Externality interface for the Virtual Machine providing access to world state. More...

#include <ExtVM.h>

Inheritance diagram for dev::eth::ExtVM:

Public Member Functions
	ExtVM (State &_s, EnvInfo const &_envInfo, SealEngineFace const &_sealEngine, Address _myAddress, Address _caller, Address _origin, u256 _value, u256 _gasPrice, bytesConstRef _data, bytesConstRef _code, h256 const &_codeHash, unsigned _depth, bool _isCreate, bool _staticCall)
	Full constructor. More...

u256	store (u256 _n) final
	Read storage location. More...

void	setStore (u256 _n, u256 _v) final
	Write a value in storage. More...

u256	originalStorageValue (u256 const &_key) final
	Read original storage value (before modifications in the current transaction). More...

bytes const &	codeAt (Address _a) final
	Read address's code. More...

size_t	codeSizeAt (Address _a) final

h256	codeHashAt (Address _a) final

CreateResult	create (u256 _endowment, u256 &io_gas, bytesConstRef _code, Instruction _op, u256 _salt, OnOpFunc const &_onOp={}) final
	Create a new contract. More...

CallResult	call (CallParameters &_params) final
	Create a new message call. More...

u256	balance (Address _a) final
	Read address's balance. More...

bool	exists (Address _a) final
	Does the account exist? More...

void	suicide (Address _a) final
	Suicide the associated contract to the given address. More...

EVMSchedule const &	evmSchedule () const final
	Return the EVM gas-price schedule for this execution context. More...

State const &	state () const

h256	blockHash (u256 _number) final
	Hash of a block if within the last 256 blocks, or h256() otherwise. More...

Public Member Functions inherited from dev::eth::ExtVMFace
	ExtVMFace (EnvInfo const &_envInfo, Address _myAddress, Address _caller, Address _origin, u256 _value, u256 _gasPrice, bytesConstRef _data, bytes _code, h256 const &_codeHash, unsigned _depth, bool _isCreate, bool _staticCall)
	Full constructor. More...

virtual	~ExtVMFace ()=default

	ExtVMFace (ExtVMFace const &)=delete

ExtVMFace &	operator= (ExtVMFace const &)=delete

virtual void	log (h256s &&_topics, bytesConstRef _data)
	Revert any changes made (by any of the other calls). More...

EnvInfo const &	envInfo () const
	Get the execution environment information. More...

Additional Inherited Members
Public Attributes inherited from dev::eth::ExtVMFace
Address	myAddress
	Address associated with executing code (a contract, or contract-to-be). More...

Address	caller
	Address which sent the message (either equal to origin or a contract). More...

Address	origin
	Original transactor. More...

u256	value
	Value (in Wei) that was passed to this address. More...

u256	gasPrice
	Price of gas (that we already paid). More...

bytesConstRef	data
	Current input data. More...

bytes	code
	Current code that is executing. More...

h256	codeHash
	SHA3 hash of the executing code. More...

u256	salt
	Values used in new address construction by CREATE2. More...

SubState	sub
	Sub-band VM state (suicides, refund counter, logs). More...

unsigned	depth = 0
	Depth of the present call. More...

bool	isCreate = false
	Is this a CREATE call? More...

bool	staticCall = false
	Throw on state changing. More...

Detailed Description

Externality interface for the Virtual Machine providing access to world state.

Definition at line 38 of file ExtVM.h.

Constructor & Destructor Documentation

◆ ExtVM()

dev::eth::ExtVM::ExtVM	(	State &	_s,
		EnvInfo const &	_envInfo,
		SealEngineFace const &	_sealEngine,
		Address	_myAddress,
		Address	_caller,
		Address	_origin,
		u256	_value,
		u256	_gasPrice,
		bytesConstRef	_data,
		bytesConstRef	_code,
		h256 const &	_codeHash,
		unsigned	_depth,
		bool	_isCreate,
		bool	_staticCall
	)

inline

Full constructor.

Definition at line 42 of file ExtVM.h.

Member Function Documentation

◆ balance()

u256 dev::eth::ExtVM::balance ( Address _a )

inlinefinalvirtual

Read address's balance.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 85 of file ExtVM.h.

◆ blockHash()

h256 ExtVM::blockHash ( u256 _number )

finalvirtual

Hash of a block if within the last 256 blocks, or h256() otherwise.

Implements dev::eth::ExtVMFace.

Definition at line 186 of file ExtVM.cpp.

◆ call()

CallResult ExtVM::call ( CallParameters & _params )

finalvirtual

Create a new message call.

Implements dev::eth::ExtVMFace.

Definition at line 126 of file ExtVM.cpp.

◆ codeAt()

bytes const& dev::eth::ExtVM::codeAt ( Address _a )

inlinefinalvirtual

Read address's code.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 70 of file ExtVM.h.

◆ codeHashAt()

h256 ExtVM::codeHashAt ( Address _a )

finalvirtual

Returns: the hash of the code at the given address.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 144 of file ExtVM.cpp.

◆ codeSizeAt()

size_t ExtVM::codeSizeAt ( dev::Address _a )

finalvirtual

Returns: the size of the code in bytes at the given address.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 139 of file ExtVM.cpp.

◆ create()

CreateResult ExtVM::create	(	u256	_endowment,
		u256 &	io_gas,
		bytesConstRef	_code,
		Instruction	_op,
		u256	_salt,
		OnOpFunc const &	_onOp = `{}`
	)

finalvirtual

Create a new contract.

Implements dev::eth::ExtVMFace.

Definition at line 154 of file ExtVM.cpp.

◆ evmSchedule()

EVMSchedule const& dev::eth::ExtVM::evmSchedule ( ) const

inlinefinalvirtual

Return the EVM gas-price schedule for this execution context.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 100 of file ExtVM.h.

◆ exists()

bool dev::eth::ExtVM::exists ( Address _a )

inlinefinalvirtual

Does the account exist?

Reimplemented from dev::eth::ExtVMFace.

Definition at line 88 of file ExtVM.h.

◆ originalStorageValue()

u256 dev::eth::ExtVM::originalStorageValue ( u256 const & _key )

inlinefinalvirtual

Read original storage value (before modifications in the current transaction).

Reimplemented from dev::eth::ExtVMFace.

Definition at line 64 of file ExtVM.h.

◆ setStore()

void ExtVM::setStore	(	u256	_n,
		u256	_v
	)

finalvirtual

Write a value in storage.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 149 of file ExtVM.cpp.

◆ state()

State const& dev::eth::ExtVM::state ( ) const

inline

Definition at line 105 of file ExtVM.h.

◆ store()

u256 dev::eth::ExtVM::store ( u256 _n )

inlinefinalvirtual

Read storage location.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 58 of file ExtVM.h.

◆ suicide()

void ExtVM::suicide ( Address _a )

finalvirtual

Suicide the associated contract to the given address.

Reimplemented from dev::eth::ExtVMFace.

Definition at line 175 of file ExtVM.cpp.

The documentation for this class was generated from the following files:

/home/abuild/rpmbuild/BUILD/ethereum-cpp-1.6.0/libethereum/ExtVM.h
/home/abuild/rpmbuild/BUILD/ethereum-cpp-1.6.0/libethereum/ExtVM.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ExtVM()

Member Function Documentation

◆ balance()

◆ blockHash()

◆ call()

◆ codeAt()

◆ codeHashAt()

◆ codeSizeAt()

◆ create()

◆ evmSchedule()

◆ exists()

◆ originalStorageValue()

◆ setStore()

◆ state()

◆ store()

◆ suicide()