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403 lines
20 KiB
403 lines
20 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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void gecko_txidpurge(struct iguana_info *virt,bits256 txid)
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{
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struct gecko_mempool *pool; int32_t i,n; struct gecko_memtx *memtx;
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if ( (pool= virt->mempool) != 0 && pool->txs != 0 && (n= pool->numtx) )
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{
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for (i=0; i<n; i++)
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{
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if ( (memtx= pool->txs[i]) != 0 && bits256_cmp(txid,memtx->txid) == 0 )
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{
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free(pool->txs[i]);
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pool->txs[i] = pool->txs[--pool->numtx];
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}
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}
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}
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if ( virt->FULLNODE != 0 )
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{
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for (i=0; i<BASILISK_MAXRELAYS; i++)
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{
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if ( (pool= virt->mempools[i]) != 0 && (n= pool->numtx) != 0 )
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{
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for (i=0; i<n; i++)
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{
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if ( bits256_cmp(txid,pool->txids[i]) == 0 )
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{
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pool->txids[i] = pool->txids[--pool->numtx];
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memset(pool->txids[pool->numtx].bytes,0,sizeof(pool->txids[pool->numtx]));
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}
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}
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}
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}
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}
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}
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struct iguana_bundle *gecko_bundleset(struct iguana_info *virt,struct iguana_block *block)
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{
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int32_t hdrsi,bundlei; struct iguana_bundle *bp;
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hdrsi = (block->height / virt->chain->bundlesize);
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bundlei = (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",block->height);
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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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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;
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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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return(gecko_bundleset(virt,block));
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}
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int32_t gecko_hwmset(struct supernet_info *myinfo,struct iguana_info *virt,struct iguana_txblock *txdata,struct iguana_msgtx *txarray,uint8_t *data,int32_t datalen,int32_t depth,int32_t verifyonly)
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{
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struct iguana_peer *addr; int32_t i,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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{
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printf("no bundle for %s.%d\n",virt->symbol,block->height);
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return(-1);
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}
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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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if ( verifyonly == 0 )
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{
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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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block->hdrsi = hdrsi;
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block->height =
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block->bundlei = (block->height % virt->chain->bundlesize);
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if ( block->queued == 0 )
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{
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block->req = calloc(1,datalen + sizeof(datalen));
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memcpy(block->req,&datalen,sizeof(datalen));
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memcpy((void *)((long)block->req + sizeof(datalen)),data,datalen);
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block->queued = 1;
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}
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if ( (bp= virt->bundles[hdrsi]) != 0 )
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{
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bp->numsaved = 0;
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for (i=0; i<virt->chain->bundlesize; i++)
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if ( bp->blocks[i] != 0 && bp->blocks[i]->txvalid != 0 )
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bp->numsaved++;
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virt->current = bp;
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//iguana_RTspendvectors(myinfo,virt,bp);
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//iguana_RTramchainalloc("RTbundle",virt,bp);
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printf("update virtchain balances\n");
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//iguana_update_balances(virt);
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//iguana_realtime_update(myinfo,virt);
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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(myinfo,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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for (i=0; i<block->RO.txn_count; i++)
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gecko_txidpurge(virt,txarray[i].txid);
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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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}
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return(block->height);
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} else printf("Error updating virt ramchain\n");
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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,int32_t verifyonly)
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{
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struct iguana_txblock txdata; int32_t height,valid,adjacent,gap,n,i,j,len = -1; struct iguana_block *block,*prev; struct iguana_txid tx; char str[65],str2[65]; bits256 txid,threshold; struct iguana_msgtx *txs;
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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 || n == datalen-1 )
