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225 lines
11 KiB
225 lines
11 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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// included from gecko.c
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char *gecko_headersarrived(struct supernet_info *myinfo,struct iguana_info *virt,char *remoteaddr,uint8_t *data,int32_t datalen,bits256 hash2)
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{
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return(clonestr("{\"result\":\"gecko headers queued\"}"));
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}
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char *gecko_txarrived(struct supernet_info *myinfo,struct iguana_info *virt,char *remoteaddr,uint8_t *serialized,int32_t datalen,bits256 txid)
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{
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struct gecko_mempool *pool; int64_t txfee,vinstotal,voutstotal; uint64_t hdrsi_unspentind,value; int32_t i,numvins,numvouts,txlen,spentheight,minconf,maxconf,unspentind,hdrsi; struct gecko_mempooltx *mtx; struct iguana_msgtx msg;
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memset(&msg,0,sizeof(msg));
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iguana_memreset(&virt->TXMEM);
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txlen = iguana_rwtx(virt->chain->zcash,0,&virt->TXMEM,serialized,&msg,datalen,&txid,virt->chain->isPoS,strcmp("VPN",virt->symbol) == 0);
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vinstotal = voutstotal = 0;
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maxconf = virt->longestchain;
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minconf = virt->chain->minconfirms;
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if ( (numvins= msg.tx_in) > 0 )
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{
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for (i=0; i<numvins; i++)
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{
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if ( (unspentind= iguana_unspentindfind(virt,0,0,0,&value,&spentheight,msg.vins[i].prev_hash,msg.vins[i].prev_vout,virt->bundlescount-1)) != 0 )
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{
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hdrsi = spentheight / virt->chain->bundlesize;
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hdrsi_unspentind = ((uint64_t)hdrsi << 32) | unspentind;
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if ( iguana_unspentavail(virt,hdrsi_unspentind,minconf,maxconf) != value )
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{
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printf("vin.%d already spent\n",i);
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return(clonestr("{\"error\":\"gecko tx has double spend\"}"));
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}
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vinstotal += value;
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}
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}
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}
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if ( (numvouts= msg.tx_out) > 0 )
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for (i=0; i<numvouts; i++)
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voutstotal += msg.vouts[i].value;
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if ( (txfee= (vinstotal - voutstotal)) < 0 )
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return(clonestr("{\"error\":\"gecko tx has more spends than inputs\"}"));
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if ( txlen <= 0 )
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return(clonestr("{\"error\":\"couldnt decode gecko tx\"}"));
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if ( (pool= virt->mempool) == 0 )
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pool = virt->mempool = calloc(1,sizeof(*pool));
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mtx = &pool->txs[pool->numtx];
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memset(mtx,0,sizeof(*mtx));
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mtx->txid = txid;
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mtx->txfee = txfee;
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mtx->ipbits = (uint32_t)calc_ipbits(remoteaddr);
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mtx->rawtx = calloc(1,datalen*2 + 1);
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init_hexbytes_noT(mtx->rawtx,serialized,datalen);
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return(clonestr("{\"result\":\"gecko tx queued\"}"));
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}
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struct iguana_bundle *gecko_ensurebundle(struct iguana_info *virt,struct iguana_block *block,int32_t origheight,int32_t depth)
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{
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int32_t hdrsi,bundlei,checkbundlei,height = origheight; bits256 zero; struct iguana_bundle *bp = 0;
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memset(zero.bytes,0,sizeof(zero));
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bundlei = (height % virt->chain->bundlesize);
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hdrsi = (height / virt->chain->bundlesize);
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if ( bundlei == 0 )
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{
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if ( hdrsi+1 > virt->bundlescount )
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virt->bundlescount = hdrsi + 1;
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return(iguana_bundlecreate(virt,&checkbundlei,origheight,block->RO.hash2,zero,0));
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}
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/*for (iter=0; iter<2; iter++)
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{
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prev = block;
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height = block->height;
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for (i=0; i<depth; i++,height--)
