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611.cpp
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611.cpp
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// Copyright (c) 2010-2011 Vincent Durham
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
//
#include "headers.h"
#include "db.h"
#include "keystore.h"
#include "wallet.h"
#include "init.h"
#include "auxpow.h"
#include "611.h"
#include "bitcoinrpc.h"
#include "json/json_spirit_reader_template.h"
#include "json/json_spirit_writer_template.h"
#include "json/json_spirit_utils.h"
#include <boost/xpressive/xpressive_dynamic.hpp>
using namespace std;
using namespace json_spirit;
static const bool NAME_DEBUG = false;
extern int64 AmountFromValue(const Value& value);
extern Object JSONRPCError(int code, const string& message);
template<typename T> void ConvertTo(Value& value, bool fAllowNull=false);
static const int BUG_WORKAROUND_BLOCK = 0; // Point of hard fork
std::map<vchType, uint256> mapMyNames;
std::map<vchType, set<uint256> > mapNamePending;
std::set<vchType> setNewHashes;
#ifdef GUI
extern std::map<uint160, vchType> mapMyNameHashes;
#endif
extern uint256 SignatureHash(CScript scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
// forward decls
extern bool Solver(const CKeyStore& keystore, const CScript& scriptPubKey, uint256 hash, int nHashType, CScript& scriptSigRet);
extern bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, int nHashType);
extern bool IsConflictedTx (DatabaseSet& dbset, const CTransaction& tx, vchType& name);
extern void rescanfornames();
extern Value sendtoaddress(const Array& params, bool fHelp);
const int SIXELEVEN_COIN_GENESIS_EXTRA = 611;
// uint256 hash611GenesisBlock("5046007a912dca485580fbc753ddd247e9bc189d357902813a5952937b3f342a");
// uint256 hash611GenesisBlock("413a8fbe9b5fb31f28527f46818c5be332c258019874f92f6ae30fd1afb28081");
// uint256 hash611GenesisBlock("64b1665d23ccc3dd3ae111c32e32f401578f4e590d946b8612f570487898c5a8");
uint256 hash611GenesisBlock("7530c8ebcdd9d7944ac9de047240f0ac06707b0868cfe57f98831eeb2843d7ab");
class C611Hooks : public CHooks
{
public:
virtual bool IsStandard(const CScript& scriptPubKey);
virtual void AddToWallet(CWalletTx& tx);
virtual bool CheckTransaction(const CTransaction& tx);
virtual bool ConnectInputs(DatabaseSet& dbset,
map<uint256, CTxIndex>& mapTestPool,
const CTransaction& tx,
vector<CTransaction>& vTxPrev,
vector<CTxIndex>& vTxindex,
CBlockIndex* pindexBlock,
CDiskTxPos& txPos,
bool fBlock,
bool fMiner);
virtual bool DisconnectInputs (DatabaseSet& dbset,
const CTransaction& tx,
CBlockIndex* pindexBlock);
virtual bool ConnectBlock (CBlock& block, DatabaseSet& dbset,
CBlockIndex* pindex);
virtual bool DisconnectBlock (CBlock& block, DatabaseSet& dbset,
CBlockIndex* pindex);
virtual bool ExtractAddress(const CScript& script, string& address);
virtual bool GenesisBlock(CBlock& block);
virtual bool Lockin(int nHeight, uint256 hash);
virtual int LockinHeight();
virtual string IrcPrefix();
virtual bool AcceptToMemoryPool(DatabaseSet& dbset, const CTransaction& tx);
virtual void RemoveFromMemoryPool(const CTransaction& tx);
virtual void MessageStart(char* pchMessageStart)
{
// Make the message start different
// pchMessageStart[3] = 0xfe;
// ohhh - sometimes 611 is 46609
pchMessageStart[2] = 0xb6;
pchMessageStart[3] = 0x11;
}
virtual bool IsMine(const CTransaction& tx);
virtual bool IsMine(const CTransaction& tx, const CTxOut& txout, bool ignore_name_new = false);
virtual int GetOurChainID()
{
return 0x0001;
}
virtual int GetAuxPowStartBlock()
{
if (fTestNet)
return 0;
return 19200;
}
virtual int GetFullRetargetStartBlock()
{
if (fTestNet)
return 0;
return 19200;
}
string GetAlertPubkey1()
{
return "046e402e42167adacc1dbaa01fd272fc1ba56aa2a1f53e5b71e57d1ba67a1a1130316ec2a376130af0fb67173de0189865809664aceb2f5b3be874227792a58ddb";
}
string GetAlertPubkey2()
{
return "04ae90ead1eef7380d9efd19e90b0dcc381b0427ed1f62a96a45b67fe864187a4c4c677b644d133058519dad57af15fc07e6fe376b831779536753573066b8f069";
}
};
/**
* Check whether the given height is post-libcoin-hardfork. I. e.,
* strict checks for name_update and tx decoding should be applied.
