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SuperNET/iguana/exchanges/LP_bitcoin.c

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/******************************************************************************
* Copyright © 2014-2017 The SuperNET Developers. *
* *
* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
* the top-level directory of this distribution for the individual copyright *
* holder information and the developer policies on copyright and licensing. *
* *
* Unless otherwise agreed in a custom licensing agreement, no part of the *
* SuperNET software, including this file may be copied, modified, propagated *
* or distributed except according to the terms contained in the LICENSE file *
* *
* Removal or modification of this copyright notice is prohibited. *
* *
******************************************************************************/
//
// LP_bitcoin.c
// marketmaker
//
union iguana_stacknum { int32_t val; int64_t val64; uint8_t rmd160[20]; bits256 hash2; uint8_t pubkey[33]; uint8_t sig[74]; };
struct iguana_stackdata { uint8_t *data; uint16_t size; union iguana_stacknum U; };
char *bitcoin_base58encode(char *coinaddr,uint8_t *data,int32_t datalen);
int32_t bitcoin_base58decode(uint8_t *data,char *coinaddr);
#define IGUANA_MAXSCRIPTSIZE 10001
#define IGUANA_SEQUENCEID_FINAL 0xfffffffe
#define IGUANA_SCRIPT_NULL 0
#define IGUANA_SCRIPT_76AC 1
#define IGUANA_SCRIPT_76A988AC 2
#define IGUANA_SCRIPT_P2SH 3
#define IGUANA_SCRIPT_OPRETURN 4
#define IGUANA_SCRIPT_3of3 5
#define IGUANA_SCRIPT_2of3 6
#define IGUANA_SCRIPT_1of3 7
#define IGUANA_SCRIPT_2of2 8
#define IGUANA_SCRIPT_1of2 9
#define IGUANA_SCRIPT_MSIG 10
#define IGUANA_SCRIPT_DATA 11
#define IGUANA_SCRIPT_AC 12
#define IGUANA_SCRIPT_1of1 13
#define IGUANA_SCRIPT_STRANGE 15
#define MAX_SCRIPT_ELEMENT_SIZE 520
#define MAX_OPS_PER_SCRIPT 201 // Maximum number of non-push operations per script
#define MAX_PUBKEYS_PER_MULTISIG 20 // Maximum number of public keys per multisig
#define IGUANA_MAXSTACKITEMS ((int32_t)(IGUANA_MAXSCRIPTSIZE / sizeof(uint32_t)))
#define IGUANA_MAXSTACKDEPTH 128
struct iguana_interpreter
{
int32_t active,ifdepth,elsedepth,codeseparator,stackdepth,altstackdepth,maxstackdepth;
int8_t lastpath[IGUANA_MAXSTACKDEPTH];
cJSON *logarray;
struct iguana_stackdata stack[];
};
static struct bitcoin_opcode { UT_hash_handle hh; uint8_t opcode,flags,stackitems; int8_t extralen; } *OPTABLE; static char *OPCODES[0x100]; static int32_t OPCODELENS[0x100];
#define SIGHASH_ALL 1
#define SIGHASH_NONE 2
#define SIGHASH_SINGLE 3
#define SIGHASH_ANYONECANPAY 0x80
#define SCRIPT_OP_NOP 0x00
#define SCRIPT_OP_TRUE 0x51
#define SCRIPT_OP_2 0x52
#define SCRIPT_OP_3 0x53
#define SCRIPT_OP_4 0x54
#define SCRIPT_OP_IF 0x63
#define SCRIPT_OP_ELSE 0x67
#define SCRIPT_OP_RETURN 0x6a
#define SCRIPT_OP_DUP 0x76
#define SCRIPT_OP_ENDIF 0x68
#define SCRIPT_OP_DROP 0x75
#define SCRIPT_OP_EQUALVERIFY 0x88
#define SCRIPT_OP_SHA256 0xa8
#define SCRIPT_OP_HASH160 0xa9
#define SCRIPT_OP_EQUAL 0x87
#define SCRIPT_OP_CHECKSIG 0xac
#define SCRIPT_OP_CHECKMULTISIG 0xae
#define SCRIPT_OP_CHECKSEQUENCEVERIFY 0xb2
#define SCRIPT_OP_CHECKLOCKTIMEVERIFY 0xb1
#define IGUANA_OP_0 0x00
#define IGUANA_OP_PUSHDATA1 0x4c
#define IGUANA_OP_PUSHDATA2 0x4d
#define IGUANA_OP_PUSHDATA4 0x4e
#define IGUANA_OP_1NEGATE 0x4f
#define IGUANA_OP_1 0x51
#define IGUANA_OP_16 0x60
#define IGUANA_OP_NOP 0x61
#define IGUANA_OP_IF 0x63
#define IGUANA_OP_NOTIF 0x64
#define IGUANA_OP_ELSE 0x67
#define IGUANA_OP_ENDIF 0x68
#define IGUANA_OP_VERIFY 0x69
#define IGUANA_OP_RETURN 0x6a
#define IGUANA_OP_TOALTSTACK 0x6b
#define IGUANA_OP_FROMALTSTACK 0x6c
#define IGUANA_OP_2DROP 0x6d
#define IGUANA_OP_2DUP 0x6e
#define IGUANA_OP_3DUP 0x6f
#define IGUANA_OP_2OVER 0x70
#define IGUANA_OP_2ROT 0x71
#define IGUANA_OP_2SWAP 0x72
#define IGUANA_OP_IFDUP 0x73
#define IGUANA_OP_DEPTH 0x74
#define IGUANA_OP_DROP 0x75
#define IGUANA_OP_DUP 0x76
#define IGUANA_OP_NIP 0x77
#define IGUANA_OP_OVER 0x78
#define IGUANA_OP_PICK 0x79
#define IGUANA_OP_ROLL 0x7a
#define IGUANA_OP_ROT 0x7b
#define IGUANA_OP_SWAP 0x7c
#define IGUANA_OP_TUCK 0x7d
#define IGUANA_OP_EQUAL 0x87
#define IGUANA_OP_EQUALVERIFY 0x88
#define IGUANA_OP_1ADD 0x8b
#define IGUANA_OP_1SUB 0x8c
#define IGUANA_OP_NEGATE 0x8f
#define IGUANA_OP_ABS 0x90
#define IGUANA_OP_NOT 0x91
#define IGUANA_OP_0NOTEQUAL 0x92
#define IGUANA_OP_ADD 0x93
#define IGUANA_OP_SUB 0x94
#define IGUANA_OP_BOOLAND 0x9a
#define IGUANA_OP_BOOLOR 0x9b
#define IGUANA_OP_NUMEQUAL 0x9c
#define IGUANA_OP_NUMEQUALVERIFY 0x9d
#define IGUANA_OP_NUMNOTEQUAL 0x9e
#define IGUANA_OP_LESSTHAN 0x9f
#define IGUANA_OP_GREATERTHAN 0xa0
#define IGUANA_OP_LESSTHANOREQUAL 0xa1
#define IGUANA_OP_GREATERTHANOREQUAL 0xa2
#define IGUANA_OP_MIN 0xa3
#define IGUANA_OP_MAX 0xa4
#define IGUANA_OP_WITHIN 0xa5
#define IGUANA_OP_RIPEMD160 0xa6
#define IGUANA_OP_SHA1 0xa7
#define IGUANA_OP_SHA256 0xa8
#define IGUANA_OP_HASH160 0xa9
#define IGUANA_OP_HASH256 0xaa
#define IGUANA_OP_CODESEPARATOR 0xab
#define IGUANA_OP_CHECKSIG 0xac
#define IGUANA_OP_CHECKSIGVERIFY 0xad
#define IGUANA_OP_CHECKMULTISIG 0xae
#define IGUANA_OP_CHECKMULTISIGVERIFY 0xaf
#define IGUANA_OP_NOP1 0xb0
#define IGUANA_OP_CHECKLOCKTIMEVERIFY 0xb1
#define IGUANA_OP_CHECKSEQUENCEVERIFY 0xb2
#define IGUANA_OP_NOP10 0xb9
#define IGUANA_OP_COMBINEPUBKEYS 0xc0
#define IGUANA_OP_CHECKSCHNORR 0xc1
#define IGUANA_OP_CHECKSCHNORRVERIFY 0xc2
// https://github.com/TierNolan/bips/blob/cpkv/bip-cprkv.mediawiki
#define IGUANA_OP_CHECKPRIVATEKEY 0xc3
#define IGUANA_OP_CHECKPRIVATEKEYVERIFY 0xc4
#define IGUANA_NOPFLAG 1
#define IGUANA_ALWAYSILLEGAL 2
#define IGUANA_EXECUTIONILLEGAL 4
#define IGUANA_POSTVERIFY 8
#define IGUANA_CRYPTOFLAG 16
#define IGUANA_MATHFLAG 32
#define IGUANA_CONTROLFLAG 64
#define IGUANA_STACKFLAG 128
enum opcodetype
{
// push value
OP_0 = 0x00,
OP_FALSE = OP_0,
OP_PUSHDATA1 = 0x4c,
OP_PUSHDATA2 = 0x4d,
OP_PUSHDATA4 = 0x4e,
OP_1NEGATE = 0x4f,
OP_RESERVED = 0x50,
OP_1 = 0x51,
OP_TRUE=OP_1,
OP_2 = 0x52,
OP_3 = 0x53,
OP_4 = 0x54,
OP_5 = 0x55,
OP_6 = 0x56,
OP_7 = 0x57,
OP_8 = 0x58,
OP_9 = 0x59,
OP_10 = 0x5a,
OP_11 = 0x5b,
OP_12 = 0x5c,
OP_13 = 0x5d,
OP_14 = 0x5e,
OP_15 = 0x5f,
OP_16 = 0x60,
// control
OP_NOP = 0x61,
OP_VER = 0x62,
OP_IF = 0x63,
OP_NOTIF = 0x64,
OP_VERIF = 0x65,
OP_VERNOTIF = 0x66,
OP_ELSE = 0x67,
OP_ENDIF = 0x68,
OP_VERIFY = 0x69,
OP_RETURN = 0x6a,
// stack ops
OP_TOALTSTACK = 0x6b,
OP_FROMALTSTACK = 0x6c,
OP_2DROP = 0x6d,
OP_2DUP = 0x6e,
OP_3DUP = 0x6f,
OP_2OVER = 0x70,
OP_2ROT = 0x71,
OP_2SWAP = 0x72,
OP_IFDUP = 0x73,
OP_DEPTH = 0x74,
OP_DROP = 0x75,
OP_DUP = 0x76,
OP_NIP = 0x77,
OP_OVER = 0x78,
OP_PICK = 0x79,
OP_ROLL = 0x7a,
OP_ROT = 0x7b,
OP_SWAP = 0x7c,
OP_TUCK = 0x7d,
// splice ops
OP_CAT = 0x7e,
OP_SUBSTR = 0x7f,
OP_LEFT = 0x80,
OP_RIGHT = 0x81,
OP_SIZE = 0x82,
// bit logic
OP_INVERT = 0x83,
OP_AND = 0x84,
OP_OR = 0x85,
OP_XOR = 0x86,
OP_EQUAL = 0x87,
OP_EQUALVERIFY = 0x88,
OP_RESERVED1 = 0x89,
OP_RESERVED2 = 0x8a,
// numeric
OP_1ADD = 0x8b,
OP_1SUB = 0x8c,
OP_2MUL = 0x8d,
OP_2DIV = 0x8e,
OP_NEGATE = 0x8f,
OP_ABS = 0x90,
OP_NOT = 0x91,
OP_0NOTEQUAL = 0x92,
OP_ADD = 0x93,
OP_SUB = 0x94,
OP_MUL = 0x95,
OP_DIV = 0x96,
OP_MOD = 0x97,
OP_LSHIFT = 0x98,
OP_RSHIFT = 0x99,
OP_BOOLAND = 0x9a,
OP_BOOLOR = 0x9b,
OP_NUMEQUAL = 0x9c,
OP_NUMEQUALVERIFY = 0x9d,
OP_NUMNOTEQUAL = 0x9e,
OP_LESSTHAN = 0x9f,
OP_GREATERTHAN = 0xa0,
OP_LESSTHANOREQUAL = 0xa1,
OP_GREATERTHANOREQUAL = 0xa2,
OP_MIN = 0xa3,
OP_MAX = 0xa4,
OP_WITHIN = 0xa5,
// crypto
OP_RIPEMD160 = 0xa6,
OP_SHA1 = 0xa7,
OP_SHA256 = 0xa8,
OP_HASH160 = 0xa9,
OP_HASH256 = 0xaa,
OP_CODESEPARATOR = 0xab,
OP_CHECKSIG = 0xac,
OP_CHECKSIGVERIFY = 0xad,
OP_CHECKMULTISIG = 0xae,
OP_CHECKMULTISIGVERIFY = 0xaf,
// expansion
OP_NOP1 = 0xb0,
OP_CHECKLOCKTIMEVERIFY = 0xb1,
OP_CHECKSEQUENCEVERIFY = 0xb2,
OP_NOP4 = 0xb3,
OP_NOP5 = 0xb4,
OP_NOP6 = 0xb5,
OP_NOP7 = 0xb6,
OP_NOP8 = 0xb7,
OP_NOP9 = 0xb8,
OP_NOP10 = 0xb9,
OP_COMBINEPUBKEYS = 0xc0,
OP_CHECKSCHNORR = 0xc1,
OP_CHECKSCHNORRVERIFY = 0xc2,
OP_CHECKPRIVATEKEY = 0xc3,
OP_CHECKPRIVATEKEYVERIFY = 0xc4,
// template matching params
//OP_SMALLINTEGER = 0xfa,
//OP_PUBKEYS = 0xfb,
//OP_PUBKEYHASH = 0xfd,
//OP_PUBKEY = 0xfe,
OP_INVALIDOPCODE = 0xff,
};
struct { bits256 privkey; uint8_t rmd160[20]; } LP_privkeys[100]; int32_t LP_numprivkeys;
bits256 LP_privkeyfind(uint8_t rmd160[20])
{
int32_t i; static bits256 zero;
for (i=0; i<LP_numprivkeys; i++)
if ( memcmp(rmd160,LP_privkeys[i].rmd160,20) == 0 )
return(LP_privkeys[i].privkey);
//for (i=0; i<20; i++)
// printf("%02x",rmd160[i]);
//printf(" -> no privkey\n");
return(zero);
}
int32_t LP_privkeyadd(bits256 privkey,uint8_t rmd160[20])
{
bits256 tmpkey;
tmpkey = LP_privkeyfind(rmd160);
if ( bits256_nonz(tmpkey) != 0 )
return(-bits256_cmp(privkey,tmpkey));
LP_privkeys[LP_numprivkeys].privkey = privkey;
memcpy(LP_privkeys[LP_numprivkeys].rmd160,rmd160,20);
//int32_t i; for (i=0; i<20; i++)
// printf("%02x",rmd160[i]);
//char str[65]; printf(" -> add privkey.(%s)\n",bits256_str(str,privkey));
LP_numprivkeys++;
return(LP_numprivkeys);
}
int32_t iguana_rwnum(int32_t rwflag,uint8_t *serialized,int32_t len,void *endianedp)
{
int32_t i; uint64_t x;
if ( rwflag == 0 )
{
x = 0;
for (i=len-1; i>=0; i--)
{
x <<= 8;
x |= serialized[i];
}
switch ( len )
{
case 1: *(uint8_t *)endianedp = (uint8_t)x; break;
case 2: *(uint16_t *)endianedp = (uint16_t)x; break;
case 4: *(uint32_t *)endianedp = (uint32_t)x; break;
case 8: *(uint64_t *)endianedp = (uint64_t)x; break;
}
}
else
{
x = 0;
switch ( len )
{
case 1: x = *(uint8_t *)endianedp; break;
case 2: x = *(uint16_t *)endianedp; break;
case 4: x = *(uint32_t *)endianedp; break;
case 8: x = *(uint64_t *)endianedp; break;
}
for (i=0; i<len; i++,x >>= 8)
serialized[i] = (uint8_t)(x & 0xff);
}
return(len);
}
int32_t iguana_rwbignum(int32_t rwflag,uint8_t *serialized,int32_t len,uint8_t *endianedp)
{
int32_t i;
if ( rwflag == 0 )
{
for (i=0; i<len; i++)
endianedp[i] = serialized[len - 1 - i];
}
else
{
for (i=0; i<len; i++)
serialized[i] = endianedp[len - 1 - i];
}
return(len);
}
uint8_t *iguana_varint16(int32_t rwflag,uint8_t *serialized,uint16_t *varint16p)
{
uint16_t n = 0;
if ( rwflag == 0 )
{
n = *serialized++;
n |= ((int32_t)*serialized++ << 8);
*varint16p = n;
}
else
{
n = *varint16p;
*serialized++ = (uint8_t)n & 0xff;
*serialized++ = (uint8_t)(n >> 8) & 0xff;
}
return(serialized);
}
uint8_t *iguana_varint32(int32_t rwflag,uint8_t *serialized,uint16_t *varint16p)
{
serialized = iguana_varint16(rwflag,serialized,varint16p);
serialized = iguana_varint16(rwflag,serialized,&varint16p[1]);
return(serialized);
}
uint8_t *iguana_varint64(int32_t rwflag,uint8_t *serialized,uint32_t *varint32p)
{
serialized = iguana_varint32(rwflag,serialized,(uint16_t *)varint32p);
serialized = iguana_varint32(rwflag,serialized,(uint16_t *)&varint32p[1]);
return(serialized);
}
int32_t iguana_rwvarint(int32_t rwflag,uint8_t *serialized,uint64_t *varint64p)
{
uint64_t n; int32_t vlen = 1;
if ( rwflag == 0 )
{
*varint64p = 0;
if ( (n= *serialized++) >= 0xfd )
{
if ( n == 0xfd )
{
n = 0;
iguana_varint16(rwflag,serialized,(uint16_t *)&n);
vlen += 2;
}
else if ( n == 0xfe )
{
n = 0;
iguana_varint32(rwflag,serialized,(uint16_t *)&n);
vlen += 4;
}
else if ( n == 0xff )
{
n = 0;
iguana_varint64(rwflag,serialized,(uint32_t *)&n);
vlen += 8;
}
}
*varint64p = n;
}
else
{
n = *varint64p;
if ( n < 0xfd )
*serialized++ = (uint8_t)n;
else if ( n <= 0xffff )
{
*serialized++ = 0xfd;
iguana_varint16(rwflag,serialized,(uint16_t *)varint64p);
vlen += 2;
}
else if ( n <= 0xffffffff )
{
*serialized++ = 0xfe;
iguana_varint32(rwflag,serialized,(uint16_t *)varint64p);
vlen += 4;
}
else
{
*serialized++ = 0xff;
iguana_varint64(rwflag,serialized,(uint32_t *)varint64p);
vlen += 8;
}
}
return(vlen);
}
int32_t iguana_rwvarint32(int32_t rwflag,uint8_t *serialized,uint32_t *int32p)
{
int32_t len; uint64_t x = 0;
if ( rwflag != 0 )
x = *int32p;
len = iguana_rwvarint(rwflag,serialized,&x);
if ( rwflag == 0 )
*int32p = (int32_t)x;
return(len);
}
int32_t iguana_rwvarstr(int32_t rwflag,uint8_t *serialized,int32_t maxlen,char *endianedp)
{
int32_t vlen; uint64_t n;
if ( rwflag == 0 )
{
vlen = iguana_rwvarint(rwflag,serialized,&n);
memcpy(endianedp,&serialized[vlen],n);
((uint8_t *)endianedp)[n] = 0;
}
else
{
n = strlen(endianedp);
if ( n > maxlen )
n = maxlen;
vlen = iguana_rwvarint(rwflag,serialized,&n);
memcpy(&serialized[vlen],endianedp,n);
}
return((int32_t)(n + vlen));
}
int32_t iguana_rwmem(int32_t rwflag,uint8_t *serialized,int32_t len,void *endianedp)
{
if ( rwflag == 0 )
memcpy(endianedp,serialized,len);
else memcpy(serialized,endianedp,len);
return(len);
}
const char *get_opname(uint8_t *stackitemsp,uint8_t *flagsp,int32_t *extralenp,enum opcodetype opcode)
{
*extralenp = 0;
switch ( opcode )
{
// push value
case OP_0 : return "0";
case OP_PUSHDATA1 : *extralenp = 1; return "OP_PUSHDATA1";
case OP_PUSHDATA2 : *extralenp = 2; return "OP_PUSHDATA2";
case OP_PUSHDATA4 : *flagsp = IGUANA_EXECUTIONILLEGAL; return "OP_PUSHDATA4";
case OP_1NEGATE : return "-1";
case OP_RESERVED : *flagsp = IGUANA_EXECUTIONILLEGAL; return "OP_RESERVED";
case OP_1 : return "1";
case OP_2 : return "2";
case OP_3 : return "3";
case OP_4 : return "4";
case OP_5 : return "5";
case OP_6 : return "6";
case OP_7 : return "7";
case OP_8 : return "8";
case OP_9 : return "9";
case OP_10 : return "10";
case OP_11 : return "11";
case OP_12 : return "12";
case OP_13 : return "13";
case OP_14 : return "14";
case OP_15 : return "15";
case OP_16 : return "16";
// control
case OP_NOP : *flagsp = IGUANA_NOPFLAG; return "OP_NOP";
case OP_VER : *flagsp = IGUANA_EXECUTIONILLEGAL; return "OP_VER";
