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1179 lines
51 KiB
1179 lines
51 KiB
/******************************************************************************
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* Copyright © 2014-2016 The SuperNET Developers. *
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* *
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* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
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* the top-level directory of this distribution for the individual copyright *
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* holder information and the developer policies on copyright and licensing. *
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* *
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* Unless otherwise agreed in a custom licensing agreement, no part of the *
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* SuperNET software, including this file may be copied, modified, propagated *
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* or distributed except according to the terms contained in the LICENSE file *
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* *
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* Removal or modification of this copyright notice is prohibited. *
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* *
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******************************************************************************/
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#include "iguana777.h"
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// peer context, ie massively multithreaded -> bundlesQ
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struct iguana_bundlereq *iguana_bundlereq(struct iguana_info *coin,struct iguana_peer *addr,int32_t type,int32_t datalen)
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{
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struct iguana_bundlereq *req; int32_t allocsize;
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allocsize = (uint32_t)sizeof(*req) + datalen;
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req = mycalloc(type,1,allocsize);
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req->allocsize = allocsize;
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req->datalen = datalen;
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req->addr = addr;
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req->coin = coin;
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req->type = type;
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return(req);
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}
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int32_t iguana_sendblockreqPT(struct iguana_info *coin,struct iguana_peer *addr,struct iguana_bundle *bp,int32_t bundlei,bits256 hash2,int32_t iamthreadsafe)
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{
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static bits256 lastreq,lastreq2;
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int32_t len; uint8_t serialized[sizeof(struct iguana_msghdr) + sizeof(uint32_t)*32 + sizeof(bits256)];
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char hexstr[65]; init_hexbytes_noT(hexstr,hash2.bytes,sizeof(hash2));
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if ( addr == 0 || memcmp(lastreq.bytes,hash2.bytes,sizeof(hash2)) == 0 || memcmp(lastreq2.bytes,hash2.bytes,sizeof(hash2)) == 0 )
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{
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printf("duplicate req %s or null addr.%p\n",bits256_str(hexstr,hash2),addr);
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return(0);
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}
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if ( addr->msgcounts.verack == 0 )
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{
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printf("iguana_sendblockreq %s hasn't verack'ed yet\n",addr->ipaddr);
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return(-1);
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}
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lastreq2 = lastreq;
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lastreq = hash2;
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if ( (len= iguana_getdata(coin,serialized,MSG_BLOCK,hexstr)) > 0 )
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{
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iguana_send(coin,addr,serialized,len);
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coin->numreqsent++;
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addr->pendblocks++;
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addr->pendtime = (uint32_t)time(NULL);
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//printf("REQ.%s bundlei.%d hdrsi.%d\n",bits256_str(hexstr,hash2),bundlei,bp!=0?bp->hdrsi:-1);
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} else printf("MSG_BLOCK null datalen.%d\n",len);
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return(len);
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}
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int32_t iguana_sendtxidreq(struct iguana_info *coin,struct iguana_peer *addr,bits256 hash2)
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{
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uint8_t serialized[sizeof(struct iguana_msghdr) + sizeof(uint32_t)*32 + sizeof(bits256)];
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int32_t len,i,r,j; char hexstr[65]; init_hexbytes_noT(hexstr,hash2.bytes,sizeof(hash2));
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if ( (len= iguana_getdata(coin,serialized,MSG_TX,hexstr)) > 0 )
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{
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if ( addr == 0 )
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{
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r = rand();
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for (i=0; i<coin->MAXPEERS; i++)
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{
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j = (i + r) % coin->MAXPEERS;
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addr = &coin->peers.active[j];
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if ( coin->peers.active[j].usock >= 0 && coin->peers.active[j].dead == 0 )
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{
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iguana_send(coin,addr,serialized,len);
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break;
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}
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}
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} else iguana_send(coin,addr,serialized,len);
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} else printf("MSG_TX null datalen.%d\n",len);
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printf("send MSG_TX.%d\n",len);
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return(len);
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}
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int32_t iguana_txidreq(struct iguana_info *coin,char **retstrp,bits256 txid)
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{
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int32_t i;
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while ( coin->numreqtxids >= sizeof(coin->reqtxids)/sizeof(*coin->reqtxids) )
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{
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printf("txidreq full, wait\n");
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sleep(1);
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}
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char str[65]; printf("txidreq.%s\n",bits256_str(str,txid));
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coin->reqtxids[coin->numreqtxids++] = txid;
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for (i=0; i<coin->MAXPEERS; i++)
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if ( coin->peers.active[i].usock >= 0 )
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iguana_sendtxidreq(coin,coin->peers.ranked[i],txid);
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return(0);
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}
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void iguana_gotunconfirmedM(struct iguana_info *coin,struct iguana_peer *addr,struct iguana_msgtx *tx,uint8_t *data,int32_t datalen)
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{
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struct iguana_bundlereq *req;
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char str[65]; printf("%s unconfirmed.%s\n",addr->ipaddr,bits256_str(str,tx->txid));
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req = iguana_bundlereq(coin,addr,'U',datalen);
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req->datalen = datalen;
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req->txid = tx->txid;
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memcpy(req->serialized,data,datalen);
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queue_enqueue("bundlesQ",&coin->bundlesQ,&req->DL,0);
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}