*/
static bool
postLibcoinFork(unsigned nHeight)
{
if (fTestNet)
return nHeight >= 108000;
return nHeight >= BUG_WORKAROUND_BLOCK;
}
/**
* Check whether the given height is post the "strict checks" hardfork
* done in preparation for switching to the rebased client.
*/
bool
doStrictChecks(unsigned nHeight)
{
if (fTestNet)
return nHeight >= 108000;
return nHeight >= 212500;
}
int64 getAmount(Value value)
{
ConvertTo<double>(value);
double dAmount = value.get_real();
int64 nAmount = roundint64(dAmount * COIN);
if (!MoneyRange(nAmount))
throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
return nAmount;
}
vchType
vchFromValue (const Value& value)
{
const std::string str = value.get_str ();
return vchFromString (str);
}
vchType
vchFromString (const std::string& str)
{
const unsigned char* strbeg;
strbeg = reinterpret_cast<const unsigned char*> (str.c_str ());
return vchType(strbeg, strbeg + str.size ());
}
string stringFromVch(const vector<unsigned char> &vch) {
string res;
vector<unsigned char>::const_iterator vi = vch.begin();
while (vi != vch.end()) {
res += (char)(*vi);
vi++;
}
return res;
}
// Names registered with 611 should be valid at least 365 days.
// Increase expiration to 108000 gradually starting at block 18000.
// Use for validation purposes and pass the chain height.
int GetExpirationDepth(int nHeight) {
if (nHeight < 18000)
return 18000;
if (nHeight < 108000)
return nHeight;
return 108000;
}
// For display purposes, pass the name height.
int GetDisplayExpirationDepth(int nHeight) {
if (nHeight < 18000)
return 18000;
if (nHeight < 108000)
return nHeight;
return 108000;
}
int64 GetNetworkFee(int nHeight)
{
// Speed up network fee decrease 4x starting at 24000
// if (nHeight >= 24000)
// nHeight += (nHeight - 24000) * 3;
// if ((nHeight >> 13) >= 60)
// return 0;
// int64 nStart = 50 * COIN;
// if (fTestNet)
// nStart = 10 * CENT;
// int64 nRes = nStart >> (nHeight >> 13);
// nRes -= (nRes >> 14) * (nHeight % 8192);
// return nRes;
// the standard network fee is 6.11 cent
int64 nStart = 611 * CENT / 100;
// it will decrease by factor two every 2^18 or 262144 blocks
int64 nNetFee = nStart >> (nHeight >> 18);
nNetFee -= (nNetFee >> 19) * (nHeight % 262144);
// but is was fixed for the very early developers
if (nHeight <= 10110)
nNetFee = 611 * CENT / 100;
if (nHeight <= 2880)
nNetFee = 611 * CENT / 1000;
if (fTestNet)
nNetFee = 1 * CENT;
return nNetFee;
}
int GetTxPosHeight(const CNameIndex& txPos)
{
return txPos.nHeight;
}
int GetTxPosHeight(const CDiskTxPos& txPos)
{
// Read block header
CBlock block;
if (!block.ReadFromDisk(txPos.nFile, txPos.nBlockPos, false))
return 0;
// Find the block in the index
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(block.GetHash());
if (mi == mapBlockIndex.end())
return 0;
CBlockIndex* pindex = (*mi).second;
if (!pindex || !pindex->IsInMainChain())
return 0;
return pindex->nHeight;
}
int GetTxPosHeight2(const CDiskTxPos& txPos, int nHeight)
{
nHeight = GetTxPosHeight(txPos);
return nHeight;
}
int
GetNameHeight (DatabaseSet& dbset, vector<unsigned char> vchName)