case OP_IF : *flagsp = IGUANA_CONTROLFLAG; *stackitemsp = 1; return "OP_IF";
case OP_NOTIF : *flagsp = IGUANA_CONTROLFLAG; *stackitemsp = 1; return "OP_NOTIF";
case OP_VERIF : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_VERIF";
case OP_VERNOTIF : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_VERNOTIF";
case OP_ELSE : *flagsp = IGUANA_CONTROLFLAG; return "OP_ELSE";
case OP_ENDIF : *flagsp = IGUANA_CONTROLFLAG; return "OP_ENDIF";
case OP_VERIFY : *flagsp = IGUANA_POSTVERIFY; return "OP_VERIFY";
case OP_RETURN : *flagsp = IGUANA_CONTROLFLAG; return "OP_RETURN";
// stack ops
case OP_TOALTSTACK : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 1; return "OP_TOALTSTACK";
case OP_FROMALTSTACK : *flagsp = IGUANA_STACKFLAG; return "OP_FROMALTSTACK";
case OP_2DROP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 2; return "OP_2DROP";
case OP_2DUP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 2; return "OP_2DUP";
case OP_3DUP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 3; return "OP_3DUP";
case OP_2OVER : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 4; return "OP_2OVER";
case OP_2ROT : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 6; return "OP_2ROT";
case OP_2SWAP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 4; return "OP_2SWAP";
case OP_IFDUP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 1; return "OP_IFDUP";
case OP_DEPTH : *flagsp = IGUANA_STACKFLAG; return "OP_DEPTH";
case OP_DROP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 1; return "OP_DROP";
case OP_DUP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 1; return "OP_DUP";
case OP_NIP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 2; return "OP_NIP";
case OP_OVER : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 2; return "OP_OVER";
case OP_PICK : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 1; return "OP_PICK";
case OP_ROLL : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 1; return "OP_ROLL";
case OP_ROT : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 3; return "OP_ROT";
case OP_SWAP : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 2; return "OP_SWAP";
case OP_TUCK : *flagsp = IGUANA_STACKFLAG; *stackitemsp = 2; return "OP_TUCK";
// splice ops
case OP_CAT : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_CAT";
case OP_SUBSTR : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_SUBSTR";
case OP_LEFT : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_LEFT";
case OP_RIGHT : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_RIGHT";
case OP_SIZE : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_SIZE";
// bit logic
case OP_INVERT : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_INVERT";
case OP_AND : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_AND";
case OP_OR : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_OR";
case OP_XOR : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_XOR";
case OP_EQUAL : *stackitemsp = 2; return "OP_EQUAL";
case OP_EQUALVERIFY : *stackitemsp = 2; *flagsp = IGUANA_POSTVERIFY; return "OP_EQUALVERIFY";
case OP_RESERVED1 : *flagsp = IGUANA_EXECUTIONILLEGAL; return "OP_RESERVED1";
case OP_RESERVED2 : *flagsp = IGUANA_EXECUTIONILLEGAL; return "OP_RESERVED2";
// numeric
case OP_1ADD : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 1; return "OP_1ADD";
case OP_1SUB : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 1; return "OP_1SUB";
case OP_2MUL : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_2MUL";
case OP_2DIV : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_2DIV";
case OP_NEGATE : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 1; return "OP_NEGATE";
case OP_ABS : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 1; return "OP_ABS";
case OP_NOT : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 1; return "OP_NOT";
case OP_0NOTEQUAL : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 1; return "OP_0NOTEQUAL";
case OP_ADD : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_ADD";
case OP_SUB : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_SUB";
case OP_MUL : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_MUL";
case OP_DIV : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_DIV";
case OP_MOD : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_MOD";
case OP_LSHIFT : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_LSHIFT";
case OP_RSHIFT : *flagsp = IGUANA_ALWAYSILLEGAL; return "OP_RSHIFT";
case OP_BOOLAND : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_BOOLAND";
case OP_BOOLOR : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_BOOLOR";
case OP_NUMEQUAL : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_NUMEQUAL";
case OP_NUMEQUALVERIFY: *flagsp = IGUANA_MATHFLAG | IGUANA_POSTVERIFY; *stackitemsp = 2; return "OP_NUMEQUALVERIFY";
case OP_NUMNOTEQUAL : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_NUMNOTEQUAL";
case OP_LESSTHAN : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_LESSTHAN";
case OP_GREATERTHAN : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_GREATERTHAN";
case OP_LESSTHANOREQUAL: *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_LESSTHANOREQUAL";
case OP_GREATERTHANOREQUAL: *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_GREATERTHANOREQUAL";
case OP_MIN : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_MIN";
case OP_MAX : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 2; return "OP_MAX";
case OP_WITHIN : *flagsp = IGUANA_MATHFLAG; *stackitemsp = 3; return "OP_WITHIN";
// crypto
case OP_RIPEMD160 : *stackitemsp = 1; *flagsp = IGUANA_CRYPTOFLAG; return "OP_RIPEMD160";
case OP_SHA1 : *stackitemsp = 1; *flagsp = IGUANA_CRYPTOFLAG; return "OP_SHA1";
case OP_SHA256 : *stackitemsp = 1; *flagsp = IGUANA_CRYPTOFLAG; return "OP_SHA256";
case OP_HASH160 : *stackitemsp = 1; *flagsp = IGUANA_CRYPTOFLAG; return "OP_HASH160";
case OP_HASH256 : *stackitemsp = 1; *flagsp = IGUANA_CRYPTOFLAG; return "OP_HASH256";
case OP_CODESEPARATOR: return "OP_CODESEPARATOR";
case OP_CHECKSIG : *stackitemsp = 2; *flagsp = IGUANA_CRYPTOFLAG; return "OP_CHECKSIG";
case OP_CHECKSIGVERIFY: *stackitemsp = 2; *flagsp = IGUANA_CRYPTOFLAG | IGUANA_POSTVERIFY; return "OP_CHECKSIGVERIFY";
case OP_CHECKMULTISIG: *flagsp = IGUANA_CRYPTOFLAG; return "OP_CHECKMULTISIG";
case OP_CHECKMULTISIGVERIFY: *flagsp = IGUANA_CRYPTOFLAG | IGUANA_POSTVERIFY; return "OP_CHECKMULTISIGVERIFY";
case OP_COMBINEPUBKEYS: *flagsp = IGUANA_CRYPTOFLAG; return "OP_COMBINEPUBKEYS";
case OP_CHECKSCHNORR: *stackitemsp = 3; *flagsp = IGUANA_CRYPTOFLAG; return "OP_CHECKSCHNORR";
case OP_CHECKSCHNORRVERIFY: *stackitemsp = 3; *flagsp = IGUANA_CRYPTOFLAG | IGUANA_POSTVERIFY; return "OP_CHECKSCHNORRVERIFY";
case OP_CHECKPRIVATEKEY: *stackitemsp = 2; *flagsp = IGUANA_CRYPTOFLAG; return "OP_CHECKPRIVATEKEY";
case OP_CHECKPRIVATEKEYVERIFY: *stackitemsp = 2; *flagsp = IGUANA_CRYPTOFLAG | IGUANA_POSTVERIFY; return "OP_CHECKPRIVATEKEYVERIFY";
// expanson
case OP_NOP1 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP1";
case OP_CHECKLOCKTIMEVERIFY: *stackitemsp = 1; return "OP_CHECKLOCKTIMEVERIFY";
case OP_CHECKSEQUENCEVERIFY: *stackitemsp = 1; return "OP_CHECKSEQUENCEVERIFY";
case OP_NOP4 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP4";
case OP_NOP5 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP5";
case OP_NOP6 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP6";
case OP_NOP7 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP7";
case OP_NOP8 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP8";
case OP_NOP9 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP9";
case OP_NOP10 : *flagsp = IGUANA_NOPFLAG; return "OP_NOP10";
case OP_INVALIDOPCODE: return "OP_INVALIDOPCODE";
default: return "OP_UNKNOWN";
}
}
void iguana_optableinit()
{
int32_t i,extralen; uint8_t stackitems,flags; char *opname; struct bitcoin_opcode *op;
if ( OPTABLE == 0 )
{
for (i=0; i<0x100; i++)
OPCODES[i] = "OP_UNKNOWN";
for (i=0; i<0x100; i++)
{
extralen = stackitems = flags = 0;
opname = (char *)get_opname(&stackitems,&flags,&extralen,i);
if ( strcmp("OP_UNKNOWN",opname) != 0 )
{
op = calloc(1,sizeof(*op));
HASH_ADD_KEYPTR(hh,OPTABLE,opname,strlen(opname),op);
//printf("{%-16s %02x} ",opname,i);
op->opcode = i;
op->flags = flags;
op->stackitems = stackitems;
op->extralen = extralen;
OPCODES[i] = (char *)op->hh.key;
OPCODELENS[i] = (int32_t)strlen(OPCODES[i]);
}
}
//printf("bitcoin opcodes\n");
}
}
int32_t bitcoin_pubkeylen(const uint8_t *pubkey)
{
if ( pubkey[0] == 2 || pubkey[0] == 3 )
return(33);
else if ( pubkey[0] == 4 )
return(65);
else
{
//printf("illegal pubkey.[%02x] %llx\n",pubkey[0],*(long long *)pubkey);
return(-1);
}
}
int32_t iguana_expandscript(char *asmstr,int32_t maxlen,uint8_t *script,int32_t scriptlen)
{
int32_t len,n,j,i = 0; uint8_t opcode; uint32_t val,extraflag;
iguana_optableinit();
asmstr[0] = len = 0;
while ( i < scriptlen )
{
val = extraflag = 0;
opcode = script[i++];
if ( opcode > 0 && opcode < 76 )
{
for (j=0; j<opcode; j++)
sprintf(&asmstr[len],"%02x",script[i++]), len += 2;
}
else if ( opcode >= IGUANA_OP_1 && opcode <= IGUANA_OP_16 )
{
sprintf(&asmstr[len],"%d",opcode - IGUANA_OP_1 + 1);
len += strlen(&asmstr[len]);
}
else if ( opcode == IGUANA_OP_0 )
{
strcpy(&asmstr[len],"OP_FALSE");
len += 8;
}
else if ( opcode == IGUANA_OP_1NEGATE )
{
asmstr[len++] = '-';
asmstr[len++] = '1';
}
else
{
//printf("dest.%p <- %p %02x\n",&asmstr[len],OPCODES[opcode],opcode);
strcpy(&asmstr[len],OPCODES[opcode]);
len += OPCODELENS[opcode];
}
if ( i < scriptlen )
asmstr[len++] = ' ';
if ( opcode == IGUANA_OP_PUSHDATA1 )
{
n = script[i++];
for (j=0; j<n; j++)
sprintf(&asmstr[len],"%02x",script[i++]), len += 2;
extraflag = 1;
}
else if ( opcode == IGUANA_OP_PUSHDATA2 )
{
n = script[i++];
n = (n << 8) | script[i++];
if ( n+len < maxlen )
{
for (j=0; j<n; j++)
sprintf(&asmstr[len],"%02x",script[i++]), len += 2;
extraflag = 1;
} else return(-1);
}
else if ( opcode == IGUANA_OP_PUSHDATA4 )
{
n = script[i++];
n = (n << 8) | script[i++];
n = (n << 8) | script[i++];
n = (n << 8) | script[i++];
if ( n < IGUANA_MAXSCRIPTSIZE )
{
for (j=0; j<n; j++)
sprintf(&asmstr[len],"%02x",script[i++]), len += 2;
extraflag = 1;
} else return(-1);
}
if ( extraflag != 0 && i < scriptlen )
asmstr[len++] = ' ';
}
asmstr[len] = 0;
return(len);
}
static inline int32_t is_delim(int32_t c)
{
if ( c == 0 || c == ' ' || c == '\t' || c == '\r' || c == '\n' )
return(1);
else return(0);
}
static struct iguana_stackdata iguana_pop(struct iguana_interpreter *stacks)
{
struct iguana_stackdata Snum;
Snum = stacks->stack[--stacks->stackdepth];
memset(&stacks->stack[stacks->stackdepth],0,sizeof(Snum));
return(Snum);
}
static int32_t iguana_altpush(struct iguana_interpreter *stacks,struct iguana_stackdata Snum)
{
stacks->stack[2*IGUANA_MAXSTACKITEMS - ++stacks->altstackdepth] = Snum;
return(stacks->altstackdepth);
}
static struct iguana_stackdata iguana_altpop(struct iguana_interpreter *stacks)
{
struct iguana_stackdata Snum,*ptr;
ptr = &stacks->stack[2*IGUANA_MAXSTACKITEMS - --stacks->altstackdepth];
Snum = *ptr;
memset(ptr,0,sizeof(Snum));
return(Snum);
}
static struct iguana_stackdata iguana_clone(struct iguana_stackdata Snum)
{
struct iguana_stackdata clone;
clone = Snum;
if ( Snum.data != 0 )
{
clone.data = malloc(Snum.size);
memcpy(clone.data,Snum.data,Snum.size);
}
return(clone);
}
static int32_t iguana_isnonz(struct iguana_stackdata Snum)
{
uint8_t *buf; int32_t i;
if ( Snum.size == sizeof(int32_t) )
return(Snum.U.val != 0);
else if ( Snum.size == sizeof(int64_t) )
return(Snum.U.val64 != 0);
else if ( Snum.size == 20 )
buf = Snum.U.rmd160;
else if ( Snum.size == sizeof(bits256) )
buf = Snum.U.hash2.bytes;
else if ( Snum.size == 33 )
buf = Snum.U.pubkey;
else if ( Snum.size < 74 )
buf = Snum.U.sig;
else buf = Snum.data;
for (i=0; i<Snum.size; i++)
if ( buf[i] != 0 )
return(1);
return(0);
}
static int64_t iguana_num(struct iguana_stackdata Snum)
{
if ( Snum.size == sizeof(int32_t) )
return(Snum.U.val);
else if ( Snum.size == sizeof(int64_t) )
return(Snum.U.val64);
else return(0);
}
static int32_t iguana_pushdata(struct iguana_interpreter *stacks,int64_t num64,uint8_t *numbuf,int32_t numlen)
{
struct iguana_stackdata Snum; cJSON *item = 0; char tmpstr[2048]; int32_t num = (int32_t)num64;
if ( stacks->lastpath[stacks->ifdepth] < 0 )
return(0);
//printf("PUSH.(%lld %p %d)\n",(long long)num64,numbuf,numlen);
if ( stacks->maxstackdepth > 0 )
{
if ( numbuf != 0 )
{
int32_t i; for (i=0; i<numlen; i++)
printf("%02x",numbuf[i]);
} else printf("%lld",(long long)num64);
printf(" PUSHDATA len.%d\n",numlen);
if ( stacks->stackdepth < stacks->maxstackdepth )
{
if ( stacks->logarray != 0 )
item = cJSON_CreateObject();
memset(&Snum,0,sizeof(Snum));
if ( numbuf != 0 )
{
if ( numlen <= sizeof(int32_t) )
{
iguana_rwnum(1,(void *)&num,numlen,numbuf);
numlen = sizeof(num);
Snum.U.val = num;
}
else if ( numlen <= sizeof(int64_t) )
{
iguana_rwnum(1,(void *)&num64,numlen,numbuf);
numlen = sizeof(num64);
Snum.U.val64 = num64;
}
else if ( numlen == 20 )
memcpy(Snum.U.rmd160,numbuf,20);
else if ( numlen == sizeof(bits256) )
iguana_rwbignum(1,Snum.U.hash2.bytes,sizeof(Snum.U.hash2),numbuf);
else if ( numlen == 33 )
memcpy(Snum.U.pubkey,numbuf,numlen);
else if ( numlen < 74 )
memcpy(Snum.U.sig,numbuf,numlen);
else
{
Snum.data = malloc(numlen);
memcpy(Snum.data,numbuf,numlen);
if ( item != 0 )
jaddnum(item,"push",numlen);
}
Snum.size = numlen;
if ( item != 0 )
{
init_hexbytes_noT(tmpstr,numbuf,numlen);
jaddstr(item,"push",tmpstr);
}
}
else if ( num64 <= 0xffffffff ) // what about negative numbers?
