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LP_transaction.c
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/******************************************************************************
* Copyright © 2014-2018 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_transaction.c
// marketmaker
//
bits256 LP_privkeyfind(uint8_t rmd160[20])
{
int32_t i; static bits256 zero;
for (i=0; i<G.LP_numprivkeys; i++)
if ( memcmp(rmd160,G.LP_privkeys[i].rmd160,20) == 0 )
return(G.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));
G.LP_privkeys[G.LP_numprivkeys].privkey = privkey;
memcpy(G.LP_privkeys[G.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));
G.LP_numprivkeys++;
return(G.LP_numprivkeys);
}
bits256 LP_privkey(char *symbol,char *coinaddr,uint8_t taddr)
{
bits256 privkey; uint8_t addrtype,rmd160[20];
bitcoin_addr2rmd160(symbol,taddr,&addrtype,rmd160,coinaddr);
privkey = LP_privkeyfind(rmd160);
return(privkey);
}
bits256 LP_pubkey(bits256 privkey)
{
bits256 pubkey;
pubkey = curve25519(privkey,curve25519_basepoint9());
return(pubkey);
}
int32_t LP_gettx_presence(int32_t *numconfirmsp,char *symbol,bits256 expectedtxid,char *coinaddr)
{
cJSON *txobj,*retjson,*item; bits256 txid; struct iguana_info *coin; int32_t height=-1,i,n,flag = 0;
if ( numconfirmsp != 0 )
*numconfirmsp = -1;
if ( (txobj= LP_gettx("LP_gettx_presence",symbol,expectedtxid,0)) != 0 )
{
txid = jbits256(txobj,"txid");
if ( jobj(txobj,"error") == 0 && bits256_cmp(txid,expectedtxid) == 0 )
{
if ( numconfirmsp != 0 )
*numconfirmsp = 0;
if ( numconfirmsp != 0 && coinaddr != 0 && (coin= LP_coinfind(symbol)) != 0 && coin->electrum != 0 )
{
//char str[65]; printf("%s %s already in gettx (%s)\n",coinaddr,bits256_str(str,txid),jprint(txobj,0));
if ( (retjson= electrum_address_gethistory(symbol,coin->electrum,&retjson,coinaddr,expectedtxid)) != 0 )
{
if ( (n= cJSON_GetArraySize(retjson)) > 0 )
{
for (i=0; i<n; i++)
{
item = jitem(retjson,i);
if ( bits256_cmp(txid,jbits256(item,"tx_hash")) == 0 )
{
height = jint(item,"height");
//printf("found txid at height.%d\n",height);
if ( height <= coin->height )
*numconfirmsp = (coin->height - height + 1);
break;
}
}
}
free_json(retjson);
//printf("got %s history height.%d vs coin.%d -> numconfirms.%d\n",coin->symbol,height,coin->height,*numconfirmsp);
}
}
flag = 1;
}
free_json(txobj);
}
return(flag);
}
bits256 LP_broadcast(char *txname,char *symbol,char *txbytes,bits256 expectedtxid)
{
char *retstr,*errstr; bits256 txid; uint8_t *ptr; cJSON *retjson,*errorobj; struct iguana_info *coin; int32_t i,totalretries=0,len,sentflag = 0;
coin = LP_coinfind(symbol);
memset(&txid,0,sizeof(txid));
if ( txbytes == 0 || txbytes[0] == 0 )
return(txid);
if ( bits256_nonz(expectedtxid) == 0 )
{
len = (int32_t)strlen(txbytes) >> 1;
ptr = malloc(len);
decode_hex(ptr,len,txbytes);
expectedtxid = bits256_calctxid(symbol,ptr,len);
free(ptr);
}
for (i=0; i<2; i++)
{
//char str[65]; printf("LP_broadcast.%d %s (%s) %s i.%d sentflag.%d %s\n",i,txname,symbol,bits256_str(str,expectedtxid),i,sentflag,txbytes);
if ( sentflag == 0 && LP_gettx_presence(0,symbol,expectedtxid,0) != 0 )
sentflag = 1;
if ( sentflag == 0 && (retstr= LP_sendrawtransaction(symbol,txbytes)) != 0 )
{
if ( is_hexstr(retstr,0) == 64 )
{
decode_hex(txid.bytes,32,retstr);
if ( bits256_cmp(txid,expectedtxid) == 0 || (bits256_nonz(expectedtxid) == 0 && bits256_nonz(txid) != 0) )
{
sentflag = 1;
expectedtxid = txid;
}
}
else if ( (retjson= cJSON_Parse(retstr)) != 0 )
{
if ( (errorobj= jobj(retjson,"error")) != 0 )
{
if ( jint(errorobj,"code") == -27 ) // "transaction already in block chain"
{
txid = expectedtxid;
sentflag = 1;
}
else if ( (errstr= jstr(retjson,"error")) != 0 && strcmp(errstr,"timeout") == 0 && coin != 0 && coin->electrum != 0 )
{
if ( totalretries < 4 )
{
printf("time error with electrum, retry.%d\n",totalretries);
totalretries++;
i--;
}
} else printf("broadcast error.(%s)\n",retstr);
}
free_json(retjson);
}
//char str[65]; printf("sentflag.%d [%s] %s RETSTR.(%s) %s.%s\n",sentflag,txname,txbytes,retstr,symbol,bits256_str(str,txid));
free(retstr);
}
if ( sentflag != 0 )
break;
sleep(3);
}
if ( sentflag != 0 )
return(expectedtxid);
return(txid);
}
bits256 LP_broadcast_tx(char *name,char *symbol,uint8_t *data,int32_t datalen)
