int32_t iguana_gentxarray(struct iguana_info *coin,struct OS_memspace *mem,struct iguana_txblock *txdata,int32_t *lenp,uint8_t *data,int32_t recvlen) { struct iguana_msgtx *tx; bits256 hash2; struct iguana_msgblock msg; int32_t i,n,len,numvouts,numvins; memset(&msg,0,sizeof(msg)); len = iguana_rwblock(0,&hash2,data,&msg); iguana_blockconv(&txdata->block,&msg,hash2,-1); tx = iguana_memalloc(mem,msg.txn_count*sizeof(*tx),1); for (i=numvins=numvouts=0; i<msg.txn_count; i++) { if ( (n= iguana_rwtx(0,mem,&data[len],&tx[i],recvlen - len,&tx[i].txid,coin->chain->hastimestamp,strcmp(coin->symbol,"VPN")==0)) < 0 ) break; numvouts += tx[i].tx_out; numvins += tx[i].tx_in; len += n; } if ( coin->chain->hastimestamp != 0 && len != recvlen && data[len] == (recvlen - len - 1) ) { //printf("\n>>>>>>>>>>> len.%d vs recvlen.%d [%d]\n",len,recvlen,data[len]); memcpy(txdata->space,&data[len],recvlen-len); len += (recvlen-len); txdata->extralen = (recvlen - len); } else txdata->extralen = 0; txdata->recvlen = len; txdata->numtxids = msg.txn_count; txdata->numunspents = numvouts; txdata->numspends = numvins; return(len); }
int32_t iguana_rwtx(int32_t rwflag,struct OS_memspace *mem,uint8_t *serialized,struct iguana_msgtx *msg,int32_t maxsize,bits256 *txidp,int32_t hastimestamp,int32_t isvpncoin) { int32_t i,len = 0; uint8_t *txstart = serialized; char txidstr[65]; len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->version),&msg->version); if ( hastimestamp != 0 ) len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->timestamp),&msg->timestamp); len += iguana_rwvarint32(rwflag,&serialized[len],&msg->tx_in); //printf("version.%d ",msg->version); if ( msg->tx_in > 0 && msg->tx_out*100 < maxsize ) { if ( rwflag == 0 ) msg->vins = iguana_memalloc(mem,msg->tx_in * sizeof(*msg->vins),1); for (i=0; i<msg->tx_in; i++) len += iguana_rwvin(rwflag,mem,&serialized[len],&msg->vins[i]); //printf("numvins.%d\n",msg->tx_in); } else { printf("invalid tx_in.%d\n",msg->tx_in); return(-1); } len += iguana_rwvarint32(rwflag,&serialized[len],&msg->tx_out); if ( msg->tx_out > 0 && msg->tx_out*32 < maxsize ) { //printf("numvouts.%d ",msg->tx_out); if ( rwflag == 0 ) msg->vouts = iguana_memalloc(mem,msg->tx_out * sizeof(*msg->vouts),1); for (i=0; i<msg->tx_out; i++) len += iguana_rwvout(rwflag,mem,&serialized[len],&msg->vouts[i]); } else { printf("invalid tx_out.%d\n",msg->tx_out); return(-1); } len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->lock_time),&msg->lock_time); if ( isvpncoin != 0 ) { uint16_t ddosflag=0; len += iguana_rwnum(rwflag,&serialized[len],sizeof(ddosflag),&ddosflag); for (; serialized[len]!=0&&len<maxsize; len++) // eat null terminated string ; } *txidp = bits256_doublesha256(txidstr,txstart,len); msg->allocsize = len; return(len); }
int32_t iguana_rwvout(int32_t rwflag,struct OS_memspace *mem,uint8_t *serialized,struct iguana_msgvout *msg) { int32_t len = 0; len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->value),&msg->value); len += iguana_rwvarint32(rwflag,&serialized[len],&msg->pk_scriptlen); if ( rwflag == 0 ) msg->pk_script = iguana_memalloc(mem,msg->pk_scriptlen,1); len += iguana_rwmem(rwflag,&serialized[len],msg->pk_scriptlen,msg->pk_script); //printf("(%.8f scriptlen.%d) ",dstr(msg->value),msg->pk_scriptlen); //int i; for (i=0; i<msg->pk_scriptlen; i++) // printf("%02x",msg->pk_script[i]); //printf("\n"); return(len); }