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void iguana_gotblockM(struct iguana_info *coin,struct iguana_peer *addr,struct iguana_txblock *origtxdata,struct iguana_msgtx *txarray,struct iguana_msghdr *H,uint8_t *data,int32_t recvlen)
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{
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struct iguana_bundlereq *req; struct iguana_txblock *txdata = 0; int32_t i,j,bundlei,copyflag; char fname[1024];
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struct iguana_bundle *bp;
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if ( 0 )
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{
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for (i=0; i<txdata->space[0]; i++)
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if ( txdata->space[i] != 0 )
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break;
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if ( i != txdata->space[0] )
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{
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for (i=0; i<txdata->space[0]; i++)
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printf("%02x ",txdata->space[i]);
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printf("extra\n");
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}
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}
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if ( coin->numreqtxids > 0 )
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{
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for (i=0; i<origtxdata->block.RO.txn_count; i++)
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{
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for (j=0; j<coin->numreqtxids; j++)
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{
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if ( memcmp(coin->reqtxids[j].bytes,txarray[i].txid.bytes,sizeof(bits256)) == 0 )
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{
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char str[65]; printf("i.%d j.%d found txid.%s\n",i,j,bits256_str(str,coin->reqtxids[j]));
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}
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}
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}
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}
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copyflag = 0 * (strcmp(coin->symbol,"BTC") != 0);
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req = iguana_bundlereq(coin,addr,'B',copyflag * recvlen);
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req->recvlen = recvlen;
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req->H = *H;
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bp = 0, bundlei = -2;
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if ( copyflag != 0 && recvlen != 0 && ((bp= iguana_bundlefind(coin,&bp,&bundlei,origtxdata->block.RO.hash2)) == 0 || (bp->blocks[bundlei] != 0 && bp->blocks[bundlei]->fpipbits == 0)) )
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{
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//printf("copy %p serialized[%d]\n",req,req->recvlen);
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memcpy(req->serialized,data,recvlen), req->copyflag = 1;
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}
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if ( bits256_cmp(origtxdata->block.RO.hash2,coin->APIblockhash) == 0 )
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{
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printf("MATCHED APIblockhash\n");
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coin->APIblockstr = calloc(1,recvlen*2+1);
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init_hexbytes_noT(coin->APIblockstr,data,recvlen);
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}
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txdata = origtxdata;
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if ( addr != 0 )
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{
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if ( addr->pendblocks > 0 )
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addr->pendblocks--;
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addr->lastblockrecv = (uint32_t)time(NULL);
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addr->recvblocks += 1.;
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addr->recvtotal += recvlen;
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if ( iguana_ramchain_data(coin,addr,origtxdata,txarray,origtxdata->block.RO.txn_count,data,recvlen) >= 0 )
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{
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txdata->block.fpipbits = (uint32_t)addr->ipbits;
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req->datalen = txdata->datalen;
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req->ipbits = txdata->block.fpipbits;
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if ( 0 )
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{
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struct iguana_txblock *checktxdata; struct OS_memspace checkmem; int32_t checkbundlei;
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memset(&checkmem,0,sizeof(checkmem));
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iguana_meminit(&checkmem,"checkmem",0,txdata->datalen + 4096,0);
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if ( (checktxdata= iguana_peertxdata(coin,&checkbundlei,fname,&checkmem,(uint32_t)addr->ipbits,txdata->block.RO.hash2)) != 0 )
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{
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printf("check datalen.%d bundlei.%d T.%d U.%d S.%d P.%d X.%d\n",checktxdata->datalen,checkbundlei,checktxdata->numtxids,checktxdata->numunspents,checktxdata->numspends,checktxdata->numpkinds,checktxdata->numexternaltxids);
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}
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iguana_mempurge(&checkmem);
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}
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}
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}
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//printf("recvlen.%d\n",req->recvlen);
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req->block = txdata->block;
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req->block.RO.txn_count = req->numtx = txdata->block.RO.txn_count;
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coin->recvcount++;
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coin->recvtime = (uint32_t)time(NULL);
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req->addr = addr;
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queue_enqueue("bundlesQ",&coin->bundlesQ,&req->DL,0);
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}
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void iguana_gottxidsM(struct iguana_info *coin,struct iguana_peer *addr,bits256 *txids,int32_t n)
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{
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struct iguana_bundlereq *req;
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//printf("got %d txids from %s\n",n,addr->ipaddr);
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req = iguana_bundlereq(coin,addr,'T',0);
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req->hashes = txids, req->n = n;
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queue_enqueue("bundlesQ",&coin->bundlesQ,&req->DL,0);
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}
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void iguana_gotheadersM(struct iguana_info *coin,struct iguana_peer *addr,struct iguana_block *blocks,int32_t n)
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{
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struct iguana_bundlereq *req;
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if ( addr != 0 )
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{
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addr->recvhdrs++;
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if ( addr->pendhdrs > 0 )
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addr->pendhdrs--;
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//printf("%s blocks[%d] ht.%d gotheaders pend.%d %.0f\n",addr->ipaddr,n,blocks[0].height,addr->pendhdrs,milliseconds());
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}
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req = iguana_bundlereq(coin,addr,'H',0);
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req->blocks = blocks, req->n = n;
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queue_enqueue("bundlesQ",&coin->bundlesQ,&req->DL,0);
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}
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void iguana_gotblockhashesM(struct iguana_info *coin,struct iguana_peer *addr,bits256 *blockhashes,int32_t n)
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{
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struct iguana_bundlereq *req;
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if ( addr != 0 )
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{
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addr->recvhdrs++;
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if ( addr->pendhdrs > 0 )