{
bits256 txid; char *signedtx;
memset(txid.bytes,0,sizeof(txid));
if ( data != 0 && datalen != 0 )
{
signedtx = malloc(datalen*2 + 1);
init_hexbytes_noT(signedtx,data,datalen);
txid = bits256_calctxid(symbol,data,datalen);
#ifdef BASILISK_DISABLESENDTX
char str[65]; printf("%s <- dont sendrawtransaction (%s) %s\n",name,bits256_str(str,txid),signedtx);
#else
txid = LP_broadcast(name,symbol,signedtx,txid);
#endif
free(signedtx);
}
return(txid);
}
int32_t iguana_msgtx_Vset(uint8_t *serialized,int32_t maxlen,struct iguana_msgtx *msgtx,struct vin_info *V)
{
int32_t vini,j,scriptlen,p2shlen,userdatalen,siglen,plen,need_op0=0,len = 0; uint8_t *script,*redeemscript=0,*userdata=0; struct vin_info *vp;
for (vini=0; vini<msgtx->tx_in; vini++)
{
vp = &V[vini];
if ( (userdatalen= vp->userdatalen) == 0 )
{
userdatalen = vp->userdatalen = msgtx->vins[vini].userdatalen;
userdata = msgtx->vins[vini].userdata;
} else userdata = vp->userdata;
if ( (p2shlen= vp->p2shlen) == 0 )
{
p2shlen = vp->p2shlen = msgtx->vins[vini].p2shlen;
redeemscript = msgtx->vins[vini].redeemscript;
}
else
{
redeemscript = vp->p2shscript;
msgtx->vins[vini].redeemscript = redeemscript;
}
if ( msgtx->vins[vini].spendlen > 33 && msgtx->vins[vini].spendscript[msgtx->vins[vini].spendlen - 1] == SCRIPT_OP_CHECKMULTISIG )
{
need_op0 = 1;
printf("found multisig spendscript\n");
}
if ( redeemscript != 0 && p2shlen > 33 && redeemscript[p2shlen - 1] == SCRIPT_OP_CHECKMULTISIG )
{
need_op0 = 1;
//printf("found multisig redeemscript\n");
}
msgtx->vins[vini].vinscript = script = &serialized[len];
msgtx->vins[vini].vinscript[0] = 0;
scriptlen = need_op0;
for (j=0; j<vp->N; j++)
{
if ( (siglen= vp->signers[j].siglen) > 0 )
{
script[scriptlen++] = siglen;
memcpy(&script[scriptlen],vp->signers[j].sig,siglen);
scriptlen += siglen;
}
}
msgtx->vins[vini].scriptlen = scriptlen;
if ( vp->suppress_pubkeys == 0 && (vp->N > 1 || bitcoin_pubkeylen(&vp->spendscript[1]) != vp->spendscript[0] || vp->spendscript[vp->spendlen-1] != 0xac) )
{
for (j=0; j<vp->N; j++)
{
if ( (plen= bitcoin_pubkeylen(vp->signers[j].pubkey)) > 0 )
{
script[scriptlen++] = plen;
memcpy(&script[scriptlen],vp->signers[j].pubkey,plen);
scriptlen += plen;
}
}
msgtx->vins[vini].scriptlen = scriptlen;
}
if ( userdatalen != 0 )
{
memcpy(&script[scriptlen],userdata,userdatalen);
msgtx->vins[vini].userdata = &script[scriptlen];
msgtx->vins[vini].userdatalen = userdatalen;
scriptlen += userdatalen;
}
//printf("USERDATALEN.%d scriptlen.%d redeemlen.%d\n",userdatalen,scriptlen,p2shlen);
if ( p2shlen != 0 )
{
if ( p2shlen < 76 )
script[scriptlen++] = p2shlen;
else if ( p2shlen <= 0xff )
{
script[scriptlen++] = 0x4c;
script[scriptlen++] = p2shlen;
}
else if ( p2shlen <= 0xffff )
{
script[scriptlen++] = 0x4d;
script[scriptlen++] = (p2shlen & 0xff);
script[scriptlen++] = ((p2shlen >> 8) & 0xff);
} else return(-1);
msgtx->vins[vini].p2shlen = p2shlen;
memcpy(&script[scriptlen],redeemscript,p2shlen);
scriptlen += p2shlen;
}
len += scriptlen;
}
if ( (0) )
{
int32_t i; for (i=0; i<len; i++)
printf("%02x",script[i]);
printf(" <-script len.%d scriptlen.%d p2shlen.%d user.%d\n",len,scriptlen,p2shlen,userdatalen);
}
return(len);
}
int32_t iguana_interpreter(struct iguana_info *coin,cJSON *logarray,int64_t nLockTime,struct vin_info *V,int32_t numvins)
{
uint8_t *script,*activescript,*savescript; char *str; int32_t vini,scriptlen,activescriptlen,savelen,errs = 0; cJSON *spendscript,*item=0;
script = calloc(1,IGUANA_MAXSCRIPTSIZE);
savescript = calloc(1,IGUANA_MAXSCRIPTSIZE);
str = calloc(1,IGUANA_MAXSCRIPTSIZE*2+1);
for (vini=0; vini<numvins; vini++)
{
savelen = V[vini].spendlen;
memcpy(savescript,V[vini].spendscript,savelen);
if ( V[vini].p2shlen > 0 )
{
activescript = V[vini].p2shscript;
activescriptlen = V[vini].p2shlen;
}
else
{
activescript = V[vini].spendscript;
activescriptlen = V[vini].spendlen;
}
memcpy(V[vini].spendscript,activescript,activescriptlen);
V[vini].spendlen = activescriptlen;
spendscript = iguana_spendasm(activescript,activescriptlen);
if ( activescriptlen < 16 )
continue;
//printf("interpreter.(%s)\n",jprint(spendscript,0));
//printf("bitcoin_assembler ignore_cltverr.%d suppress.%d\n",V[vini].ignore_cltverr,V[vini].suppress_pubkeys);
