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Test

etomic
jl777 7 years ago
parent
2905ea6322
commit
857b20e8a5
3 changed files with 55 additions and 32 deletions
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  1. 1
      iguana/exchanges/LP_nativeDEX.c
  2. 30
      iguana/exchanges/LP_ordermatch.c
  3. 56
      iguana/exchanges/LP_utxo.c

1
iguana/exchanges/LP_nativeDEX.c
View File

@ -21,6 +21,7 @@
//
// SPV at tx level and limit SPV proofing
// stats, fix pricearray
// sign packets
// dPoW security

30
iguana/exchanges/LP_ordermatch.c
View File

@ -441,17 +441,33 @@ int32_t LP_nanobind(void *ctx,char *pairstr)
return(pairsock);
}
int32_t LP_nearest_utxovalue(int32_t noSPV,struct LP_address_utxo **utxos,int32_t n,uint64_t targetval)
int32_t LP_nearest_utxovalue(struct iguana_info *coin,struct LP_address_utxo **utxos,int32_t n,uint64_t targetval)
{
int32_t i,mini = -1; int64_t dist; uint64_t mindist = (1LL << 60);
int32_t i,mini = -1; struct LP_address_utxo *up; struct electrum_info *backupep=0,*ep; char str[65]; int64_t dist; uint64_t mindist = (1LL << 60);
if ( (ep= coin->electrum) != 0 )
{
if ( (backupep= ep->prev) == 0 )
backupep = ep;
}
for (i=0; i<n; i++)
{
if ( utxos[i] != 0 && (noSPV != 0 || (utxos[i]->spendheight == 0 && utxos[i]->SPV > 0)) )
if ( (up= utxos[i]) != 0 && up->spendheight == 0 )
{
dist = (utxos[i]->U.value - targetval);
if ( coin->electrum != 0 )
{
if (up->SPV == 0 )
up->SPV = LP_merkleproof(coin,backupep,up->U.txid,up->U.height);
printf("%s %s: SPV.%d\n",coin->symbol,bits256_str(str,up->U.txid),up->SPV);
if ( up->SPV < 0 )
{
printf("SPV failure for %s %s\n",coin->symbol,bits256_str(str,up->U.txid));
continue;
}
}
dist = (up->U.value - targetval);
if ( dist >= 0 && dist < mindist )
{
printf("(%.8f %.8f %.8f).%d ",dstr(utxos[i]->U.value),dstr(dist),dstr(mindist),mini);
printf("(%.8f %.8f %.8f).%d ",dstr(up->U.value),dstr(dist),dstr(mindist),mini);
mini = i;
mindist = dist;
}
@ -484,12 +500,12 @@ struct LP_utxoinfo *LP_address_utxopair(int32_t iambob,struct LP_address_utxo **
printf("targetval %.8f vol %.8f price %.8f txfee %.8f %s\n",dstr(targetval),relvolume,price,dstr(txfee),coinaddr);
}
mini = -1;
if ( targetval != 0 && (mini= LP_nearest_utxovalue(coin->electrum == 0,utxos,m,targetval)) >= 0 && (double)utxos[mini]->U.value/targetval < LP_MINVOL-1 )
if ( targetval != 0 && (mini= LP_nearest_utxovalue(coin,utxos,m,targetval)) >= 0 && (double)utxos[mini]->U.value/targetval < LP_MINVOL-1 )
{
up = utxos[mini];
utxos[mini] = 0;
targetval2 = (targetval / 8) * 9 + 2*txfee;
if ( (mini= LP_nearest_utxovalue(coin->electrum == 0,utxos,m,targetval2 * 1.01)) >= 0 )
if ( (mini= LP_nearest_utxovalue(coin,utxos,m,targetval2 * 1.01)) >= 0 )
{
if ( up != 0 && (up2= utxos[mini]) != 0 )
{