{
Snum.U.val = num, Snum.size = sizeof(num);
if ( item != 0 )
jaddnum(item,"push",Snum.U.val);
}
else
{
Snum.U.val64 = num64, Snum.size = sizeof(num64);
if ( item != 0 )
jaddnum(item,"push",Snum.U.val64);
}
if ( item != 0 )
{
jaddnum(item,"depth",stacks->stackdepth);
if ( stacks->logarray != 0 )
jaddi(stacks->logarray,item);
}
stacks->stack[stacks->stackdepth++] = Snum;
} else return(-1);
} else stacks->stackdepth++;
return(0);
}
int32_t iguana_databuf(uint8_t *databuf,struct iguana_stackdata Snum)
{
if ( Snum.size == 4 )
memcpy(databuf,&Snum.U.val,4);
else if ( Snum.size == 8 )
memcpy(databuf,&Snum.U.val64,8);
else if ( Snum.size == 20 )
memcpy(databuf,&Snum.U.rmd160,20);
else if ( Snum.size == 32 )
memcpy(databuf,&Snum.U.hash2.bytes,32);
else if ( Snum.size == 33 )
memcpy(databuf,&Snum.U.pubkey,33);
else if ( Snum.size < 74 )
memcpy(databuf,&Snum.U.sig,Snum.size);
else memcpy(databuf,&Snum.data,Snum.size);
return(Snum.size);
}
static int32_t iguana_cmp(struct iguana_stackdata *a,struct iguana_stackdata *b)
{
if ( a->size == b->size )
{
if ( a->size == 4 )
return(a->U.val != b->U.val);
else if ( a->size == 8 )
return(a->U.val64 != b->U.val64);
else if ( a->size == 20 )
return(memcmp(a->U.rmd160,b->U.rmd160,sizeof(a->U.rmd160)));
else if ( a->size == 32 )
return(memcmp(a->U.hash2.bytes,b->U.hash2.bytes,sizeof(a->U.hash2)));
else if ( a->size == 33 )
return(memcmp(a->U.pubkey,b->U.pubkey,33));
else if ( a->size < 74 )
return(memcmp(a->U.sig,b->U.sig,a->size));
else return(memcmp(a->data,b->data,sizeof(a->size)));
}
return(-1);
}
static int32_t iguana_dataparse(struct iguana_interpreter *stacks,uint8_t *script,int32_t k,char *str,int32_t *lenp)
{
int32_t n,c,len; char tmp[4];
*lenp = 0;
c = str[0];
n = is_hexstr(str,0);
if ( n > 0 )
{
if ( (n & 1) != 0 )
len = (n+1) >> 1;
else len = n >> 1;
if ( len > 0 && len < 76 )
{
if ( len == 1 )
{
if ( n == 1 )
{
tmp[0] = '0';
tmp[1] = c;
tmp[2] = 0;
decode_hex(&script[k],1,tmp), (*lenp) = 1;
iguana_pushdata(stacks,script[k],0,0);
if ( script[k] != 0 )
script[k++] += (IGUANA_OP_1 - 1);
return(k);
}
else if ( n == 2 && c == '1' && str[1] == '0' && is_delim(str[2]) != 0 )
{
script[k++] = (IGUANA_OP_1 - 1) + 0x10, (*lenp) = 2;
iguana_pushdata(stacks,0x10,0,0);
return(k);
}
else if ( n == 2 && c == '8' && is_delim(str[2]) != 0 )
{
if ( str[1] == '1' )
{
script[k++] = IGUANA_OP_1NEGATE, (*lenp) = 2;
iguana_pushdata(stacks,-1,0,0);
return(k);
}
else if ( str[1] == '0' )
{
script[k++] = IGUANA_OP_0, (*lenp) = 2;
iguana_pushdata(stacks,0,0,0);
return(k);
}
}
}
if ( len != 0 )
script[k++] = len;
}
else if ( len <= 0xff )
{
script[k++] = IGUANA_OP_PUSHDATA1;
script[k++] = len;
}
else if ( len <= 0xffff )
{
if ( len <= MAX_SCRIPT_ELEMENT_SIZE )
{
script[k++] = IGUANA_OP_PUSHDATA2;
script[k++] = (len & 0xff);
script[k++] = ((len >> 8) & 0xff);
}
else
{
printf("len.%d > MAX_SCRIPT_ELEMENT_SIZE.%d, offset.%d\n",len,MAX_SCRIPT_ELEMENT_SIZE,k);
return(-1);
}
}
else
{
printf("len.%d > MAX_SCRIPT_ELEMENT_SIZE.%d, offset.%d\n",len,MAX_SCRIPT_ELEMENT_SIZE,k);
return(-1);
}
if ( len != 0 )
{
uint8_t *numstart; int32_t numlen;
numstart = &script[k], numlen = len;
if ( (n & 1) != 0 )
{
tmp[0] = '0';
tmp[1] = c;
tmp[2] = 0;
decode_hex(&script[k++],1,tmp), *lenp = 1;
len--;
}
if ( len != 0 )
{
decode_hex(&script[k],len,str), (*lenp) += (len << 1);
k += len;
}
iguana_pushdata(stacks,0,numstart,numlen);
}
return(k);
}
return(0);
}
void iguana_stack(struct iguana_interpreter *stacks,struct iguana_stackdata *args,int32_t num,char *pushstr,char *clonestr)
{
int32_t i,c;
while ( (c= *pushstr++) != 0 )
stacks->stack[stacks->stackdepth++] = args[c - '0'];
while ( (c= *clonestr++) != 0 )
stacks->stack[stacks->stackdepth++] = iguana_clone(args[c - '0']);
if ( num > 0 )
{
for (i=0; i<num; i++)
memset(&args[i],0,sizeof(args[i]));
}
}
int32_t iguana_checksig(void *ctx,struct iguana_stackdata pubkeyarg,struct iguana_stackdata sigarg,bits256 sigtxid)
{
uint8_t pubkey[MAX_SCRIPT_ELEMENT_SIZE],sig[MAX_SCRIPT_ELEMENT_SIZE]; int32_t retval,plen,siglen;
plen = iguana_databuf(pubkey,pubkeyarg);
siglen = iguana_databuf(sig,sigarg);
if ( bitcoin_pubkeylen(pubkey) == plen && plen > 0 && siglen > 0 && siglen < 74 )
{
if ( (retval= (bitcoin_verify(ctx,sig,siglen-1,sigtxid,pubkey,plen) == 0)) == 0 )
{
}
if ( (0) )
{
int32_t i; char str[65];
for (i=0; i<siglen; i++)
printf("%02x",sig[i]);
printf(" sig, ");
for (i=0; i<plen; i++)
printf("%02x",pubkey[i]);
printf(" checksig sigtxid.%s, retval.%d\n",bits256_str(str,sigtxid),retval);
}
return(retval);
}
return(0);
}
int32_t iguana_checkprivatekey(void *ctx,struct iguana_stackdata pubkeyarg,struct iguana_stackdata privkeyarg)
{
uint8_t pubkey[MAX_SCRIPT_ELEMENT_SIZE],privkey[MAX_SCRIPT_ELEMENT_SIZE],checkpub[33]; int32_t plen,privlen;
plen = iguana_databuf(pubkey,pubkeyarg);
privlen = iguana_databuf(privkey,privkeyarg);
if ( bitcoin_pubkeylen(pubkey) == plen && plen > 0 && privlen == 32 )
{
bitcoin_pubkey33(ctx,checkpub,*(bits256 *)privkey);
return(memcmp(checkpub,pubkey,33) == 0);
}
return(0);
}
int32_t iguana_checkschnorrsig(void *ctx,int64_t M,struct iguana_stackdata pubkeyarg,struct iguana_stackdata sigarg,bits256 sigtxid)
{
/*uint8_t combined_pub[MAX_SCRIPT_ELEMENT_SIZE],sig[MAX_SCRIPT_ELEMENT_SIZE]; int32_t plen,siglen;
plen = iguana_databuf(combined_pub,pubkeyarg);
siglen = iguana_databuf(sig,sigarg);
if ( bitcoin_pubkeylen(combined_pub) == 33 && siglen == 64 )
return(bitcoin_schnorr_verify(ctx,sig,sigtxid,combined_pub,33) == 0);*/
return(0);
}
int32_t iguana_checkmultisig(void *ctx,struct iguana_interpreter *stacks,int32_t M,int32_t N,bits256 txhash2)
{
int32_t i,j=0,len,n,m,valid=0,numsigners = 0,siglens[MAX_PUBKEYS_PER_MULTISIG]; uint8_t pubkeys[MAX_PUBKEYS_PER_MULTISIG][MAX_SCRIPT_ELEMENT_SIZE],sigs[MAX_PUBKEYS_PER_MULTISIG][MAX_SCRIPT_ELEMENT_SIZE];
if ( M <= N && N <= MAX_PUBKEYS_PER_MULTISIG )
{
if ( stacks->stackdepth <= 0 )
return(0);
n = (int32_t)iguana_num(iguana_pop(stacks));
if ( n != N )
{
printf("iguana_checkmultisig n.%d != N.%d\n",n,N);
return(0);
}
//printf("n.%d stackdepth.%d\n",n,stacks->stackdepth);
for (i=0; i<N; i++)
{
if ( stacks->stackdepth <= 0 )
return(0);
len = iguana_databuf(pubkeys[i],iguana_pop(stacks));
if ( len == bitcoin_pubkeylen(pubkeys[i]) )
{
numsigners++;
//for (j=0; j<33; j++)
// printf("%02x",pubkeys[i][j]);
//printf(" <- pubkey.[%d]\n",i);
}
else
{
printf("nonpubkey on stack\n");
return(0);
memcpy(sigs[0],pubkeys[i],len);
siglens[0] = len;
break;
}
}
if ( stacks->stackdepth <= 0 )
return(0);
m = (int32_t)iguana_num(iguana_pop(stacks));
//printf("m.%d stackdepth.%d\n",m,stacks->stackdepth);
if ( m != M )
{
printf("iguana_checkmultisig m.%d != M.%d\n",m,M);
return(0);
}
for (i=0; i<numsigners; i++)
{
if ( stacks->stackdepth <= 0 )
return(0);
siglens[i] = iguana_databuf(sigs[i],iguana_pop(stacks));
if ( siglens[i] <= 0 || siglens[i] > 74 )
break;
//for (j=0; j<siglens[i]; j++)
// printf("%02x",sigs[i][j]);
//printf(" <- sigs[%d]\n",i);
}
if ( i == numsigners )
{
//char str[65]; printf("depth.%d sigtxid.(%s)\n",stacks->stackdepth,bits256_str(str,txhash2));
if ( stacks->stackdepth > 0 )
iguana_pop(stacks); // for backward compatibility
j = numsigners-1;
for (i=numsigners-1; i>=0; i--)
{
for (; j>=0; j--)
{
if ( bitcoin_verify(ctx,sigs[i],siglens[i]-1,txhash2,pubkeys[j],bitcoin_pubkeylen(pubkeys[j])) == 0 )
{
if ( ++valid >= M )
return(1);
j--;
break;
}
}
}
}
}
printf("checkmultisig: valid.%d j.%d M.%d N.%d numsigners.%d\n",valid,j,M,N,numsigners);
return(0);
}
#define LOCKTIME_THRESHOLD 500000000
int32_t iguana_checklocktimeverify(void *ctx,int64_t tx_lockval,uint32_t nSequence,struct iguana_stackdata Snum)
{
int64_t nLockTime = iguana_num(Snum);
if ( nLockTime < 0 || tx_lockval < 0 )
{
printf("CLTV.0 nLockTime.%lld tx_lockval.%lld\n",(long long)nLockTime,(long long)tx_lockval);
return(-1);
}
else if ( ((tx_lockval < LOCKTIME_THRESHOLD && nLockTime < LOCKTIME_THRESHOLD) ||
(tx_lockval >= LOCKTIME_THRESHOLD && nLockTime >= LOCKTIME_THRESHOLD)) == 0 )
{
printf("CLTV.1 nLockTime.%lld tx_lockval.%lld\n",(long long)nLockTime,(long long)tx_lockval);
return(-1);
}
else if ( nLockTime > tx_lockval )
{
printf("CLTV.2 nLockTime.%lld tx_lockval.%lld\n",(long long)nLockTime,(long long)tx_lockval);
return(-1);
}
return(0);
}
int32_t iguana_checksequenceverify(void *ctx,int64_t nLockTime,uint32_t nSequence,struct iguana_stackdata Snum)
{
return(0);
}
cJSON *iguana_spendasm(uint8_t *spendscript,int32_t spendlen)
{
char asmstr[IGUANA_MAXSCRIPTSIZE*2+1]; cJSON *spendasm = cJSON_CreateObject();
iguana_expandscript(asmstr,sizeof(asmstr),spendscript,spendlen);
//int32_t i; for (i=0; i<spendlen; i++)
// printf("%02x",spendscript[i]);
//printf(" -> (%s)\n",asmstr);
jaddstr(spendasm,"interpreter",asmstr);
return(spendasm);
}
int32_t bitcoin_assembler(void *ctx,cJSON *logarray,uint8_t script[IGUANA_MAXSCRIPTSIZE],cJSON *interpreter,int32_t interpret,int64_t nLockTime,struct vin_info *V)
{
struct bitcoin_opcode *op; cJSON *array = 0; struct iguana_interpreter STACKS,*stacks = &STACKS;
struct iguana_stackdata args[MAX_PUBKEYS_PER_MULTISIG];
uint8_t databuf[MAX_SCRIPT_ELEMENT_SIZE]; char *asmstr,*str,*hexstr; cJSON *item;
int32_t c,numops,dlen,plen,numvars,numused,numargs=0,i,j,k,n=0,len,datalen,errs=0; int64_t val;
iguana_optableinit();
if ( (asmstr= jstr(interpreter,"interpreter")) == 0 || asmstr[0] == 0 )
return(0);
if ( (numvars= juint(interpreter,"numvars")) > 0 )
{
if ( (array= jarray(&n,interpreter,"args")) == 0 || (interpret != 0 && n != numvars) )
return(-2);
}
str = asmstr;
if ( interpret != 0 )
{
stacks = calloc(1,sizeof(*stacks) + sizeof(*stacks->stack)*2*IGUANA_MAXSTACKITEMS);
stacks->maxstackdepth = IGUANA_MAXSTACKITEMS;
if ( (stacks->logarray= logarray) != 0 )
item = cJSON_CreateObject();
else item = 0;
if ( V->M == 0 && V->N == 0 )
V->N = V->M = 1;
for (i=0; i<V->N; i++)
{
if ( V->signers[i].siglen != 0 )
{
iguana_pushdata(stacks,0,V->signers[i].sig,V->signers[i].siglen);
if ( bitcoin_pubkeylen(V->signers[i].pubkey) <= 0 )
{
printf("missing pubkey.[%d]\n",i);
free(stacks);
return(-1);
}
//printf("pushdata siglen.%d depth.%d\n",V->signers[i].siglen,stacks->stackdepth);
}
}
for (i=0; i<V->N; i++)
{
if ( V->signers[i].siglen != 0 )
{
plen = bitcoin_pubkeylen(V->signers[i].pubkey);
if ( V->suppress_pubkeys == 0 && (V->spendscript[0] != plen || V->spendscript[V->spendlen - 1] != IGUANA_OP_CHECKSIG || bitcoin_pubkeylen(&V->spendscript[1]) <= 0) )
{
iguana_pushdata(stacks,0,V->signers[i].pubkey,plen);
//printf(">>>>>>>>> suppress.%d pushdata [%02x %02x] plen.%d depth.%d\n",V->suppress_pubkeys,V->signers[i].pubkey[0],V->signers[i].pubkey[1],plen,stacks->stackdepth);
} // else printf("<<<<<<<<<< skip pubkey push %d script[0].%d spendlen.%d depth.%d\n",plen,V->spendscript[0],V->spendlen,stacks->stackdepth);
}
}
if ( V->userdatalen != 0 )
{
len = 0;
while ( len < V->userdatalen )
{
dlen = V->userdata[len++];
if ( dlen > 0 && dlen < 76 )
iguana_pushdata(stacks,0,&V->userdata[len],dlen), len += dlen;
else if ( dlen >= IGUANA_OP_1 && dlen <= IGUANA_OP_16 )
{
dlen -= (IGUANA_OP_1 - 1);
iguana_pushdata(stacks,dlen,0,0);
}
else if ( dlen == IGUANA_OP_PUSHDATA1 )
{
iguana_pushdata(stacks,V->userdata[len++],0,0);
}
else if ( dlen == IGUANA_OP_PUSHDATA2 )
{
iguana_pushdata(stacks,V->userdata[len] + ((int32_t)V->userdata[len+1]<<8),0,0);
len += 2;
}
else if ( dlen == IGUANA_OP_0 )
iguana_pushdata(stacks,0,0,0);
else if ( dlen == IGUANA_OP_1NEGATE )
iguana_pushdata(stacks,-1,0,0);
else
{
printf("invalid data opcode %02x\n",dlen);
free(stacks);
return(-1);
}
//printf("user data stackdepth.%d dlen.%d\n",stacks->stackdepth,dlen);
}
if ( len != V->userdatalen )
{
printf("mismatched userdatalen %d vs %d\n",len,V->userdatalen);
free(stacks);
return(-1);
}
}
if ( item != 0 && stacks->logarray != 0 )
{
jaddstr(item,"spendasm",asmstr);
jaddi(stacks->logarray,item);
}
if ( V->extras != 0 )
{
if ( (n= cJSON_GetArraySize(V->extras)) > 0 )
{
for (i=0; i<n; i++)
{
if ( (hexstr= jstr(jitem(V->extras,i),0)) != 0 && (len= is_hexstr(hexstr,0)) > 0 )
{
len >>= 1;
decode_hex(databuf,len,hexstr);
iguana_pushdata(stacks,0,databuf,len);
}
}
}
}
} else memset(stacks,0,sizeof(*stacks));
stacks->lastpath[0] = 1;
k = numops = numused = 0;
script[k] = 0;
while ( (c= *str++) != 0 )
{
if ( is_delim(c) != 0 )
{
//if ( c == 0 )
// break;
continue;
}
if ( c == '/' && *str == '/' ) // support //
break;
else if ( c == '-' && *str == '1' && is_delim(str[1]) != 0 )
{
script[k++] = IGUANA_OP_1NEGATE, str += 3; // OP_1NEGATE;
iguana_pushdata(stacks,-1,0,0);
continue;
}
else if ( c == '%' && *str == 's' )
{
str++;
if ( numused < numvars && (hexstr= jstr(jitem(array,numused++),0)) != 0 )
{
if ( (n= iguana_dataparse(stacks,script,k,str,&len)) > 0 )
{
k += n;
continue;
}
}
printf("dataparse error.%d, numused.%d >= numvars.%d\n",n,numused,numvars);
errs++;
break;
}
else
{
str--;
if ( (n= iguana_dataparse(stacks,script,k,str,&len)) > 0 )
{
k = n;
str += len;
continue;
}
else if ( n < 0 )
{
printf("dataparse negative n.%d\n",n);
errs++;
break;
}
}
for (j=0; j<32; j++)
if ( is_delim(str[j]) != 0 )
break;
if ( j == 32 )
{
printf("too long opcode.%s at offset.%ld\n",str,(long)str-(long)asmstr);
errs++;
break;
}
HASH_FIND(hh,OPTABLE,str,j,op);
printf("{%s}\n",str);
str += j;
if ( op != 0 )
{
if ( numargs > 0 )
{
for (i=0; i<numargs; i++)
if ( args[i].data != 0 )
{
printf("filter free\n");
free(args[i].data);
}
}
memset(args,0,sizeof(args));
numargs = 0;
script[k++] = op->opcode;
if ( (op->flags & IGUANA_CONTROLFLAG) != 0 )
{