if ( (scriptlen= bitcoin_assembler(coin,logarray,script,spendscript,1,nLockTime,&V[vini])) < 0 )
{
//printf("bitcoin_assembler error scriptlen.%d\n",scriptlen);
errs++;
}
else if ( scriptlen != activescriptlen || memcmp(script,activescript,scriptlen) != 0 )
{
if ( logarray != 0 )
{
item = cJSON_CreateObject();
jaddstr(item,"error","script reconstruction failed");
}
init_hexbytes_noT(str,activescript,activescriptlen);
//printf("activescript.(%s)\n",str);
if ( logarray != 0 && item != 0 )
jaddstr(item,"original",str);
init_hexbytes_noT(str,script,scriptlen);
//printf("reconstructed.(%s)\n",str);
if ( logarray != 0 )
{
jaddstr(item,"reconstructed",str);
jaddi(logarray,item);
} else printf(" scriptlen mismatch.%d vs %d or miscompare\n",scriptlen,activescriptlen);
errs++;
}
memcpy(V[vini].spendscript,savescript,savelen);
V[vini].spendlen = savelen;
}
free(str);
free(script);
free(savescript);
if ( errs != 0 )
return(-errs);
if ( logarray != 0 )
{
item = cJSON_CreateObject();
jaddstr(item,"result","success");
jaddi(logarray,item);
}
return(0);
}
bits256 iguana_str2priv(char *symbol,uint8_t wiftaddr,char *str)
{
bits256 privkey; int32_t n; uint8_t addrtype; //struct iguana_waccount *wacct=0; struct iguana_waddress *waddr;
memset(&privkey,0,sizeof(privkey));
if ( str != 0 )
{
n = (int32_t)strlen(str) >> 1;
if ( n == sizeof(bits256) && is_hexstr(str,sizeof(bits256)) > 0 )
decode_hex(privkey.bytes,sizeof(privkey),str);
else if ( bitcoin_wif2priv(symbol,wiftaddr,&addrtype,&privkey,str) != sizeof(bits256) )
{
//if ( (waddr= iguana_waddresssearch(&wacct,str)) != 0 )
// privkey = waddr->privkey;
//else memset(privkey.bytes,0,sizeof(privkey));
}
}
return(privkey);
}
int32_t iguana_vininfo_create(char *symbol,uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,uint8_t *serialized,int32_t maxsize,struct iguana_msgtx *msgtx,cJSON *vins,int32_t numinputs,struct vin_info *V)
{
int32_t i,plen,finalized = 1,len = 0; struct vin_info *vp; //struct iguana_waccount *wacct; struct iguana_waddress *waddr; uint32_t sigsize,pubkeysize,p2shsize,userdatalen;
msgtx->tx_in = numinputs;
maxsize -= (sizeof(struct iguana_msgvin) * msgtx->tx_in);
msgtx->vins = (struct iguana_msgvin *)&serialized[maxsize];
memset(msgtx->vins,0,sizeof(struct iguana_msgvin) * msgtx->tx_in);
if ( msgtx->tx_in > 0 && msgtx->tx_in*sizeof(struct iguana_msgvin) < maxsize )
{
for (i=0; i<msgtx->tx_in; i++)
{
vp = &V[i];
//printf("VINS.(%s)\n",jprint(jitem(vins,i),0));
len += iguana_parsevinobj(&serialized[len],maxsize,&msgtx->vins[i],jitem(vins,i),vp);
if ( msgtx->vins[i].sequence < IGUANA_SEQUENCEID_FINAL )
finalized = 0;
if ( msgtx->vins[i].spendscript == 0 )
{
/*if ( iguana_RTunspentindfind(coin,&outpt,vp->coinaddr,vp->spendscript,&vp->spendlen,&vp->amount,&vp->height,msgtx->vins[i].prev_hash,msgtx->vins[i].prev_vout,coin->bundlescount-1,0) == 0 )
{
vp->unspentind = outpt.unspentind;
msgtx->vins[i].spendscript = vp->spendscript;
msgtx->vins[i].spendlen = vp->spendlen;
vp->hashtype = iguana_vinscriptparse(coin,vp,&sigsize,&pubkeysize,&p2shsize,&userdatalen,vp->spendscript,vp->spendlen);
vp->userdatalen = userdatalen;
printf("V %.8f (%s) spendscript.[%d] userdatalen.%d\n",dstr(vp->amount),vp->coinaddr,vp->spendlen,userdatalen);
}*/
}
else
{
memcpy(vp->spendscript,msgtx->vins[i].spendscript,msgtx->vins[i].spendlen);
vp->spendlen = msgtx->vins[i].spendlen;
_iguana_calcrmd160(symbol,taddr,pubtype,p2shtype,vp);
if ( (plen= bitcoin_pubkeylen(vp->signers[0].pubkey)) > 0 )
bitcoin_address(symbol,vp->coinaddr,taddr,pubtype,vp->signers[0].pubkey,plen);
}
if ( vp->M == 0 && vp->N == 0 )
vp->M = vp->N = 1;
/*if ( vp->coinaddr[i] != 0 && (waddr= iguana_waddresssearch(&wacct,vp->coinaddr)) != 0 )
{
vp->signers[0].privkey = waddr->privkey;
if ( (plen= bitcoin_pubkeylen(waddr->pubkey)) != vp->spendscript[1] || vp->spendscript[vp->spendlen-1] != 0xac )
{
if ( plen > 0 && plen < sizeof(vp->signers[0].pubkey) )
memcpy(vp->signers[0].pubkey,waddr->pubkey,plen);
}
}*/
}
}
return(finalized);
}
int32_t bitcoin_verifyvins(void *ctx,char *symbol,uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,bits256 *signedtxidp,char **signedtx,struct iguana_msgtx *msgtx,uint8_t *serialized,int32_t maxlen,struct vin_info *V,uint32_t sighash,int32_t signtx,int32_t suppress_pubkeys,int32_t zcash)
