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22a375a5f4
Add an amendment to allow gateways to set a "tick size" for assets they issue. There are no changes unless the amendment is enabled (since the tick size option cannot be set). With the amendment enabled: AccountSet transactions may set a "TickSize" parameter. Legal values are 0 and 3-15 inclusive. Zero removes the setting. 3-15 allow that many decimal digits of precision in the pricing of offers for assets issued by this account. For asset pairs with XRP, the tick size imposed, if any, is the tick size of the issuer of the non-XRP asset. For asset pairs without XRP, the tick size imposed, if any, is the smaller of the two issuer's configured tick sizes. The tick size is imposed by rounding the offer quality down to nearest tick and recomputing the non-critical side of the offer. For a buy, the amount offered is rounded down. For a sell, the amount charged is rounded up. Gateways must enable a TickSize on their account for this feature to benefit them. The primary expected benefit is the elimination of bots fighting over the tip of the order book. This means: - Quicker price discovery as outpricing someone by a microscopic amount is made impossible. Currently bots can spend hours outbidding each other with no significant price movement. - A reduction in offer creation and cancellation spam. - More offers left on the books as priority means something when you can't outbid by a microscopic amount.
171 lines
17 KiB
C++
171 lines
17 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <BeastConfig.h>
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#include <ripple/protocol/TER.h>
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#include <unordered_map>
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#include <type_traits>
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namespace ripple {
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bool transResultInfo (TER code, std::string& token, std::string& text)
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{
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static
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std::unordered_map<
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std::underlying_type_t<TER>,
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std::pair<char const* const, char const* const>> const
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results
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{
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{ tecCLAIM, { "tecCLAIM", "Fee claimed. Sequence used. No action." } },
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{ tecDIR_FULL, { "tecDIR_FULL", "Can not add entry to full directory." } },
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{ tecFAILED_PROCESSING, { "tecFAILED_PROCESSING", "Failed to correctly process transaction." } },
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{ tecINSUF_RESERVE_LINE, { "tecINSUF_RESERVE_LINE", "Insufficient reserve to add trust line." } },
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{ tecINSUF_RESERVE_OFFER, { "tecINSUF_RESERVE_OFFER", "Insufficient reserve to create offer." } },
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{ tecNO_DST, { "tecNO_DST", "Destination does not exist. Send XRP to create it." } },
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{ tecNO_DST_INSUF_XRP, { "tecNO_DST_INSUF_XRP", "Destination does not exist. Too little XRP sent to create it." } },
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{ tecNO_LINE_INSUF_RESERVE, { "tecNO_LINE_INSUF_RESERVE", "No such line. Too little reserve to create it." } },
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{ tecNO_LINE_REDUNDANT, { "tecNO_LINE_REDUNDANT", "Can't set non-existent line to default." } },
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{ tecPATH_DRY, { "tecPATH_DRY", "Path could not send partial amount." } },
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{ tecPATH_PARTIAL, { "tecPATH_PARTIAL", "Path could not send full amount." } },
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{ tecNO_ALTERNATIVE_KEY, { "tecNO_ALTERNATIVE_KEY", "The operation would remove the ability to sign transactions with the account." } },
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{ tecNO_REGULAR_KEY, { "tecNO_REGULAR_KEY", "Regular key is not set." } },
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{ tecOVERSIZE, { "tecOVERSIZE", "Object exceeded serialization limits." } },
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{ tecUNFUNDED, { "tecUNFUNDED", "One of _ADD, _OFFER, or _SEND. Deprecated." } },
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{ tecUNFUNDED_ADD, { "tecUNFUNDED_ADD", "Insufficient XRP balance for WalletAdd." } },
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{ tecUNFUNDED_OFFER, { "tecUNFUNDED_OFFER", "Insufficient balance to fund created offer." } },
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{ tecUNFUNDED_PAYMENT, { "tecUNFUNDED_PAYMENT", "Insufficient XRP balance to send." } },
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{ tecOWNERS, { "tecOWNERS", "Non-zero owner count." } },
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{ tecNO_ISSUER, { "tecNO_ISSUER", "Issuer account does not exist." } },
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{ tecNO_AUTH, { "tecNO_AUTH", "Not authorized to hold asset." } },
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{ tecNO_LINE, { "tecNO_LINE", "No such line." } },
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{ tecINSUFF_FEE, { "tecINSUFF_FEE", "Insufficient balance to pay fee." } },
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{ tecFROZEN, { "tecFROZEN", "Asset is frozen." } },
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{ tecNO_TARGET, { "tecNO_TARGET", "Target account does not exist." } },