//printf("control opcode depth.%d\n",stacks->stackdepth);
switch ( op->opcode )
{
case IGUANA_OP_IF: case IGUANA_OP_NOTIF:
if ( stacks->ifdepth >= IGUANA_MAXSTACKDEPTH )
{
printf("ifdepth.%d >= MAXSTACKDEPTH.%d\n",stacks->ifdepth,IGUANA_MAXSTACKDEPTH);
errs++;
}
else
{
if ( stacks->stackdepth <= 0 )
{
printf("if invalid stackdepth %d\n",stacks->stackdepth);
errs++;
}
else
{
args[0] = iguana_pop(stacks);
if ( iguana_isnonz(args[0]) == (op->opcode == IGUANA_OP_IF) )
{
val = 1;
//printf("OP_IF enabled depth.%d\n",stacks->stackdepth);
}
else
{
val = -1;
//printf("OP_IF disabled depth.%d\n",stacks->stackdepth);
}
stacks->lastpath[++stacks->ifdepth] = val;
}
}
break;
case IGUANA_OP_ELSE:
/*if ( stacks->stackdepth <= 0 )
{
printf("else invalid stackdepth %d\n",stacks->stackdepth);
errs++;
}
else*/
{
if ( stacks->ifdepth <= stacks->elsedepth )
{
printf("unhandled opcode.%02x stacks->ifdepth %d <= %d stacks->elsedepth\n",op->opcode,stacks->ifdepth,stacks->elsedepth);
errs++;
}
stacks->lastpath[stacks->ifdepth] *= -1;
//printf("OP_ELSE status.%d depth.%d\n",stacks->lastpath[stacks->ifdepth],stacks->stackdepth);
}
break;
case IGUANA_OP_ENDIF:
if ( stacks->ifdepth <= 0 )
{
printf("endif without if offset.%ld\n",(long)str-(long)asmstr);
errs++;
}
stacks->ifdepth--;
//printf("OP_ENDIF status.%d depth.%d\n",stacks->lastpath[stacks->ifdepth],stacks->stackdepth);
break;
case IGUANA_OP_VERIFY:
break;
case IGUANA_OP_RETURN:
iguana_pushdata(stacks,0,0,0);
errs++;
break;
}
if ( errs != 0 )
break;
continue;
}
if ( stacks->lastpath[stacks->ifdepth] != 0 )
{
if ( stacks->lastpath[stacks->ifdepth] < 0 )
{
//printf("SKIP opcode.%02x depth.%d\n",op->opcode,stacks->stackdepth);
if ( stacks->logarray )
jaddistr(stacks->logarray,"skip");
continue;
}
//printf("conditional opcode.%02x stackdepth.%d\n",op->opcode,stacks->stackdepth);
}
if ( op->opcode <= IGUANA_OP_16 || ++numops <= MAX_OPS_PER_SCRIPT )
{
if ( (op->flags & IGUANA_ALWAYSILLEGAL) != 0 )
{
printf("disabled opcode.%s at offset.%ld\n",str,(long)str-(long)asmstr);
errs++;
break;
}
else if ( op->extralen > 0 )
{
if ( is_delim(*str) != 0 )
str++;
if ( is_hexstr(str,0) != (op->extralen<<1) )
{
printf("expected extralen.%d of hex, got.(%s) at offset.%ld\n",op->extralen,str,(long)str-(long)asmstr);
errs++;
break;
}
decode_hex(&script[k],op->extralen,str), str += (op->extralen << 1);
if ( op->extralen == 1 )
iguana_pushdata(stacks,script[k],0,0);
else if ( op->extralen == 2 )
iguana_pushdata(stacks,script[k] + ((uint32_t)script[k]<<8),0,0);
k += op->extralen;
continue;
}
if ( interpret == 0 || V == 0 )
continue;
if ( (op->flags & IGUANA_NOPFLAG) != 0 )
continue;
if ( (numargs= op->stackitems) > 0 )
{
if ( stacks->stackdepth < op->stackitems )
{
//printf("stackdepth.%d needed.%d (%s) at offset.%ld\n",stacks->stackdepth,op->stackitems,str,(long)str-(long)asmstr);
errs++;
break;
}
for (i=0; i<numargs; i++)
args[numargs - 1 - i] = iguana_pop(stacks);
}
//printf("%02x: numargs.%d depth.%d\n",op->opcode,numargs,stacks->stackdepth);
if ( stacks->logarray != 0 )
{
char tmpstr[1096];
item = cJSON_CreateObject();
array = cJSON_CreateArray();
for (i=0; i<numargs; i++)
{
datalen = iguana_databuf(databuf,args[i]);
init_hexbytes_noT(tmpstr,databuf,datalen);
jaddistr(array,tmpstr);
}
jadd(item,(char *)op->hh.key,array);
jaddi(stacks->logarray,item);
}
if ( (op->flags & IGUANA_EXECUTIONILLEGAL) != 0 )
{
printf("opcode not allowed to run.%s at %ld\n",(char *)op->hh.key,(long)str-(long)asmstr);
errs++;
break;
}
else if ( op->opcode == IGUANA_OP_EQUALVERIFY || op->opcode == IGUANA_OP_EQUAL )
{
if ( iguana_cmp(&args[0],&args[1]) == 0 )
iguana_pushdata(stacks,1,0,0);
else
{
iguana_pushdata(stacks,0,0,0);
for (i=0; i<args[0].size; i++)
printf("%02x",args[0].U.pubkey[i]);
printf(" <- args[0]\n");
for (i=0; i<args[1].size; i++)
printf("%02x",args[1].U.pubkey[i]);
printf(" <- args[1]\n");
printf("OP_EQUAL.%02x %d vs %d\n",op->opcode,args[0].size,args[1].size);
}
}
else if ( (op->flags & IGUANA_CRYPTOFLAG) != 0 )
{
uint8_t rmd160[20],revdatabuf[MAX_SCRIPT_ELEMENT_SIZE]; bits256 hash;
datalen = iguana_databuf(databuf,args[0]);
for (i=0; i<datalen; i++)
revdatabuf[i] = databuf[datalen-1-i];
switch ( op->opcode )
{
case IGUANA_OP_RIPEMD160:
calc_rmd160(0,rmd160,databuf,datalen);
iguana_pushdata(stacks,0,rmd160,sizeof(rmd160));
break;
case IGUANA_OP_SHA1:
calc_sha1(0,rmd160,databuf,datalen);
iguana_pushdata(stacks,0,rmd160,sizeof(rmd160));
break;
case IGUANA_OP_HASH160:
/*if ( datalen == 32 )
{
revcalc_rmd160_sha256(rmd160,*(bits256 *)databuf);
printf("SPECIAL CASE REVERSE\n");
} else
for (i=0; i<32; i++)
printf("%02x",databuf[i]);
printf(" <- databuf\n");
for (i=0; i<32; i++)
printf("%02x",revdatabuf[i]);
printf(" <- revdatabuf\n");
calc_rmd160_sha256(rmd160,revdatabuf,datalen);
for (i=0; i<20; i++)
printf("%02x",rmd160[i]);
printf(" <- rmd160 revdatabuf\n");
revcalc_rmd160_sha256(rmd160,*(bits256 *)databuf);
for (i=0; i<20; i++)
printf("%02x",rmd160[i]);
printf(" <- rmd160 special\n");
calc_rmd160_sha256(rmd160,databuf,datalen);
for (i=0; i<20; i++)
printf("%02x",rmd160[i]);
printf(" <- rmd160 databuf\n");*/
if ( datalen == 32 )
calc_rmd160_sha256(rmd160,revdatabuf,datalen);
else calc_rmd160_sha256(rmd160,databuf,datalen);
iguana_pushdata(stacks,0,rmd160,sizeof(rmd160));
break;
case IGUANA_OP_SHA256:
vcalc_sha256(0,hash.bytes,databuf,datalen);
for (i=0; i<datalen; i++)
printf("%02x",databuf[i]);
printf(" -> sha256 %s\n",bits256_str(str,hash));
iguana_pushdata(stacks,0,hash.bytes,sizeof(hash));
break;
case IGUANA_OP_HASH256:
hash = bits256_doublesha256(0,databuf,datalen);
iguana_pushdata(stacks,0,hash.bytes,sizeof(hash));
break;
case IGUANA_OP_CHECKSIG: case IGUANA_OP_CHECKSIGVERIFY:
iguana_pushdata(stacks,iguana_checksig(ctx,args[1],args[0],V->sigtxid),0,0);
break;
case IGUANA_OP_CHECKMULTISIG: case IGUANA_OP_CHECKMULTISIGVERIFY:
iguana_pushdata(stacks,iguana_checkmultisig(ctx,stacks,V->M,V->N,V->sigtxid),0,0);
break;
case IGUANA_OP_CHECKSCHNORR: case IGUANA_OP_CHECKSCHNORRVERIFY:
iguana_pushdata(stacks,iguana_checkschnorrsig(ctx,iguana_num(args[2]),args[1],args[0],V->sigtxid),0,0);
break;
case IGUANA_OP_CHECKPRIVATEKEY: case IGUANA_OP_CHECKPRIVATEKEYVERIFY:
iguana_pushdata(stacks,iguana_checkprivatekey(ctx,args[1],args[0]),0,0);
break;
}
}
else if ( op->opcode == IGUANA_OP_CHECKLOCKTIMEVERIFY ) // former OP_NOP2
{
if ( V->ignore_cltverr == 0 && iguana_checklocktimeverify(ctx,nLockTime,V->sequence,args[0]) < 0 )
{
iguana_stack(stacks,args,1,"0","");
errs++;
break;
}
iguana_stack(stacks,args,1,"0","");
continue;
}
else if ( op->opcode == IGUANA_OP_CHECKSEQUENCEVERIFY ) // former OP_NOP3
{
if ( iguana_checksequenceverify(ctx,nLockTime,V->sequence,args[0]) < 0 )
{
iguana_stack(stacks,args,1,"0","");
errs++;
break;
}
iguana_stack(stacks,args,1,"0","");
continue;
}
else if ( (op->flags & IGUANA_STACKFLAG) != 0 )
{
val = 0;
if ( op->opcode == IGUANA_OP_PICK || op->opcode == IGUANA_OP_ROLL )
{
if ( interpret != 0 && stacks->stackdepth < (val= iguana_num(args[0])) )
{
printf("stack not deep enough %d < %lld\n",stacks->stackdepth,(long long)iguana_num(args[0]));
errs++;
break;
}
if ( op->opcode == IGUANA_OP_PICK )
{
stacks->stack[stacks->stackdepth] = iguana_clone(stacks->stack[stacks->stackdepth - 1 - val]);
stacks->stackdepth++;
}
else
{
args[1] = stacks->stack[stacks->stackdepth - 1 - val];
for (i=(int32_t)(stacks->stackdepth-1-val); i<stacks->stackdepth-1; i++)
stacks->stack[i] = stacks->stack[i+1];
stacks->stack[stacks->stackdepth - 1] = args[1];
}
}
else
{
switch ( op->opcode )
{
case IGUANA_OP_TOALTSTACK:
if ( stacks->altstackdepth < stacks->maxstackdepth )
{
iguana_altpush(stacks,args[0]);
memset(&args[0],0,sizeof(args[0]));
}
else
{
printf("altstack overflow %d vs %d\n",stacks->altstackdepth,stacks->maxstackdepth);
errs++;
}
break;
case IGUANA_OP_FROMALTSTACK:
stacks->stack[stacks->stackdepth++] = iguana_altpop(stacks);
break;
case IGUANA_OP_DEPTH: iguana_pushdata(stacks,stacks->stackdepth,0,0); break;
case IGUANA_OP_DROP: case IGUANA_OP_2DROP: break;
case IGUANA_OP_3DUP: iguana_stack(stacks,args,3,"012","012"); break;
case IGUANA_OP_2OVER: iguana_stack(stacks,args,4,"0123","01"); break;
case IGUANA_OP_2ROT: iguana_stack(stacks,args,6,"234501",""); break;
case IGUANA_OP_2SWAP: iguana_stack(stacks,args,4,"2301",""); break;
case IGUANA_OP_IFDUP:
if ( iguana_isnonz(args[0]) != 0 )
iguana_stack(stacks,args,0,"","0");
iguana_stack(stacks,args,1,"0","");
break;
case IGUANA_OP_DUP: iguana_stack(stacks,args,1,"0","0"); break;
case IGUANA_OP_2DUP: iguana_stack(stacks,args,2,"01","01"); break;
case IGUANA_OP_NIP:
if ( args[0].data != 0 )
free(args[0].data);
iguana_stack(stacks,args,2,"1","");
break;
case IGUANA_OP_OVER: iguana_stack(stacks,args,2,"01","0"); break;
case IGUANA_OP_ROT: iguana_stack(stacks,args,3,"120",""); break;
case IGUANA_OP_SWAP: iguana_stack(stacks,args,2,"10",""); break;
case IGUANA_OP_TUCK: iguana_stack(stacks,args,2,"10","1"); break;
}
}
}
else if ( (op->flags & IGUANA_MATHFLAG) != 0 )
{
int64_t numA=0,numB=0,numC=0;
for (i=0; i<op->stackitems; i++)
{
if ( args[i].size != sizeof(int32_t) )
break;
if ( i == 0 )
numA = iguana_num(args[i]);
else if ( i == 1 )
numB = iguana_num(args[i]);
else if ( i == 2 )
numC = iguana_num(args[i]);
}
if ( i != op->stackitems )
{
printf("math script non-int32_t arg[%d] of %d\n",i,op->stackitems);
errs++;
break;
}
switch ( op->opcode )
{
case IGUANA_OP_1ADD: iguana_pushdata(stacks,numA + 1,0,0); break;
case IGUANA_OP_1SUB: iguana_pushdata(stacks,numA - 1,0,0); break;
case IGUANA_OP_NEGATE: iguana_pushdata(stacks,-numA,0,0); break;
case IGUANA_OP_ABS: iguana_pushdata(stacks,numA<0?-numA:numA,0,0); break;
case IGUANA_OP_NOT: iguana_pushdata(stacks,numA == 0,0,0); break;
case IGUANA_OP_0NOTEQUAL: iguana_pushdata(stacks,numA != 0,0,0); break;
case IGUANA_OP_ADD: iguana_pushdata(stacks,numA + numB,0,0); break;
case IGUANA_OP_SUB: iguana_pushdata(stacks,numA - numB,0,0); break;
case IGUANA_OP_BOOLAND:iguana_pushdata(stacks,numA != 0 && numB != 0,0,0); break;
case IGUANA_OP_BOOLOR: iguana_pushdata(stacks,numA != 0 || numB != 0,0,0); break;
case IGUANA_OP_NUMEQUAL: case IGUANA_OP_NUMEQUALVERIFY:
iguana_pushdata(stacks,numA == numB,0,0); break;
case IGUANA_OP_NUMNOTEQUAL:iguana_pushdata(stacks,numA != numB,0,0); break;
case IGUANA_OP_LESSTHAN: iguana_pushdata(stacks,numA < numB,0,0); break;
case IGUANA_OP_GREATERTHAN:iguana_pushdata(stacks,numA > numB,0,0); break;
case IGUANA_OP_LESSTHANOREQUAL:iguana_pushdata(stacks,numA <= numB,0,0); break;
case IGUANA_OP_GREATERTHANOREQUAL:iguana_pushdata(stacks,numA >= numB,0,0); break;
case IGUANA_OP_MIN: iguana_pushdata(stacks,numA <= numB ? numA : numB,0,0); break;
case IGUANA_OP_MAX: iguana_pushdata(stacks,numA >= numB ? numA : numB,0,0); break;
case IGUANA_OP_WITHIN: iguana_pushdata(stacks,numB <= numA && numA < numC,0,0); break;
}
}
else if ( op->opcode == IGUANA_OP_CODESEPARATOR )
{
if ( stacks != 0 )
stacks->codeseparator = k;
continue;
}
else
{
printf("unhandled opcode.%02x (%s)\n",op->opcode,str);
errs++;
break;
}
if ( (op->flags & IGUANA_POSTVERIFY) != 0 )
{
if ( stacks->stackdepth < 1 )
{
printf("empty stack at offset.%ld\n",(long)str - (long)asmstr);
errs++;
break;
}
if ( iguana_isnonz(stacks->stack[stacks->stackdepth-1]) == 0 )
break;
iguana_pop(stacks);
}
}
else
{
printf("too many ops opcode.%s at offset.%ld\n",str,(long)str - (long)asmstr);
errs++;
break;
}
}
else
{
printf("unknown opcode.%s at offset.%ld\n",str,(long)str - (long)asmstr);
errs++;
break;
}
}
if ( stacks != &STACKS )
{
if ( jobj(interpreter,"result") != 0 )
jdelete(interpreter,"result");
if ( stacks->stackdepth <= 0 )
{
errs++;
printf("empty stack error\n");
jaddstr(interpreter,"error","empty stack");
jadd(interpreter,"result",jfalse());
}
else if ( iguana_isnonz(stacks->stack[--stacks->stackdepth]) != 0 )
{
//printf("Evaluate true, depth.%d errs.%d k.%d\n",stacks->stackdepth,errs,k);
if ( errs == 0 )
jadd(interpreter,"result",jtrue());
else jadd(interpreter,"result",jfalse());
}
else
{
jadd(interpreter,"result",jfalse());
printf("Evaluate FALSE, depth.%d errs.%d [0] size.%d val.%d\n",stacks->stackdepth,errs,stacks->stack[0].size,stacks->stack[0].U.val);
errs++;
if ( stacks->logarray != 0 )
printf("LOG.(%s)\n\n",jprint(stacks->logarray,0));
}
if ( numargs > 0 )
{
for (i=0; i<numargs; i++)
if ( args[i].data != 0 )
{
printf("filter free\n");
//free(args[i].U.data);
}
}
free(stacks);
}
if ( errs == 0 )
return(k);
else return(-errs);
}
/*void calc_rmd160_sha256(uint8_t rmd160[20],uint8_t *data,int32_t datalen)
{
bits256 hash;
vcalc_sha256(0,hash.bytes,data,datalen);
calc_rmd160(0,rmd160,hash.bytes,sizeof(hash));
}*/
void revcalc_rmd160_sha256(uint8_t rmd160[20],bits256 revhash)
{
bits256 hash; int32_t i;
for (i=0; i<32; i++)
hash.bytes[i] = revhash.bytes[31-i];
calc_rmd160_sha256(rmd160,hash.bytes,sizeof(hash));
}
bits256 revcalc_sha256(bits256 revhash)
{
bits256 hash,dest; int32_t i;
for (i=0; i<32; i++)
hash.bytes[i] = revhash.bytes[31-i];
vcalc_sha256(0,dest.bytes,hash.bytes,sizeof(hash));
return(dest);
}
int32_t bitcoin_pubkeyspend(uint8_t *script,int32_t n,uint8_t pubkey[66])
{
int32_t plen = bitcoin_pubkeylen(pubkey);
script[n++] = plen;
memcpy(&script[n],pubkey,plen);
n += plen;
script[n++] = SCRIPT_OP_CHECKSIG;
return(n);
}
int32_t bitcoin_p2shspend(uint8_t *script,int32_t n,uint8_t rmd160[20])
{
script[n++] = SCRIPT_OP_HASH160;
script[n++] = 0x14; memcpy(&script[n],rmd160,0x14); n += 0x14;
script[n++] = SCRIPT_OP_EQUAL;
return(n);
}
int32_t bitcoin_secret160verify(uint8_t *script,int32_t n,uint8_t secret160[20])
{
