85	Events    eth.AuctionEvents
  86	Txs       map[ethCommon.Hash]*types.Transaction
  87	Constants *common.AuctionConstants
  88	Eth       *EthereumBlock
  89}
  90
  91func (a *AuctionBlock) addTransaction(tx *types.Transaction) *types.Transaction {
  92	txHash := tx.Hash()
  93	a.Txs[txHash] = tx
  94	return tx
  95}
  96
  97func (a *AuctionBlock) getSlotNumber(blockNumber int64) int64 {
  98	if a.Eth.BlockNum >= a.Constants.GenesisBlockNum {
  99		return (blockNumber - a.Constants.GenesisBlockNum) / int64(a.Constants.BlocksPerSlot)
 100	}
 101	return 0
 102}
 103
 104func (a *AuctionBlock) getCurrentSlotNumber() int64 {
 105	return a.getSlotNumber(a.Eth.BlockNum)
 106}
 107
 108func (a *AuctionBlock) getSlotSet(slot int64) int64 {
 109	return slot % int64(len(a.Vars.DefaultSlotSetBid))
 110}
 111
 112func (a *AuctionBlock) getMinBidBySlot(slot int64) (*big.Int, error) {
 113	if slot < a.getCurrentSlotNumber()+int64(a.Vars.ClosedAuctionSlots) {
 114		return nil, errBidClosed
 115	}
 116
 117	slotSet := a.getSlotSet(slot)
 118	// fmt.Println("slot:", slot, "slotSet:", slotSet)
 119	var prevBid *big.Int
 120	slotState, ok := a.State.Slots[slot]
 121	if !ok {
 122		slotState = eth.NewSlotState()
 123		a.State.Slots[slot] = slotState
 124	}
 125	// If the bidAmount for a slot is 0 it means that it has not yet been bid, so the midBid will be the minimum
 126	// bid for the slot time plus the outbidding set, otherwise it will be the bidAmount plus the outbidding
 127	if slotState.BidAmount.Cmp(big.NewInt(0)) == 0 {
 128		prevBid = a.Vars.DefaultSlotSetBid[slotSet]
 129	} else {
 130		prevBid = slotState.BidAmount
 131	}
 132	outBid := new(big.Int).Set(prevBid)
 133	// fmt.Println("outBid:", outBid)
 134	outBid.Mul(outBid, big.NewInt(int64(a.Vars.Outbidding)))
 135	outBid.Div(outBid, big.NewInt(10000)) //nolint:gomnd
 136	outBid.Add(prevBid, outBid)
 137	// fmt.Println("minBid:", outBid)
 138	return outBid, nil
 139}
 140
 141func (a *AuctionBlock) forge(forger ethCommon.Address) error {
 142	if ok, err := a.canForge(forger, a.Eth.BlockNum); err != nil {
 143		return err
 144	} else if !ok {
 145		return fmt.Errorf("Can't forge")
 146	}
 147
 148	slotToForge := a.getSlotNumber(a.Eth.BlockNum)
 149	slotState, ok := a.State.Slots[slotToForge]
 150	if !ok {
 151		slotState = eth.NewSlotState()
 152		a.State.Slots[slotToForge] = slotState
 153	}
 154	slotState.Fulfilled = true
 155
 156	a.Events.NewForge = append(a.Events.NewForge, eth.AuctionEventNewForge{
 157		Forger:      forger,
 158		SlotToForge: slotToForge,
 159	})
 160	return nil
 161}
 162
 163func (a *AuctionBlock) canForge(forger ethCommon.Address, blockNum int64) (bool, error) {
 164	if blockNum < a.Constants.GenesisBlockNum {
 165		return false, fmt.Errorf("Auction has not started yet")
 166	}
 167
 168	slotToForge := a.getSlotNumber(blockNum)
 169	// fmt.Printf("DBG canForge slot: %v\n", slotToForge)
 170	// Get the relativeBlock to check if the slotDeadline has been exceeded
 171	relativeBlock := blockNum - (a.Constants.GenesisBlockNum + (slotToForge * int64(a.Constants.BlocksPerSlot)))
 172
 173	// If the closedMinBid is 0 it means that we have to take as minBid the one that is set for this slot set,
 174	// otherwise the one that has been saved will be used
 175	var minBid *big.Int
 176	slotState, ok := a.State.Slots[slotToForge]
 177	if !ok {
 178		slotState = eth.NewSlotState()
 179		a.State.Slots[slotToForge] = slotState
 180	}
 181	if slotState.ClosedMinBid.Cmp(big.NewInt(0)) == 0 {
 182		minBid = a.Vars.DefaultSlotSetBid[a.getSlotSet(slotToForge)]
 183	} else {
 184		minBid = slotState.ClosedMinBid
 185	}
 186
 187	if !slotState.Fulfilled && (relativeBlock >= int64(a.Vars.SlotDeadline)) {
 188		// if the relative block has exceeded the slotDeadline and no batch has been forged, anyone can forge
 189		return true, nil
 190		// TODO, find the forger set by the Bidder
 191	} else if coord, ok := a.State.Coordinators[slotState.Bidder]; ok &&
 192		coord.Forger == forger && slotState.BidAmount.Cmp(minBid) >= 0 {
 193		// if forger bidAmount has exceeded the minBid it can forge
 194		return true, nil
 195	} else if a.Vars.BootCoordinator == forger && slotState.BidAmount.Cmp(minBid) == -1 {
 196		// if it's the boot coordinator and it has not been bid or the bid is below the minimum it can forge
 197		return true, nil
 198	} else {
 199		return false, nil
 200	}
 201}
 202
 203// EthereumBlock stores all the generic data related to the an ethereum block
 204type EthereumBlock struct {
 205	BlockNum   int64
 206	Time       int64
 207	Hash       ethCommon.Hash
 208	ParentHash ethCommon.Hash
 209	Tokens     map[ethCommon.Address]eth.ERC20Consts
 210	// state      ethState
 211}
 212
 213// Block represents a ethereum block
 214type Block struct {
 215	Rollup   *RollupBlock
 216	Auction  *AuctionBlock
 217	WDelayer *WDelayerBlock
 218	Eth      *EthereumBlock
 219}
 220
 221func (b *Block) copy() *Block {
 222	bCopyRaw, err := copystructure.Copy(b)
 223	if err != nil {
 224		panic(err)
 225	}
 226	bCopy := bCopyRaw.(*Block)
 227	return bCopy
 228}
 229
 230// Next prepares the successive block.
 231func (b *Block) Next() *Block {
 232	blockNext := b.copy()
 233	blockNext.Rollup.Events = eth.NewRollupEvents()
 234	blockNext.Auction.Events = eth.NewAuctionEvents()
 235
 236	blockNext.Eth.BlockNum = b.Eth.BlockNum + 1
 237	blockNext.Eth.ParentHash = b.Eth.Hash
 238
 239	blockNext.Rollup.Constants = b.Rollup.Constants
 240	blockNext.Auction.Constants = b.Auction.Constants
 241	blockNext.WDelayer.Constants = b.WDelayer.Constants
 242	blockNext.Rollup.Eth = blockNext.Eth
 243	blockNext.Auction.Eth = blockNext.Eth
 244	blockNext.WDelayer.Eth = blockNext.Eth
 245
 246	return blockNext
 247}
 248
 249// ClientSetup is used to initialize the constants of the Smart Contracts and
 250// other details of the test Client
 251type ClientSetup struct {
 252	RollupConstants   *common.RollupConstants
 253	RollupVariables   *common.RollupVariables
 254	AuctionConstants  *common.AuctionConstants
 255	AuctionVariables  *common.AuctionVariables
 256	WDelayerConstants *common.WDelayerConstants
 257	WDelayerVariables *common.WDelayerVariables
 258	VerifyProof       bool
 259}
 260
 261// NewClientSetupExample returns a ClientSetup example with hardcoded realistic
 262// values.  With this setup, the rollup genesis will be block 1, and block 0
 263// and 1 will be premined.