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{
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if ( prev == 0 || height < 0 )
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return(0);
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bundlei = (height % virt->chain->bundlesize);
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hdrsi = (height / virt->chain->bundlesize);
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if ( iter == 1 )
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{
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if ( (bp= virt->bundles[hdrsi]) != 0 )
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{
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iguana_hash2set(virt,"ensure",bp,bundlei,prev->RO.hash2);
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bp->blocks[bundlei] = prev;
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bp->hashes[bundlei] = prev->RO.hash2;
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}
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else
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{
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printf("cant find bundle for ht.%d\n",height);
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return(0);
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}
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}
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else if ( bundlei == 0 && virt->bundles[hdrsi] == 0 )
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iguana_bundlecreate(virt,&checkbundlei,height,prev->RO.hash2,zero,0);
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prev = iguana_blockfind("geckoensure",virt,prev->RO.prev_block);
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}
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if ( iter == 0 )
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{
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char str[65];
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bundlei = (origheight % virt->chain->bundlesize);
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hdrsi = (origheight / virt->chain->bundlesize);
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if ( (bp= virt->bundles[hdrsi]) != 0 )
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iguana_hash2set(virt,"ensure",bp,bundlei,block->RO.hash2);
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if ( iguana_bundlefind(virt,&bp,&bundlei,block->RO.hash2) == 0 )
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printf("cant find ht.%d %s\n",block->height,bits256_str(str,block->RO.hash2));
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}
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}*/
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hdrsi = (block->height / virt->chain->bundlesize);
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if ( (bp= virt->bundles[hdrsi]) == 0 )
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printf("error ensuring bundle ht.%d\n",origheight);
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else
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{
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bp->blocks[bundlei] = block;
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bp->hashes[bundlei] = block->RO.hash2;
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//char str[65]; printf("[%d:%d] <- %s %p\n",hdrsi,bundlei,bits256_str(str,block->RO.hash2),block);
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iguana_hash2set(virt,"ensure",bp,bundlei,block->RO.hash2);
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}
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return(bp);
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}
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int32_t gecko_hwmset(struct iguana_info *virt,struct iguana_txblock *txdata,struct iguana_msgtx *txarray,uint8_t *data,int32_t datalen,int32_t depth)
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{
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struct iguana_peer *addr; int32_t hdrsi; struct iguana_bundle *bp,*prevbp; struct iguana_block *block;
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if ( (block= iguana_blockhashset("gecko_hwmset",virt,txdata->zblock.height,txdata->zblock.RO.hash2,1)) != 0 )
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{
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iguana_blockcopy(virt->chain->zcash,virt->chain->auxpow,virt,block,(struct iguana_block *)&txdata->zblock);
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} else return(-1);
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addr = &virt->internaladdr;
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if ( gecko_ensurebundle(virt,block,block->height,depth) == 0 )
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return(-1);
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if ( iguana_ramchain_data(virt,addr,txdata,txarray,block->RO.txn_count,data,datalen) >= 0 )
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{
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block->fpipbits = (uint32_t)addr->ipbits;
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block->RO.recvlen = datalen;
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block->txvalid = 1;
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iguana_blockzcopy(virt->chain->zcash,(void *)&virt->blocks.hwmchain,block);
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hdrsi = block->height / virt->chain->bundlesize;
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if ( (bp= virt->bundles[hdrsi]) != 0 )
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{
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bp->numsaved++;
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if ( (block->height % virt->chain->bundlesize) == 13 && hdrsi > 0 && (prevbp= virt->bundles[hdrsi - 1]) != 0 && prevbp->emitfinish == 0 && prevbp->numsaved >= prevbp->n )
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{
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iguana_bundlefinalize(virt,prevbp,&virt->MEM,virt->MEMB);
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prevbp->emitfinish = (uint32_t)(time(NULL) - 3600);
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iguana_bundlepurgefiles(virt,prevbp);
