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annotate main.h @ 3:42e17b2b47a4 draft

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author sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
date Thu, 24 Sep 2009 04:09:56 +0000 (2009-09-24)
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children f718bedded34
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1 // Copyright (c) 2009 Satoshi Nakamoto
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2 // Distributed under the MIT/X11 software license, see the accompanying
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3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
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5 class COutPoint;
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6 class CInPoint;
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7 class CDiskTxPos;
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8 class CCoinBase;
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9 class CTxIn;
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10 class CTxOut;
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11 class CTransaction;
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12 class CBlock;
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13 class CBlockIndex;
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14 class CWalletTx;
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15 class CKeyItem;
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17 static const unsigned int MAX_SIZE = 0x02000000;
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18 static const int64 COIN = 100000000;
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19 static const int64 CENT = 1000000;
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20 static const int COINBASE_MATURITY = 100;
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22 static const CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
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29 extern CCriticalSection cs_main;
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30 extern map<uint256, CBlockIndex*> mapBlockIndex;
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31 extern const uint256 hashGenesisBlock;
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32 extern CBlockIndex* pindexGenesisBlock;
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33 extern int nBestHeight;
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34 extern uint256 hashBestChain;
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35 extern CBlockIndex* pindexBest;
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36 extern unsigned int nTransactionsUpdated;
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37 extern string strSetDataDir;
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38 extern int nDropMessagesTest;
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40 // Settings
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41 extern int fGenerateBitcoins;
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42 extern int64 nTransactionFee;
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43 extern CAddress addrIncoming;
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50 string GetAppDir();
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51 bool CheckDiskSpace(int64 nAdditionalBytes=0);
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52 FILE* OpenBlockFile(unsigned int nFile, unsigned int nBlockPos, const char* pszMode="rb");
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53 FILE* AppendBlockFile(unsigned int& nFileRet);
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54 bool AddKey(const CKey& key);
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55 vector<unsigned char> GenerateNewKey();
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56 bool AddToWallet(const CWalletTx& wtxIn);
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57 void ReacceptWalletTransactions();
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58 void RelayWalletTransactions();
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59 bool LoadBlockIndex(bool fAllowNew=true);
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60 void PrintBlockTree();
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61 bool BitcoinMiner();
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62 bool ProcessMessages(CNode* pfrom);
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63 bool ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv);
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64 bool SendMessages(CNode* pto);
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65 int64 GetBalance();
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66 bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& txNew, int64& nFeeRequiredRet);
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67 bool CommitTransactionSpent(const CWalletTx& wtxNew);
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68 bool SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew);
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80 class CDiskTxPos
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81 {
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82 public:
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83 unsigned int nFile;
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84 unsigned int nBlockPos;
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85 unsigned int nTxPos;
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87 CDiskTxPos()
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88 {
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89 SetNull();
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90 }
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92 CDiskTxPos(unsigned int nFileIn, unsigned int nBlockPosIn, unsigned int nTxPosIn)
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93 {
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94 nFile = nFileIn;
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95 nBlockPos = nBlockPosIn;
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96 nTxPos = nTxPosIn;
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97 }
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99 IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
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100 void SetNull() { nFile = -1; nBlockPos = 0; nTxPos = 0; }
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101 bool IsNull() const { return (nFile == -1); }
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103 friend bool operator==(const CDiskTxPos& a, const CDiskTxPos& b)
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104 {
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105 return (a.nFile == b.nFile &&
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106 a.nBlockPos == b.nBlockPos &&
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107 a.nTxPos == b.nTxPos);
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108 }
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110 friend bool operator!=(const CDiskTxPos& a, const CDiskTxPos& b)
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111 {
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112 return !(a == b);
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113 }
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114
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115 string ToString() const
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116 {
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117 if (IsNull())
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118 return strprintf("null");
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119 else
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120 return strprintf("(nFile=%d, nBlockPos=%d, nTxPos=%d)", nFile, nBlockPos, nTxPos);
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121 }
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122
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123 void print() const
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124 {
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125 printf("%s", ToString().c_str());
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126 }
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127 };
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128
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129
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130
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131
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132 class CInPoint
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133 {
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134 public:
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135 CTransaction* ptx;
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136 unsigned int n;
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137
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138 CInPoint() { SetNull(); }
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139 CInPoint(CTransaction* ptxIn, unsigned int nIn) { ptx = ptxIn; n = nIn; }
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140 void SetNull() { ptx = NULL; n = -1; }
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141 bool IsNull() const { return (ptx == NULL && n == -1); }
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142 };
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143
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144
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145
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146
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147 class COutPoint
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148 {
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149 public:
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150 uint256 hash;
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151 unsigned int n;
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152
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153 COutPoint() { SetNull(); }
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154 COutPoint(uint256 hashIn, unsigned int nIn) { hash = hashIn; n = nIn; }
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155 IMPLEMENT_SERIALIZE( READWRITE(FLATDATA(*this)); )
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156 void SetNull() { hash = 0; n = -1; }
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157 bool IsNull() const { return (hash == 0 && n == -1); }
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158
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159 friend bool operator<(const COutPoint& a, const COutPoint& b)
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160 {
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161 return (a.hash < b.hash || (a.hash == b.hash && a.n < b.n));
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162 }
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163
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164 friend bool operator==(const COutPoint& a, const COutPoint& b)
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165 {
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166 return (a.hash == b.hash && a.n == b.n);
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167 }
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168
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169 friend bool operator!=(const COutPoint& a, const COutPoint& b)
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170 {
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171 return !(a == b);
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172 }
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173
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174 string ToString() const
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175 {
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176 return strprintf("COutPoint(%s, %d)", hash.ToString().substr(0,6).c_str(), n);
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177 }
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178
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179 void print() const
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180 {
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181 printf("%s\n", ToString().c_str());
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182 }
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183 };
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184
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185
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186
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187
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188 //
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189 // An input of a transaction. It contains the location of the previous
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190 // transaction's output that it claims and a signature that matches the
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191 // output's public key.
