#include <fascstate.h>

Inheritance diagram for FascState:

Collaboration diagram for FascState:

Public Member Functions
	FascState ()

	FascState (dev::u256 const &_accountStartNonce, dev::OverlayDB const &_db, const std::string &_path, dev::eth::BaseState _bs=dev::eth::BaseState::PreExisting)

ResultExecute	execute (dev::eth::EnvInfo const &_envInfo, dev::eth::SealEngineFace const &_sealEngine, FascTransaction const &_t, dev::eth::Permanence _p=dev::eth::Permanence::Committed, dev::eth::OnOpFunc const &_onOp=OnOpFunc())

void	setRootUTXO (dev::h256 const &_r)

void	setCacheUTXO (dev::Address const &address, Vin const &vin)

dev::h256	rootHashUTXO () const

std::unordered_map< dev::Address, Vin >	vins () const

dev::OverlayDB const &	dbUtxo () const

dev::OverlayDB &	dbUtxo ()

virtual	~FascState ()

Public Member Functions inherited from dev::eth::State
	State (u256 const &_accountStartNonce)
	Default constructor; creates with a blank database prepopulated with the genesis block. More...

	State (u256 const &_accountStartNonce, OverlayDB const &_db, BaseState _bs=BaseState::PreExisting)
	Basic state object from database. More...

	State (NullType)

	State (State const &_s)
	Copy state object. More...

State &	operator= (State const &_s)
	Copy state object. More...

OverlayDB const &	db () const

OverlayDB &	db ()

void	populateFrom (AccountMap const &_map)
	Populate the state from the given AccountMap. Just uses dev::eth::commit(). More...

std::unordered_map< Address, u256 >	addresses () const

std::pair< ExecutionResult, TransactionReceipt >	execute (EnvInfo const &_envInfo, SealEngineFace const &_sealEngine, Transaction const &_t, Permanence _p=Permanence::Committed, OnOpFunc const &_onOp=OnOpFunc())
	Execute a given transaction. More...

bool	addressInUse (Address const &_address) const
	Check if the address is in use. More...

bool	accountNonemptyAndExisting (Address const &_address) const
	Check if the account exists in the state and is non empty (nonce > 0 \|\| balance > 0 \|\| code nonempty). More...

bool	addressHasCode (Address const &_address) const
	Check if the address contains executable code. More...

u256	balance (Address const &_id) const
	Get an account's balance. More...

void	subBalance (Address const &_addr, u256 const &_value)
	Subtract the `_value` amount from the balance of `_addr` account. More...

h256	storageRoot (Address const &_contract) const
	Get the root of the storage of an account. More...

u256	storage (Address const &_contract, u256 const &_memory) const
	Get the value of a storage position of an account. More...

void	setStorage (Address const &_contract, u256 const &_location, u256 const &_value)
	Set the value of a storage position of an account. More...

void	createContract (Address const &_address)
	Create a contract at the given address (with unset code and unchanged balance). More...

void	setNewCode (Address const &_address, bytes &&_code)
	Sets the code of the account. Must only be called during / after contract creation. More...

std::map< h256, std::pair< u256, u256 > >	storage (Address const &_contract) const
	Get the storage of an account. More...

bytes const &	code (Address const &_addr) const
	Get the code of an account. More...

h256	codeHash (Address const &_contract) const
	Get the code hash of an account. More...

size_t	codeSize (Address const &_contract) const
	Get the byte-size of the code of an account. More...

void	incNonce (Address const &_id)
	Increament the account nonce. More...

u256	getNonce (Address const &_addr) const
	Get the account nonce – the number of transactions it has sent. More...

h256	rootHash () const
	The hash of the root of our state tree. More...

void	commit (CommitBehaviour _commitBehaviour)
	Commit all changes waiting in the address cache to the DB. More...

void	setRoot (h256 const &_root)
	Resets any uncommitted changes to the cache. More...

u256 const &	accountStartNonce () const
	Get the account start nonce. May be required. More...

u256 const &	requireAccountStartNonce () const

void	noteAccountStartNonce (u256 const &_actual)

size_t	savepoint () const
	Create a savepoint in the state changelog. More...

void	rollback (size_t _savepoint)
	Revert all recent changes up to the given `_savepoint` savepoint. More...

virtual	~State ()

Public Attributes
friend	CondensingTX

Private Member Functions
void	transferBalance (dev::Address const &_from, dev::Address const &_to, dev::u256 const &_value)
	Transfers "the balance _value between two accounts. More...

Vin const *	vin (dev::Address const &_a) const

Vin *	vin (dev::Address const &_addr)

void	kill (dev::Address _addr)
	Delete an account (used for processing suicides). More...

void	addBalance (dev::Address const &_id, dev::u256 const &_amount)
	Add some amount to balance. More...

dev::Address	createFascAddress (dev::h256 hashTx, uint32_t voutNumber)

void	deleteAccounts (std::set< dev::Address > &addrs)

void	updateUTXO (const std::unordered_map< dev::Address, Vin > &vins)

void	printfErrorLog (const dev::eth::TransactionException er)

Private Attributes
dev::Address	newAddress

std::vector< TransferInfo >	transfers

dev::OverlayDB	dbUTXO

dev::eth::SecureTrieDB< dev::Address, dev::OverlayDB >	stateUTXO

std::unordered_map< dev::Address, Vin >	cacheUTXO

Additional Inherited Members
Public Types inherited from dev::eth::State
enum	CommitBehaviour { CommitBehaviour::KeepEmptyAccounts, CommitBehaviour::RemoveEmptyAccounts }

enum	NullType { Null }

Static Public Member Functions inherited from dev::eth::State
static OverlayDB	openDB (std::string const &_path, h256 const &_genesisHash, WithExisting _we=WithExisting::Trust)
	Open a DB - useful for passing into the constructor & keeping for other states that are necessary. More...

