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Clean up CMerkleTx::SetMerkleBranch.

Browse source 
The case SetMerkleBranch(NULL) was never actually used, and thus the
involved code (loading the block from disk) can be removed and the
implementation simplified.
This commit is contained in:
Daniel Kraft 2014-08-29 20:24:16 +02:00
parent 9f3d476779
commit 4b0deb3b2d
2 changed files with 19 additions and 33 deletions
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50
src/wallet.cpp
View file

@ -644,7 +644,7 @@ bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pbl
CWalletTx wtx(this,tx);
// Get merkle branch if transaction was found in a block
if (pblock)
wtx.SetMerkleBranch(pblock);
wtx.SetMerkleBranch(*pblock);
return AddToWallet(wtx);
}
}
@ -2195,48 +2195,34 @@ CWalletKey::CWalletKey(int64_t nExpires)
nTimeExpires = nExpires;
}
int CMerkleTx::SetMerkleBranch(const CBlock* pblock)
int CMerkleTx::SetMerkleBranch(const CBlock& block)
{
AssertLockHeld(cs_main);
CBlock blockTmp;
if (pblock == NULL) {
CCoins coins;
if (pcoinsTip->GetCoins(GetHash(), coins)) {
CBlockIndex *pindex = chainActive[coins.nHeight];
if (pindex) {
if (!ReadBlockFromDisk(blockTmp, pindex))
return 0;
pblock = &blockTmp;
}
}
// Update the tx's hashBlock
hashBlock = block.GetHash();
// Locate the transaction
for (nIndex = 0; nIndex < (int)block.vtx.size(); nIndex++)
if (block.vtx[nIndex] == *(CTransaction*)this)
break;
if (nIndex == (int)block.vtx.size())
{
vMerkleBranch.clear();
nIndex = -1;
LogPrintf("ERROR: SetMerkleBranch() : couldn't find tx in block\n");
return 0;
}
if (pblock) {
// Update the tx's hashBlock
hashBlock = pblock->GetHash();
// Locate the transaction
for (nIndex = 0; nIndex < (int)pblock->vtx.size(); nIndex++)
if (pblock->vtx[nIndex] == *(CTransaction*)this)
break;
if (nIndex == (int)pblock->vtx.size())
{
vMerkleBranch.clear();
nIndex = -1;
LogPrintf("ERROR: SetMerkleBranch() : couldn't find tx in block\n");
return 0;
}
// Fill in merkle branch
vMerkleBranch = pblock->GetMerkleBranch(nIndex);
}
// Fill in merkle branch
vMerkleBranch = block.GetMerkleBranch(nIndex);
// Is the tx in a block that's in the main chain
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi == mapBlockIndex.end())
return 0;
CBlockIndex* pindex = (*mi).second;
const CBlockIndex* pindex = (*mi).second;
if (!pindex || !chainActive.Contains(pindex))
return 0;

2
src/wallet.h
View file

@ -500,7 +500,7 @@ public:
)
int SetMerkleBranch(const CBlock* pblock=NULL);
int SetMerkleBranch(const CBlock& block);
// Return depth of transaction in blockchain:
// -1 : not in blockchain, and not in memory pool (conflicted transaction)