ARCHIVE/rippled
1
0
Fork 0
mirror of https://github.com/XRPLF/rippled.git synced 2025-12-06 17:27:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

Convert STAmount switchovers to tls (RIPD-1068)

Browse Source
This commit is contained in:
Miguel Portilla
2016-01-08 15:00:55 -05:00
committed by Edward Hennis
parent 4fb6bf3e67
commit 14dde47173
17 changed files with 93 additions and 142 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
src/ripple/protocol/STAmount.h
View File

@@ -21,6 +21,7 @@
#define RIPPLE_PROTOCOL_STAMOUNT_H_INCLUDED
#include <ripple/basics/chrono.h>
#include <ripple/basics/LocalValue.h>
#include <ripple/protocol/SField.h>
#include <ripple/protocol/Serializer.h>
#include <ripple/protocol/STBase.h>
@@ -378,32 +379,14 @@ divide (STAmount const& v1, STAmount const& v2, Issue const& issue);
STAmount
multiply (STAmount const& v1, STAmount const& v2, Issue const& issue);
/** Control when bugfixes that require switchover dates are enabled */
class STAmountCalcSwitchovers
{
bool enableUnderflowFix_ {false};
public:
STAmountCalcSwitchovers () = delete;
explicit
STAmountCalcSwitchovers (NetClock::time_point parentCloseTime);
explicit
STAmountCalcSwitchovers (bool enableAll)
: enableUnderflowFix_ (enableAll) {}
bool enableUnderflowFix () const;
// for tests
static NetClock::time_point enableUnderflowFixCloseTime ();
};
// multiply, or divide rounding result in specified direction
STAmount
mulRound (STAmount const& v1, STAmount const& v2,
Issue const& issue, bool roundUp,
STAmountCalcSwitchovers const& switchovers);
Issue const& issue, bool roundUp);
STAmount
divRound (STAmount const& v1, STAmount const& v2,
Issue const& issue, bool roundUp,
STAmountCalcSwitchovers const& switchovers);
Issue const& issue, bool roundUp);
// Someone is offering X for Y, what is the rate?
// Rate: smaller is better, the taker wants the most out: in/out
@@ -418,6 +401,30 @@ inline bool isXRP(STAmount const& amount)
return isXRP (amount.issue().currency);
}
extern LocalValue<bool> stAmountCalcSwitchover;
/** RAII class to set and restore the STAmount calc switchover.*/
class STAmountSO
{
public:
explicit STAmountSO(NetClock::time_point const closeTime)
: saved_(*stAmountCalcSwitchover)
{
*stAmountCalcSwitchover = closeTime <= soTime;
}
~STAmountSO()
{
*stAmountCalcSwitchover = saved_;
}
// Mon Dec 28, 2015 10:00:00am PST
static NetClock::time_point const soTime;
private:
bool saved_;
};
} // ripple
#endif