char *gecko_headersarrived(struct supernet_info *myinfo,struct iguana_info *virt,char *remoteaddr,uint8_t *data,int32_t datalen,bits256 firsthash2)
{
bits256 hash2,prevhash2; struct iguana_block *block; int32_t height,firstheight,i,len=0,n,num; struct iguana_msgzblock zmsgB; char str[65],str2[65];
num = (int32_t)(datalen / 84);
printf("headers.%s arrived.%d from %s\n",virt->symbol,num,bits256_str(str,firsthash2));
if ( (block= iguana_blockfind("geckohdrs",virt,firsthash2)) != 0 && (firstheight= block->height) >= 0 )
{
gecko_blockhashupdate(virt,firsthash2,firstheight);
prevhash2 = firsthash2;
for (i=0; i<num; i++)
{
if ( (n= iguana_rwblock(myinfo,virt->symbol,virt->chain->zcash,virt->chain->auxpow,virt->chain->hashalgo,0,&hash2,&data[len],&zmsgB,datalen-len)) > 0 )
{
if ( bits256_cmp(zmsgB.zH.prev_block,prevhash2) == 0 )
{
height = (firstheight + i + 1);
gecko_blockhashupdate(virt,hash2,height);
printf("ht.%d %s\n",height,bits256_str(str,hash2));
} else printf("ht.%d non prevhash i.%d %s %s\n",height,i,bits256_str(str,prevhash2),bits256_str(str2,zmsgB.zH.prev_block));
len += n;
prevhash2 = hash2;
}
}
return(clonestr("{\"result\":\"gecko headers processed\"}"));
} else return(clonestr("{\"error\":\"gecko headers couldnt find firsthash2\"}"));
}
HASH_AND_INT(ramchain,getblock,blockhash,remoteonly)
{
int32_t len; char hexstr[(sizeof(uint32_t)+sizeof(struct iguana_msgblock))*2+1],*blockstr;
uint8_t serialized[sizeof(uint32_t)+sizeof(struct iguana_msgblock)]; bits256 hash2,txid;
struct iguana_msgblock msg; struct iguana_block *block;
cJSON *retjson = cJSON_CreateObject();
memset(&msg,0,sizeof(msg));
if ( remoteonly == 0 && (block= iguana_blockfind(coin,blockhash)) != 0 )
{
msg.H.version = block->RO.version;
msg.H.merkle_root = block->RO.merkle_root;
msg.H.timestamp = block->RO.timestamp;
msg.H.bits = block->RO.bits;
msg.H.nonce = block->RO.nonce;
msg.txn_count = block->RO.txn_count;
len = iguana_rwblock(1,&hash2,serialized,&msg);
char str[65]; printf("timestamp.%u bits.%u nonce.%u v.%d (%s) len.%d (%ld %ld)\n",block->RO.timestamp,block->RO.bits,block->RO.nonce,block->RO.version,bits256_str(str,hash2),len,sizeof(serialized),sizeof(hexstr));
init_hexbytes_noT(hexstr,serialized,len);
jaddstr(retjson,"result",hexstr);
}
else if ( coin->APIblockstr != 0 )
jaddstr(retjson,"error","already have pending request");
else
{
memset(txid.bytes,0,sizeof(txid));
if ( (blockstr= iguana_APIrequest(coin,blockhash,txid,5)) != 0 )
{
jaddstr(retjson,"result",blockstr);
free(blockstr);
} else jaddstr(retjson,"error","cant find blockhash");
}
return(jprint(retjson,1));
}
HASH_AND_TWOINTS(bitcoinrpc,getblock,blockhash,verbose,remoteonly)
{
char *blockstr,*datastr; struct iguana_msgblock msg; struct iguana_block *block; cJSON *retjson; bits256 txid; int32_t len;
retjson = cJSON_CreateObject();
memset(&msg,0,sizeof(msg));
if ( remoteonly == 0 && (block= iguana_blockfind("getblockRPC",coin,blockhash)) != 0 )
{
if ( verbose != 0 )
return(jprint(iguana_blockjson(coin,block,1),1));
else
{
if ( (len= iguana_peerblockrequest(coin,coin->blockspace,coin->blockspacesize,0,blockhash,0)) > 0 )
{
datastr = malloc(len*2 + 1);
init_hexbytes_noT(datastr,coin->blockspace,len);
jaddstr(retjson,"result",datastr);
free(datastr);
return(jprint(retjson,1));
}
jaddstr(retjson,"error","error getting rawblock");
}
}
else if ( coin->APIblockstr != 0 )
jaddstr(retjson,"error","already have pending request");
else
{
memset(txid.bytes,0,sizeof(txid));
if ( (blockstr= iguana_APIrequest(coin,blockhash,txid,5)) != 0 )
{
jaddstr(retjson,"result",blockstr);
free(blockstr);
} else jaddstr(retjson,"error","cant find blockhash");
}
return(jprint(retjson,1));
}
int32_t basilisk_respond_geckogetheaders(struct supernet_info *myinfo,struct iguana_info *virt,uint8_t *serialized,int32_t maxsize,cJSON *valsobj,bits256 hash2)
{
int32_t i,n,num,height,len=0; struct iguana_block *block;
if ( (block= iguana_blockfind("geckohdr",virt,hash2)) != 0 )
{
if ( (height= block->height) >= 0 )
{
if ( (num= juint(valsobj,"num")) == 0 || num > virt->chain->bundlesize )
num = virt->chain->bundlesize;
for (i=0; i<num; i++)
{
if ( block != 0 )
{
if ( (n= iguana_headerget(myinfo,virt,&serialized[len],maxsize-len,block)) > 0 )
len += n;
}
hash2 = iguana_blockhash(virt,height+i+1);
block = iguana_blockfind("geckohdri",virt,hash2);
}
return(len);
}
}
return(-1);
}
uint32_t gecko_nBits(struct iguana_info *virt,uint32_t *prevtimestampp,struct iguana_block *block,int32_t n)
{
uint32_t nBits = GECKO_DEFAULTDIFF,starttime,endtime,est; struct iguana_block *prev=0; int32_t i,diff; bits256 targetval;
*prevtimestampp = 0;
if ( virt->chain->estblocktime == 0 )
return(GECKO_EASIESTDIFF);
for (i=0; i<n; i++)
{
if ( (prev= iguana_blockfind("geckotx",virt,block->RO.prev_block)) == 0 || prev->height == 0 )
{
i++;
break;
}
if ( i == 0 )
{
*prevtimestampp = endtime = prev->RO.timestamp;
nBits = prev->RO.bits;
}
starttime = prev->RO.timestamp;
block = prev;
}
if ( starttime != 0 && endtime > starttime && i > 1 )
{
diff = (endtime - starttime);
est = virt->chain->estblocktime * i;
targetval = bits256_from_compact(nBits);
if ( diff > est )
{
targetval = bits256_ave(targetval,bits256_ave(targetval,bits256_rshift(targetval)));
}
else if ( diff < est )
{
if ( nBits == GECKO_EASIESTDIFF )
return(GECKO_EASIESTDIFF);
targetval = bits256_ave(targetval,bits256_ave(targetval,bits256_lshift(targetval)));
}
//printf("diff.%d est.%d nBits.%08x <- %08x\n",diff,virt->chain->estblocktime * i,bits256_to_compact(targetval),nBits);
nBits = bits256_to_compact(targetval);
}
if ( nBits > GECKO_EASIESTDIFF )
{
//printf("nBits.%08x vs easiest %08x\n",nBits,GECKO_EASIESTDIFF);
nBits = GECKO_EASIESTDIFF;
}
return(nBits);
}