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fix transaction fee bug in CreateTransaction, higher size cutoff for free transactions in GetMinFee

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s_nakamoto
2009-12-06 00:29:09 +00:00
parent 70918a6645
commit 658b5b414a
3 changed files with 17 additions and 14 deletions
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11
main.h
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@@ -512,14 +512,19 @@ public:
return nValueOut;
}
int64 GetMinFee(bool fDiscount=false) const
int64 GetMinFee(unsigned int nBlockSize=1) const
{
// Base fee is 1 cent per kilobyte
unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK);
int64 nMinFee = (1 + (int64)nBytes / 1000) * CENT;
// First 100 transactions in a block are free
if (fDiscount && nBytes < 10000)
// Transactions under 60K are free as long as block size is under 80K
// (about 27,000bc if made of 50bc inputs)
if (nBytes < 60000 && nBlockSize < 80000)
nMinFee = 0;
// Transactions under 3K are free as long as block size is under 200K
if (nBytes < 3000 && nBlockSize < 200000)
nMinFee = 0;
// To limit dust spam, require a 0.01 fee if any output is less than 0.01