75199de534
with live update of default address in main window, New... button on main window for creating new receiving address, made receiving address labels more visible, ask user before paying transaction fee, when sending to bitcoin address also use a bitcoin address for the change, added some event.Skip() to fix UI glitches -- version 0.2.4 git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@68 1a98c847-1fd6-4fd8-948a-caf3550aa51b
642 lines
19 KiB
C++
642 lines
19 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Distributed under the MIT/X11 software license, see the accompanying
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// file license.txt or http://www.opensource.org/licenses/mit-license.php.
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class CTransaction;
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enum
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{
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SIGHASH_ALL = 1,
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SIGHASH_NONE = 2,
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SIGHASH_SINGLE = 3,
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SIGHASH_ANYONECANPAY = 0x80,
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};
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enum opcodetype
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{
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// push value
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OP_0=0,
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OP_FALSE=OP_0,
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OP_PUSHDATA1=76,
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OP_PUSHDATA2,
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OP_PUSHDATA4,
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OP_1NEGATE,
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OP_RESERVED,
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OP_1,
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OP_TRUE=OP_1,
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OP_2,
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OP_3,
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OP_4,
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OP_5,
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OP_6,
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OP_7,
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OP_8,
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OP_9,
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OP_10,
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OP_11,
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OP_12,
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OP_13,
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OP_14,
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OP_15,
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OP_16,
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// control
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OP_NOP,
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OP_VER,
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OP_IF,
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OP_NOTIF,
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OP_VERIF,
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OP_VERNOTIF,
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OP_ELSE,
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OP_ENDIF,
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OP_VERIFY,
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OP_RETURN,
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// stack ops
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OP_TOALTSTACK,
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OP_FROMALTSTACK,
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OP_2DROP,
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OP_2DUP,
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OP_3DUP,
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OP_2OVER,
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OP_2ROT,
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OP_2SWAP,
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OP_IFDUP,
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OP_DEPTH,
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OP_DROP,
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OP_DUP,
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OP_NIP,
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OP_OVER,
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OP_PICK,
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OP_ROLL,
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OP_ROT,
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OP_SWAP,
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OP_TUCK,
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// splice ops
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OP_CAT,
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OP_SUBSTR,
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OP_LEFT,
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OP_RIGHT,
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OP_SIZE,
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// bit logic
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OP_INVERT,
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OP_AND,
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OP_OR,
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OP_XOR,
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OP_EQUAL,
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OP_EQUALVERIFY,
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OP_RESERVED1,
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OP_RESERVED2,
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// numeric
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OP_1ADD,
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OP_1SUB,
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OP_2MUL,
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OP_2DIV,
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OP_NEGATE,
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OP_ABS,
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OP_NOT,
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OP_0NOTEQUAL,
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OP_ADD,
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OP_SUB,
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OP_MUL,
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OP_DIV,
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OP_MOD,
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OP_LSHIFT,
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OP_RSHIFT,
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OP_BOOLAND,
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OP_BOOLOR,
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OP_NUMEQUAL,
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OP_NUMEQUALVERIFY,
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OP_NUMNOTEQUAL,
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OP_LESSTHAN,
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OP_GREATERTHAN,
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OP_LESSTHANOREQUAL,
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OP_GREATERTHANOREQUAL,
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OP_MIN,
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OP_MAX,
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OP_WITHIN,
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// crypto