 264//nolint:gomnd
 265func NewClientSetupExample() *ClientSetup {
 266	// rfield, ok := new(big.Int).SetString("21888242871839275222246405745257275088548364400416034343698204186575808495617", 10)
 267	// if !ok {
 268	// 	panic("bad rfield")
 269	// }
 270	initialMinimalBidding, ok := new(big.Int).SetString("10000000000000000000", 10) // 10 * (1e18)
 271	if !ok {
 272		panic("bad initialMinimalBidding")
 273	}
 274	tokenHEZ := ethCommon.HexToAddress("0x51D243D62852Bba334DD5cc33f242BAc8c698074")
 275	governanceAddress := ethCommon.HexToAddress("0x688EfD95BA4391f93717CF02A9aED9DBD2855cDd")
 276	rollupConstants := &common.RollupConstants{
 277		Verifiers: []common.RollupVerifierStruct{
 278			{
 279				MaxTx:   2048,
 280				NLevels: 32,
 281			},
 282		},
 283		TokenHEZ:                   tokenHEZ,
 284		HermezGovernanceDAOAddress: governanceAddress,
 285		SafetyAddress:              ethCommon.HexToAddress("0x84d8B79E84fe87B14ad61A554e740f6736bF4c20"),
 286		HermezAuctionContract:      ethCommon.HexToAddress("0x8E442975805fb1908f43050c9C1A522cB0e28D7b"),
 287		WithdrawDelayerContract:    ethCommon.HexToAddress("0x5CB7979cBdbf65719BEE92e4D15b7b7Ed3D79114"),
 288	}
 289	rollupVariables := &common.RollupVariables{
 290		FeeAddToken:           big.NewInt(11),
 291		ForgeL1L2BatchTimeout: 9,
 292		WithdrawalDelay:       80,
 293	}
 294	auctionConstants := &common.AuctionConstants{
 295		BlocksPerSlot:         40,
 296		InitialMinimalBidding: initialMinimalBidding,
 297		GenesisBlockNum:       1,
 298		GovernanceAddress:     governanceAddress,
 299		TokenHEZ:              tokenHEZ,
 300		HermezRollup:          ethCommon.HexToAddress("0x474B6e29852257491cf283EfB1A9C61eBFe48369"),
 301	}
 302	auctionVariables := &common.AuctionVariables{
 303		DonationAddress: ethCommon.HexToAddress("0x61Ed87CF0A1496b49A420DA6D84B58196b98f2e7"),
 304		BootCoordinator: ethCommon.HexToAddress("0xE39fEc6224708f0772D2A74fd3f9055A90E0A9f2"),
 305		DefaultSlotSetBid: [6]*big.Int{
 306			big.NewInt(1000), big.NewInt(1100), big.NewInt(1200),
 307			big.NewInt(1300), big.NewInt(1400), big.NewInt(1500)},
 308		ClosedAuctionSlots: 2,
 309		OpenAuctionSlots:   4320,
 310		AllocationRatio:    [3]uint16{4000, 4000, 2000},
 311		Outbidding:         1000,
 312		SlotDeadline:       20,
 313	}
 314	wDelayerConstants := &common.WDelayerConstants{
 315		MaxWithdrawalDelay:   60 * 60 * 24 * 7 * 2,  // 2 weeks
 316		MaxEmergencyModeTime: 60 * 60 * 24 * 7 * 26, // 26 weeks
 317		HermezRollup:         auctionConstants.HermezRollup,
 318	}
 319	wDelayerVariables := &common.WDelayerVariables{
 320		HermezGovernanceDAOAddress: ethCommon.HexToAddress("0xcfD0d163AE6432a72682323E2C3A5a69e6B37D12"),
 321		WhiteHackGroupAddress:      ethCommon.HexToAddress("0x2730700932a4FDB97B9268A3Ca29f97Ea5fd7EA0"),
 322		HermezKeeperAddress:        ethCommon.HexToAddress("0x92aAD86176dC0f0046FE85Ed5dA008a828bE3868"),
 323		WithdrawalDelay:            60,
 324		EmergencyModeStartingTime:  0,
 325		EmergencyMode:              false,
 326	}
 327	return &ClientSetup{
 328		RollupConstants:   rollupConstants,
 329		RollupVariables:   rollupVariables,
 330		AuctionConstants:  auctionConstants,
 331		AuctionVariables:  auctionVariables,
 332		WDelayerConstants: wDelayerConstants,
 333		WDelayerVariables: wDelayerVariables,
 334	}
 335}
 336
 337// Timer is an interface to simulate a source of time, useful to advance time
 338// virtually.
 339type Timer interface {
 340	Time() int64
 341}
 342
 343// type forgeBatchArgs struct {
 344// 	ethTx     *types.Transaction
 345// 	blockNum  int64
 346// 	blockHash ethCommon.Hash
 347// }
 348
 349type batch struct {
 350	ForgeBatchArgs eth.RollupForgeBatchArgs
 351	Sender         ethCommon.Address
 352}
 353
 354// Client implements the eth.ClientInterface interface, allowing to manipulate the
 355// values for testing, working with deterministic results.
 356type Client struct {
 357	rw                *sync.RWMutex
 358	log               bool
 359	addr              *ethCommon.Address
 360	rollupConstants   *common.RollupConstants
 361	auctionConstants  *common.AuctionConstants
 362	wDelayerConstants *common.WDelayerConstants
 363	blocks            map[int64]*Block
 364	// state            state
 365	blockNum    int64 // last mined block num
 366	maxBlockNum int64 // highest block num calculated
 367	timer       Timer
 368	hasher      hasher
 369
 370	forgeBatchArgsPending map[ethCommon.Hash]*batch
 371	forgeBatchArgs        map[ethCommon.Hash]*batch
 372}
 373
 374// NewClient returns a new test Client that implements the eth.IClient
 375// interface, at the given initialBlockNumber.
 376func NewClient(l bool, timer Timer, addr *ethCommon.Address, setup *ClientSetup) *Client {
 377	blocks := make(map[int64]*Block)
 378	blockNum := int64(0)
 379
 380	hasher := hasher{}
 381	// Add ethereum genesis block
 382	mapL1TxQueue := make(map[int64]*eth.QueueStruct)
 383	mapL1TxQueue[0] = eth.NewQueueStruct()
 384	mapL1TxQueue[1] = eth.NewQueueStruct()
 385	blockCurrent := &Block{
 386		Rollup: &RollupBlock{
 387			State: eth.RollupState{
 388				StateRoot:        big.NewInt(0),
 389				ExitRoots:        make([]*big.Int, 1),
 390				ExitNullifierMap: make(map[int64]map[int64]bool),
 391				// TokenID = 0 is ETH.  Set first entry in TokenList with 0x0 address for ETH.
 392				TokenList:              []ethCommon.Address{{}},
 393				TokenMap:               make(map[ethCommon.Address]bool),
 394				MapL1TxQueue:           mapL1TxQueue,
 395				LastL1L2Batch:          0,
 396				CurrentToForgeL1TxsNum: 0,
 397				LastToForgeL1TxsNum:    1,
 398				CurrentIdx:             0,
 399			},
 400			Vars:      *setup.RollupVariables,
 401			Txs:       make(map[ethCommon.Hash]*types.Transaction),
 402			Events:    eth.NewRollupEvents(),
 403			Constants: setup.RollupConstants,
 404		},
 405		Auction: &AuctionBlock{
 406			State: eth.AuctionState{
 407				Slots:           make(map[int64]*eth.SlotState),
 408				PendingBalances: make(map[ethCommon.Address]*big.Int),
 409				Coordinators:    make(map[ethCommon.Address]*eth.Coordinator),
 410			},
 411			Vars:      *setup.AuctionVariables,
 412			Txs:       make(map[ethCommon.Hash]*types.Transaction),
 413			Events:    eth.NewAuctionEvents(),
 414			Constants: setup.AuctionConstants,
 415		},
 416		WDelayer: &WDelayerBlock{
 417			// State: TODO
 418			Vars:      *setup.WDelayerVariables,
 419			Txs:       make(map[ethCommon.Hash]*types.Transaction),
 420			Events:    eth.NewWDelayerEvents(),
 421			Constants: setup.WDelayerConstants,
 422		},
 423		Eth: &EthereumBlock{
 424			BlockNum:   blockNum,
 425			Time:       timer.Time(),
 426			Hash:       hasher.Next(),
 427			ParentHash: ethCommon.Hash{},
 428			Tokens:     make(map[ethCommon.Address]eth.ERC20Consts),
 429		},
 430	}
 431	blockCurrent.Rollup.Eth = blockCurrent.Eth
 432	blockCurrent.Auction.Eth = blockCurrent.Eth
 433	blocks[blockNum] = blockCurrent
 434	blockNext := blockCurrent.Next()
 435	blocks[blockNum+1] = blockNext
 436
 437	c := Client{
 438		rw:                    &sync.RWMutex{},
 439		log:                   l,
 440		addr:                  addr,
 441		rollupConstants:       setup.RollupConstants,
 442		auctionConstants:      setup.AuctionConstants,
 443		wDelayerConstants:     setup.WDelayerConstants,
 444		blocks:                blocks,
 445		timer:                 timer,
 446		hasher:                hasher,
 447		forgeBatchArgsPending: make(map[ethCommon.Hash]*batch),
 448		forgeBatchArgs:        make(map[ethCommon.Hash]*batch),
 449		blockNum:              blockNum,
 450		maxBlockNum:           blockNum,
 451	}
 452
 453	for i := int64(1); i < setup.AuctionConstants.GenesisBlockNum+1; i++ {
 454		c.CtlMineBlock()
 455	}
 456
 457	return &c
 458}
 459
 460//
 461// Mock Control
 462//
 463
 464func (c *Client) setNextBlock(block *Block) {
 465	c.blocks[c.blockNum+1] = block
 466}
 467
 468func (c *Client) revertIfErr(err error, block *Block) {
 469	if err != nil {
 470		log.Infow("TestClient revert", "block", block.Eth.BlockNum, "err", err)
 471		c.setNextBlock(block)
 472	}
 473}
 474
 475// Debugf calls log.Debugf if c.log is true
 476func (c *Client) Debugf(template string, args ...interface{}) {
 477	if c.log {
 478		log.Debugf(template, args...)