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192 //
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193 class CTxIn
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194 {
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195 public:
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196 COutPoint prevout;
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197 CScript scriptSig;
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198 unsigned int nSequence;
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199
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200 CTxIn()
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201 {
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202 nSequence = UINT_MAX;
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203 }
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204
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205 explicit CTxIn(COutPoint prevoutIn, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=UINT_MAX)
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206 {
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207 prevout = prevoutIn;
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208 scriptSig = scriptSigIn;
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209 nSequence = nSequenceIn;
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210 }
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211
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212 CTxIn(uint256 hashPrevTx, unsigned int nOut, CScript scriptSigIn=CScript(), unsigned int nSequenceIn=UINT_MAX)
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213 {
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214 prevout = COutPoint(hashPrevTx, nOut);
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215 scriptSig = scriptSigIn;
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216 nSequence = nSequenceIn;
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217 }
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218
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219 IMPLEMENT_SERIALIZE
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220 (
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221 READWRITE(prevout);
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222 READWRITE(scriptSig);
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223 READWRITE(nSequence);
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224 )
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225
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226 bool IsFinal() const
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227 {
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228 return (nSequence == UINT_MAX);
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229 }
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230
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231 friend bool operator==(const CTxIn& a, const CTxIn& b)
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232 {
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233 return (a.prevout == b.prevout &&
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234 a.scriptSig == b.scriptSig &&
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235 a.nSequence == b.nSequence);
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236 }
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237
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238 friend bool operator!=(const CTxIn& a, const CTxIn& b)
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239 {
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240 return !(a == b);
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241 }
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242
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243 string ToString() const
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244 {
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245 string str;
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246 str += strprintf("CTxIn(");
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247 str += prevout.ToString();
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248 if (prevout.IsNull())
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249 str += strprintf(", coinbase %s", HexStr(scriptSig.begin(), scriptSig.end(), false).c_str());
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250 else
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251 str += strprintf(", scriptSig=%s", scriptSig.ToString().substr(0,24).c_str());
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252 if (nSequence != UINT_MAX)
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253 str += strprintf(", nSequence=%u", nSequence);
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254 str += ")";
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255 return str;
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256 }
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257
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258 void print() const
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259 {
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260 printf("%s\n", ToString().c_str());
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261 }
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262
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263 bool IsMine() const;
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264 int64 GetDebit() const;
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265 };
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266
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267
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268
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269
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270 //
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271 // An output of a transaction. It contains the public key that the next input
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272 // must be able to sign with to claim it.
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273 //
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274 class CTxOut
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275 {
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276 public:
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277 int64 nValue;
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278 CScript scriptPubKey;
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279
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280 public:
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281 CTxOut()
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282 {
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283 SetNull();
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284 }
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285
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286 CTxOut(int64 nValueIn, CScript scriptPubKeyIn)
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287 {
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288 nValue = nValueIn;
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289 scriptPubKey = scriptPubKeyIn;
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290 }
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291
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292 IMPLEMENT_SERIALIZE
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293 (
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294 READWRITE(nValue);
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295 READWRITE(scriptPubKey);
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296 )
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297
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298 void SetNull()
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299 {
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300 nValue = -1;
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301 scriptPubKey.clear();
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302 }
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303
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304 bool IsNull()
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305 {
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306 return (nValue == -1);
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307 }
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308
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309 uint256 GetHash() const
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310 {
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311 return SerializeHash(*this);
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312 }
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313
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314 bool IsMine() const
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315 {
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316 return ::IsMine(scriptPubKey);
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317 }
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318
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319 int64 GetCredit() const
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320 {
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321 if (IsMine())
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322 return nValue;
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323 return 0;
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324 }
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325
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326 friend bool operator==(const CTxOut& a, const CTxOut& b)
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327 {
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328 return (a.nValue == b.nValue &&
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329 a.scriptPubKey == b.scriptPubKey);
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330 }
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331
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332 friend bool operator!=(const CTxOut& a, const CTxOut& b)
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333 {
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334 return !(a == b);
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335 }
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336
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337 string ToString() const
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338 {
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339 if (scriptPubKey.size() < 6)
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340 return "CTxOut(error)";
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341 return strprintf("CTxOut(nValue=%I64d.%08I64d, scriptPubKey=%s)", nValue / COIN, nValue % COIN, scriptPubKey.ToString().substr(0,24).c_str());
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342 }
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343
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344 void print() const
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345 {
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346 printf("%s\n", ToString().c_str());
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347 }
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348 };
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349
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350
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351
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352
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353 //
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354 // The basic transaction that is broadcasted on the network and contained in
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355 // blocks. A transaction can contain multiple inputs and outputs.