script[n++] = SCRIPT_OP_HASH160;
script[n++] = 0x14;
memcpy(&script[n],secret160,0x14);
n += 0x14;
script[n++] = SCRIPT_OP_EQUALVERIFY;
return(n);
}
int32_t bitcoin_secret256spend(uint8_t *script,int32_t n,bits256 secret)
{
script[n++] = SCRIPT_OP_SHA256;
script[n++] = 0x20;
memcpy(&script[n],secret.bytes,0x20);
n += 0x20;
script[n++] = SCRIPT_OP_EQUAL;
return(n);
}
// OP_DUP OP_HASH160 <hash of pubkey> OP_EQUALVERIFY OP_CHECKSIG
int32_t bitcoin_standardspend(uint8_t *script,int32_t n,uint8_t rmd160[20])
{
script[n++] = SCRIPT_OP_DUP;
script[n++] = SCRIPT_OP_HASH160;
script[n++] = 0x14; memcpy(&script[n],rmd160,0x14); n += 0x14;
script[n++] = SCRIPT_OP_EQUALVERIFY;
script[n++] = SCRIPT_OP_CHECKSIG;
return(n);
}
int32_t bitcoin_checklocktimeverify(uint8_t *script,int32_t n,uint32_t locktime)
{
script[n++] = 4;
script[n++] = locktime & 0xff, locktime >>= 8;
script[n++] = locktime & 0xff, locktime >>= 8;
script[n++] = locktime & 0xff, locktime >>= 8;
script[n++] = locktime & 0xff;
script[n++] = SCRIPT_OP_CHECKLOCKTIMEVERIFY;
script[n++] = SCRIPT_OP_DROP;
return(n);
}
int32_t bitcoin_timelockspend(uint8_t *script,int32_t n,uint8_t rmd160[20],uint32_t timestamp)
{
n = bitcoin_checklocktimeverify(script,n,timestamp);
n = bitcoin_standardspend(script,n,rmd160);
return(n);
}
int32_t bitcoin_MofNspendscript(uint8_t p2sh_rmd160[20],uint8_t *script,int32_t n,const struct vin_info *vp)
{
int32_t i,plen;
script[n++] = 0x50 + vp->M;
for (i=0; i<vp->N; i++)
{
if ( (plen= bitcoin_pubkeylen(vp->signers[i].pubkey)) < 0 )
return(-1);
script[n++] = plen;
memcpy(&script[n],vp->signers[i].pubkey,plen);
n += plen;
}
script[n++] = 0x50 + vp->N;
script[n++] = SCRIPT_OP_CHECKMULTISIG;
calc_rmd160_sha256(p2sh_rmd160,script,n);
return(n);
}
int32_t bitcoin_p2shscript(uint8_t *script,int32_t n,const uint8_t *p2shscript,const int32_t p2shlen)
{
if ( p2shlen >= 0xfd )
{
script[n++] = 0x4d;
script[n++] = (p2shlen & 0xff);
script[n++] = ((p2shlen >> 8) & 0xff);
}
else if ( p2shlen > 76 )
{
script[n++] = 0x4c;
script[n++] = p2shlen;
} else script[n++] = p2shlen;
memcpy(&script[n],p2shscript,p2shlen), n += p2shlen;
return(n);
}
char *bitcoind_passthru(char *coinstr,char *serverport,char *userpass,char *method,char *params)
{
return(bitcoind_RPC(0,coinstr,serverport,userpass,method,params));
}
int32_t bitcoin_addr2rmd160(uint8_t *addrtypep,uint8_t rmd160[20],char *coinaddr)
{
bits256 hash; uint8_t *buf,_buf[25]; int32_t len;
memset(rmd160,0,20);
*addrtypep = 0;
buf = _buf;
if ( (len= bitcoin_base58decode(buf,coinaddr)) >= 4 )
{
// validate with trailing hash, then remove hash
hash = bits256_doublesha256(0,buf,21);
*addrtypep = *buf;
memcpy(rmd160,buf+1,20);
if ( (buf[21]&0xff) == hash.bytes[31] && (buf[22]&0xff) == hash.bytes[30] &&(buf[23]&0xff) == hash.bytes[29] && (buf[24]&0xff) == hash.bytes[28] )
{
//printf("coinaddr.(%s) valid checksum addrtype.%02x\n",coinaddr,*addrtypep);
return(20);
}
else
{
int32_t i;
if ( len > 20 )
{
hash = bits256_doublesha256(0,buf,len);
}
for (i=0; i<len; i++)
printf("%02x ",buf[i]);
char str[65]; printf("\nhex checkhash.(%s) len.%d mismatch %02x %02x %02x %02x vs %02x %02x %02x %02x (%s)\n",coinaddr,len,buf[len-1]&0xff,buf[len-2]&0xff,buf[len-3]&0xff,buf[len-4]&0xff,hash.bytes[31],hash.bytes[30],hash.bytes[29],hash.bytes[28],bits256_str(str,hash));
}
}
return(0);
}
char *bitcoin_address(char *coinaddr,uint8_t addrtype,uint8_t *pubkey_or_rmd160,int32_t len)
{
int32_t i; uint8_t data[25]; bits256 hash;// char checkaddr[65];
if ( len != 20 )
calc_rmd160_sha256(data+1,pubkey_or_rmd160,len);
else memcpy(data+1,pubkey_or_rmd160,20);
//btc_convrmd160(checkaddr,addrtype,data+1);
data[0] = addrtype;
hash = bits256_doublesha256(0,data,21);
for (i=0; i<4; i++)
data[21+i] = hash.bytes[31-i];
if ( (coinaddr= bitcoin_base58encode(coinaddr,data,25)) != 0 )
{
//uint8_t checktype,rmd160[20];
//bitcoin_addr2rmd160(&checktype,rmd160,coinaddr);
//if ( strcmp(checkaddr,coinaddr) != 0 )
// printf("checkaddr.(%s) vs coinaddr.(%s) %02x vs [%02x] memcmp.%d\n",checkaddr,coinaddr,addrtype,checktype,memcmp(rmd160,data+1,20));
}
return(coinaddr);
}
int32_t bitcoin_validaddress(uint8_t pubtype,uint8_t p2shtype,char *coinaddr)
{
uint8_t rmd160[20],addrtype; char checkaddr[128];
if ( coinaddr == 0 || coinaddr[0] == 0 )
return(-1);
else if ( bitcoin_addr2rmd160(&addrtype,rmd160,coinaddr) < 0 )
return(-1);
else if ( addrtype != pubtype && addrtype != p2shtype )
return(-1);
else if ( bitcoin_address(checkaddr,addrtype,rmd160,sizeof(rmd160)) != checkaddr || strcmp(checkaddr,coinaddr) != 0 )
return(-1);
return(0);
}
int32_t base58encode_checkbuf(uint8_t addrtype,uint8_t *data,int32_t data_len)
{
uint8_t i; bits256 hash;
data[0] = addrtype;
//for (i=0; i<data_len+1; i++)
// printf("%02x",data[i]);
//printf(" extpriv -> ");
hash = bits256_doublesha256(0,data,(int32_t)data_len+1);
//for (i=0; i<32; i++)
// printf("%02x",hash.bytes[i]);
//printf(" checkhash\n");
for (i=0; i<4; i++)
data[data_len+i+1] = hash.bytes[31-i];
return(data_len + 5);
}
int32_t bitcoin_wif2priv(uint8_t *addrtypep,bits256 *privkeyp,char *wifstr)
{
int32_t len = -1; bits256 hash; uint8_t buf[256];
memset(buf,0,sizeof(buf));
if ( (len= bitcoin_base58decode(buf,wifstr)) >= 4 )
{
// validate with trailing hash, then remove hash
if ( len < 38 )
len = 38;
hash = bits256_doublesha256(0,buf,len - 4);
*addrtypep = *buf;
memcpy(privkeyp,buf+1,32);
if ( (buf[len - 4]&0xff) == hash.bytes[31] && (buf[len - 3]&0xff) == hash.bytes[30] &&(buf[len - 2]&0xff) == hash.bytes[29] && (buf[len - 1]&0xff) == hash.bytes[28] )
{
//int32_t i; for (i=0; i<len; i++)
// printf("%02x ",buf[i]);
//printf(" buf, hash.%02x %02x %02x %02x ",hash.bytes[28],hash.bytes[29],hash.bytes[30],hash.bytes[31]);
//printf("wifstr.(%s) valid len.%d\n",wifstr,len);
return(32);
}
else
{
int32_t i; for (i=0; i<len; i++)
printf("%02x ",buf[i]);
printf(" buf, hash.%02x %02x %02x %02x\n",hash.bytes[28],hash.bytes[29],hash.bytes[30],hash.bytes[31]);
}
}
return(-1);
}
int32_t bitcoin_priv2wif(char *wifstr,bits256 privkey,uint8_t addrtype)
{
uint8_t data[128]; int32_t len = 32;
memcpy(data+1,privkey.bytes,sizeof(privkey));
data[1 + len++] = 1;
len = base58encode_checkbuf(addrtype,data,len);
if ( bitcoin_base58encode(wifstr,data,len) == 0 )
return(-1);
if ( 1 )
{
uint8_t checktype; bits256 checkpriv; char str[65],str2[65];
if ( bitcoin_wif2priv(&checktype,&checkpriv,wifstr) == sizeof(bits256) )
{
if ( checktype != addrtype || bits256_cmp(checkpriv,privkey) != 0 )
printf("(%s) -> wif.(%s) addrtype.%02x -> %02x (%s)\n",bits256_str(str,privkey),wifstr,addrtype,checktype,bits256_str(str2,checkpriv));
}
}
return((int32_t)strlen(wifstr));
}
int32_t bitcoin_priv2wiflong(char *wifstr,bits256 privkey,uint8_t addrtype)
{
uint8_t data[128]; int32_t len = 32;
memcpy(data+1,privkey.bytes,sizeof(privkey));
len = base58encode_checkbuf(addrtype,data,len);
if ( bitcoin_base58encode(wifstr,data,len) == 0 )
return(-1);
if ( 1 )
{
uint8_t checktype; bits256 checkpriv; char str[65],str2[65];
if ( bitcoin_wif2priv(&checktype,&checkpriv,wifstr) == sizeof(bits256) )
{
if ( checktype != addrtype || bits256_cmp(checkpriv,privkey) != 0 )
printf("(%s) -> wif.(%s) addrtype.%02x -> %02x (%s)\n",bits256_str(str,privkey),wifstr,addrtype,checktype,bits256_str(str2,checkpriv));
}
}
return((int32_t)strlen(wifstr));
}
bits256 LP_privkey(char *coinaddr)
{
bits256 privkey; uint8_t addrtype,rmd160[20];
bitcoin_addr2rmd160(&addrtype,rmd160,coinaddr);
privkey = LP_privkeyfind(rmd160);
return(privkey);
}
bits256 LP_pubkey(bits256 privkey)
{
bits256 pubkey;
pubkey = curve25519(privkey,curve25519_basepoint9());
return(pubkey);
}
char *_setVsigner(uint8_t pubtype,struct vin_info *V,int32_t ind,char *pubstr,char *wifstr)
{
uint8_t addrtype;
decode_hex(V->signers[ind].pubkey,(int32_t)strlen(pubstr)/2,pubstr);
bitcoin_wif2priv(&addrtype,&V->signers[ind].privkey,wifstr);
if ( addrtype != pubtype )
return(clonestr("{\"error\":\"invalid wifA\"}"));
else return(0);
}
uint8_t iguana_addrtype(uint8_t pubtype,uint8_t p2shtype,uint8_t script_type)
{
if ( script_type == IGUANA_SCRIPT_76A988AC || script_type == IGUANA_SCRIPT_AC || script_type == IGUANA_SCRIPT_76AC )
return(pubtype);
else
{
//printf("P2SH type.%d\n",script_type);
return(p2shtype);
}
}
int32_t iguana_scriptgen(uint8_t pubtype,uint8_t p2shtype,int32_t *Mp,int32_t *nump,char *coinaddr,uint8_t *script,char *asmstr,uint8_t rmd160[20],uint8_t type,const struct vin_info *vp,int32_t txi)
{
uint8_t addrtype; char rmd160str[41],pubkeystr[256]; int32_t plen,i,m,n,flag = 0,scriptlen = 0;
m = n = 0;
if ( asmstr != 0 )
asmstr[0] = 0;
addrtype = iguana_addrtype(pubtype,p2shtype,type);
if ( type == IGUANA_SCRIPT_76A988AC || type == IGUANA_SCRIPT_AC || type == IGUANA_SCRIPT_76AC || type == IGUANA_SCRIPT_P2SH )
{
init_hexbytes_noT(rmd160str,rmd160,20);
bitcoin_address(coinaddr,addrtype,rmd160,20);
}
switch ( type )
{
case IGUANA_SCRIPT_NULL:
if ( asmstr != 0 )
strcpy(asmstr,txi == 0 ? "coinbase " : "PoSbase ");
flag++;
coinaddr[0] = 0;
break;
case IGUANA_SCRIPT_76AC:
case IGUANA_SCRIPT_AC:
if ( (plen= bitcoin_pubkeylen(vp->signers[0].pubkey)) < 0 )
return(0);
init_hexbytes_noT(pubkeystr,(uint8_t *)vp->signers[0].pubkey,plen);
if ( asmstr != 0 )
{
if ( type == IGUANA_SCRIPT_76AC )
strcpy(asmstr,"OP_DUP ");
sprintf(asmstr + strlen(asmstr),"%s OP_CHECKSIG // %s",pubkeystr,coinaddr);
}
if ( type == IGUANA_SCRIPT_76AC )
script[scriptlen++] = 0x76;
scriptlen = bitcoin_pubkeyspend(script,scriptlen,(uint8_t *)vp->signers[0].pubkey);
//printf("[%02x] type.%d scriptlen.%d\n",vp->signers[0].pubkey[0],type,scriptlen);
break;
case IGUANA_SCRIPT_76A988AC:
if ( asmstr != 0 )
sprintf(asmstr,"OP_DUP OP_HASH160 %s OP_EQUALVERIFY OP_CHECKSIG // %s",rmd160str,coinaddr);
scriptlen = bitcoin_standardspend(script,0,rmd160);
break;
case IGUANA_SCRIPT_P2SH:
if ( asmstr != 0 )
sprintf(asmstr,"OP_HASH160 %s OP_EQUAL // %s",rmd160str,coinaddr);
scriptlen = bitcoin_p2shspend(script,0,rmd160);
break;
case IGUANA_SCRIPT_OPRETURN:
if ( asmstr != 0 )
strcpy(asmstr,"OP_RETURN ");
bitcoin_address(coinaddr,addrtype,(uint8_t *)&vp->spendscript[0],vp->spendlen);
flag++;
break;
case IGUANA_SCRIPT_3of3: m = 3, n = 3; break;
case IGUANA_SCRIPT_2of3: m = 2, n = 3; break;
case IGUANA_SCRIPT_1of3: m = 1, n = 3; break;
case IGUANA_SCRIPT_2of2: m = 2, n = 2; break;
case IGUANA_SCRIPT_1of2: m = 1, n = 2; break;
case IGUANA_SCRIPT_1of1: m = 1, n = 1; break;
case IGUANA_SCRIPT_MSIG: m = vp->M, n = vp->N; break;
case IGUANA_SCRIPT_DATA:
if ( asmstr != 0 )
strcpy(asmstr,"DATA ONLY");
bitcoin_address(coinaddr,addrtype,(uint8_t *)&vp->spendscript[0],vp->spendlen);
flag++;
break;
case IGUANA_SCRIPT_STRANGE:
if ( asmstr != 0 )
strcpy(asmstr,"STRANGE SCRIPT ");
bitcoin_address(coinaddr,addrtype,(uint8_t *)&vp->spendscript[0],vp->spendlen);
flag++;
break;
default: break;//printf("unexpected script type.%d\n",type); break;
}
if ( n > 0 )
{
scriptlen = bitcoin_MofNspendscript(rmd160,script,0,vp);
bitcoin_address(coinaddr,p2shtype,script,scriptlen);
if ( asmstr != 0 )
{
sprintf(asmstr,"%d ",m);
for (i=0; i<n; i++)
{
if ( (plen= bitcoin_pubkeylen(vp->signers[i].pubkey)) > 0 )
{
init_hexbytes_noT(asmstr + strlen(asmstr),(uint8_t *)vp->signers[i].pubkey,plen);
if ( asmstr != 0 )
strcat(asmstr," ");
}
else if ( asmstr != 0 )
strcat(asmstr,"NOPUBKEY ");
sprintf(asmstr + strlen(asmstr),"%d // M.%d of N.%d [",n,m,n);
for (i=0; i<n; i++)
sprintf(asmstr + strlen(asmstr),"%s%s",vp->signers[i].coinaddr,i<n-1?" ":"");
}
strcat(asmstr,"]\n");
}
}
if ( flag != 0 && asmstr != 0 && vp->spendlen > 0 )
init_hexbytes_noT(asmstr + strlen(asmstr),(uint8_t *)vp->spendscript,vp->spendlen);
*Mp = m, *nump = n;
return(scriptlen);
}
int32_t bitcoin_scriptget(uint8_t pubtype,uint8_t p2shtype,int32_t *hashtypep,uint32_t *sigsizep,uint32_t *pubkeysizep,uint8_t **userdatap,uint32_t *userdatalenp,struct vin_info *vp,uint8_t *scriptsig,int32_t len,int32_t spendtype)
{
int32_t j,n,siglen,plen; uint8_t *p2shscript;
j = n = 0;
*userdatap = 0;
*userdatalenp = *pubkeysizep = *sigsizep = 0;
*hashtypep = SIGHASH_ALL;
while ( (siglen= scriptsig[n]) >= 70 && siglen <= 73 && n+siglen < len && j < 16 )
{
vp->signers[j].siglen = siglen;
memcpy(vp->signers[j].sig,&scriptsig[n+1],siglen);
if ( j == 0 )
*hashtypep = vp->signers[j].sig[siglen-1];
else if ( vp->signers[j].sig[siglen-1] != *hashtypep )
{
//printf("SIGHASH.%d mismatch %d vs %d\n",j,vp->signers[j].sig[siglen-1],*hashtypep);
break;
}
(*sigsizep) += siglen;
//printf("sigsize %d [%02x]\n",*sigsizep,vp->signers[j].sig[siglen-1]);
n += (siglen + 1);
j++;
if ( spendtype == 0 && j > 1 )
spendtype = IGUANA_SCRIPT_MSIG;
}
vp->numsigs = j;
vp->type = spendtype;
if ( j == 0 )
{
//*userdatalenp = len;
vp->spendlen = len;
return(vp->spendlen);
}
j = 0;
while ( ((plen= scriptsig[n]) == 33 || plen == 65) && j < 16 && plen+n <= len )
{
memcpy(vp->signers[j].pubkey,&scriptsig[n+1],plen);
calc_rmd160_sha256(vp->signers[j].rmd160,vp->signers[j].pubkey,plen);
if ( j == 0 )
memcpy(vp->rmd160,vp->signers[j].rmd160,20);
n += (plen + 1);
(*pubkeysizep) += plen;
j++;
}
vp->numpubkeys = j;
*userdatap = &scriptsig[n];
if ( len > n )
*userdatalenp = (len - n);
p2shscript = 0;
while ( n < len )
{
if ( n+2 < len && (scriptsig[n] == 0x4c || scriptsig[n] == 0x4d) )
{
if ( scriptsig[n] == 0x4c )
vp->p2shlen = scriptsig[n+1], n += 2;
else vp->p2shlen = ((uint32_t)scriptsig[n+1] + ((uint32_t)scriptsig[n+2] << 8)), n += 3;
//printf("p2sh opcode.%02x %02x %02x scriptlen.%d\n",scriptsig[n],scriptsig[n+1],scriptsig[n+2],vp->p2shlen);
if ( vp->p2shlen < IGUANA_MAXSCRIPTSIZE && n+vp->p2shlen <= len )