56
iguana/exchanges/LP_utxo.c
View File

@ -302,9 +302,37 @@ bits256 validate_merkle(int32_t pos,bits256 txid,cJSON *proofarray,int32_t proof
return(hash);
}
int32_t LP_merkleproof(struct iguana_info *coin,struct electrum_info *ep,bits256 txid,int32_t height)
{
cJSON *merkobj,*merkles,*hdrobj; bits256 roothash,merkleroot; int32_t m,SPV = 0;
if ( (merkobj= electrum_getmerkle(coin->symbol,ep,&merkobj,txid,height)) != 0 )
{
char str[65],str2[65],str3[65];
SPV = -1;
memset(roothash.bytes,0,sizeof(roothash));
if ( (merkles= jarray(&m,merkobj,"merkle")) != 0 )
{
roothash = validate_merkle(jint(merkobj,"pos"),txid,merkles,m);
if ( (hdrobj= electrum_getheader(coin->symbol,ep,&hdrobj,height)) != 0 )
{
merkleroot = jbits256(hdrobj,"merkle_root");
if ( bits256_cmp(merkleroot,roothash) == 0 )
{
SPV = height;
//printf("validated MERK %s ht.%d -> %s root.(%s)\n",bits256_str(str,up->U.txid),up->U.height,jprint(merkobj,0),bits256_str(str2,roothash));
}
else printf("ERROR MERK %s ht.%d -> %s root.(%s) vs %s\n",bits256_str(str,txid),height,jprint(merkobj,0),bits256_str(str2,roothash),bits256_str(str3,merkleroot));
free_json(hdrobj);
}
}
free_json(merkobj);
}
return(SPV);
}
cJSON *LP_address_utxos(struct iguana_info *coin,char *coinaddr,int32_t electrumret)
{
cJSON *array,*item,*merkobj,*merkles,*hdrobj; int32_t n,m; uint64_t total; struct LP_address *ap=0,*atmp; struct LP_address_utxo *up,*tmp; bits256 merkleroot,roothash; struct electrum_info *ep,*backupep=0;
cJSON *array,*item; int32_t n; uint64_t total; struct LP_address *ap=0,*atmp; struct LP_address_utxo *up,*tmp; struct electrum_info *ep,*backupep=0;
array = cJSON_CreateArray();
if ( coinaddr != 0 && coinaddr[0] != 0 )
{
@ -321,30 +349,8 @@ cJSON *LP_address_utxos(struct iguana_info *coin,char *coinaddr,int32_t electrum
{
if ( up->spendheight <= 0 && up->U.height > 0 )
{
if ( ep != 0 && up->SPV == 0 && up->U.height > 0 )
{
if ( (merkobj= electrum_getmerkle(coin->symbol,backupep,&merkobj,up->U.txid,up->U.height)) != 0 )
{
char str[65],str2[65],str3[65];
memset(roothash.bytes,0,sizeof(roothash));
if ( (merkles= jarray(&m,merkobj,"merkle")) != 0 )
{
roothash = validate_merkle(jint(merkobj,"pos"),up->U.txid,merkles,m);
if ( (hdrobj= electrum_getheader(coin->symbol,backupep,&hdrobj,up->U.height)) != 0 )
{
merkleroot = jbits256(hdrobj,"merkle_root");
if ( bits256_cmp(merkleroot,roothash) == 0 )
{
up->SPV = up->U.height;
//printf("validated MERK %s ht.%d -> %s root.(%s)\n",bits256_str(str,up->U.txid),up->U.height,jprint(merkobj,0),bits256_str(str2,roothash));
}
else printf("ERROR MERK %s ht.%d -> %s root.(%s) vs %s\n",bits256_str(str,up->U.txid),up->U.height,jprint(merkobj,0),bits256_str(str2,roothash),bits256_str(str3,merkleroot));
free_json(hdrobj);
}
}
free_json(merkobj);
}
}
if ( backupep != 0 && up->SPV == 0 )
up->SPV = LP_merkleproof(coin,backupep,up->U.txid,up->U.height);
jaddi(array,LP_address_item(coin,up,electrumret));
n++;
total += up->U.value;

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