DragonX/dragonx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 2 Wiki Activity

fix for block 74638 overflow output transaction

Browse Source
This commit is contained in:
Satoshi Nakamoto
2010-08-15 23:09:29 +00:00
committed by Gavin Andresen
parent 6ac7f9f144
commit 76793dc969
3 changed files with 19 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
main.h
View File

@@ -18,6 +18,7 @@ static const unsigned int MAX_SIZE = 0x02000000;
static const unsigned int MAX_BLOCK_SIZE = 1000000;
static const int64 COIN = 100000000;
static const int64 CENT = 1000000;
static const int64 MAX_MONEY = 21000000 * COIN;
static const int COINBASE_MATURITY = 100;
static const CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
@@ -471,10 +472,18 @@ public:
if (vin.empty() || vout.empty())
return error("CTransaction::CheckTransaction() : vin or vout empty");
// Check for negative values
// Check for negative or overflow output values
int64 nValueOut = 0;
foreach(const CTxOut& txout, vout)
{
if (txout.nValue < 0)
return error("CTransaction::CheckTransaction() : txout.nValue negative");
if (txout.nValue > MAX_MONEY)
return error("CTransaction::CheckTransaction() : txout.nValue too high");
nValueOut += txout.nValue;
if (nValueOut > MAX_MONEY)
return error("CTransaction::CheckTransaction() : txout total too high");
}
if (IsCoinBase())
{