{
p2shscript = &scriptsig[n];
memcpy(vp->p2shscript,&scriptsig[n],vp->p2shlen);
n += vp->p2shlen;
vp->type = IGUANA_SCRIPT_P2SH;
} else vp->p2shlen = 0;
}
}
if ( *userdatap == p2shscript )
*userdatap = 0;
/*if ( len == 0 )
{
// txid.(eccf7e3034189b851985d871f91384b8ee357cd47c3024736e5676eb2debb3f2).v1
decode_hex(vp->rmd160,20,"010966776006953d5567439e5e39f86a0d273bee");//3564a74f9ddb4372301c49154605573d7d1a88fe");
vp->type = IGUANA_SCRIPT_76A988AC;
}*/
vp->spendlen = iguana_scriptgen(pubtype,p2shtype,&vp->M,&vp->N,vp->coinaddr,vp->spendscript,0,vp->rmd160,vp->type,(const struct vin_info *)vp,vp->vin.prev_vout);
//printf("type.%d asmstr.(%s) spendlen.%d\n",vp->type,asmstr,vp->spendlen);
return(vp->spendlen);
}
int32_t _iguana_calcrmd160(uint8_t pubtype,uint8_t p2shtype,struct vin_info *vp)
{
static uint8_t zero_rmd160[20];
char hexstr[8192]; uint8_t *script,type; int32_t i,n,m,plen;
if ( vp->N == 0 )
vp->N = 1;
if ( vp->M == 0 )
vp->M = 1;
type = IGUANA_SCRIPT_STRANGE;
init_hexbytes_noT(hexstr,vp->spendscript,vp->spendlen);
//char str[65]; printf("script.(%s).%d in %s len.%d plen.%d spendlen.%d cmp.%d\n",hexstr,vp->spendlen,bits256_str(str,vp->vin.prev_hash),vp->spendlen,bitcoin_pubkeylen(&vp->spendscript[1]),vp->spendlen,vp->spendscript[vp->spendlen-1] == SCRIPT_OP_CHECKSIG);
if ( vp->spendlen == 0 )
{
if ( zero_rmd160[0] == 0 )
{
calc_rmd160_sha256(zero_rmd160,vp->spendscript,vp->spendlen);
//vcalc_sha256(0,sha256,vp->spendscript,vp->spendlen); // e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
//calc_rmd160(0,zero_rmd160,sha256,sizeof(sha256)); // b472a266d0bd89c13706a4132ccfb16f7c3b9fcb
init_hexbytes_noT(hexstr,zero_rmd160,20);
}
memcpy(vp->rmd160,zero_rmd160,sizeof(zero_rmd160));
return(IGUANA_SCRIPT_NULL);
}
else if ( vp->spendscript[0] == SCRIPT_OP_RETURN )
type = IGUANA_SCRIPT_OPRETURN;
else if ( vp->spendscript[0] == SCRIPT_OP_DUP && vp->spendscript[1] == SCRIPT_OP_HASH160 && vp->spendscript[2] == 20 && vp->spendscript[vp->spendscript[2]+3] == SCRIPT_OP_EQUALVERIFY && vp->spendscript[vp->spendscript[2]+4] == SCRIPT_OP_CHECKSIG )
{
//printf("IGUANA_SCRIPT_76A988AC plen.%d vs %d vp->spendlen\n",vp->spendscript[2]+4,vp->spendlen);
// 76a9145f69cb73016264270dae9f65c51f60d0e4d6fd4488ac
memcpy(vp->rmd160,&vp->spendscript[3],20);
if ( (plen= vp->spendscript[2]+5) != vp->spendlen )
{
return(IGUANA_SCRIPT_STRANGE);
/*while ( plen < vp->spendlen )
if ( vp->spendscript[plen++] != 0x61 ) // nop
return(IGUANA_SCRIPT_STRANGE);*/
}
return(IGUANA_SCRIPT_76A988AC);
}
// 21035f1321ed17d387e4433b2fa229c53616057964af065f98bfcae2233c5108055eac
else if ( vp->spendscript[0] == SCRIPT_OP_DUP && (plen= bitcoin_pubkeylen(&vp->spendscript[2])) > 0 && vp->spendscript[vp->spendlen-1] == SCRIPT_OP_CHECKSIG && vp->spendscript[0] == plen && vp->spendlen == plen+3 )
{
memcpy(vp->signers[0].pubkey,&vp->spendscript[2],plen);
calc_rmd160_sha256(vp->rmd160,vp->signers[0].pubkey,plen);
//printf("found IGUANA_SCRIPT_76AC\n");
return(IGUANA_SCRIPT_76AC);
}
else if ( (plen= bitcoin_pubkeylen(&vp->spendscript[1])) > 0 && vp->spendscript[vp->spendlen-1] == SCRIPT_OP_CHECKSIG && vp->spendscript[0] == plen && vp->spendlen == plen+2 )
{
memcpy(vp->signers[0].pubkey,&vp->spendscript[1],plen);
calc_rmd160_sha256(vp->rmd160,vp->signers[0].pubkey,plen);
//printf("found IGUANA_SCRIPT_AC\n");
return(IGUANA_SCRIPT_AC);
}
else if ( vp->spendscript[0] == SCRIPT_OP_HASH160 && vp->spendscript[1] == 0x14 && vp->spendlen == 23 && vp->spendscript[22] == SCRIPT_OP_EQUAL )
{
memcpy(vp->rmd160,vp->spendscript+2,20);
return(IGUANA_SCRIPT_P2SH);
}
else if ( vp->spendlen > 34 && vp->spendscript[vp->spendlen-1] == SCRIPT_OP_CHECKMULTISIG && (n= vp->spendscript[vp->spendlen-2]) >= 0x51 && n <= 0x60 && (m= vp->spendscript[0]) >= 0x51 && m <= n ) // m of n multisig
{
m -= 0x50, n -= 0x50;
script = vp->spendscript+1;
for (i=0; i<n; i++,script += plen)
{
plen = *script++;
if ( bitcoin_pubkeylen(script) != plen )
{
static int32_t counter;
if ( counter++ < 3 )
printf("multisig.%d of %d: invalid pubkey[%02x] len %d\n",i,n,script[0],bitcoin_pubkeylen(script));
return(-1);
}
memcpy(vp->signers[i].pubkey,script,plen);
calc_rmd160_sha256(vp->signers[i].rmd160,vp->signers[i].pubkey,plen);
bitcoin_address(vp->signers[i].coinaddr,pubtype,vp->signers[i].pubkey,plen);
}
if ( (int32_t)((long)script - (long)vp->spendscript) == vp->spendlen-2 )
{
vp->N = n;
vp->M = m;
//printf("M.%d N.%d\n",m,n);
}
calc_rmd160_sha256(vp->rmd160,vp->spendscript,vp->spendlen);
if ( n == 3 )
{
if ( m == 3 )
return(IGUANA_SCRIPT_3of3);
else if ( m == 2 )
return(IGUANA_SCRIPT_2of3);
else if ( m == 1 )
return(IGUANA_SCRIPT_1of3);
}
else if ( n == 2 )
{
if ( m == 2 )
return(IGUANA_SCRIPT_2of2);
else if ( m == 1 )
return(IGUANA_SCRIPT_1of2);
}
else if ( m == 1 && n == 1 )
return(IGUANA_SCRIPT_1of1);
//printf("strange msig M.%d of N.%d\n",m,n);
return(IGUANA_SCRIPT_MSIG);
}
else if ( vp->spendlen == vp->spendscript[0]+1 )
{
//printf("just data.%d\n",vp->spendlen);
memcpy(vp->rmd160,zero_rmd160,sizeof(zero_rmd160));
return(IGUANA_SCRIPT_DATA);
}
if ( type != IGUANA_SCRIPT_OPRETURN && type != IGUANA_SCRIPT_DATA )
{
if ( vp->spendlen > 0 && vp->spendlen < sizeof(hexstr)/2-1 )
{
static FILE *fp;
init_hexbytes_noT(hexstr,vp->spendscript,vp->spendlen);
//char str[65]; printf("unparsed script.(%s).%d in %s len.%d\n",hexstr,vp->spendlen,bits256_str(str,vp->vin.prev_hash),vp->spendlen);
if ( 1 && fp == 0 )
fp = fopen("unparsed.txt","w");
if ( fp != 0 )
fprintf(fp,"%s\n",hexstr), fflush(fp);
} else sprintf(hexstr,"pkscript overflowed %ld\n",(long)sizeof(hexstr));
}
calc_rmd160_sha256(vp->rmd160,vp->spendscript,vp->spendlen);
return(type);
}
int32_t iguana_calcrmd160(uint8_t pubtype,uint8_t p2shtype,char *asmstr,struct vin_info *vp,uint8_t *pk_script,int32_t pk_scriptlen,bits256 debugtxid,int32_t vout,uint32_t sequence)
{
int32_t scriptlen; uint8_t script[IGUANA_MAXSCRIPTSIZE];
memset(vp,0,sizeof(*vp));
vp->vin.prev_hash = debugtxid, vp->vin.prev_vout = vout;
vp->spendlen = pk_scriptlen;
vp->vin.sequence = sequence;
memcpy(vp->spendscript,pk_script,pk_scriptlen);
if ( (vp->type= _iguana_calcrmd160(pubtype,p2shtype,vp)) >= 0 )
{
scriptlen = iguana_scriptgen(pubtype,p2shtype,&vp->M,&vp->N,vp->coinaddr,script,asmstr,vp->rmd160,vp->type,(const struct vin_info *)vp,vout);
if ( vp->M == 0 && vp->N == 0 )
{
vp->M = vp->N = 1;
strcpy(vp->signers[0].coinaddr,vp->coinaddr);
memcpy(vp->signers[0].rmd160,vp->rmd160,20);
}
if ( scriptlen != pk_scriptlen || (scriptlen != 0 && memcmp(script,pk_script,scriptlen) != 0) )
{
if ( vp->type != IGUANA_SCRIPT_OPRETURN && vp->type != IGUANA_SCRIPT_DATA && vp->type != IGUANA_SCRIPT_STRANGE )
{
int32_t i;
printf("\n--------------------\n");
for (i=0; i<scriptlen; i++)
printf("%02x ",script[i]);
printf("script.%d\n",scriptlen);
for (i=0; i<pk_scriptlen; i++)
printf("%02x ",pk_script[i]);
printf("original script.%d\n",pk_scriptlen);
printf("iguana_calcrmd160 type.%d error regenerating scriptlen.%d vs %d\n\n",vp->type,scriptlen,pk_scriptlen);
}
}
}
return(vp->type);
}
cJSON *bitcoin_txscript(char *asmstr,char **vardata,int32_t numvars)
{
int32_t i; cJSON *scriptjson,*array;
scriptjson = cJSON_CreateObject();
jaddstr(scriptjson,"asm",asmstr);
jaddnum(scriptjson,"numvars",numvars);
if ( numvars > 0 )
{
array = cJSON_CreateArray();
for (i=0; i<numvars; i++)
jaddistr(array,vardata[i]);
jadd(scriptjson,"args",array);
}
return(scriptjson);
}
cJSON *iguana_scriptpubkeys(uint8_t pubtype,uint8_t p2shtype,uint8_t *script,int32_t scriptlen,bits256 txid,int16_t vout,uint32_t sequenceid)
{
int32_t type,i,n,plen; struct vin_info V; cJSON *pubkeys; char pubkeystr[256];
pubkeys = cJSON_CreateArray();
if ( (type= iguana_calcrmd160(pubtype,p2shtype,0,&V,script,scriptlen,txid,vout,sequenceid)) >= 0 )
{
if ( (n= V.N) == 0 )
n = 1;
for (i=0; i<n; i++)
{
if ( (plen= bitcoin_pubkeylen(V.signers[i].pubkey)) > 0 )
init_hexbytes_noT(pubkeystr,V.signers[i].pubkey,plen);
else pubkeystr[0] = 0;
jaddistr(pubkeys,pubkeystr);
}
}
return(pubkeys);
}
void iguana_addscript(cJSON *dest,uint8_t *script,int32_t scriptlen,char *fieldname)
{
char *scriptstr,scriptbuf[8192+256]; int32_t maxlen; cJSON *scriptobj;
if ( scriptlen < 0 || scriptlen > IGUANA_MAXSCRIPTSIZE || scriptlen > sizeof(scriptbuf) )
return;
scriptstr = scriptbuf, maxlen = sizeof(scriptbuf);
init_hexbytes_noT(scriptstr,script,scriptlen);
//if ( strcmp(fieldname,"userdata") == 0 )
// printf("SCRIPT_USERDATA.(%s)\n",scriptstr);
if ( strcmp(fieldname,"coinbase") == 0 )
jaddstr(dest,"coinbase",scriptstr);
else
{
scriptobj = cJSON_CreateObject();
jaddstr(scriptobj,"hex",scriptstr);
iguana_expandscript(scriptstr,maxlen,script,scriptlen);
if ( scriptstr[0] != 0 )
jaddstr(scriptobj,"asm",scriptstr);
if ( scriptstr != scriptbuf )
free(scriptstr);
jadd(dest,fieldname,scriptobj);
}
}
cJSON *iguana_pubkeysjson(uint8_t *pubkeyptrs[],int32_t numpubkeys)
{
int32_t i,plen; char pubkeystr[256]; cJSON *pubkeysjson = cJSON_CreateArray();
for (i=0; i<numpubkeys; i++)
{
if ( pubkeyptrs != 0 && (plen= bitcoin_pubkeylen(pubkeyptrs[i])) > 0 )
init_hexbytes_noT(pubkeystr,pubkeyptrs[i],plen);
else pubkeystr[0] = 0;
jaddistr(pubkeysjson,pubkeystr);
}
return(pubkeysjson);
}
cJSON *bitcoin_txinput(uint8_t pubtype,uint8_t p2shtype,cJSON *txobj,bits256 txid,int32_t vout,uint32_t sequenceid,uint8_t *spendscript,int32_t spendlen,uint8_t *redeemscript,int32_t p2shlen,uint8_t *pubkeys[],int32_t numpubkeys,uint8_t *sig,int32_t siglen)
{
cJSON *item,*vins; char p2shscriptstr[IGUANA_MAXSCRIPTSIZE*2+1]; uint8_t *script,len=0;
vins = jduplicate(jobj(txobj,"vin"));
jdelete(txobj,"vin");
item = cJSON_CreateObject();
if ( sig != 0 && siglen > 0 )
iguana_addscript(item,sig,siglen,"scriptSig");
if ( spendscript != 0 && spendscript > 0 )
{
iguana_addscript(item,spendscript,spendlen,"scriptPubKey");
script = spendscript, len = spendlen;
}
else if ( redeemscript != 0 && p2shlen > 0 )
{
init_hexbytes_noT(p2shscriptstr,redeemscript,p2shlen);
jaddstr(item,"redeemScript",p2shscriptstr);
script = redeemscript, len = p2shlen;
} else script = 0;
if ( script != 0 && numpubkeys == 0 )
jadd(item,"pubkeys",iguana_scriptpubkeys(pubtype,p2shtype,script,len,txid,vout,sequenceid));
else if ( pubkeys != 0 && numpubkeys > 0 )
jadd(item,"pubkeys",iguana_pubkeysjson(pubkeys,numpubkeys));
jaddbits256(item,"txid",txid);
jaddnum(item,"vout",vout);
jaddnum(item,"sequence",sequenceid);
jaddi(vins,item);
jadd(txobj,"vin",vins);
//printf("addvin -> (%s)\n",jprint(txobj,0));
return(txobj);
}
cJSON *bitcoin_txcreate(char *symbol,int32_t isPoS,int64_t locktime,uint32_t txversion,uint32_t timestamp)
{
cJSON *json = cJSON_CreateObject();
jaddnum(json,"version",txversion);
if ( locktime == 0 && strcmp(symbol,"KMD") == 0 )
locktime = (uint32_t)time(NULL);
jaddnum(json,"locktime",locktime);
if ( isPoS != 0 )
jaddnum(json,"timestamp",timestamp == 0 ? time(NULL) : timestamp);
jadd(json,"vin",cJSON_CreateArray());
jadd(json,"vout",cJSON_CreateArray());
return(json);
}
cJSON *bitcoin_txoutput(cJSON *txobj,uint8_t *paymentscript,int32_t len,uint64_t satoshis)
{
char *hexstr; cJSON *item,*skey,*vouts = jduplicate(jobj(txobj,"vout"));
jdelete(txobj,"vout");
item = cJSON_CreateObject();
jadd64bits(item,"satoshis",satoshis);
skey = cJSON_CreateObject();
hexstr = malloc(len*2 + 1);
init_hexbytes_noT(hexstr,paymentscript,len);
jaddstr(skey,"hex",hexstr);
//printf("addoutput.(%s %s)\n",hexstr,jprint(skey,0));
free(hexstr);
jadd(item,"scriptPubKey",skey);
jaddi(vouts,item);
jadd(txobj,"vout",vouts);
return(txobj);
}
int32_t bitcoin_txaddspend(uint8_t pubtype,uint8_t p2shtype,cJSON *txobj,char *destaddress,uint64_t satoshis)
{
uint8_t outputscript[128],addrtype,rmd160[20]; int32_t scriptlen;
if ( bitcoin_validaddress(pubtype,p2shtype,destaddress) == 0 && satoshis != 0 )
{
bitcoin_addr2rmd160(&addrtype,rmd160,destaddress);
scriptlen = bitcoin_standardspend(outputscript,0,rmd160);
bitcoin_txoutput(txobj,outputscript,scriptlen,satoshis);
return(0);
} else return(-1);
}
int32_t iguana_vinparse(int32_t rwflag,uint8_t *serialized,struct iguana_msgvin *msg)
{
int32_t p2shlen,len = 0; uint32_t tmp;
len += iguana_rwbignum(rwflag,&serialized[len],sizeof(msg->prev_hash),msg->prev_hash.bytes);
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->prev_vout),&msg->prev_vout);
//char str[65]; printf("prev_hash.(%s) v%d\n",bits256_str(str,msg->prev_hash),msg->prev_vout);
if ( rwflag == 1 )
{
tmp = msg->scriptlen + msg->userdatalen + msg->p2shlen;
if ( msg->p2shlen != 0 )
{
if ( msg->p2shlen < 76 )
tmp++;
else if ( msg->p2shlen < 0x100 )
tmp += 2;
else tmp += 3;
}
}
len += iguana_rwvarint32(rwflag,&serialized[len],&tmp);
if ( rwflag == 0 )
{
/*if ( msg->p2shlen != 0 )
{
if ( msg->p2shlen < 76 )
tmp++;
else if ( msg->p2shlen < 0x100 )
tmp += 2;
else tmp += 3;
}*/
msg->scriptlen = tmp;
}
if ( msg->scriptlen > IGUANA_MAXSCRIPTSIZE )
{
printf("iguana_vinparse illegal scriptlen.%d\n",msg->scriptlen);
return(-1);
}
//printf("len.%d scriptlen.%d user.%d p2sh.%d\n",len,msg->scriptlen,msg->userdatalen,msg->p2shlen);
if ( rwflag == 0 )
{
msg->vinscript = &serialized[len];
len += msg->scriptlen;
}
else
{
if ( msg->vinscript != 0 && msg->scriptlen > 0 )
memcpy(&serialized[len],msg->vinscript,msg->scriptlen), len += msg->scriptlen; // pubkeys here
if ( msg->userdatalen > 0 && msg->userdata != 0 )
{
//printf("userdata.%d scriptlen.%d\n",msg->userdatalen,msg->scriptlen);
memcpy(&serialized[len],msg->userdata,msg->userdatalen);
len += msg->userdatalen;
}
if ( (p2shlen= msg->p2shlen) > 0 && msg->redeemscript != 0 )
