xrpl::TransfersNotFrozen Class Reference

Invariant: frozen trust line balance change is not allowed. More...

#include <FreezeInvariant.h>

Collaboration diagram for xrpl::TransfersNotFrozen:

Classes
struct	BalanceChange
struct	IssuerChanges

Public Member Functions
void	visitEntry (bool, std::shared_ptr< SLE const > const &, std::shared_ptr< SLE const > const &)
bool	finalize (STTx const &, TER const, XRPAmount const, ReadView const &, beast::Journal const &)

Private Types
using	ByIssuer = std::map< Issue, IssuerChanges >

Private Member Functions
bool	isValidEntry (std::shared_ptr< SLE const > const &before, std::shared_ptr< SLE const > const &after)
void	recordBalance (Issue const &issue, BalanceChange change)
void	recordBalanceChanges (std::shared_ptr< SLE const > const &after, STAmount const &balanceChange)
std::shared_ptr< SLE const >	findIssuer (AccountID const &issuerID, ReadView const &view)

Static Private Member Functions
static STAmount	calculateBalanceChange (std::shared_ptr< SLE const > const &before, std::shared_ptr< SLE const > const &after, bool isDelete)
static bool	validateIssuerChanges (std::shared_ptr< SLE const > const &issuer, IssuerChanges const &changes, STTx const &tx, beast::Journal const &j, bool enforce)
static bool	validateFrozenState (BalanceChange const &change, bool high, STTx const &tx, beast::Journal const &j, bool enforce, bool globalFreeze)

Private Attributes
ByIssuer	balanceChanges_
std::map< AccountID, std::shared_ptr< SLE const > const >	possibleIssuers_

Detailed Description

Invariant: frozen trust line balance change is not allowed.

We iterate all affected trust lines and ensure that they don't have unexpected change of balance if they're frozen.

Definition at line 21 of file FreezeInvariant.h.

Member Typedef Documentation

ByIssuer

using xrpl::TransfersNotFrozen::ByIssuer = std::map<Issue, IssuerChanges>

private

Definition at line 35 of file FreezeInvariant.h.

Member Function Documentation

visitEntry()

void xrpl::TransfersNotFrozen::visitEntry	(	bool	isDelete,
		std::shared_ptr< SLE const > const &	before,
		std::shared_ptr< SLE const > const &	after
	)

Definition at line 12 of file FreezeInvariant.cpp.

finalize()

bool xrpl::TransfersNotFrozen::finalize	(	STTx const &	tx,
		TER const	ter,
		XRPAmount const	fee,
		ReadView const &	view,
		beast::Journal const &	j
	)

Definition at line 42 of file FreezeInvariant.cpp.

isValidEntry()

bool xrpl::TransfersNotFrozen::isValidEntry ( std::shared_ptr< SLE const > const &  before, std::shared_ptr< SLE const > const &  after  )

private

Definition at line 97 of file FreezeInvariant.cpp.

calculateBalanceChange()

STAmount xrpl::TransfersNotFrozen::calculateBalanceChange ( std::shared_ptr< SLE const > const &  before, std::shared_ptr< SLE const > const &  after, bool  isDelete  )

staticprivate

Definition at line 124 of file FreezeInvariant.cpp.

recordBalance()

void xrpl::TransfersNotFrozen::recordBalance ( Issue const &  issue, BalanceChange  change  )

private

Definition at line 152 of file FreezeInvariant.cpp.

recordBalanceChanges()

void xrpl::TransfersNotFrozen::recordBalanceChanges ( std::shared_ptr< SLE const > const &  after, STAmount const &  balanceChange  )

private

Definition at line 170 of file FreezeInvariant.cpp.

findIssuer()

std::shared_ptr< SLE const > xrpl::TransfersNotFrozen::findIssuer ( AccountID const &  issuerID, ReadView const &  view  )

private

Definition at line 185 of file FreezeInvariant.cpp.

validateIssuerChanges()

bool xrpl::TransfersNotFrozen::validateIssuerChanges ( std::shared_ptr< SLE const > const &  issuer, IssuerChanges const &  changes, STTx const &  tx, beast::Journal const &  j, bool  enforce  )

staticprivate

Definition at line 196 of file FreezeInvariant.cpp.

validateFrozenState()

bool xrpl::TransfersNotFrozen::validateFrozenState ( BalanceChange const &  change, bool  high, STTx const &  tx, beast::Journal const &  j, bool  enforce, bool  globalFreeze  )

staticprivate

Definition at line 237 of file FreezeInvariant.cpp.

Member Data Documentation

balanceChanges_

ByIssuer xrpl::TransfersNotFrozen::balanceChanges_

private

Definition at line 36 of file FreezeInvariant.h.

possibleIssuers_

std::map<AccountID, std::shared_ptr<SLE const> const> xrpl::TransfersNotFrozen::possibleIssuers_

private

Definition at line 38 of file FreezeInvariant.h.