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addr->pendhdrs--;
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}
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req = iguana_bundlereq(coin,addr,'S',0);
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req->hashes = blockhashes, req->n = n;
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//printf("bundlesQ blockhashes.%p[%d]\n",blockhashes,n);
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queue_enqueue("bundlesQ",&coin->bundlesQ,&req->DL,0);
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}
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void iguana_patch(struct iguana_info *coin,struct iguana_block *block)
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{
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int32_t i,j,origheight,height; struct iguana_block *prev,*next; struct iguana_bundle *bp;
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prev = iguana_blockhashset(coin,-1,block->RO.prev_block,1);
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block->hh.prev = prev;
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if ( prev != 0 )
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{
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if ( prev->mainchain != 0 )
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{
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prev->hh.next = block;
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if ( memcmp(block->RO.prev_block.bytes,coin->blocks.hwmchain.RO.hash2.bytes,sizeof(bits256)) == 0 )
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_iguana_chainlink(coin,block);
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if ( (next= block->hh.next) != 0 && bits256_nonz(next->RO.hash2) > 0 )
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next->height = block->height + 1;
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}
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else if ( 0 && block->height < 0 )
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{
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for (i=0; i<1; i++)
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{
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if ( (prev= prev->hh.prev) == 0 )
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break;
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if ( prev->mainchain != 0 && prev->height >= 0 )
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{
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j = i;
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origheight = (prev->height + i + 2);
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prev = block->hh.prev;
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height = (origheight - 1);
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while ( i > 0 && prev != 0 )
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{
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if ( prev->mainchain != 0 && prev->height != height )
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{
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printf("mainchain height mismatch j.%d at i.%d %d != %d\n",j,i,prev->height,height);
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break;
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}
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prev = prev->hh.prev;
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height--;
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}
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if ( i == 0 )
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{
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//printf("SET HEIGHT.%d j.%d\n",origheight,j);
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if ( (bp= coin->bundles[origheight / coin->chain->bundlesize]) != 0 )
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{
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iguana_bundlehash2add(coin,0,bp,origheight % coin->chain->bundlesize,block->RO.hash2);
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block->height = origheight;
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block->mainchain = 1;
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prev = block->hh.prev;
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prev->hh.next = block;
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}
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} //else printf("break at i.%d for j.%d origheight.%d\n",i,j,origheight);
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break;
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}
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}
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}
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}
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}
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uint32_t iguana_allhashcmp(struct iguana_info *coin,struct iguana_bundle *bp,bits256 *blockhashes,int32_t num)
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{
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bits256 allhash; int32_t err,i,n; struct iguana_block *block,*prev;
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if ( bits256_nonz(bp->allhash) > 0 && num >= coin->chain->bundlesize && bp->queued == 0 )
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{
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vcalc_sha256(0,allhash.bytes,blockhashes[0].bytes,coin->chain->bundlesize * sizeof(*blockhashes));
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if ( memcmp(allhash.bytes,bp->allhash.bytes,sizeof(allhash)) == 0 )
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{
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if ( bp->bundleheight > 0 )
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prev = iguana_blockfind(coin,iguana_blockhash(coin,bp->bundleheight-1));
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else prev = 0;
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for (i=n=0; i<coin->chain->bundlesize&&i<bp->n; i++)
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{
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if ( (err= iguana_bundlehash2add(coin,&block,bp,i,blockhashes[i])) < 0 )
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{
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printf("error adding blockhash allhashes hdrsi.%d i.%d\n",bp->hdrsi,i);
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return(err);
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}
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if ( block != 0 && block == bp->blocks[i] )
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{
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block->height = bp->bundleheight + i;
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block->mainchain = 1;
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if ( prev != 0 )
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{
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//block->RO.prev_block = prev->RO.hash2;
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prev->hh.next = block;
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block->hh.prev = prev;
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}
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iguana_blockQ(coin,bp,i,blockhashes[i],0);
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} else printf("no allhashes block.%p or mismatch.%p\n",block,bp->blocks[i]);
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prev = block;
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}
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coin->allhashes++;
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// if ( bp->hdrsi == 0 )
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printf("ALLHASHES FOUND! %d allhashes.%d\n",bp->bundleheight,coin->allhashes);
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iguana_bundleQ(coin,bp,bp->n*5 + (rand() % 500));
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return(bp->queued);
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}
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}
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return(0);
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}
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void iguana_bundlespeculate(struct iguana_info *coin,struct iguana_bundle *bp,int32_t bundlei,bits256 hash2,int32_t offset)
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{
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if ( bp == 0 )
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return;
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if ( bp->numhashes < bp->n && bundlei == 0 && bp->speculative == 0 && bp->bundleheight < coin->longestchain-coin->chain->bundlesize )
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{
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char str[65]; bits256_str(str,bp->hashes[0]);
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//fprintf(stderr,"Afound block -> %d %d hdr.%s\n",bp->bundleheight,coin->longestchain-coin->chain->bundlesize,str);
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queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(str),1);
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}