int32_t iguana_rwvin(int32_t rwflag,struct OS_memspace *mem,uint8_t *serialized,struct iguana_msgvin *msg) { int32_t len = 0; len += iguana_rwbignum(rwflag,&serialized[len],sizeof(msg->prev_hash),msg->prev_hash.bytes); len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->prev_vout),&msg->prev_vout); len += iguana_rwvarint32(rwflag,&serialized[len],&msg->scriptlen); if ( rwflag == 0 ) msg->script = iguana_memalloc(mem,msg->scriptlen,1); len += iguana_rwmem(rwflag,&serialized[len],msg->scriptlen,msg->script); len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->sequence),&msg->sequence); //char str[65]; printf("MSGvin.(%s/v%d) script[%d]\n",bits256_str(str,msg->prev_hash),msg->prev_vout,msg->scriptlen); //int i; for (i=0; i<msg->scriptlen; i++) // printf("%02x ",msg->script[i]); //printf(" inscriptlen.%d, prevhash.%llx prev_vout.%d | ",msg->scriptlen,(long long)msg->prev_hash.txid,msg->prev_vout); return(len); }
void *OS_portable_tmpalloc(char *dirname,char *name,struct OS_memspace *mem,long origsize) { #ifdef __PNACL return(OS_nonportable_tmpalloc(dirname,name,mem,origsize)); #else char fname[1024]; void *ptr; long size; if ( mem->threadsafe != 0 ) portable_mutex_lock(&mem->mutex); if ( origsize != 0 && (mem->M.fileptr == 0 || (mem->used + origsize) > mem->totalsize) ) { //coin->TMPallocated += origsize; memset(&mem->M,0,sizeof(mem->M)); sprintf(fname,"tmp/%s/%s.%d",dirname,name,mem->counter), OS_compatible_path(fname); mem->counter++; if ( mem->totalsize == 0 ) { mem->totalsize = (1024 * 1024 * 16); } //if ( coin->R.RSPACE.size == 0 ) // coin->R.RSPACE.size = mem->size; if ( mem->totalsize > origsize ) size = mem->totalsize; else size = origsize; fprintf(stderr,"filealloc.(%s) -> ",fname); if ( OS_filealloc(&mem->M,fname,mem,size) == 0 ) { printf("couldnt map tmpfile %s\n",fname); return(0); } fprintf(stderr,"created\n"); } ptr = iguana_memalloc(mem,origsize,1); if ( mem->threadsafe != 0 ) portable_mutex_unlock(&mem->mutex); return(ptr); #endif }
int32_t iguana_msgparser(struct iguana_info *coin,struct iguana_peer *addr,struct OS_memspace *rawmem,struct OS_memspace *txmem,struct OS_memspace *hashmem,struct iguana_msghdr *H,uint8_t *data,int32_t recvlen) { uint8_t serialized[512]; char *retstr; int32_t i,retval,delay,srvmsg,bloom,intvectors,len= -100; uint64_t nonce,x; uint32_t type; bits256 hash2; bloom = intvectors = srvmsg = -1; if ( addr != 0 ) { addr->lastcontact = (uint32_t)time(NULL); strcpy(addr->lastcommand,H->command); } retval = 0; //printf("iguana_msgparser %s parse.(%s)\n",addr->ipaddr,H->command); if ( strncmp(H->command,"SuperNET",strlen("SuperNET")) == 0 ) { addr->supernet = 1; addr->msgcounts.verack++; len = recvlen; if ( (retstr= SuperNET_p2p(coin,addr,&delay,addr->ipaddr,data,recvlen,H->command[strlen("SuperNET")]=='b')) != 0 ) { iguana_send_supernet(coin,addr,retstr,delay); free(retstr); } //printf("GOT.(%s) [%s] len.%d from %s -> (%s)\n",H->command,data,recvlen,addr->ipaddr,retstr==0?"null":retstr); } else if ( strcmp(H->command,"version") == 0 ) { struct iguana_msgversion recvmv; if ( addr != 0 ) { len = iguana_rwversion(0,data,&recvmv,addr->ipaddr,recvlen); if ( len <= recvlen ) iguana_gotversion(coin,addr,&recvmv); //printf("deser.(%s) len.%d recvlen.