{
if ( p2shlen < 76 )
serialized[len++] = p2shlen;
else if ( p2shlen <= 0xff )
{
serialized[len++] = 0x4c;
serialized[len++] = p2shlen;
}
else if ( p2shlen <= 0xffff )
{
serialized[len++] = 0x4d;
serialized[len++] = (p2shlen & 0xff);
serialized[len++] = ((p2shlen >> 8) & 0xff);
} else return(-1);
memcpy(&serialized[len],msg->redeemscript,p2shlen), len += p2shlen;
if ( (0) )
{
int32_t j;
for (j=0; j<p2shlen; j++)
printf("%02x",msg->redeemscript[j]);
printf(" p2shlen.%d %x\n",p2shlen,p2shlen);
}
}
}
//printf("sequence starts.%d %08x\n",len,*(int32_t *)&serialized[len]);
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->sequence),&msg->sequence);
if ( (0) )
{
int32_t i; char str[65];
for (i=0; i<len; i++)
printf("%02x",serialized[i]);
printf(" %08x prev_hash.(%s) vout.%d [%p] scriptlen.%d rwflag.%d\n",msg->sequence,bits256_str(str,msg->prev_hash),msg->prev_vout,msg->vinscript,msg->scriptlen,rwflag);
}
return(len);
}
int32_t iguana_voutparse(int32_t rwflag,uint8_t *serialized,struct iguana_msgvout *msg)
{
int32_t len = 0;
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->value),&msg->value);
len += iguana_rwvarint32(rwflag,&serialized[len],&msg->pk_scriptlen);
if ( msg->pk_scriptlen > IGUANA_MAXSCRIPTSIZE )
{
printf("iguana_voutparse illegal scriptlen.%d\n",msg->pk_scriptlen);
return(-1);
}
if ( rwflag == 0 )
msg->pk_script = &serialized[len];
else if ( msg->pk_scriptlen > 0 )
{
memcpy(&serialized[len],msg->pk_script,msg->pk_scriptlen);
if ( (0) )
{
int32_t i;
for (i=0; i<msg->pk_scriptlen; i++)
printf("%02x",msg->pk_script[i]);
printf(" [%p] scriptlen.%d rwflag.%d %.8f\n",msg->pk_script,msg->pk_scriptlen,rwflag,dstr(msg->value));
}
} // else serialized[len++] = 0;
len += msg->pk_scriptlen;
return(len);
}
cJSON *iguana_vinjson(struct iguana_msgvin *vin,bits256 sigtxid)
{
char str[65]; int32_t vout; cJSON *json = cJSON_CreateObject();
vout = vin->prev_vout;
jaddnum(json,"sequence",vin->sequence);
if ( vout < 0 && bits256_nonz(vin->prev_hash) == 0 )
iguana_addscript(json,vin->vinscript,vin->scriptlen,"coinbase");
else
{
jaddstr(json,"txid",bits256_str(str,vin->prev_hash));
jaddnum(json,"vout",vout);
if ( bits256_nonz(sigtxid) != 0 )
jaddbits256(json,"sigtxid",sigtxid);
if ( vin->scriptlen > 0 && vin->vinscript != 0 ) // sigs
iguana_addscript(json,vin->vinscript,vin->scriptlen,"scriptSig");
if ( vin->userdatalen > 0 && vin->userdata != 0 )
iguana_addscript(json,vin->userdata,vin->userdatalen,"userdata");
if ( vin->p2shlen > 0 && vin->redeemscript != 0 )
iguana_addscript(json,vin->redeemscript,vin->p2shlen,"redeemScript");
if ( vin->spendlen > 0 && vin->spendscript != 0 )
iguana_addscript(json,vin->spendscript,vin->spendlen,"scriptPubKey");
}
return(json);
}
int32_t iguana_parsehexstr(uint8_t **destp,uint16_t *lenp,uint8_t *dest2,int32_t *len2p,uint8_t *serialized,char *hexstr)
{
int32_t n;
n = (int32_t)strlen(hexstr) >> 1;
//printf("addhex.(%s) %d\n",hexstr,n);
if ( serialized == 0 )
{
if ( (serialized= *destp) == 0 )
printf("iguana_parsehexstr null serialized and destp\n");
}
if ( serialized != 0 )
{
decode_hex(serialized,n,hexstr);
*destp = serialized;
*lenp = n;
if ( dest2 != 0 && len2p != 0 )
{
*len2p = n;
memcpy(dest2,serialized,n);
}
}
return(n);
}
int32_t iguana_scriptnum(uint8_t opcode)
{
if ( opcode == 0x00 )
return(0);
else if ( opcode >= 0x51 && opcode < 0x60 )
return(opcode - 0x50);
else return(-1);
}
int32_t iguana_parsevinobj(uint8_t *serialized,int32_t maxsize,struct iguana_msgvin *vin,cJSON *vinobj,struct vin_info *V)
{
//struct iguana_outpoint outpt; struct iguana_waddress *waddr; struct iguana_waccount *wacct;
uint8_t lastbyte; uint32_t tmp=0; int32_t i,n,starti,suppress_pubkeys,siglen,plen,m,endi,rwflag=1,len = 0; char *userdata=0,*pubkeystr,*hexstr = 0,*redeemstr = 0,*spendstr = 0; cJSON *scriptjson = 0,*obj,*pubkeysjson = 0;
//printf("PARSEVIN.(%s) vin.%p\n",jprint(vinobj,0),vin);
if ( V == 0 )
memset(vin,0,sizeof(*vin));
vin->prev_vout = -1;
suppress_pubkeys = juint(vinobj,"suppress");
if ( jobj(vinobj,"sequence") != 0 )
vin->sequence = juint(vinobj,"sequence");
else vin->sequence = 0xffffffff;
if ( (hexstr= jstr(vinobj,"coinbase")) == 0 )
{
vin->prev_hash = jbits256(vinobj,"txid");
//char str[65]; printf("vin->prev_hash.(%s)\n",bits256_str(str,vin->prev_hash));
vin->prev_vout = jint(vinobj,"vout");
if ( (scriptjson= jobj(vinobj,"scriptSig")) != 0 )
hexstr = jstr(scriptjson,"hex");
if ( ((spendstr= jstr(vinobj,"scriptPub")) == 0 && (spendstr= jstr(vinobj,"scriptPubKey")) == 0) || is_hexstr(spendstr,(int32_t)strlen(spendstr)) <= 0 )
{
if ( (obj= jobj(vinobj,"scriptPub")) != 0 || (obj= jobj(vinobj,"scriptPubKey")) != 0 )
{
spendstr = jstr(obj,"hex");
if ( spendstr[0] != 0 )
{
lastbyte = _decode_hex(&spendstr[strlen(spendstr)-2]);
//if ( lastbyte == SCRIPT_OP_CHECKMULTISIG )
// need_op0 = 1;
if ( V != 0 )
{
V->spendlen = (int32_t)strlen(spendstr) >> 1;
decode_hex(V->spendscript,V->spendlen,spendstr);
}
}
}
}
if ( (redeemstr= jstr(vinobj,"redeemScript")) == 0 || is_hexstr(redeemstr,(int32_t)strlen(redeemstr)) <= 0 )
{
if ( (obj= jobj(vinobj,"redeemScript")) != 0 )
{
redeemstr = jstr(obj,"hex");
lastbyte = _decode_hex(&redeemstr[strlen(redeemstr)-2]);
//if ( lastbyte == SCRIPT_OP_CHECKMULTISIG )
// need_op0 = 1;
}
}
if ( (userdata= jstr(vinobj,"userdata")) == 0 || is_hexstr(userdata,(int32_t)strlen(userdata)) <= 0 )
{
if ( (obj= jobj(vinobj,"userdata")) != 0 )
userdata = jstr(obj,"hex");
}
}
//char str[65]; printf("rw.%d prevhash.(%s)\n",rwflag,bits256_str(str,vin->prev_hash));
len += iguana_rwbignum(rwflag,&serialized[len],sizeof(vin->prev_hash),vin->prev_hash.bytes);
len += iguana_rwnum(rwflag,&serialized[len],sizeof(vin->prev_vout),&vin->prev_vout);
if ( V != 0 )
{
V->suppress_pubkeys = suppress_pubkeys;
if ( vin->vinscript == 0 && V->spendlen == 0 )
{
/*if ( iguana_RTunspentindfind(coin,&outpt,V->coinaddr,spendscript,&spendlen,&V->amount,&V->height,vin->prev_hash,vin->prev_vout,coin->bundlescount-1,0) == 0 )
{
V->unspentind = outpt.unspentind;
if ( V->coinaddr[0] != 0 && (waddr= iguana_waddresssearch(&wacct,V->coinaddr)) != 0 )
{
plen = bitcoin_pubkeylen(waddr->pubkey);
for (z=0; z<plen; z++)
V->signers[0].pubkey[z] = waddr->pubkey[z];
}
//printf("V %.8f (%s) spendscript.[%d]\n",dstr(V->amount),V->coinaddr,V->spendlen);
}
if ( spendlen != 0 && V->spendlen == 0 )
{
V->spendlen = spendlen;
memcpy(V->spendscript,spendscript,spendlen);
}*/
}
}
tmp = IGUANA_MAXSCRIPTSIZE;
starti = len;
len += iguana_rwvarint32(rwflag,&serialized[len],&tmp);
endi = len;
//printf("rwflag.%d len.%d tmp.%d\n",rwflag,len,tmp);
//if ( need_op0 != 0 )
// serialized[len++] = 0; // hack for bug for bug backward compatibility
if ( hexstr != 0 )
{
n = (int32_t)strlen(hexstr) >> 1;
//printf("add.(%s) offset.%d\n",hexstr,len);
vin->vinscript = &serialized[len];
decode_hex(&serialized[len],n,hexstr);
vin->scriptlen = n;// + need_op0;
if ( V != 0 )
{
i = m = 0;
while ( m < n )
{
siglen = serialized[len + m++];
//if ( i == 0 && m == 1 && siglen == 0 ) // multisig backward compatible
// continue;
if ( serialized[len + m + siglen - 1] == SIGHASH_ALL )
memcpy(V->signers[i++].sig,&serialized[len + m],siglen);
if ( (0) )
{
int32_t j;
for (j=0; j<siglen; j++)
printf("%02x",serialized[len + m + j]);
printf(" (%d) parsedvin\n",siglen);
}
m += siglen;
i++;
}
if ( m != n )
printf("ERROR: (%s) len.%d n.%d i.%d\n",hexstr,m,n,i);
}
len += n;
} //else printf("iguana_parsevinobj: hex script missing (%s)\n",jprint(vinobj,0));
if ( (pubkeysjson= jarray(&n,vinobj,"pubkeys")) != 0 && vin->vinscript != 0 )
{
/*if ( vin->vinscript == 0 )
{
vin->vinscript = serialized;
vin->vinscript[0] = 0;
vin->scriptlen = 1;
}*/
for (i=0; i<n; i++)
{
if ( (pubkeystr= jstr(jitem(pubkeysjson,i),0)) != 0 && (plen= (int32_t)strlen(pubkeystr) >> 1) > 0 )
{
if ( V != 0 )
{
memcpy(V->signers[i].pubkey,&vin->vinscript[vin->scriptlen],plen);
if ( V->spendlen == 35 && V->spendscript[0] == 33 && V->spendscript[34] == 0xac )
suppress_pubkeys = 1;
}
if ( suppress_pubkeys == 0 )
{
printf("addpub.(%s)\n",pubkeystr);
vin->vinscript[vin->scriptlen++] = plen;
decode_hex(&vin->vinscript[vin->scriptlen],plen,pubkeystr);
vin->scriptlen += plen;
serialized[len++] = plen;
memcpy(&serialized[len],&vin->vinscript[vin->scriptlen],plen), len += plen;
}
}
}
}
//printf("userdata len.%d: ",len);
if ( userdata != 0 )
{
n = iguana_parsehexstr(&vin->userdata,&vin->userdatalen,V!=0?V->userdata:0,V!=0?&V->userdatalen:0,&serialized[len],userdata);
//printf("parsed userdata.%d\n",n);
len += n;
}
//printf("redeemlen.%d: ",len);
if ( redeemstr != 0 )
{
n = (int32_t)strlen(redeemstr) >> 1;
if ( n < 76 )
serialized[len++] = n;
else if ( n <= 0xff )
{
serialized[len++] = 0x4c;
serialized[len++] = n;
}
else
{
serialized[len++] = 0x4d;
serialized[len++] = n & 0xff;
serialized[len++] = (n >> 8) & 0xff;
}
n = iguana_parsehexstr(&vin->redeemscript,&vin->p2shlen,V!=0?V->p2shscript:0,V!=0?&V->p2shlen:0,&serialized[len],redeemstr);
len += n;
if ( vin->redeemscript[vin->p2shlen-1] == SCRIPT_OP_CHECKMULTISIG )
{
V->M = iguana_scriptnum(vin->redeemscript[0]);
V->N = iguana_scriptnum(vin->redeemscript[vin->p2shlen-2]);
}
}
tmp = (len - endi);
if ( tmp < 0xfd )
{
serialized[starti] = tmp;
for (i=starti+1; i<starti+1+tmp; i++)
serialized[i] = serialized[i+2];
//printf("tmp.%d (len.%d - starti.%d) i.%d\n",tmp,len,starti,i);
len -= 2;
}
else
{
//for (i=0; i<len; i++)
// printf("%02x",serialized[i]);
//printf(" <- offset.%d tmp.%d starti.%d\n",len,tmp,starti);
serialized[starti+1] = (tmp & 0xff);
serialized[starti+2] = ((tmp >> 8) & 0xff);
}
//printf("len.%d tmp.%d output sequence.[%d] <- %x\n",len,tmp,len,vin->sequence);
len += iguana_rwnum(rwflag,&serialized[len],sizeof(vin->sequence),&vin->sequence);
if ( spendstr != 0 )
{
if ( V != 0 )
{
if ( V->spendlen == 0 )
{
V->spendlen = (int32_t)strlen(spendstr) >> 1;
decode_hex(V->spendscript,V->spendlen,spendstr);
}
if ( vin->spendscript == 0 )
vin->spendscript = V->spendscript;
}
if ( vin->spendlen == 0 && vin->spendscript != 0 )
{
vin->spendlen = (int32_t)strlen(spendstr) >> 1;
decode_hex(vin->spendscript,vin->spendlen,spendstr);
}
//printf("serialized.%p len.%d\n",serialized,len);
//n = iguana_parsehexstr(&vin->spendscript,&vin->spendlen,V!=0?V->spendscript:0,V!=0?&V->spendlen:0,&serialized[len],spendstr);
//len += n;
}
return(len);
}
int32_t iguana_parsevoutobj(uint8_t *serialized,int32_t maxsize,struct iguana_msgvout *vout,cJSON *voutobj)
{
int32_t n,len = 0,rwflag = 1; cJSON *skey; char *hexstr;
memset(vout,0,sizeof(*vout));
if ( jobj(voutobj,"satoshis") != 0 )
vout->value = j64bits(voutobj,"satoshis");
else vout->value = jdouble(voutobj,"value") * SATOSHIDEN;
len += iguana_rwnum(rwflag,&serialized[len],sizeof(vout->value),&vout->value);
if ( (skey= jobj(voutobj,"scriptPubKey")) != 0 )
{
if ( (hexstr= jstr(skey,"hex")) != 0 )
{
n = (int32_t)strlen(hexstr) >> 1;
vout->pk_scriptlen = n;
len += iguana_rwvarint32(rwflag,&serialized[len],&vout->pk_scriptlen);
decode_hex(&serialized[len],n,hexstr);
vout->pk_script = &serialized[len];
len += n;
} // else serialized[len++] = 0;
} //else serialized[len++] = 0;
return(len);
}
cJSON *iguana_voutjson(uint8_t pubtype,uint8_t p2shtype,struct iguana_msgvout *vout,int32_t txi,bits256 txid)
{
// 035f1321ed17d387e4433b2fa229c53616057964af065f98bfcae2233c5108055e OP_CHECKSIG
char scriptstr[IGUANA_MAXSCRIPTSIZE+1],asmstr[2*IGUANA_MAXSCRIPTSIZE+1]; int32_t i,m,n,scriptlen,asmtype; struct vin_info *vp;
uint8_t space[8192]; cJSON *addrs,*skey,*json = cJSON_CreateObject();
vp = calloc(1,sizeof(*vp));
jadd64bits(json,"satoshis",vout->value);
jaddnum(json,"value",dstr(vout->value));
jaddnum(json,"n",txi);
//"scriptPubKey":{"asm":"OP_DUP OP_HASH160 5f69cb73016264270dae9f65c51f60d0e4d6fd44 OP_EQUALVERIFY OP_CHECKSIG","reqSigs":1,"type":"pubkeyhash","addresses":["RHyh1V9syARTf2pyxibz7v27D5paBeWza5"]}
if ( vout->pk_script != 0 && vout->pk_scriptlen*2+1 < sizeof(scriptstr) )
{
memset(vp,0,sizeof(*vp));
if ( (asmtype= iguana_calcrmd160(pubtype,p2shtype,asmstr,vp,vout->pk_script,vout->pk_scriptlen,txid,txi,0xffffffff)) >= 0 )
{
skey = cJSON_CreateObject();
scriptlen = iguana_scriptgen(pubtype,p2shtype,&m,&n,vp->coinaddr,space,asmstr,vp->rmd160,asmtype,vp,txi);
if ( asmstr[0] != 0 )
jaddstr(skey,"asm",asmstr);
addrs = cJSON_CreateArray();
if ( vp->N == 1 )
{
if ( asmtype == 2 )
{
jaddnum(skey,"reqSigs",1);
jaddstr(skey,"type","pubkeyhash");
}
if ( vp->coinaddr[0] != 0 )
jaddistr(addrs,vp->coinaddr);
}
else
{
jaddnum(skey,"reqSigs",vp->M);
for (i=0; i<vp->N; i++)
{
//btc_convrmd160(coinaddr,coin->chain->pubtype,V.signers[i].pubkey);
jaddistr(addrs,vp->signers[i].coinaddr);
}
}
jadd(skey,"addresses",addrs);
init_hexbytes_noT(scriptstr,vout->pk_script,vout->pk_scriptlen);
if ( scriptstr[0] != 0 )
jaddstr(skey,"hex",scriptstr);
jadd(json,"scriptPubKey",skey);
}
}
return(json);
}
void iguana_vinobjset(struct iguana_msgvin *vin,cJSON *item,uint8_t *spendscript,int32_t maxsize)
{
char *redeemstr,*hexstr=0; cJSON *sobj;
if ( (redeemstr= jstr(item,"redeemScript")) != 0 && is_hexstr(redeemstr,0) > 0 )
{
vin->p2shlen = (int32_t)strlen(redeemstr) >> 1;
vin->spendlen = vin->p2shlen;
vin->redeemscript = calloc(1,vin->p2shlen);
decode_hex(vin->redeemscript,vin->p2shlen,redeemstr);
hexstr = redeemstr;
//printf("VINOBJSET.(%s)\n",redeemstr);
}
else if ( (sobj= jobj(item,"scriptPubKey")) != 0 && (hexstr= jstr(sobj,"hex")) != 0 && is_hexstr(hexstr,0) > 0 && (vin->spendlen == 0 || vin->spendscript == 0) )
{
vin->spendlen = (int32_t)strlen(hexstr) >> 1;
}
if ( hexstr != 0 && vin->spendlen != 0 )