{
bits256 sigtxid; int64_t spendamount; uint8_t *sig,*script; struct vin_info *vp; char vpnstr[64]; int32_t scriptlen,complete=0,j,vini=0,flag=0,siglen,numvouts,numsigs;
numvouts = msgtx->tx_out;
vpnstr[0] = 0;
*signedtx = 0;
memset(signedtxidp,0,sizeof(*signedtxidp));
//printf("bitcoin_verifyvins numvins.%d numvouts.%d signtx.%d privkey.%d M.%d N.%d\n",msgtx->tx_in,numvouts,signtx,bits256_nonz(V[0].signers[0].privkey),V[0].M,V[0].N);
for (vini=0; vini<msgtx->tx_in; vini++)
{
if ( V->p2shscript[0] != 0 && V->p2shlen != 0 )
{
script = V->p2shscript;
scriptlen = V->p2shlen;
}
else
{
script = msgtx->vins[vini].spendscript;
scriptlen = msgtx->vins[vini].spendlen;
}
spendamount = LP_outpoint_amount(symbol,msgtx->vins[vini].prev_hash,msgtx->vins[vini].prev_vout);
sigtxid = bitcoin_sigtxid(symbol,taddr,pubtype,p2shtype,isPoS,height,serialized,maxlen,msgtx,vini,script,scriptlen,spendamount,sighash,vpnstr,suppress_pubkeys,zcash);
if ( bits256_nonz(sigtxid) != 0 )
{
vp = &V[vini];
vp->sigtxid = sigtxid;
for (j=numsigs=0; j<vp->N; j++)
{
sig = vp->signers[j].sig;
siglen = vp->signers[j].siglen;
if ( signtx != 0 && bits256_nonz(vp->signers[j].privkey) != 0 )
{
siglen = bitcoin_sign(ctx,symbol,sig,sigtxid,vp->signers[j].privkey,0);
//if ( (plen= bitcoin_pubkeylen(vp->signers[j].pubkey)) <= 0 )
bitcoin_pubkey33(ctx,vp->signers[j].pubkey,vp->signers[j].privkey);
sig[siglen++] = sighash;
vp->signers[j].siglen = siglen;
/*char str[65]; printf("SIGTXID.(%s) ",bits256_str(str,sigtxid));
int32_t i; for (i=0; i<siglen; i++)
printf("%02x",sig[i]);
printf(" sig, ");
for (i=0; i<33; i++)
printf("%02x",vp->signers[j].pubkey[i]);
// s2 = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1;
printf(" SIGNEDTX.[%02x] siglen.%d priv.%s\n",sig[siglen-1],siglen,bits256_str(str,vp->signers[j].privkey));*/
}
if ( sig == 0 || siglen == 0 )
{
memset(vp->signers[j].pubkey,0,sizeof(vp->signers[j].pubkey));
char str[65]; printf("no sig.%p or siglen.%d zero priv.(%s)\n",sig,siglen,bits256_str(str,vp->signers[j].privkey));
continue;
}
if ( bitcoin_verify(ctx,sig,siglen-1,sigtxid,vp->signers[j].pubkey,bitcoin_pubkeylen(vp->signers[j].pubkey)) < 0 )
{
int32_t k; for (k=0; k<bitcoin_pubkeylen(vp->signers[j].pubkey); k++)
printf("%02x",vp->signers[j].pubkey[k]);
printf(" SIG.%d.%d ERROR siglen.%d\n",vini,j,siglen);
}
else
{
flag++;
numsigs++;
/*int32_t z; char tmpaddr[64];
for (z=0; z<siglen-1; z++)
printf("%02x",sig[z]);
printf(" <- sig[%d]\n",j);
for (z=0; z<33; z++)
printf("%02x",vp->signers[j].pubkey[z]);
bitcoin_address(tmpaddr,0,0,vp->signers[j].pubkey,33);
printf(" <- pub, SIG.%d.%d VERIFIED numsigs.%d vs M.%d %s\n",vini,j,numsigs,vp->M,tmpaddr);*/
}
}
if ( numsigs >= vp->M )
complete = 1;
} else if ( signtx != 0 )
printf("bitcoin_verifyvins cant without privkey\n");
}
iguana_msgtx_Vset(serialized,maxlen,msgtx,V);
cJSON *txobj = 0;//cJSON_CreateObject();
*signedtx = iguana_rawtxbytes(symbol,taddr,pubtype,p2shtype,isPoS,height,txobj,msgtx,suppress_pubkeys,zcash);
//printf("SIGNEDTX.(%s)\n",jprint(txobj,1));
*signedtxidp = msgtx->txid;
return(complete);
}
int64_t iguana_lockval(int32_t finalized,int64_t locktime)
{
int64_t lockval = -1;
if ( finalized == 0 )
return(locktime);
return(lockval);
}
int32_t iguana_signrawtransaction(void *ctx,char *symbol,uint8_t wiftaddr,uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,int32_t height,struct iguana_msgtx *msgtx,char **signedtxp,bits256 *signedtxidp,struct vin_info *V,int32_t numinputs,char *rawtx,cJSON *vins,cJSON *privkeysjson,int32_t zcash)
{
uint8_t *serialized,*serialized2,*serialized3,*serialized4,*extraspace,pubkeys[64][33]; int32_t finalized,i,len,n,z,plen,maxsize,complete = 0,extralen = 100000; char *privkeystr,*signedtx = 0; uint32_t sighash; bits256 privkeys[LP_MAXVINS],privkey,txid; cJSON *item; cJSON *txobj = 0;
maxsize = 1000000;
memset(privkey.bytes,0,sizeof(privkey));
if ( rawtx != 0 && rawtx[0] != 0 && (len= (int32_t)strlen(rawtx)>>1) < maxsize )
{
serialized = malloc(maxsize);
serialized2 = malloc(maxsize);
serialized3 = malloc(maxsize);
serialized4 = malloc(maxsize);
extraspace = malloc(extralen);
memset(msgtx,0,sizeof(*msgtx));
decode_hex(serialized,len,rawtx);