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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.%s vs %s\n",bits256_str(str,hash2),bits256_str(str2,txdata.zblock.RO.hash2));
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return(clonestr("{\"error\":\"gecko block hash2 mismatch\"}"));
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}
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if ( txdata.zblock.RO.bits >= GECKO_EASIESTDIFF )
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threshold = bits256_from_compact(GECKO_EASIESTDIFF);
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else threshold = bits256_from_compact(txdata.zblock.RO.bits);
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if ( bits256_cmp(threshold,hash2) <= 0 )
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{
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printf("gecko_blockarrived: failed nBits diff\n");
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return(clonestr("{\"error\":\"gecko block failed nBits diff\"}"));
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}
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txs = virt->TXMEM.ptr;
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for (i=0; i<txdata.zblock.RO.txn_count; i++)
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{
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txid = txs[i].txid;
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if ( iguana_txidfind(virt,&height,&tx,txid,virt->bundlescount-1) != 0 && height >= 0 )
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{
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printf("gecko_blockarrived: duplicate.[%d] txid.%s\n",i,bits256_str(str,txid));
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return(clonestr("{\"error\":\"gecko block duplicate txid\"}"));
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} else printf("%s is new txid ht.%d i.%d\n",bits256_str(str,txid),virt->blocks.hwmchain.height,i);
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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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//char str2[65];
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//printf("scan back.%d: prev.%s hwm.%s ht.%d\n",i,bits256_str(str,prev->RO.prev_block),bits256_str(str2,virt->blocks.hwmchain.RO.hash2),virt->blocks.hwmchain.height);
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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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{
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adjacent = prev->height;
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block->height = (prev->height + 1);
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}
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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 && prev->mainchain != 0 )
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{
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if ( (adjacent + 1) > 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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if ( (gap= (block->height - virt->blocks.hwmchain.height)) > 1 )
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{
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prev = iguana_blockfind("geckoclear",virt,virt->blocks.hwmchain.RO.prev_block);
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for (j=0; j<gap && prev!=0; j++)
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{
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printf("%d of %d: protected.%d unlink %s ht.%d from mainchain, newhwm ht.%d\n",j,gap,prev->protected,bits256_str(str,prev->RO.hash2),prev->height,block->height);
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if ( prev->protected != 0 )
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{
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printf("REJECT block: cant overwrite protected block\n");
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return(clonestr("{\"error\":\"gecko block cant override protected block\"}"));
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}
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prev->mainchain = 0;
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prev = iguana_blockfind("geckoclrprev",virt,prev->RO.prev_block);
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}
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}
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prev = block;
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for (j=0; j<=i+1; j++)
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{
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if ( prev->protected == 0 || prev->height == (adjacent + 1 - j) )
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{
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if ( prev->mainchain != 1 )
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prev->mainchain = 1;
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if ( prev->height != (adjacent + 1 - j) )
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prev->height = (adjacent + 1 - j);
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gecko_ensurebundle(virt,prev,prev->height,0);
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//gecko_bundleset(virt,prev);
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if ( prev->height == 0 )
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break;
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}
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else
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{
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printf("REJECT block: cant change height of protected block: ht.%d vs %d\n",adjacent + 1 - j, prev->height);
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return(clonestr("{\"error\":\"gecko block cant override protected block's height\"}"));
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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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}
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txdata.zblock.height = block->height;
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txdata.zblock.mainchain = block->mainchain = 1;
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if ( gecko_hwmset(myinfo,virt,&txdata,virt->TXMEM.ptr,data,datalen,i+1,verifyonly) >= 0 )
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{
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block->txvalid = block->valid = 1;
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if ( block->height > virt->longestchain )
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virt->longestchain = block->height;
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virt->backstoptime = (uint32_t)time(NULL);
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return(clonestr("{\"result\":\"gecko block created\"}"));
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}
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else return(clonestr("{\"error\":\"gecko error creating hwmblock\"}"));
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} else return(clonestr("{\"result\":\"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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} else printf("blockarrived error generating txlist\n");
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return(clonestr("{\"error\":\"gecko block didnt decode\"}"));
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}
