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SField.cpp
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SField.cpp
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//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <ripple/protocol/SField.h>
#include <cassert>
#include <string>
#include <string_view>
#include <utility>
namespace ripple {
// Storage for static const members.
SField::IsSigning const SField::notSigning;
int SField::num = 0;
std::map<int, SField const*> SField::knownCodeToField;
// Give only this translation unit permission to construct SFields
struct SField::private_access_tag_t
{
explicit private_access_tag_t() = default;
};
static SField::private_access_tag_t access;
// Construct all compile-time SFields, and register them in the knownCodeToField
// database:
// Use macros for most SField construction to enforce naming conventions.
#pragma push_macro("CONSTRUCT_UNTYPED_SFIELD")
#undef CONSTRUCT_UNTYPED_SFIELD
// It would be possible to design the macros so that sfName and txtName would
// be constructed from a single macro parameter. We chose not to take that
// path because then you cannot grep for the exact SField name and find
// where it is constructed. These macros allow that grep to succeed.
#define CONSTRUCT_UNTYPED_SFIELD(sfName, txtName, stiSuffix, fieldValue, ...) \
SField const sfName( \
access, STI_##stiSuffix, fieldValue, txtName, ##__VA_ARGS__); \
static_assert( \
std::string_view(#sfName) == "sf" txtName, \
"Declaration of SField does not match its text name")
#pragma push_macro("CONSTRUCT_TYPED_SFIELD")
#undef CONSTRUCT_TYPED_SFIELD
#define CONSTRUCT_TYPED_SFIELD(sfName, txtName, stiSuffix, fieldValue, ...) \
SF_##stiSuffix const sfName( \
access, STI_##stiSuffix, fieldValue, txtName, ##__VA_ARGS__); \
static_assert( \
std::string_view(#sfName) == "sf" txtName, \
"Declaration of SField does not match its text name")
// clang-format off
// SFields which, for historical reasons, do not follow naming conventions.
SField const sfInvalid(access, -1);
SField const sfGeneric(access, 0);
SField const sfHash(access, STI_HASH256, 257, "hash");
SField const sfIndex(access, STI_HASH256, 258, "index");
// Untyped SFields
CONSTRUCT_UNTYPED_SFIELD(sfLedgerEntry, "LedgerEntry", LEDGERENTRY, 257);
CONSTRUCT_UNTYPED_SFIELD(sfTransaction, "Transaction", TRANSACTION, 257);
CONSTRUCT_UNTYPED_SFIELD(sfValidation, "Validation", VALIDATION, 257);
CONSTRUCT_UNTYPED_SFIELD(sfMetadata, "Metadata", METADATA, 257);
// 8-bit integers
CONSTRUCT_TYPED_SFIELD(sfCloseResolution, "CloseResolution", UINT8, 1);
CONSTRUCT_TYPED_SFIELD(sfMethod, "Method", UINT8, 2);
CONSTRUCT_TYPED_SFIELD(sfTransactionResult, "TransactionResult", UINT8, 3);
// 8-bit integers (uncommon)
CONSTRUCT_TYPED_SFIELD(sfTickSize, "TickSize", UINT8, 16);
CONSTRUCT_TYPED_SFIELD(sfUNLModifyDisabling, "UNLModifyDisabling", UINT8, 17);
// 16-bit integers
CONSTRUCT_TYPED_SFIELD(sfLedgerEntryType, "LedgerEntryType", UINT16, 1, SField::sMD_Never);
CONSTRUCT_TYPED_SFIELD(sfTransactionType, "TransactionType", UINT16, 2);
CONSTRUCT_TYPED_SFIELD(sfSignerWeight, "SignerWeight", UINT16, 3);
// 16-bit integers (uncommon)
