bits256 bitcoin_randkey(secp256k1_context *ctx)
{
int32_t i; bits256 privkey;
SECP_ENSURE_CTX
{
for (i=0; i<100; i++)
{
privkey = rand256(0);
if ( secp256k1_ec_seckey_verify(ctx,privkey.bytes) > 0 )
{
ENDSECP_ENSURE_CTX
return(privkey);
}
}
ENDSECP_ENSURE_CTX
}
void dpow_statemachinestart(void *ptr)
{
void **ptrs = ptr;
struct supernet_info *myinfo; struct dpow_info *dp; struct dpow_checkpoint checkpoint;
int32_t i,j,ht,extralen,destprevvout0,srcprevvout0,numratified=0,kmdheight,myind = -1; uint8_t extras[10000],pubkeys[64][33]; cJSON *ratified=0,*item; struct iguana_info *src,*dest; char *jsonstr,*handle,*hexstr,str[65],str2[65],srcaddr[64],destaddr[64]; bits256 zero,srchash,destprevtxid0,srcprevtxid0; struct dpow_block *bp; struct dpow_entry *ep = 0; uint32_t duration,minsigs,starttime,srctime;
memset(&zero,0,sizeof(zero));
srcprevtxid0 = destprevtxid0 = zero;
srcprevvout0 = destprevvout0 = -1;
myinfo = ptrs[0];
dp = ptrs[1];
minsigs = (uint32_t)(long)ptrs[2];
duration = (uint32_t)(long)ptrs[3];
jsonstr = ptrs[4];
kmdheight = -1;
memcpy(&checkpoint,&ptrs[5],sizeof(checkpoint));
src = iguana_coinfind(dp->symbol);
dest = iguana_coinfind(dp->dest);
dpow_getchaintip(myinfo,&srchash,&srctime,dp->srctx,&dp->numsrctx,src);
dpow_getchaintip(myinfo,&srchash,&srctime,dp->desttx,&dp->numdesttx,dest);
if ( src == 0 || dest == 0 )
{
printf("null coin ptr? (%s %p or %s %p)\n",dp->symbol,src,dp->dest,dest);
return;
}
if ( strcmp(src->symbol,"KMD") == 0 )
kmdheight = checkpoint.blockhash.height;
else if ( strcmp(dest->symbol,"KMD") == 0 )
kmdheight = dest->longestchain;
if ( (bp= dp->blocks[checkpoint.blockhash.height]) == 0 )
{
bp = calloc(1,sizeof(*bp));
bp->minsigs = minsigs;
bp->duration = duration;
bp->srccoin = src;
bp->destcoin = dest;
bp->myind = -1;
bp->opret_symbol = dp->symbol;
if ( jsonstr != 0 && (ratified= cJSON_Parse(jsonstr)) != 0 )
{
bp->isratify = 1;
if ( (numratified= cJSON_GetArraySize(ratified)) > 0 )
{
if ( numratified > 64 )
{
fprintf(stderr,"cant ratify more than 64 notaries ratified has %d\n",numratified);
return;
}
for (i=0; i<numratified; i++)
{
item = jitem(ratified,i);
hexstr = handle = 0;
if ( (hexstr= jstr(item,"pubkey")) != 0 && is_hexstr(hexstr,0) == 66 )
{
decode_hex(bp->ratified_pubkeys[i],33,hexstr);
for (j=0; j<i; j++)
if ( memcmp(bp->ratified_pubkeys[j],bp->ratified_pubkeys[i],33) == 0 )
{
printf("ratification.%d is the same as %d, reject this donkey\n",j,i);
exit(-1);
}
if ( (handle= jstr(item,"handle")) != 0 )
safecopy(bp->handles[i],handle,sizeof(bp->handles[i]));
if ( i == 0 )
{
destprevtxid0 = jbits256(item,"destprevtxid0");
destprevvout0 = jint(item,"destprevvout0");
srcprevtxid0 = jbits256(item,"srcprevtxid0");