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else if ( bp->speculative != 0 && bundlei < bp->numspec && memcmp(hash2.bytes,bp->speculative[bundlei].bytes,sizeof(hash2)) == 0 )
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{
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bundlei += offset;
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if ( bundlei < bp->n && bundlei < bp->numspec )
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{
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//char str[65]; printf("speculative req[%d] %s\n",bundlei,bits256_str(str,bp->speculative[bundlei]));
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//iguana_blockQ(coin,0,-1,bp->speculative[bundlei],0);
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}
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} //else printf("speculative.%p %d vs %d cmp.%d\n",bp->speculative,bundlei,bp->numspec,bp->speculative!=0?memcmp(hash2.bytes,bp->speculative[bundlei].bytes,sizeof(hash2)):-1);
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}
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int32_t iguana_bundleiters(struct iguana_info *coin,struct iguana_bundle *bp,int32_t timelimit)
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{
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int32_t i,n,better,issued,valid,pend,max,counter = 0; uint32_t now; struct iguana_block *block; double endmillis,width;
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coin->numbundlesQ--;
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//printf("BUNDLEITERS.%d\n",bp->hdrsi);
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if ( bp->numhashes < bp->n && bp->bundleheight < coin->longestchain-coin->chain->bundlesize )
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{
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// printf("ITERATE bundle.%d vs %d: h.%d n.%d r.%d s.%d finished.%d speculative.%p\n",bp->bundleheight,coin->longestchain-coin->chain->bundlesize,bp->numhashes,bp->n,bp->numrecv,bp->numsaved,bp->emitfinish,bp->speculative);
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if ( bp->speculative == 0 )
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{
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char str[64];
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queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(bits256_str(str,bp->hashes[0])),1);
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}
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/*else
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{
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for (i=1; i<bp->n; i++)
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if ( bits256_nonz(bp->hashes[i]) == 0 && bits256_nonz(bp->speculative[i]) > 0 )
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{
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iguana_blockQ(coin,0,-1,bp->speculative[i],0);
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break;
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}
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}*/
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usleep(10000);
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iguana_bundleQ(coin,bp,bp->n*5);
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return(0);
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}
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if ( coin->current != 0 && bp->rank != 0 && bp->rank <= coin->current->hdrsi + coin->peers.numranked )
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{
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for (i=0; i<bp->n; i++)
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{
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if ( (block= bp->blocks[i]) != 0 && block->numrequests == 0 && block->mainchain != 0 )
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{
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block->numrequests++;
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iguana_blockQ(coin,bp,i,block->RO.hash2,bp == coin->current);
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//printf("%d ",i);
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}
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}
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//printf("initial requests for hdrs.%d\n",bp->hdrsi);
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}
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pend = queue_size(&coin->priorityQ) + queue_size(&coin->blocksQ);
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for (i=0; i<IGUANA_MAXPEERS; i++)
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pend += coin->peers.active[i].pendblocks;
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if ( pend >= coin->MAXPENDING*coin->peers.numranked )
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{
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for (i=better=0; i<coin->bundlescount; i++)
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if ( coin->bundles[i] != 0 && coin->bundles[i]->numsaved > bp->numsaved )
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better++;
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if ( better > 2*coin->peers.numranked )
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{
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usleep(10000);
|
|
//printf("SKIP pend.%d vs %d: better.%d ITERATE bundle.%d n.%d r.%d s.%d finished.%d timelimit.%d\n",pend,coin->MAXPENDING*coin->peers.numranked,better,bp->bundleheight,bp->n,bp->numrecv,bp->numsaved,bp->emitfinish,timelimit);
|
|
iguana_bundleQ(coin,bp,counter == 0 ? bp->n*5 : bp->n*2);
|
|
return(0);
|
|
}
|
|
}
|
|
max = 1 + ((coin->MAXPENDING*coin->MAXPEERS - pend) >> 1);
|
|
endmillis = OS_milliseconds() + timelimit*10;
|
|
while ( bp->emitfinish == 0 && OS_milliseconds() < endmillis )
|
|
{
|
|
now = (uint32_t)time(NULL);
|
|
for (i=n=issued=counter=0; i<bp->n; i++)
|
|
{
|
|
if ( OS_milliseconds() > endmillis )
|
|
break;
|
|
if ( (block= bp->blocks[i]) != 0 )
|
|
{
|
|
if ( block->fpipbits == 0 && (bp->issued[i] == 0 || now > bp->issued[i]+13) )
|
|
{
|
|
//if ( bp->bundleheight == 20000 )
|
|
// printf("(%d:%d) ",bp->hdrsi,i);
|
|
block->numrequests++;
|
|
iguana_blockQ(coin,bp,i,block->RO.hash2,bp->numsaved > bp->n*.99);
|
|
bp->issued[i] = block->issued = now;
|
|
counter++;
|
|
if ( --max <= 0 )
|
|
break;
|
|
}
|
|
else if ( block->fpipbits != 0 && ((bp->hdrsi == 0 && i == 0) || bits256_nonz(block->RO.prev_block) != 0) )
|
|
n++, issued++;
|
|
else if ( bp->issued[i] != 0 )
|
|
issued++;
|
|
} else printf("iguana_bundleiters[%d] unexpected null block[%d]\n",bp->bundleheight,i);
|
|
bp->numsaved = n;
|
|
}
|
|
if ( max <= 0 )
|
|
break;
|
|
usleep(10000);
|
|
}
|
|
width = 1000 + sqrt(sqrt(bp->n * (1+bp->numsaved+issued)) * (10+coin->bundlescount-bp->hdrsi));
|
|
if ( 0 && counter > 0 )//&& bp->rank <= coin->peers.numranked )
|
|
printf("ITERATE.%d bundle.%d h.%d n.%d r.%d s.%d F.%d I.%d T.%d %f %u next %f counter.%d\n",bp->rank,bp->bundleheight/coin->chain->bundlesize,bp->numhashes,bp->n,bp->numrecv,bp->numsaved,bp->emitfinish,issued,timelimit,endmillis-OS_milliseconds(),(uint32_t)time(NULL),width,counter);
|
|
if ( bp->emitfinish == 0 )
|
|
{
|
|
if ( bp->numsaved >= bp->n )
|
|
{
|
|
for (i=0; i<bp->n; i++)
|
|
{
|
|
if ( (block= bp->blocks[i]) != 0 )
|
|
{
|
|
//printf("(%x:%x) ",(uint32_t)block->RO.hash2.ulongs[3],(uint32_t)bp->hashes[i].ulongs[3]);
|
|
if ( iguana_blockvalidate(coin,&valid,block,1) != 0 || (bp->bundleheight+i > 0 && bits256_nonz(block->RO.prev_block) == 0) )
|
|
{
|
|
char str[65]; printf(">>>>>>> null prevblock error at ht.%d patch.(%s) and reissue\n",bp->bundleheight+i,bits256_str(str,block->RO.prev_block));
|
|
block->queued = 0;
|
|
block->fpipbits = 0;
|
|
block->issued = 0;
|
|
bp->issued[i] = 0;
|
|
iguana_blockQ(coin,bp,i,block->RO.hash2,0);
|
|
iguana_bundleQ(coin,bp,counter == 0 ? bp->n*5 : bp->n*2);
|
|
return(0);
|
|
}
|
|
} else printf("error getting block (%d:%d) %p vs %p\n",bp->hdrsi,i,block,iguana_blockfind(coin,bp->hashes[i]));
|
|
}
|
|
// merkle
|
|
printf(">>>>>>>>>>>>>>>>>>>>>>> EMIT bundle.%d\n",bp->bundleheight);
|
|
bp->emitfinish = 1;
|
|
sleep(1);
|
|
iguana_emitQ(coin,bp);
|
|
iguana_bundleQ(coin,bp,width);
|
|
return(1);
|
|
}
|
|
iguana_bundleQ(coin,bp,width);
|
|
}
|
|
else if ( bp->startutxo == 0 )
|
|
{
|
|
if ( bp->hdrsi == 0 || coin->bundles[bp->hdrsi-1]->emitfinish != 0 )
|
|
{
|
|
bp->startutxo = (uint32_t)time(NULL);
|
|
printf("GENERATE UTXO, verify sigs, etc for ht.%d\n",bp->bundleheight);
|
|
}
|
|
iguana_bundleQ(coin,bp,width);
|
|
}
|
|
else if ( bp->utxofinish == 0 )
|
|
{
|
|
printf("UTXO FINISHED ht.%d\n",bp->bundleheight);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
// main context, ie single threaded
|
|
struct iguana_bundle *iguana_bundleset(struct iguana_info *coin,struct iguana_block **blockp,int32_t *bundleip,struct iguana_block *origblock)
|
|
{
|
|
struct iguana_block *block,*prevblock; bits256 zero,hash2,prevhash2; struct iguana_bundle *prevbp,*bp = 0; int32_t prevbundlei,bundlei = -2;
|
|
*bundleip = -2; *blockp = 0;
|
|
if ( origblock == 0 )
|
|
return(0);
|
|
memset(zero.bytes,0,sizeof(zero));
|
|
hash2 = origblock->RO.hash2;
|
|
if ( (block= iguana_blockhashset(coin,-1,hash2,1)) != 0 )
|
|
{
|
|
//fprintf(stderr,"bundleset block.%p vs origblock.%p\n",block,origblock);
|
|