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356 //
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357 class CTransaction
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358 {
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359 public:
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360 int nVersion;
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361 vector<CTxIn> vin;
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362 vector<CTxOut> vout;
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363 int nLockTime;
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364
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365
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366 CTransaction()
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367 {
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368 SetNull();
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369 }
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370
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371 IMPLEMENT_SERIALIZE
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372 (
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373 READWRITE(this->nVersion);
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374 nVersion = this->nVersion;
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375 READWRITE(vin);
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376 READWRITE(vout);
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377 READWRITE(nLockTime);
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378 )
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379
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380 void SetNull()
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381 {
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382 nVersion = 1;
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383 vin.clear();
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384 vout.clear();
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385 nLockTime = 0;
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386 }
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387
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388 bool IsNull() const
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389 {
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390 return (vin.empty() && vout.empty());
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391 }
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392
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393 uint256 GetHash() const
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394 {
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395 return SerializeHash(*this);
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396 }
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397
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398 bool IsFinal() const
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399 {
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400 if (nLockTime == 0 || nLockTime < nBestHeight)
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401 return true;
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402 foreach(const CTxIn& txin, vin)
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403 if (!txin.IsFinal())
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404 return false;
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405 return true;
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406 }
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407
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408 bool IsNewerThan(const CTransaction& old) const
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409 {
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410 if (vin.size() != old.vin.size())
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411 return false;
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412 for (int i = 0; i < vin.size(); i++)
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413 if (vin[i].prevout != old.vin[i].prevout)
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414 return false;
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415
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416 bool fNewer = false;
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417 unsigned int nLowest = UINT_MAX;
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418 for (int i = 0; i < vin.size(); i++)
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419 {
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420 if (vin[i].nSequence != old.vin[i].nSequence)
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421 {
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422 if (vin[i].nSequence <= nLowest)
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423 {
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424 fNewer = false;
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425 nLowest = vin[i].nSequence;
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426 }
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427 if (old.vin[i].nSequence < nLowest)
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428 {
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429 fNewer = true;
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430 nLowest = old.vin[i].nSequence;
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431 }
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432 }
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433 }
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434 return fNewer;
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435 }
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436
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437 bool IsCoinBase() const
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438 {
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439 return (vin.size() == 1 && vin[0].prevout.IsNull());
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440 }
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441
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442 bool CheckTransaction() const
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443 {
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444 // Basic checks that don't depend on any context
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445 if (vin.empty() || vout.empty())
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446 return error("CTransaction::CheckTransaction() : vin or vout empty");
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447
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448 // Check for negative values
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449 foreach(const CTxOut& txout, vout)
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450 if (txout.nValue < 0)
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451 return error("CTransaction::CheckTransaction() : txout.nValue negative");
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452
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453 if (IsCoinBase())
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454 {
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455 if (vin[0].scriptSig.size() < 2 || vin[0].scriptSig.size() > 100)
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456 return error("CTransaction::CheckTransaction() : coinbase script size");
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diff changeset
457 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
458 else
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
459 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
460 foreach(const CTxIn& txin, vin)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
461 if (txin.prevout.IsNull())
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
462 return error("CTransaction::CheckTransaction() : prevout is null");
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diff changeset
463 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
464
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diff changeset
465 return true;
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466 }
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diff changeset
467
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
468 bool IsMine() const
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
469 {
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470 foreach(const CTxOut& txout, vout)
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471 if (txout.IsMine())
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472 return true;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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473 return false;
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474 }
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475
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diff changeset
476 int64 GetDebit() const
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477 {
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478 int64 nDebit = 0;
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479 foreach(const CTxIn& txin, vin)
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480 nDebit += txin.GetDebit();
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diff changeset
481 return nDebit;
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482 }
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diff changeset
483
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diff changeset
484 int64 GetCredit() const
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diff changeset
485 {
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486 int64 nCredit = 0;
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diff changeset
487 foreach(const CTxOut& txout, vout)
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diff changeset
488 nCredit += txout.GetCredit();
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489 return nCredit;
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490 }
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diff changeset
491
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492 int64 GetValueOut() const
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493 {
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diff changeset
494 int64 nValueOut = 0;
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diff changeset
495 foreach(const CTxOut& txout, vout)
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diff changeset
496 {
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diff changeset
497 if (txout.nValue < 0)
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498 throw runtime_error("CTransaction::GetValueOut() : negative value");
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499 nValueOut += txout.nValue;
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500 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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501 return nValueOut;
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502 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
503
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diff changeset
504 int64 GetMinFee(bool fDiscount=false) const
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505 {
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diff changeset
506 // Base fee is 1 cent per kilobyte
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507 unsigned int nBytes = ::GetSerializeSize(*this, SER_NETWORK);
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508 int64 nMinFee = (1 + (int64)nBytes / 1000) * CENT;
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509
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diff changeset
510 // First 100 transactions in a block are free
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511 if (fDiscount && nBytes < 10000)
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diff changeset
512 nMinFee = 0;
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diff changeset
513
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514 // To limit dust spam, require a 0.01 fee if any output is less than 0.01
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diff changeset
515 if (nMinFee < CENT)
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diff changeset
516 foreach(const CTxOut& txout, vout)
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diff changeset
517 if (txout.nValue < CENT)