CONSTRUCT_TYPED_SFIELD(sfVersion, "Version", UINT16, 16);
// 32-bit integers (common)
CONSTRUCT_TYPED_SFIELD(sfFlags, "Flags", UINT32, 2);
CONSTRUCT_TYPED_SFIELD(sfSourceTag, "SourceTag", UINT32, 3);
CONSTRUCT_TYPED_SFIELD(sfSequence, "Sequence", UINT32, 4);
CONSTRUCT_TYPED_SFIELD(sfPreviousTxnLgrSeq, "PreviousTxnLgrSeq", UINT32, 5, SField::sMD_DeleteFinal);
CONSTRUCT_TYPED_SFIELD(sfLedgerSequence, "LedgerSequence", UINT32, 6);
CONSTRUCT_TYPED_SFIELD(sfCloseTime, "CloseTime", UINT32, 7);
CONSTRUCT_TYPED_SFIELD(sfParentCloseTime, "ParentCloseTime", UINT32, 8);
CONSTRUCT_TYPED_SFIELD(sfSigningTime, "SigningTime", UINT32, 9);
CONSTRUCT_TYPED_SFIELD(sfExpiration, "Expiration", UINT32, 10);
CONSTRUCT_TYPED_SFIELD(sfTransferRate, "TransferRate", UINT32, 11);
CONSTRUCT_TYPED_SFIELD(sfWalletSize, "WalletSize", UINT32, 12);
CONSTRUCT_TYPED_SFIELD(sfOwnerCount, "OwnerCount", UINT32, 13);
CONSTRUCT_TYPED_SFIELD(sfDestinationTag, "DestinationTag", UINT32, 14);
// 32-bit integers (uncommon)
CONSTRUCT_TYPED_SFIELD(sfHighQualityIn, "HighQualityIn", UINT32, 16);
CONSTRUCT_TYPED_SFIELD(sfHighQualityOut, "HighQualityOut", UINT32, 17);
CONSTRUCT_TYPED_SFIELD(sfLowQualityIn, "LowQualityIn", UINT32, 18);
CONSTRUCT_TYPED_SFIELD(sfLowQualityOut, "LowQualityOut", UINT32, 19);
CONSTRUCT_TYPED_SFIELD(sfQualityIn, "QualityIn", UINT32, 20);
CONSTRUCT_TYPED_SFIELD(sfQualityOut, "QualityOut", UINT32, 21);
CONSTRUCT_TYPED_SFIELD(sfStampEscrow, "StampEscrow", UINT32, 22);
CONSTRUCT_TYPED_SFIELD(sfBondAmount, "BondAmount", UINT32, 23);
CONSTRUCT_TYPED_SFIELD(sfLoadFee, "LoadFee", UINT32, 24);
CONSTRUCT_TYPED_SFIELD(sfOfferSequence, "OfferSequence", UINT32, 25);
CONSTRUCT_TYPED_SFIELD(sfFirstLedgerSequence, "FirstLedgerSequence", UINT32, 26);
CONSTRUCT_TYPED_SFIELD(sfLastLedgerSequence, "LastLedgerSequence", UINT32, 27);
CONSTRUCT_TYPED_SFIELD(sfTransactionIndex, "TransactionIndex", UINT32, 28);
CONSTRUCT_TYPED_SFIELD(sfOperationLimit, "OperationLimit", UINT32, 29);
CONSTRUCT_TYPED_SFIELD(sfReferenceFeeUnits, "ReferenceFeeUnits", UINT32, 30);
CONSTRUCT_TYPED_SFIELD(sfReserveBase, "ReserveBase", UINT32, 31);
CONSTRUCT_TYPED_SFIELD(sfReserveIncrement, "ReserveIncrement", UINT32, 32);
CONSTRUCT_TYPED_SFIELD(sfSetFlag, "SetFlag", UINT32, 33);
CONSTRUCT_TYPED_SFIELD(sfClearFlag, "ClearFlag", UINT32, 34);
CONSTRUCT_TYPED_SFIELD(sfSignerQuorum, "SignerQuorum", UINT32, 35);
CONSTRUCT_TYPED_SFIELD(sfCancelAfter, "CancelAfter", UINT32, 36);
CONSTRUCT_TYPED_SFIELD(sfFinishAfter, "FinishAfter", UINT32, 37);
CONSTRUCT_TYPED_SFIELD(sfSignerListID, "SignerListID", UINT32, 38);
CONSTRUCT_TYPED_SFIELD(sfSettleDelay, "SettleDelay", UINT32, 39);
CONSTRUCT_TYPED_SFIELD(sfTicketCount, "TicketCount", UINT32, 40);
CONSTRUCT_TYPED_SFIELD(sfTicketSequence, "TicketSequence", UINT32, 41);
// 64-bit integers
CONSTRUCT_TYPED_SFIELD(sfIndexNext, "IndexNext", UINT64, 1);
CONSTRUCT_TYPED_SFIELD(sfIndexPrevious, "IndexPrevious", UINT64, 2);
CONSTRUCT_TYPED_SFIELD(sfBookNode, "BookNode", UINT64, 3);
CONSTRUCT_TYPED_SFIELD(sfOwnerNode, "OwnerNode", UINT64, 4);
CONSTRUCT_TYPED_SFIELD(sfBaseFee, "BaseFee", UINT64, 5);
CONSTRUCT_TYPED_SFIELD(sfExchangeRate, "ExchangeRate", UINT64, 6);
CONSTRUCT_TYPED_SFIELD(sfLowNode, "LowNode", UINT64, 7);
