Files
rippled/Transaction.cpp
2011-11-18 11:23:06 -08:00

65 lines
2.0 KiB
C++

#include "Transaction.h"
#include "Wallet.h"
#include "Account.h"
#include "BitcoinUtil.h"
using namespace std;
Transaction::Transaction() : mTransactionID(0), mAccountFrom(0), mAccountTo(0),
mAmount(0), mFromAccountSeq(0), mSourceLedger(0), mIdent(0),
mInLedger(0), mStatus(INVALID)
{
}
Transaction::Transaction(TransStatus status, LocalAccount& fromLocalAccount, Account& fromAccount,
uint32 fromSeq, const uint160& toAccount, uint64 amount, uint32 ident, uint32 ledger) :
mAccountTo(toAccount), mAmount(amount), mFromAccountSeq(fromSeq), mSourceLedger(ledger),
mIdent(ident), mInLedger(0), mStatus(NEW)
{
assert(fromAccount.GetAddress()==fromLocalAccount.mAddress);
assert(fromLocalAccount.mAmount>=amount);
assert((fromSeq+1)==fromLocalAccount.mSeqNum);
mAccountFrom=fromAccount.GetAddress();
sign(fromLocalAccount, fromAccount);
}
bool Transaction::sign(LocalAccount& fromLocalAccount, Account& fromAccount)
{
if( (mAmount==0) || (mSourceLedger==0) || (mAccountTo==0) )
return false;
if((mAccountFrom!=fromLocalAccount.mAddress)||(mAccountFrom!=fromAccount.GetAddress()))
return false;
Serializer::pointer signBuf(getRawUnsigned(fromAccount));
if(!signBuf->makeSignature(mSignature, fromLocalAccount.peekPrivKey()))
return false;
signBuf->addRaw(mSignature);
mTransactionID=signBuf->getSHA512Half();
}
bool Transaction::checkSign(Account& fromAccount) const
{
if(mAccountFrom!=fromAccount.GetAddress()) return false;
Serializer::pointer toSign(getRawUnsigned(fromAccount));
return toSign->checkSignature(mSignature, fromAccount.peekPubKey());
}
Serializer::pointer Transaction::getRawUnsigned(Account& fromAccount) const
{
Serializer::pointer ret(new Serializer(104));
ret->add32(0x54584e00u);
ret->addRaw(fromAccount.peekPubKey().GetPubKey());
ret->add64(mAmount);
ret->add32(mFromAccountSeq);
ret->add32(mInLedger);
ret->add32(mIdent);
return ret;
}
void Transaction::updateID(Account& fromAccount)
{
mTransactionID=getRawSigned(fromAccount)->getSHA512Half();
}