Prevent electrum from being bob

iguana/exchanges/LP_ordermatch.c

@@ -627,6 +627,11 @@ int32_t LP_tradecommand(void *ctx,char *myipaddr,int32_t pubsock,cJSON *argjson,
                 printf("this node has no price for %s/%s\n",Q.srccoin,Q.destcoin);
                 return(retval);
             }
+            if ( coin->electrum != 0 )
+            {
+                printf("electrum can only be for alice\n");
+                return(retval);
+            }
             price = ask;
             autxo = &A;
             butxo = &B;

iguana/exchanges/LP_signatures.c

@@ -277,8 +277,10 @@ char *LP_postutxos_recv(cJSON *argjson)
 
 char *LP_pricepings(void *ctx,char *myipaddr,int32_t pubsock,char *base,char *rel,double price)
 {
-    bits256 zero; cJSON *reqjson = cJSON_CreateObject();
+    struct iguana_info *basecoin,*relcoin; bits256 zero; cJSON *reqjson = cJSON_CreateObject();
     // LP_addsig
+    if ( (basecoin= LP_coinfind(base)) != 0 && (relcoin= LP_coinfind(rel)) != 0 && basecoin->electrum == 0 && relcoin->electrum == 0 )
+    {
         memset(zero.bytes,0,sizeof(zero));
         jaddbits256(reqjson,"pubkey",G.LP_mypub25519);
         jaddstr(reqjson,"base",base);
@@ -287,6 +289,7 @@ char *LP_pricepings(void *ctx,char *myipaddr,int32_t pubsock,char *base,char *re
         jaddstr(reqjson,"method","postprice");
         LP_reserved_msg(base,rel,zero,jprint(reqjson,1));
         return(clonestr("{\"result\":\"success\"}"));
+    } else return(clonestr("{\"error\":\"electrum node cant post bob asks\"}"));
 }
 
 char *LP_postprice_recv(cJSON *argjson)