if ( block != origblock )
|
|
iguana_blockcopy(coin,block,origblock);
|
|
*blockp = block;
|
|
prevhash2 = origblock->RO.prev_block;
|
|
if ( 0 && bits256_nonz(prevhash2) > 0 )
|
|
iguana_patch(coin,block);
|
|
if ( (bp= iguana_bundlefind(coin,&bp,&bundlei,hash2)) != 0 && bundlei < coin->chain->bundlesize )
|
|
{
|
|
//fprintf(stderr,"bundle found %d:%d\n",bp->hdrsi,bundlei);
|
|
block->bundlei = bundlei;
|
|
block->hdrsi = bp->hdrsi;
|
|
bp->blocks[bundlei] = block;
|
|
//printf("bundlehashadd set.%d\n",bundlei);
|
|
iguana_bundlehash2add(coin,0,bp,bundlei,hash2);
|
|
if ( bundlei > 0 )
|
|
{
|
|
//printf("bundlehashadd prev %d\n",bundlei);
|
|
iguana_bundlehash2add(coin,0,bp,bundlei-1,prevhash2);
|
|
}
|
|
else if ( bp->hdrsi > 0 && (bp= coin->bundles[bp->hdrsi-1]) != 0 )
|
|
iguana_bundlehash2add(coin,0,bp,coin->chain->bundlesize-1,prevhash2);
|
|
iguana_bundlespeculate(coin,bp,bundlei,hash2,1);
|
|
}
|
|
prevbp = 0, prevbundlei = -2;
|
|
iguana_bundlefind(coin,&prevbp,&prevbundlei,prevhash2);
|
|
if ( 0 && block->blockhashes != 0 )
|
|
fprintf(stderr,"has blockhashes bp.%p[%d] prevbp.%p[%d]\n",bp,bundlei,prevbp,prevbundlei);
|
|
if ( prevbp != 0 && prevbundlei >= 0 && (prevblock= iguana_blockfind(coin,prevhash2)) != 0 )
|
|
{
|
|
if ( prevbundlei < coin->chain->bundlesize )
|
|
{
|
|
if ( prevbp->hdrsi+1 == coin->bundlescount && prevbundlei == coin->chain->bundlesize-1 )
|
|
iguana_bundlecreate(coin,&prevbundlei,prevbp->bundleheight + coin->chain->bundlesize,hash2,zero,0);
|
|
if ( prevbundlei < coin->chain->bundlesize-1 )
|
|
{
|
|
//printf("bundlehash2add next %d\n",prevbundlei);
|
|
iguana_bundlehash2add(coin,0,prevbp,prevbundlei+1,hash2);
|
|
}
|
|
iguana_bundlespeculate(coin,prevbp,prevbundlei,prevhash2,2);
|
|
}
|
|
}
|
|
} else printf("iguana_bundleset: error adding blockhash\n");
|
|
bp = 0, *bundleip = -2;
|
|
return(iguana_bundlefind(coin,&bp,bundleip,hash2));
|
|
}
|
|
|
|
struct iguana_bundlereq *iguana_recvblockhdrs(struct iguana_info *coin,struct iguana_bundlereq *req,struct iguana_block *blocks,int32_t n,int32_t *newhwmp)
|
|
{
|
|
int32_t i,bundlei,match; struct iguana_block *block; struct iguana_bundle *bp,*firstbp = 0;
|
|
if ( blocks == 0 )
|
|
{
|
|
printf("iguana_recvblockhdrs null blocks?\n");
|
|
return(req);
|
|
}
|
|
if ( blocks != 0 && n > 0 )
|
|
{
|
|
for (i=match=0; i<n; i++)
|
|
{
|
|
//fprintf(stderr,"i.%d of %d bundleset\n",i,n);
|
|
bp = 0, bundlei = -1;
|
|
if ( (bp= iguana_bundleset(coin,&block,&bundlei,&blocks[i])) != 0 )
|
|
{
|
|
if ( i == 0 )
|
|
firstbp = bp;
|
|
if ( bundlei == i+1 && bp == firstbp )
|
|
match++;
|
|
else
|
|
{
|
|
if ( i != n-1 )
|
|
fprintf(stderr,"recvhdr: ht.%d[%d] vs i.%d\n",bp->bundleheight,bundlei,i);
|
|
}
|
|
}
|
|
}
|
|
if ( firstbp != 0 && match == coin->chain->bundlesize-1 && n == firstbp->n )
|
|
{
|
|
if ( firstbp->queued == 0 )
|
|
{
|
|
//fprintf(stderr,"firstbp blockQ %d\n",firstbp->bundleheight);
|
|
iguana_bundleQ(coin,firstbp,1000);
|
|
}
|
|
}
|
|
}
|
|
return(req);
|
|
}
|
|
|
|
struct iguana_bundlereq *iguana_recvblockhashes(struct iguana_info *coin,struct iguana_bundlereq *req,bits256 *blockhashes,int32_t num)
|
|
{
|
|
static bits256 zero;
|
|
int32_t bundlei,i; struct iguana_bundle *bp; bits256 allhash; char hashstr[65];// struct iguana_block *block;
|
|
bp = 0, bundlei = -2;
|
|
if ( num < 2 )
|
|
return(req);
|
|
iguana_bundlefind(coin,&bp,&bundlei,blockhashes[1]);
|
|
//char str[65];
|
|
//if ( bp != 0 && bp->hdrsi == 0 )
|
|
// printf("blockhashes[%d] %d of %d %s bp.%d[%d]\n",num,bp==0?-1:bp->hdrsi,coin->bundlescount,bits256_str(str,blockhashes[1]),bp==0?-1:bp->bundleheight,bundlei);
|
|
if ( bp != 0 )
|
|
{
|
|
bp->hdrtime = (uint32_t)time(NULL);
|
|
blockhashes[0] = bp->hashes[0];
|
|
if ( num >= coin->chain->bundlesize )
|
|
{
|
|
iguana_blockQ(coin,0,-1,blockhashes[coin->chain->bundlesize],0);
|
|
//printf("call allhashes\n");
|
|
if ( bp->hdrsi == coin->bundlescount-1 )
|
|
{
|
|
init_hexbytes_noT(hashstr,blockhashes[coin->chain->bundlesize].bytes,sizeof(bits256));
|
|
queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(hashstr),1);
|
|
iguana_bundlecreate(coin,&bundlei,bp->bundleheight+coin->chain->bundlesize,blockhashes[coin->chain->bundlesize],zero,0);
|
|
printf("EXTEND last bundle %s ht.%d\n",hashstr,bp->bundleheight+coin->chain->bundlesize);
|
|
}
|
|
if ( iguana_allhashcmp(coin,bp,blockhashes,num) > 0 )
|
|
return(req);
|
|
//printf("done allhashes\n");
|
|
}
|
|
if ( (bp->speculative == 0 || num > bp->numspec) && bp->emitfinish == 0 )
|
|
{
|
|
//printf("FOUND speculative.%p BLOCKHASHES[%d] ht.%d\n",bp->speculative,num,bp->bundleheight);
|
|
if ( bp->speculative != 0 )
|
|
myfree(bp->speculative,sizeof(*bp->speculative) * bp->numspec);
|
|
bp->speculative = blockhashes;
|
|
bp->numspec = num;
|
|
req->hashes = 0;
|
|
//iguana_blockQ(coin,0,-1,blockhashes[2],1);
|
|
}
|
|
}
|
|
else if ( num >= coin->chain->bundlesize )
|
|
{
|
|
for (i=0; i<coin->bundlescount; i++)
|
|
{
|
|
if ( (bp= coin->bundles[i]) != 0 && bp->emitfinish == 0 )
|
|
{
|
|
blockhashes[0] = bp->hashes[0];
|
|
vcalc_sha256(0,allhash.bytes,blockhashes[0].bytes,coin->chain->bundlesize * sizeof(*blockhashes));
|
|
if ( bits256_cmp(allhash,bp->allhash) == 0 )
|
|
{
|
|
if ( bp->queued != 0 )
|
|
bp->queued = 0;
|
|
if ( iguana_allhashcmp(coin,bp,blockhashes,coin->chain->bundlesize) > 0 )
|
|
{
|
|
bp->hdrtime = (uint32_t)time(NULL);
|
|
iguana_blockQ(coin,bp,1,blockhashes[1],0);
|
|
iguana_blockQ(coin,bp,0,blockhashes[0],0);
|
|
iguana_blockQ(coin,bp,coin->chain->bundlesize-1,blockhashes[coin->chain->bundlesize-1],0);
|
|
//printf("matched bundle.%d\n",bp->bundleheight);
|
|
return(req);
|
|
} else printf("unexpected mismatch??\n");
|
|
}
|
|
}
|
|
}
|
|
//printf("no match to allhashes issue block1\n");
|
|
struct iguana_block *block;
|
|
if ( num == coin->chain->bundlesize+1 && (block= iguana_blockhashset(coin,-1,blockhashes[1],1)) != 0 )
|
|
block->blockhashes = blockhashes, req->hashes = 0;
|
|
iguana_blockQ(coin,0,-1,blockhashes[1],0);
|
|
}
|
|
else iguana_blockQ(coin,0,-1,blockhashes[1],0); // should be RT block
|
|
return(req);
|
|
}
|
|
|
|
struct iguana_bundlereq *iguana_recvblock(struct iguana_info *coin,struct iguana_peer *addr,struct iguana_bundlereq *req,struct iguana_block *origblock,int32_t numtx,int32_t datalen,int32_t recvlen,int32_t *newhwmp)
|
|
{
|
|
struct iguana_bundle *bp=0; int32_t bundlei = -2; struct iguana_block *block;
|
|
bp = iguana_bundleset(coin,&block,&bundlei,origblock);
|
|
static int total; char str[65];
|
|
if ( 0 && bp != 0 && bp->hdrsi == 0 )
|
|
fprintf(stderr,"RECV %s [%d:%d] block.%08x | %d\n",bits256_str(str,origblock->RO.hash2),bp!=0?bp->hdrsi:-1,bundlei,block->fpipbits,total++);
|
|
if ( bundlei == 1 && bp != 0 && bp->numhashes < bp->n )
|
|
{
|
|
printf("reissue hdrs request for [%d]\n",bp->hdrsi);
|
|
queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(bits256_str(str,bp->hashes[0])),1);
|
|
}
|
|
if ( block != 0 )
|
|
{
|
|
if ( 0 && bits256_nonz(block->RO.prev_block) > 0 )
|
|
{
|
|
iguana_blockQ(coin,bundlei > 0 ? bp : 0,bundlei-1,block->RO.prev_block,0);
|
|
//printf("recv autoreq prev [%d:%d]\n",bp!=0?bp->hdrsi:-1,bundlei);
|
|
}
|
|
block->RO.recvlen = recvlen;
|
|
if ( req->copyflag != 0 && block->queued == 0 && bp != 0 )
|
|
{
|
|
//char str[65]; fprintf(stderr,"req.%p %s copyflag.%d %d data %d %d\n",req,bits256_str(str,block->RO.hash2),req->copyflag,block->height,req->recvlen,recvlen);
|
|
coin->numcached++;
|
|
block->queued = 1;
|
|
//iguana_parsebuf(coin,addr,&req->H,req->serialized,req->recvlen);
|
|
queue_enqueue("cacheQ",&coin->cacheQ,&req->DL,0);
|
|
return(0);
|
|
}
|
|
/*while ( block != 0 && memcmp(block->RO.prev_block.bytes,coin->blocks.hwmchain.RO.hash2.bytes,sizeof(bits256)) == 0 )
|
|
{
|
|
if ( _iguana_chainlink(coin,block) != 0 )
|
|
{
|
|
printf("chainlink.%d -> next.%p\n",block->height,block->hh.next);
|
|
block = block->hh.next;
|
|
} else break;
|
|
}*/
|
|
//printf("datalen.%d ipbits.%x\n",datalen,req->ipbits);
|
|
} else printf("cant create origblock.%p block.%p bp.%p bundlei.%d\n",origblock,block,bp,bundlei);
|
|
return(req);
|
|
}
|
|
|
|
struct iguana_bundlereq *iguana_recvtxids(struct iguana_info *coin,struct iguana_bundlereq *req,bits256 *txids,int32_t n)
|
|
{
|
|
return(req);
|
|
}
|
|
|
|
struct iguana_bundlereq *iguana_recvunconfirmed(struct iguana_info *coin,struct iguana_bundlereq *req,uint8_t *data,int32_t datalen)
|
|
{
|
|
int32_t i;
|
|
for (i=0; i<coin->numreqtxids; i++)
|
|
{
|
|
if ( memcmp(req->txid.bytes,coin->reqtxids[i].bytes,sizeof(req->txid)) == 0 )
|
|
{
|
|
char str[65]; printf("got reqtxid.%s datalen.%d | numreqs.%d\n",bits256_str(str,req->txid),req->datalen,coin->numreqtxids);
|
|
coin->reqtxids[i] = coin->reqtxids[--coin->numreqtxids];
|
|
}
|
|
}
|
|
return(req);
|
|
}
|
|
|
|
int32_t iguana_processbundlesQ(struct iguana_info *coin,int32_t *newhwmp) // single threaded
|
|
{
|
|
int32_t flag = 0; struct iguana_bundlereq *req;
|
|
*newhwmp = 0;
|
|
while ( flag < IGUANA_BUNDLELOOP && (req= queue_dequeue(&coin->bundlesQ,0)) != 0 )
|
|
{
|
|
flag++;
|
|
//fprintf(stderr,"%s bundlesQ.%p type.%c n.%d\n",req->addr != 0 ? req->addr->ipaddr : "0",req,req->type,req->n);
|
|
//if ( req->type == 'H' )
|
|
// continue;
|
|
if ( req->type == 'B' ) // one block with all txdata
|
|
req = iguana_recvblock(coin,req->addr,req,&req->block,req->numtx,req->datalen,req->recvlen,newhwmp);
|
|
else if ( req->type == 'H' ) // blockhdrs (doesnt have txn_count!)