if ( (txobj= bitcoin_hex2json(symbol,taddr,pubtype,p2shtype,isPoS,height,&txid,msgtx,rawtx,extraspace,extralen,serialized4,vins,V->suppress_pubkeys,zcash)) != 0 )
{
//printf("back from bitcoin_hex2json (%s)\n",jprint(vins,0));
} else printf("no txobj from bitcoin_hex2json\n");
//printf("call hex2json.(%s) vins.(%s)\n",rawtx,jprint(vins,0));
if ( (numinputs= cJSON_GetArraySize(vins)) > 0 )
{
//printf("numinputs.%d (%s) msgtx.%d\n",numinputs,jprint(vins,0),msgtx->tx_in);
memset(msgtx,0,sizeof(*msgtx));
if ( iguana_rwmsgtx(symbol,taddr,pubtype,p2shtype,isPoS,height,0,0,serialized,maxsize,msgtx,&txid,"",extraspace,extralen,vins,V->suppress_pubkeys,zcash) > 0 && numinputs == msgtx->tx_in )
{
memset(pubkeys,0,sizeof(pubkeys));
memset(privkeys,0,sizeof(privkeys));
if ( (n= cJSON_GetArraySize(privkeysjson)) > 0 )
{
for (i=0; i<n; i++)
{
item = jitem(privkeysjson,i);
privkeystr = jstr(item,0);
if ( privkeystr == 0 || privkeystr[0] == 0 )
continue;
privkeys[i] = privkey = iguana_str2priv(symbol,wiftaddr,privkeystr);
bitcoin_pubkey33(ctx,pubkeys[i],privkey);
//if ( bits256_nonz(privkey) != 0 )
// iguana_ensure_privkey(coin,privkey);
}
}
//printf("after privkeys tx_in.%d\n",msgtx->tx_in);
for (i=0; i<msgtx->tx_in; i++)
{
if ( msgtx->vins[i].p2shlen != 0 )
{
char coinaddr[64]; uint32_t userdatalen,hashtype,sigsize,pubkeysize; uint8_t *userdata; int32_t j,k,type,flag; struct vin_info mvin,mainvin; bits256 zero;
memset(zero.bytes,0,sizeof(zero));
coinaddr[0] = 0;
sigsize = 0;
flag = (msgtx->vins[i].vinscript[0] == 0);
type = bitcoin_scriptget(symbol,taddr,pubtype,p2shtype,&hashtype,&sigsize,&pubkeysize,&userdata,&userdatalen,&mainvin,msgtx->vins[i].vinscript+flag,msgtx->vins[i].scriptlen-flag,0,zcash);
//printf("i.%d flag.%d type.%d scriptlen.%d\n",i,flag,type,msgtx->vins[i].scriptlen);
if ( msgtx->vins[i].redeemscript != 0 )
{
//for (j=0; j<msgtx->vins[i].p2shlen; j++)
// printf("%02x",msgtx->vins[i].redeemscript[j]);
bitcoin_address(symbol,coinaddr,taddr,p2shtype,msgtx->vins[i].redeemscript,msgtx->vins[i].p2shlen);
type = iguana_calcrmd160(symbol,taddr,pubtype,p2shtype,0,&mvin,msgtx->vins[i].redeemscript,msgtx->vins[i].p2shlen,zero,0,0);
for (j=0; j<mvin.N; j++)
{
if ( V->suppress_pubkeys == 0 )
{
for (z=0; z<33; z++)
V[i].signers[j].pubkey[z] = mvin.signers[j].pubkey[z];
}
if ( flag != 0 && pubkeysize == 33 && mainvin.signers[0].siglen != 0 ) // jl777: need to generalize
{
if ( memcmp(mvin.signers[j].pubkey,mainvin.signers[0].pubkey,33) == 0 )
{
for (z=0; z<mainvin.signers[0].siglen; z++)
V[i].signers[j].sig[z] = mainvin.signers[0].sig[z];
V[i].signers[j].siglen = mainvin.signers[j].siglen;
printf("[%d].signer[%d] <- from mainvin.[0]\n",i,j);
}
}
for (k=0; k<n; k++)
{
if ( V[i].signers[j].siglen == 0 && memcmp(mvin.signers[j].pubkey,pubkeys[k],33) == 0 )
{
V[i].signers[j].privkey = privkeys[k];
if ( V->suppress_pubkeys == 0 )
{
for (z=0; z<33; z++)
V[i].signers[j].pubkey[z] = pubkeys[k][z];
}
//printf("%s -> V[%d].signer.[%d] <- privkey.%d\n",mvin.signers[j].coinaddr,i,j,k);
break;
}
}
}
//printf("type.%d p2sh.[%d] -> %s M.%d N.%d\n",type,i,mvin.coinaddr,mvin.M,mvin.N);
}
}
if ( i < V->N )
V->signers[i].privkey = privkey;
if ( i < numinputs )
V[i].signers[0].privkey = privkey;
plen = bitcoin_pubkeylen(V->signers[i].pubkey);
if ( V->suppress_pubkeys == 0 && plen <= 0 )
{
if ( i < numinputs )
{
for (z=0; z<plen; z++)
V[i].signers[0].pubkey[z] = V->signers[i].pubkey[z];
}
}
}
finalized = iguana_vininfo_create(symbol,taddr,pubtype,p2shtype,isPoS,serialized2,maxsize,msgtx,vins,numinputs,V);
//printf("finalized.%d ignore_cltverr.%d suppress.%d\n",finalized,V[0].ignore_cltverr,V[0].suppress_pubkeys);
sighash = LP_sighash(symbol,zcash);
if ( (complete= bitcoin_verifyvins(ctx,symbol,taddr,pubtype,p2shtype,isPoS,height,signedtxidp,&signedtx,msgtx,serialized3,maxsize,V,sighash,1,V->suppress_pubkeys,zcash)) > 0 && signedtx != 0 )
{
/*int32_t tmp; //char str[65];
if ( (tmp= iguana_interpreter(ctx,cJSON_CreateArray(),iguana_lockval(finalized,jint(txobj,"locktime")),V,numinputs)) < 0 )
{
printf("iguana_interpreter %d error.(%s)\n",tmp,signedtx);
complete = 0;
} else printf("interpreter passed\n");*/
} else printf("complete.%d\n",complete);
} else printf("rwmsgtx error\n");
