575 lines
18 KiB
Go
575 lines
18 KiB
Go
package bridge
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"math/big"
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netUrl "net/url"
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"strings"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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ethTypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/status-im/status-go/account"
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"github.com/status-im/status-go/contracts"
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"github.com/status-im/status-go/contracts/hop"
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hopL1CctpImplementation "github.com/status-im/status-go/contracts/hop/l1Contracts/l1CctpImplementation"
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hopL1Erc20Bridge "github.com/status-im/status-go/contracts/hop/l1Contracts/l1Erc20Bridge"
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hopL1EthBridge "github.com/status-im/status-go/contracts/hop/l1Contracts/l1EthBridge"
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hopL1HopBridge "github.com/status-im/status-go/contracts/hop/l1Contracts/l1HopBridge"
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hopL2AmmWrapper "github.com/status-im/status-go/contracts/hop/l2Contracts/l2AmmWrapper"
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hopL2ArbitrumBridge "github.com/status-im/status-go/contracts/hop/l2Contracts/l2ArbitrumBridge"
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hopL2CctpImplementation "github.com/status-im/status-go/contracts/hop/l2Contracts/l2CctpImplementation"
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hopL2OptimismBridge "github.com/status-im/status-go/contracts/hop/l2Contracts/l2OptimismBridge"
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"github.com/status-im/status-go/eth-node/types"
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"github.com/status-im/status-go/rpc"
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"github.com/status-im/status-go/rpc/chain"
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"github.com/status-im/status-go/services/wallet/bigint"
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walletCommon "github.com/status-im/status-go/services/wallet/common"
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"github.com/status-im/status-go/services/wallet/thirdparty"
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"github.com/status-im/status-go/services/wallet/token"
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"github.com/status-im/status-go/transactions"
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)
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const (
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SevenDaysInSeconds = 604800
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hopSymbol = "HOP"
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)
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type HopTxArgs struct {
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transactions.SendTxArgs
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ChainID uint64 `json:"chainId"`
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Symbol string `json:"symbol"`
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Recipient common.Address `json:"recipient"`
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Amount *hexutil.Big `json:"amount"`
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BonderFee *hexutil.Big `json:"bonderFee"`
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}
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type BonderFee struct {
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AmountIn *bigint.BigInt `json:"amountIn"`
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Slippage float32 `json:"slippage"`
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AmountOutMin *bigint.BigInt `json:"amountOutMin"`
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DestinationAmountOutMin *bigint.BigInt `json:"destinationAmountOutMin"`
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BonderFee *bigint.BigInt `json:"bonderFee"`
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EstimatedRecieved *bigint.BigInt `json:"estimatedRecieved"`
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Deadline int64 `json:"deadline"`
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DestinationDeadline int64 `json:"destinationDeadline"`
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}
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func (bf *BonderFee) UnmarshalJSON(data []byte) error {
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type Alias BonderFee
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aux := &struct {
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AmountIn string `json:"amountIn"`
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Slippage float32 `json:"slippage"`
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AmountOutMin string `json:"amountOutMin"`
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DestinationAmountOutMin string `json:"destinationAmountOutMin"`
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BonderFee string `json:"bonderFee"`
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EstimatedRecieved string `json:"estimatedRecieved"`
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Deadline int64 `json:"deadline"`
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DestinationDeadline *int64 `json:"destinationDeadline"`
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*Alias
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}{
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Alias: (*Alias)(bf),
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}
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if err := json.Unmarshal(data, aux); err != nil {
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return err
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}
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bf.AmountIn = &bigint.BigInt{Int: new(big.Int)}
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bf.AmountIn.SetString(aux.AmountIn, 10)
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bf.AmountOutMin = &bigint.BigInt{Int: new(big.Int)}
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bf.AmountOutMin.SetString(aux.AmountOutMin, 10)
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bf.DestinationAmountOutMin = &bigint.BigInt{Int: new(big.Int)}
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bf.DestinationAmountOutMin.SetString(aux.DestinationAmountOutMin, 10)