{
vector<CNameIndex> vtxPos;
if (dbset.name ().ExistsName (vchName))
{
if (!dbset.name ().ReadName (vchName, vtxPos))
return error("GetNameHeight() : failed to read from name DB");
if (vtxPos.empty ())
return -1;
CNameIndex& txPos = vtxPos.back ();
return GetTxPosHeight (txPos);
}
return -1;
}
CScript RemoveNameScriptPrefix(const CScript& scriptIn)
{
int op;
vector<vector<unsigned char> > vvch;
CScript::const_iterator pc = scriptIn.begin();
if (!DecodeNameScript(scriptIn, op, vvch, pc))
throw runtime_error("RemoveNameScriptPrefix() : could not decode name script");
return CScript(pc, scriptIn.end());
}
bool IsMyName(const CTransaction& tx, const CTxOut& txout)
{
const CScript& scriptPubKey = RemoveNameScriptPrefix(txout.scriptPubKey);
CScript scriptSig;
if (!Solver(*pwalletMain, scriptPubKey, 0, 0, scriptSig))
return false;
return true;
}
bool CreateTransactionWithInputTx(const vector<pair<CScript, int64> >& vecSend, const CWalletTx& wtxIn, int nTxOut, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
{
int64 nValue = 0;
BOOST_FOREACH(const PAIRTYPE(CScript, int64)& s, vecSend)
{
if (nValue < 0)
return false;
nValue += s.second;
}
if (vecSend.empty() || nValue < 0)
return false;
wtxNew.pwallet = pwalletMain;
CRITICAL_BLOCK(cs_main)
{
// txdb must be opened before the mapWallet lock
CTxDB txdb("r");
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
nFeeRet = nTransactionFee;
loop
{
wtxNew.vin.clear();
wtxNew.vout.clear();
wtxNew.fFromMe = true;
int64 nTotalValue = nValue + nFeeRet;
printf("CreateTransactionWithInputTx: total value = %d\n", nTotalValue);
double dPriority = 0;
// vouts to the payees
BOOST_FOREACH(const PAIRTYPE(CScript, int64)& s, vecSend)
wtxNew.vout.push_back(CTxOut(s.second, s.first));
int64 nWtxinCredit = wtxIn.vout[nTxOut].nValue;
// Choose coins to use
set<pair<const CWalletTx*, unsigned int> > setCoins;
int64 nValueIn = 0;
printf("CreateTransactionWithInputTx: SelectCoins(%s), nTotalValue = %s, nWtxinCredit = %s\n", FormatMoney(nTotalValue - nWtxinCredit).c_str(), FormatMoney(nTotalValue).c_str(), FormatMoney(nWtxinCredit).c_str());
if (nTotalValue - nWtxinCredit > 0)
{
if (!pwalletMain->SelectCoins(nTotalValue - nWtxinCredit, setCoins, nValueIn))
return false;
}
printf("CreateTransactionWithInputTx: selected %d tx outs, nValueIn = %s\n", setCoins.size(), FormatMoney(nValueIn).c_str());
vector<pair<const CWalletTx*, unsigned int> >
vecCoins(setCoins.begin(), setCoins.end());
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int)& coin, vecCoins)
{
int64 nCredit = coin.first->vout[coin.second].nValue;
dPriority += (double)nCredit * coin.first->GetDepthInMainChain();
}
// Input tx always at first position
vecCoins.insert(vecCoins.begin(), make_pair(&wtxIn, nTxOut));
nValueIn += nWtxinCredit;
dPriority += (double)nWtxinCredit * wtxIn.GetDepthInMainChain();
// Fill a vout back to self with any change
int64 nChange = nValueIn - nTotalValue;
if (nChange >= CENT)
{
// Note: We use a new key here to keep it from being obvious which side is the change.