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diff changeset
518 nMinFee = CENT;
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diff changeset
519
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diff changeset
520 return nMinFee;
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diff changeset
521 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
522
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diff changeset
523
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diff changeset
524
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
525 bool ReadFromDisk(CDiskTxPos pos, FILE** pfileRet=NULL)
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diff changeset
526 {
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527 CAutoFile filein = OpenBlockFile(pos.nFile, 0, pfileRet ? "rb+" : "rb");
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diff changeset
528 if (!filein)
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diff changeset
529 return error("CTransaction::ReadFromDisk() : OpenBlockFile failed");
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diff changeset
530
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531 // Read transaction
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532 if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
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diff changeset
533 return error("CTransaction::ReadFromDisk() : fseek failed");
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534 filein >> *this;
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diff changeset
535
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diff changeset
536 // Return file pointer
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diff changeset
537 if (pfileRet)
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parents:
diff changeset
538 {
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diff changeset
539 if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
540 return error("CTransaction::ReadFromDisk() : second fseek failed");
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diff changeset
541 *pfileRet = filein.release();
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diff changeset
542 }
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543 return true;
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544 }
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545
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diff changeset
546
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547 friend bool operator==(const CTransaction& a, const CTransaction& b)
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548 {
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diff changeset
549 return (a.nVersion == b.nVersion &&
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diff changeset
550 a.vin == b.vin &&
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diff changeset
551 a.vout == b.vout &&
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diff changeset
552 a.nLockTime == b.nLockTime);
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553 }
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554
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diff changeset
555 friend bool operator!=(const CTransaction& a, const CTransaction& b)
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diff changeset
556 {
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557 return !(a == b);
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diff changeset
558 }
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559
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560
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diff changeset
561 string ToString() const
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562 {
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diff changeset
563 string str;
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564 str += strprintf("CTransaction(hash=%s, ver=%d, vin.size=%d, vout.size=%d, nLockTime=%d)\n",
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diff changeset
565 GetHash().ToString().substr(0,6).c_str(),
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566 nVersion,
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567 vin.size(),
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568 vout.size(),
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569 nLockTime);
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diff changeset
570 for (int i = 0; i < vin.size(); i++)
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diff changeset
571 str += " " + vin[i].ToString() + "\n";
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diff changeset
572 for (int i = 0; i < vout.size(); i++)
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diff changeset
573 str += " " + vout[i].ToString() + "\n";
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diff changeset
574 return str;
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575 }
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576
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577 void print() const
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578 {
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579 printf("%s", ToString().c_str());
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580 }
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581
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582
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583
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diff changeset
584 bool DisconnectInputs(CTxDB& txdb);
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585 bool ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx, int nHeight, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee=0);
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586 bool ClientConnectInputs();
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587
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588 bool AcceptTransaction(CTxDB& txdb, bool fCheckInputs=true, bool* pfMissingInputs=NULL);
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589
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590 bool AcceptTransaction(bool fCheckInputs=true, bool* pfMissingInputs=NULL)
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591 {
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diff changeset
592 CTxDB txdb("r");
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593 return AcceptTransaction(txdb, fCheckInputs, pfMissingInputs);
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594 }
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diff changeset
595
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596 protected:
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597 bool AddToMemoryPool();
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598 public:
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599 bool RemoveFromMemoryPool();
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600 };
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diff changeset
601
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diff changeset
602
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diff changeset
603
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diff changeset
604
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diff changeset
605
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diff changeset
606 //
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diff changeset
607 // A transaction with a merkle branch linking it to the block chain
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diff changeset
608 //
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diff changeset
609 class CMerkleTx : public CTransaction
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610 {
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diff changeset
611 public:
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diff changeset
612 uint256 hashBlock;
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613 vector<uint256> vMerkleBranch;
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diff changeset
614 int nIndex;
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diff changeset
615
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616 // memory only
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617 mutable bool fMerkleVerified;
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618
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diff changeset
619
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620 CMerkleTx()
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621 {
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622 Init();
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623 }
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diff changeset
624
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625 CMerkleTx(const CTransaction& txIn) : CTransaction(txIn)
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626 {
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627 Init();
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628 }
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629
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630 void Init()
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631 {
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632 hashBlock = 0;
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633 nIndex = -1;
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634 fMerkleVerified = false;
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635 }
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diff changeset
636
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637 int64 GetCredit() const
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638 {
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639 // Must wait until coinbase is safely deep enough in the chain before valuing it
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640 if (IsCoinBase() && GetBlocksToMaturity() > 0)
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641 return 0;
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642 return CTransaction::GetCredit();
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643 }
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644
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645 IMPLEMENT_SERIALIZE
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diff changeset
646 (
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diff changeset
647 nSerSize += SerReadWrite(s, *(CTransaction*)this, nType, nVersion, ser_action);
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648 nVersion = this->nVersion;
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649 READWRITE(hashBlock);
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650 READWRITE(vMerkleBranch);
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651 READWRITE(nIndex);
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652 )
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653
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654
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diff changeset
655 int SetMerkleBranch(const CBlock* pblock=NULL);
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656 int GetDepthInMainChain() const;
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657 bool IsInMainChain() const { return GetDepthInMainChain() > 0; }
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658 int GetBlocksToMaturity() const;
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659 bool AcceptTransaction(CTxDB& txdb, bool fCheckInputs=true);
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660 bool AcceptTransaction() { CTxDB txdb("r"); return AcceptTransaction(txdb); }
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661 };
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662
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663
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664
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665
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666 //
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667 // A transaction with a bunch of additional info that only the owner cares
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668 // about. It includes any unrecorded transactions needed to link it back
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669 // to the block chain.