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OP_RIPEMD160,
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OP_SHA1,
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OP_SHA256,
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OP_HASH160,
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OP_HASH256,
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OP_CODESEPARATOR,
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OP_CHECKSIG,
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OP_CHECKSIGVERIFY,
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OP_CHECKMULTISIG,
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OP_CHECKMULTISIGVERIFY,
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// multi-byte opcodes
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OP_SINGLEBYTE_END = 0xF0,
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OP_DOUBLEBYTE_BEGIN = 0xF000,
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// template matching params
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OP_PUBKEY,
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OP_PUBKEYHASH,
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OP_INVALIDOPCODE = 0xFFFF,
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};
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inline const char* GetOpName(opcodetype opcode)
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{
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switch (opcode)
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{
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// push value
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case OP_0 : return "0";
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case OP_PUSHDATA1 : return "OP_PUSHDATA1";
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case OP_PUSHDATA2 : return "OP_PUSHDATA2";
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case OP_PUSHDATA4 : return "OP_PUSHDATA4";
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case OP_1NEGATE : return "-1";
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case OP_RESERVED : return "OP_RESERVED";
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case OP_1 : return "1";
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case OP_2 : return "2";
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case OP_3 : return "3";
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case OP_4 : return "4";
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case OP_5 : return "5";
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case OP_6 : return "6";
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case OP_7 : return "7";
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case OP_8 : return "8";
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case OP_9 : return "9";
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case OP_10 : return "10";
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case OP_11 : return "11";
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case OP_12 : return "12";
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case OP_13 : return "13";
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case OP_14 : return "14";
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case OP_15 : return "15";
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case OP_16 : return "16";
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// control
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case OP_NOP : return "OP_NOP";
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case OP_VER : return "OP_VER";
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case OP_IF : return "OP_IF";
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case OP_NOTIF : return "OP_NOTIF";
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case OP_VERIF : return "OP_VERIF";
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case OP_VERNOTIF : return "OP_VERNOTIF";
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case OP_ELSE : return "OP_ELSE";
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case OP_ENDIF : return "OP_ENDIF";
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case OP_VERIFY : return "OP_VERIFY";
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case OP_RETURN : return "OP_RETURN";
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// stack ops
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case OP_TOALTSTACK : return "OP_TOALTSTACK";
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case OP_FROMALTSTACK : return "OP_FROMALTSTACK";
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case OP_2DROP : return "OP_2DROP";
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case OP_2DUP : return "OP_2DUP";
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case OP_3DUP : return "OP_3DUP";
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case OP_2OVER : return "OP_2OVER";
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case OP_2ROT : return "OP_2ROT";
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case OP_2SWAP : return "OP_2SWAP";
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case OP_IFDUP : return "OP_IFDUP";
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case OP_DEPTH : return "OP_DEPTH";
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case OP_DROP : return "OP_DROP";
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case OP_DUP : return "OP_DUP";
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case OP_NIP : return "OP_NIP";
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case OP_OVER : return "OP_OVER";
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case OP_PICK : return "OP_PICK";
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case OP_ROLL : return "OP_ROLL";
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case OP_ROT : return "OP_ROT";
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case OP_SWAP : return "OP_SWAP";
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case OP_TUCK : return "OP_TUCK";
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// splice ops
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case OP_CAT : return "OP_CAT";
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case OP_SUBSTR : return "OP_SUBSTR";
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case OP_LEFT : return "OP_LEFT";
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case OP_RIGHT : return "OP_RIGHT";
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case OP_SIZE : return "OP_SIZE";
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// bit logic
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case OP_INVERT : return "OP_INVERT";
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case OP_AND : return "OP_AND";
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case OP_OR : return "OP_OR";
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case OP_XOR : return "OP_XOR";
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case OP_EQUAL : return "OP_EQUAL";
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case OP_EQUALVERIFY : return "OP_EQUALVERIFY";
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case OP_RESERVED1 : return "OP_RESERVED1";
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case OP_RESERVED2 : return "OP_RESERVED2";
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// numeric
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case OP_1ADD : return "OP_1ADD";
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case OP_1SUB : return "OP_1SUB";
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case OP_2MUL : return "OP_2MUL";
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case OP_2DIV : return "OP_2DIV";
