OutputScriptFactory: add method for taproot output scripts

afk11 · afk11 · commit 3ee5a32f8e55 · 2019-10-29T21:15:04.000Z
diff --git a/src/Script/Factory/OutputScriptFactory.php b/src/Script/Factory/OutputScriptFactory.php
@@ -193,4 +193,12 @@ public function witnessCoinbaseCommitment(BufferInterface $commitment): ScriptIn
             new Buffer("\xaa\x21\xa9\xed" . $commitment->getBinary())
         ]);
     }
+
+    public function taproot(BufferInterface $key32): ScriptInterface
+    {
+        if ($key32->getSize() !== 32) {
+            throw new \RuntimeException('Taproot key should be 32 bytes');
+        }
+        return ScriptFactory::sequence([Opcodes::OP_1, $key32]);
+    }
 }

Original file line number	Diff line number	Diff line change
`@@ -193,4 +193,12 @@ public function witnessCoinbaseCommitment(BufferInterface $commitment): ScriptIn`
`193`	`193`	`new Buffer("\xaa\x21\xa9\xed" . $commitment->getBinary())`
`194`	`194`	`]);`
`195`	`195`	`}`
	`196`	`+`
	`197`	`+ public function taproot(BufferInterface $key32): ScriptInterface`
	`198`	`+ {`
	`199`	`+ if ($key32->getSize() !== 32) {`
	`200`	`+ throw new \RuntimeException('Taproot key should be 32 bytes');`
	`201`	`+ }`
	`202`	`+ return ScriptFactory::sequence([Opcodes::OP_1, $key32]);`
	`203`	`+ }`
`196`	`204`	`}`