You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
441 lines
18 KiB
441 lines
18 KiB
/******************************************************************************
|
|
* Copyright © 2014-2016 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. *
|
|
* *
|
|
******************************************************************************/
|
|
|
|
struct dpow_entry *dpow_notaryfind(struct supernet_info *myinfo,struct dpow_block *bp,int32_t height,int32_t *senderindp,uint8_t *senderpub)
|
|
{
|
|
int32_t i;
|
|
*senderindp = -1;
|
|
for (i=0; i<bp->numnotaries; i++)
|
|
{
|
|
if ( memcmp(bp->notaries[i].pubkey,senderpub,33) == 0 )
|
|
{
|
|
//printf("matches notary.%d\n",i);
|
|
*senderindp = i;
|
|
return(&bp->notaries[i]);
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
void dpow_utxo2entry(struct dpow_block *bp,struct dpow_entry *ep,struct dpow_utxoentry *up)
|
|
{
|
|
int32_t i;
|
|
for (i=0; i<bp->numnotaries; i++)
|
|
bp->notaries[i].othermask |= up->othermasks[i];
|
|
ep->commit = up->commit;
|
|
ep->height = up->height;
|
|
ep->recvmask = up->recvmask;
|
|
ep->bestk = up->bestk;
|
|
ep->src.prev_hash = up->srchash;
|
|
ep->dest.prev_hash = up->desthash;
|
|
ep->src.prev_vout = up->srcvout;
|
|
ep->dest.prev_vout = up->destvout;
|
|
}
|
|
|
|
void dpow_entry2utxo(struct dpow_utxoentry *up,struct dpow_block *bp,struct dpow_entry *ep)
|
|
{
|
|
int32_t i;
|
|
up->commit = bp->commit;
|
|
up->hashmsg = bp->hashmsg;
|
|
up->height = bp->height;
|
|
up->recvmask = bp->recvmask;
|
|
up->bestk = bp->bestk;
|
|
for (i=0; i<bp->numnotaries; i++)
|
|
up->othermasks[i] = bp->notaries[i].recvmask;
|
|
for (i=0; i<33; i++)
|
|
up->pubkey[i] = ep->pubkey[i];
|
|
up->commit = ep->commit;
|
|
up->height = ep->height;
|
|
up->recvmask = ep->recvmask;
|
|
up->bestk = ep->bestk;
|
|
up->srchash = ep->src.prev_hash;
|
|
up->desthash = ep->dest.prev_hash;
|
|
up->srcvout = ep->src.prev_vout;
|
|
up->destvout = ep->dest.prev_vout;
|
|
}
|
|
|
|
int32_t dpow_datahandler(struct supernet_info *myinfo,struct dpow_info *dp,struct dpow_block *bp,uint8_t nn_senderind,uint32_t channel,uint32_t height,uint8_t *data,int32_t datalen)
|
|
{
|
|
int32_t i,src_or_dest,myind = -1; bits256 txid,srchash; struct iguana_info *coin; char str[65],str2[65];
|
|
dpow_notaryfind(myinfo,bp,height,&myind,dp->minerkey33);
|
|
if ( myind < 0 )
|
|
{
|
|
//printf("couldnt find myind height.%d | this means your pubkey for this node is not registered and needs to be ratified by majority vote of all notaries\n",height);
|
|
return(-1);
|
|
}
|
|
for (i=0; i<32; i++)
|
|
srchash.bytes[i] = dp->minerkey33[i+1];
|
|
if ( channel == DPOW_TXIDCHANNEL || channel == DPOW_BTCTXIDCHANNEL )
|
|
{
|
|
src_or_dest = (channel == DPOW_BTCTXIDCHANNEL);
|
|
coin = (src_or_dest != 0) ? bp->destcoin : bp->srccoin;
|
|
//printf("bp.%p datalen.%d\n",bp,datalen);
|
|
for (i=0; i<32; i++)
|
|
srchash.bytes[i] = data[i];
|
|
txid = bits256_doublesha256(0,&data[32],datalen-32);
|
|
init_hexbytes_noT(bp->signedtx,&data[32],datalen-32);
|
|
if ( bits256_cmp(txid,srchash) == 0 )
|
|
{
|
|
//printf("verify (%s) it is properly signed! set ht.%d signedtxid to %s\n",coin->symbol,height,bits256_str(str,txid));
|
|
if ( src_or_dest != 0 )
|
|
{
|
|
if ( bp->state < 1000 )
|
|
{
|
|
bp->desttxid = txid;
|
|
bp->state = 1000;
|
|
dp->destupdated = 0;
|
|