{
if ( vin->spendlen < maxsize )
{
if ( vin->spendscript == 0 )
vin->spendscript = spendscript;
decode_hex(vin->spendscript,vin->spendlen,hexstr);
}
}
}
int32_t iguana_vinarray_check(cJSON *vinarray,bits256 txid,int32_t vout)
{
bits256 array_txid; cJSON *item; int32_t array_vout,i,n = cJSON_GetArraySize(vinarray);
for (i=0; i<n; i++)
{
item = jitem(vinarray,i);
array_txid = jbits256(item,"txid");
array_vout = jint(item,"vout");
if ( bits256_cmp(array_txid,txid) == 0 && array_vout == vout )
{
printf("vinarray.[%d] duplicate\n",i);
return(i);
}
}
return(-1);
}
int32_t iguana_rwmsgtx(uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,int32_t rwflag,cJSON *json,uint8_t *serialized,int32_t maxsize,struct iguana_msgtx *msg,bits256 *txidp,char *vpnstr,uint8_t *extraspace,int32_t extralen,cJSON *vins,int32_t suppress_pubkeys);
bits256 bitcoin_sigtxid(uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,uint8_t *serialized,int32_t maxlen,struct iguana_msgtx *msgtx,int32_t vini,uint8_t *spendscript,int32_t spendlen,int32_t hashtype,char *vpnstr,int32_t suppress_pubkeys)
{
int32_t i,len; bits256 sigtxid,txid,revsigtxid; struct iguana_msgtx dest;
dest = *msgtx;
dest.vins = calloc(dest.tx_in,sizeof(*dest.vins));
dest.vouts = calloc(dest.tx_out,sizeof(*dest.vouts));
memcpy(dest.vins,msgtx->vins,dest.tx_in * sizeof(*dest.vins));
memcpy(dest.vouts,msgtx->vouts,dest.tx_out * sizeof(*dest.vouts));
memset(sigtxid.bytes,0,sizeof(sigtxid));
if ( hashtype != SIGHASH_ALL )
{
printf("currently only SIGHASH_ALL supported, not %d\n",hashtype);
return(sigtxid);
}
for (i=0; i<dest.tx_in; i++)
{
if ( i == vini )
{
dest.vins[i].vinscript = spendscript;
dest.vins[i].scriptlen = spendlen;
//int32_t j; for (j=0; j<spendlen; j++)
// printf("%02x",spendscript[j]);
//printf(" tmpscript.%d vini.%d\n",spendlen,vini);
}
else
{
dest.vins[i].vinscript = (uint8_t *)"";
dest.vins[i].scriptlen = 0;
}
dest.vins[i].p2shlen = 0;
dest.vins[i].redeemscript = 0;
dest.vins[i].userdata = 0;
dest.vins[i].userdatalen = 0;
}
len = iguana_rwmsgtx(pubtype,p2shtype,isPoS,height,1,0,serialized,maxlen,&dest,&txid,vpnstr,0,0,0,suppress_pubkeys);
//for (i=0; i<len; i++)
// printf("%02x",serialized[i]);
//printf(" <- sigtx len.%d supp.%d user[0].%d\n",len,suppress_pubkeys,dest.vins[0].userdatalen);
if ( len > 0 ) // (dest.tx_in != 1 || bits256_nonz(dest.vins[0].prev_hash) != 0) && dest.vins[0].scriptlen > 0 &&
{
#ifdef BTC2_VERSION
if ( height >= BTC2_HARDFORK_HEIGHT )
hashtype |= (0x777 << 20);
#endif
len += iguana_rwnum(1,&serialized[len],sizeof(hashtype),&hashtype);
revsigtxid = bits256_doublesha256(0,serialized,len);
for (i=0; i<sizeof(revsigtxid); i++)
sigtxid.bytes[31-i] = revsigtxid.bytes[i];
//char str[65]; printf("SIGTXID.(%s) numvouts.%d\n",bits256_str(str,sigtxid),dest.tx_out);
}
free(dest.vins);
free(dest.vouts);
return(sigtxid);
}
int32_t iguana_rwmsgtx(uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,int32_t rwflag,cJSON *json,uint8_t *serialized,int32_t maxsize,struct iguana_msgtx *msg,bits256 *txidp,char *vpnstr,uint8_t *extraspace,int32_t extralen,cJSON *vins,int32_t suppress_pubkeys)
{
int32_t i,n,len = 0,extraused=0; uint8_t spendscript[IGUANA_MAXSCRIPTSIZE],*txstart = serialized,*sigser=0; char txidstr[65]; cJSON *vinarray=0,*voutarray=0; bits256 sigtxid;
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->version),&msg->version);
if ( json != 0 )
{
jaddnum(json,"version",msg->version);
vinarray = cJSON_CreateArray();
voutarray = cJSON_CreateArray();
if ( rwflag == 0 )
sigser = calloc(1,maxsize*2);
//printf("json.%p array.%p sigser.%p\n",json,vinarray,sigser);
}
//printf("version.%d\n",msg->version);
if ( isPoS != 0 )
{
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->timestamp),&msg->timestamp);
//char str[65]; printf("version.%d timestamp.%08x %u %s\n",msg->version,msg->timestamp,msg->timestamp,utc_str(str,msg->timestamp));
if ( json != 0 )
jaddnum(json,"timestamp",msg->timestamp);
}
len += iguana_rwvarint32(rwflag,&serialized[len],&msg->tx_in);
if ( rwflag == 0 )
{
if ( msg->vins == 0 )
{
if ( sizeof(struct iguana_msgvin)*msg->tx_in > extralen )
{
printf("(size.%d * tx_in.%d) > extralen.%d\n",(int32_t)sizeof(struct iguana_msgvin),msg->tx_in,extralen);
return(-1);
}
msg->vins = (struct iguana_msgvin *)extraspace;
extraused += (sizeof(struct iguana_msgvin) * msg->tx_in);
} else printf("unexpected non-null msg->vins.%p\n",msg->vins);
memset(msg->vins,0,sizeof(struct iguana_msgvin) * msg->tx_in);
}
for (i=0; i<msg->tx_in; i++)
{
//printf("vin.%d starts offset.%d\n",i,len);
if ( vins != 0 && jitem(vins,i) != 0 )
iguana_vinobjset(&msg->vins[i],jitem(vins,i),spendscript,sizeof(spendscript));
if ( (n= iguana_vinparse(rwflag,&serialized[len],&msg->vins[i])) < 0 )
return(-1);
//printf("serialized vin.[%02x %02x %02x]\n",serialized[len],serialized[len+1],serialized[len+2]);
if ( msg->vins[i].spendscript == spendscript )
msg->vins[i].spendscript = 0;
//printf("vin.%d n.%d len.%d\n",i,n,len);
len += n;
if ( len > maxsize )
{
printf("invalid tx_in.%d len.%d vs maxsize.%d\n",msg->tx_in,len,maxsize);
return(-1);
}
}
//for (i=-3; i<7; i++)
// printf("%02x",serialized[len+i]);
//printf(" prev 3 bytes before tx_out rw.%d\n",rwflag);
len += iguana_rwvarint32(rwflag,&serialized[len],&msg->tx_out);
if ( rwflag == 0 )
{
if ( msg->vouts == 0 )
{
if ( (extraused & 0xf) != 0 )
extraused += 0xf - (extraused & 0xf);
if ( extraused + sizeof(struct iguana_msgvout)*msg->tx_out > extralen )
{
printf("extraused.%d + tx_out.%d > extralen.%d\n",extraused,msg->tx_out,extralen);
return(-1);
}
msg->vouts = (struct iguana_msgvout *)&extraspace[extraused];
extraused += (sizeof(struct iguana_msgvout) * msg->tx_out);
} else printf("unexpected non-null msg->vouts %p\n",msg->vouts);
memset(msg->vouts,0,sizeof(struct iguana_msgvout) * msg->tx_out);
}
for (i=0; i<msg->tx_out; i++)
{
//printf("rwflag.%d vout.%d starts %d\n",rwflag,i,len);
if ( (n= iguana_voutparse(rwflag,&serialized[len],&msg->vouts[i])) < 0 )
return(-1);
len += n;
if ( len > maxsize )
{
printf("invalidC tx_out.%d of %d len.%d vs maxsize.%d n.%d\n",i,msg->tx_out,len,maxsize,n);
return(-1);
}
if ( voutarray != 0 )
jaddi(voutarray,iguana_voutjson(pubtype,p2shtype,&msg->vouts[i],i,*txidp));
}
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->lock_time),&msg->lock_time);
//printf("lock_time.%08x len.%d\n",msg->lock_time,len);
/*if ( strcmp(coin->symbol,"VPN") == 0 )
{
uint16_t ddosflag = 0;
len += iguana_rwnum(rwflag,&serialized[len],sizeof(ddosflag),&ddosflag);
for (i=0; serialized[len]!=0&&len<maxsize; len++,i++) // eat null terminated string
{
if ( rwflag == 0 )
serialized[len] = vpnstr[i];
else vpnstr[i] = serialized[len];
}
if ( rwflag == 0 )
serialized[len] = 0;
else vpnstr[i] = 0;
len++;
if ( json != 0 )
{
jaddnum(json,"ddosflag",ddosflag);
jaddstr(json,"vpnstr",vpnstr);
}
}*/
if ( sigser != 0 && vinarray != 0 )
{
for (i=0; i<msg->tx_in; i++)
{
memset(sigtxid.bytes,0,sizeof(sigtxid));
if ( vins != 0 && jitem(vins,i) != 0 )
{
iguana_vinobjset(&msg->vins[i],jitem(vins,i),spendscript,sizeof(spendscript));
sigtxid = bitcoin_sigtxid(pubtype,p2shtype,isPoS,height,sigser,maxsize*2,msg,i,msg->vins[i].spendscript,msg->vins[i].spendlen,SIGHASH_ALL,vpnstr,suppress_pubkeys);
//printf("after vini.%d vinscript.%p spendscript.%p spendlen.%d (%s)\n",i,msg->vins[i].vinscript,msg->vins[i].spendscript,msg->vins[i].spendlen,jprint(jitem(vins,i),0));
if ( iguana_vinarray_check(vinarray,msg->vins[i].prev_hash,msg->vins[i].prev_vout) < 0 )
jaddi(vinarray,iguana_vinjson(&msg->vins[i],sigtxid));
if ( msg->vins[i].spendscript == spendscript )
msg->vins[i].spendscript = 0;
} else if ( iguana_vinarray_check(vinarray,msg->vins[i].prev_hash,msg->vins[i].prev_vout) < 0 )
jaddi(vinarray,iguana_vinjson(&msg->vins[i],sigtxid));
}
free(sigser);
jadd(json,"vin",vinarray);
msg->tx_in = cJSON_GetArraySize(vinarray);
jaddnum(json,"numvins",msg->tx_in);
}
if ( voutarray != 0 )
{
jadd(json,"vout",voutarray);
jaddnum(json,"numvouts",msg->tx_out);
}
*txidp = bits256_doublesha256(txidstr,txstart,len);
if ( json != 0 )
{
jaddnum(json,"locktime",msg->lock_time);
jaddnum(json,"size",len);
jaddbits256(json,"txid",*txidp);
//printf("TX.(%s) %p\n",jprint(json,0),json);
}
msg->allocsize = len;
return(len);
}
bits256 iguana_parsetxobj(uint8_t isPoS,int32_t *txstartp,uint8_t *serialized,int32_t maxsize,struct iguana_msgtx *msg,cJSON *txobj,struct vin_info *V)
{
int32_t i,n,numvins,numvouts,len = 0,rwflag=1; cJSON *array=0; bits256 txid; char vpnstr[64];
memset(&txid,0,sizeof(txid));
memset(msg,0,sizeof(*msg));
*txstartp = 0;
if ( txobj == 0 )
return(txid);
vpnstr[0] = 0;
if ( (msg->version= juint(txobj,"version")) == 0 )
msg->version = 1;
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->version),&msg->version);
if ( isPoS != 0 )
{
if ( (msg->timestamp= juint(txobj,"timestamp")) == 0 )
msg->timestamp = (uint32_t)time(NULL);
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->timestamp),&msg->timestamp);
}
if ( (array= jarray(&numvins,txobj,"vin")) != 0 )
{
msg->tx_in = numvins;
len += iguana_rwvarint32(rwflag,&serialized[len],&msg->tx_in);
if ( len + sizeof(struct iguana_msgvin)*msg->tx_in > maxsize )
return(txid);
maxsize -= (sizeof(struct iguana_msgvin) * msg->tx_in);
msg->vins = (struct iguana_msgvin *)&serialized[maxsize];
memset(msg->vins,0,sizeof(struct iguana_msgvin) * msg->tx_in);
if ( msg->tx_in > 0 && msg->tx_in*sizeof(struct iguana_msgvin) < maxsize )
{
for (i=0; i<msg->tx_in; i++)
{
n = iguana_parsevinobj(&serialized[len],maxsize,&msg->vins[i],jitem(array,i),V!=0?&V[i]:0);
//for (j=0; j<8; j++)
// printf("%02x",serialized[len+j]);
//char str[65]; printf(" <- vinobj.%d starts offset.%d %s\n",i,len,bits256_str(str,msg->vins[i].prev_hash));
len += n;
}
}
}
if ( (array= jarray(&numvouts,txobj,"vout")) != 0 )
{
msg->tx_out = numvouts;
len += iguana_rwvarint32(rwflag,&serialized[len],&msg->tx_out);
if ( len + sizeof(struct iguana_msgvout)*msg->tx_out > maxsize )
return(txid);
maxsize -= (sizeof(struct iguana_msgvout) * msg->tx_out);
msg->vouts = (struct iguana_msgvout *)&serialized[maxsize];
memset(msg->vouts,0,sizeof(struct iguana_msgvout) * msg->tx_out);
if ( msg->tx_out > 0 && msg->tx_out*sizeof(struct iguana_msgvout) < maxsize )
{
for (i=0; i<msg->tx_out; i++)
{
//printf("parsetxobj parsevout.%d starts %d\n",i,len);
len += iguana_parsevoutobj(&serialized[len],maxsize,&msg->vouts[i],jitem(array,i));
}
}
}
msg->lock_time = jint(txobj,"locktime");
len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->lock_time),&msg->lock_time);
//msg->txid = jbits256(txobj,"txid");
*txstartp = 0;
msg->allocsize = len;
msg->txid = txid = bits256_doublesha256(0,serialized,len);
return(txid);
}
char *iguana_rawtxbytes(uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,cJSON *json,struct iguana_msgtx *msgtx,int32_t suppress_pubkeys)
{
int32_t n; char *txbytes = 0,vpnstr[64]; uint8_t *serialized;
serialized = malloc(IGUANA_MAXPACKETSIZE);
vpnstr[0] = 0;
//char str[65]; printf("%d of %d: %s\n",i,msg.txn_count,bits256_str(str,tx.txid));
if ( (n= iguana_rwmsgtx(pubtype,p2shtype,isPoS,height,1,json,serialized,IGUANA_MAXPACKETSIZE,msgtx,&msgtx->txid,vpnstr,0,0,0,suppress_pubkeys)) > 0 )
{
txbytes = malloc(n*2+1);
init_hexbytes_noT(txbytes,serialized,n);
}
free(serialized);
return(txbytes);
}
char *bitcoin_json2hex(uint8_t isPoS,bits256 *txidp,cJSON *txjson,struct vin_info *V)
{
int32_t txstart; uint8_t *serialized; struct iguana_msgtx msgtx; char *txbytes = 0;
if ( txjson == 0 )
{
memset(txidp,0,sizeof(*txidp));
return(0);
}
serialized = malloc(IGUANA_MAXPACKETSIZE*1.5);
*txidp = iguana_parsetxobj(isPoS,&txstart,serialized,IGUANA_MAXPACKETSIZE*1.5,&msgtx,txjson,V);
if ( msgtx.allocsize > 0 )
{
txbytes = malloc(msgtx.allocsize*2 + 1);
init_hexbytes_noT(txbytes,&serialized[txstart],msgtx.allocsize);
} else printf("bitcoin_txtest: zero msgtx allocsize.(%s)\n",jprint(txjson,0));
free(serialized);
return(txbytes);
}
cJSON *bitcoin_data2json(uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,bits256 *txidp,struct iguana_msgtx *msgtx,uint8_t *extraspace,int32_t extralen,uint8_t *serialized,int32_t len,cJSON *vins,int32_t suppress_pubkeys)
{
int32_t n; char vpnstr[64]; struct iguana_msgtx M; cJSON *txobj;
if ( serialized == 0 )
return(0);
txobj = cJSON_CreateObject();
if ( msgtx == 0 )
msgtx = &M;
memset(msgtx,0,sizeof(M));
vpnstr[0] = 0;
memset(txidp,0,sizeof(*txidp));
if ( (n= iguana_rwmsgtx(pubtype,p2shtype,isPoS,height,0,txobj,serialized,len,msgtx,txidp,vpnstr,extraspace,extralen,vins,suppress_pubkeys)) <= 0 )
{
printf("errortxobj.(%s)\n",jprint(txobj,0));
free_json(txobj);
txobj = cJSON_CreateObject();
jaddstr(txobj,"error","couldnt decode transaction");
}
//printf("msgtx.(%s)\n",jprint(txobj,0));
if ( n != len )
{
int32_t i;
for (i=0; i<=len; i++)
printf("%02x",serialized[i]);
printf(" data2json n.%d vs len.%d\n",n,len);
}
return(txobj);
}
cJSON *bitcoin_hex2json(uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,bits256 *txidp,struct iguana_msgtx *msgtx,char *txbytes,uint8_t *extraspace,int32_t extralen,uint8_t *origserialized,cJSON *vins,int32_t suppress_pubkeys)
{
int32_t len; uint8_t *serialized; cJSON *txobj;
if ( txbytes == 0 )
return(0);
len = (int32_t)strlen(txbytes) >> 1;
if ( (serialized= origserialized) == 0 )
serialized = calloc(1,len+4096);
decode_hex(serialized,len,txbytes);
txobj = bitcoin_data2json(pubtype,p2shtype,isPoS,height,txidp,msgtx,extraspace,extralen,serialized,len,vins,suppress_pubkeys);
if ( serialized != origserialized )
free(serialized);
return(txobj);
}