 479	}
 480}
 481
 482// Debugw calls log.Debugw if c.log is true
 483func (c *Client) Debugw(template string, kv ...interface{}) {
 484	if c.log {
 485		log.Debugw(template, kv...)
 486	}
 487}
 488
 489type hasher struct {
 490	counter uint64
 491}
 492
 493// Next returns the next hash
 494func (h *hasher) Next() ethCommon.Hash {
 495	var hash ethCommon.Hash
 496	binary.LittleEndian.PutUint64(hash[:], h.counter)
 497	h.counter++
 498	return hash
 499}
 500
 501func (c *Client) nextBlock() *Block {
 502	return c.blocks[c.blockNum+1]
 503}
 504
 505func (c *Client) currentBlock() *Block {
 506	return c.blocks[c.blockNum]
 507}
 508
 509// CtlSetAddr sets the address of the client
 510func (c *Client) CtlSetAddr(addr ethCommon.Address) {
 511	c.addr = &addr
 512}
 513
 514// CtlMineBlock moves one block forward
 515func (c *Client) CtlMineBlock() {
 516	c.rw.Lock()
 517	defer c.rw.Unlock()
 518
 519	blockCurrent := c.nextBlock()
 520	c.blockNum++
 521	c.maxBlockNum = c.blockNum
 522	blockCurrent.Eth.Time = c.timer.Time()
 523	blockCurrent.Eth.Hash = c.hasher.Next()
 524	for ethTxHash, forgeBatchArgs := range c.forgeBatchArgsPending {
 525		c.forgeBatchArgs[ethTxHash] = forgeBatchArgs
 526	}
 527	c.forgeBatchArgsPending = make(map[ethCommon.Hash]*batch)
 528
 529	blockNext := blockCurrent.Next()
 530	c.blocks[c.blockNum+1] = blockNext
 531	c.Debugw("TestClient mined block", "blockNum", c.blockNum)
 532}
 533
 534// CtlRollback discards the last mined block.  Use this to replace a mined
 535// block to simulate reorgs.
 536func (c *Client) CtlRollback() {
 537	c.rw.Lock()
 538	defer c.rw.Unlock()
 539
 540	if c.blockNum == 0 {
 541		panic("Can't rollback at blockNum = 0")
 542	}
 543	delete(c.blocks, c.blockNum+1) // delete next block
 544	delete(c.blocks, c.blockNum)   // delete current block
 545	c.blockNum--
 546	blockCurrent := c.blocks[c.blockNum]
 547	blockNext := blockCurrent.Next()
 548	c.blocks[c.blockNum+1] = blockNext
 549}
 550
 551//
 552// Ethereum
 553//
 554
 555// CtlLastBlock returns the last blockNum without checks
 556func (c *Client) CtlLastBlock() int64 {
 557	c.rw.RLock()
 558	defer c.rw.RUnlock()
 559	return c.blockNum
 560}
 561
 562// EthLastBlock returns the last blockNum
 563func (c *Client) EthLastBlock() (int64, error) {
 564	c.rw.RLock()
 565	defer c.rw.RUnlock()
 566
 567	if c.blockNum < c.maxBlockNum {
 568		panic("blockNum has decreased.  " +
 569			"After a rollback you must mine to reach the same or higher blockNum")
 570	}
 571	return c.blockNum, nil
 572}
 573
 574// EthTransactionReceipt returns the transaction receipt of the given txHash
 575func (c *Client) EthTransactionReceipt(ctx context.Context, txHash ethCommon.Hash) (*types.Receipt, error) {
 576	c.rw.RLock()
 577	defer c.rw.RUnlock()
 578
 579	for i := int64(0); i < c.blockNum; i++ {
 580		b := c.blocks[i]
 581		_, ok := b.Rollup.Txs[txHash]
 582		if !ok {
 583			_, ok = b.Auction.Txs[txHash]
 584		}
 585		if ok {
 586			return &types.Receipt{
 587				TxHash:      txHash,
 588				Status:      types.ReceiptStatusSuccessful,
 589				BlockHash:   b.Eth.Hash,
 590				BlockNumber: big.NewInt(b.Eth.BlockNum),
 591			}, nil
 592		}
 593	}
 594
 595	return nil, nil
 596}
 597
 598// CtlAddERC20 adds an ERC20 token to the blockchain.
 599func (c *Client) CtlAddERC20(tokenAddr ethCommon.Address, constants eth.ERC20Consts) {
 600	nextBlock := c.nextBlock()
 601	e := nextBlock.Eth
 602	e.Tokens[tokenAddr] = constants
 603}
 604
 605// EthERC20Consts returns the constants defined for a particular ERC20 Token instance.
 606func (c *Client) EthERC20Consts(tokenAddr ethCommon.Address) (*eth.ERC20Consts, error) {
 607	currentBlock := c.currentBlock()
 608	e := currentBlock.Eth
 609	if constants, ok := e.Tokens[tokenAddr]; ok {
 610		return &constants, nil
 611	}
 612	return nil, fmt.Errorf("tokenAddr not found")
 613}
 614
 615// func newHeader(number *big.Int) *types.Header {
 616// 	return &types.Header{
 617// 		Number: number,
 618// 		Time:   uint64(number.Int64()),
 619// 	}
 620// }
 621
 622// EthHeaderByNumber returns the *types.Header for the given block number in a
 623// deterministic way.
 624// func (c *Client) EthHeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error) {
 625// 	return newHeader(number), nil
 626// }
 627
 628// EthBlockByNumber returns the *common.Block for the given block number in a
 629// deterministic way.
 630func (c *Client) EthBlockByNumber(ctx context.Context, blockNum int64) (*common.Block, error) {
 631	c.rw.RLock()
 632	defer c.rw.RUnlock()
 633
 634	if blockNum > c.blockNum {
 635		return nil, ethereum.NotFound
 636	}
 637	block := c.blocks[blockNum]
 638	return &common.Block{
 639		EthBlockNum: blockNum,
 640		Timestamp:   time.Unix(block.Eth.Time, 0),
 641		Hash:        block.Eth.Hash,
 642		ParentHash:  block.Eth.ParentHash,
 643	}, nil
 644}
 645
 646// EthAddress returns the ethereum address of the account loaded into the Client
 647func (c *Client) EthAddress() (*ethCommon.Address, error) {
 648	if c.addr == nil {
 649		return nil, eth.ErrAccountNil
 650	}
 651	return c.addr, nil
 652}
 653
 654var errTODO = fmt.Errorf("TODO: Not implemented yet")
 655
 656//
 657// Rollup
 658//
 659
 660// CtlAddL1TxUser adds an L1TxUser to the L1UserTxs queue of the Rollup
 661// func (c *Client) CtlAddL1TxUser(l1Tx *common.L1Tx) {
 662// 	c.rw.Lock()
 663// 	defer c.rw.Unlock()
 664//
 665// 	nextBlock := c.nextBlock()
 666// 	r := nextBlock.Rollup
 667// 	queue := r.State.MapL1TxQueue[r.State.LastToForgeL1TxsNum]
 668// 	if len(queue.L1TxQueue) >= eth.RollupConstMaxL1UserTx {
 669// 		r.State.LastToForgeL1TxsNum++
 670// 		r.State.MapL1TxQueue[r.State.LastToForgeL1TxsNum] = eth.NewQueueStruct()
 671// 		queue = r.State.MapL1TxQueue[r.State.LastToForgeL1TxsNum]
 672// 	}
 673// 	if int64(l1Tx.FromIdx) > r.State.CurrentIdx {
 674// 		panic("l1Tx.FromIdx > r.State.CurrentIdx")
 675// 	}
 676// 	if int(l1Tx.TokenID)+1 > len(r.State.TokenList) {
 677// 		panic("l1Tx.TokenID + 1 > len(r.State.TokenList)")
 678// 	}
 679// 	queue.L1TxQueue = append(queue.L1TxQueue, *l1Tx)
 680// 	r.Events.L1UserTx = append(r.Events.L1UserTx, eth.RollupEventL1UserTx{
 681// 		L1Tx:            *l1Tx,
 682// 		ToForgeL1TxsNum: r.State.LastToForgeL1TxsNum,
 683// 		Position:        len(queue.L1TxQueue) - 1,
 684// 	})
 685// }
 686
 687// RollupL1UserTxERC20Permit is the interface to call the smart contract function
 688func (c *Client) RollupL1UserTxERC20Permit(fromBJJ *babyjub.PublicKey, fromIdx int64, loadAmount *big.Int, amount *big.Int, tokenID uint32, toIdx int64, deadline *big.Int) (tx *types.Transaction, err error) {
 689	log.Error("TODO")
 690	return nil, errTODO
 691}
 692
 693// RollupL1UserTxERC20ETH sends an L1UserTx to the Rollup.