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case OP_NEGATE : return "OP_NEGATE";
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case OP_ABS : return "OP_ABS";
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case OP_NOT : return "OP_NOT";
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case OP_0NOTEQUAL : return "OP_0NOTEQUAL";
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case OP_ADD : return "OP_ADD";
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case OP_SUB : return "OP_SUB";
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case OP_MUL : return "OP_MUL";
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case OP_DIV : return "OP_DIV";
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case OP_MOD : return "OP_MOD";
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case OP_LSHIFT : return "OP_LSHIFT";
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case OP_RSHIFT : return "OP_RSHIFT";
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case OP_BOOLAND : return "OP_BOOLAND";
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case OP_BOOLOR : return "OP_BOOLOR";
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case OP_NUMEQUAL : return "OP_NUMEQUAL";
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case OP_NUMEQUALVERIFY : return "OP_NUMEQUALVERIFY";
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case OP_NUMNOTEQUAL : return "OP_NUMNOTEQUAL";
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case OP_LESSTHAN : return "OP_LESSTHAN";
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case OP_GREATERTHAN : return "OP_GREATERTHAN";
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case OP_LESSTHANOREQUAL : return "OP_LESSTHANOREQUAL";
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case OP_GREATERTHANOREQUAL : return "OP_GREATERTHANOREQUAL";
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case OP_MIN : return "OP_MIN";
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case OP_MAX : return "OP_MAX";
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case OP_WITHIN : return "OP_WITHIN";
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// crypto
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case OP_RIPEMD160 : return "OP_RIPEMD160";
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case OP_SHA1 : return "OP_SHA1";
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case OP_SHA256 : return "OP_SHA256";
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case OP_HASH160 : return "OP_HASH160";
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case OP_HASH256 : return "OP_HASH256";
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case OP_CODESEPARATOR : return "OP_CODESEPARATOR";
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case OP_CHECKSIG : return "OP_CHECKSIG";
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case OP_CHECKSIGVERIFY : return "OP_CHECKSIGVERIFY";
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case OP_CHECKMULTISIG : return "OP_CHECKMULTISIG";
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case OP_CHECKMULTISIGVERIFY : return "OP_CHECKMULTISIGVERIFY";
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// multi-byte opcodes
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case OP_SINGLEBYTE_END : return "OP_SINGLEBYTE_END";
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case OP_DOUBLEBYTE_BEGIN : return "OP_DOUBLEBYTE_BEGIN";
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case OP_PUBKEY : return "OP_PUBKEY";
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case OP_PUBKEYHASH : return "OP_PUBKEYHASH";
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case OP_INVALIDOPCODE : return "OP_INVALIDOPCODE";
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default:
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return "UNKNOWN_OPCODE";
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}
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};
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inline string ValueString(const vector<unsigned char>& vch)
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{
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if (vch.size() <= 4)
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return strprintf("%d", CBigNum(vch).getint());
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else
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return HexNumStr(vch.begin(), vch.end());
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//return string("(") + HexStr(vch.begin(), vch.end()) + string(")");
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}
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inline string StackString(const vector<vector<unsigned char> >& vStack)
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{
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string str;
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foreach(const vector<unsigned char>& vch, vStack)
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{
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if (!str.empty())
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str += " ";
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str += ValueString(vch);
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}
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return str;
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}
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class CScript : public vector<unsigned char>
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{
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protected:
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CScript& push_int64(int64 n)
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{
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if (n == -1 || (n >= 1 && n <= 16))
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{
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push_back(n + (OP_1 - 1));
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}
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else
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{
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CBigNum bn(n);
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*this << bn.getvch();
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}
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return (*this);
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}
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CScript& push_uint64(uint64 n)
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{
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if (n == -1 || (n >= 1 && n <= 16))
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{
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push_back(n + (OP_1 - 1));
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}
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else
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{
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CBigNum bn(n);
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*this << bn.getvch();
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}
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return (*this);
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}
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public:
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CScript() { }
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CScript(const CScript& b) : vector<unsigned char>(b.begin(), b.end()) { }
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CScript(const_iterator pbegin, const_iterator pend) : vector<unsigned char>(pbegin, pend) { }
