spvnode/wallet: support multiple addresses on wallet cmd test

-wallet cmd test now iterates through multiple addresses and deletes everything from the wallet
-free waddr and buf and call dogecoin_wallet_next_addr on edge case where we delete our last address

src/cli/spvnode.c

@@ -473,28 +473,37 @@ int main(int argc, char* argv[]) {
 #if WITH_WALLET
     dogecoin_ecc_start();
     if (address != NULL) {
-        int res = dogecoin_register_watch_address_with_node(address);
-        printf("registered:     %d %s\n", res, address);
-        uint64_t amount = dogecoin_get_balance(address);
-        if (amount > 0) {
-            char* amount_str = dogecoin_get_balance_str(address);
-            printf("amount:         %s\n", amount_str);
-            unsigned int utxo_count = dogecoin_get_utxos_length(address);
-            if (utxo_count) {
-                printf("utxo count:     %d\n", utxo_count);
-                unsigned int i = 1;
-                for (; i <= utxo_count; i++) {
-                    printf("txid:           %s\n", dogecoin_get_utxo_txid_str(address, i));
-                    printf("vout:           %d\n", dogecoin_get_utxo_vout(address, i));
-                    char* utxo_amount_str = dogecoin_get_utxo_amount(address, i);
-                    printf("amount:         %s\n", utxo_amount_str);
-                    dogecoin_free(utxo_amount_str);
+        char delim[] = " ";
+        // copy address into a new string, strtok modifies the string
+        char* address_copy = strdup(address);
+        char *ptr;
+        char* temp_address_copy = address_copy;
+
+        while((ptr = strtok_r(temp_address_copy, delim, &temp_address_copy))) {
+            int res = dogecoin_register_watch_address_with_node(ptr);
+            printf("registered:     %d %s\n", res, ptr);
+            uint64_t amount = dogecoin_get_balance(ptr);
+            if (amount > 0) {
+                char* amount_str = dogecoin_get_balance_str(ptr);
+                printf("amount:         %s\n", amount_str);
+                unsigned int utxo_count = dogecoin_get_utxos_length(ptr);
+                if (utxo_count) {
+                    printf("utxo count:     %d\n", utxo_count);
+                    unsigned int i = 1;
+                    for (; i <= utxo_count; i++) {
+                        printf("txid:           %s\n", dogecoin_get_utxo_txid_str(ptr, i));
+                        printf("vout:           %d\n", dogecoin_get_utxo_vout(ptr, i));
+                        char* utxo_amount_str = dogecoin_get_utxo_amount(ptr, i);
+                        printf("amount:         %s\n", utxo_amount_str);
+                        dogecoin_free(utxo_amount_str);
+                    }
                 }
+                dogecoin_free(amount_str);
             }
-            dogecoin_free(amount_str);
+            res = dogecoin_unregister_watch_address_with_node(ptr);
+            printf("unregistered:   %s\n", res ? "true" : "false");
         }
-        res = dogecoin_unregister_watch_address_with_node(address);
-        printf("unregistered:   %s\n", res ? "true" : "false");
+        dogecoin_free(address_copy);
     }
     dogecoin_ecc_stop();
 #endif

src/wallet.c

@@ -1582,6 +1582,7 @@ int dogecoin_unregister_watch_address_with_node(char* address) {
                     dogecoin_p2pkh_addr_from_hash160(waddr->pubkeyhash, wallet->chain, p2pkh_check, P2PKHLEN);
                     if (memcmp(record->str, buf, record->len)==0) {
                         found = 1;
+                        dogecoin_wallet_addr_free(waddr);
                     } else {
                         const char* addr_match = find_needle(ptr, strlen(ptr), p2pkh_check, P2PKHLEN);
                         if (!addr_match) {
@@ -1590,7 +1591,6 @@ int dogecoin_unregister_watch_address_with_node(char* address) {
                             dogecoin_wallet_addr_free(waddr);
                         }
                     }
-                    if (found) dogecoin_wallet_addr_free(waddr);
                     free(buf);
                 } else if (rectype == WALLET_DB_REC_TYPE_TX) {
                     unsigned char* buf = dogecoin_uchar_vla(reclen);
@@ -1613,6 +1613,7 @@ int dogecoin_unregister_watch_address_with_node(char* address) {
                             goto copy;
                         }
                     }
+                    dogecoin_free(buf);
 copy:
                     dogecoin_wallet_scrape_utxos(wallet_new, wtx);
                     dogecoin_wallet_add_wtx_move(wallet_new, wtx); // hands memory management over to the binary tree
@@ -1621,6 +1622,10 @@ int dogecoin_unregister_watch_address_with_node(char* address) {
                 }
             }
 
+            if (!wallet_new->waddr_vector->len) {
+                dogecoin_wallet_next_addr(wallet_new);
+            }
+
             cstr_free(record, true);
             dogecoin_wallet_flush(wallet);
             dogecoin_wallet_flush(wallet_new);