optimism

const (
	// MintOpType is a [RosettaTypes.Operation] type for an Optimism Deposit or "mint" transaction.
	MintOpType = "MINT"
	// An erroneous STOP Type not defined in rosetta-geth-sdk
	StopOpType = "STOP"
)

const (
	NumTopicsERC20Transfer = 3
	UnknownERC20Symbol     = "ERC20_UNKNOWN"
	UnknownERC20Decimals   = 0

	UnknownERC721Symbol   = "ERC721_UNKNOWN"
	UnknownERC721Decimals = 0
)

const (
	// NodeVersion is the version of geth we are using.
	NodeVersion = "1.9.24"

	// Blockchain is Optimism.
	Blockchain string = "Optimism"

	// MainnetNetwork is the value of the network
	// in MainnetNetworkIdentifier.
	MainnetNetwork string = "Mainnet"

	// TestnetNetwork is the value of the network
	// in TestnetNetworkIdentifier.
	TestnetNetwork string = "Testnet"

	// SepoliaNetwork is the value of the sepolia network.
	SepoliaNetwork string = "Sepolia"

	// GoerliNetwork is the value of the network
	// in GoerliNetworkNetworkIdentifier.
	GoerliNetwork string = "Goerli"

	// Symbol is the symbol value
	// used in Currency.
	Symbol = "ETH"

	TokenSymbol = "OP"

	// Decimals is the decimals value
	// used in Currency.
	Decimals = 18

	TokenDecimals = 18

	// FeeOpType is used to represent fee operations.
	FeeOpType = "FEE"

	// PaymentOpType is used to represent token transfer operations
	PaymentOpType = "PAYMENT"

	// ERC20MintOpType is used to represent token mint operations
	ERC20MintOpType = "ERC20_MINT"

	// ERC20BurnOpType is used to represent token burn operations
	ERC20BurnOpType = "ERC20_BURN"

	// ERC20TransferOpType is used to represent token transfer operations
	ERC20TransferOpType = "ERC20_TRANSFER"

	// CallOpType is used to represent CALL trace operations.
	CallOpType = "CALL"

	// CreateOpType is used to represent CREATE trace operations.
	CreateOpType = "CREATE"

	// Create2OpType is used to represent CREATE2 trace operations.
	Create2OpType = "CREATE2"

	// SelfDestructOpType is used to represent SELFDESTRUCT trace operations.
	SelfDestructOpType = "SELFDESTRUCT"

	// CallCodeOpType is used to represent CALLCODE trace operations.
	CallCodeOpType = "CALLCODE"

	// DelegateCallOpType is used to represent DELEGATECALL trace operations.
	DelegateCallOpType = "DELEGATECALL"

	// StaticCallOpType is used to represent STATICCALL trace operations.
	StaticCallOpType = "STATICCALL"

	// DestructOpType is a synthetic operation used to represent the
	// deletion of suicided accounts that still have funds at the end
	// of a transaction.
	DestructOpType = "DESTRUCT"

	// DelegateVotesOpType is used to represent OZ ERC20Votes votes delegation
	DelegateVotesOpType = "DELEGATE_VOTES"

	// SuccessStatus is the status of any
	// Ethereum operation considered successful.
	SuccessStatus = "SUCCESS"

	// FailureStatus is the status of any
	// Ethereum operation considered unsuccessful.
	FailureStatus = "FAILURE"

	// HistoricalBalanceSupported is whether
	// historical balance is supported.
	HistoricalBalanceSupported = true

	// GenesisBlockIndex is the index of the
	// genesis block.
	GenesisBlockIndex = int64(0)

	// TransferGasLimit is the gas limit
	// of a transfer.
	TransferGasLimit = uint64(21000) //nolint:gomnd

	// MainnetGethArguments are the arguments to start a mainnet geth instance.
	MainnetGethArguments = `--config=/app/optimism/geth.toml --gcmode=archive --graphql`

	// IncludeMempoolCoins does not apply to rosetta-ethereum as it is not UTXO-based.
	IncludeMempoolCoins = false

	// ContractAddressKey is the key used to denote the contract address
	// for a token, provided via Currency metadata.
	ContractAddressKey string = "token_address"
)

const (
	// EthGetTransactionReceipt is the RPC method used to fetch a transaction receipt.
	EthGetTransactionReceipt = "eth_getTransactionReceipt"

	// EthGetBlockByNumber is the RPC method used to fetch a block by number.
	EthGetBlockByNumber = "eth_getBlockByNumber"

	// EthCall is the RPC method used to call a contract.
	EthCall = "eth_call"

	// EthEstimateGas is the RPC method used to estimate gas.
	EthEstimateGas = "eth_estimateGas"
)

const ImplementationContractFilter = "0xc0d3c0d3c0d3c0d3c0d3c0d3c0d3c0d3c0d3"

const L1ToL2DepositType = 126 // (126)

const ProxyContractFilter = "0x420000000000000000000000000000000000"

const TopicsInErc20Transfer = 3

const (
	// TransferEvent is emitted when an ERC20 token is transferred.
	//
	// TransferEvent is emitted in two bridging scenarios:
	// 1. When a native token is being sent to a non-native chain, from the sender to the bridge contract.
	//    Think: Transferring USDC on Ethereum Mainnet to the Optimism bridge contract,
	//    you will see a Transfer event from the sender (you) to the bridge contract.
	// 2. When a non-native token is being sent to a native chain, from the bridge to the sender contract.
	// 	  Think: "Withdrawing" USDC from Optimism to Ethereum Mainnet. You will see a Transfer event
	// 	  from the bridge contract to you (the sender) once the withdrawal is finalized on Mainnet.
	TransferEvent = "Transfer(address,address,uint256)"
)