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bf.BonderFee = &bigint.BigInt{Int: new(big.Int)}
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bf.BonderFee.SetString(aux.BonderFee, 10)
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bf.EstimatedRecieved = &bigint.BigInt{Int: new(big.Int)}
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bf.EstimatedRecieved.SetString(aux.EstimatedRecieved, 10)
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bf.Deadline = aux.Deadline
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if aux.DestinationDeadline != nil {
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bf.DestinationDeadline = *aux.DestinationDeadline
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}
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return nil
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}
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type HopBridge struct {
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transactor transactions.TransactorIface
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httpClient *thirdparty.HTTPClient
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tokenManager *token.Manager
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contractMaker *contracts.ContractMaker
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bonderFee *BonderFee
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}
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func NewHopBridge(rpcClient *rpc.Client, transactor transactions.TransactorIface, tokenManager *token.Manager) *HopBridge {
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return &HopBridge{
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contractMaker: &contracts.ContractMaker{RPCClient: rpcClient},
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httpClient: thirdparty.NewHTTPClient(),
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transactor: transactor,
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tokenManager: tokenManager,
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}
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}
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func (h *HopBridge) Name() string {
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return HopName
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}
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func (h *HopBridge) AvailableFor(params BridgeParams) (bool, error) {
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// We chcek if the contract is available on the network for the token
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_, err := h.GetContractAddress(params)
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// toToken is not nil only if the send type is Swap
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return err == nil && params.ToToken == nil, nil
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}
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func (c *HopBridge) getAppropriateABI(contractType string, chainID uint64, token *token.Token) (abi.ABI, error) {
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switch contractType {
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case hop.CctpL1Bridge:
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return abi.JSON(strings.NewReader(hopL1CctpImplementation.HopL1CctpImplementationABI))
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case hop.L1Bridge:
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if token.IsNative() {
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return abi.JSON(strings.NewReader(hopL1EthBridge.HopL1EthBridgeABI))
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}
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if token.Symbol == hopSymbol {
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return abi.JSON(strings.NewReader(hopL1HopBridge.HopL1HopBridgeABI))
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}
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return abi.JSON(strings.NewReader(hopL1Erc20Bridge.HopL1Erc20BridgeABI))
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case hop.L2AmmWrapper:
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return abi.JSON(strings.NewReader(hopL2AmmWrapper.HopL2AmmWrapperABI))
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case hop.CctpL2Bridge:
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return abi.JSON(strings.NewReader(hopL2CctpImplementation.HopL2CctpImplementationABI))
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case hop.L2Bridge:
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if chainID == walletCommon.OptimismMainnet ||
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chainID == walletCommon.OptimismSepolia {
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return abi.JSON(strings.NewReader(hopL2OptimismBridge.HopL2OptimismBridgeABI))
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}
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if chainID == walletCommon.ArbitrumMainnet ||
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chainID == walletCommon.ArbitrumSepolia {
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return abi.JSON(strings.NewReader(hopL2ArbitrumBridge.HopL2ArbitrumBridgeABI))
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}
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}
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return abi.ABI{}, errors.New("not available for contract type")
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}
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func (h *HopBridge) PackTxInputData(params BridgeParams, contractType string) ([]byte, error) {
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abi, err := h.getAppropriateABI(contractType, params.FromChain.ChainID, params.FromToken)
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if err != nil {
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return []byte{}, err
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}
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switch contractType {
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case hop.CctpL1Bridge:
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return h.packCctpL1BridgeTx(abi, params.ToChain.ChainID, params.ToAddr)
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case hop.L1Bridge:
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return h.packL1BridgeTx(abi, params.ToChain.ChainID, params.ToAddr)
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case hop.L2AmmWrapper:
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return h.packL2AmmWrapperTx(abi, params.ToChain.ChainID, params.ToAddr)