} else printf("no inputs in vins.(%s)\n",vins!=0?jprint(vins,0):"null");
free(extraspace);
free(serialized), free(serialized2), free(serialized3), free(serialized4);
} else return(-1);
if ( txobj != 0 )
free_json(txobj);
*signedtxp = signedtx;
return(complete);
}
char *iguana_validaterawtx(void *ctx,struct iguana_info *coin,struct iguana_msgtx *msgtx,uint8_t *extraspace,int32_t extralen,char *rawtx,int32_t mempool,int32_t suppress_pubkeys,int32_t zcash)
{
bits256 signedtxid; cJSON *item,*vins,*vouts,*txobj,*retjson,*sobj; char *scriptsig,*signedtx; uint32_t sighash; int32_t sigsize,slen,height,finalized = 1,i,len,maxsize,numinputs,numoutputs,complete; struct vin_info *V; uint8_t *serialized,*serialized2,scriptbuf[256]; int64_t inputsum,outputsum; struct iguana_msgvout vout;
char *symbol; uint8_t wiftaddr,taddr,pubtype,p2shtype,isPoS;
height = coin->longestchain;
symbol = coin->symbol;
wiftaddr = coin->wiftaddr;
taddr = coin->taddr;
pubtype = coin->pubtype;
p2shtype = coin->p2shtype;
isPoS = coin->isPoS;
retjson = cJSON_CreateObject();
inputsum = outputsum = numinputs = numoutputs = 0;
if ( rawtx != 0 && rawtx[0] != 0 )
{
if ( (strlen(rawtx) & 1) != 0 )
return(clonestr("{\"error\":\"rawtx hex has odd length\"}"));
memset(msgtx,0,sizeof(*msgtx));
if ( (txobj= bitcoin_hex2json(symbol,taddr,pubtype,p2shtype,isPoS,height,&msgtx->txid,msgtx,rawtx,extraspace,extralen,0,0,suppress_pubkeys,zcash)) != 0 )
{
maxsize = (int32_t)strlen(rawtx);
serialized = malloc(maxsize);
serialized2 = malloc(maxsize);
if ( (vouts= jarray(&numoutputs,txobj,"vout")) > 0 )
{
for (i=0; i<numoutputs; i++)
{
if ( iguana_parsevoutobj(serialized,maxsize,&vout,jitem(vouts,i)) > 0 )
outputsum += vout.value;
}
}
if ( (vins= jarray(&numinputs,txobj,"vin")) > 0 )
{
V = calloc(numinputs,sizeof(*V));
len = 0;
for (i=0; i<numinputs; i++)
{
if ( V[i].M == 0 )
V[i].M = 1;
if ( V[i].N < V[i].M )
V[i].N = V[i].M;
item = jitem(vins,i);
if ( strcmp(jstr(item,"txid"),"b19ce2c564f7dc57b3f95593e2b287c72d388e86de12dc562d9f8a6bea65b310") == 0 && jint(item,"vout") == 1 )
{
V[i].spendlen = 25;
decode_hex(V[i].spendscript,V[i].spendlen,"76a91459fdba29ea85c65ad90f6d38f7a6646476b26b1688ac");
msgtx->lock_time = 0;
V[i].amount = 2746715;
strcpy(V[i].coinaddr,"19Cq6MBaD8LY7trqs99ypqKAms3GcLs6J9");
V[i].suppress_pubkeys = 0;
decode_hex(msgtx->vins[i].prev_hash.bytes,32,"b19ce2c564f7dc57b3f95593e2b287c72d388e86de12dc562d9f8a6bea65b310");
msgtx->vins[i].prev_vout = 1;
msgtx->vins[i].sequence = 0xffffffff;
sobj = cJSON_CreateObject();
jaddstr(sobj,"hex","76a91459fdba29ea85c65ad90f6d38f7a6646476b26b1688ac");
jadd(item,"scriptPubKey",sobj);
printf("match special txid B\n");
V[i].signers[0].privkey = G.LP_privkey;
}
msgtx->vins[i].spendscript = V[i].spendscript;
msgtx->vins[i].spendlen = V[i].spendlen;
if ( (sobj= jobj(item,"scriptSig")) != 0 )
{
if ( (scriptsig= jstr(sobj,"hex")) != 0 )
{
slen = (int32_t)strlen(scriptsig) >> 1;
if ( slen <= sizeof(scriptbuf) )
{
msgtx->vins[i].scriptlen = slen;
msgtx->vins[i].vinscript = scriptbuf;
decode_hex(scriptbuf,slen,scriptsig);
if ( (sigsize= scriptbuf[0]) >= 70 && sigsize < 76 )
{
memcpy(V[i].signers[0].sig,scriptbuf+1,sigsize-1);
V[i].signers[0].siglen = sigsize - 1;
V[i].hashtype = scriptbuf[1 + sigsize-1];
if ( scriptbuf[sigsize+1] == 33 )
{
memcpy(V[i].signers[0].pubkey,&scriptbuf[sigsize+2],33);
uint8_t rmd160[20]; char rmdstr[42];
calc_rmd160(rmdstr,rmd160,V[i].signers[0].pubkey,33);
printf("RMD160.%s\n",rmdstr);
}
} else printf("sigsize.%d unexpected\n",sigsize);
}
}
}
inputsum += V[i].amount;
if ( msgtx->vins[i].sequence < IGUANA_SEQUENCEID_FINAL )
finalized = 0;
}
sighash = LP_sighash(symbol,zcash);
complete = bitcoin_verifyvins(ctx,symbol,taddr,pubtype,p2shtype,isPoS,height,&signedtxid,&signedtx,msgtx,serialized2,maxsize,V,sighash,0,V[0].suppress_pubkeys,zcash);
msgtx->txid = signedtxid;
/*cJSON *log = cJSON_CreateArray();
if ( iguana_interpreter(ctx,log,0,V,numinputs) < 0 )
jaddstr(retjson,"error","interpreter rejects tx");
else complete = 1;
jadd(retjson,"interpreter",log);*/
jadd(retjson,"complete",complete!=0?jtrue():jfalse());
if ( signedtx != 0 )
free(signedtx);
free(V);
}
free(serialized), free(serialized2);
}
//char str[65]; printf("got txid.(%s)\n",bits256_str(str,txid));
}
msgtx->inputsum = inputsum;
