Fix EventKey decode

Author: sanlee42

starcoin/sdk/client.py

@@ -182,15 +182,15 @@ def get_block_reward(self, block_number: int):
                 "value")[0][1].get("U128"))
         return (reward, author, gas_fee)
 
-    def get_events_by_txn_hash(self,txn_hash: str):
+    def get_events_by_txn_hash(self, txn_hash: str):
         operation = {
             "rpc_method": "chain.get_events_by_txn_hash",
             "params": [txn_hash],
         }
         ret = self.execute(operation)
         return ret
-        
-        
+
+
 class RpcRequest():
     def __init__(self, url):
         self.setting = {

starcoin/starcoin_types/__init__.py

@@ -321,7 +321,7 @@ def bcs_deserialize(input: bytes) -> 'EventFilter':
 @dataclass(frozen=True)
 class EventHandle:
     count: st.uint64
-    key: "EventKey"
+    key: bytes
 
     def bcs_serialize(self) -> bytes:
         return bcs.serialize(self, EventHandle)
@@ -336,7 +336,8 @@ def bcs_deserialize(input: bytes) -> 'EventHandle':
 
 @dataclass(frozen=True)
 class EventKey:
-    value: bytes
+    salt: st.uint64
+    address: AccountAddress
 
     def bcs_serialize(self) -> bytes:
         return bcs.serialize(self, EventKey)

tests/test_jsonrpc.py

@@ -1,6 +1,7 @@
 from starcoin.sdk import client
 from starcoin import starcoin_types
 from starcoin import starcoin_stdlib
+from starcoin.sdk import utils
 cli = client.Client("http://barnard.seed.starcoin.org:9850")
 
 
@@ -23,6 +24,11 @@ def test_apis():
     payload = bytes.fromhex(payload[2:])
     payload = starcoin_types.TransactionPayload.bcs_deserialize(payload)
     script = starcoin_stdlib.decode_peer_to_peer_script_function(payload.value)
-    event = cli.get_events_by_txn_hash("0xc48e82f3f836b7521ccc62d7a4ecd5a80dd4580da8ef75764d7329967c5b14cb")
-    e = event[0]["data"]
-
+    events = cli.get_events_by_txn_hash(
+        "0xc48e82f3f836b7521ccc62d7a4ecd5a80dd4580da8ef75764d7329967c5b14cb")
+    for event in events:
+        event_key = event["event_key"][2:]
+        event_key = starcoin_types.EventKey.bcs_deserialize(
+            bytes.fromhex(event_key))
+        add = utils.account_address_hex(event_key.address)
+        print(add)