#86dthh08k - Add currentHash method to the native LedgerContract

boa3/builtin/nativecontract/ledger.py

@@ -84,6 +84,19 @@ def get_current_index(cls) -> int:
         """
         pass
 
+    @classmethod
+    def get_current_hash(cls) -> UInt256:
+        """
+        Gets the hash of the current block.
+
+        >>> Ledger.get_current_hash()
+        b'\\x3e\\x65\\xe5\\x4d\\x75\\x5a\\x94\\x90\\xd6\\x98\\x3a\\x77\\xe4\\x82\\xaf\\x7a\\x38\\xc9\\x8c\\x1a\\xc6\\xd9\\xda\\x48\\xbd\\x7c\\x22\\xb3\\x2a\\x9e\\x34\\xea'
+
+        :return: the hash of the current block
+        :rtype: UInt256
+        """
+        pass
+
     @classmethod
     def get_transaction(cls, hash_: UInt256) -> Transaction | None:
         """

boa3/internal/model/builtin/native/ledgerclass.py

@@ -22,6 +22,7 @@ def class_methods(self) -> dict[str, Method]:
             self._class_methods = {
                 'get_block': Interop.GetBlock,
                 'get_current_index': Interop.CurrentIndex.getter,
+                'get_current_hash': Interop.CurrentHash.getter,
                 'get_transaction': Interop.GetTransaction,
                 'get_transaction_from_block': Interop.GetTransactionFromBlock,
                 'get_transaction_height': Interop.GetTransactionHeight,

boa3/sc/contracts/ledgercontract.py

@@ -80,6 +80,19 @@ def get_current_index(cls) -> int:
         """
         pass
 
+    @classmethod
+    def get_current_hash(cls) -> UInt256:
+        """
+        Gets the hash of the current block.
+
+        >>> LedgerContract.get_current_hash()
+        b'\\x3e\\x65\\xe5\\x4d\\x75\\x5a\\x94\\x90\\xd6\\x98\\x3a\\x77\\xe4\\x82\\xaf\\x7a\\x38\\xc9\\x8c\\x1a\\xc6\\xd9\\xda\\x48\\xbd\\x7c\\x22\\xb3\\x2a\\x9e\\x34\\xea'
+
+        :return: the hash of the current block
+        :rtype: UInt256
+        """
+        pass
+
     @classmethod
     def get_transaction(cls, hash_: UInt256) -> Transaction | None:
         """

boa3_test/test_sc/native_test/ledger/GetCurrentHash.py

@@ -0,0 +1,8 @@
+from boa3.sc.compiletime import public
+from boa3.sc.contracts import LedgerContract
+from boa3.sc.types import UInt256
+
+
+@public
+def main() -> UInt256:
+    return LedgerContract.get_current_hash()

boa3_test/tests/compiler_tests/test_native/test_ledger.py

@@ -278,3 +278,11 @@ async def test_get_current_index(self):
         block_ = await self.get_last_block(self.called_tx)
         expected = block_.index
         self.assertEqual(expected, result)
+
+    async def test_get_current_hash(self):
+        await self.set_up_contract('GetCurrentHash.py')
+
+        result, _ = await self.call('main', [], return_type=types.UInt256, signing_accounts=[self.genesis])
+        block_ = await self.get_last_block(self.called_tx)
+        expected = block_.hash()
+        self.assertEqual(expected, result)