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Work towards ripple.

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This commit is contained in:
Arthur Britto
2012-08-02 19:16:24 -07:00
parent db8775729f
commit 42bd29c212
3 changed files with 375 additions and 188 deletions
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71
src/TransactionEngine.h
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@@ -27,6 +27,7 @@ enum TransactionEngineResult
tenBAD_GEN_AUTH,
tenBAD_ISSUER,
tenBAD_OFFER,
tenBAD_PATH,
tenBAD_PATH_COUNT,
tenBAD_PUBLISH,
tenBAD_SET_ID,
@@ -100,24 +101,19 @@ enum TransactionEngineParams
};
typedef struct {
bool bPartialPayment; // -->
uint16 uFlags; // --> from path
uint160 uAccount; // --> recieving/sending account
uint160 uAccountID; // --> recieving/sending account
uint160 uCurrencyID; // --> currency to recieve
STAmount saSendMax; // --> First node: most to send.
STAmount saRecieve; // <-- Last node: Value received (minus fees) from upstream.
// Computed by Reverse.
STAmount saRevRedeem; // <-- Amount to redeem to next.
STAmount saRevIssue; // <-- Amount to issue to next limited by credit and outstanding IOUs.
// ? STAmount saSend; // <-- Stamps this node will send downstream.
STAmount saRevRedeem; // <-- Computed amount node needs at most redeem.
STAmount saRevIssue; // <-- Computed amount node ____
STAmount saCurRedeem; // <-- Amount node will redeem to next.
STAmount saCurIssue; // <-- Amount node will issue to next.
STAmount saWanted; // <-- What this node wants from upstream.
STAmount saSend; // <-- Stamps this node will send downstream.
STAmount saXNSRecieve; // Amount stamps to receive.
// Computed by forward.
STAmount saFwdRedeem; // <-- Amount node will redeem to next.
STAmount saFwdIssue; // <-- Amount node will issue to next.
} paymentNode;
// Hold a path state under incremental application.
@@ -132,8 +128,10 @@ public:
int mIndex;
uint64 uQuality; // 0 = none.
STAmount saIn;
STAmount saOut;
STAmount saInReq; // Max amount to spend by sender
STAmount saInAct; // Amount spent by sender (calc output)
STAmount saOutReq; // Amount to send (calc input)
STAmount saOutAct; // Amount actually sent (calc output).
bool bDirty; // Path not computed.
PathState(
@@ -204,39 +202,46 @@ private:
STAmount& saTakerGot);
protected:
Ledger::pointer mLedger;
uint64 mLedgerParentCloseTime;
Ledger::pointer mLedger;
uint64 mLedgerParentCloseTime;
uint160 mTxnAccountID;
SLE::pointer mTxnAccount;
uint160 mTxnAccountID;
SLE::pointer mTxnAccount;
boost::unordered_set<uint256> mUnfunded; // Indexes that were found unfunded.
SLE::pointer entryCreate(LedgerEntryType letType, const uint256& uIndex);
SLE::pointer entryCache(LedgerEntryType letType, const uint256& uIndex);
void entryDelete(SLE::pointer sleEntry, bool unfunded = false);
void entryModify(SLE::pointer sleEntry);
SLE::pointer entryCreate(LedgerEntryType letType, const uint256& uIndex);
SLE::pointer entryCache(LedgerEntryType letType, const uint256& uIndex);
void entryDelete(SLE::pointer sleEntry, bool unfunded = false);
void entryModify(SLE::pointer sleEntry);
void entryReset();
void entryReset();
STAmount rippleHolds(const uint160& uAccountID, const uint160& uCurrency, const uint160& uIssuerID);
STAmount rippleTransit(const uint160& uSenderID, const uint160& uReceiverID, const uint160& uIssuerID, const STAmount& saAmount);
STAmount rippleSend(const uint160& uSenderID, const uint160& uReceiverID, const STAmount& saAmount);
uint32 rippleTransfer(const uint160& uIssuerID);
STAmount rippleBalance(const uint160& uToAccountID, const uint160& uFromAccountID, const uint160& uCurrencyID);
STAmount rippleLimit(const uint160& uToAccountID, const uint160& uFromAccountID, const uint160& uCurrencyID);
uint32 rippleQualityIn(const uint160& uToAccountID, const uint160& uFromAccountID, const uint160& uCurrencyID);
uint32 rippleQualityOut(const uint160& uToAccountID, const uint160& uFromAccountID, const uint160& uCurrencyID);
STAmount accountHolds(const uint160& uAccountID, const uint160& uCurrency, const uint160& uIssuerID);
STAmount accountSend(const uint160& uSenderID, const uint160& uReceiverID, const STAmount& saAmount);
STAmount accountFunds(const uint160& uAccountID, const STAmount& saDefault);
STAmount rippleHolds(const uint160& uAccountID, const uint160& uCurrencyID, const uint160& uIssuerID);
STAmount rippleTransit(const uint160& uSenderID, const uint160& uReceiverID, const uint160& uIssuerID, const STAmount& saAmount);
void rippleCredit(const uint160& uSenderID, const uint160& uReceiverID, const STAmount& saAmount);
STAmount rippleSend(const uint160& uSenderID, const uint160& uReceiverID, const STAmount& saAmount);
STAmount accountHolds(const uint160& uAccountID, const uint160& uCurrencyID, const uint160& uIssuerID);
STAmount accountSend(const uint160& uSenderID, const uint160& uReceiverID, const STAmount& saAmount);
STAmount accountFunds(const uint160& uAccountID, const STAmount& saDefault);
PathState::pointer pathCreate(const STPath& spPath);
void pathApply(PathState::pointer pspCur);
void pathNext(PathState::pointer pspCur);
void calcNodeFwd(const uint32 uQualityIn, const uint32 uQualityOut,
void calcNodeRipple(const uint32 uQualityIn, const uint32 uQualityOut,
const STAmount& saPrvReq, const STAmount& saCurReq,
STAmount& saPrvAct, STAmount& saCurAct);
bool calcPathReverse(PathState::pointer pspCur);
void calcPathForward(PathState::pointer pspCur);
void txnWrite();
void txnWrite();
TransactionEngineResult offerDelete(const SLE::pointer& sleOffer, const uint256& uOfferIndex, const uint160& uOwnerID);