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case hop.CctpL2Bridge:
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return h.packCctpL2BridgeTx(abi, params.ToChain.ChainID, params.ToAddr)
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case hop.L2Bridge:
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return h.packL2BridgeTx(abi, params.ToChain.ChainID, params.ToAddr)
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}
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return []byte{}, errors.New("contract type not supported yet")
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}
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func (h *HopBridge) EstimateGas(params BridgeParams) (uint64, error) {
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value := big.NewInt(0)
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if params.FromToken.IsNative() {
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value = params.AmountIn
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}
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contractAddress, contractType, err := hop.GetContractAddress(params.FromChain.ChainID, params.FromToken.Symbol)
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if err != nil {
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return 0, err
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}
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input, err := h.PackTxInputData(params, contractType)
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if err != nil {
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return 0, err
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}
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ethClient, err := h.contractMaker.RPCClient.EthClient(params.FromChain.ChainID)
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if err != nil {
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return 0, err
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}
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msg := ethereum.CallMsg{
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From: params.FromAddr,
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To: &contractAddress,
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Value: value,
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Data: input,
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}
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estimation, err := ethClient.EstimateGas(context.Background(), msg)
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if err != nil {
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if !params.FromToken.IsNative() {
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// TODO: this is a temporary solution until we find a better way to estimate the gas
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// hardcoding the estimation for other than ETH, cause we cannot get a proper estimation without having an approval placed first
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// this is an error we're facing otherwise: `execution reverted: ERC20: transfer amount exceeds allowance`
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estimation = 350000
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} else {
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return 0, err
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}
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}
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increasedEstimation := float64(estimation) * IncreaseEstimatedGasFactor
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return uint64(increasedEstimation), nil
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}
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func (h *HopBridge) BuildTx(params BridgeParams) (*ethTypes.Transaction, error) {
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toAddr := types.Address(params.ToAddr)
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sendArgs := &TransactionBridge{
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HopTx: &HopTxArgs{
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SendTxArgs: transactions.SendTxArgs{
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From: types.Address(params.FromAddr),
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To: &toAddr,
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Value: (*hexutil.Big)(params.AmountIn),
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Data: types.HexBytes("0x0"),
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},
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Symbol: params.FromToken.Symbol,
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Recipient: params.ToAddr,
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Amount: (*hexutil.Big)(params.AmountIn),
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BonderFee: (*hexutil.Big)(params.BonderFee),
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ChainID: params.ToChain.ChainID,
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},
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ChainID: params.FromChain.ChainID,
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}
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return h.BuildTransaction(sendArgs)
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}
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func (h *HopBridge) GetContractAddress(params BridgeParams) (common.Address, error) {
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address, _, err := hop.GetContractAddress(params.FromChain.ChainID, params.FromToken.Symbol)
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return address, err
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}
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func (h *HopBridge) sendOrBuild(sendArgs *TransactionBridge, signerFn bind.SignerFn) (tx *ethTypes.Transaction, err error) {
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fromChain := h.contractMaker.RPCClient.NetworkManager.Find(sendArgs.ChainID)
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if fromChain == nil {
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return tx, fmt.Errorf("ChainID not supported %d", sendArgs.ChainID)
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}
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token := h.tokenManager.FindToken(fromChain, sendArgs.HopTx.Symbol)
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nonce, err := h.transactor.NextNonce(h.contractMaker.RPCClient, fromChain.ChainID, sendArgs.HopTx.From)
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if err != nil {