srcprevvout0 = jint(item,"srcprevvout0");
if ( bits256_nonz(destprevtxid0) != 0 && bits256_nonz(srcprevtxid0) != 0 )
bp->require0 = 1;
}
}
else
{
printf("break loop hexstr.%p handle.%p\n",hexstr,handle);
break;
}
}
if ( i == numratified )
{
bp->numratified = numratified;
bp->ratified = ratified;
printf("numratified.%d %s\n",numratified,jprint(ratified,0));
}
else
{
printf("i.%d numratified.%d\n",i,numratified);
free_json(ratified);
}
}
}
bp->bestk = -1;
dp->blocks[checkpoint.blockhash.height] = bp;
bp->beacon = rand256(0);
vcalc_sha256(0,bp->commit.bytes,bp->beacon.bytes,sizeof(bp->beacon));
/*if ( checkpoint.blockhash.height >= DPOW_FIRSTRATIFY && dp->blocks[checkpoint.blockhash.height - DPOW_FIRSTRATIFY] != 0 )
{
printf("purge %s.%d\n",dp->dest,checkpoint.blockhash.height - DPOW_FIRSTRATIFY);
free(dp->blocks[checkpoint.blockhash.height - DPOW_FIRSTRATIFY]);
dp->blocks[checkpoint.blockhash.height - DPOW_FIRSTRATIFY] = 0;
}*/
}
if ( bp->isratify != 0 && dp->ratifying != 0 )
{
printf("new ratification starting dp->ratifying.%d\n",dp->ratifying);
dp->ratifying++;
while ( dp->ratifying > 1 )
sleep(3);
printf("other ratifications stopped\n");
}
if ( dp->ratifying != 0 && bp->isratify == 0 )
{
printf("skip notarization ht.%d when ratifying\n",bp->height);
free(ptr);
return;
}
dp->ratifying += bp->isratify;
bitcoin_address(srcaddr,src->chain->pubtype,dp->minerkey33,33);
bitcoin_address(destaddr,dest->chain->pubtype,dp->minerkey33,33);
if ( kmdheight >= 0 )
{
ht = kmdheight;///strcmp("KMD",src->symbol) == 0 ? kmdheight : bp->height;
if ( strcmp("KMD",dest->symbol) == 0 )
{
bp->numnotaries = komodo_notaries(dest->symbol,pubkeys,ht);
}
else
{
if ( ht == 0 )
ht = strcmp("KMD",src->symbol) == 0 ? src->longestchain : dest->longestchain;
bp->numnotaries = komodo_notaries(src->symbol,pubkeys,ht);
}
for (i=0; i<bp->numnotaries; i++)
{
//int32_t j; for (j=0; j<33; j++)
// printf("%02x",pubkeys[i][j]);
//printf(" <= pubkey[%d]\n",i);
memcpy(bp->notaries[i].pubkey,pubkeys[i],33);
if ( strcmp("KMD",src->symbol) == 0 )
memcpy(myinfo->notaries[i],pubkeys[i],33);
if ( memcmp(bp->notaries[i].pubkey,dp->minerkey33,33) == 0 )
{
myind = i;
ep = &bp->notaries[myind];
for (j=0; j<33; j++)
printf("%02x",dp->minerkey33[j]);
printf(" MYIND.%d <<<<<<<<<<<<<<<<<<<<<<\n",myind);
}
}
if ( strcmp("KMD",src->symbol) == 0 )
myinfo->numnotaries = bp->numnotaries;
if ( myind < 0 || ep == 0 )
{
printf("minerkey33-> ");
for (i=0; i<33; i++)
printf("%02x",dp->minerkey33[i]);
printf(" statemachinestart this node %s %s is not official notary numnotaries.%d kmdht.%d bpht.%d\n",srcaddr,destaddr,bp->numnotaries,kmdheight,bp->height);
free(ptr);
dp->ratifying -= bp->isratify;
return;
}
printf("myind.%d\n",myind);
}
