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JSON-RPC method: prioritisetransaction <txid> <priority delta> <priority tx fee>

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Accepts the transaction into mined blocks at a higher (or lower) priority
This commit is contained in:
Luke Dashjr 2012-07-11 18:52:41 +00:00
parent 343feecf56
commit 2a72d4591f
8 changed files with 74 additions and 3 deletions
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10
src/main.cpp
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@ -789,6 +789,16 @@ bool CheckTransaction(const CTransaction& tx, CValidationState &state)
int64_t GetMinFee(const CTransaction& tx, unsigned int nBytes, bool fAllowFree, enum GetMinFee_mode mode)
{
{
LOCK(mempool.cs);
uint256 hash = tx.GetHash();
double dPriorityDelta = 0;
int64_t nFeeDelta = 0;
mempool.ApplyDeltas(hash, dPriorityDelta, nFeeDelta);
if (dPriorityDelta > 0 || nFeeDelta > 0)
return 0;
}
// Base fee is either minTxFee or minRelayTxFee
CFeeRate baseFeeRate = (mode == GMF_RELAY) ? tx.minRelayTxFee : tx.minTxFee;

14
src/miner.cpp
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@ -3,6 +3,8 @@
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <inttypes.h>
#include "miner.h"
#include "core.h"
@ -186,6 +188,9 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
unsigned int nTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
dPriority = tx.ComputePriority(dPriority, nTxSize);
uint256 hash = tx.GetHash();
mempool.ApplyDeltas(hash, dPriority, nTotalIn);
CFeeRate feeRate(nTotalIn-tx.GetValueOut(), nTxSize);
if (porphan)
@ -227,10 +232,14 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
continue;
// Skip free transactions if we're past the minimum block size:
if (fSortedByFee && (feeRate < CTransaction::minRelayTxFee) && (nBlockSize + nTxSize >= nBlockMinSize))
const uint256& hash = tx.GetHash();
double dPriorityDelta = 0;
int64_t nFeeDelta = 0;
mempool.ApplyDeltas(hash, dPriorityDelta, nFeeDelta);
if (fSortedByFee && (dPriorityDelta <= 0) && (nFeeDelta <= 0) && (feeRate < CTransaction::minRelayTxFee) && (nBlockSize + nTxSize >= nBlockMinSize))
continue;
// Prioritize by fee once past the priority size or we run out of high-priority
// Prioritise by fee once past the priority size or we run out of high-priority
// transactions:
if (!fSortedByFee &&
((nBlockSize + nTxSize >= nBlockPrioritySize) || !AllowFree(dPriority)))
@ -257,7 +266,6 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
continue;
CTxUndo txundo;
const uint256& hash = tx.GetHash();
UpdateCoins(tx, state, view, txundo, pindexPrev->nHeight+1);
// Added

2
src/rpcclient.cpp
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@ -72,6 +72,8 @@ Array RPCConvertValues(const std::string &strMethod, const std::vector<std::stri
if (strMethod == "listtransactions" && n > 2) ConvertTo<int64_t>(params[2]);
if (strMethod == "listaccounts" && n > 0) ConvertTo<int64_t>(params[0]);
if (strMethod == "walletpassphrase" && n > 1) ConvertTo<int64_t>(params[1]);
if (strMethod == "prioritisetransaction" && n > 1) ConvertTo<double>(params[1]);
if (strMethod == "prioritisetransaction" && n > 2) ConvertTo<int64_t>(params[2]);
if (strMethod == "getblocktemplate" && n > 0) ConvertTo<Object>(params[0]);
if (strMethod == "listsinceblock" && n > 1) ConvertTo<int64_t>(params[1]);
if (strMethod == "sendmany" && n > 1) ConvertTo<Object>(params[1]);