 694func (c *Client) RollupL1UserTxERC20ETH(
 695	fromBJJ *babyjub.PublicKey,
 696	fromIdx int64,
 697	loadAmount *big.Int,
 698	amount *big.Int,
 699	tokenID uint32,
 700	toIdx int64,
 701) (tx *types.Transaction, err error) {
 702	c.rw.Lock()
 703	defer c.rw.Unlock()
 704	cpy := c.nextBlock().copy()
 705	defer func() { c.revertIfErr(err, cpy) }()
 706
 707	_, err = common.NewFloat16(amount)
 708	if err != nil {
 709		return nil, err
 710	}
 711	_, err = common.NewFloat16(loadAmount)
 712	if err != nil {
 713		return nil, err
 714	}
 715
 716	nextBlock := c.nextBlock()
 717	r := nextBlock.Rollup
 718	queue := r.State.MapL1TxQueue[r.State.LastToForgeL1TxsNum]
 719	if len(queue.L1TxQueue) >= common.RollupConstMaxL1UserTx {
 720		r.State.LastToForgeL1TxsNum++
 721		r.State.MapL1TxQueue[r.State.LastToForgeL1TxsNum] = eth.NewQueueStruct()
 722		queue = r.State.MapL1TxQueue[r.State.LastToForgeL1TxsNum]
 723	}
 724	if fromIdx > r.State.CurrentIdx {
 725		panic("l1Tx.FromIdx > r.State.CurrentIdx")
 726	}
 727	if int(tokenID)+1 > len(r.State.TokenList) {
 728		panic("l1Tx.TokenID + 1 > len(r.State.TokenList)")
 729	}
 730	toForgeL1TxsNum := r.State.LastToForgeL1TxsNum
 731	l1Tx, err := common.NewL1Tx(&common.L1Tx{
 732		FromIdx:         common.Idx(fromIdx),
 733		FromEthAddr:     *c.addr,
 734		FromBJJ:         fromBJJ,
 735		Amount:          amount,
 736		LoadAmount:      loadAmount,
 737		TokenID:         common.TokenID(tokenID),
 738		ToIdx:           common.Idx(toIdx),
 739		ToForgeL1TxsNum: &toForgeL1TxsNum,
 740		Position:        len(queue.L1TxQueue),
 741		UserOrigin:      true,
 742	})
 743	if err != nil {
 744		return nil, err
 745	}
 746
 747	queue.L1TxQueue = append(queue.L1TxQueue, *l1Tx)
 748	r.Events.L1UserTx = append(r.Events.L1UserTx, eth.RollupEventL1UserTx{
 749		L1UserTx: *l1Tx,
 750	})
 751	return r.addTransaction(newTransaction("l1UserTxERC20ETH", l1Tx)), nil
 752}
 753
 754// RollupL1UserTxERC777 is the interface to call the smart contract function
 755// func (c *Client) RollupL1UserTxERC777(fromBJJ *babyjub.PublicKey, fromIdx int64, loadAmount *big.Int, amount *big.Int, tokenID uint32, toIdx int64) (*types.Transaction, error) {
 756// 	log.Error("TODO")
 757// 	return nil, errTODO
 758// }
 759
 760// RollupRegisterTokensCount is the interface to call the smart contract function
 761func (c *Client) RollupRegisterTokensCount() (*big.Int, error) {
 762	log.Error("TODO")
 763	return nil, errTODO
 764}
 765
 766// RollupLastForgedBatch is the interface to call the smart contract function
 767func (c *Client) RollupLastForgedBatch() (int64, error) {
 768	c.rw.RLock()
 769	defer c.rw.RUnlock()
 770
 771	currentBlock := c.currentBlock()
 772	e := currentBlock.Rollup
 773	return int64(len(e.State.ExitRoots)) - 1, nil
 774}
 775
 776// RollupWithdrawCircuit is the interface to call the smart contract function
 777func (c *Client) RollupWithdrawCircuit(proofA, proofC [2]*big.Int, proofB [2][2]*big.Int, tokenID uint32, numExitRoot, idx int64, amount *big.Int, instantWithdraw bool) (*types.Transaction, error) {
 778	log.Error("TODO")
 779	return nil, errTODO
 780}
 781
 782// RollupWithdrawMerkleProof is the interface to call the smart contract function
 783func (c *Client) RollupWithdrawMerkleProof(babyPubKey *babyjub.PublicKey, tokenID uint32, numExitRoot, idx int64, amount *big.Int, siblings []*big.Int, instantWithdraw bool) (tx *types.Transaction, err error) {
 784	c.rw.Lock()
 785	defer c.rw.Unlock()
 786	cpy := c.nextBlock().copy()
 787	defer func() { c.revertIfErr(err, cpy) }()
 788
 789	nextBlock := c.nextBlock()
 790	r := nextBlock.Rollup
 791
 792	if int(numExitRoot) >= len(r.State.ExitRoots) {
 793		return nil, fmt.Errorf("numExitRoot >= len(r.State.ExitRoots)")
 794	}
 795	if _, ok := r.State.ExitNullifierMap[numExitRoot][idx]; ok {
 796		return nil, fmt.Errorf("exit already withdrawn")
 797	}
 798	r.State.ExitNullifierMap[numExitRoot][idx] = true
 799
 800	type data struct {
 801		BabyPubKey      *babyjub.PublicKey
 802		TokenID         uint32
 803		NumExitRoot     int64
 804		Idx             int64
 805		Amount          *big.Int
 806		Siblings        []*big.Int
 807		InstantWithdraw bool
 808	}
 809	tx = r.addTransaction(newTransaction("withdrawMerkleProof", data{
 810		BabyPubKey:      babyPubKey,
 811		TokenID:         tokenID,
 812		NumExitRoot:     numExitRoot,
 813		Idx:             idx,
 814		Amount:          amount,
 815		Siblings:        siblings,
 816		InstantWithdraw: instantWithdraw,
 817	}))
 818	r.Events.Withdraw = append(r.Events.Withdraw, eth.RollupEventWithdraw{
 819		Idx:             uint64(idx),
 820		NumExitRoot:     uint64(numExitRoot),
 821		InstantWithdraw: instantWithdraw,
 822		TxHash:          tx.Hash(),
 823	})
 824
 825	if !instantWithdraw {
 826		w := nextBlock.WDelayer
 827		w.deposit(tx.Hash(), *c.addr, r.State.TokenList[int(tokenID)], amount)
 828	}
 829	return tx, nil
 830}
 831
 832type transactionData struct {
 833	Name  string
 834	Value interface{}
 835}
 836
 837func newTransaction(name string, value interface{}) *types.Transaction {
 838	data, err := json.Marshal(transactionData{name, value})
 839	if err != nil {
 840		panic(err)
 841	}
 842	return types.NewTransaction(0, ethCommon.Address{}, nil, 0, nil,
 843		data)
 844}
 845
 846// RollupForgeBatch is the interface to call the smart contract function
 847func (c *Client) RollupForgeBatch(args *eth.RollupForgeBatchArgs) (tx *types.Transaction, err error) {
 848	c.rw.Lock()
 849	defer c.rw.Unlock()
 850	cpy := c.nextBlock().copy()
 851	defer func() { c.revertIfErr(err, cpy) }()
 852	if c.addr == nil {
 853		return nil, eth.ErrAccountNil
 854	}
 855
 856	a := c.nextBlock().Auction
 857	ok, err := a.canForge(*c.addr, a.Eth.BlockNum)
 858	if err != nil {
 859		return nil, err
 860	}
 861	if !ok {
 862		return nil, fmt.Errorf("incorrect slot")
 863	}
 864
 865	// TODO: Verify proof
 866
 867	// Auction
 868	err = a.forge(*c.addr)
 869	if err != nil {
 870		return nil, err
 871	}
 872
 873	// TODO: If successful, store the tx in a successful array.