else
{
printf("statemachinestart no kmdheight.%d\n",kmdheight);
free(ptr);
dp->ratifying -= bp->isratify;
return;
}
bp->myind = myind;
printf("[%d] notarize %s->%s %s ht.%d minsigs.%d duration.%d start.%u\n",bp->myind,dp->symbol,dp->dest,bits256_str(str,checkpoint.blockhash.hash),checkpoint.blockhash.height,minsigs,duration,checkpoint.timestamp);
if ( bp->isratify != 0 && memcmp(bp->notaries[0].pubkey,bp->ratified_pubkeys[0],33) != 0 )
{
for (i=0; i<33; i++)
printf("%02x",bp->notaries[0].pubkey[i]);
printf(" current vs ");
for (i=0; i<33; i++)
printf("%02x",bp->ratified_pubkeys[0][i]);
printf(" new, cant change notary0\n");
dp->ratifying -= bp->isratify;
return;
}
//printf(" myind.%d myaddr.(%s %s)\n",myind,srcaddr,destaddr);
if ( myind == 0 && bits256_nonz(destprevtxid0) != 0 && bits256_nonz(srcprevtxid0) != 0 && destprevvout0 >= 0 && srcprevvout0 >= 0 )
{
ep->dest.prev_hash = destprevtxid0;
ep->dest.prev_vout = destprevvout0;
ep->src.prev_hash = srcprevtxid0;
ep->src.prev_vout = srcprevvout0;
bp->notaries[myind].ratifysrcutxo = srcprevtxid0;
bp->notaries[myind].ratifysrcvout = srcprevvout0;
bp->notaries[myind].ratifydestutxo = destprevtxid0;
bp->notaries[myind].ratifydestvout = destprevvout0;
printf("Use override utxo %s/v%d %s/v%d\n",bits256_str(str,destprevtxid0),destprevvout0,bits256_str(str2,srcprevtxid0),srcprevvout0);
}
else
{
if ( dpow_checkutxo(myinfo,dp,bp,bp->destcoin,&ep->dest.prev_hash,&ep->dest.prev_vout,destaddr) < 0 )
{
printf("dont have %s %s utxo, please send funds\n",dp->dest,destaddr);
free(ptr);
dp->ratifying -= bp->isratify;
return;
}
if ( dpow_checkutxo(myinfo,dp,bp,bp->srccoin,&ep->src.prev_hash,&ep->src.prev_vout,srcaddr) < 0 )
{
printf("dont have %s %s utxo, please send funds\n",dp->symbol,srcaddr);
free(ptr);
dp->ratifying -= bp->isratify;
return;
}
if ( bp->isratify != 0 )
{
bp->notaries[myind].ratifysrcutxo = ep->src.prev_hash;
bp->notaries[myind].ratifysrcvout = ep->src.prev_vout;
bp->notaries[myind].ratifydestutxo = ep->dest.prev_hash;
bp->notaries[myind].ratifydestvout = ep->dest.prev_vout;
}
}
bp->recvmask |= (1LL << myind);
bp->notaries[myind].othermask |= (1LL << myind);
dp->checkpoint = checkpoint;
bp->height = checkpoint.blockhash.height;
bp->timestamp = checkpoint.timestamp;
bp->hashmsg = checkpoint.blockhash.hash;
bp->myind = myind;
while ( bp->isratify == 0 && dp->destupdated == 0 )
{
if ( dp->checkpoint.blockhash.height > checkpoint.blockhash.height )
{
printf("abort %s ht.%d due to new checkpoint.%d\n",dp->symbol,checkpoint.blockhash.height,dp->checkpoint.blockhash.height);
dp->ratifying -= bp->isratify;
return;
}
sleep(1);
}
starttime = (uint32_t)time(NULL);
if ( bp->isratify == 0 )
{
//if ( (starttime= checkpoint.timestamp) == 0 )