// The drawback is that by not reusing a previous key, the change may be lost if a
// backup is restored, if the backup doesn't have the new private key for the change.
// If we reused the old key, it would be possible to add code to look for and
// rediscover unknown transactions that were written with keys of ours to recover
// post-backup change.
// Reserve a new key pair from key pool
vector<unsigned char> vchPubKey = reservekey.GetReservedKey();
assert(pwalletMain->HaveKey(vchPubKey));
// -------------- Fill a vout to ourself, using same address type as the payment
// Now sending always to hash160 (GetBitcoinAddressHash160 will return hash160, even if pubkey is used)
CScript scriptChange;
if (vecSend[0].first.GetBitcoinAddressHash160() != 0)
scriptChange.SetBitcoinAddress(vchPubKey);
else
scriptChange << vchPubKey << OP_CHECKSIG;
// Insert change txn at random position:
vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size());
wtxNew.vout.insert(position, CTxOut(nChange, scriptChange));
}
else
reservekey.ReturnKey();
// Fill vin
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int)& coin, vecCoins)
wtxNew.vin.push_back(CTxIn(coin.first->GetHash(), coin.second));
// Sign
int nIn = 0;
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int)& coin, vecCoins)
{
if (!SignSignature(*pwalletMain, *coin.first, wtxNew, nIn++))
return false;
}
// Limit size
unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK);
if (nBytes >= MAX_BLOCK_SIZE_GEN/5)
return false;
dPriority /= nBytes;
// Check that enough fee is included
int64 nPayFee = nTransactionFee * (1 + (int64)nBytes / 1000);
bool fAllowFree = CTransaction::AllowFree(dPriority);
int64 nMinFee = wtxNew.GetMinFee(1, fAllowFree);
if (nFeeRet < max(nPayFee, nMinFee))
{
nFeeRet = max(nPayFee, nMinFee);
printf("CreateTransactionWithInputTx: re-iterating (nFreeRet = %s)\n", FormatMoney(nFeeRet).c_str());
continue;
}
// Fill vtxPrev by copying from previous transactions vtxPrev
wtxNew.AddSupportingTransactions(txdb);
wtxNew.fTimeReceivedIsTxTime = true;
break;
}
}
}
printf("CreateTransactionWithInputTx succeeded:\n%s", wtxNew.ToString().c_str());
return true;
}
// nTxOut is the output from wtxIn that we should grab
// requires cs_main lock
string SendMoneyWithInputTx(const CScript& scriptPubKey, int64 nValue, int64 nNetFee, const CWalletTx& wtxIn, CWalletTx& wtxNew, bool fAskFee)
{
int nTxOut = IndexOfNameOutput(wtxIn);
CReserveKey reservekey(pwalletMain);
int64 nFeeRequired;
vector< pair<CScript, int64> > vecSend;
vecSend.push_back(make_pair(scriptPubKey, nValue));
if (nNetFee)
{
CScript scriptFee;
scriptFee << OP_RETURN;
vecSend.push_back(make_pair(scriptFee, nNetFee));
}
if (!CreateTransactionWithInputTx(vecSend, wtxIn, nTxOut, wtxNew, reservekey, nFeeRequired))
{
string strError;
if (nValue + nFeeRequired > pwalletMain->GetBalance())
strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds "), FormatMoney(nFeeRequired).c_str());
else
strError = _("Error: Transaction creation failed ");
printf("SendMoney() : %s", strError.c_str());
return strError;
}
#ifdef GUI
if (fAskFee && !uiInterface.ThreadSafeAskFee(nFeeRequired))
return "ABORTED";
#else
if (fAskFee && !ThreadSafeAskFee(nFeeRequired, "611", NULL))
return "ABORTED";
#endif
if (!pwalletMain->CommitTransaction(wtxNew, reservekey))