 874	// TODO: If failed, store the tx in a failed array.
 875	// TODO: Add method to move the tx to another block, reapply it there, and possibly go from successful to failed.
 876
 877	return c.addBatch(args)
 878}
 879
 880// CtlAddBatch adds forged batch to the Rollup, without checking any ZKProof
 881func (c *Client) CtlAddBatch(args *eth.RollupForgeBatchArgs) {
 882	c.rw.Lock()
 883	defer c.rw.Unlock()
 884
 885	if _, err := c.addBatch(args); err != nil {
 886		panic(err)
 887	}
 888}
 889
 890func (c *Client) addBatch(args *eth.RollupForgeBatchArgs) (*types.Transaction, error) {
 891	nextBlock := c.nextBlock()
 892	r := nextBlock.Rollup
 893	r.State.StateRoot = args.NewStRoot
 894	if args.NewLastIdx < r.State.CurrentIdx {
 895		return nil, fmt.Errorf("args.NewLastIdx < r.State.CurrentIdx")
 896	}
 897	r.State.CurrentIdx = args.NewLastIdx
 898	r.State.ExitNullifierMap[int64(len(r.State.ExitRoots))] = make(map[int64]bool)
 899	r.State.ExitRoots = append(r.State.ExitRoots, args.NewExitRoot)
 900	if args.L1Batch {
 901		r.State.CurrentToForgeL1TxsNum++
 902		if r.State.CurrentToForgeL1TxsNum == r.State.LastToForgeL1TxsNum {
 903			r.State.LastToForgeL1TxsNum++
 904			r.State.MapL1TxQueue[r.State.LastToForgeL1TxsNum] = eth.NewQueueStruct()
 905		}
 906	}
 907	ethTx := r.addTransaction(newTransaction("forgebatch", args))
 908	c.forgeBatchArgsPending[ethTx.Hash()] = &batch{*args, *c.addr}
 909	r.Events.ForgeBatch = append(r.Events.ForgeBatch, eth.RollupEventForgeBatch{
 910		BatchNum:  int64(len(r.State.ExitRoots)) - 1,
 911		EthTxHash: ethTx.Hash(),
 912	})
 913
 914	return ethTx, nil
 915}
 916
 917// RollupAddTokenSimple is a wrapper around RollupAddToken that automatically
 918// sets `deadlie`.
 919func (c *Client) RollupAddTokenSimple(tokenAddress ethCommon.Address, feeAddToken *big.Int) (tx *types.Transaction, err error) {
 920	return c.RollupAddToken(tokenAddress, feeAddToken, big.NewInt(9999)) //nolint:gomnd
 921}
 922
 923// RollupAddToken is the interface to call the smart contract function
 924func (c *Client) RollupAddToken(tokenAddress ethCommon.Address, feeAddToken *big.Int,
 925	deadline *big.Int) (tx *types.Transaction, err error) {
 926	c.rw.Lock()
 927	defer c.rw.Unlock()
 928	cpy := c.nextBlock().copy()
 929	defer func() { c.revertIfErr(err, cpy) }()
 930	if c.addr == nil {
 931		return nil, eth.ErrAccountNil
 932	}
 933
 934	nextBlock := c.nextBlock()
 935	r := nextBlock.Rollup
 936	if _, ok := r.State.TokenMap[tokenAddress]; ok {
 937		return nil, fmt.Errorf("Token %v already registered", tokenAddress)
 938	}
 939	if feeAddToken.Cmp(r.Vars.FeeAddToken) != 0 {
 940		return nil, fmt.Errorf("Expected fee: %v but got: %v", r.Vars.FeeAddToken, feeAddToken)
 941	}
 942
 943	r.State.TokenMap[tokenAddress] = true
 944	r.State.TokenList = append(r.State.TokenList, tokenAddress)
 945	r.Events.AddToken = append(r.Events.AddToken, eth.RollupEventAddToken{TokenAddress: tokenAddress,
 946		TokenID: uint32(len(r.State.TokenList) - 1)})
 947	return r.addTransaction(newTransaction("addtoken", tokenAddress)), nil
 948}
 949
 950// RollupGetCurrentTokens is the interface to call the smart contract function
 951func (c *Client) RollupGetCurrentTokens() (*big.Int, error) {
 952	c.rw.RLock()
 953	defer c.rw.RUnlock()
 954
 955	log.Error("TODO")
 956	return nil, errTODO
 957}
 958
 959// RollupUpdateForgeL1L2BatchTimeout is the interface to call the smart contract function
 960func (c *Client) RollupUpdateForgeL1L2BatchTimeout(newForgeL1Timeout int64) (tx *types.Transaction, err error) {
 961	c.rw.Lock()
 962	defer c.rw.Unlock()
 963	cpy := c.nextBlock().copy()
 964	defer func() { c.revertIfErr(err, cpy) }()
 965	if c.addr == nil {
 966		return nil, eth.ErrAccountNil
 967	}
 968
 969	nextBlock := c.nextBlock()
 970	r := nextBlock.Rollup
 971	r.Vars.ForgeL1L2BatchTimeout = newForgeL1Timeout
 972	r.Events.UpdateForgeL1L2BatchTimeout = append(r.Events.UpdateForgeL1L2BatchTimeout,
 973		eth.RollupEventUpdateForgeL1L2BatchTimeout{NewForgeL1L2BatchTimeout: newForgeL1Timeout})
 974
 975	return r.addTransaction(newTransaction("updateForgeL1L2BatchTimeout", newForgeL1Timeout)), nil
 976}
 977
 978// RollupUpdateFeeAddToken is the interface to call the smart contract function
 979func (c *Client) RollupUpdateFeeAddToken(newFeeAddToken *big.Int) (tx *types.Transaction, err error) {
 980	c.rw.Lock()
 981	defer c.rw.Unlock()
 982	cpy := c.nextBlock().copy()
 983	defer func() { c.revertIfErr(err, cpy) }()
 984	if c.addr == nil {
 985		return nil, eth.ErrAccountNil
 986	}
 987
 988	log.Error("TODO")
 989	return nil, errTODO
 990}
 991
 992// RollupUpdateTokensHEZ is the interface to call the smart contract function
 993// func (c *Client) RollupUpdateTokensHEZ(newTokenHEZ ethCommon.Address) (tx *types.Transaction, err error) {
 994// 	c.rw.Lock()
 995// 	defer c.rw.Unlock()
 996// 	cpy := c.nextBlock().copy()
 997// 	defer func() { c.revertIfErr(err, cpy) }()
 998//
 999// 	log.Error("TODO")
1000// 	return nil, errTODO
1001// }
1002
1003// RollupUpdateGovernance is the interface to call the smart contract function
1004// func (c *Client) RollupUpdateGovernance() (*types.Transaction, error) { // TODO (Not defined in Hermez.sol)
1005// 	return nil, errTODO
1006// }
1007
1008// RollupConstants returns the Constants of the Rollup Smart Contract
1009func (c *Client) RollupConstants() (*common.RollupConstants, error) {
1010	c.rw.RLock()
1011	defer c.rw.RUnlock()
1012
1013	return c.rollupConstants, nil
1014}
1015
1016// RollupEventsByBlock returns the events in a block that happened in the Rollup Smart Contract
1017func (c *Client) RollupEventsByBlock(blockNum int64) (*eth.RollupEvents, *ethCommon.Hash, error) {
1018	c.rw.RLock()
1019	defer c.rw.RUnlock()
1020
1021	block, ok := c.blocks[blockNum]
1022	if !ok {
1023		return nil, nil, fmt.Errorf("Block %v doesn't exist", blockNum)
1024	}
1025	return &block.Rollup.Events, &block.Eth.Hash, nil
1026}
1027
1028// RollupForgeBatchArgs returns the arguments used in a ForgeBatch call in the Rollup Smart Contract in the given transaction
1029func (c *Client) RollupForgeBatchArgs(ethTxHash ethCommon.Hash) (*eth.RollupForgeBatchArgs, *ethCommon.Address, error) {
1030	c.rw.RLock()
1031	defer c.rw.RUnlock()
1032
1033	batch, ok := c.forgeBatchArgs[ethTxHash]
1034	if !ok {
1035		return nil, nil, fmt.Errorf("transaction not found")
1036	}
1037	return &batch.ForgeBatchArgs, &batch.Sender, nil
1038}
1039
1040//
1041// Auction
1042//
1043
1044// AuctionSetSlotDeadline is the interface to call the smart contract function
1045func (c *Client) AuctionSetSlotDeadline(newDeadline uint8) (tx *types.Transaction, err error) {
1046	c.rw.Lock()
1047	defer c.rw.Unlock()
1048	cpy := c.nextBlock().copy()
1049	defer func() { c.revertIfErr(err, cpy) }()
1050	if c.addr == nil {