%d\n",recvmv.H.command,len,recvlen); addr->msgcounts.version++; } } else if ( strcmp(H->command,"verack") == 0 ) { if ( addr != 0 ) { iguana_gotverack(coin,addr); addr->msgcounts.verack++; } len = 0; } else if ( strcmp(H->command,"ConnectTo") == 0 ) { iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0); len = 6; } else if ( strcmp(H->command,"ping") == 0 ) { if ( recvlen == sizeof(uint64_t) && addr != 0 ) { len = iguana_rwnum(0,data,sizeof(uint64_t),&nonce); if ( addr != 0 ) { //printf("%u got nonce.%llx from %s\n",(uint32_t)time(NULL),(long long)nonce,addr->ipaddr); iguana_gotping(coin,addr,nonce,data); addr->msgcounts.ping++; } iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0); } } else if ( strcmp(H->command,"pong") == 0 ) { len = 0; if ( recvlen == sizeof(uint64_t) ) { len = iguana_rwnum(0,data,sizeof(uint64_t),&nonce); iguana_gotpong(coin,addr,nonce); } else printf("unexpected pong recvlen.%d\n",recvlen); if ( len == recvlen && addr != 0 ) addr->msgcounts.pong++; iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0); } else if ( strcmp(H->command,"addr") == 0 ) { struct iguana_msgaddress A; len = iguana_rwvarint(0,data,&x); for (i=0; i<x; i++) { memset(&A,0,sizeof(A)); if ( addr != 0 ) len += iguana_rwaddr(0,&data[len],&A,(int32_t)addr->protover); iguana_gotaddr(coin,addr,&A); } if ( len == recvlen && addr != 0 ) { addr->lastgotaddr = (uint32_t)time(NULL); addr->msgcounts.addr++; } //printf("%s -> addr recvlen.%d num.%d\n",addr->ipaddr,recvlen,(int32_t)x); } else if ( strcmp(H->command,"headers") == 0 ) { struct iguana_msgblock msg; struct iguana_block *blocks; uint32_t n; len = iguana_rwvarint32(0,data,&n); if ( n <= IGUANA_MAXINV ) { blocks = mycalloc('i',1,sizeof(*blocks) * n); for (i=0; i<n; i++) { len += iguana_rwblock(0,&hash2,&data[len],&msg); iguana_blockconv(&blocks[i],&msg,hash2,-1); } iguana_gotheadersM(coin,addr,blocks,n); //myfree(blocks,sizeof(*blocks) * n); if ( len == recvlen && addr != 0 ) addr->msgcounts.headers++; } else printf("got unexpected n.%d for headers\n",n); //printf("GOT HEADERS n.%d len.%d\n",n,len); } else if ( strcmp(H->command,"tx") == 0 ) { struct iguana_msgtx *tx; iguana_memreset(rawmem); tx = iguana_memalloc(rawmem,sizeof(*tx),1);//mycalloc('u',1,sizeof(*tx)); len = iguana_rwtx(0,rawmem,data,tx,recvlen,&tx->txid,coin->chain->hastimestamp,strcmp(coin->symbol,"VPN")==0); iguana_gotunconfirmedM(coin,addr,tx,data,recvlen); printf("tx recvlen.%d vs len.%d\n",recvlen,len); addr->msgcounts.tx++; } else if ( strcmp(H->command,"block") == 0 ) { struct iguana_txblock txdata; if ( addr != 0 ) addr->msgcounts.block++; iguana_memreset(rawmem), iguana_memreset(txmem);//, iguana_memreset(hashmem); memset(&txdata,0,sizeof(txdata)); if ( (len= iguana_gentxarray(coin,rawmem,&txdata,&len,data,recvlen)) == recvlen ) iguana_gotblockM(coin,addr,&txdata,rawmem->ptr,H,data,recvlen); else printf("parse error block txn_count.%d, len.%d vs recvlen.%d\n",txdata.block.RO.txn_count,len,recvlen); } else if ( strcmp(H->command,"reject") == 0 ) { for (i=0; i<recvlen; i++) printf("%02x ",data[i]); printf("reject.(%s) recvlen.%d\n",data+1,recvlen); len = recvlen; if ( len == recvlen && addr != 0 ) addr->msgcounts.reject++; } else if ( strcmp(H->command,"alert") == 0 ) { for (i=0; i<recvlen; i++) printf("%02x ",data[i]); printf("alert.