msgtx->numinputs = numinputs;
msgtx->outputsum = outputsum;
msgtx->numoutputs = numoutputs;
msgtx->txfee = (inputsum - outputsum);
return(jprint(retjson,1));
}
void test_validate(struct iguana_info *coin,char *signedtx)
{
char *retstr; uint8_t extraspace[8192]; int32_t mempool=0; struct iguana_msgtx msgtx;
retstr = iguana_validaterawtx(bitcoin_ctx(),coin,&msgtx,extraspace,sizeof(extraspace),signedtx,mempool,0,coin->zcash);
printf("validate test.(%s)\n",retstr);
}
char *basilisk_swap_bobtxspend(bits256 *signedtxidp,uint64_t txfee,char *name,char *symbol,uint8_t wiftaddr,uint8_t taddr,uint8_t pubtype,uint8_t p2shtype,uint8_t isPoS,uint8_t wiftype,void *ctx,bits256 privkey,bits256 *privkey2p,uint8_t *redeemscript,int32_t redeemlen,uint8_t *userdata,int32_t userdatalen,bits256 utxotxid,int32_t utxovout,char *destaddr,uint8_t *pubkey33,int32_t finalseqid,uint32_t expiration,int64_t *destamountp,uint64_t satoshis,char *changeaddr,char *vinaddr,int32_t suppress_pubkeys,int32_t zcash)
{
char *rawtxbytes=0,*signedtx=0,tmpaddr[64],hexstr[999],wifstr[128],_destaddr[64]; uint8_t spendscript[512],addrtype,rmd160[20]; cJSON *txobj,*vins,*obj,*vouts,*item,*privkeys; int32_t completed,spendlen,n,ignore_cltverr=1; struct vin_info V[8]; uint32_t timestamp,locktime = 0,sequenceid = 0xffffffff * finalseqid; bits256 txid; uint64_t value=0,change = 0; struct iguana_msgtx msgtx; struct iguana_info *coin;
LP_mark_spent(symbol,utxotxid,utxovout);
*destamountp = 0;
memset(signedtxidp,0,sizeof(*signedtxidp));
if ( finalseqid == 0 )
locktime = expiration;
//printf("bobtxspend.%s redeem.[%d]\n",symbol,redeemlen);
if ( redeemlen < 0 )
return(0);
value = 0;
if ( (coin= LP_coinfind(symbol)) != 0 )
{
if ( coin->etomic[0] != 0 )
{
if ( (coin= LP_coinfind("ETOMIC")) == 0 )
return(0);
symbol = coin->symbol;
}
if ( txfee > 0 && txfee < coin->txfee )
txfee = coin->txfee;
#ifndef BASILISK_DISABLESENDTX
if ( (txobj= LP_gettx("basilisk_swap_bobtxspend",symbol,utxotxid,0)) != 0 )
{
if ( (vouts= jarray(&n,txobj,"vout")) != 0 && utxovout < n )
{
obj = jitem(vouts,utxovout);
value = LP_value_extract(obj,1,utxotxid);
//printf("value in vout.%d %.8f (%s)\n",vout,dstr(value),jprint(txobj,0));
}
free_json(txobj);
} else printf("cant gettx\n");
if ( value == 0 )
{
//printf("basilisk_swap_bobtxspend.%s %s utxo.(%s).v%d already spent or doesnt exist\n",name,symbol,bits256_str(str,utxotxid),utxovout);
return(0);
}
#endif
}
if ( txfee > 0 && txfee < LP_MIN_TXFEE )
txfee = LP_MIN_TXFEE;
if ( satoshis != 0 )
{
if ( value < satoshis+txfee )
{
if ( (value-satoshis) > 3*txfee/4 )
{
satoshis = value - 3*txfee/4;
printf("reduce satoshis %.8f by txfee %.8f to value %.8f\n",dstr(satoshis),dstr(txfee),dstr(value));
}
else if ( value == satoshis && (double)txfee/value < 0.25 )
{
satoshis = value - txfee;
//printf("txfee allocation from value %.8f identical to satoshis: %.8f txfee %.8f\n",dstr(value),dstr(satoshis),dstr(txfee));
}
else
{
printf("utxo %.8f too small for %.8f + %.8f\n",dstr(value),dstr(satoshis),dstr(txfee));
return(0);
}
}
if ( value > satoshis+txfee )
change = value - (satoshis + txfee);
//printf("utxo %.8f, destamount %.8f change %.8f txfee %.8f\n",dstr(value),dstr(satoshis),dstr(change),dstr(txfee));
} else if ( value > txfee )
satoshis = value - txfee;
else
{
printf("unexpected small value %.8f vs txfee %.8f\n",dstr(value),dstr(txfee));
change = 0;
satoshis = value >> 1;
txfee = (value - satoshis);
printf("unexpected small value %.8f vs txfee %.8f -> %.8f %.8f\n",dstr(value),dstr(txfee),dstr(satoshis),dstr(txfee));
}
if ( change < 6000 )
{
satoshis += change;
change = 0;
}
if ( destamountp != 0 )
*destamountp = satoshis;
timestamp = (uint32_t)time(NULL);
memset(V,0,sizeof(V));
privkeys = cJSON_CreateArray();
if ( privkey2p != 0 )
{
V[0].signers[1].privkey = *privkey2p;
bitcoin_pubkey33(ctx,V[0].signers[1].pubkey,*privkey2p);
bitcoin_priv2wif(symbol,wiftaddr,wifstr,*privkey2p,wiftype);
jaddistr(privkeys,wifstr);
V[0].N = V[0].M = 2;
} else V[0].N = V[0].M = 1;
V[0].signers[0].privkey = privkey;
bitcoin_pubkey33(ctx,V[0].signers[0].pubkey,privkey);
bitcoin_priv2wif(symbol,wiftaddr,wifstr,privkey,wiftype);
jaddistr(privkeys,wifstr);
V[0].suppress_pubkeys = suppress_pubkeys;
V[0].ignore_cltverr = ignore_cltverr;