1051		return nil, eth.ErrAccountNil
1052	}
1053
1054	log.Error("TODO")
1055	return nil, errTODO
1056}
1057
1058// AuctionGetSlotDeadline is the interface to call the smart contract function
1059func (c *Client) AuctionGetSlotDeadline() (uint8, error) {
1060	c.rw.RLock()
1061	defer c.rw.RUnlock()
1062
1063	log.Error("TODO")
1064	return 0, errTODO
1065}
1066
1067// AuctionSetOpenAuctionSlots is the interface to call the smart contract function
1068func (c *Client) AuctionSetOpenAuctionSlots(newOpenAuctionSlots uint16) (tx *types.Transaction, err error) {
1069	c.rw.Lock()
1070	defer c.rw.Unlock()
1071	cpy := c.nextBlock().copy()
1072	defer func() { c.revertIfErr(err, cpy) }()
1073	if c.addr == nil {
1074		return nil, eth.ErrAccountNil
1075	}
1076
1077	nextBlock := c.nextBlock()
1078	a := nextBlock.Auction
1079	a.Vars.OpenAuctionSlots = newOpenAuctionSlots
1080	a.Events.NewOpenAuctionSlots = append(a.Events.NewOpenAuctionSlots,
1081		eth.AuctionEventNewOpenAuctionSlots{NewOpenAuctionSlots: newOpenAuctionSlots})
1082
1083	return a.addTransaction(newTransaction("setOpenAuctionSlots", newOpenAuctionSlots)), nil
1084}
1085
1086// AuctionGetOpenAuctionSlots is the interface to call the smart contract function
1087func (c *Client) AuctionGetOpenAuctionSlots() (uint16, error) {
1088	c.rw.RLock()
1089	defer c.rw.RUnlock()
1090
1091	log.Error("TODO")
1092	return 0, errTODO
1093}
1094
1095// AuctionSetClosedAuctionSlots is the interface to call the smart contract function
1096func (c *Client) AuctionSetClosedAuctionSlots(newClosedAuctionSlots uint16) (tx *types.Transaction, err error) {
1097	c.rw.Lock()
1098	defer c.rw.Unlock()
1099	cpy := c.nextBlock().copy()
1100	defer func() { c.revertIfErr(err, cpy) }()
1101	if c.addr == nil {
1102		return nil, eth.ErrAccountNil
1103	}
1104
1105	log.Error("TODO")
1106	return nil, errTODO
1107}
1108
1109// AuctionGetClosedAuctionSlots is the interface to call the smart contract function
1110func (c *Client) AuctionGetClosedAuctionSlots() (uint16, error) {
1111	c.rw.RLock()
1112	defer c.rw.RUnlock()
1113
1114	log.Error("TODO")
1115	return 0, errTODO
1116}
1117
1118// AuctionSetOutbidding is the interface to call the smart contract function
1119func (c *Client) AuctionSetOutbidding(newOutbidding uint16) (tx *types.Transaction, err error) {
1120	c.rw.Lock()
1121	defer c.rw.Unlock()
1122	cpy := c.nextBlock().copy()
1123	defer func() { c.revertIfErr(err, cpy) }()
1124	if c.addr == nil {
1125		return nil, eth.ErrAccountNil
1126	}
1127
1128	log.Error("TODO")
1129	return nil, errTODO
1130}
1131
1132// AuctionGetOutbidding is the interface to call the smart contract function
1133func (c *Client) AuctionGetOutbidding() (uint16, error) {
1134	c.rw.RLock()
1135	defer c.rw.RUnlock()
1136
1137	log.Error("TODO")
1138	return 0, errTODO
1139}
1140
1141// AuctionSetAllocationRatio is the interface to call the smart contract function
1142func (c *Client) AuctionSetAllocationRatio(newAllocationRatio [3]uint16) (tx *types.Transaction, err error) {
1143	c.rw.Lock()
1144	defer c.rw.Unlock()
1145	cpy := c.nextBlock().copy()
1146	defer func() { c.revertIfErr(err, cpy) }()
1147	if c.addr == nil {
1148		return nil, eth.ErrAccountNil
1149	}
1150
1151	log.Error("TODO")
1152	return nil, errTODO
1153}
1154
1155// AuctionGetAllocationRatio is the interface to call the smart contract function
1156func (c *Client) AuctionGetAllocationRatio() ([3]uint16, error) {
1157	c.rw.RLock()
1158	defer c.rw.RUnlock()
1159
1160	log.Error("TODO")
1161	return [3]uint16{}, errTODO
1162}
1163
1164// AuctionSetDonationAddress is the interface to call the smart contract function
1165func (c *Client) AuctionSetDonationAddress(newDonationAddress ethCommon.Address) (tx *types.Transaction, err error) {
1166	c.rw.Lock()
1167	defer c.rw.Unlock()
1168	cpy := c.nextBlock().copy()
1169	defer func() { c.revertIfErr(err, cpy) }()
1170	if c.addr == nil {
1171		return nil, eth.ErrAccountNil
1172	}
1173
1174	log.Error("TODO")
1175	return nil, errTODO
1176}
1177
1178// AuctionGetDonationAddress is the interface to call the smart contract function
1179func (c *Client) AuctionGetDonationAddress() (*ethCommon.Address, error) {
1180	c.rw.RLock()
1181	defer c.rw.RUnlock()
1182
1183	log.Error("TODO")
1184	return nil, errTODO
1185}
1186
1187// AuctionSetBootCoordinator is the interface to call the smart contract function
1188func (c *Client) AuctionSetBootCoordinator(newBootCoordinator ethCommon.Address) (tx *types.Transaction, err error) {
1189	c.rw.Lock()
1190	defer c.rw.Unlock()
1191	cpy := c.nextBlock().copy()
1192	defer func() { c.revertIfErr(err, cpy) }()
1193	if c.addr == nil {
1194		return nil, eth.ErrAccountNil
1195	}
1196
1197	log.Error("TODO")
1198	return nil, errTODO
1199}
1200
1201// AuctionGetBootCoordinator is the interface to call the smart contract function
1202func (c *Client) AuctionGetBootCoordinator() (*ethCommon.Address, error) {
1203	c.rw.RLock()
1204	defer c.rw.RUnlock()
1205
1206	currentBlock := c.currentBlock()
1207	a := currentBlock.Auction
1208
1209	return &a.Vars.BootCoordinator, nil
1210}
1211
1212// AuctionChangeDefaultSlotSetBid is the interface to call the smart contract function
1213func (c *Client) AuctionChangeDefaultSlotSetBid(slotSet int64, newInitialMinBid *big.Int) (tx *types.Transaction, err error) {
1214	c.rw.Lock()
1215	defer c.rw.Unlock()
1216	cpy := c.nextBlock().copy()
1217	defer func() { c.revertIfErr(err, cpy) }()
1218	if c.addr == nil {
1219		return nil, eth.ErrAccountNil
1220	}
1221
1222	log.Error("TODO")
1223	return nil, errTODO
1224}
1225
1226// AuctionSetCoordinator is the interface to call the smart contract function
1227func (c *Client) AuctionSetCoordinator(forger ethCommon.Address, URL string) (tx *types.Transaction, err error) {
1228	c.rw.Lock()
1229	defer c.rw.Unlock()
1230	cpy := c.nextBlock().copy()
1231	defer func() { c.revertIfErr(err, cpy) }()
1232	if c.addr == nil {
1233		return nil, eth.ErrAccountNil
1234	}
1235
1236	nextBlock := c.nextBlock()
1237	a := nextBlock.Auction
1238
1239	a.State.Coordinators[*c.addr] = &eth.Coordinator{
1240		Forger: forger,
1241		URL:    URL,
1242	}
1243
1244	a.Events.SetCoordinator = append(a.Events.SetCoordinator,
1245		eth.AuctionEventSetCoordinator{
1246			BidderAddress:  *c.addr,
1247			ForgerAddress:  forger,
1248			CoordinatorURL: URL,
1249		})
1250
1251	type data struct {
1252		BidderAddress ethCommon.Address
1253		ForgerAddress ethCommon.Address
1254		URL           string
1255	}
1256	return a.addTransaction(newTransaction("registercoordinator", data{*c.addr, forger, URL})), nil
1257}
1258
1259// AuctionIsRegisteredCoordinator is the interface to call the smart contract function
1260func (c *Client) AuctionIsRegisteredCoordinator(forgerAddress ethCommon.Address) (bool, error) {
1261	c.rw.RLock()
1262	defer c.rw.RUnlock()
1263
1264	log.Error("TODO")