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#ifndef _MSC_VER
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CScript(const unsigned char* pbegin, const unsigned char* pend) : vector<unsigned char>(pbegin, pend) { }
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#endif
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CScript& operator+=(const CScript& b)
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{
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insert(end(), b.begin(), b.end());
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return *this;
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}
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friend CScript operator+(const CScript& a, const CScript& b)
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{
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CScript ret = a;
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ret += b;
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return (ret);
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}
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explicit CScript(char b) { operator<<(b); }
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explicit CScript(short b) { operator<<(b); }
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explicit CScript(int b) { operator<<(b); }
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explicit CScript(long b) { operator<<(b); }
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explicit CScript(int64 b) { operator<<(b); }
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explicit CScript(unsigned char b) { operator<<(b); }
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explicit CScript(unsigned int b) { operator<<(b); }
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explicit CScript(unsigned short b) { operator<<(b); }
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explicit CScript(unsigned long b) { operator<<(b); }
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explicit CScript(uint64 b) { operator<<(b); }
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explicit CScript(opcodetype b) { operator<<(b); }
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explicit CScript(const uint256& b) { operator<<(b); }
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explicit CScript(const CBigNum& b) { operator<<(b); }
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explicit CScript(const vector<unsigned char>& b) { operator<<(b); }
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CScript& operator<<(char b) { return (push_int64(b)); }
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CScript& operator<<(short b) { return (push_int64(b)); }
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CScript& operator<<(int b) { return (push_int64(b)); }
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CScript& operator<<(long b) { return (push_int64(b)); }
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CScript& operator<<(int64 b) { return (push_int64(b)); }
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CScript& operator<<(unsigned char b) { return (push_uint64(b)); }
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CScript& operator<<(unsigned int b) { return (push_uint64(b)); }
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CScript& operator<<(unsigned short b) { return (push_uint64(b)); }
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CScript& operator<<(unsigned long b) { return (push_uint64(b)); }
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CScript& operator<<(uint64 b) { return (push_uint64(b)); }
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CScript& operator<<(opcodetype opcode)
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{
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if (opcode <= OP_SINGLEBYTE_END)
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{
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insert(end(), (unsigned char)opcode);
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}
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else
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{
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assert(opcode >= OP_DOUBLEBYTE_BEGIN);
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insert(end(), (unsigned char)(opcode >> 8));
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insert(end(), (unsigned char)(opcode & 0xFF));
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}
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return (*this);
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}
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CScript& operator<<(const uint160& b)
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{
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insert(end(), sizeof(b));
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insert(end(), (unsigned char*)&b, (unsigned char*)&b + sizeof(b));
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return (*this);
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}
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CScript& operator<<(const uint256& b)
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{
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insert(end(), sizeof(b));
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insert(end(), (unsigned char*)&b, (unsigned char*)&b + sizeof(b));
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return (*this);
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}
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CScript& operator<<(const CBigNum& b)
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{
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*this << b.getvch();
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return (*this);
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}
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CScript& operator<<(const vector<unsigned char>& b)
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{
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if (b.size() < OP_PUSHDATA1)
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{
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insert(end(), (unsigned char)b.size());
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}
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else if (b.size() <= 0xff)
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{
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insert(end(), OP_PUSHDATA1);
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insert(end(), (unsigned char)b.size());
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}
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else
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{
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insert(end(), OP_PUSHDATA2);
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unsigned short nSize = b.size();
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insert(end(), (unsigned char*)&nSize, (unsigned char*)&nSize + sizeof(nSize));
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}
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insert(end(), b.begin(), b.end());
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return (*this);
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}
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CScript& operator<<(const CScript& b)
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{
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// I'm not sure if this should push the script or concatenate scripts.