CONSTRUCT_TYPED_SFIELD(sfHighNode, "HighNode", UINT64, 8);
CONSTRUCT_TYPED_SFIELD(sfDestinationNode, "DestinationNode", UINT64, 9);
CONSTRUCT_TYPED_SFIELD(sfCookie, "Cookie", UINT64, 10);
CONSTRUCT_TYPED_SFIELD(sfServerVersion, "ServerVersion", UINT64, 11);
// 128-bit
CONSTRUCT_TYPED_SFIELD(sfEmailHash, "EmailHash", HASH128, 1);
// 160-bit (common)
CONSTRUCT_TYPED_SFIELD(sfTakerPaysCurrency, "TakerPaysCurrency", HASH160, 1);
CONSTRUCT_TYPED_SFIELD(sfTakerPaysIssuer, "TakerPaysIssuer", HASH160, 2);
CONSTRUCT_TYPED_SFIELD(sfTakerGetsCurrency, "TakerGetsCurrency", HASH160, 3);
CONSTRUCT_TYPED_SFIELD(sfTakerGetsIssuer, "TakerGetsIssuer", HASH160, 4);
// 256-bit (common)
CONSTRUCT_TYPED_SFIELD(sfLedgerHash, "LedgerHash", HASH256, 1);
CONSTRUCT_TYPED_SFIELD(sfParentHash, "ParentHash", HASH256, 2);
CONSTRUCT_TYPED_SFIELD(sfTransactionHash, "TransactionHash", HASH256, 3);
CONSTRUCT_TYPED_SFIELD(sfAccountHash, "AccountHash", HASH256, 4);
CONSTRUCT_TYPED_SFIELD(sfPreviousTxnID, "PreviousTxnID", HASH256, 5, SField::sMD_DeleteFinal);
CONSTRUCT_TYPED_SFIELD(sfLedgerIndex, "LedgerIndex", HASH256, 6);
CONSTRUCT_TYPED_SFIELD(sfWalletLocator, "WalletLocator", HASH256, 7);
CONSTRUCT_TYPED_SFIELD(sfRootIndex, "RootIndex", HASH256, 8, SField::sMD_Always);
CONSTRUCT_TYPED_SFIELD(sfAccountTxnID, "AccountTxnID", HASH256, 9);
// 256-bit (uncommon)
CONSTRUCT_TYPED_SFIELD(sfBookDirectory, "BookDirectory", HASH256, 16);
CONSTRUCT_TYPED_SFIELD(sfInvoiceID, "InvoiceID", HASH256, 17);
CONSTRUCT_TYPED_SFIELD(sfNickname, "Nickname", HASH256, 18);
CONSTRUCT_TYPED_SFIELD(sfAmendment, "Amendment", HASH256, 19);
// 20 is currently unused
CONSTRUCT_TYPED_SFIELD(sfDigest, "Digest", HASH256, 21);
CONSTRUCT_TYPED_SFIELD(sfChannel, "Channel", HASH256, 22);
CONSTRUCT_TYPED_SFIELD(sfConsensusHash, "ConsensusHash", HASH256, 23);
CONSTRUCT_TYPED_SFIELD(sfCheckID, "CheckID", HASH256, 24);
CONSTRUCT_TYPED_SFIELD(sfValidatedHash, "ValidatedHash", HASH256, 25);
// currency amount (common)
CONSTRUCT_TYPED_SFIELD(sfAmount, "Amount", AMOUNT, 1);
CONSTRUCT_TYPED_SFIELD(sfBalance, "Balance", AMOUNT, 2);
CONSTRUCT_TYPED_SFIELD(sfLimitAmount, "LimitAmount", AMOUNT, 3);
CONSTRUCT_TYPED_SFIELD(sfTakerPays, "TakerPays", AMOUNT, 4);
CONSTRUCT_TYPED_SFIELD(sfTakerGets, "TakerGets", AMOUNT, 5);
CONSTRUCT_TYPED_SFIELD(sfLowLimit, "LowLimit", AMOUNT, 6);
CONSTRUCT_TYPED_SFIELD(sfHighLimit, "HighLimit", AMOUNT, 7);
CONSTRUCT_TYPED_SFIELD(sfFee, "Fee", AMOUNT, 8);
CONSTRUCT_TYPED_SFIELD(sfSendMax, "SendMax", AMOUNT, 9);
CONSTRUCT_TYPED_SFIELD(sfDeliverMin, "DeliverMin", AMOUNT, 10);
// currency amount (uncommon)
CONSTRUCT_TYPED_SFIELD(sfMinimumOffer, "MinimumOffer", AMOUNT, 16);
CONSTRUCT_TYPED_SFIELD(sfRippleEscrow, "RippleEscrow", AMOUNT, 17);
CONSTRUCT_TYPED_SFIELD(sfDeliveredAmount, "DeliveredAmount", AMOUNT, 18);
// variable length (common)
CONSTRUCT_TYPED_SFIELD(sfPublicKey, "PublicKey", VL, 1);
CONSTRUCT_TYPED_SFIELD(sfMessageKey, "MessageKey", VL, 2);
CONSTRUCT_TYPED_SFIELD(sfSigningPubKey, "SigningPubKey", VL, 3);
CONSTRUCT_TYPED_SFIELD(sfTxnSignature, "TxnSignature", VL, 4, SField::sMD_Default, SField::notSigning);
// Was 5 used and then obsoleted?