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{ tecNO_PERMISSION, { "tecNO_PERMISSION", "No permission to perform requested operation." } },
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{ tecNO_ENTRY, { "tecNO_ENTRY", "No matching entry found." } },
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{ tecINSUFFICIENT_RESERVE, { "tecINSUFFICIENT_RESERVE", "Insufficient reserve to complete requested operation." } },
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{ tecNEED_MASTER_KEY, { "tecNEED_MASTER_KEY", "The operation requires the use of the Master Key." } },
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{ tecDST_TAG_NEEDED, { "tecDST_TAG_NEEDED", "A destination tag is required." } },
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{ tecINTERNAL, { "tecINTERNAL", "An internal error has occurred during processing." } },
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{ tecCRYPTOCONDITION_ERROR, { "tecCRYPTOCONDITION_ERROR", "Malformed, invalid, or mismatched conditional or fulfillment." } },
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{ tefALREADY, { "tefALREADY", "The exact transaction was already in this ledger." } },
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{ tefBAD_ADD_AUTH, { "tefBAD_ADD_AUTH", "Not authorized to add account." } },
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{ tefBAD_AUTH, { "tefBAD_AUTH", "Transaction's public key is not authorized." } },
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{ tefBAD_LEDGER, { "tefBAD_LEDGER", "Ledger in unexpected state." } },
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{ tefBAD_QUORUM, { "tefBAD_QUORUM", "Signatures provided do not meet the quorum." } },
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{ tefBAD_SIGNATURE, { "tefBAD_SIGNATURE", "A signature is provided for a non-signer." } },
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{ tefCREATED, { "tefCREATED", "Can't add an already created account." } },
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{ tefEXCEPTION, { "tefEXCEPTION", "Unexpected program state." } },
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{ tefFAILURE, { "tefFAILURE", "Failed to apply." } },
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{ tefINTERNAL, { "tefINTERNAL", "Internal error." } },
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{ tefMASTER_DISABLED, { "tefMASTER_DISABLED", "Master key is disabled." } },
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{ tefMAX_LEDGER, { "tefMAX_LEDGER", "Ledger sequence too high." } },
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{ tefNO_AUTH_REQUIRED, { "tefNO_AUTH_REQUIRED", "Auth is not required." } },
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{ tefNOT_MULTI_SIGNING, { "tefNOT_MULTI_SIGNING", "Account has no appropriate list of multi-signers." } },
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{ tefPAST_SEQ, { "tefPAST_SEQ", "This sequence number has already past." } },
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{ tefWRONG_PRIOR, { "tefWRONG_PRIOR", "This previous transaction does not match." } },
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{ tefBAD_AUTH_MASTER, { "tefBAD_AUTH_MASTER", "Auth for unclaimed account needs correct master key." } },
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{ telLOCAL_ERROR, { "telLOCAL_ERROR", "Local failure." } },
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{ telBAD_DOMAIN, { "telBAD_DOMAIN", "Domain too long." } },
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{ telBAD_PATH_COUNT, { "telBAD_PATH_COUNT", "Malformed: Too many paths." } },
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{ telBAD_PUBLIC_KEY, { "telBAD_PUBLIC_KEY", "Public key too long." } },
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{ telFAILED_PROCESSING, { "telFAILED_PROCESSING", "Failed to correctly process transaction." } },
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{ telINSUF_FEE_P, { "telINSUF_FEE_P", "Fee insufficient." } },
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{ telNO_DST_PARTIAL, { "telNO_DST_PARTIAL", "Partial payment to create account not allowed." } },
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{ telCAN_NOT_QUEUE, { "telCAN_NOT_QUEUE", "Can not queue at this time." } },
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{ temMALFORMED, { "temMALFORMED", "Malformed transaction." } },
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{ temBAD_AMOUNT, { "temBAD_AMOUNT", "Can only send positive amounts." } },
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{ temBAD_CURRENCY, { "temBAD_CURRENCY", "Malformed: Bad currency." } },
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{ temBAD_EXPIRATION, { "temBAD_EXPIRATION", "Malformed: Bad expiration." } },
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{ temBAD_FEE, { "temBAD_FEE", "Invalid fee, negative or not XRP." } },
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{ temBAD_ISSUER, { "temBAD_ISSUER", "Malformed: Bad issuer." } },
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{ temBAD_LIMIT, { "temBAD_LIMIT", "Limits must be non-negative." } },
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{ temBAD_OFFER, { "temBAD_OFFER", "Malformed: Bad offer." } },
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{ temBAD_PATH, { "temBAD_PATH", "Malformed: Bad path." } },
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{ temBAD_PATH_LOOP, { "temBAD_PATH_LOOP", "Malformed: Loop in path." } },
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{ temBAD_QUORUM, { "temBAD_QUORUM", "Malformed: Quorum is unreachable." } },
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{ temBAD_SEND_XRP_LIMIT, { "temBAD_SEND_XRP_LIMIT", "Malformed: Limit quality is not allowed for XRP to XRP." } },
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{ temBAD_SEND_XRP_MAX, { "temBAD_SEND_XRP_MAX", "Malformed: Send max is not allowed for XRP to XRP." } },