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return tx, err
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}
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argNonce := hexutil.Uint64(nonce)
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sendArgs.HopTx.Nonce = &argNonce
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txOpts := sendArgs.HopTx.ToTransactOpts(signerFn)
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if token.IsNative() {
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txOpts.Value = (*big.Int)(sendArgs.HopTx.Amount)
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}
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ethClient, err := h.contractMaker.RPCClient.EthClient(fromChain.ChainID)
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if err != nil {
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return tx, err
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}
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contractAddress, contractType, err := hop.GetContractAddress(fromChain.ChainID, sendArgs.HopTx.Symbol)
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if err != nil {
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return tx, err
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}
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switch contractType {
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case hop.CctpL1Bridge:
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return h.sendCctpL1BridgeTx(contractAddress, ethClient, sendArgs.HopTx.ChainID, sendArgs.HopTx.Recipient, txOpts)
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case hop.L1Bridge:
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return h.sendL1BridgeTx(contractAddress, ethClient, sendArgs.HopTx.ChainID, sendArgs.HopTx.Recipient, txOpts, token)
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case hop.L2AmmWrapper:
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return h.sendL2AmmWrapperTx(contractAddress, ethClient, sendArgs.HopTx.ChainID, sendArgs.HopTx.Recipient, txOpts)
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case hop.CctpL2Bridge:
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return h.sendCctpL2BridgeTx(contractAddress, ethClient, sendArgs.HopTx.ChainID, sendArgs.HopTx.Recipient, txOpts)
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case hop.L2Bridge:
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return h.sendL2BridgeTx(contractAddress, ethClient, sendArgs.HopTx.ChainID, sendArgs.HopTx.Recipient, txOpts)
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}
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return tx, err
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}
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func (h *HopBridge) Send(sendArgs *TransactionBridge, verifiedAccount *account.SelectedExtKey) (hash types.Hash, err error) {
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tx, err := h.sendOrBuild(sendArgs, getSigner(sendArgs.ChainID, sendArgs.HopTx.From, verifiedAccount))
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if err != nil {
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return types.Hash{}, err
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}
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return types.Hash(tx.Hash()), nil
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}
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func (h *HopBridge) BuildTransaction(sendArgs *TransactionBridge) (*ethTypes.Transaction, error) {
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return h.sendOrBuild(sendArgs, nil)
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}
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func (h *HopBridge) CalculateFees(params BridgeParams) (*big.Int, *big.Int, error) {
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hopChainsMap := map[uint64]string{
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walletCommon.EthereumMainnet: "ethereum",
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walletCommon.OptimismMainnet: "optimism",
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walletCommon.ArbitrumMainnet: "arbitrum",
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}
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fromChainName, ok := hopChainsMap[params.FromChain.ChainID]
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if !ok {
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return nil, nil, errors.New("from chain not supported")
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}
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toChainName, ok := hopChainsMap[params.ToChain.ChainID]
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if !ok {
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return nil, nil, errors.New("to chain not supported")
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}
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reqParams := netUrl.Values{}
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reqParams.Add("amount", params.AmountIn.String())
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reqParams.Add("token", params.FromToken.Symbol)
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reqParams.Add("fromChain", fromChainName)
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reqParams.Add("toChain", toChainName)
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reqParams.Add("slippage", "0.5") // menas 0.5%
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url := "https://api.hop.exchange/v1/quote"
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response, err := h.httpClient.DoGetRequest(context.Background(), url, reqParams)
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if err != nil {
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return nil, nil, err
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}
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h.bonderFee = &BonderFee{}
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err = json.Unmarshal(response, h.bonderFee)
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if err != nil {
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return nil, nil, err
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}
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// Remove token fee from bonder fee as said here:
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// https://docs.hop.exchange/v/developer-docs/api/api#get-v1-quote
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// `bonderFee` - The suggested bonder fee for the amount in. The bonder fee also includes the cost of the destination transaction fee.