14
src/rpcmining.cpp
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@ -247,6 +247,20 @@ Value getmininginfo(const Array& params, bool fHelp)
}
Value prioritisetransaction(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 3)
throw runtime_error(
"prioritisetransaction <txid> <priority delta> <fee delta>\n"
"Accepts the transaction into mined blocks at a higher (or lower) priority");
uint256 hash;
hash.SetHex(params[0].get_str());
mempool.PrioritiseTransaction(hash, params[0].get_str(), params[1].get_real(), params[2].get_int64());
return true;
}
Value getblocktemplate(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)

1
src/rpcserver.cpp
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@ -254,6 +254,7 @@ static const CRPCCommand vRPCCommands[] =
{ "getblocktemplate", &getblocktemplate, true, false, false },
{ "getmininginfo", &getmininginfo, true, false, false },
{ "getnetworkhashps", &getnetworkhashps, true, false, false },
{ "prioritisetransaction", &prioritisetransaction, true, false, false },
{ "submitblock", &submitblock, false, true, false },
/* Raw transactions */

1
src/rpcserver.h
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@ -130,6 +130,7 @@ extern json_spirit::Value setgenerate(const json_spirit::Array& params, bool fHe
extern json_spirit::Value getnetworkhashps(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value gethashespersec(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getmininginfo(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value prioritisetransaction(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getblocktemplate(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value submitblock(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value estimatefee(const json_spirit::Array& params, bool fHelp);

29
src/txmempool.cpp
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@ -447,6 +447,7 @@ void CTxMemPool::removeForBlock(const std::vector<CTransaction>& vtx, unsigned i
std::list<CTransaction> dummy;
remove(tx, dummy, false);
removeConflicts(tx, conflicts);
ClearPrioritisation(tx.GetHash());
}
}
@ -564,6 +565,34 @@ CTxMemPool::ReadFeeEstimates(CAutoFile& filein)
return true;
}
void CTxMemPool::PrioritiseTransaction(const uint256 hash, const string strHash, double dPriorityDelta, int64_t nFeeDelta)
{
{
LOCK(cs);
std::pair<double, int64_t> &deltas = mapDeltas[hash];
deltas.first += dPriorityDelta;
deltas.second += nFeeDelta;
}
LogPrintf("PrioritiseTransaction: %s priority += %f, fee += %d\n", strHash.c_str(), dPriorityDelta, nFeeDelta);
}
void CTxMemPool::ApplyDeltas(const uint256 hash, double &dPriorityDelta, int64_t &nFeeDelta)
{
LOCK(cs);
std::map<uint256, std::pair<double, int64_t> >::iterator pos = mapDeltas.find(hash);
if (pos == mapDeltas.end())
return;
const std::pair<double, int64_t> &deltas = pos->second;
dPriorityDelta += deltas.first;
nFeeDelta += deltas.second;
}
void CTxMemPool::ClearPrioritisation(const uint256 hash)
{
LOCK(cs);
mapDeltas.erase(hash);
}
CCoinsViewMemPool::CCoinsViewMemPool(CCoinsView &baseIn, CTxMemPool &mempoolIn) : CCoinsViewBacked(baseIn), mempool(mempoolIn) { }

6
src/txmempool.h
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@ -71,6 +71,7 @@ public:
mutable CCriticalSection cs;
std::map<uint256, CTxMemPoolEntry> mapTx;
std::map<COutPoint, CInPoint> mapNextTx;
std::map<uint256, std::pair<double, int64_t> > mapDeltas;
CTxMemPool();
~CTxMemPool();
@ -95,6 +96,11 @@ public:
unsigned int GetTransactionsUpdated() const;
void AddTransactionsUpdated(unsigned int n);
/** Affect CreateNewBlock prioritisation of transactions */
void PrioritiseTransaction(const uint256 hash, const std::string strHash, double dPriorityDelta, int64_t nFeeDelta);
void ApplyDeltas(const uint256 hash, double &dPriorityDelta, int64_t &nFeeDelta);
void ClearPrioritisation(const uint256 hash);
unsigned long size()
{
LOCK(cs);