#ifndef RIPPLE_TER_H
#define RIPPLE_TER_H

// VFALCO TODO do not use auto-incrementing. Explicitly assign each
//              constant so there is no possibility of someone coming in
//              and screwing it up.
//
// VFALCO TODO consider renaming TER to TxErr or TxResult for clarity.
//
enum TER	// aka TransactionEngineResult
{
	// Note: Range is stable.  Exact numbers are currently unstable.  Use tokens.

	// -399 .. -300: L Local error (transaction fee inadequate, exceeds local limit)
	// Only valid during non-consensus processing.
	// Implications:
	// - Not forwarded
	// - No fee check
	telLOCAL_ERROR	= -399,
	telBAD_DOMAIN, // VFALCO TODO should read "telBAD_DOMAIN = -398," etc...
	telBAD_PATH_COUNT,
	telBAD_PUBLIC_KEY,
	telFAILED_PROCESSING,
	telINSUF_FEE_P,
	telNO_DST_PARTIAL,

	// -299 .. -200: M Malformed (bad signature)
	// Causes:
	// - Transaction corrupt.
	// Implications:
	// - Not applied
	// - Not forwarded
	// - Reject
	// - Can not succeed in any imagined ledger.
	temMALFORMED	= -299,
	temBAD_AMOUNT,
	temBAD_AUTH_MASTER,
	temBAD_CURRENCY,
	temBAD_FEE,
	temBAD_EXPIRATION,
	temBAD_ISSUER,
	temBAD_LIMIT,
	temBAD_OFFER,
	temBAD_PATH,
	temBAD_PATH_LOOP,
	temBAD_PUBLISH,
	temBAD_TRANSFER_RATE,
	temBAD_SEND_XRP_LIMIT,
	temBAD_SEND_XRP_MAX,
	temBAD_SEND_XRP_NO_DIRECT,
	temBAD_SEND_XRP_PARTIAL,
	temBAD_SEND_XRP_PATHS,
	temBAD_SIGNATURE,
	temBAD_SRC_ACCOUNT,
	temBAD_SEQUENCE,
	temDST_IS_SRC,
	temDST_NEEDED,
	temINVALID,
	temINVALID_FLAG,
	temREDUNDANT,
	temREDUNDANT_SEND_MAX,
	temRIPPLE_EMPTY,
	temUNCERTAIN,		// An intermediate result used internally, should never be returned.
	temUNKNOWN,

	// -199 .. -100: F Failure (sequence number previously used)
	// Causes:
	// - Transaction cannot succeed because of ledger state.
	// - Unexpected ledger state.
	// - C++ exception.
	// Implications:
	// - Not applied
	// - Not forwarded
	// - Could succeed in an imagined ledger.
	tefFAILURE		= -199,
	tefALREADY,
	tefBAD_ADD_AUTH,
	tefBAD_AUTH,
	tefBAD_CLAIM_ID,
	tefBAD_GEN_AUTH,
	tefBAD_LEDGER,
	tefCLAIMED,
	tefCREATED,
	tefDST_TAG_NEEDED,
	tefEXCEPTION,
	tefGEN_IN_USE,
	tefINTERNAL,
	tefNO_AUTH_REQUIRED,	// Can't set auth if auth is not required.
	tefPAST_SEQ,
	tefWRONG_PRIOR,

	// -99 .. -1: R Retry (sequence too high, no funds for txn fee, originating account non-existent)
	// Causes:
	// - Prior application of another, possibly non-existant, another transaction could allow this transaction to succeed.
	// Implications:
	// - Not applied
	// - Not forwarded
	// - Might succeed later
	// - Hold
	// - Makes hole in sequence which jams transactions.
	terRETRY		= -99,
	terFUNDS_SPENT,			// This is a free transaction, therefore don't burden network.
	terINSUF_FEE_B,			// Can't pay fee, therefore don't burden network.
	terNO_ACCOUNT,			// Can't pay fee, therefore don't burden network.
	terNO_AUTH,				// Not authorized to hold IOUs.
	terNO_LINE,				// Internal flag.
	terOWNERS,				// Can't succeed with non-zero owner count.
	terPRE_SEQ,				// Can't pay fee, no point in forwarding, therefore don't burden network.
	terLAST,				// Process after all other transactions

	// 0: S Success (success)
	// Causes:
	// - Success.
	// Implications:
	// - Applied
	// - Forwarded
	tesSUCCESS		= 0,

	// 100 .. 129 C Claim fee only (ripple transaction with no good paths, pay to non-existent account, no path)
	// Causes:
	// - Success, but does not achieve optimal result.
	// - Invalid transaction or no effect, but claim fee to use the sequence number.
	// Implications:
	// - Applied
	// - Forwarded
	// Only allowed as a return code of appliedTransaction when !tapRetry. Otherwise, treated as terRETRY.
	//
	// DO NOT CHANGE THESE NUMBERS: They appear in ledger meta data.
	tecCLAIM					= 100,
	tecPATH_PARTIAL				= 101,
	tecUNFUNDED_ADD				= 102,
	tecUNFUNDED_OFFER			= 103,
	tecUNFUNDED_PAYMENT			= 104,
	tecFAILED_PROCESSING		= 105,
	tecDIR_FULL					= 121,
	tecINSUF_RESERVE_LINE		= 122,
	tecINSUF_RESERVE_OFFER		= 123,
	tecNO_DST					= 124,
	tecNO_DST_INSUF_XRP			= 125,
	tecNO_LINE_INSUF_RESERVE	= 126,
	tecNO_LINE_REDUNDANT		= 127,
	tecPATH_DRY					= 128,
	tecUNFUNDED					= 129,	// Deprecated, old ambiguous unfunded.
};

// VFALCO TODO change these to normal functions.
#define isTelLocal(x)		((x) >= telLOCAL_ERROR && (x) < temMALFORMED)
#define isTemMalformed(x)	((x) >= temMALFORMED && (x) < tefFAILURE)
#define isTefFailure(x)		((x) >= tefFAILURE && (x) < terRETRY)
#define isTerRetry(x)		((x) >= terRETRY && (x) < tesSUCCESS)
#define isTesSuccess(x)		((x) == tesSUCCESS)
#define isTecClaim(x)		((x) >= tecCLAIM)

// VFALCO TODO group these into a shell class along with the defines above.
extern bool transResultInfo (TER terCode, std::string& strToken, std::string& strHuman);
extern std::string transToken (TER terCode);
extern std::string transHuman (TER terCode);

#endif
// vim:ts=4