Example #1
0
bits256 SuperNET_wallet2shared(bits256 wallethash,bits256 wallet2priv)
{
    bits256 wallet2shared,seed,wallet2pub;
    wallet2pub = curve25519(wallet2priv,curve25519_basepoint9());
    seed = curve25519_shared(wallethash,wallet2pub);
    vcalc_sha256(0,wallet2shared.bytes,seed.bytes,sizeof(bits256));
    return(wallet2shared);
}
Example #2
0
uint32_t basilisk_calcnonce(struct supernet_info *myinfo,uint8_t *data,int32_t datalen,uint32_t nBits)
{
    int32_t i,numiters = 0; bits256 hash,hash2,threshold; uint32_t basilisktag;
    vcalc_sha256(0,hash.bytes,data,datalen);
    if ( nBits >= GECKO_EASIESTDIFF )
        threshold = bits256_from_compact(GECKO_EASIESTDIFF);
    else threshold = bits256_from_compact(nBits);
    for (i=0; i<numiters; i++)
    {
        //OS_randombytes((void *)hash.uints,sizeof(basilisktag));
        hash.uints[0] = rand();
        vcalc_sha256(0,hash2.bytes,hash.bytes,sizeof(hash));
        if ( bits256_cmp(threshold,hash2) > 0 )
            break;
    }
    iguana_rwnum(0,(void *)hash.uints,sizeof(basilisktag),&basilisktag);
    iguana_rwnum(1,&data[-sizeof(basilisktag)],sizeof(basilisktag),&basilisktag);
    char str[65],str2[65]; printf("found hash after numiters.%d %s vs %s basilisktag.%u\n",numiters,bits256_str(str,threshold),bits256_str(str2,hash2),basilisktag);
    return(basilisktag);
}
Example #3
0
bits256 SuperNET_wallet2priv(char *wallet2fname,bits256 wallethash)
{
    char *wallet2str;
    uint32_t r,i,crc;
    long allocsize;
    bits256 wallet2priv;
    wallet2priv = GENESIS_PRIVKEY;
    if ( wallet2fname[0] != 0 && (wallet2str= OS_filestr(&allocsize,wallet2fname)) != 0 )
    {
        r = crc = calc_crc32(0,wallet2str,(int32_t)allocsize);
        r %= 32;
        for (i=0; i<allocsize; i++)
            wallet2str[i] ^= wallethash.bytes[(i + r) % 32];
        vcalc_sha256(0,wallet2priv.bytes,(void *)wallet2str,(int32_t)allocsize);
        free(wallet2str);
        //char str[65]; printf("wallet2priv.(%s) from.(%s) crc.%u and passphrase r.%d len.%ld\n",bits256_str(str,wallet2priv),wallet2fname,crc,r,allocsize);
    } else if ( wallet2fname[0] != 0 )
        printf("SuperNET_wallet2priv cant open (%s)\n",wallet2fname);
    return(wallet2priv);
}
Example #4
0
int32_t SuperNET_hexmsgfind(struct supernet_info *myinfo,bits256 category,bits256 subhash,char *hexmsg,int32_t addflag)
{
    static int lastpurge; static uint64_t Packetcache[1024];
    bits256 packethash; int32_t i,datalen;
    datalen = (int32_t)strlen(hexmsg) + 1;
    vcalc_sha256(0,packethash.bytes,(void *)hexmsg,datalen);
    if ( bits256_nonz(category) == 0 )
        category = GENESIS_PUBKEY;
    if ( bits256_nonz(subhash) == 0 )
        subhash = GENESIS_PUBKEY;
    packethash = curve25519(category,packethash);
    //printf("addflag.%d packethash.%llx dest.%llx\n",addflag,(long long)packethash.txid,(long long)category.txid);
    for (i=0; i<sizeof(Packetcache)/sizeof(*Packetcache); i++)
    {
        if ( Packetcache[i] == 0 )
        {
            if ( addflag != 0 )
            {
                Packetcache[i] = packethash.txid;
                //printf("add.%llx packetcache(%s) -> slot[%d]\n",(long long)packethash.txid,hexmsg,i);
            }
            break;
        }
        else if ( Packetcache[i] == packethash.txid )
        {
            printf("SuperNET_DHTsend reject duplicate packet.%llx\n",(long long)packethash.txid);
            return(i);
        }
    }
    if ( i == sizeof(Packetcache)/sizeof(*Packetcache) )
    {
        if ( addflag != 0 )
        {
            printf("purge slot[%d]\n",lastpurge);
            Packetcache[lastpurge++] = packethash.txid;
            if ( lastpurge >= sizeof(Packetcache)/sizeof(*Packetcache) )
                lastpurge = 0;
        }
    }
    return(-1);
}
Example #5
0
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);
}