support native segwit regtest addresses (#148)

Author: cc-unchained

buidl/script.py

@@ -620,6 +620,13 @@ def address_to_script_pubkey(s):
         elif len(s) == 62:
             # p2wskh
             return P2WSHScriptPubKey(decode_bech32(s)[2])
+    elif s[:6] == "bcrt1q":
+        if len(s) == 44:
+            # p2wpkh
+            return P2WPKHScriptPubKey(decode_bech32(s)[2])
+        elif len(s) == 64:
+            # p2wsh
+            return P2WSHScriptPubKey(decode_bech32(s)[2])
     elif s[:4] in ("bc1p", "tb1p"):
         if len(s) != 62:
             raise RuntimeError(f"unknown type of address: {s}")

buidl/test/test_script.py

@@ -225,6 +225,16 @@ def test_addr_to_script_pubkey(self):
                 "tb1qlrjv2ek09g9aplga83j9mfvelnt6qymen9gd49kpezdz2g5pgwnsfmrucp",
                 "testnet",
             ),
+            (
+                P2WSHScriptPubKey,
+                "bcrt1qy0jn7qnt6tkmqq0yfhf00vr8yv4vf4y2232ppycaz29z7wjr23zq5m3kls",
+                "regtest",
+            ),
+            (
+                P2WPKHScriptPubKey,
+                "bcrt1qp58z6zvu64v8ntd3hpjl6eag40fjel0zkdfajs",
+                "regtest",
+            ),
             (
                 P2WSHScriptPubKey,
                 "bc1qwqdg6squsna38e46795at95yu9atm8azzmyvckulcc7kytlcckxswvvzej",