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char *basilisk_respond_geckoblock(struct supernet_info *myinfo,char *CMD,void *addr,char *remoteaddr,uint32_t basilisktag,cJSON *valsobj,uint8_t *data,int32_t datalen,bits256 hash2,int32_t from_basilisk)
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{
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char *symbol; struct iguana_info *virt; bits256 checkhash2; int32_t hdrsize; struct iguana_msgblock msg; struct iguana_block *block;
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//printf("got geckoblock len.%d from (%s) %s\n",datalen,remoteaddr!=0?remoteaddr:"",jprint(valsobj,0));
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if ( (symbol= jstr(valsobj,"symbol")) != 0 && (virt= iguana_coinfind(symbol)) != 0 )
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{
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if ( (block= iguana_blockfind("geckoblock",virt,hash2)) != 0 )
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{
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char str[65];
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if ( block->height == juint(valsobj,"height") )
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return(0);
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printf("REJECT: duplicate block %s\n",bits256_str(str,hash2));
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return(clonestr("{\"error\":\"duplicate block rejected\"}"));
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}
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hdrsize = (virt->chain->zcash != 0) ? sizeof(struct iguana_msgblockhdr_zcash) : sizeof(struct iguana_msgblockhdr);
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//nBits = gecko_nBits(virt,&prevtimestamp,(struct iguana_block *)&virt->blocks.hwmchain,GECKO_DIFFITERS);
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//if ( gecko_blocknonce_verify(virt,data,hdrsize,nBits,virt->blocks.hwmchain.RO.timestamp,prevtimestamp) > 0 )
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{
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iguana_rwblock(symbol,virt->chain->zcash,virt->chain->auxpow,virt->chain->hashalgo,0,&checkhash2,data,&msg,datalen);
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if ( bits256_cmp(hash2,checkhash2) == 0 )
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{
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if ( gecko_blocknonce_verify(virt,data,hdrsize,msg.H.bits,0,0) > 0 )
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return(gecko_blockarrived(myinfo,virt,addr,data,datalen,hash2,0));
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else return(clonestr("{\"error\":\"block nonce didnt verify\"}"));
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} else return(clonestr("{\"error\":\"block error with checkhash2\"}"));
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}
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}
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return(0);
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}
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int32_t basilisk_blocksubmit(struct supernet_info *myinfo,struct iguana_info *btcd,struct iguana_info *virt,struct iguana_peer *addr,char *blockstr,bits256 hash2,int32_t height)
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{
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int32_t i,datalen,num,numerrs,numresults=0; uint8_t *data,space[16384],*allocptr; cJSON *valsobj=0,*retjson,*retarray,*item; char *str,*str2,*othercoin; bits256 othertip;
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//printf("blocksubmit.(%s)\n",blockstr);
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if ( (data= get_dataptr(sizeof(struct iguana_msghdr) + BASILISK_HDROFFSET,&allocptr,&datalen,space,sizeof(space),blockstr)) != 0 )
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{
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if ( (str= gecko_blockarrived(myinfo,virt,"127.0.0.1",data,datalen,hash2,0)) != 0 )
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{
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if ( (retjson= cJSON_Parse(str)) != 0 )
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{
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if ( jobj(retjson,"error") == 0 )
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{
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valsobj = cJSON_CreateObject();
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jaddnum(valsobj,"minresults",NUMRELAYS - 1);
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jaddnum(valsobj,"timeout",3000);
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jaddnum(valsobj,"fanout",-1);
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jaddnum(valsobj,"height",height);
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jaddstr(valsobj,"symbol",virt->symbol);
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if ( (str2= basilisk_standardservice("BLK",myinfo,addr,hash2,valsobj,blockstr,0)) != 0 )
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{
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if ( 0 && (retarray= cJSON_Parse(str2)) != 0 )
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{
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numerrs = numresults = 0;
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if ( (num= cJSON_GetArraySize(retarray)) > 0 )
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{
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for (i=0; i<num; i++)
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{
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item = jitem(retarray,i);
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if ( jobj(item,"error") != 0 )
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numerrs++;
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else if ( jstr(item,"result") != 0 )
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{
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if ( (othercoin= jstr(item,"symbol")) != 0 && strcmp(othercoin,virt->symbol) == 0 && juint(item,"hwm") == height )
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{
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othertip = jbits256(item,"chaintip");
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if ( bits256_cmp(hash2,othertip) == 0 )
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numresults++;
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else numerrs++;
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} else numerrs++;
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}
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}
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}
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printf("%s got responses.%d good.%d errs.%d (%s)\n","BLK",num,numresults,numerrs,str2);
|
|
free_json(retarray);
|
|
}
|
|
free(str2);
|
|
}
|
|
free_json(valsobj);
|
|
}
|
|
free_json(retjson);
|
|
}
|
|
free(str);
|
|
/*#ifndef __APPLE__
|
|
if ( numresults >= (myinfo->numrelays >> 1) )
|
|
#endif
|
|
{
|
|
if ( (str= gecko_blockarrived(myinfo,virt,"127.0.0.1",data,datalen,hash2,0)) != 0 )
|
|
free(str);
|
|
}*/
|
|
}
|
|
} else printf("basilisk_blocksumbit dataptr error\n");
|
|
if ( allocptr != 0 )
|
|
free(allocptr);
|
|
return(numresults);
|
|
}
|
|
|
|
int32_t basilisk_respond_geckogetblock(struct supernet_info *myinfo,struct iguana_info *virt,uint8_t *serialized,int32_t maxsize,cJSON *valsobj,bits256 hash2)
|
|
{
|
|
int32_t datalen = 0; char str[65];
|
|
printf("GOT request for block.(%s)\n",bits256_str(str,hash2));
|
|
// find block and set serialized
|
|
return(datalen);
|
|
}
|
|
|