1265	return false, errTODO
1266}
1267
1268// AuctionUpdateCoordinatorInfo is the interface to call the smart contract function
1269func (c *Client) AuctionUpdateCoordinatorInfo(forgerAddress ethCommon.Address, newWithdrawAddress ethCommon.Address, newURL string) (tx *types.Transaction, err error) {
1270	c.rw.Lock()
1271	defer c.rw.Unlock()
1272	cpy := c.nextBlock().copy()
1273	defer func() { c.revertIfErr(err, cpy) }()
1274	if c.addr == nil {
1275		return nil, eth.ErrAccountNil
1276	}
1277
1278	log.Error("TODO")
1279	return nil, errTODO
1280}
1281
1282// AuctionGetSlotNumber is the interface to call the smart contract function
1283func (c *Client) AuctionGetSlotNumber(blockNum int64) (int64, error) {
1284	c.rw.RLock()
1285	defer c.rw.RUnlock()
1286
1287	currentBlock := c.currentBlock()
1288	a := currentBlock.Auction
1289	return a.getSlotNumber(blockNum), nil
1290}
1291
1292// AuctionGetCurrentSlotNumber is the interface to call the smart contract function
1293func (c *Client) AuctionGetCurrentSlotNumber() (int64, error) {
1294	c.rw.RLock()
1295	defer c.rw.RUnlock()
1296
1297	log.Error("TODO")
1298	return 0, errTODO
1299}
1300
1301// AuctionGetMinBidBySlot is the interface to call the smart contract function
1302func (c *Client) AuctionGetMinBidBySlot(slot int64) (*big.Int, error) {
1303	c.rw.RLock()
1304	defer c.rw.RUnlock()
1305
1306	log.Error("TODO")
1307	return nil, errTODO
1308}
1309
1310// AuctionGetDefaultSlotSetBid is the interface to call the smart contract function
1311func (c *Client) AuctionGetDefaultSlotSetBid(slotSet uint8) (*big.Int, error) {
1312	c.rw.RLock()
1313	defer c.rw.RUnlock()
1314
1315	log.Error("TODO")
1316	return nil, errTODO
1317}
1318
1319// AuctionGetSlotSet is the interface to call the smart contract function
1320func (c *Client) AuctionGetSlotSet(slot int64) (*big.Int, error) {
1321	c.rw.RLock()
1322	defer c.rw.RUnlock()
1323
1324	log.Error("TODO")
1325	return nil, errTODO
1326}
1327
1328// AuctionTokensReceived is the interface to call the smart contract function
1329// func (c *Client) AuctionTokensReceived(operator, from, to ethCommon.Address, amount *big.Int, userData, operatorData []byte) error {
1330// 	return errTODO
1331// }
1332
1333// AuctionBidSimple is a wrapper around AuctionBid that automatically sets `amount` and `deadline`.
1334func (c *Client) AuctionBidSimple(slot int64, bidAmount *big.Int) (tx *types.Transaction, err error) {
1335	return c.AuctionBid(bidAmount, slot, bidAmount, big.NewInt(99999)) //nolint:gomnd
1336}
1337
1338// AuctionBid is the interface to call the smart contract function.  This
1339// implementation behaves as if any address has infinite tokens.
1340func (c *Client) AuctionBid(amount *big.Int, slot int64, bidAmount *big.Int,
1341	deadline *big.Int) (tx *types.Transaction, err error) {
1342	c.rw.Lock()
1343	defer c.rw.Unlock()
1344	cpy := c.nextBlock().copy()
1345	defer func() { func() { c.revertIfErr(err, cpy) }() }()
1346	if c.addr == nil {
1347		return nil, eth.ErrAccountNil
1348	}
1349
1350	nextBlock := c.nextBlock()
1351	a := nextBlock.Auction
1352
1353	if slot < a.getCurrentSlotNumber()+int64(a.Vars.ClosedAuctionSlots) {
1354		return nil, errBidClosed
1355	}
1356
1357	if slot >= a.getCurrentSlotNumber()+int64(a.Vars.ClosedAuctionSlots)+int64(a.Vars.OpenAuctionSlots) {
1358		return nil, errBidNotOpen
1359	}
1360
1361	minBid, err := a.getMinBidBySlot(slot)
1362	if err != nil {
1363		return nil, err
1364	}
1365	if bidAmount.Cmp(minBid) == -1 {
1366		return nil, errBidBelowMin
1367	}
1368
1369	if _, ok := a.State.Coordinators[*c.addr]; !ok {
1370		return nil, errCoordNotReg
1371	}
1372
1373	slotState, ok := a.State.Slots[slot]
1374	if !ok {
1375		slotState = eth.NewSlotState()
1376		a.State.Slots[slot] = slotState
1377	}
1378	slotState.Bidder = *c.addr
1379	slotState.BidAmount = bidAmount
1380
1381	a.Events.NewBid = append(a.Events.NewBid,
1382		eth.AuctionEventNewBid{Slot: slot, BidAmount: bidAmount, Bidder: *c.addr})
1383
1384	type data struct {
1385		Slot      int64
1386		BidAmount *big.Int
1387		Bidder    ethCommon.Address
1388	}
1389	return a.addTransaction(newTransaction("bid", data{slot, bidAmount, *c.addr})), nil
1390}
1391
1392// AuctionMultiBid is the interface to call the smart contract function.  This
1393// implementation behaves as if any address has infinite tokens.
1394func (c *Client) AuctionMultiBid(amount *big.Int, startingSlot int64, endingSlot int64, slotSet [6]bool,
1395	maxBid, closedMinBid, deadline *big.Int) (tx *types.Transaction, err error) {
1396	c.rw.Lock()
1397	defer c.rw.Unlock()
1398	cpy := c.nextBlock().copy()
1399	defer func() { c.revertIfErr(err, cpy) }()
1400	if c.addr == nil {
1401		return nil, eth.ErrAccountNil
1402	}
1403
1404	log.Error("TODO")
1405	return nil, errTODO
1406}
1407
1408// AuctionCanForge is the interface to call the smart contract function
1409func (c *Client) AuctionCanForge(forger ethCommon.Address, blockNum int64) (bool, error) {
1410	c.rw.RLock()
1411	defer c.rw.RUnlock()
1412
1413	currentBlock := c.currentBlock()
1414	a := currentBlock.Auction
1415	return a.canForge(forger, blockNum)
1416}
1417
1418// AuctionForge is the interface to call the smart contract function
1419func (c *Client) AuctionForge(forger ethCommon.Address) (tx *types.Transaction, err error) {
1420	c.rw.Lock()
1421	defer c.rw.Unlock()
1422	cpy := c.nextBlock().copy()
1423	defer func() { c.revertIfErr(err, cpy) }()
1424	if c.addr == nil {
1425		return nil, eth.ErrAccountNil
1426	}
1427
1428	log.Error("TODO")
1429	return nil, errTODO
1430}
1431
1432// AuctionClaimHEZ is the interface to call the smart contract function
1433func (c *Client) AuctionClaimHEZ() (tx *types.Transaction, err error) {
1434	c.rw.Lock()
1435	defer c.rw.Unlock()
1436	cpy := c.nextBlock().copy()
1437	defer func() { c.revertIfErr(err, cpy) }()
1438	if c.addr == nil {
1439		return nil, eth.ErrAccountNil
1440	}
1441
1442	log.Error("TODO")
1443	return nil, errTODO
1444}
1445
1446// AuctionGetClaimableHEZ is the interface to call the smart contract function
1447func (c *Client) AuctionGetClaimableHEZ(bidder ethCommon.Address) (*big.Int, error) {
1448	c.rw.RLock()
1449	defer c.rw.RUnlock()
1450
1451	log.Error("TODO")
1452	return nil, errTODO
1453}
1454
1455// AuctionConstants returns the Constants of the Auction Smart Contract
1456func (c *Client) AuctionConstants() (*common.AuctionConstants, error) {
1457	c.rw.RLock()
1458	defer c.rw.RUnlock()
1459
1460	return c.auctionConstants, nil
1461}
1462
1463// AuctionEventsByBlock returns the events in a block that happened in the Auction Smart Contract
1464func (c *Client) AuctionEventsByBlock(blockNum int64) (*eth.AuctionEvents, *ethCommon.Hash, error) {
1465	c.rw.RLock()
1466	defer c.rw.RUnlock()
1467
1468	block, ok := c.blocks[blockNum]
1469	if !ok {
