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recursive function to determine if own unconfirmed transaction can be spent

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git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@161 1a98c847-1fd6-4fd8-948a-caf3550aa51b
This commit is contained in:
s_nakamoto
2010-10-06 02:19:47 +00:00
parent dc8adc3b48
commit b22c884231
4 changed files with 83 additions and 52 deletions
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41
main.h
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@@ -195,7 +195,7 @@ public:
string ToString() const
{
return strprintf("COutPoint(%s, %d)", hash.ToString().substr(0,6).c_str(), n);
return strprintf("COutPoint(%s, %d)", hash.ToString().substr(0,10).c_str(), n);
}
void print() const
@@ -599,7 +599,7 @@ public:
{
string str;
str += strprintf("CTransaction(hash=%s, ver=%d, vin.size=%d, vout.size=%d, nLockTime=%d)\n",
GetHash().ToString().substr(0,6).c_str(),
GetHash().ToString().substr(0,10).c_str(),
nVersion,
vin.size(),
vout.size(),
@@ -787,6 +787,37 @@ public:
return nCreditCached;
}
bool IsConfirmed() const
{
map<uint256, const CMerkleTx*> mapPrev;
vector<const CMerkleTx*> vWorkQueue;
vWorkQueue.reserve(vtxPrev.size()+1);
vWorkQueue.push_back(this);
for (int i = 0; i < vWorkQueue.size(); i++)
{
const CMerkleTx* ptx = vWorkQueue[i];
if (!ptx->IsFinal())
return false;
if (ptx->GetDepthInMainChain() >= 1)
return true;
if (ptx->GetDebit() <= 0)
return false;
if (mapPrev.empty())
foreach(const CMerkleTx& tx, vtxPrev)
mapPrev[tx.GetHash()] = &tx;
foreach(const CTxIn& txin, ptx->vin)
{
if (!mapPrev.count(txin.prevout.hash))
return false;
vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
}
}
return true;
}
bool WriteToDisk()
{
return CWalletDB().WriteTx(GetHash(), *this);
@@ -1065,7 +1096,7 @@ public:
GetHash().ToString().substr(0,20).c_str(),
nVersion,
hashPrevBlock.ToString().substr(0,20).c_str(),
hashMerkleRoot.ToString().substr(0,6).c_str(),
hashMerkleRoot.ToString().substr(0,10).c_str(),
nTime, nBits, nNonce,
vtx.size());
for (int i = 0; i < vtx.size(); i++)
@@ -1075,7 +1106,7 @@ public:
}
printf(" vMerkleTree: ");
for (int i = 0; i < vMerkleTree.size(); i++)
printf("%s ", vMerkleTree[i].ToString().substr(0,6).c_str());
printf("%s ", vMerkleTree[i].ToString().substr(0,10).c_str());
printf("\n");
}
@@ -1233,7 +1264,7 @@ public:
{
return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nHeight=%d, merkle=%s, hashBlock=%s)",
pprev, pnext, nFile, nBlockPos, nHeight,
hashMerkleRoot.ToString().substr(0,6).c_str(),
hashMerkleRoot.ToString().substr(0,10).c_str(),
GetBlockHash().ToString().substr(0,20).c_str());
}