Add minted at

2 files changed, 28 insertions, 0 deletions

diff --git a/python/eth_devbadge/token.py b/python/eth_devbadge/token.py
index adde78d..d93da12 100644
--- a/python/eth_devbadge/token.py
+++ b/python/eth_devbadge/token.py
@@ -168,6 +168,21 @@ class BadgeToken(ERC20):
         return o
 
 
+    def minted_at(self, contract_address, token_id, sender_address=ZERO_ADDRESS):
+        o = jsonrpc_template()
+        o['method'] = 'eth_call'
+        enc = ABIContractEncoder()
+        enc.method('mintedAt')
+        enc.typ(ABIContractType.UINT256)
+        enc.uint256(token_id)
+        data = add_0x(enc.get())
+        tx = self.template(sender_address, contract_address)
+        tx = self.set_code(tx, data)
+        o['params'].append(self.normalize(tx))
+        o['params'].append('latest')
+        return o
+
+
     def token_of_owner_by_index(self, contract_address, holder_address, idx, sender_address=ZERO_ADDRESS):
         o = jsonrpc_template()
         o['method'] = 'eth_call'
@@ -220,3 +235,8 @@ class BadgeToken(ERC20):
         return abi_decode_single(ABIContractType.ADDRESS, v)
 
 
+    @classmethod
+    def parse_minted_at(self, v):
+        return abi_decode_single(ABIContractType.UINT256, v)
+
+
diff --git a/python/tests/test_app.py b/python/tests/test_app.py
index b3263ad..4d35999 100644
--- a/python/tests/test_app.py
+++ b/python/tests/test_app.py
@@ -65,6 +65,8 @@ class Test(EthTesterCase):
 
 
     def test_mint(self):
+        self.backend.mine_blocks(42)
+
         token_bytes = b'\xee' * 32
         token_id = int.from_bytes(token_bytes, byteorder='big')
         c = self._mint(self.accounts[1], token_id)
@@ -79,6 +81,12 @@ class Test(EthTesterCase):
 
         self.assertEqual(supply, 1)
 
+        o = c.minted_at(self.address, token_id, sender_address=self.accounts[0])
+        r = self.rpc.do(o)
+        height = c.parse_minted_at(r)
+
+        self.assertEqual(height, 44)
+
 
     def test_owner(self):
         token_bytes = b'\xee' * 32