1. Comment improvements.

sh/scripts/view_account_id.py

@@ -0,0 +1,29 @@
+import argparse
+
+from stests.core import crypto
+from stests.core.utils import cli as utils
+
+
+# CLI argument parser.
+ARGS = argparse.ArgumentParser("Displays derived account identifier.")
+
+# CLI argument: network name.
+ARGS.add_argument(
+    "public_key",
+    help="Hexadecimal representation of a public key associated with an account.",
+    type=str
+    )
+
+
+def main(args):
+    """Entry point.
+    
+    :param args: Parsed CLI arguments.
+
+    """
+    account_id = crypto.get_account_id(crypto.KeyAlgorithm.ED25519, args.public_key)
+    utils.log(account_id)
+
+
+if __name__ == '__main__':
+    main(ARGS.parse_args())

sh/utils/set_aliases.sh

@@ -79,6 +79,8 @@ alias stests-set-node-status='_exec_cmd $STESTS_PATH_SH_SCRIPTS/set_node_status.
 # ALIASES: chain - view
 # ###############################################################
 
+alias stests-view-account-id='_exec_cmd $STESTS_PATH_SH_SCRIPTS/view_account_id.py'
+
 alias stests-view-account-balance='_exec_cmd $STESTS_PATH_SH_SCRIPTS/view_account_balance.py'
 alias stests-view-account-info='_exec_cmd $STESTS_PATH_SH_SCRIPTS/view_account_info.py'
 alias stests-view-block-info='_exec_cmd $STESTS_PATH_SH_SCRIPTS/view_block_info.py'

stests/core/crypto/account_id.py

@@ -5,6 +5,10 @@
 
 
 
+# Seperator to be applied when setting data to be passed to hashifier.
+_SEPERATOR = b"\x00"
+
+
 def get_account_id(key_algo: KeyAlgorithm, public_key: str) -> str:
     """Returns an on-chain account identifier.
 
@@ -15,7 +19,7 @@ def get_account_id(key_algo: KeyAlgorithm, public_key: str) -> str:
 
     """ 
     return get_hash(
-        key_algo.name.encode("UTF-8") + b"\x00" + bytes.fromhex(public_key),
+        key_algo.name.encode("UTF-8") + _SEPERATOR + bytes.fromhex(public_key),
         algo=HashAlgorithm.BLAKE2B,
         encoding=HashEncoding.HEX,   
     )

stests/core/utils/env.py

@@ -1,13 +1,3 @@
-"""
-.. module:: stests.core.utils.env.py
-   :copyright: Copyright "December 01, 2016", IPSL
-   :license: GPL/CeCIL
-   :platform: Unix, Windows
-   :synopsis: System test environment access utility functions.
-
-.. moduleauthor:: Mark Conway-Greenslade <[email protected]>
-
-"""
 import os
 import typing