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tokenFee := big.NewInt(0) //new(big.Int).Sub(h.bonderFee.AmountIn.Int, h.bonderFee.EstimatedRecieved.Int)
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return h.bonderFee.BonderFee.Int, tokenFee, nil
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}
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func (h *HopBridge) CalculateAmountOut(params BridgeParams) (*big.Int, error) {
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return h.bonderFee.EstimatedRecieved.Int, nil
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}
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func (h *HopBridge) packCctpL1BridgeTx(abi abi.ABI, toChainID uint64, to common.Address) ([]byte, error) {
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return abi.Pack("send",
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big.NewInt(int64(toChainID)),
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to,
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h.bonderFee.AmountIn.Int,
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h.bonderFee.BonderFee.Int)
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}
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func (h *HopBridge) sendCctpL1BridgeTx(contractAddress common.Address, ethClient chain.ClientInterface, toChainID uint64, to common.Address, txOpts *bind.TransactOpts) (tx *ethTypes.Transaction, err error) {
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contractInstance, err := hopL1CctpImplementation.NewHopL1CctpImplementation(
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contractAddress,
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ethClient,
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)
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if err != nil {
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return tx, err
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}
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return contractInstance.Send(
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txOpts,
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big.NewInt(int64(toChainID)),
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to,
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h.bonderFee.AmountIn.Int,
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h.bonderFee.BonderFee.Int)
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}
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func (h *HopBridge) packL1BridgeTx(abi abi.ABI, toChainID uint64, to common.Address) ([]byte, error) {
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return abi.Pack("sendToL2",
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big.NewInt(int64(toChainID)),
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to,
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h.bonderFee.AmountIn.Int,
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h.bonderFee.AmountOutMin.Int,
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big.NewInt(h.bonderFee.Deadline),
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common.Address{},
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big.NewInt(0))
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}
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func (h *HopBridge) sendL1BridgeTx(contractAddress common.Address, ethClient chain.ClientInterface, toChainID uint64, to common.Address, txOpts *bind.TransactOpts, token *token.Token) (tx *ethTypes.Transaction, err error) {
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if token.IsNative() {
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contractInstance, err := hopL1EthBridge.NewHopL1EthBridge(
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contractAddress,
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ethClient,
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)
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if err != nil {
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return tx, err
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}
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return contractInstance.SendToL2(
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txOpts,
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big.NewInt(int64(toChainID)),
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to,
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h.bonderFee.AmountIn.Int,
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h.bonderFee.AmountOutMin.Int,
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big.NewInt(h.bonderFee.Deadline),
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common.Address{},
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big.NewInt(0))
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}
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if token.Symbol == hopSymbol {
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contractInstance, err := hopL1HopBridge.NewHopL1HopBridge(
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contractAddress,
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ethClient,
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)
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if err != nil {
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return tx, err
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}