Protected Member Functions inherited from dev::eth::State
void	removeEmptyAccounts ()
	Turns all "touched" empty accounts into non-alive accounts. More...

Account const *	account (Address const &_addr) const

Account *	account (Address const &_addr)

void	clearCacheIfTooLarge () const
	Purges non-modified entries in m_cache if it grows too large. More...

void	createAccount (Address const &_address, Account const &&_account)

Protected Attributes inherited from dev::eth::State
OverlayDB	m_db
	Our overlay for the state tree. More...

SecureTrieDB< Address, OverlayDB >	m_state
	Our state tree, as an OverlayDB DB. More...

std::unordered_map< Address, Account >	m_cache
	Our address cache. This stores the states of each address that has (or at least might have) been changed. More...

std::vector< Address >	m_unchangedCacheEntries
	Tracks entries in m_cache that can potentially be purged if it grows too large. More...

std::set< Address >	m_nonExistingAccountsCache
	Tracks addresses that are known to not exist. More...

AddressHash	m_touched
	Tracks all addresses touched so far. More...

u256	m_accountStartNonce

std::vector< detail::Change >	m_changeLog

Detailed Description

Definition at line 59 of file fascstate.h.

Constructor & Destructor Documentation

FascState::FascState ( )

Definition at line 17 of file fascstate.cpp.

FascState::FascState	(	dev::u256 const &	_accountStartNonce,
		dev::OverlayDB const &	_db,
		const std::string &	_path,
		dev::eth::BaseState	_bs = `dev::eth::BaseState::PreExisting`
	)

virtual FascState::~FascState ( )

inlinevirtual

Definition at line 92 of file fascstate.h.

Member Function Documentation

void FascState::addBalance	(	dev::Address const &	_id,
		dev::u256 const &	_amount
	)

privatevirtual

Add some amount to balance.

Will initialise the address if it has never been used.

Reimplemented from dev::eth::State.

Definition at line 198 of file fascstate.cpp.

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dev::Address FascState::createFascAddress	(	dev::h256	hashTx,
		uint32_t	voutNumber
	)

private

Definition at line 229 of file fascstate.cpp.

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dev::OverlayDB const& FascState::dbUtxo ( ) const

inline

Definition at line 84 of file fascstate.h.

dev::OverlayDB& FascState::dbUtxo ( )

inline

Definition at line 88 of file fascstate.h.

void FascState::deleteAccounts ( std::set< dev::Address > & addrs )

private

Definition at line 246 of file fascstate.cpp.

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ResultExecute FascState::execute	(	dev::eth::EnvInfo const &	_envInfo,
		dev::eth::SealEngineFace const &	_sealEngine,
		FascTransaction const &	_t,
		dev::eth::Permanence	_p = `dev::eth::Permanence::Committed`,
		dev::eth::OnOpFunc const &	_onOp = `OnOpFunc()`
	)

Definition at line 22 of file fascstate.cpp.

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void FascState::kill ( dev::Address _a )

privatevirtual

Delete an account (used for processing suicides).

Reimplemented from dev::eth::State.

Definition at line 189 of file fascstate.cpp.

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void FascState::printfErrorLog ( const dev::eth::TransactionException er )

private

Definition at line 272 of file fascstate.cpp.

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dev::h256 FascState::rootHashUTXO ( ) const

inline

Definition at line 78 of file fascstate.h.

void FascState::setCacheUTXO	(	dev::Address const &	address,
		Vin const &	vin
	)

inline

Definition at line 74 of file fascstate.h.

void FascState::setRootUTXO ( dev::h256 const & _r )

inline

Definition at line 69 of file fascstate.h.

void FascState::transferBalance	(	dev::Address const &	_from,
		dev::Address const &	_to,
		dev::u256 const &	_value
	)

privatevirtual

Transfers "the balance _value between two accounts.

Parameters

_from	Account from which _value will be deducted.
_to	Account to which _value will be added.
_value	Amount to be transferred.

Reimplemented from dev::eth::State.

Definition at line 144 of file fascstate.cpp.

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void FascState::updateUTXO ( const std::unordered_map< dev::Address, Vin > & vins )

private

Definition at line 257 of file fascstate.cpp.

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Vin const * FascState::vin ( dev::Address const & _a ) const

private

Definition at line 151 of file fascstate.cpp.

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Vin * FascState::vin ( dev::Address const & _addr )

private

Definition at line 156 of file fascstate.cpp.

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std::unordered_map< dev::Address, Vin > FascState::vins ( ) const

Definition at line 130 of file fascstate.cpp.

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Member Data Documentation

std::unordered_map<dev::Address, Vin> FascState::cacheUTXO

private

Definition at line 126 of file fascstate.h.

friend FascState::CondensingTX

Definition at line 94 of file fascstate.h.

dev::OverlayDB FascState::dbUTXO

private

Definition at line 122 of file fascstate.h.

dev::Address FascState::newAddress

private

Definition at line 118 of file fascstate.h.

dev::eth::SecureTrieDB<dev::Address, dev::OverlayDB> FascState::stateUTXO

private

Definition at line 124 of file fascstate.h.

std::vector<TransferInfo> FascState::transfers

private

Definition at line 120 of file fascstate.h.

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

src/fasc/fascstate.h
src/fasc/fascstate.cpp

Public Member Functions

Public Attributes

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation