mirror of
https://github.com/Xahau/xahaud.git
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155fcdbcd0
Conflicts: src/ripple/app/TODO.md src/ripple/app/ledger/Ledger.h src/ripple/protocol/Protocol.h
387 lines
19 KiB
C++
387 lines
19 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/SField.h>
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#include <map>
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#include <memory>
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#include <string>
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#include <utility>
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namespace ripple {
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// These must stay at the top of this file, and in this order
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// Files-cope statics are preferred here because the SFields must be
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// file-scope. The following 3 objects must have scope prior to
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// the file-scope SFields.
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static std::mutex SField_mutex;
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static std::map<int, SField const*> knownCodeToField;
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static std::map<int, std::unique_ptr<SField const>> unknownCodeToField;
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// Storage for static const member.
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SField::IsSigning const SField::notSigning;
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int SField::num = 0;
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using StaticScopedLockType = std::lock_guard <std::mutex>;
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// Give this translation unit only, permission to construct SFields
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struct SField::make
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{
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template <class ...Args>
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static SField one(SField const* p, Args&& ...args)
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{
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SField result(std::forward<Args>(args)...);
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knownCodeToField[result.fieldCode] = p;
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return result;
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}
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template <class T, class ...Args>
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static TypedField<T> one(SField const* p, Args&& ...args)
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{
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TypedField<T> result(std::forward<Args>(args)...);
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knownCodeToField[result.fieldCode] = p;
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return result;
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}
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};
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using make = SField::make;
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// Construct all compile-time SFields, and register them in the knownCodeToField
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// database:
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SField const sfInvalid = make::one(&sfInvalid, -1);
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SField const sfGeneric = make::one(&sfGeneric, 0);
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SField const sfLedgerEntry = make::one(&sfLedgerEntry, STI_LEDGERENTRY, 257, "LedgerEntry");
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SField const sfTransaction = make::one(&sfTransaction, STI_TRANSACTION, 257, "Transaction");
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SField const sfValidation = make::one(&sfValidation, STI_VALIDATION, 257, "Validation");
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SField const sfMetadata = make::one(&sfMetadata, STI_METADATA, 257, "Metadata");
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SField const sfHash = make::one(&sfHash, STI_HASH256, 257, "hash");
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SField const sfIndex = make::one(&sfIndex, STI_HASH256, 258, "index");
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// 8-bit integers
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SField const sfCloseResolution = make::one(&sfCloseResolution, STI_UINT8, 1, "CloseResolution");
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SField const sfTemplateEntryType = make::one(&sfTemplateEntryType, STI_UINT8, 2, "TemplateEntryType");
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SField const sfTransactionResult = make::one(&sfTransactionResult, STI_UINT8, 3, "TransactionResult");
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// 16-bit integers
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SField const sfLedgerEntryType = make::one(&sfLedgerEntryType, STI_UINT16, 1, "LedgerEntryType", SField::sMD_Never);
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SField const sfTransactionType = make::one(&sfTransactionType, STI_UINT16, 2, "TransactionType");
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SField const sfSignerWeight = make::one(&sfSignerWeight, STI_UINT16, 3, "SignerWeight");
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// 32-bit integers (common)
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SField const sfFlags = make::one(&sfFlags, STI_UINT32, 2, "Flags");
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SField const sfSourceTag = make::one(&sfSourceTag, STI_UINT32, 3, "SourceTag");
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TypedField<STInteger<std::uint32_t>> const sfSequence = make::one<STInteger<std::uint32_t>>(&sfSequence, STI_UINT32, 4, "Sequence");
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SField const sfPreviousTxnLgrSeq = make::one(&sfPreviousTxnLgrSeq, STI_UINT32, 5, "PreviousTxnLgrSeq", SField::sMD_DeleteFinal);
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SField const sfLedgerSequence = make::one(&sfLedgerSequence, STI_UINT32, 6, "LedgerSequence");
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SField const sfCloseTime = make::one(&sfCloseTime, STI_UINT32, 7, "CloseTime");
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SField const sfParentCloseTime = make::one(&sfParentCloseTime, STI_UINT32, 8, "ParentCloseTime");
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SField const sfSigningTime = make::one(&sfSigningTime, STI_UINT32, 9, "SigningTime");
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SField const sfExpiration = make::one(&sfExpiration, STI_UINT32, 10, "Expiration");
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SField const sfTransferRate = make::one(&sfTransferRate, STI_UINT32, 11, "TransferRate");
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SField const sfWalletSize = make::one(&sfWalletSize, STI_UINT32, 12, "WalletSize");
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SField const sfOwnerCount = make::one(&sfOwnerCount, STI_UINT32, 13, "OwnerCount");
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SField const sfDestinationTag = make::one(&sfDestinationTag, STI_UINT32, 14, "DestinationTag");
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// 32-bit integers (uncommon)
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SField const sfHighQualityIn = make::one(&sfHighQualityIn, STI_UINT32, 16, "HighQualityIn");
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SField const sfHighQualityOut = make::one(&sfHighQualityOut, STI_UINT32, 17, "HighQualityOut");
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SField const sfLowQualityIn = make::one(&sfLowQualityIn, STI_UINT32, 18, "LowQualityIn");
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SField const sfLowQualityOut = make::one(&sfLowQualityOut, STI_UINT32, 19, "LowQualityOut");
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SField const sfQualityIn = make::one(&sfQualityIn, STI_UINT32, 20, "QualityIn");
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SField const sfQualityOut = make::one(&sfQualityOut, STI_UINT32, 21, "QualityOut");
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SField const sfStampEscrow = make::one(&sfStampEscrow, STI_UINT32, 22, "StampEscrow");
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SField const sfBondAmount = make::one(&sfBondAmount, STI_UINT32, 23, "BondAmount");
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SField const sfLoadFee = make::one(&sfLoadFee, STI_UINT32, 24, "LoadFee");
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SField const sfOfferSequence = make::one(&sfOfferSequence, STI_UINT32, 25, "OfferSequence");
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SField const sfFirstLedgerSequence = make::one(&sfFirstLedgerSequence, STI_UINT32, 26, "FirstLedgerSequence"); // Deprecated: do not use
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SField const sfLastLedgerSequence = make::one(&sfLastLedgerSequence, STI_UINT32, 27, "LastLedgerSequence");
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SField const sfTransactionIndex = make::one(&sfTransactionIndex, STI_UINT32, 28, "TransactionIndex");
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SField const sfOperationLimit = make::one(&sfOperationLimit, STI_UINT32, 29, "OperationLimit");
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SField const sfReferenceFeeUnits = make::one(&sfReferenceFeeUnits, STI_UINT32, 30, "ReferenceFeeUnits");
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SField const sfReserveBase = make::one(&sfReserveBase, STI_UINT32, 31, "ReserveBase");
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SField const sfReserveIncrement = make::one(&sfReserveIncrement, STI_UINT32, 32, "ReserveIncrement");
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SField const sfSetFlag = make::one(&sfSetFlag, STI_UINT32, 33, "SetFlag");
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SField const sfClearFlag = make::one(&sfClearFlag, STI_UINT32, 34, "ClearFlag");
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SField const sfSignerQuorum = make::one(&sfSignerQuorum, STI_UINT32, 35, "SignerQuorum");
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// 64-bit integers
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SField const sfIndexNext = make::one(&sfIndexNext, STI_UINT64, 1, "IndexNext");
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SField const sfIndexPrevious = make::one(&sfIndexPrevious, STI_UINT64, 2, "IndexPrevious");
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SField const sfBookNode = make::one(&sfBookNode, STI_UINT64, 3, "BookNode");
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SField const sfOwnerNode = make::one(&sfOwnerNode, STI_UINT64, 4, "OwnerNode");
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SField const sfBaseFee = make::one(&sfBaseFee, STI_UINT64, 5, "BaseFee");
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SField const sfExchangeRate = make::one(&sfExchangeRate, STI_UINT64, 6, "ExchangeRate");
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SField const sfLowNode = make::one(&sfLowNode, STI_UINT64, 7, "LowNode");
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SField const sfHighNode = make::one(&sfHighNode, STI_UINT64, 8, "HighNode");
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// 128-bit
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SField const sfEmailHash = make::one(&sfEmailHash, STI_HASH128, 1, "EmailHash");
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// 256-bit (common)
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SField const sfLedgerHash = make::one(&sfLedgerHash, STI_HASH256, 1, "LedgerHash");
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SField const sfParentHash = make::one(&sfParentHash, STI_HASH256, 2, "ParentHash");
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SField const sfTransactionHash = make::one(&sfTransactionHash, STI_HASH256, 3, "TransactionHash");
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SField const sfAccountHash = make::one(&sfAccountHash, STI_HASH256, 4, "AccountHash");
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SField const sfPreviousTxnID = make::one(&sfPreviousTxnID, STI_HASH256, 5, "PreviousTxnID", SField::sMD_DeleteFinal);
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SField const sfLedgerIndex = make::one(&sfLedgerIndex, STI_HASH256, 6, "LedgerIndex");
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SField const sfWalletLocator = make::one(&sfWalletLocator, STI_HASH256, 7, "WalletLocator");
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SField const sfRootIndex = make::one(&sfRootIndex, STI_HASH256, 8, "RootIndex", SField::sMD_Always);
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SField const sfAccountTxnID = make::one(&sfAccountTxnID, STI_HASH256, 9, "AccountTxnID");
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// 256-bit (uncommon)
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SField const sfBookDirectory = make::one(&sfBookDirectory, STI_HASH256, 16, "BookDirectory");
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SField const sfInvoiceID = make::one(&sfInvoiceID, STI_HASH256, 17, "InvoiceID");
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SField const sfNickname = make::one(&sfNickname, STI_HASH256, 18, "Nickname");
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SField const sfAmendment = make::one(&sfAmendment, STI_HASH256, 19, "Amendment");
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SField const sfTicketID = make::one(&sfTicketID, STI_HASH256, 20, "TicketID");
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// 160-bit (common)
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SField const sfTakerPaysCurrency = make::one(&sfTakerPaysCurrency, STI_HASH160, 1, "TakerPaysCurrency");
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SField const sfTakerPaysIssuer = make::one(&sfTakerPaysIssuer, STI_HASH160, 2, "TakerPaysIssuer");
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SField const sfTakerGetsCurrency = make::one(&sfTakerGetsCurrency, STI_HASH160, 3, "TakerGetsCurrency");
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SField const sfTakerGetsIssuer = make::one(&sfTakerGetsIssuer, STI_HASH160, 4, "TakerGetsIssuer");
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// currency amount (common)
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SField const sfAmount = make::one(&sfAmount, STI_AMOUNT, 1, "Amount");
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SField const sfBalance = make::one(&sfBalance, STI_AMOUNT, 2, "Balance");
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SField const sfLimitAmount = make::one(&sfLimitAmount, STI_AMOUNT, 3, "LimitAmount");
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SField const sfTakerPays = make::one(&sfTakerPays, STI_AMOUNT, 4, "TakerPays");
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SField const sfTakerGets = make::one(&sfTakerGets, STI_AMOUNT, 5, "TakerGets");
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SField const sfLowLimit = make::one(&sfLowLimit, STI_AMOUNT, 6, "LowLimit");
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SField const sfHighLimit = make::one(&sfHighLimit, STI_AMOUNT, 7, "HighLimit");
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SField const sfFee = make::one(&sfFee, STI_AMOUNT, 8, "Fee");
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SField const sfSendMax = make::one(&sfSendMax, STI_AMOUNT, 9, "SendMax");
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// currency amount (uncommon)
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SField const sfMinimumOffer = make::one(&sfMinimumOffer, STI_AMOUNT, 16, "MinimumOffer");
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SField const sfRippleEscrow = make::one(&sfRippleEscrow, STI_AMOUNT, 17, "RippleEscrow");
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SField const sfDeliveredAmount = make::one(&sfDeliveredAmount, STI_AMOUNT, 18, "DeliveredAmount");
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// variable length (common)
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TypedField<STBlob> const sfPublicKey = make::one<STBlob>(&sfPublicKey, STI_VL, 1, "PublicKey");
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TypedField<STBlob> const sfSigningPubKey = make::one<STBlob>(&sfSigningPubKey, STI_VL, 3, "SigningPubKey");
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TypedField<STBlob> const sfSignature = make::one<STBlob>(&sfSignature, STI_VL, 6, "Signature", SField::sMD_Default, SField::notSigning);
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SField const sfMessageKey = make::one(&sfMessageKey, STI_VL, 2, "MessageKey");
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SField const sfTxnSignature = make::one(&sfTxnSignature, STI_VL, 4, "TxnSignature", SField::sMD_Default, SField::notSigning);
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SField const sfDomain = make::one(&sfDomain, STI_VL, 7, "Domain");
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SField const sfFundCode = make::one(&sfFundCode, STI_VL, 8, "FundCode");
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SField const sfRemoveCode = make::one(&sfRemoveCode, STI_VL, 9, "RemoveCode");
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SField const sfExpireCode = make::one(&sfExpireCode, STI_VL, 10, "ExpireCode");
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SField const sfCreateCode = make::one(&sfCreateCode, STI_VL, 11, "CreateCode");
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SField const sfMemoType = make::one(&sfMemoType, STI_VL, 12, "MemoType");
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SField const sfMemoData = make::one(&sfMemoData, STI_VL, 13, "MemoData");
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SField const sfMemoFormat = make::one(&sfMemoFormat, STI_VL, 14, "MemoFormat");
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// variable length (uncommon)
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SField const sfMultiSignature = make::one(&sfMultiSignature, STI_VL, 16, "MultiSignature");
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// account
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SField const sfAccount = make::one(&sfAccount, STI_ACCOUNT, 1, "Account");
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SField const sfOwner = make::one(&sfOwner, STI_ACCOUNT, 2, "Owner");
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SField const sfDestination = make::one(&sfDestination, STI_ACCOUNT, 3, "Destination");
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SField const sfIssuer = make::one(&sfIssuer, STI_ACCOUNT, 4, "Issuer");
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SField const sfTarget = make::one(&sfTarget, STI_ACCOUNT, 7, "Target");
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SField const sfRegularKey = make::one(&sfRegularKey, STI_ACCOUNT, 8, "RegularKey");
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// path set
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SField const sfPaths = make::one(&sfPaths, STI_PATHSET, 1, "Paths");
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// vector of 256-bit
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SField const sfIndexes = make::one(&sfIndexes, STI_VECTOR256, 1, "Indexes", SField::sMD_Never);
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SField const sfHashes = make::one(&sfHashes, STI_VECTOR256, 2, "Hashes");
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SField const sfAmendments = make::one(&sfAmendments, STI_VECTOR256, 3, "Amendments");
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// inner object
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// OBJECT/1 is reserved for end of object
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SField const sfTransactionMetaData = make::one(&sfTransactionMetaData, STI_OBJECT, 2, "TransactionMetaData");
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SField const sfCreatedNode = make::one(&sfCreatedNode, STI_OBJECT, 3, "CreatedNode");
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SField const sfDeletedNode = make::one(&sfDeletedNode, STI_OBJECT, 4, "DeletedNode");
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SField const sfModifiedNode = make::one(&sfModifiedNode, STI_OBJECT, 5, "ModifiedNode");
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SField const sfPreviousFields = make::one(&sfPreviousFields, STI_OBJECT, 6, "PreviousFields");
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SField const sfFinalFields = make::one(&sfFinalFields, STI_OBJECT, 7, "FinalFields");
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SField const sfNewFields = make::one(&sfNewFields, STI_OBJECT, 8, "NewFields");
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SField const sfTemplateEntry = make::one(&sfTemplateEntry, STI_OBJECT, 9, "TemplateEntry");
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SField const sfMemo = make::one(&sfMemo, STI_OBJECT, 10, "Memo");
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SField const sfSignerEntry = make::one(&sfSignerEntry, STI_OBJECT, 11, "SignerEntry");
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// inner object (uncommon)
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SField const sfSigningAccount = make::one(&sfSigningAccount, STI_OBJECT, 16, "SigningAccount");
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SField const sfSigningFor = make::one(&sfSigningFor, STI_OBJECT, 17, "SigningFor");
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// array of objects
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// ARRAY/1 is reserved for end of array
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SField const sfSigningAccounts = make::one(&sfSigningAccounts, STI_ARRAY, 2, "SigningAccounts");
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SField const sfMultiSigners = make::one(&sfMultiSigners, STI_ARRAY, 3, "MultiSigners", SField::sMD_Default, SField::notSigning);
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SField const sfSignerEntries = make::one(&sfSignerEntries, STI_ARRAY, 4, "SignerEntries");
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SField const sfTemplate = make::one(&sfTemplate, STI_ARRAY, 5, "Template");
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SField const sfNecessary = make::one(&sfNecessary, STI_ARRAY, 6, "Necessary");
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SField const sfSufficient = make::one(&sfSufficient, STI_ARRAY, 7, "Sufficient");
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SField const sfAffectedNodes = make::one(&sfAffectedNodes, STI_ARRAY, 8, "AffectedNodes");
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SField const sfMemos = make::one(&sfMemos, STI_ARRAY, 9, "Memos");
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SField::SField (SerializedTypeID tid, int fv, const char* fn,
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int meta, IsSigning signing)
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: fieldCode (field_code (tid, fv))
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, fieldType (tid)
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, fieldValue (fv)
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, fieldName (fn)
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, fieldMeta (meta)
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, fieldNum (++num)
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, signingField (signing)
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, rawJsonName (getName ())
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, jsonName (rawJsonName.c_str ())
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{
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}
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SField::SField (int fc)
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: fieldCode (fc)
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, fieldType (STI_UNKNOWN)
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, fieldValue (0)
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, fieldMeta (sMD_Never)
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, fieldNum (++num)
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, signingField (IsSigning::yes)
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, rawJsonName (getName ())
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, jsonName (rawJsonName.c_str ())
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{
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}
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// call with the map mutex to protect num.
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// This is naturally done with no extra expense
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// from getField(int code).
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SField::SField (SerializedTypeID tid, int fv)
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: fieldCode (field_code (tid, fv)), fieldType (tid), fieldValue (fv),
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fieldMeta (sMD_Default),
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fieldNum (++num),
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signingField (IsSigning::yes),
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jsonName (nullptr)
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{
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fieldName = std::to_string (tid) + '/' + std::to_string (fv);
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rawJsonName = getName ();
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jsonName = Json::StaticString (rawJsonName.c_str ());
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assert ((fv != 1) || ((tid != STI_ARRAY) && (tid != STI_OBJECT)));
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}
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SField const&
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SField::getField (int code)
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{
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auto it = knownCodeToField.find (code);
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if (it != knownCodeToField.end ())
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{
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// 99+% of the time, it will be a valid, known field
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return * (it->second);
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}
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int type = code >> 16;
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int field = code & 0xffff;
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// Don't dynamically extend types that have no binary encoding.
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if ((field > 255) || (code < 0))
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return sfInvalid;
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switch (type)
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{
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// Types we are willing to dynamically extend
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// types (common)
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case STI_UINT16:
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case STI_UINT32:
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case STI_UINT64:
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case STI_HASH128:
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case STI_HASH256:
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case STI_AMOUNT:
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case STI_VL:
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case STI_ACCOUNT:
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case STI_OBJECT:
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case STI_ARRAY:
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// types (uncommon)
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case STI_UINT8:
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case STI_HASH160:
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case STI_PATHSET:
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case STI_VECTOR256:
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break;
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default:
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return sfInvalid;
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}
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{
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// Lookup in the run-time data base, and create if it does not
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// yet exist.
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StaticScopedLockType sl (SField_mutex);
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auto it = unknownCodeToField.find (code);
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if (it != unknownCodeToField.end ())
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return * (it->second);
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return *(unknownCodeToField[code] = std::unique_ptr<SField const>(
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new SField(static_cast<SerializedTypeID>(type), field)));
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}
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}
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int SField::compare (SField const& f1, SField const& f2)
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{
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// -1 = f1 comes before f2, 0 = illegal combination, 1 = f1 comes after f2
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if ((f1.fieldCode <= 0) || (f2.fieldCode <= 0))
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return 0;
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if (f1.fieldCode < f2.fieldCode)
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return -1;
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if (f2.fieldCode < f1.fieldCode)
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return 1;
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return 0;
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}
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|
std::string SField::getName () const
|
|
{
|
|
if (!fieldName.empty ())
|
|
return fieldName;
|
|
|
|
if (fieldValue == 0)
|
|
return "";
|
|
|
|
return std::to_string(static_cast<int> (fieldType)) + "/" +
|
|
std::to_string(fieldValue);
|
|
}
|
|
|
|
SField const&
|
|
SField::getField (std::string const& fieldName)
|
|
{
|
|
for (auto const & fieldPair : knownCodeToField)
|
|
{
|
|
if (fieldPair.second->fieldName == fieldName)
|
|
return * (fieldPair.second);
|
|
}
|
|
{
|
|
StaticScopedLockType sl (SField_mutex);
|
|
|
|
for (auto const & fieldPair : unknownCodeToField)
|
|
{
|
|
if (fieldPair.second->fieldName == fieldName)
|
|
return * (fieldPair.second);
|
|
}
|
|
}
|
|
return sfInvalid;
|
|
}
|
|
|
|
} // ripple
|