return _("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
return "";
}
bool GetValueOfTxPos(const CNameIndex& txPos, vector<unsigned char>& vchValue, uint256& hash, int& nHeight)
{
nHeight = GetTxPosHeight(txPos);
vchValue = txPos.vValue;
CTransaction tx;
if (!tx.ReadFromDisk(txPos.txPos))
return error("GetValueOfTxPos() : could not read tx from disk");
hash = tx.GetHash();
return true;
}
bool GetValueOfTxPos(const CDiskTxPos& txPos, vector<unsigned char>& vchValue, uint256& hash, int& nHeight)
{
nHeight = GetTxPosHeight(txPos);
CTransaction tx;
if (!tx.ReadFromDisk(txPos))
return error("GetValueOfTxPos() : could not read tx from disk");
if (!GetValueOfNameTx(tx, vchValue))
return error("GetValueOfTxPos() : could not decode value from tx");
hash = tx.GetHash();
return true;
}
bool GetValueOfName(CNameDB& dbName, const vector<unsigned char> &vchName, vector<unsigned char>& vchValue, int& nHeight)
{
//vector<CDiskTxPos> vtxPos;
vector<CNameIndex> vtxPos;
if (!dbName.ReadName(vchName, vtxPos) || vtxPos.empty())
return false;
/*CDiskTxPos& txPos = vtxPos.back();
uint256 hash;
return GetValueOfTxPos(txPos, vchValue, hash, nHeight);*/
CNameIndex& txPos = vtxPos.back();
nHeight = txPos.nHeight;
vchValue = txPos.vValue;
return true;
}
bool GetTxOfName(CNameDB& dbName, const vector<unsigned char> &vchName, CTransaction& tx)
{
//vector<CDiskTxPos> vtxPos;
vector<CNameIndex> vtxPos;
if (!dbName.ReadName(vchName, vtxPos) || vtxPos.empty())
return false;
//CDiskTxPos& txPos = vtxPos.back();
CNameIndex& txPos = vtxPos.back();
//int nHeight = GetTxPosHeight(txPos);
int nHeight = txPos.nHeight;
if (nHeight + GetExpirationDepth(pindexBest->nHeight) < pindexBest->nHeight)
{
string name = stringFromVch(vchName);
printf("GetTxOfName(%s) : expired", name.c_str());
return false;
}
if (!tx.ReadFromDisk(txPos.txPos))
return error("GetTxOfName() : could not read tx from disk");
return true;
}
bool GetNameAddress(const CTransaction& tx, std::string& strAddress)
{
int op;
int nOut;
vector<vector<unsigned char> > vvch;
if (!DecodeNameTx(tx, op, nOut, vvch, BUG_WORKAROUND_BLOCK))
return false;
const CTxOut& txout = tx.vout[nOut];
const CScript& scriptPubKey = RemoveNameScriptPrefix(txout.scriptPubKey);
strAddress = scriptPubKey.GetBitcoinAddress();
return true;
}
bool GetNameAddress(const CDiskTxPos& txPos, std::string& strAddress)
{
CTransaction tx;
if (!tx.ReadFromDisk(txPos))
return error("GetNameAddress() : could not read tx from disk");
return GetNameAddress(tx, strAddress);
}
Value sendtoname(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 2 || params.size() > 4)
throw runtime_error(
"sendtoname <611name> <amount> [comment] [comment-to]\n"
"<amount> is a real and is rounded to the nearest 0.01"
+ HelpRequiringPassphrase());
vector<unsigned char> vchName = vchFromValue(params[0]);
CNameDB dbName("r");
if (!dbName.ExistsName(vchName))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Name not found");
string strAddress;
CTransaction tx;
GetTxOfName(dbName, vchName, tx);
GetNameAddress(tx, strAddress);
uint160 hash160;
if (!AddressToHash160(strAddress, hash160))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No valid 611 address");
// Amount
int64 nAmount = AmountFromValue(params[1]);
// Wallet comments
CWalletTx wtx;
if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