|
|
{
|
|
if ( (req= iguana_recvblockhdrs(coin,req,req->blocks,req->n,newhwmp)) != 0 )
|
|
{
|
|
if ( req->blocks != 0 )
|
|
myfree(req->blocks,sizeof(*req->blocks) * req->n), req->blocks = 0;
|
|
}
|
|
}
|
|
else if ( req->type == 'S' ) // blockhashes
|
|
{
|
|
if ( (req= iguana_recvblockhashes(coin,req,req->hashes,req->n)) != 0 && req->hashes != 0 )
|
|
myfree(req->hashes,sizeof(*req->hashes) * req->n), req->hashes = 0;
|
|
}
|
|
else if ( req->type == 'U' ) // unconfirmed tx
|
|
req = iguana_recvunconfirmed(coin,req,req->serialized,req->datalen);
|
|
else if ( req->type == 'T' ) // txids from inv
|
|
{
|
|
if ( (req= iguana_recvtxids(coin,req,req->hashes,req->n)) != 0 )
|
|
myfree(req->hashes,(req->n+1) * sizeof(*req->hashes)), req->hashes = 0;
|
|
}
|
|
else printf("iguana_updatebundles unknown type.%c\n",req->type);
|
|
//fprintf(stderr,"finished bundlesQ\n");
|
|
if ( req != 0 )
|
|
myfree(req,req->allocsize), req = 0;
|
|
}
|
|
return(flag);
|
|
}
|
|
|
|
int32_t iguana_needhdrs(struct iguana_info *coin)
|
|
{
|
|
if ( coin->longestchain == 0 || coin->blocks.hashblocks < coin->longestchain-coin->chain->bundlesize )
|
|
return(1);
|
|
else return(0);
|
|
}
|
|
|
|
int32_t iguana_reqhdrs(struct iguana_info *coin)
|
|
{
|
|
int32_t i,lag,n = 0; struct iguana_bundle *bp; char hashstr[65];
|
|
if ( queue_size(&coin->hdrsQ) == 0 )
|
|
{
|
|
if ( iguana_needhdrs(coin) > 0 )
|
|
{
|
|
for (i=0; i<coin->bundlescount; i++)
|
|
{
|
|
if ( (bp= coin->bundles[i]) != 0 && bp->emitfinish < coin->startutc )
|
|
{
|
|
if ( i == coin->bundlescount-1 )
|
|
lag = 30;
|
|
else lag = 30 + (rand() % 30);
|
|
//if ( i < coin->bundlescount-1 && (bp->numhashes >= (rand() % bp->n) || time(NULL) < bp->hdrtime+lag) )
|
|
// continue;
|
|
if ( bp->numhashes < bp->n && bp->bundleheight+bp->numhashes < coin->longestchain && time(NULL) > bp->issuetime+lag )
|
|
{
|
|
//printf("LAG.%ld hdrsi.%d numhashes.%d:%d needhdrs.%d qsize.%d zcount.%d\n",time(NULL)-bp->hdrtime,i,bp->numhashes,bp->n,iguana_needhdrs(coin),queue_size(&coin->hdrsQ),coin->zcount);
|
|
if ( bp->issuetime == 0 )
|
|
coin->numpendings++;
|
|
char str[65];
|
|
bits256_str(str,bp->hashes[0]);
|
|
//printf("(%s %d).%d ",str,bp->bundleheight,i);
|
|
//printf("%d ",bp->bundleheight);
|
|
init_hexbytes_noT(hashstr,bp->hashes[0].bytes,sizeof(bits256));
|
|
queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(hashstr),1);
|
|
//printf("reqHDR.(%s)\n",hashstr);
|
|
iguana_blockQ(coin,bp,0,bp->hashes[0],0);
|
|
if ( bits256_nonz(bp->hashes[1]) > 0 )
|
|
iguana_blockQ(coin,bp,1,bp->hashes[1],0);
|
|
n++;
|
|
bp->hdrtime = bp->issuetime = (uint32_t)time(NULL);
|
|
}
|
|
}
|
|
}
|
|
if ( 0 && n > 0 )
|
|
printf("REQ HDRS pending.%d\n",n);
|
|
coin->zcount = 0;
|
|
}
|
|
else
|
|
{
|
|
|
|
}
|
|
} else coin->zcount = 0;
|
|
return(n);
|
|
}
|
|
|
|
struct iguana_blockreq { struct queueitem DL; bits256 hash2,*blockhashes; struct iguana_bundle *bp; int32_t n,height,bundlei; };
|
|
|
|
int32_t iguana_blockQ(struct iguana_info *coin,struct iguana_bundle *bp,int32_t bundlei,bits256 hash2,int32_t priority)
|
|
{
|
|
queue_t *Q; char *str; int32_t height = -1; struct iguana_blockreq *req; struct iguana_block *block = 0;
|
|
if ( bits256_nonz(hash2) == 0 )
|
|
{
|
|
printf("cant queue zerohash bundlei.%d\n",bundlei);
|
|
return(-1);
|
|
}
|
|
block = iguana_blockfind(coin,hash2);
|
|
if ( priority != 0 || block == 0 || (block->queued == 0 && block->fpipbits == 0) )
|
|
{
|
|
if ( block != 0 && bits256_cmp(coin->APIblockhash,hash2) != 0 )
|
|
{
|
|
if ( block->fpipbits != 0 || block->queued != 0 || block->issued > time(NULL)-60 )
|
|
return(0);
|
|
}
|
|
if ( priority != 0 )
|
|
str = "priorityQ", Q = &coin->priorityQ;
|
|
else str = "blocksQ", Q = &coin->blocksQ;
|
|
if ( Q != 0 )
|
|
{
|
|
if ( bp != 0 && bundlei >= 0 && bundlei < bp->n )
|
|
{
|
|
if ( bp->issued[bundlei] == 0 || time(NULL) > bp->issued[bundlei]+30 )
|
|
{
|
|
bp->issued[bundlei] = (uint32_t)time(NULL);
|
|
if ( bp->bundleheight >= 0 )
|
|
height = (bp->bundleheight + bundlei);
|
|
}
|
|
else
|
|
{
|
|
return(1);
|
|
}
|
|
}
|
|
req = mycalloc('y',1,sizeof(*req));
|
|
req->hash2 = hash2;
|
|
req->bp = bp;
|
|
req->height = height;
|
|
req->bundlei = bundlei;
|
|
char str2[65];
|
|
if ( 0 && (bundlei % 250) == 0 )
|
|
printf("%s %d %s %d numranked.%d qsize.%d\n",str,req->height,bits256_str(str2,hash2),coin->blocks.recvblocks,coin->peers.numranked,queue_size(Q));
|
|
if ( block != 0 )
|
|
{
|
|
block->numrequests++;
|
|
block->issued = (uint32_t)time(NULL);
|
|
}
|
|
queue_enqueue(str,Q,&req->DL,0);
|
|
return(1);
|
|
} else printf("null Q\n");
|
|
} //else printf("queueblock skip priority.%d bundlei.%d\n",bundlei,priority);
|
|
return(0);
|
|
}
|
|
|
|
int32_t iguana_neargap(struct iguana_info *coin,struct iguana_peer *addr)
|
|
{
|
|
struct iguana_block *block,*bestblock = 0; struct iguana_bundle *bp,*bestbp = 0;
|
|
int32_t height,hdrsi,i,j,n,bundlei,gap,besti = -1; uint32_t r;
|
|
if ( addr->rank > 0 )
|
|
{
|
|
n = coin->peers.numranked * 2;
|
|
gap = addr->rank * (1 + n + coin->peers.numranked) + coin->peers.numranked;
|
|
for (i=0; i<coin->bundlescount; i++)
|
|
if ( (bp= coin->bundles[i]) == 0 || bp->emitfinish == 0 )
|
|
break;
|
|