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670 //
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671 class CWalletTx : public CMerkleTx
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672 {
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673 public:
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674 vector<CMerkleTx> vtxPrev;
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675 map<string, string> mapValue;
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676 vector<pair<string, string> > vOrderForm;
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677 unsigned int fTimeReceivedIsTxTime;
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678 unsigned int nTimeReceived; // time received by this node
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679 char fFromMe;
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680 char fSpent;
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681 //// probably need to sign the order info so know it came from payer
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682
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683 // memory only
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684 mutable unsigned int nTimeDisplayed;
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diff changeset
685
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diff changeset
686
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diff changeset
687 CWalletTx()
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diff changeset
688 {
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diff changeset
689 Init();
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diff changeset
690 }
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diff changeset
691
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diff changeset
692 CWalletTx(const CMerkleTx& txIn) : CMerkleTx(txIn)
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diff changeset
693 {
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diff changeset
694 Init();
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diff changeset
695 }
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diff changeset
696
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diff changeset
697 CWalletTx(const CTransaction& txIn) : CMerkleTx(txIn)
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diff changeset
698 {
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diff changeset
699 Init();
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700 }
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diff changeset
701
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diff changeset
702 void Init()
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diff changeset
703 {
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diff changeset
704 fTimeReceivedIsTxTime = false;
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diff changeset
705 nTimeReceived = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
706 fFromMe = false;
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diff changeset
707 fSpent = false;
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diff changeset
708 nTimeDisplayed = 0;
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diff changeset
709 }
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diff changeset
710
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
711 IMPLEMENT_SERIALIZE
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diff changeset
712 (
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diff changeset
713 nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion, ser_action);
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diff changeset
714 nVersion = this->nVersion;
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diff changeset
715 READWRITE(vtxPrev);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
716 READWRITE(mapValue);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
717 READWRITE(vOrderForm);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
718 READWRITE(fTimeReceivedIsTxTime);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
719 READWRITE(nTimeReceived);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
720 READWRITE(fFromMe);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
721 READWRITE(fSpent);
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diff changeset
722 )
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
723
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
724 bool WriteToDisk()
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
725 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
726 return CWalletDB().WriteTx(GetHash(), *this);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
727 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
728
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
729
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
730 int64 GetTxTime() const;
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diff changeset
731
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
732 void AddSupportingTransactions(CTxDB& txdb);
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diff changeset
733
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
734 bool AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs=true);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
735 bool AcceptWalletTransaction() { CTxDB txdb("r"); return AcceptWalletTransaction(txdb); }
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diff changeset
736
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
737 void RelayWalletTransaction(CTxDB& txdb);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
738 void RelayWalletTransaction() { CTxDB txdb("r"); RelayWalletTransaction(txdb); }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
739 };
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
740
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
741
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
742
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
743
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
744 //
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
745 // A txdb record that contains the disk location of a transaction and the
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
746 // locations of transactions that spend its outputs. vSpent is really only
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
747 // used as a flag, but having the location is very helpful for debugging.
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
748 //
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
749 class CTxIndex
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
750 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
751 public:
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
752 CDiskTxPos pos;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
753 vector<CDiskTxPos> vSpent;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
754
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
755 CTxIndex()
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
756 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
757 SetNull();
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
758 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
759
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
760 CTxIndex(const CDiskTxPos& posIn, unsigned int nOutputs)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
761 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
762 pos = posIn;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
763 vSpent.resize(nOutputs);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
764 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
765
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
766 IMPLEMENT_SERIALIZE
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
767 (
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
768 if (!(nType & SER_GETHASH))
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
769 READWRITE(nVersion);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
770 READWRITE(pos);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
771 READWRITE(vSpent);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
772 )
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
773
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
774 void SetNull()
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
775 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
776 pos.SetNull();
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
777 vSpent.clear();
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diff changeset
778 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
779
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
780 bool IsNull()
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diff changeset
781 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
782 return pos.IsNull();
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diff changeset
783 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
784
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
785 friend bool operator==(const CTxIndex& a, const CTxIndex& b)
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786 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
787 if (a.pos != b.pos || a.vSpent.size() != b.vSpent.size())
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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788 return false;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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789 for (int i = 0; i < a.vSpent.size(); i++)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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790 if (a.vSpent[i] != b.vSpent[i])
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
791 return false;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
792 return true;
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diff changeset
793 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
794
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
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795 friend bool operator!=(const CTxIndex& a, const CTxIndex& b)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
796 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
797 return !(a == b);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
798 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
799 };
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
800
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
801
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
802
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
803
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
804
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
805 //
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
806 // Nodes collect new transactions into a block, hash them into a hash tree,
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
807 // and scan through nonce values to make the block's hash satisfy proof-of-work
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
808 // requirements. When they solve the proof-of-work, they broadcast the block
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
809 // to everyone and the block is added to the block chain. The first transaction
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
810 // in the block is a special one that creates a new coin owned by the creator
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
811 // of the block.
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
812 //
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
813 // Blocks are appended to blk0001.dat files on disk. Their location on disk
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
814 // is indexed by CBlockIndex objects in memory.
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
815 //
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
816 class CBlock
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
817 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
818 public:
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
819 // header
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
820 int nVersion;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
821 uint256 hashPrevBlock;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
822 uint256 hashMerkleRoot;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
823 unsigned int nTime;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
824 unsigned int nBits;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
825 unsigned int nNonce;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
826
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
827 // network and disk
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
828 vector<CTransaction> vtx;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
829
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
830 // memory only
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
831 mutable vector<uint256> vMerkleTree;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
832
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
833
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
834 CBlock()
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
835 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
836 SetNull();
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
837 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
838
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
839 IMPLEMENT_SERIALIZE
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
840 (
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
841 READWRITE(this->nVersion);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
842 nVersion = this->nVersion;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
843 READWRITE(hashPrevBlock);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
