Scripthash electrum for BCH

iguana/exchanges/LP_include.h

@@ -547,6 +547,7 @@ int32_t LP_listunspent_both(char *symbol,char *coinaddr,int32_t fullflag);
 uint16_t LP_randpeer(char *destip);
 void LP_tradebot_pauseall();
 void LP_portfolio_reset();
+int32_t bitcoin_addr2rmd160(char *symbol,uint8_t taddr,uint8_t *addrtypep,uint8_t rmd160[20],char *coinaddr);
 struct LP_pubkey_info *LP_pubkeyadd(bits256 pubkey);
 uint32_t LP_atomic_locktime(char *base,char *rel);
 struct LP_pubkey_info *LP_pubkeyfind(bits256 pubkey);

iguana/exchanges/LP_socket.c

@@ -525,10 +525,24 @@ cJSON *electrum_address_subscribe(char *symbol,struct electrum_info *ep,cJSON **
     return(retjson);
 }
 
+cJSON *electrum_scripthash_cmd(char *symbol,uint8_t taddr,struct electrum_info *ep,cJSON **retjsonp,char *cmd,char *coinaddr)
+{
+    uint8_t addrtype,rmd160[20]; char scripthash[51],rmdstr[41],cmdbuf[128];
+    bitcoin_addr2rmd160(symbol,taddr,&addrtype,rmd160,coinaddr);
+    init_hexbytes_noT(rmdstr,rmd160,20);
+    sprintf(scripthash,"76a914%s88ac",rmdstr);
+    sprintf(cmdbuf,"blockchain.scripthash.%s",cmd);
+    return(electrum_strarg(symbol,ep,retjsonp,cmdbuf,scripthash,ELECTRUM_TIMEOUT));
+}
+
 cJSON *electrum_address_gethistory(char *symbol,struct electrum_info *ep,cJSON **retjsonp,char *addr,bits256 reftxid)
 {
     char str[65]; struct LP_transaction *tx; cJSON *retjson,*txobj,*item; int32_t i,n,height; bits256 txid; struct iguana_info *coin = LP_coinfind(symbol);
-    retjson = electrum_strarg(symbol,ep,retjsonp,"blockchain.address.get_history",addr,ELECTRUM_TIMEOUT);
+    if ( coin == 0 )
+        return(0);
+    if ( strcmp(symbol,"BCH") == 0 )
+        retjson = electrum_scripthash_cmd(symbol,coin->taddr,ep,retjsonp,"get_history",addr);
+    else retjson = electrum_strarg(symbol,ep,retjsonp,"blockchain.address.get_history",addr,ELECTRUM_TIMEOUT);
     //printf("history.(%s)\n",jprint(retjson,0));
     if ( retjson != 0 && (n= cJSON_GetArraySize(retjson)) > 0 )
     {
@@ -574,7 +588,11 @@ int32_t LP_txheight_check(struct iguana_info *coin,char *coinaddr,bits256 txid)
 cJSON *electrum_address_getmempool(char *symbol,struct electrum_info *ep,cJSON **retjsonp,char *addr,bits256 reftxid,bits256 reftxid2)
 {
     cJSON *retjson; struct iguana_info *coin = LP_coinfind(symbol);
-    retjson = electrum_strarg(symbol,ep,retjsonp,"blockchain.address.get_mempool",addr,ELECTRUM_TIMEOUT);
+    if ( coin == 0 )
+        return(0);
+    if ( strcmp(symbol,"BCH") == 0 )
+        retjson = electrum_scripthash_cmd(symbol,coin->taddr,ep,retjsonp,"get_mempool",addr);
+    else retjson = electrum_strarg(symbol,ep,retjsonp,"blockchain.address.get_mempool",addr,ELECTRUM_TIMEOUT);
     //printf("MEMPOOL.(%s)\n",jprint(retjson,0));
     electrum_process_array(coin,ep,addr,retjson,1,reftxid,reftxid2);
     return(retjson);
@@ -601,7 +619,10 @@ cJSON *electrum_address_listunspent(char *symbol,struct electrum_info *ep,cJSON
     }
     if ( usecache == 0 || electrumflag > 1 )
     {
-        if ( (retjson= electrum_strarg(symbol,ep,retjsonp,"blockchain.address.listunspent",addr,ELECTRUM_TIMEOUT)) != 0 )
+        if ( strcmp(symbol,"BCH") == 0 )
+            retjson = electrum_scripthash_cmd(symbol,coin->taddr,ep,retjsonp,"listunspent",addr);
+        else retjson = electrum_strarg(symbol,ep,retjsonp,"blockchain.address.listunspent",addr,ELECTRUM_TIMEOUT);
+        if ( retjson != 0 )
         {
             if ( jobj(retjson,"error") == 0 && is_cJSON_Array(retjson) != 0 )
             {
@@ -642,7 +663,9 @@ cJSON *electrum_address_listunspent(char *symbol,struct electrum_info *ep,cJSON
 
 cJSON *electrum_address_getbalance(char *symbol,struct electrum_info *ep,cJSON **retjsonp,char *addr)
 {
-    return(electrum_strarg(symbol,ep,retjsonp,"blockchain.address.get_balance",addr,ELECTRUM_TIMEOUT));
+    if ( strcmp(symbol,"BCH") == 0 )
+        return(electrum_scripthash_cmd(symbol,0,ep,retjsonp,"get_balance",addr));
+    else return(electrum_strarg(symbol,ep,retjsonp,"blockchain.address.get_balance",addr,ELECTRUM_TIMEOUT));
 }
 
 cJSON *electrum_addpeer(char *symbol,struct electrum_info *ep,cJSON **retjsonp,char *endpoint) { return(electrum_strarg(symbol,ep,retjsonp,"server.add_peer",endpoint,ELECTRUM_TIMEOUT)); }
@@ -750,6 +773,8 @@ cJSON *electrum_transaction(int32_t *heightp,char *symbol,struct electrum_info *
 {
     cJSON *retjson,*array; bits256 zero; struct LP_transaction *tx=0; struct iguana_info *coin;
     coin = LP_coinfind(symbol);
+    if ( coin == 0 )
+        return(0);
     *heightp = 0;
     if ( ep != 0 )
         portable_mutex_lock(&ep->txmutex);