height = (i * coin->chain->bundlesize);
|
|
r = rand();
|
|
for (i=0; i<n; i++)
|
|
{
|
|
j = (gap + r + i) % n;
|
|
hdrsi = (height + j) / coin->chain->bundlesize;
|
|
if ( (bp= coin->bundles[hdrsi]) != 0 )
|
|
{
|
|
bundlei = (height + j) % coin->chain->bundlesize;
|
|
if ( (block= bp->blocks[bundlei]) != 0 && block->fpipbits == 0 && block->queued == 0 )
|
|
{
|
|
if ( block->numrequests == bp->minrequests )
|
|
{
|
|
bestblock = block;
|
|
bestbp = bp;
|
|
besti = bundlei;
|
|
break;
|
|
}
|
|
/*else if ( bestblock == 0 || block->numrequests < bestblock->numrequests )
|
|
{
|
|
bestblock = block;
|
|
bestbp = bp;
|
|
besti = bundlei;
|
|
}*/
|
|
}
|
|
}
|
|
}
|
|
if ( bestblock != 0 )
|
|
{
|
|
printf("near hwm.%d gap.%d peer.%s bpranked.%d [%d:%d] pending.%d numreqs.%d\n",height,j,addr->ipaddr,bestbp->rank,bestbp->hdrsi,besti,addr->pendblocks,bestblock->numrequests);
|
|
bestblock->numrequests++;
|
|
iguana_sendblockreqPT(coin,addr,bestbp,besti,bestblock->RO.hash2,0);
|
|
return(1);
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
int32_t iguana_pollQsPT(struct iguana_info *coin,struct iguana_peer *addr)
|
|
{
|
|
uint8_t serialized[sizeof(struct iguana_msghdr) + sizeof(uint32_t)*32 + sizeof(bits256)];
|
|
struct iguana_block *block; struct iguana_blockreq *req=0; char *hashstr=0; bits256 hash2;
|
|
int32_t j,bundlei,priority,i,m,z,pend,limit,height=-1,datalen,flag = 0; uint32_t r;
|
|
uint32_t now; struct iguana_bundle *bp; struct iguana_peer *ptr;
|
|
if ( addr->msgcounts.verack == 0 )
|
|
return(0);
|
|
now = (uint32_t)time(NULL);
|
|
if ( iguana_needhdrs(coin) != 0 && addr->pendhdrs < IGUANA_MAXPENDHDRS )
|
|
{
|
|
//printf("%s check hdrsQ\n",addr->ipaddr);
|
|
if ( (hashstr= queue_dequeue(&coin->hdrsQ,1)) != 0 )
|
|
{
|
|
if ( (datalen= iguana_gethdrs(coin,serialized,coin->chain->gethdrsmsg,hashstr)) > 0 )
|
|
{
|
|
decode_hex(hash2.bytes,sizeof(hash2),hashstr);
|
|
if ( bits256_nonz(hash2) > 0 )
|
|
{
|
|
bp = 0, bundlei = -2;
|
|
bp = iguana_bundlefind(coin,&bp,&bundlei,hash2);
|
|
z = m = 0;
|
|
if ( bp != 0 )//&& bp->queued == 0 )
|
|
{
|
|
if ( bp->bundleheight+coin->chain->bundlesize < coin->longestchain )
|
|
{
|
|
m = (coin->longestchain - bp->bundleheight);
|
|
if ( bp->numhashes < m )
|
|
z = 1;
|
|
}
|
|
else if ( bp->numhashes < bp->n )
|
|
z = 1;
|
|
}
|
|
if ( bp == 0 || z != 0 )
|
|
{
|
|
//printf("%s request HDR.(%s) numhashes.%d\n",addr!=0?addr->ipaddr:"local",hashstr,bp->numhashes);
|
|
iguana_send(coin,addr,serialized,datalen);
|
|
addr->pendhdrs++;
|
|
flag++;
|
|
} else printf("skip hdrreq.%s m.%d z.%d bp.%p longest.%d queued.%d\n",hashstr,m,z,bp,bp->coin->longestchain,bp->queued);
|
|
}
|
|
//free_queueitem(hashstr);
|
|
//return(flag);
|
|
} else printf("datalen.%d from gethdrs\n",datalen);
|
|
free_queueitem(hashstr);
|
|
hashstr = 0;
|
|
}
|
|
}
|
|
if ( (limit= addr->recvblocks) > coin->MAXPENDING )
|
|
limit = coin->MAXPENDING;
|
|
if ( limit < 1 )
|
|
limit = 1;
|
|
if ( addr->pendblocks >= limit )
|
|
{
|
|
//printf("%s %d overlimit.%d\n",addr->ipaddr,addr->pendblocks,limit);
|
|
return(0);
|
|
}
|
|
priority = 1;
|
|
if ( (req= queue_dequeue(&coin->priorityQ,0)) == 0 && (rand() % 100) == 0 )
|
|
{
|
|
if ( (rand() % 1) == 0 )
|
|
flag = iguana_neargap(coin,addr);
|
|
else if ( (bp= addr->bp) != 0 && bp->rank != 0 && addr->pendblocks < limit )
|
|
{
|
|
r = rand();
|
|
for (j=0; j<bp->n; j++)
|
|
{
|
|
i = (r + j) % bp->n;
|
|
if ( (block= bp->blocks[i]) != 0 && block->numrequests == bp->minrequests && block->fpipbits == 0 && block->queued == 0 )
|
|
{
|
|
printf("peer.%s BPranked.%d [%d:%d] pending.%d numreqs.%d\n",addr->ipaddr,bp->rank,bp->hdrsi,i,addr->pendblocks,block->numrequests);
|
|
block->numrequests++;
|
|
flag++;
|
|
iguana_sendblockreqPT(coin,addr,bp,i,block->RO.hash2,0);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ( flag == 0 && req == 0 && addr->pendblocks < limit )
|
|
{
|
|
priority = 0;
|
|
for (i=m=pend=0; i<coin->peers.numranked; i++)
|
|
{
|
|
if ( (ptr= coin->peers.ranked[i]) != 0 && ptr->msgcounts.verack > 0 )
|
|
pend += ptr->pendblocks, m++;
|
|
}
|
|
if ( pend < coin->MAXPENDING*m )
|
|
req = queue_dequeue(&coin->blocksQ,0);
|
|
}
|
|
if ( req != 0 )
|
|
{
|
|
hash2 = req->hash2;
|
|
height = req->height;
|
|
block = 0;
|
|
if ( priority == 0 && (bp= req->bp) != 0 && req->bundlei >= 0 && req->bundlei < bp->n && req->bundlei < coin->chain->bundlesize && (block= bp->blocks[req->bundlei]) != 0 && (block->fpipbits != 0 || block->queued != 0) )
|
|
{
|
|
if ( 1 && priority != 0 )
|
|
printf("SKIP %p[%d] %d\n",bp,bp!=0?bp->bundleheight:-1,req->bundlei);
|
|
}
|
|
else
|
|
{
|
|
char str[65];
|
|
if ( block != 0 )
|
|
block->numrequests++;
|
|
if ( 0 && priority != 0 )
|
|
printf("PRIORITY %s [%d:%d]\n",bits256_str(str,hash2),bp!=0?bp->bundleheight:-1,req->bundlei);
|
|
iguana_sendblockreqPT(coin,addr,req->bp,req->bundlei,hash2,0);
|
|
}
|
|
flag++;
|
|
myfree(req,sizeof(*req));
|
|
}
|
|
return(flag);
|
|
}
|
|
|
|
int32_t iguana_reqblocks(struct iguana_info *coin)
|
|
{
|
|
int32_t hdrsi,lflag,n,bundlei,flag = 0; bits256 hash2; struct iguana_block *next,*block; struct iguana_bundle *bp;
|
|
if ( 0 && (bp= coin->current) != 0 && bp->numsaved < bp->n ) // queue_size(&coin->priorityQ) == 0 &&