wtx.mapValue["comment"] = params[2].get_str();
if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
wtx.mapValue["to"] = params[3].get_str();
CRITICAL_BLOCK(cs_main)
{
EnsureWalletIsUnlocked();
string strError = pwalletMain->SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
if (strError != "")
throw JSONRPCError(RPC_WALLET_ERROR, strError);
}
return wtx.GetHash().GetHex();
}
Value name_list(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)
throw runtime_error(
"name_list [<name>]\n"
"list my own names"
);
vchType vchNameUniq;
if (params.size () == 1)
vchNameUniq = vchFromValue (params[0]);
std::map<vchType, int> vNamesI;
std::map<vchType, Object> vNamesO;
CRITICAL_BLOCK(cs_main)
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item,
pwalletMain->mapWallet)
{
const CWalletTx& tx = item.second;
vchType vchName, vchValue;
int nOut;
if (!tx.GetNameUpdate (nOut, vchName, vchValue))
continue;
if(!vchNameUniq.empty () && vchNameUniq != vchName)
continue;
const int nHeight = tx.GetHeightInMainChain ();
if (nHeight == -1)
continue;
assert (nHeight >= 0);
// get last active name only
if (vNamesI.find (vchName) != vNamesI.end ()
&& vNamesI[vchName] > nHeight)
continue;
Object oName;
oName.push_back(Pair("name", stringFromVch(vchName)));
oName.push_back(Pair("value", stringFromVch(vchValue)));
if (!hooks->IsMine (tx))
oName.push_back(Pair("transferred", 1));
string strAddress = "";
GetNameAddress(tx, strAddress);
oName.push_back(Pair("address", strAddress));
const int expiresIn = nHeight + GetDisplayExpirationDepth (nHeight) - pindexBest->nHeight;
oName.push_back (Pair("expires_in", expiresIn));
if (expiresIn <= 0)
oName.push_back (Pair("expired", 1));
vNamesI[vchName] = nHeight;
vNamesO[vchName] = oName;
}
}
Array oRes;
BOOST_FOREACH(const PAIRTYPE(vector<unsigned char>, Object)& item, vNamesO)
oRes.push_back(item.second);
return oRes;
}
Value name_debug(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 0)
throw runtime_error(
"name_debug\n"
"Dump pending transactions id in the debug file.\n");
printf("Pending:\n----------------------------\n");
pair<vector<unsigned char>, set<uint256> > pairPending;
CRITICAL_BLOCK(cs_main)
BOOST_FOREACH(pairPending, mapNamePending)
{
string name = stringFromVch(pairPending.first);
printf("%s :\n", name.c_str());
uint256 hash;
BOOST_FOREACH(hash, pairPending.second)
{
printf(" ");
if (!pwalletMain->mapWallet.count(hash))
printf("foreign ");
printf(" %s\n", hash.GetHex().c_str());
}
}
printf("----------------------------\n");
return true;
}
Value name_debug1(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1)
throw runtime_error(
"name_debug1 <name>\n"
"Dump name blocks number and transactions id in the debug file.\n");
vector<unsigned char> vchName = vchFromValue(params[0]);
printf("Dump name:\n");
CRITICAL_BLOCK(cs_main)
{
//vector<CDiskTxPos> vtxPos;
vector<CNameIndex> vtxPos;
CNameDB dbName("r");
if (!dbName.ReadName(vchName, vtxPos))
{
error("failed to read from name DB");
return false;
}
//CDiskTxPos txPos;
CNameIndex txPos;
BOOST_FOREACH(txPos, vtxPos)
{
CTransaction tx;
if (!tx.ReadFromDisk(txPos.txPos))
{
error("could not read txpos %s", txPos.txPos.ToString().c_str());
continue;
}
printf("@%d %s\n", GetTxPosHeight(txPos), tx.GetHash().GetHex().c_str());
}
}
printf("-------------------------\n");