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iguana_savehdrs(virt);
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iguana_bundlevalidate(virt,prevbp,1);
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}
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}
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//printf("created block.%d [%d:%d] %d\n",block->height,bp!=0?bp->hdrsi:-1,block->height%virt->chain->bundlesize,bp->numsaved);
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return(block->height);
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}
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return(-1);
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}
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char *gecko_blockarrived(struct supernet_info *myinfo,struct iguana_info *virt,char *remoteaddr,uint8_t *data,int32_t datalen,bits256 hash2)
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{
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struct iguana_txblock txdata; int32_t valid,adjacent,n,i,j,len = -1; struct iguana_block *block,*prev;
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memset(&txdata,0,sizeof(txdata));
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iguana_memreset(&virt->TXMEM);
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if ( (n= iguana_gentxarray(virt,&virt->TXMEM,&txdata,&len,data,datalen)) == datalen )
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{
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if ( bits256_cmp(hash2,txdata.zblock.RO.hash2) != 0 )
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{
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printf("gecko_blockarrived: mismatched hash2\n");
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return(clonestr("{\"error\":\"gecko block hash2 mismatch\"}"));
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}
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txdata.zblock.RO.allocsize = iguana_ROallocsize(virt);
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if ( iguana_blockvalidate(virt,&valid,(struct iguana_block *)&txdata.zblock,1) < 0 )
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{
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char str[65]; printf("got block that doesnt validate? %s\n",bits256_str(str,txdata.zblock.RO.hash2));
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return(clonestr("{\"error\":\"gecko block didnt validate\"}"));
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}
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if ( (block= iguana_blockfind("geckoblock",virt,hash2)) == 0 )
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{
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if ( (block= iguana_blockhashset("geckoblock",virt,-1,hash2,1)) == 0 )
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return(clonestr("{\"error\":\"gecko block couldnt be created\"}"));
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}
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iguana_blockcopy(virt->chain->zcash,virt->chain->auxpow,virt,block,(struct iguana_block *)&txdata.zblock);
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prev = block;
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adjacent = -1;
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for (i=0; i<virt->chain->bundlesize; i++)
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{
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if ( (prev= iguana_blockfind("geckoprev",virt,prev->RO.prev_block)) == 0 )
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return(clonestr("{\"error\":\"gecko block is orphan\"}"));
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if ( i == 0 )
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adjacent = prev->height;
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//printf("i.%d prevht.%d adjacent.%d hwm.%d\n",i,prev->height,adjacent,virt->blocks.hwmchain.height);
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if ( prev->height >= 0 )
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{
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txdata.zblock.height = block->height = adjacent + 1;
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if ( block->height > virt->blocks.hwmchain.height ) // longest chain wins
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{
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//printf("new HWM %d adjacent.%d prev.%d i.%d\n",block->height,adjacent,prev->height,i);
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txdata.zblock.mainchain = block->mainchain = 1;
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prev = block;
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// probably should clear mainchain bits in old path
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for (j=0; j<=i; j++)
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{
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if ( (prev= iguana_blockfind("geckoprev",virt,prev->RO.prev_block)) == 0 )
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return(clonestr("{\"error\":\"gecko block mainchain link error\"}"));
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prev->mainchain = 1;
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}
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if ( gecko_hwmset(virt,&txdata,virt->TXMEM.ptr,data,datalen,i+1) >= 0 )
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return(clonestr("{\"result\":\"gecko block created\"}"));
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else return(clonestr("{\"error\":\"gecko error creating hwmblock\"}"));
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} else return(clonestr("{\"results\":\"gecko block wasnt hwmblock\"}"));
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}
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}
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return(clonestr("{\"error\":\"gecko orphan block\"}"));
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}
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return(clonestr("{\"error\":\"gecko block didnt decode\"}"));
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}
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