if ( redeemlen != 0 )
memcpy(V[0].p2shscript,redeemscript,redeemlen), V[0].p2shlen = redeemlen;
txobj = bitcoin_txcreate(symbol,isPoS,locktime,coin->txversion,timestamp);
vins = cJSON_CreateArray();
item = cJSON_CreateObject();
if ( userdata != 0 && userdatalen > 0 )
{
memcpy(V[0].userdata,userdata,userdatalen);
V[0].userdatalen = userdatalen;
init_hexbytes_noT(hexstr,userdata,userdatalen);
jaddstr(item,"userdata",hexstr);
}
jaddbits256(item,"txid",utxotxid);
jaddnum(item,"vout",utxovout);
bitcoin_address(symbol,tmpaddr,taddr,pubtype,pubkey33,33);
bitcoin_addr2rmd160(symbol,taddr,&addrtype,rmd160,tmpaddr);
if ( redeemlen != 0 )
{
init_hexbytes_noT(hexstr,redeemscript,redeemlen);
jaddstr(item,"redeemScript",hexstr);
if ( vinaddr != 0 )
bitcoin_addr2rmd160(symbol,taddr,&addrtype,rmd160,vinaddr);
spendlen = bitcoin_p2shspend(spendscript,0,rmd160);
//printf("P2SH path.%s\n",vinaddr!=0?vinaddr:0);
} else spendlen = bitcoin_standardspend(spendscript,0,rmd160);
init_hexbytes_noT(hexstr,spendscript,spendlen);
jaddstr(item,"scriptPubKey",hexstr);
jaddnum(item,"suppress",suppress_pubkeys);
jaddnum(item,"sequence",sequenceid);
jaddi(vins,item);
jdelete(txobj,"vin");
jadd(txobj,"vin",vins);
if ( destaddr == 0 )
{
destaddr = _destaddr;
bitcoin_address(symbol,destaddr,taddr,pubtype,pubkey33,33);
}
bitcoin_addr2rmd160(symbol,taddr,&addrtype,rmd160,destaddr);
if ( addrtype == p2shtype )
spendlen = bitcoin_p2shspend(spendscript,0,rmd160);
else spendlen = bitcoin_standardspend(spendscript,0,rmd160);
if ( change != 0 && strcmp(changeaddr,destaddr) == 0 )
{
printf("combine change %.8f -> %s\n",dstr(change),changeaddr);
satoshis += change;
change = 0;
}
txobj = bitcoin_txoutput(txobj,spendscript,spendlen,satoshis);
if ( change != 0 )
{
int32_t changelen; uint8_t changescript[1024],changetype,changermd160[20];
bitcoin_addr2rmd160(symbol,taddr,&changetype,changermd160,changeaddr);
changelen = bitcoin_standardspend(changescript,0,changermd160);
txobj = bitcoin_txoutput(txobj,changescript,changelen,change);
}
if ( (rawtxbytes= bitcoin_json2hex(symbol,isPoS,&txid,txobj,V)) != 0 )
{
char str[65];
completed = 0;
memset(signedtxidp,0,sizeof(*signedtxidp));
//printf("locktime.%u sequenceid.%x rawtx.(%s) vins.(%s)\n",locktime,sequenceid,rawtxbytes,jprint(vins,0));
if ( (completed= iguana_signrawtransaction(ctx,symbol,wiftaddr,taddr,pubtype,p2shtype,isPoS,1000000,&msgtx,&signedtx,signedtxidp,V,1,rawtxbytes,vins,privkeys,zcash)) < 0 )
//if ( (signedtx= LP_signrawtx(symbol,signedtxidp,&completed,vins,rawtxbytes,privkeys,V)) == 0 )
printf("couldnt sign transaction.%s %s\n",name,bits256_str(str,*signedtxidp));
else if ( completed == 0 )
{
printf("incomplete signing suppress.%d %s (%s)\n",suppress_pubkeys,name,jprint(vins,0));
if ( signedtx != 0 )
free(signedtx), signedtx = 0;
} // else printf("basilisk_swap_bobtxspend %s -> %s\n",name,bits256_str(str,*signedtxidp));
free(rawtxbytes);
} else printf("error making rawtx suppress.%d\n",suppress_pubkeys);
free_json(privkeys);
free_json(txobj);
return(signedtx);
}
int32_t LP_vin_select(int32_t *aboveip,int64_t *abovep,int32_t *belowip,int64_t *belowp,struct LP_address_utxo **utxos,int32_t numunspents,uint64_t value,int32_t maxmode)
{
int32_t i,abovei,belowi; int64_t above,below,gap,atx_value;
abovei = belowi = -1;
for (above=below=i=0; i<numunspents; i++)
{
if ( utxos[i] == 0 )
continue;
if ( (atx_value= utxos[i]->U.value) <= 0 )
{
//printf("illegal value.%d\n",i);
continue;
}
if ( atx_value == value )
{
*aboveip = *belowip = i;
*abovep = *belowp = 0;
return(i);
}
else if ( atx_value > value )
{
gap = (atx_value - value);
if ( above == 0 || gap < above )
{
above = gap;
abovei = i;
}
}
else
{
gap = (value - atx_value);
if ( below == 0 || gap < below )
{
below = gap;
belowi = i;
}
}
//printf("value %.8f gap %.8f abovei.%d %.8f belowi.%d %.8f\n",dstr(value),dstr(gap),abovei,dstr(above),belowi,dstr(below));
}
*aboveip = abovei;
*abovep = above;
*belowip = belowi;
*belowp = below;
//printf("above.%d below.%d\n",abovei,belowi);
if ( abovei >= 0 && belowi >= 0 )
{
if ( above < (below >> 1) )
return(abovei);
else return(belowi);
}
else if ( abovei >= 0 )
return(abovei);
else return(belowi);
//return(abovei >= 0 && above < (below>>1) ? abovei : belowi);
}