Check for duplicate pubkeys.

Add test for 'non-BIP68-final'.

basicswap/protocols/atomic_swap_1.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2020 tecnovert
+# Distributed under the MIT software license, see the accompanying
+# file LICENSE or http://www.opensource.org/licenses/mit-license.php.
+
+from basicswap.util import (
+    SerialiseNum,
+)
+from basicswap.script import (
+    OpCodes,
+)
+
+
+def buildContractScript(lock_val, secret_hash, pkh_redeem, pkh_refund, op_lock=OpCodes.OP_CHECKSEQUENCEVERIFY):
+    script = bytearray([
+        OpCodes.OP_IF,
+        OpCodes.OP_SIZE,
+        0x01, 0x20,  # 32
+        OpCodes.OP_EQUALVERIFY,
+        OpCodes.OP_SHA256,
+        0x20]) \
+        + secret_hash \
+        + bytearray([
+            OpCodes.OP_EQUALVERIFY,
+            OpCodes.OP_DUP,
+            OpCodes.OP_HASH160,
+            0x14]) \
+        + pkh_redeem \
+        + bytearray([OpCodes.OP_ELSE, ]) \
+        + SerialiseNum(lock_val) \
+        + bytearray([
+            op_lock,
+            OpCodes.OP_DROP,
+            OpCodes.OP_DUP,
+            OpCodes.OP_HASH160,
+            0x14]) \
+        + pkh_refund \
+        + bytearray([
+            OpCodes.OP_ENDIF,
+            OpCodes.OP_EQUALVERIFY,
+            OpCodes.OP_CHECKSIG])
+    return script

basicswap/protocols/xmr_swap_1.py

@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2020 tecnovert
+# Distributed under the MIT software license, see the accompanying
+# file LICENSE or http://www.opensource.org/licenses/mit-license.php.