return true;
}
Value name_show(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"name_show <name>\n"
"Show values of a name.\n"
);
Object oLastName;
vector<unsigned char> vchName = vchFromValue(params[0]);
string name = stringFromVch(vchName);
CRITICAL_BLOCK(cs_main)
{
//vector<CDiskTxPos> vtxPos;
vector<CNameIndex> vtxPos;
CNameDB dbName("r");
if (!dbName.ReadName(vchName, vtxPos))
throw JSONRPCError(RPC_WALLET_ERROR, "failed to read from name DB");
if (vtxPos.size() < 1)
throw JSONRPCError(RPC_WALLET_ERROR, "no result returned");
CDiskTxPos txPos = vtxPos[vtxPos.size() - 1].txPos;
CTransaction tx;
if (!tx.ReadFromDisk(txPos))
throw JSONRPCError(RPC_WALLET_ERROR, "failed to read from from disk");
Object oName;
vector<unsigned char> vchValue;
int nHeight;
uint256 hash;
if (!txPos.IsNull() && GetValueOfTxPos(txPos, vchValue, hash, nHeight))
{
oName.push_back(Pair("name", name));
string value = stringFromVch(vchValue);
oName.push_back(Pair("value", value));
oName.push_back(Pair("txid", tx.GetHash().GetHex()));
string strAddress = "";
GetNameAddress(txPos, strAddress);
oName.push_back(Pair("address", strAddress));
oName.push_back(Pair("expires_in", nHeight + GetDisplayExpirationDepth(nHeight) - pindexBest->nHeight));
if(nHeight + GetDisplayExpirationDepth(nHeight) - pindexBest->nHeight <= 0)
{
oName.push_back(Pair("expired", 1));
}
oLastName = oName;
}
}
return oLastName;
}
Value name_history(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"name_history <name>\n"
"List all name values of a name.\n");
Array oRes;
vector<unsigned char> vchName = vchFromValue(params[0]);
string name = stringFromVch(vchName);
CRITICAL_BLOCK(cs_main)
{
//vector<CDiskTxPos> vtxPos;
vector<CNameIndex> vtxPos;
CNameDB dbName("r");
if (!dbName.ReadName(vchName, vtxPos))
throw JSONRPCError(RPC_WALLET_ERROR, "failed to read from name DB");
CNameIndex txPos2;
CDiskTxPos txPos;
BOOST_FOREACH(txPos2, vtxPos)
{
txPos = txPos2.txPos;
CTransaction tx;
if (!tx.ReadFromDisk(txPos))
{
error("could not read txpos %s", txPos.ToString().c_str());
continue;
}
Object oName;
vector<unsigned char> vchValue;
int nHeight;
uint256 hash;
if (!txPos.IsNull() && GetValueOfTxPos(txPos, vchValue, hash, nHeight))
{
oName.push_back(Pair("name", name));
string value = stringFromVch(vchValue);
oName.push_back(Pair("value", value));
oName.push_back(Pair("txid", tx.GetHash().GetHex()));
string strAddress = "";
GetNameAddress(txPos, strAddress);
oName.push_back(Pair("address", strAddress));
oName.push_back(Pair("expires_in", nHeight + GetDisplayExpirationDepth(nHeight) - pindexBest->nHeight));
if(nHeight + GetDisplayExpirationDepth(nHeight) - pindexBest->nHeight <= 0)
{
oName.push_back(Pair("expired", 1));
}
oRes.push_back(oName);
}
}
}
return oRes;
}
Value name_filter(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 5)
throw runtime_error(
"name_filter [[[[[regexp] maxage=36000] from=0] nb=0] stat]\n"
"scan and filter names\n"
"[regexp] : apply [regexp] on names, empty means all names\n"
"[maxage] : look in last [maxage] blocks\n"
"[from] : show results from number [from]\n"
"[nb] : show [nb] results, 0 means all\n"
"[stats] : show some stats instead of results\n"
"name_filter \"\" 5 # list names updated in last 5 blocks\n"
"name_filter \"^id/\" # list all names from the \"id\" namespace\n"