(%s)\n",data+1); len = recvlen; if ( len == recvlen && addr != 0 ) addr->msgcounts.alert++; } else if ( addr != 0 ) { if ( strcmp(H->command,"inv") == 0 ) intvectors = 'I', addr->msgcounts.inv++; else if ( strcmp(H->command,"notfound") == 0 ) // for servers intvectors = 'N', addr->msgcounts.notfound++; else if ( strcmp(H->command,"getdata") == 0 ) // for servers { intvectors = srvmsg = 'D', addr->msgcounts.getdata++; } else if ( strcmp(H->command,"getblocks") == 0 ) // for servers { srvmsg = 'B', addr->msgcounts.getblocks++; } else if ( strcmp(H->command,"getheaders") == 0 ) // for servers { srvmsg = 'H', addr->msgcounts.getheaders++; } else if ( strcmp(H->command,"getaddr") == 0 ) { srvmsg = 'A', addr->msgcounts.getaddr++; } else if ( strcmp(H->command,"mempool") == 0 ) srvmsg = 'M', addr->msgcounts.mempool++; else if ( strcmp(H->command,"filterload") == 0 ) // for bloom bloom = 'L', addr->msgcounts.filterload++; else if ( strcmp(H->command,"filteradd") == 0 ) // for bloom bloom = 'A', addr->msgcounts.filteradd++; else if ( strcmp(H->command,"filterclear") == 0 ) // for bloom bloom = 'C', addr->msgcounts.filterclear++; else if ( strcmp(H->command,"merkleblock") == 0 ) // for bloom bloom = 'M', addr->msgcounts.merkleblock++; } if ( bloom >= 0 || srvmsg >= 0 ) len = recvlen; // just mark as valid if ( intvectors >= 0 ) { bits256 *txids=0,*blockhashes=0,hash; int32_t n,m; len = n = m = 0; len += iguana_rwvarint(0,&data[len],&x); for (i=0; i<x; i++) { len += iguana_rwnum(0,&data[len],sizeof(uint32_t),&type); len += iguana_rwbignum(0,&data[len],sizeof(bits256),hash.bytes); if ( type == MSG_TX ) { if ( txids == 0 ) txids = mycalloc('t',(int32_t)x+1,sizeof(*txids)); txids[m++] = hash; if ( (rand() % 1000) == 0 && i == x-1 ) printf("%s iv.%c %d of %d: tx.%llx len.%d\n",addr->ipaddr,intvectors,i,(int32_t)x,(long long)hash.txid,len); } else if ( type == MSG_BLOCK ) { if ( blockhashes == 0 ) { blockhashes = mycalloc('f',(int32_t)x+1,sizeof(*blockhashes)); n = 1; } blockhashes[n++] = hash; } else if ( type == MSG_FILTERED_BLOCK ) printf("iv.%d %d of %d: merkle.%llx\n",intvectors,i,(int32_t)x,(long long)hash.txid); else printf("what type is %d\n",type); } if ( intvectors == 'I' ) { if ( n > 0 ) { if ( n != x+1 ) { printf("n.%d != x.%d -> realloc blockhashes\n",n,(int32_t)x+1); blockhashes = myrealloc('f',blockhashes,(int32_t)((x+1)*sizeof(*blockhashes)),n*sizeof(*blockhashes)); } // else printf("n.%d == x.%d\n",n,(int32_t)x); if ( 1 ) iguana_gotblockhashesM(coin,addr,blockhashes,n), blockhashes = 0; else iguana_send_hashes(coin,"getblocks",addr,blockhashes[0],&blockhashes[1],n); } if ( m > 0 ) { if ( m != x ) txids = myrealloc('t',txids,(int32_t)((x+1)*sizeof(*txids)),(m+1)*sizeof(*txids)); iguana_gottxidsM(coin,addr,txids,m), txids = 0; } } if ( txids != 0 ) myfree(txids,sizeof(*txids) * (x+1)); if ( blockhashes != 0 ) myfree(blockhashes,sizeof(*blockhashes) * (x+1)); //printf("intvectors.%c recvlen.%d\n",intvectors,recvlen); } if ( len != recvlen && len != recvlen-1 && len != recvlen-2 ) { //printf("error.(%s) (%s): len.%d != recvlen.%d\n",H->command,addr->ipaddr,len,recvlen); //for (i=0; i<len; i++) // printf("%02x",data[i]); if ( strcmp(H->command,"addr") != 0 ) printf("%s.%s len mismatch %d != %d\n",addr!=0?addr->ipaddr:"local",H->command,len,recvlen); } else if ( len != recvlen ) { printf("%s extra byte.[%02x] command.%s len.%d recvlen.%d\n",addr->ipaddr,data[recvlen-1],H->command,len,recvlen); //retval = -1; } return(retval); }