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SetAccount.cpp
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SetAccount.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/core/Config.h>
namespace ripple {
class SetAccount
: public Transactor
{
static int const DOMAIN_BYTES_MAX = 256;
static int const PUBLIC_BYTES_MAX = 33;
public:
SetAccount (
SerializedTransaction const& txn,
TransactionEngineParams params,
TransactionEngine* engine)
: Transactor (
txn,
params,
engine,
deprecatedLogs().journal("SetAccount"))
{
}
TER doApply () override
{
std::uint32_t const uTxFlags = mTxn.getFlags ();
std::uint32_t const uFlagsIn = mTxnAccount->getFieldU32 (sfFlags);
std::uint32_t uFlagsOut = uFlagsIn;
std::uint32_t const uSetFlag = mTxn.getFieldU32 (sfSetFlag);
std::uint32_t const uClearFlag = mTxn.getFieldU32 (sfClearFlag);
if ((uSetFlag != 0) && (uSetFlag == uClearFlag))
{
m_journal.trace << "Malformed transaction: Set and clear same flag";
return temINVALID_FLAG;
}
// legacy AccountSet flags
bool bSetRequireDest = (uTxFlags & TxFlag::requireDestTag) || (uSetFlag == asfRequireDest);
bool bClearRequireDest = (uTxFlags & tfOptionalDestTag) || (uClearFlag == asfRequireDest);
bool bSetRequireAuth = (uTxFlags & tfRequireAuth) || (uSetFlag == asfRequireAuth);
bool bClearRequireAuth = (uTxFlags & tfOptionalAuth) || (uClearFlag == asfRequireAuth);
bool bSetDisallowXRP = (uTxFlags & tfDisallowXRP) || (uSetFlag == asfDisallowXRP);
bool bClearDisallowXRP = (uTxFlags & tfAllowXRP) || (uClearFlag == asfDisallowXRP);
if (uTxFlags & tfAccountSetMask)
{
m_journal.trace << "Malformed transaction: Invalid flags set.";
return temINVALID_FLAG;
}
//
// RequireAuth
//
if (bSetRequireAuth && bClearRequireAuth)
{
m_journal.trace << "Malformed transaction: Contradictory flags set.";
return temINVALID_FLAG;
}
if (bSetRequireAuth && !(uFlagsIn & lsfRequireAuth))
{
if (!mEngine->view().dirIsEmpty (Ledger::getOwnerDirIndex (mTxnAccountID)))
{
m_journal.trace << "Retry: Owner directory not empty.";
return (mParams & tapRETRY) ? terOWNERS : tecOWNERS;
}
m_journal.trace << "Set RequireAuth.";
uFlagsOut |= lsfRequireAuth;
}
if (bClearRequireAuth && (uFlagsIn & lsfRequireAuth))
{
m_journal.trace << "Clear RequireAuth.";
uFlagsOut &= ~lsfRequireAuth;
}
//
// RequireDestTag
//
if (bSetRequireDest && bClearRequireDest)
{
m_journal.trace << "Malformed transaction: Contradictory flags set.";
return temINVALID_FLAG;
}
if (bSetRequireDest && !(uFlagsIn & lsfRequireDestTag))
{
m_journal.trace << "Set lsfRequireDestTag.";
uFlagsOut |= lsfRequireDestTag;
}
if (bClearRequireDest && (uFlagsIn & lsfRequireDestTag))
{
m_journal.trace << "Clear lsfRequireDestTag.";
uFlagsOut &= ~lsfRequireDestTag;
}
//
// DisallowXRP
//
if (bSetDisallowXRP && bClearDisallowXRP)
{
m_journal.trace << "Malformed transaction: Contradictory flags set.";
return temINVALID_FLAG;
}
if (bSetDisallowXRP && !(uFlagsIn & lsfDisallowXRP))
{
m_journal.trace << "Set lsfDisallowXRP.";
uFlagsOut |= lsfDisallowXRP;
}
if (bClearDisallowXRP && (uFlagsIn & lsfDisallowXRP))
{
m_journal.trace << "Clear lsfDisallowXRP.";
uFlagsOut &= ~lsfDisallowXRP;
}
//
// DisableMaster
//
if ((uSetFlag == asfDisableMaster) && (uClearFlag == asfDisableMaster))
{
m_journal.trace << "Malformed transaction: Contradictory flags set.";
return temINVALID_FLAG;
}
if ((uSetFlag == asfDisableMaster) && !(uFlagsIn & lsfDisableMaster))
{
if (!mTxnAccount->isFieldPresent (sfRegularKey))
return tecNO_REGULAR_KEY;
m_journal.trace << "Set lsfDisableMaster.";
uFlagsOut |= lsfDisableMaster;
}
if ((uClearFlag == asfDisableMaster) && (uFlagsIn & lsfDisableMaster))
{
m_journal.trace << "Clear lsfDisableMaster.";
uFlagsOut &= ~lsfDisableMaster;
}
if ((uSetFlag == asfNoFreeze) && (uClearFlag != asfNoFreeze))
{
m_journal.trace << "Set NoFreeze flag";
uFlagsOut |= lsfNoFreeze;
}
// Anyone may set global freeze
if ((uSetFlag == asfGlobalFreeze) && (uClearFlag != asfGlobalFreeze))
{
m_journal.trace << "Set GlobalFreeze flag";
uFlagsOut |= lsfGlobalFreeze;
}
// If you have set NoFreeze, you may not clear GlobalFreeze
// This prevents those who have set NoFreeze from using
// GlobalFreeze strategically.
