feat: add accounts python file

ape_aws_kms/accounts.py

@@ -1,8 +1,82 @@
+import boto3
 import json
-from typing import Optional
 
-from ape.api.accounts import AccountContainerAPI
+from datetime import datetime
+from typing import Optional, Iterator, List
 
+from eth_utils import keccak, to_checksum_address
+from pydantic import BaseModel, Field
 
-class AccountContainer(AccountContainerAPI):
-    pass
+from ape.api import AccountContainerAPI, AccountAPI, TransactionAPI
+from ape.types import AddressType, MessageSignature, TransactionSignature
+from ape.utils import cached_property
+
+
+class AliasResponse(BaseModel):
+    alias: str = Field(alias="AliasName")
+    arn: str = Field(alias="AliasArn")
+    key_id: str = Field(alias="KeyId")
+    creation: datetime = Field(alias="CreationDate")
+    last_updated: datetime = Field(alias="LastUpdatedDate")
+
+
+class AwsAccountContainer(AccountContainerAPI):
+    @cached_property
+    def kms_client(self):
+        return boto3.client('kms')
+
+    @cached_property
+    def raw_aliases(self) -> List[AliasResponse]:
+        paginator = self.kms_client.get_paginator('list_aliases')
+        pages = paginator.paginate()
+        return [
+            AliasResponse(**alias_data) for page in pages for alias_data in page
+        ]
+
+    @property
+    def alias(self) -> Iterator[str]:
+        # Get the alias attribute from each self.raw_aliases 
+        return map(self.raw_aliases.alias)
+
+    def __len__(self) -> int:
+        return len(self.kms_clinet.list_aliases())
+
+    @property
+    def accounts(self) -> Iterator[AccountAPI]:
+        # Get the values required, return KmsAccount for each self.raw_alias
+        ... # self.kms_client.list_aliases -> KmsAccount
+
+
+class KmsAccount(AccountAPI):
+    alias: str
+    key_id: str
+    key_arn: str
+
+    @cached_property
+    def kms_client(self):
+        return boto3.client('kms')
+
+    @cached_property
+    def public_key(self):
+        return self.kms_client.get_public_key(KeyId=self.key_id)["PublicKey"]
+
+    @cached_property
+    def address(self) -> AddressType:
+        return to_checksum_address(keccak(self.public_key)[:20])
+
+    def sign_message(self, msg: Any, **signer_options) -> Optional[MessageSignature]:
+        ... # self.kms_client.sign(<convert message to proper schema>) And convert to a message signature
+
+    def sign_transaction(self, txn: TransactionAPI, **signer_options) -> Optional[TransactionAPI]:
+        ... # self.kms_client.sign(<convert txn to proper schema>) Gets appended to the message
+
+
+"""
+EIP 191 and EIP 712
+
+convert EIP 191 and EIP 712 messages in a utils module
+
+ethereim-kms-signer example
+
+get_sig_r_s_v()
+"""