844 READWRITE(hashMerkleRoot);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
845 READWRITE(nTime);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
846 READWRITE(nBits);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
847 READWRITE(nNonce);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
848
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
849 // ConnectBlock depends on vtx being last so it can calculate offset
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
850 if (!(nType & (SER_GETHASH|SER_BLOCKHEADERONLY)))
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
851 READWRITE(vtx);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
852 else if (fRead)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
853 const_cast<CBlock*>(this)->vtx.clear();
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
854 )
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
855
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
856 void SetNull()
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
857 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
858 nVersion = 1;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
859 hashPrevBlock = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
860 hashMerkleRoot = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
861 nTime = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
862 nBits = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
863 nNonce = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
864 vtx.clear();
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
865 vMerkleTree.clear();
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
866 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
867
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
868 bool IsNull() const
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
869 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
870 return (nBits == 0);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
871 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
872
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
873 uint256 GetHash() const
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
874 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
875 return Hash(BEGIN(nVersion), END(nNonce));
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
876 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
877
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
878
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
879 uint256 BuildMerkleTree() const
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
880 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
881 vMerkleTree.clear();
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
882 foreach(const CTransaction& tx, vtx)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
883 vMerkleTree.push_back(tx.GetHash());
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
884 int j = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
885 for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
886 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
887 for (int i = 0; i < nSize; i += 2)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
888 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
889 int i2 = min(i+1, nSize-1);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
890 vMerkleTree.push_back(Hash(BEGIN(vMerkleTree[j+i]), END(vMerkleTree[j+i]),
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
891 BEGIN(vMerkleTree[j+i2]), END(vMerkleTree[j+i2])));
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
892 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
893 j += nSize;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
894 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
895 return (vMerkleTree.empty() ? 0 : vMerkleTree.back());
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
896 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
897
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
898 vector<uint256> GetMerkleBranch(int nIndex) const
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
899 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
900 if (vMerkleTree.empty())
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
901 BuildMerkleTree();
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
902 vector<uint256> vMerkleBranch;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
903 int j = 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
904 for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
905 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
906 int i = min(nIndex^1, nSize-1);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
907 vMerkleBranch.push_back(vMerkleTree[j+i]);
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
908 nIndex >>= 1;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
909 j += nSize;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
910 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
911 return vMerkleBranch;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
912 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
913
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
914 static uint256 CheckMerkleBranch(uint256 hash, const vector<uint256>& vMerkleBranch, int nIndex)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
915 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
916 if (nIndex == -1)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
917 return 0;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
918 foreach(const uint256& otherside, vMerkleBranch)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
919 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
920 if (nIndex & 1)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
921 hash = Hash(BEGIN(otherside), END(otherside), BEGIN(hash), END(hash));
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
922 else
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
923 hash = Hash(BEGIN(hash), END(hash), BEGIN(otherside), END(otherside));
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
924 nIndex >>= 1;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
925 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
926 return hash;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
927 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
928
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
929
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
930 bool WriteToDisk(bool fWriteTransactions, unsigned int& nFileRet, unsigned int& nBlockPosRet)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
931 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
932 // Open history file to append
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
933 CAutoFile fileout = AppendBlockFile(nFileRet);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
934 if (!fileout)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
935 return error("CBlock::WriteToDisk() : AppendBlockFile failed");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
936 if (!fWriteTransactions)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
937 fileout.nType |= SER_BLOCKHEADERONLY;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
938
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
939 // Write index header
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
940 unsigned int nSize = fileout.GetSerializeSize(*this);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
941 fileout << FLATDATA(pchMessageStart) << nSize;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
942
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
943 // Write block
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
944 nBlockPosRet = ftell(fileout);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
945 if (nBlockPosRet == -1)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
946 return error("CBlock::WriteToDisk() : ftell failed");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
947 fileout << *this;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
948
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
949 return true;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
950 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
951
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
952 bool ReadFromDisk(unsigned int nFile, unsigned int nBlockPos, bool fReadTransactions)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
953 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
954 SetNull();
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
955
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
956 // Open history file to read
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
957 CAutoFile filein = OpenBlockFile(nFile, nBlockPos, "rb");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
958 if (!filein)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
959 return error("CBlock::ReadFromDisk() : OpenBlockFile failed");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
960 if (!fReadTransactions)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
961 filein.nType |= SER_BLOCKHEADERONLY;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
962
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
963 // Read block
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
964 filein >> *this;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
965
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
966 // Check the header
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
967 if (CBigNum().SetCompact(nBits) > bnProofOfWorkLimit)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
968 return error("CBlock::ReadFromDisk() : nBits errors in block header");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
969 if (GetHash() > CBigNum().SetCompact(nBits).getuint256())
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
970 return error("CBlock::ReadFromDisk() : GetHash() errors in block header");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
971
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
972 return true;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
973 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
974
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
975
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
976
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
977 void print() const
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
978 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
979 printf("CBlock(hash=%s, ver=%d, hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%u, nBits=%08x, nNonce=%u, vtx=%d)\n",
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
980 GetHash().ToString().substr(0,14).c_str(),
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
981 nVersion,
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
982 hashPrevBlock.ToString().substr(0,14).c_str(),
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
983 hashMerkleRoot.ToString().substr(0,6).c_str(),
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
984 nTime, nBits, nNonce,
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
985 vtx.size());
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
986 for (int i = 0; i < vtx.size(); i++)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
987 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
988 printf(" ");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
989 vtx[i].print();
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
990 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
991 printf(" vMerkleTree: ");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
992 for (int i = 0; i < vMerkleTree.size(); i++)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
993 printf("%s ", vMerkleTree[i].ToString().substr(0,6).c_str());
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
994 printf("\n");
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
995 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
996
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
997
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
998 int64 GetBlockValue(int64 nFees) const;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
999 bool DisconnectBlock(CTxDB& txdb, CBlockIndex* pindex);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1000 bool ConnectBlock(CTxDB& txdb, CBlockIndex* pindex);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1001 bool ReadFromDisk(const CBlockIndex* blockindex, bool fReadTransactions);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1002 bool AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1003 bool CheckBlock() const;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1004 bool AcceptBlock();
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1005 };
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1006
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1007
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1008
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1009
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1010
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1011
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1012 //
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1013 // The block chain is a tree shaped structure starting with the
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1014 // genesis block at the root, with each block potentially having multiple
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1015 // candidates to be the next block. pprev and pnext link a path through the
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1016 // main/longest chain. A blockindex may have multiple pprev pointing back
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1017 // to it, but pnext will only point forward to the longest branch, or will
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1018 // be null if the block is not part of the longest chain.