if ((uSetFlag != asfGlobalFreeze) && (uClearFlag == asfGlobalFreeze) &&
((uFlagsOut & lsfNoFreeze) == 0))
{
m_journal.trace << "Clear GlobalFreeze flag";
uFlagsOut &= ~lsfGlobalFreeze;
}
//
// Track transaction IDs signed by this account in its root
//
if ((uSetFlag == asfAccountTxnID) && (uClearFlag != asfAccountTxnID) && !mTxnAccount->isFieldPresent (sfAccountTxnID))
{
m_journal.trace << "Set AccountTxnID";
mTxnAccount->makeFieldPresent (sfAccountTxnID);
}
if ((uClearFlag == asfAccountTxnID) && (uSetFlag != asfAccountTxnID) && mTxnAccount->isFieldPresent (sfAccountTxnID))
{
m_journal.trace << "Clear AccountTxnID";
mTxnAccount->makeFieldAbsent (sfAccountTxnID);
}
//
// EmailHash
//
if (mTxn.isFieldPresent (sfEmailHash))
{
uint128 uHash = mTxn.getFieldH128 (sfEmailHash);
if (!uHash)
{
m_journal.trace << "unset email hash";
mTxnAccount->makeFieldAbsent (sfEmailHash);
}
else
{
m_journal.trace << "set email hash";
mTxnAccount->setFieldH128 (sfEmailHash, uHash);
}
}
//
// WalletLocator
//
if (mTxn.isFieldPresent (sfWalletLocator))
{
uint256 uHash = mTxn.getFieldH256 (sfWalletLocator);
if (!uHash)
{
m_journal.trace << "unset wallet locator";
mTxnAccount->makeFieldAbsent (sfWalletLocator);
}
else
{
m_journal.trace << "set wallet locator";
mTxnAccount->setFieldH256 (sfWalletLocator, uHash);
}
}
//
// MessageKey
//
if (mTxn.isFieldPresent (sfMessageKey))
{
Blob vucPublic = mTxn.getFieldVL (sfMessageKey);
if (vucPublic.empty ())
{
m_journal.debug << "set message key";
mTxnAccount->makeFieldAbsent (sfMessageKey);
}
if (vucPublic.size () > PUBLIC_BYTES_MAX)
{
m_journal.trace << "message key too long";
return telBAD_PUBLIC_KEY;
}
else
{
m_journal.debug << "set message key";
mTxnAccount->setFieldVL (sfMessageKey, vucPublic);
}
}
//
// Domain
//
if (mTxn.isFieldPresent (sfDomain))
{
Blob vucDomain = mTxn.getFieldVL (sfDomain);
if (vucDomain.empty ())
{
m_journal.trace << "unset domain";
mTxnAccount->makeFieldAbsent (sfDomain);
}
else if (vucDomain.size () > DOMAIN_BYTES_MAX)
{
m_journal.trace << "domain too long";
return telBAD_DOMAIN;
}
else
{
m_journal.trace << "set domain";
mTxnAccount->setFieldVL (sfDomain, vucDomain);
}
}
//
// TransferRate
//
if (mTxn.isFieldPresent (sfTransferRate))
{
std::uint32_t uRate = mTxn.getFieldU32 (sfTransferRate);
if (!uRate || uRate == QUALITY_ONE)
{
m_journal.trace << "unset transfer rate";
mTxnAccount->makeFieldAbsent (sfTransferRate);
}
else if (uRate > QUALITY_ONE)
{
m_journal.trace << "set transfer rate";
mTxnAccount->setFieldU32 (sfTransferRate, uRate);
}
else
{
m_journal.trace << "bad transfer rate";
return temBAD_TRANSFER_RATE;
}
}
if (uFlagsIn != uFlagsOut)
mTxnAccount->setFieldU32 (sfFlags, uFlagsOut);
return tesSUCCESS;
}
};
TER
transact_SetAccount (
SerializedTransaction const& txn,
TransactionEngineParams params,
TransactionEngine* engine)
{
return SetAccount(txn, params, engine).apply ();
}
}