dpow_signedtxgen(myinfo,dp,bp->srccoin,bp,bp->bestk,bp->bestmask,myind,DPOW_SIGCHANNEL,0,bp->isratify);
|
|
//dpow_sigscheck(myinfo,dp,bp,DPOW_SIGCHANNEL,myind,0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( bp->state != 0xffffffff )
|
|
{
|
|
bp->srctxid = txid;
|
|
printf("set state elapsed %d COMPLETED %s.(%s) %s.(%s)\n",(int32_t)(time(NULL) - bp->starttime),dp->symbol,bits256_str(str,bp->desttxid),dp->dest,bits256_str(str2,txid));
|
|
bp->state = 0xffffffff;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
init_hexbytes_noT(bp->signedtx,data,datalen);
|
|
printf("txidchannel txid %s mismatch %s (%s)\n",bits256_str(str,txid),bits256_str(str2,srchash),bp->signedtx);
|
|
bp->signedtx[0] = 0;
|
|
}
|
|
} //else printf("unhandled channel.%x\n",channel);
|
|
return(0);
|
|
}
|
|
|
|
int32_t dpow_checkutxo(struct supernet_info *myinfo,struct dpow_info *dp,struct dpow_block *bp,struct iguana_info *coin,bits256 *txidp,int32_t *voutp,char *coinaddr)
|
|
{
|
|
int32_t haveutxo,completed,minutxo,n; bits256 signedtxid; cJSON *addresses; char *rawtx,*sendtx;
|
|
if ( strcmp("BTC",coin->symbol) == 0 )
|
|
{
|
|
minutxo = 9;
|
|
n = 50;
|
|
}
|
|
else
|
|
{
|
|
minutxo = 49;
|
|
n = 10;
|
|
}
|
|
if ( (haveutxo= dpow_haveutxo(myinfo,coin,txidp,voutp,coinaddr)) <= minutxo && time(NULL) > dp->lastsplit+bp->duration && (bp->myind != 0 || dp->ratifying == 0) )
|
|
{
|
|
addresses = cJSON_CreateArray();
|
|
jaddistr(addresses,coinaddr);
|
|
if ( (rawtx= iguana_utxoduplicates(myinfo,coin,dp->minerkey33,DPOW_UTXOSIZE,n,&completed,&signedtxid,0,addresses)) != 0 )
|
|
{
|
|
if ( (sendtx= dpow_sendrawtransaction(myinfo,coin,rawtx)) != 0 )
|
|
{
|
|
printf("sendrawtransaction.(%s)\n",sendtx);
|
|
free(sendtx);
|
|
}
|
|
free(rawtx);
|
|
}
|
|
free_json(addresses);
|
|
dp->lastsplit = (uint32_t)time(NULL);
|
|
}
|
|
if ( bits256_nonz(*txidp) == 0 )
|
|
return(-1);
|
|
return(haveutxo);
|
|
}
|
|
|
|
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,destprevvout0,srcprevvout0,numratified=0,kmdheight,myind = -1; uint8_t 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 ( 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 ( 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] statemachinestart %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);
|
|
}
|
|
if ( bp->isratify == 0 || (starttime= checkpoint.timestamp) == 0 )
|
|
bp->starttime = starttime = (uint32_t)time(NULL);
|
|
printf("myind.%d isratify.%d DPOW.%s statemachine checkpoint.%d %s start.%u\n",bp->myind,bp->isratify,src->symbol,checkpoint.blockhash.height,bits256_str(str,checkpoint.blockhash.hash),checkpoint.timestamp);
|
|
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 && myinfo->DPOWS[0].ratifying != 0 )
|
|
break;
|
|
sleep(1);
|
|
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);
|
|
}
|
|
if ( 0 && dp->cancelratify != 0 && bp->isratify != 0 )
|
|
{
|
|
printf("abort pending ratify\n");
|
|
break;
|
|
}
|
|
}
|
|
printf("isratify.%d bestk.%d %llx sigs.%llx state machine ht.%d completed state.%x %s.%s %s.%s recvmask.%llx\n",bp->isratify,bp->bestk,(long long)bp->bestmask,(long long)(bp->bestk>=0?bp->destsigsmasks[bp->bestk]:0),bp->height,bp->state,dp->dest,bits256_str(str,bp->desttxid),dp->symbol,bits256_str(str2,bp->srctxid),(long long)bp->recvmask);
|
|
dp->lastrecvmask = bp->recvmask;
|
|
dp->ratifying -= bp->isratify;
|
|
free(ptr);
|
|
}
|
|
|
|
|