vm

type Account interface {
	SubBalance(amount *big.Int)
	AddBalance(amount *big.Int)
	SetBalance(*big.Int)
	SetNonce(uint64)
	Balance() *big.Int
	Address() common.Address
	ReturnGas(*big.Int, *big.Int)
	SetCode([]byte)
	ForEachStorage(cb func(key, value common.Hash) bool)
	Value() *big.Int
}

type Config struct {
	Debug     bool
	EnableJit bool
	ForceJit  bool
	Logger    LogConfig
}

type Contract struct {
	// CallerAddress is the result of the caller which initialised this
	// contract. However when the "call method" is delegated this value
	// needs to be initialised to that of the caller's caller.
	CallerAddress common.Address

	Code     []byte
	Input    []byte
	CodeAddr *common.Address

	Gas, UsedGas, Price *big.Int

	Args []byte

	DelegateCall bool
	// contains filtered or unexported fields
}

type ContractRef interface {
	ReturnGas(*big.Int, *big.Int)
	Address() common.Address
	Value() *big.Int
	SetCode([]byte)
	ForEachStorage(callback func(key, value common.Hash) bool)
}

type Database interface {
	GetAccount(common.Address) Account
	CreateAccount(common.Address) Account

	AddBalance(common.Address, *big.Int)
	GetBalance(common.Address) *big.Int

	GetNonce(common.Address) uint64
	SetNonce(common.Address, uint64)

	GetCode(common.Address) []byte
	SetCode(common.Address, []byte)
	GetCodeHash(common.Address) common.Hash

	AddRefund(*big.Int)
	GetRefund() *big.Int

	GetState(common.Address, common.Hash) common.Hash
	SetState(common.Address, common.Hash, common.Hash)

	Delete(common.Address) bool
	Exist(common.Address) bool
	IsDeleted(common.Address) bool
}

type EVM struct {
	// contains filtered or unexported fields
}

type Environment interface {
	// The current ruleset
	RuleSet() RuleSet
	// The state database
	Db() Database
	// Creates a restorable snapshot
	MakeSnapshot() Database
	// Set database to previous snapshot
	SetSnapshot(Database)
	// Address of the original invoker (first occurrence of the VM invoker)
	Origin() common.Address
	// The block number this VM is invoked on
	BlockNumber() *big.Int
	// The n'th hash ago from this block number
	GetHash(uint64) common.Hash
	// The handler's address
	Coinbase() common.Address
	// The current time (block time)
	Time() *big.Int
	// Difficulty set on the current block
	Difficulty() *big.Int
	// The gas limit of the block
	GasLimit() *big.Int
	// Determines whether it's possible to transact
	CanTransfer(from common.Address, balance *big.Int) bool
	// Transfers amount from one account to the other
	Transfer(from, to Account, amount *big.Int)
	// Adds a LOG to the state
	AddLog(*Log)
	// Type of the VM
	Vm() Vm
	// Get the curret calling depth
	Depth() int
	// Set the current calling depth
	SetDepth(i int)
	// Call another contract
	Call(me ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error)
	// Take another's contract code and execute within our own context
	CallCode(me ContractRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error)
	// Same as CallCode except sender and value is propagated from parent to child scope
	DelegateCall(me ContractRef, addr common.Address, data []byte, gas, price *big.Int) ([]byte, error)
	// Create a new contract
	Create(me ContractRef, data []byte, gas, price, value *big.Int) ([]byte, common.Address, error)
	// Mark the code hash that was executed
	MarkCodeHash(hash common.Hash)
}

type Log struct {
	// Consensus fields
	Address common.Address
	Topics  []common.Hash
	Data    []byte

	// Derived fields (don't reorder!)
	BlockNumber uint64
	TxHash      common.Hash
	TxIndex     uint
	BlockHash   common.Hash
	Index       uint
}

type LogConfig struct {
	DisableMemory  bool               // disable memory capture
	DisableStack   bool               // disable stack capture
	DisableStorage bool               // disable storage capture
	FullStorage    bool               // show full storage (slow)
	Collector      StructLogCollector // the log collector
}

type LogForStorage Log

type Logger struct {
	// contains filtered or unexported fields
}

type Logs []*Log

type Memory struct {
	// contains filtered or unexported fields
}

type OpCode byte

type PrecompiledAccount struct {
	Gas func(l int) *big.Int
	// contains filtered or unexported fields
}

type Program struct {
	Id common.Hash // Id of the program
	// contains filtered or unexported fields
}

type RuleSet interface {
	IsHomestead(*big.Int) bool
}

type Storage map[common.Hash]common.Hash

type StructLog struct {
	Pc      uint64
	Op      OpCode
	Gas     *big.Int
	GasCost *big.Int
	Memory  []byte
	Stack   []*big.Int
	Storage map[common.Hash]common.Hash
	Depth   int
	Err     error
}

type StructLogCollector interface {
	// Adds the structured log to the collector.
	AddStructLog(StructLog)
}

type Type byte

type VirtualMachine interface {
	Run(*Contract, []byte) ([]byte, error)
}

type Vm interface {
	// Run should execute the given contract with the input given in in
	// and return the contract execution return bytes or an error if it
	// failed.
	Run(c *Contract, in []byte) ([]byte, error)
}