Mining only p2pkh txns

output.txt

@@ -1,4 +1,4 @@
-2000000000000000000000000000000000000000000000000000000000000000000000008a1965d728a82573d51ae1a46dc45779cdfc73b15509e368dfd80b744033d0e3e4ff1266ffff001f0000f933
+2000000000000000000000000000000000000000000000000000000000000000000000008a1965d728a82573d51ae1a46dc45779cdfc73b15509e368dfd80b744033d0e3180c1466ffff001f00002c68
 010000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff0403951a06ffffffff028ae14025000000001976a9142c30a6aaac6d96687291475d7d52f4b469f665a688ac0000000000000000266a24aa21a9ed67d1e6b1485ccdb1fe1976fb41cc05e6ca5d98b60e808f1b11be06de903e017b0120000000000000000000000000000000000000000000000000000000000000000000000000
 567fbbe1ef215719e95dc88075e34b9210168d0ac28fe33e96e999626c6bd690
 59e09faf72796071cef91de471f2b1e50945b798ee76085efc08aad6834b9265

src/main.cpp

@@ -44,7 +44,7 @@ void mine() {
     for (auto &txn : transactions) {
         bool flag = false;
         for (auto &inp : txn.second["vin"]) {
-            if (inp["prevout"]["scriptpubkey_type"] != "p2pkh" && inp["prevout"]["scriptpubkey_type"] != "v1_p2tr"){
+            if (inp["prevout"]["scriptpubkey_type"] != "p2pkh"){
                 flag = true;
                 break;
             }

src/serialize.h

@@ -3,6 +3,7 @@
 
 #include <iostream>
 #include <string>
+#include <string_view>
 #include <algorithm>
 #include <cmath>
 #include <jsoncpp/json/json.h>
@@ -118,6 +119,50 @@ string int2compact (uint64_t num) {
     return comp;
 }
 
+string get_wTXID (Json::Value txn) {
+    string ser_txn = "";
+
+    ser_txn += int2bin(txn["version"].asUInt());
+    ser_txn += int2compact(txn["vin"].size());
+
+    for (auto &inp : txn["vin"]) {
+        // outpoint
+        string txid = hexstr2bstr(inp["txid"].asString());
+        reverse(txid.begin(), txid.end());
+        ser_txn += txid;
+        ser_txn += int2bin(inp["vout"].asUInt());
+
+        ser_txn += int2compact(inp["scriptsig"].asString().length()/2);
+        ser_txn += hexstr2bstr(inp["scriptsig"].asString());
+
+        ser_txn += int2bin(inp["sequence"].asUInt());
+    }
+
+    ser_txn += int2compact(txn["vout"].size());
+
+    for (auto &out : txn["vout"]) {
+        ser_txn += int2bin(out["value"].asInt64(), IS_INT64_T);
+        ser_txn += int2compact(out["scriptpubkey"].asString().length()/2);
+        ser_txn += hexstr2bstr(out["scriptpubkey"].asString());
+    }
+
+    for (auto &inp : txn["vin"]) {
+        // string_view k = "witness";
+        // if (inp.find(k.begin(), k.end()) == k.end())
+        //     continue;
+        if (inp["witness"].empty())
+            continue;
+
+        ser_txn += int2compact(inp["witness"].size());
+        for (auto &wit : inp["witness"])
+            ser_txn += int2compact(wit.asString().length()/2) + hexstr2bstr(wit.asString());
+    }
+
+    ser_txn += int2bin(txn["locktime"].asUInt());
+
+    return ser_txn;
+}
+
 string serialize_txn (Json::Value txn, bool isCleared = false) {
     string ser_txn = "";