bp->starttime = starttime;
extralen = dpow_paxpending(extras,&bp->paxwdcrc);
bp->notaries[bp->myind].paxwdcrc = bp->paxwdcrc;
}
printf("PAXWDCRC.%x myind.%d isratify.%d DPOW.%s statemachine checkpoint.%d %s start.%u+dur.%d vs %ld\n",bp->paxwdcrc,bp->myind,bp->isratify,src->symbol,checkpoint.blockhash.height,bits256_str(str,checkpoint.blockhash.hash),starttime,bp->duration,time(NULL));
for (i=0; i<sizeof(srchash); i++)
srchash.bytes[i] = dp->minerkey33[i+1];
//printf("start utxosync start.%u %u\n",starttime,(uint32_t)time(NULL));
//dpow_utxosync(myinfo,dp,bp,0,myind,srchash);
//printf("done utxosync start.%u %u\n",starttime,(uint32_t)time(NULL));
while ( time(NULL) < starttime+bp->duration && src != 0 && dest != 0 && bp->state != 0xffffffff )
{
if ( bp->isratify == 0 )
{
if ( myinfo->DPOWS[0].ratifying != 0 )
{
printf("break due to already ratifying\n");
break;
}
extralen = dpow_paxpending(extras,&bp->paxwdcrc);
bp->notaries[bp->myind].paxwdcrc = bp->paxwdcrc;
}
sleep(13);
if ( dp->checkpoint.blockhash.height > checkpoint.blockhash.height )
{
if ( bp->isratify == 0 )
{
printf("abort %s ht.%d due to new checkpoint.%d\n",dp->symbol,checkpoint.blockhash.height,dp->checkpoint.blockhash.height);
break;
}
}
if ( dp->ratifying > 1 )
{
printf("new ratification started. abort ht.%d\n",bp->height);
break;
}
if ( bp->isratify == 0 )
{
bits256 checkhash;
checkhash = dpow_getblockhash(myinfo,bp->srccoin,bp->height);
if ( bits256_cmp(checkhash,bp->hashmsg) != 0 )
{
printf("%s ht.%d %s got reorged to %s, abort notarization\n",bp->srccoin->symbol,bp->height,bits256_str(str,bp->hashmsg),bits256_str(str2,checkhash));
bp->state = 0xffffffff;
}
}
if ( bp->state != 0xffffffff )
{
dpow_send(myinfo,dp,bp,srchash,bp->hashmsg,0,bp->height,(void *)"ping",0);
dpow_nanomsg_update(myinfo);
}
else
{
dp->lastnotarized = checkpoint.blockhash.hash;
printf("notarized %s %s\n",dp->symbol,bits256_str(str,checkpoint.blockhash.hash));
}
if ( 0 && dp->cancelratify != 0 && bp->isratify != 0 )
{
printf("abort pending ratify\n");
break;
}
}
printf("END isratify.%d:%d bestk.%d %llx sigs.%llx state.%x machine ht.%d completed state.%x %s.%s %s.%s recvmask.%llx paxwdcrc.%x %p %p\n",bp->isratify,dp->ratifying,bp->bestk,(long long)bp->bestmask,(long long)(bp->bestk>=0?bp->destsigsmasks[bp->bestk]:0),bp->state,bp->height,bp->state,dp->dest,bits256_str(str,bp->desttxid),dp->symbol,bits256_str(str2,bp->srctxid),(long long)bp->recvmask,bp->paxwdcrc,src,dest);
bp->state = 0xffffffff;
dp->lastrecvmask = bp->recvmask;
dp->ratifying -= bp->isratify;
dp->blocks[bp->height] = 0;
free(ptr);
}
sf::Color getRandomColor()
{
sf::Color randColor(rand256(), rand256(), rand256());
return randColor;
}