CONSTRUCT_TYPED_SFIELD(sfSignature, "Signature", VL, 6, SField::sMD_Default, SField::notSigning);
CONSTRUCT_TYPED_SFIELD(sfDomain, "Domain", VL, 7);
CONSTRUCT_TYPED_SFIELD(sfFundCode, "FundCode", VL, 8);
CONSTRUCT_TYPED_SFIELD(sfRemoveCode, "RemoveCode", VL, 9);
CONSTRUCT_TYPED_SFIELD(sfExpireCode, "ExpireCode", VL, 10);
CONSTRUCT_TYPED_SFIELD(sfCreateCode, "CreateCode", VL, 11);
CONSTRUCT_TYPED_SFIELD(sfMemoType, "MemoType", VL, 12);
CONSTRUCT_TYPED_SFIELD(sfMemoData, "MemoData", VL, 13);
CONSTRUCT_TYPED_SFIELD(sfMemoFormat, "MemoFormat", VL, 14);
// variable length (uncommon)
CONSTRUCT_TYPED_SFIELD(sfFulfillment, "Fulfillment", VL, 16);
CONSTRUCT_TYPED_SFIELD(sfCondition, "Condition", VL, 17);
CONSTRUCT_TYPED_SFIELD(sfMasterSignature, "MasterSignature", VL, 18, SField::sMD_Default, SField::notSigning);
CONSTRUCT_TYPED_SFIELD(sfUNLModifyValidator, "UNLModifyValidator", VL, 19);
CONSTRUCT_TYPED_SFIELD(sfValidatorToDisable, "ValidatorToDisable", VL, 20);
CONSTRUCT_TYPED_SFIELD(sfValidatorToReEnable, "ValidatorToReEnable", VL, 21);
// account
CONSTRUCT_TYPED_SFIELD(sfAccount, "Account", ACCOUNT, 1);
CONSTRUCT_TYPED_SFIELD(sfOwner, "Owner", ACCOUNT, 2);
CONSTRUCT_TYPED_SFIELD(sfDestination, "Destination", ACCOUNT, 3);
CONSTRUCT_TYPED_SFIELD(sfIssuer, "Issuer", ACCOUNT, 4);
CONSTRUCT_TYPED_SFIELD(sfAuthorize, "Authorize", ACCOUNT, 5);
CONSTRUCT_TYPED_SFIELD(sfUnauthorize, "Unauthorize", ACCOUNT, 6);
// 7 is currently unused
CONSTRUCT_TYPED_SFIELD(sfRegularKey, "RegularKey", ACCOUNT, 8);
// vector of 256-bit
CONSTRUCT_TYPED_SFIELD(sfIndexes, "Indexes", VECTOR256, 1, SField::sMD_Never);
CONSTRUCT_TYPED_SFIELD(sfHashes, "Hashes", VECTOR256, 2);
CONSTRUCT_TYPED_SFIELD(sfAmendments, "Amendments", VECTOR256, 3);
// path set
CONSTRUCT_UNTYPED_SFIELD(sfPaths, "Paths", PATHSET, 1);
// inner object
// OBJECT/1 is reserved for end of object
CONSTRUCT_UNTYPED_SFIELD(sfTransactionMetaData, "TransactionMetaData", OBJECT, 2);
CONSTRUCT_UNTYPED_SFIELD(sfCreatedNode, "CreatedNode", OBJECT, 3);
CONSTRUCT_UNTYPED_SFIELD(sfDeletedNode, "DeletedNode", OBJECT, 4);
CONSTRUCT_UNTYPED_SFIELD(sfModifiedNode, "ModifiedNode", OBJECT, 5);
CONSTRUCT_UNTYPED_SFIELD(sfPreviousFields, "PreviousFields", OBJECT, 6);
CONSTRUCT_UNTYPED_SFIELD(sfFinalFields, "FinalFields", OBJECT, 7);
CONSTRUCT_UNTYPED_SFIELD(sfNewFields, "NewFields", OBJECT, 8);
CONSTRUCT_UNTYPED_SFIELD(sfTemplateEntry, "TemplateEntry", OBJECT, 9);
CONSTRUCT_UNTYPED_SFIELD(sfMemo, "Memo", OBJECT, 10);