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return contractInstance.SendToL2(
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txOpts,
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big.NewInt(int64(toChainID)),
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to,
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h.bonderFee.AmountIn.Int,
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h.bonderFee.AmountOutMin.Int,
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big.NewInt(h.bonderFee.Deadline),
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common.Address{},
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big.NewInt(0))
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}
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contractInstance, err := hopL1Erc20Bridge.NewHopL1Erc20Bridge(
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contractAddress,
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ethClient,
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)
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if err != nil {
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return tx, err
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}
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return contractInstance.SendToL2(
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txOpts,
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big.NewInt(int64(toChainID)),
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to,
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h.bonderFee.AmountIn.Int,
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h.bonderFee.AmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.Deadline),
|
|
common.Address{},
|
|
big.NewInt(0))
|
|
|
|
}
|
|
|
|
func (h *HopBridge) packCctpL2BridgeTx(abi abi.ABI, toChainID uint64, to common.Address) ([]byte, error) {
|
|
return abi.Pack("send",
|
|
big.NewInt(int64(toChainID)),
|
|
to,
|
|
h.bonderFee.AmountIn.Int,
|
|
h.bonderFee.BonderFee.Int)
|
|
}
|
|
|
|
func (h *HopBridge) sendCctpL2BridgeTx(contractAddress common.Address, ethClient chain.ClientInterface, toChainID uint64, to common.Address, txOpts *bind.TransactOpts) (tx *ethTypes.Transaction, err error) {
|
|
contractInstance, err := hopL2CctpImplementation.NewHopL2CctpImplementation(
|
|
contractAddress,
|
|
ethClient,
|
|
)
|
|
if err != nil {
|
|
return tx, err
|
|
}
|
|
|
|
return contractInstance.Send(
|
|
txOpts,
|
|
big.NewInt(int64(toChainID)),
|
|
to,
|
|
h.bonderFee.AmountIn.Int,
|
|
h.bonderFee.BonderFee.Int,
|
|
)
|
|
}
|
|
|
|
func (h *HopBridge) packL2AmmWrapperTx(abi abi.ABI, toChainID uint64, to common.Address) ([]byte, error) {
|
|
return abi.Pack("swapAndSend",
|
|
big.NewInt(int64(toChainID)),
|
|
to,
|
|
h.bonderFee.AmountIn.Int,
|
|
h.bonderFee.BonderFee.Int,
|
|
h.bonderFee.AmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.Deadline),
|
|
h.bonderFee.DestinationAmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.DestinationDeadline))
|
|
}
|
|
|
|
func (h *HopBridge) sendL2AmmWrapperTx(contractAddress common.Address, ethClient chain.ClientInterface, toChainID uint64, to common.Address, txOpts *bind.TransactOpts) (tx *ethTypes.Transaction, err error) {
|
|
contractInstance, err := hopL2AmmWrapper.NewHopL2AmmWrapper(
|
|
contractAddress,
|
|
ethClient,
|
|
)
|
|
if err != nil {
|
|
return tx, err
|
|
}
|
|
|
|
return contractInstance.SwapAndSend(
|
|
txOpts,
|
|
big.NewInt(int64(toChainID)),
|
|
to,
|
|
h.bonderFee.AmountIn.Int,
|
|
h.bonderFee.BonderFee.Int,
|
|
h.bonderFee.AmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.Deadline),
|
|
h.bonderFee.DestinationAmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.DestinationDeadline))
|
|
}
|
|
|
|
func (h *HopBridge) packL2BridgeTx(abi abi.ABI, toChainID uint64, to common.Address) ([]byte, error) {
|
|
return abi.Pack("send",
|
|
big.NewInt(int64(toChainID)),
|
|
to,
|
|
h.bonderFee.AmountIn.Int,
|
|
h.bonderFee.BonderFee.Int,
|
|
h.bonderFee.AmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.Deadline))
|
|
}
|
|
|
|
func (h *HopBridge) sendL2BridgeTx(contractAddress common.Address, ethClient chain.ClientInterface, toChainID uint64, to common.Address, txOpts *bind.TransactOpts) (tx *ethTypes.Transaction, err error) {
|
|
fromChainID := ethClient.NetworkID()
|
|
if fromChainID == walletCommon.OptimismMainnet ||
|
|
fromChainID == walletCommon.OptimismSepolia {
|
|
contractInstance, err := hopL2OptimismBridge.NewHopL2OptimismBridge(
|
|
contractAddress,
|
|
ethClient,
|
|
)
|
|
if err != nil {
|
|
return tx, err
|
|
}
|
|
|
|
return contractInstance.Send(
|
|
txOpts,
|
|
big.NewInt(int64(toChainID)),
|
|
to,
|
|
h.bonderFee.AmountIn.Int,
|
|
h.bonderFee.BonderFee.Int,
|
|
h.bonderFee.AmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.Deadline))
|
|
}
|
|
if fromChainID == walletCommon.ArbitrumMainnet ||
|
|
fromChainID == walletCommon.ArbitrumSepolia {
|
|
contractInstance, err := hopL2ArbitrumBridge.NewHopL2ArbitrumBridge(
|
|
contractAddress,
|
|
ethClient,
|
|
)
|
|
if err != nil {
|
|
return tx, err
|
|
}
|
|
|
|
return contractInstance.Send(
|
|
txOpts,
|
|
big.NewInt(int64(toChainID)),
|
|
to,
|
|
h.bonderFee.AmountIn.Int,
|
|
h.bonderFee.BonderFee.Int,
|
|
h.bonderFee.AmountOutMin.Int,
|
|
big.NewInt(h.bonderFee.Deadline))
|
|
}
|
|
|
|
return tx, errors.New("tx for chain not supported yet")
|
|
}
|