"name_filter \"^id/\" 36000 0 0 stat # display stats (number of names) on active names from the \"id\" namespace\n"
);
string strRegexp;
int nFrom = 0;
int nNb = 0;
int nMaxAge = 36000;
bool fStat = false;
int nCountFrom = 0;
int nCountNb = 0;
if (params.size() > 0)
strRegexp = params[0].get_str();
if (params.size() > 1)
nMaxAge = params[1].get_int();
if (params.size() > 2)
nFrom = params[2].get_int();
if (params.size() > 3)
nNb = params[3].get_int();
if (params.size() > 4)
fStat = (params[4].get_str() == "stat" ? true : false);
CNameDB dbName("r");
Array oRes;
vector<unsigned char> vchName;
vector<pair<vector<unsigned char>, CNameIndex> > nameScan;
if (!dbName.ScanNames(vchName, 100000000, nameScan))
throw JSONRPCError(RPC_WALLET_ERROR, "scan failed");
// compile regex once
using namespace boost::xpressive;
smatch nameparts;
sregex cregex = sregex::compile(strRegexp);
pair<vector<unsigned char>, CNameIndex> pairScan;
BOOST_FOREACH(pairScan, nameScan)
{
string name = stringFromVch(pairScan.first);
// regexp
if(strRegexp != "" && !regex_search(name, nameparts, cregex))
continue;
CNameIndex txName = pairScan.second;
int nHeight = txName.nHeight;
// max age
if(nMaxAge != 0 && pindexBest->nHeight - nHeight >= nMaxAge)
continue;
// from limits
nCountFrom++;
if(nCountFrom < nFrom + 1)
continue;
Object oName;
if (!fStat) {
oName.push_back(Pair("name", name));
int nExpiresIn = nHeight + GetDisplayExpirationDepth(nHeight) - pindexBest->nHeight;
if (nExpiresIn <= 0)
{
oName.push_back(Pair("expired", 1));
}
else
{
string value = stringFromVch(txName.vValue);
oName.push_back(Pair("value", value));
oName.push_back(Pair("expires_in", nExpiresIn));
}
}
oRes.push_back(oName);
nCountNb++;
// nb limits
if(nNb > 0 && nCountNb >= nNb)
break;
}
if (NAME_DEBUG) {
dbName.test();
}
if (fStat)
{
Object oStat;
oStat.push_back(Pair("blocks", (int)nBestHeight));
oStat.push_back(Pair("count", (int)oRes.size()));
//oStat.push_back(Pair("sha256sum", SHA256(oRes), true));
return oStat;
}
return oRes;
}
Value name_scan(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"name_scan [<start-name>] [<max-returned>]\n"
"scan all names, starting at start-name and returning a maximum number of entries (default 500)\n"
);
vector<unsigned char> vchName;
int nMax = 500;
if (params.size() > 0)
{
vchName = vchFromValue(params[0]);
}
if (params.size() > 1)
{
Value vMax = params[1];
ConvertTo<double>(vMax);
nMax = (int)vMax.get_real();
}
CNameDB dbName("r");
Array oRes;
//vector<pair<vector<unsigned char>, CDiskTxPos> > nameScan;
vector<pair<vector<unsigned char>, CNameIndex> > nameScan;
if (!dbName.ScanNames(vchName, nMax, nameScan))
throw JSONRPCError(RPC_WALLET_ERROR, "scan failed");
//pair<vector<unsigned char>, CDiskTxPos> pairScan;
pair<vector<unsigned char>, CNameIndex> pairScan;
BOOST_FOREACH(pairScan, nameScan)
{
Object oName;
string name = stringFromVch(pairScan.first);
oName.push_back(Pair("name", name));
//vector<unsigned char> vchValue;
CTransaction tx;
CNameIndex txName = pairScan.second;
CDiskTxPos txPos = txName.txPos;
//CDiskTxPos txPos = pairScan.second;
//int nHeight = GetTxPosHeight(txPos);
int nHeight = txName.nHeight;
vector<unsigned char> vchValue = txName.vValue;
if ((nHeight + GetDisplayExpirationDepth(nHeight) - pindexBest->nHeight <= 0)
|| txPos.IsNull()