CONSTRUCT_UNTYPED_SFIELD(sfSignerEntry, "SignerEntry", OBJECT, 11);
// inner object (uncommon)
CONSTRUCT_UNTYPED_SFIELD(sfSigner, "Signer", OBJECT, 16);
// 17 has not been used yet
CONSTRUCT_UNTYPED_SFIELD(sfMajority, "Majority", OBJECT, 18);
CONSTRUCT_UNTYPED_SFIELD(sfDisabledValidator, "DisabledValidator", OBJECT, 19);
// array of objects
// ARRAY/1 is reserved for end of array
// 2 has never been used
CONSTRUCT_UNTYPED_SFIELD(sfSigners, "Signers", ARRAY, 3, SField::sMD_Default, SField::notSigning);
CONSTRUCT_UNTYPED_SFIELD(sfSignerEntries, "SignerEntries", ARRAY, 4);
CONSTRUCT_UNTYPED_SFIELD(sfTemplate, "Template", ARRAY, 5);
CONSTRUCT_UNTYPED_SFIELD(sfNecessary, "Necessary", ARRAY, 6);
CONSTRUCT_UNTYPED_SFIELD(sfSufficient, "Sufficient", ARRAY, 7);
CONSTRUCT_UNTYPED_SFIELD(sfAffectedNodes, "AffectedNodes", ARRAY, 8);
CONSTRUCT_UNTYPED_SFIELD(sfMemos, "Memos", ARRAY, 9);
// array of objects (uncommon)
CONSTRUCT_UNTYPED_SFIELD(sfMajorities, "Majorities", ARRAY, 16);
CONSTRUCT_UNTYPED_SFIELD(sfDisabledValidators, "DisabledValidators", ARRAY, 17);
// clang-format on
#undef CONSTRUCT_TYPED_SFIELD
#undef CONSTRUCT_UNTYPED_SFIELD
#pragma pop_macro("CONSTRUCT_TYPED_SFIELD")
#pragma pop_macro("CONSTRUCT_UNTYPED_SFIELD")
SField::SField(
private_access_tag_t,
SerializedTypeID tid,
int fv,
const char* fn,
int meta,
IsSigning signing)
: fieldCode(field_code(tid, fv))
, fieldType(tid)
, fieldValue(fv)
, fieldName(fn)
, fieldMeta(meta)
, fieldNum(++num)
, signingField(signing)
, jsonName(fieldName.c_str())
{
knownCodeToField[fieldCode] = this;
}
SField::SField(private_access_tag_t, int fc)
: fieldCode(fc)
, fieldType(STI_UNKNOWN)
, fieldValue(0)
, fieldMeta(sMD_Never)
, fieldNum(++num)
, signingField(IsSigning::yes)
, jsonName(fieldName.c_str())
{
knownCodeToField[fieldCode] = this;
}
SField const&
SField::getField(int code)
{
auto it = knownCodeToField.find(code);
if (it != knownCodeToField.end())
{
return *(it->second);
}
return sfInvalid;
}
int
SField::compare(SField const& f1, SField const& f2)
{
// -1 = f1 comes before f2, 0 = illegal combination, 1 = f1 comes after f2
if ((f1.fieldCode <= 0) || (f2.fieldCode <= 0))
return 0;
if (f1.fieldCode < f2.fieldCode)
return -1;
if (f2.fieldCode < f1.fieldCode)
return 1;
return 0;
}
SField const&
SField::getField(std::string const& fieldName)
{
for (auto const& [_, f] : knownCodeToField)
{
(void)_;
if (f->fieldName == fieldName)
return *f;
}
return sfInvalid;
}
} // namespace ripple