|
|
{
|
|
for (hdrsi=0; hdrsi<coin->peers.numranked&&coin->current->hdrsi+hdrsi<coin->bundlescount; hdrsi++)
|
|
{
|
|
if ( (bp= coin->bundles[hdrsi + coin->current->hdrsi]) == 0 )
|
|
continue;
|
|
if ( coin->peers.ranked[hdrsi] == 0 || coin->peers.ranked[hdrsi]->msgcounts.verack == 0 )
|
|
continue;
|
|
for (bundlei=n=flag=0; bundlei<bp->n; bundlei++)
|
|
if ( (block= bp->blocks[bundlei]) != 0 )
|
|
{
|
|
if ( bits256_nonz(block->RO.hash2) > 0 && block->fpipbits != 0 )
|
|
n++;
|
|
else if ( time(NULL) > block->issued+13 ) //bp->numsaved > bp->n*.9 &&
|
|
{
|
|
char str[65];
|
|
//printf("%d ",bundlei);
|
|
printf("[%d:%d] %s\n",bp->hdrsi,bundlei,bits256_str(str,block->RO.hash2));
|
|
/*block->fpipbits = 0;
|
|
block->queued = 0;
|
|
block->issued = 0;
|
|
bp->issued[bundlei] = 0;*/
|
|
block->issued = (uint32_t)time(NULL);
|
|
iguana_sendblockreqPT(coin,coin->peers.ranked[hdrsi],bp,bundlei,block->RO.hash2,0);
|
|
//iguana_blockQ(coin,bp,bundlei,block->RO.hash2,1);
|
|
flag++;
|
|
}
|
|
}
|
|
if ( flag != 0 )
|
|
printf("issued %d priority blocks for %d current.[%d] have %d blocks emit.%u\n",flag,hdrsi,bp->hdrsi,n,bp->emitfinish);
|
|
}
|
|
}
|
|
hdrsi = (coin->blocks.hwmchain.height+1) / coin->chain->bundlesize;
|
|
if ( (bp= coin->bundles[hdrsi]) != 0 )
|
|
{
|
|
bundlei = (coin->blocks.hwmchain.height+1) % coin->chain->bundlesize;
|
|
if ( (next= bp->blocks[bundlei]) != 0 || (next= iguana_blockfind(coin,bp->hashes[bundlei])) != 0 )
|
|
{
|
|
if ( bits256_nonz(next->RO.prev_block) > 0 )
|
|
_iguana_chainlink(coin,next);
|
|
else if ( next->queued == 0 && next->fpipbits == 0 )
|
|
{
|
|
//printf("HWM next %d\n",coin->blocks.hwmchain.height+1);
|
|
//iguana_blockQ(coin,bp,bundlei,next->RO.hash2,0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( bits256_nonz(bp->hashes[bundlei]) > 0 )
|
|
{
|
|
//printf("next %d\n",coin->blocks.hwmchain.height+1);
|
|
//iguana_blockQ(coin,bp,bundlei,bp->hashes[bundlei],0);
|
|
}
|
|
else if ( bp->speculative != 0 && bits256_nonz(bp->speculative[bundlei]) > 0 )
|
|
{
|
|
//printf("speculative next %d\n",coin->blocks.hwmchain.height+1);
|
|
//iguana_blockQ(coin,0,-1,bp->speculative[bundlei],0);
|
|
}
|
|
}
|
|
}
|
|
else if ( 0 && (bp= coin->bundles[--hdrsi]) != 0 )
|
|
{
|
|
char str[65];
|
|
queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(bits256_str(str,bp->hashes[0])),1);
|
|
}
|
|
lflag = 1;
|
|
while ( lflag != 0 )
|
|
{
|
|
lflag = 0;
|
|
hdrsi = (coin->blocks.hwmchain.height+1) / coin->chain->bundlesize;
|
|
bundlei = (coin->blocks.hwmchain.height+1) % coin->chain->bundlesize;
|
|
if ( (next= iguana_blockfind(coin,iguana_blockhash(coin,coin->blocks.hwmchain.height+1))) == 0 )
|
|
{
|
|
if ( (block= iguana_blockfind(coin,coin->blocks.hwmchain.RO.hash2)) != 0 )
|
|
next = block->hh.next, block->mainchain = 1;
|
|
}
|
|
if ( next == 0 && hdrsi < coin->bundlescount && (bp= coin->bundles[hdrsi]) != 0 && (next= bp->blocks[bundlei]) != 0 )
|
|
{
|
|
if ( bits256_nonz(next->RO.prev_block) == 0 )
|
|
next = 0;
|
|
}
|
|
if ( next != 0 )
|
|
{
|
|
//printf("have next %d\n",coin->blocks.hwmchain.height);
|
|
if ( memcmp(next->RO.prev_block.bytes,coin->blocks.hwmchain.RO.hash2.bytes,sizeof(bits256)) == 0 )
|
|
{
|
|
if ( _iguana_chainlink(coin,next) != 0 )
|
|
lflag++, flag++;
|
|
//else printf("chainlink error for %d\n",coin->blocks.hwmchain.height+1);
|
|
}
|
|
if ( queue_size(&coin->blocksQ) < _IGUANA_MAXPENDING )
|
|
{
|
|
double threshold,lag = OS_milliseconds() - coin->backstopmillis;
|
|
threshold = (10 + coin->longestchain - coin->blocksrecv);
|
|
if ( threshold < 1 )
|
|
threshold = 1.;
|
|
if ( (bp= coin->bundles[(coin->blocks.hwmchain.height+1)/coin->chain->bundlesize]) != 0 )
|
|
threshold = (bp->avetime + coin->avetime) * .5;
|
|
else threshold = coin->avetime;
|
|
threshold *= 100. * sqrt(threshold) * .000777;
|
|
if ( strcmp(coin->symbol,"BTC") != 0 )
|
|
threshold = 1000;
|
|
else threshold = 10000;
|
|
if ( coin->blocks.hwmchain.height < coin->longestchain && (coin->backstop != coin->blocks.hwmchain.height+1 || lag > threshold) )
|
|
{
|
|
coin->backstop = coin->blocks.hwmchain.height+1;
|
|
hash2 = iguana_blockhash(coin,coin->backstop);
|
|
if ( bits256_nonz(hash2) > 0 )
|
|
{
|
|
bp = coin->bundles[(coin->blocks.hwmchain.height+1)/coin->chain->bundlesize];
|
|
bundlei = (coin->blocks.hwmchain.height+1) % coin->chain->bundlesize;
|
|
if ( bp != 0 && bits256_nonz(bp->hashes[bundlei]) > 0 )
|
|
{
|
|
coin->backstopmillis = OS_milliseconds();
|
|
iguana_blockQ(coin,bp,bundlei,bp->hashes[bundlei],0);
|
|
flag++;
|
|
char str[65];
|
|
if ( 1 && (rand() % 1000) == 0 )
|
|
printf("%s MAINCHAIN.%d threshold %.3f %.3f lag %.3f\n",bits256_str(str,hash2),coin->blocks.hwmchain.height+1,threshold,coin->backstopmillis,lag);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return(flag);
|
|
}
|
|
|
|
int32_t iguana_processrecv(struct iguana_info *coin) // single threaded
|
|
{
|
|
int32_t newhwm = 0,flag = 0;
|
|
//fprintf(stderr,"process bundlesQ\n");
|
|
flag += iguana_processbundlesQ(coin,&newhwm);
|
|
//fprintf(stderr,"iguana_reqhdrs\n");
|
|
flag += iguana_reqhdrs(coin);
|
|
//fprintf(stderr,"iguana_reqblocks\n");
|
|
flag += iguana_reqblocks(coin);
|
|
return(flag);
|
|
}
|
|
|