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1019 //
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1020 class CBlockIndex
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1021 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1022 public:
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1023 const uint256* phashBlock;
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diff changeset
1024 CBlockIndex* pprev;
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diff changeset
1025 CBlockIndex* pnext;
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diff changeset
1026 unsigned int nFile;
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diff changeset
1027 unsigned int nBlockPos;
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diff changeset
1028 int nHeight;
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diff changeset
1029
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diff changeset
1030 // block header
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diff changeset
1031 int nVersion;
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diff changeset
1032 uint256 hashMerkleRoot;
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1033 unsigned int nTime;
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diff changeset
1034 unsigned int nBits;
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diff changeset
1035 unsigned int nNonce;
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1036
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1037
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diff changeset
1038 CBlockIndex()
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diff changeset
1039 {
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1040 phashBlock = NULL;
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1041 pprev = NULL;
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diff changeset
1042 pnext = NULL;
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1043 nFile = 0;
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1044 nBlockPos = 0;
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1045 nHeight = 0;
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diff changeset
1046
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1047 nVersion = 0;
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diff changeset
1048 hashMerkleRoot = 0;
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1049 nTime = 0;
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1050 nBits = 0;
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1051 nNonce = 0;
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1052 }
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1053
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diff changeset
1054 CBlockIndex(unsigned int nFileIn, unsigned int nBlockPosIn, CBlock& block)
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diff changeset
1055 {
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diff changeset
1056 phashBlock = NULL;
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diff changeset
1057 pprev = NULL;
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1058 pnext = NULL;
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1059 nFile = nFileIn;
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1060 nBlockPos = nBlockPosIn;
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diff changeset
1061 nHeight = 0;
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diff changeset
1062
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1063 nVersion = block.nVersion;
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1064 hashMerkleRoot = block.hashMerkleRoot;
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1065 nTime = block.nTime;
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1066 nBits = block.nBits;
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diff changeset
1067 nNonce = block.nNonce;
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diff changeset
1068 }
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diff changeset
1069
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diff changeset
1070 uint256 GetBlockHash() const
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diff changeset
1071 {
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diff changeset
1072 return *phashBlock;
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1073 }
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1074
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1075 bool IsInMainChain() const
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1076 {
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diff changeset
1077 return (pnext || this == pindexBest);
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1078 }
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1079
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1080 bool EraseBlockFromDisk()
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1081 {
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1082 // Open history file
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1083 CAutoFile fileout = OpenBlockFile(nFile, nBlockPos, "rb+");
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1084 if (!fileout)
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1085 return false;
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diff changeset
1086
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diff changeset
1087 // Overwrite with empty null block
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1088 CBlock block;
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diff changeset
1089 block.SetNull();
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1090 fileout << block;
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diff changeset
1091
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1092 return true;
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diff changeset
1093 }
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diff changeset
1094
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diff changeset
1095 enum { nMedianTimeSpan=11 };
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diff changeset
1096
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diff changeset
1097 int64 GetMedianTimePast() const
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diff changeset
1098 {
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diff changeset
1099 unsigned int pmedian[nMedianTimeSpan];
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1100 unsigned int* pbegin = &pmedian[nMedianTimeSpan];
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diff changeset
1101 unsigned int* pend = &pmedian[nMedianTimeSpan];
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1102
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1103 const CBlockIndex* pindex = this;
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1104 for (int i = 0; i < nMedianTimeSpan && pindex; i++, pindex = pindex->pprev)
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1105 *(--pbegin) = pindex->nTime;
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1106
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1107 sort(pbegin, pend);
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1108 return pbegin[(pend - pbegin)/2];
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1109 }
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1110
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1111 int64 GetMedianTime() const
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1112 {
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1113 const CBlockIndex* pindex = this;
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1114 for (int i = 0; i < nMedianTimeSpan/2; i++)
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1115 {
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1116 if (!pindex->pnext)
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1117 return nTime;
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1118 pindex = pindex->pnext;
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1119 }
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1120 return pindex->GetMedianTimePast();
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1121 }
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1122
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1123
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1124
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1125 string ToString() const
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1126 {
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1127 return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nHeight=%d, merkle=%s, hashBlock=%s)",
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1128 pprev, pnext, nFile, nBlockPos, nHeight,
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1129 hashMerkleRoot.ToString().substr(0,6).c_str(),
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1130 GetBlockHash().ToString().substr(0,14).c_str());
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1131 }
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1132
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1133 void print() const
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1134 {
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1135 printf("%s\n", ToString().c_str());
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1136 }
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parents:
diff changeset
1137 };
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1138
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1139
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1140
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1141 //
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1142 // Used to marshal pointers into hashes for db storage.