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// If there's ever a use for pushing a script onto a script, delete this member fn
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assert(("warning: pushing a CScript onto a CScript with << is probably not intended, use + to concatenate", false));
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return (*this);
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}
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bool GetOp(iterator& pc, opcodetype& opcodeRet, vector<unsigned char>& vchRet)
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{
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// Wrapper so it can be called with either iterator or const_iterator
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const_iterator pc2 = pc;
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bool fRet = GetOp(pc2, opcodeRet, vchRet);
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pc = begin() + (pc2 - begin());
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return fRet;
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}
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bool GetOp(const_iterator& pc, opcodetype& opcodeRet, vector<unsigned char>& vchRet) const
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{
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opcodeRet = OP_INVALIDOPCODE;
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vchRet.clear();
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if (pc >= end())
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return false;
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// Read instruction
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unsigned int opcode = *pc++;
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if (opcode >= OP_SINGLEBYTE_END)
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{
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if (pc + 1 > end())
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return false;
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opcode <<= 8;
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opcode |= *pc++;
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}
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// Immediate operand
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if (opcode <= OP_PUSHDATA4)
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{
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unsigned int nSize = opcode;
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if (opcode == OP_PUSHDATA1)
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{
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if (pc + 1 > end())
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return false;
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nSize = *pc++;
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}
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else if (opcode == OP_PUSHDATA2)
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{
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if (pc + 2 > end())
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return false;
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nSize = 0;
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memcpy(&nSize, &pc[0], 2);
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pc += 2;
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}
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else if (opcode == OP_PUSHDATA4)
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{
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if (pc + 4 > end())
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return false;
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memcpy(&nSize, &pc[0], 4);
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pc += 4;
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}
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if (pc + nSize > end())
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return false;
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vchRet.assign(pc, pc + nSize);
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pc += nSize;
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}
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opcodeRet = (opcodetype)opcode;
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return true;
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}
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|
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void FindAndDelete(const CScript& b)
|
|
{
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|
iterator pc = begin();
|
|
opcodetype opcode;
|
|
vector<unsigned char> vchPushValue;
|
|
int count = 0;
|
|
do
|
|
{
|
|
while (end() - pc >= b.size() && memcmp(&pc[0], &b[0], b.size()) == 0)
|
|
{
|
|
erase(pc, pc + b.size());
|
|
count++;
|
|
}
|
|
}
|
|
while (GetOp(pc, opcode, vchPushValue));
|
|
//printf("FindAndDeleted deleted %d items\n", count); /// debug
|
|
}
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|
|
|
|
|
uint160 GetBitcoinAddressHash160() const
|
|
{
|
|
opcodetype opcode;
|
|
vector<unsigned char> vch;
|
|
CScript::const_iterator pc = begin();
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_DUP) return 0;
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_HASH160) return 0;
|
|
if (!GetOp(pc, opcode, vch) || vch.size() != sizeof(uint160)) return 0;
|
|
uint160 hash160 = uint160(vch);
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_EQUALVERIFY) return 0;
|
|
if (!GetOp(pc, opcode, vch) || opcode != OP_CHECKSIG) return 0;
|
|
if (pc != end()) return 0;
|
|
return hash160;
|
|
}
|
|
|
|
string GetBitcoinAddress() const
|
|
{
|
|
uint160 hash160 = GetBitcoinAddressHash160();
|
|
if (hash160 == 0)
|
|
return "";
|
|
return Hash160ToAddress(hash160);
|
|
}
|
|
|
|
void SetBitcoinAddress(const uint160& hash160)
|
|
{
|
|
this->clear();
|
|
*this << OP_DUP << OP_HASH160 << hash160 << OP_EQUALVERIFY << OP_CHECKSIG;
|
|
}
|
|
|
|
void SetBitcoinAddress(const vector<unsigned char>& vchPubKey)
|
|
{
|
|
SetBitcoinAddress(Hash160(vchPubKey));
|
|
}
|
|
|
|
bool SetBitcoinAddress(const string& strAddress)
|
|
{
|
|
this->clear();
|
|
uint160 hash160;
|
|
if (!AddressToHash160(strAddress, hash160))
|
|
return false;
|
|
SetBitcoinAddress(hash160);
|
|
return true;
|
|
}
|
|
|
|
|
|
void PrintHex() const
|
|
{
|
|
printf("CScript(%s)\n", HexStr(begin(), end()).c_str());
|
|
}
|
|
|
|
string ToString() const
|
|
{
|
|
string str;
|
|
opcodetype opcode;
|
|
vector<unsigned char> vch;
|
|
const_iterator it = begin();
|
|
while (GetOp(it, opcode, vch))
|
|
{
|
|
if (!str.empty())
|
|
str += " ";
|
|
if (opcode <= OP_PUSHDATA4)
|
|
str += ValueString(vch);
|
|
else
|
|
str += GetOpName(opcode);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
void print() const
|
|
{
|
|
printf("%s\n", ToString().c_str());
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool EvalScript(const CScript& script, const CTransaction& txTo, unsigned int nIn, int nHashType=0,
|
|
vector<vector<unsigned char> >* pvStackRet=NULL);
|
|
uint256 SignatureHash(CScript scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
|
|
bool IsMine(const CScript& scriptPubKey);
|
|
bool ExtractPubKey(const CScript& scriptPubKey, bool fMineOnly, vector<unsigned char>& vchPubKeyRet);
|
|
bool ExtractHash160(const CScript& scriptPubKey, uint160& hash160Ret);
|
|
bool SignSignature(const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL, CScript scriptPrereq=CScript());
|
|
bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, int nHashType=0);
|