1470		return nil, nil, fmt.Errorf("Block %v doesn't exist", blockNum)
1471	}
1472	return &block.Auction.Events, &block.Eth.Hash, nil
1473}
1474
1475//
1476// WDelayer
1477//
1478
1479// WDelayerGetHermezGovernanceDAOAddress is the interface to call the smart contract function
1480func (c *Client) WDelayerGetHermezGovernanceDAOAddress() (*ethCommon.Address, error) {
1481	c.rw.RLock()
1482	defer c.rw.RUnlock()
1483
1484	log.Error("TODO")
1485	return nil, errTODO
1486}
1487
1488// WDelayerSetHermezGovernanceDAOAddress is the interface to call the smart contract function
1489func (c *Client) WDelayerSetHermezGovernanceDAOAddress(newAddress ethCommon.Address) (tx *types.Transaction, err error) {
1490	c.rw.Lock()
1491	defer c.rw.Unlock()
1492	cpy := c.nextBlock().copy()
1493	defer func() { c.revertIfErr(err, cpy) }()
1494	if c.addr == nil {
1495		return nil, eth.ErrAccountNil
1496	}
1497
1498	log.Error("TODO")
1499	return nil, errTODO
1500}
1501
1502// WDelayerGetHermezKeeperAddress is the interface to call the smart contract function
1503func (c *Client) WDelayerGetHermezKeeperAddress() (*ethCommon.Address, error) {
1504	c.rw.RLock()
1505	defer c.rw.RUnlock()
1506
1507	log.Error("TODO")
1508	return nil, errTODO
1509}
1510
1511// WDelayerSetHermezKeeperAddress is the interface to call the smart contract function
1512func (c *Client) WDelayerSetHermezKeeperAddress(newAddress ethCommon.Address) (tx *types.Transaction, err error) {
1513	c.rw.Lock()
1514	defer c.rw.Unlock()
1515	cpy := c.nextBlock().copy()
1516	defer func() { c.revertIfErr(err, cpy) }()
1517	if c.addr == nil {
1518		return nil, eth.ErrAccountNil
1519	}
1520
1521	log.Error("TODO")
1522	return nil, errTODO
1523}
1524
1525// WDelayerGetWhiteHackGroupAddress is the interface to call the smart contract function
1526func (c *Client) WDelayerGetWhiteHackGroupAddress() (*ethCommon.Address, error) {
1527	c.rw.RLock()
1528	defer c.rw.RUnlock()
1529
1530	log.Error("TODO")
1531	return nil, errTODO
1532}
1533
1534// WDelayerSetWhiteHackGroupAddress is the interface to call the smart contract function
1535func (c *Client) WDelayerSetWhiteHackGroupAddress(newAddress ethCommon.Address) (tx *types.Transaction, err error) {
1536	c.rw.Lock()
1537	defer c.rw.Unlock()
1538	cpy := c.nextBlock().copy()
1539	defer func() { c.revertIfErr(err, cpy) }()
1540	if c.addr == nil {
1541		return nil, eth.ErrAccountNil
1542	}
1543
1544	log.Error("TODO")
1545	return nil, errTODO
1546}
1547
1548// WDelayerIsEmergencyMode is the interface to call the smart contract function
1549func (c *Client) WDelayerIsEmergencyMode() (bool, error) {
1550	c.rw.RLock()
1551	defer c.rw.RUnlock()
1552
1553	log.Error("TODO")
1554	return false, errTODO
1555}
1556
1557// WDelayerGetWithdrawalDelay is the interface to call the smart contract function
1558func (c *Client) WDelayerGetWithdrawalDelay() (*big.Int, error) {
1559	c.rw.RLock()
1560	defer c.rw.RUnlock()
1561
1562	log.Error("TODO")
1563	return nil, errTODO
1564}
1565
1566// WDelayerGetEmergencyModeStartingTime is the interface to call the smart contract function
1567func (c *Client) WDelayerGetEmergencyModeStartingTime() (*big.Int, error) {
1568	c.rw.RLock()
1569	defer c.rw.RUnlock()
1570
1571	log.Error("TODO")
1572	return nil, errTODO
1573}
1574
1575// WDelayerEnableEmergencyMode is the interface to call the smart contract function
1576func (c *Client) WDelayerEnableEmergencyMode() (tx *types.Transaction, err error) {
1577	c.rw.Lock()
1578	defer c.rw.Unlock()
1579	cpy := c.nextBlock().copy()
1580	defer func() { c.revertIfErr(err, cpy) }()
1581	if c.addr == nil {
1582		return nil, eth.ErrAccountNil
1583	}
1584
1585	log.Error("TODO")
1586	return nil, errTODO
1587}
1588
1589// WDelayerChangeWithdrawalDelay is the interface to call the smart contract function
1590func (c *Client) WDelayerChangeWithdrawalDelay(newWithdrawalDelay uint64) (tx *types.Transaction, err error) {
1591	c.rw.Lock()
1592	defer c.rw.Unlock()
1593	cpy := c.nextBlock().copy()
1594	defer func() { c.revertIfErr(err, cpy) }()
1595	if c.addr == nil {
1596		return nil, eth.ErrAccountNil
1597	}
1598
1599	nextBlock := c.nextBlock()
1600	w := nextBlock.WDelayer
1601	w.Vars.WithdrawalDelay = newWithdrawalDelay
1602	w.Events.NewWithdrawalDelay = append(w.Events.NewWithdrawalDelay,
1603		eth.WDelayerEventNewWithdrawalDelay{WithdrawalDelay: newWithdrawalDelay})
1604
1605	return w.addTransaction(newTransaction("changeWithdrawalDelay", newWithdrawalDelay)), nil
1606}
1607
1608// WDelayerDepositInfo is the interface to call the smart contract function
1609func (c *Client) WDelayerDepositInfo(owner, token ethCommon.Address) (eth.DepositState, error) {
1610	c.rw.RLock()
1611	defer c.rw.RUnlock()
1612
1613	log.Error("TODO")
1614	return eth.DepositState{}, errTODO
1615}
1616
1617// WDelayerDeposit is the interface to call the smart contract function
1618func (c *Client) WDelayerDeposit(onwer, token ethCommon.Address, amount *big.Int) (tx *types.Transaction, err error) {
1619	c.rw.Lock()
1620	defer c.rw.Unlock()
1621	cpy := c.nextBlock().copy()
1622	defer func() { c.revertIfErr(err, cpy) }()
1623	if c.addr == nil {
1624		return nil, eth.ErrAccountNil
1625	}
1626
1627	log.Error("TODO")
1628	return nil, errTODO
1629}
1630
1631// WDelayerWithdrawal is the interface to call the smart contract function
1632func (c *Client) WDelayerWithdrawal(owner, token ethCommon.Address) (tx *types.Transaction, err error) {
1633	c.rw.Lock()
1634	defer c.rw.Unlock()
1635	cpy := c.nextBlock().copy()
1636	defer func() { c.revertIfErr(err, cpy) }()
1637	if c.addr == nil {
1638		return nil, eth.ErrAccountNil
1639	}
1640
1641	log.Error("TODO")
1642	return nil, errTODO
1643}
1644
1645// WDelayerEscapeHatchWithdrawal is the interface to call the smart contract function
1646func (c *Client) WDelayerEscapeHatchWithdrawal(to, token ethCommon.Address, amount *big.Int) (tx *types.Transaction, err error) {
1647	c.rw.Lock()
1648	defer c.rw.Unlock()
1649	cpy := c.nextBlock().copy()
1650	defer func() { c.revertIfErr(err, cpy) }()
1651	if c.addr == nil {
1652		return nil, eth.ErrAccountNil
1653	}
1654
1655	log.Error("TODO")
1656	return nil, errTODO
1657}
1658
1659// WDelayerEventsByBlock returns the events in a block that happened in the WDelayer Contract
1660func (c *Client) WDelayerEventsByBlock(blockNum int64) (*eth.WDelayerEvents, *ethCommon.Hash, error) {
1661	c.rw.RLock()
1662	defer c.rw.RUnlock()
1663
1664	block, ok := c.blocks[blockNum]
1665	if !ok {
1666		return nil, nil, fmt.Errorf("Block %v doesn't exist", blockNum)
1667	}
1668	return &block.WDelayer.Events, &block.Eth.Hash, nil
1669}
1670
1671// WDelayerConstants returns the Constants of the WDelayer Contract
1672func (c *Client) WDelayerConstants() (*common.WDelayerConstants, error) {
1673	c.rw.RLock()
1674	defer c.rw.RUnlock()
1675
1676	return c.wDelayerConstants, nil
1677}