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1143 //
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1144 class CDiskBlockIndex : public CBlockIndex
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1145 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1146 public:
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1147 uint256 hashPrev;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1148 uint256 hashNext;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1149
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1150 CDiskBlockIndex()
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1151 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1152 hashPrev = 0;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1153 hashNext = 0;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1154 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1155
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1156 explicit CDiskBlockIndex(CBlockIndex* pindex) : CBlockIndex(*pindex)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1157 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1158 hashPrev = (pprev ? pprev->GetBlockHash() : 0);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1159 hashNext = (pnext ? pnext->GetBlockHash() : 0);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1160 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1161
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1162 IMPLEMENT_SERIALIZE
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1163 (
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1164 if (!(nType & SER_GETHASH))
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1165 READWRITE(nVersion);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1166
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1167 READWRITE(hashNext);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1168 READWRITE(nFile);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1169 READWRITE(nBlockPos);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1170 READWRITE(nHeight);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1171
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1172 // block header
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1173 READWRITE(this->nVersion);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1174 READWRITE(hashPrev);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1175 READWRITE(hashMerkleRoot);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1176 READWRITE(nTime);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1177 READWRITE(nBits);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1178 READWRITE(nNonce);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1179 )
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1180
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1181 uint256 GetBlockHash() const
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1182 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1183 CBlock block;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1184 block.nVersion = nVersion;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1185 block.hashPrevBlock = hashPrev;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1186 block.hashMerkleRoot = hashMerkleRoot;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1187 block.nTime = nTime;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1188 block.nBits = nBits;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1189 block.nNonce = nNonce;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1190 return block.GetHash();
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1191 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1192
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1193
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1194 string ToString() const
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1195 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1196 string str = "CDiskBlockIndex(";
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1197 str += CBlockIndex::ToString();
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1198 str += strprintf("\n hashBlock=%s, hashPrev=%s, hashNext=%s)",
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1199 GetBlockHash().ToString().c_str(),
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1200 hashPrev.ToString().substr(0,14).c_str(),
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1201 hashNext.ToString().substr(0,14).c_str());
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1202 return str;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1203 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1204
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1205 void print() const
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1206 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1207 printf("%s\n", ToString().c_str());
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1208 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1209 };
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1210
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1211
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1212
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1213
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1214
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1215
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1216
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1217
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1218 //
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1219 // Describes a place in the block chain to another node such that if the
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1220 // other node doesn't have the same branch, it can find a recent common trunk.
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1221 // The further back it is, the further before the fork it may be.
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1222 //
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1223 class CBlockLocator
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1224 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1225 protected:
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1226 vector<uint256> vHave;
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1227 public:
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1228
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1229 CBlockLocator()
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1230 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1231 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1232
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1233 explicit CBlockLocator(const CBlockIndex* pindex)
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1234 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1235 Set(pindex);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1236 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1237
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1238 explicit CBlockLocator(uint256 hashBlock)
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1239 {
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1240 map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1241 if (mi != mapBlockIndex.end())
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1242 Set((*mi).second);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1243 }
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1244
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1245 IMPLEMENT_SERIALIZE
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1246 (
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1247 if (!(nType & SER_GETHASH))
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1248 READWRITE(nVersion);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1249 READWRITE(vHave);
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1250 )
f5bbb2375e0b First commit
sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1251
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
parents:
diff changeset
1252 void Set(const CBlockIndex* pindex)
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diff changeset
1253 {
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diff changeset
1254 vHave.clear();
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diff changeset
1255 int nStep = 1;
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diff changeset
1256 while (pindex)
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diff changeset
1257 {
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diff changeset
1258 vHave.push_back(pindex->GetBlockHash());
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diff changeset
1259
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diff changeset
1260 // Exponentially larger steps back
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diff changeset
1261 for (int i = 0; pindex && i < nStep; i++)
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diff changeset
1262 pindex = pindex->pprev;
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diff changeset
1263 if (vHave.size() > 10)
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diff changeset
1264 nStep *= 2;
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diff changeset
1265 }
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diff changeset
1266 vHave.push_back(hashGenesisBlock);
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diff changeset
1267 }
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diff changeset
1268
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diff changeset
1269 CBlockIndex* GetBlockIndex()
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diff changeset
1270 {
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diff changeset
1271 // Find the first block the caller has in the main chain
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diff changeset
1272 foreach(const uint256& hash, vHave)
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diff changeset
1273 {
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diff changeset
1274 map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash);
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diff changeset
1275 if (mi != mapBlockIndex.end())
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diff changeset
1276 {
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diff changeset
1277 CBlockIndex* pindex = (*mi).second;
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diff changeset
1278 if (pindex->IsInMainChain())
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diff changeset
1279 return pindex;
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diff changeset
1280 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1281 }
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1282 return pindexGenesisBlock;
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diff changeset
1283 }
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diff changeset
1284
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diff changeset
1285 uint256 GetBlockHash()
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diff changeset
1286 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1287 // Find the first block the caller has in the main chain
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diff changeset
1288 foreach(const uint256& hash, vHave)
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diff changeset
1289 {
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diff changeset
1290 map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash);
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diff changeset
1291 if (mi != mapBlockIndex.end())
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diff changeset
1292 {
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1293 CBlockIndex* pindex = (*mi).second;
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diff changeset
1294 if (pindex->IsInMainChain())
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diff changeset
1295 return hash;
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diff changeset
1296 }
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diff changeset
1297 }
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diff changeset
1298 return hashGenesisBlock;
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diff changeset
1299 }
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diff changeset
1300
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diff changeset
1301 int GetHeight()
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1302 {
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diff changeset
1303 CBlockIndex* pindex = GetBlockIndex();
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diff changeset
1304 if (!pindex)
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diff changeset
1305 return 0;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1306 return pindex->nHeight;
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diff changeset
1307 }
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diff changeset
1308 };
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diff changeset
1309
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diff changeset
1310
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diff changeset
1311
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diff changeset
1312
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diff changeset
1313
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diff changeset
1314
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diff changeset
1315
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diff changeset
1316
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diff changeset
1317
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diff changeset
1318
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diff changeset
1319
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diff changeset
1320
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diff changeset
1321 extern map<uint256, CTransaction> mapTransactions;
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diff changeset
1322 extern map<uint256, CWalletTx> mapWallet;
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diff changeset
1323 extern vector<pair<uint256, bool> > vWalletUpdated;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1324 extern CCriticalSection cs_mapWallet;
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diff changeset
1325 extern map<vector<unsigned char>, CPrivKey> mapKeys;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1326 extern map<uint160, vector<unsigned char> > mapPubKeys;
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sirius-m <sirius-m@1a98c847-1fd6-4fd8-948a-caf3550aa51b>
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diff changeset
1327 extern CCriticalSection cs_mapKeys;
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diff changeset
1328 extern CKey keyUser;