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{ temBAD_SEND_XRP_NO_DIRECT, { "temBAD_SEND_XRP_NO_DIRECT","Malformed: No Ripple direct is not allowed for XRP to XRP." } },
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{ temBAD_SEND_XRP_PARTIAL, { "temBAD_SEND_XRP_PARTIAL", "Malformed: Partial payment is not allowed for XRP to XRP." } },
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{ temBAD_SEND_XRP_PATHS, { "temBAD_SEND_XRP_PATHS", "Malformed: Paths are not allowed for XRP to XRP." } },
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{ temBAD_SEQUENCE, { "temBAD_SEQUENCE", "Malformed: Sequence is not in the past." } },
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{ temBAD_SIGNATURE, { "temBAD_SIGNATURE", "Malformed: Bad signature." } },
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{ temBAD_SIGNER, { "temBAD_SIGNER", "Malformed: No signer may duplicate account or other signers." } },
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{ temBAD_SRC_ACCOUNT, { "temBAD_SRC_ACCOUNT", "Malformed: Bad source account." } },
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{ temBAD_TRANSFER_RATE, { "temBAD_TRANSFER_RATE", "Malformed: Transfer rate must be >= 1.0" } },
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{ temBAD_WEIGHT, { "temBAD_WEIGHT", "Malformed: Weight must be a positive value." } },
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{ temDST_IS_SRC, { "temDST_IS_SRC", "Destination may not be source." } },
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{ temDST_NEEDED, { "temDST_NEEDED", "Destination not specified." } },
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{ temINVALID, { "temINVALID", "The transaction is ill-formed." } },
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{ temINVALID_FLAG, { "temINVALID_FLAG", "The transaction has an invalid flag." } },
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{ temREDUNDANT, { "temREDUNDANT", "Sends same currency to self." } },
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{ temRIPPLE_EMPTY, { "temRIPPLE_EMPTY", "PathSet with no paths." } },
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{ temUNCERTAIN, { "temUNCERTAIN", "In process of determining result. Never returned." } },
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{ temUNKNOWN, { "temUNKNOWN", "The transaction requires logic that is not implemented yet." } },
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{ temDISABLED, { "temDISABLED", "The transaction requires logic that is currently disabled." } },
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{ temBAD_TICK_SIZE, { "temBAD_TICK_SIZE", "Malformed: Tick size out of range." } },
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{ terRETRY, { "terRETRY", "Retry transaction." } },
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{ terFUNDS_SPENT, { "terFUNDS_SPENT", "Can't set password, password set funds already spent." } },
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{ terINSUF_FEE_B, { "terINSUF_FEE_B", "Account balance can't pay fee." } },
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{ terLAST, { "terLAST", "Process last." } },
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{ terNO_RIPPLE, { "terNO_RIPPLE", "Path does not permit rippling." } },
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{ terNO_ACCOUNT, { "terNO_ACCOUNT", "The source account does not exist." } },
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{ terNO_AUTH, { "terNO_AUTH", "Not authorized to hold IOUs." } },
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{ terNO_LINE, { "terNO_LINE", "No such line." } },
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{ terPRE_SEQ, { "terPRE_SEQ", "Missing/inapplicable prior transaction." } },
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{ terOWNERS, { "terOWNERS", "Non-zero owner count." } },
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{ terQUEUED, { "terQUEUED", "Held until escalated fee drops." } },
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{ tesSUCCESS, { "tesSUCCESS", "The transaction was applied. Only final in a validated ledger." } },
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};
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auto const r = results.find (
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static_cast<std::underlying_type_t<TER>> (code));
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if (r == results.end())
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return false;
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token = r->second.first;
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text = r->second.second;
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return true;
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}
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std::string transToken (TER code)
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{
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std::string token;
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std::string text;
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return transResultInfo (code, token, text) ? token : "-";
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}
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std::string transHuman (TER code)
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{
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std::string token;
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std::string text;
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return transResultInfo (code, token, text) ? text : "-";
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}
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} // ripple
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