From a3612bf943604db09ded015264050ac57d1cd662 Mon Sep 17 00:00:00 2001
From: Erik van den Brink <git@erikvandenbrink.com>
Date: Wed, 21 Aug 2024 21:23:38 +0200
Subject: [PATCH] add support for System.Runtime.CurrentSigners SYSCALL

---
 boa3/builtin/interop/runtime/__init__.py             | 12 +++++++++++-
 boa3/internal/model/builtin/interop/interop.py       |  5 ++++-
 .../interop/runtime/getcurrentsignersmethod.py       | 11 +++++++++++
 3 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 boa3/internal/model/builtin/interop/runtime/getcurrentsignersmethod.py

diff --git a/boa3/builtin/interop/runtime/__init__.py b/boa3/builtin/interop/runtime/__init__.py
index 520aa36ad..fa45c14bd 100644
--- a/boa3/builtin/interop/runtime/__init__.py
+++ b/boa3/builtin/interop/runtime/__init__.py
@@ -19,13 +19,14 @@
     'invocation_counter',
     'entry_script_hash',
     'script_container',
+    'get_current_signers',
 ]
 
 
 from collections.abc import Sequence
 from typing import Any
 
-from boa3.builtin.interop.blockchain import Transaction
+from boa3.builtin.interop.blockchain import Transaction, Signer
 from boa3.builtin.interop.contract.callflagstype import CallFlags
 from boa3.builtin.interop.runtime.notification import Notification
 from boa3.builtin.interop.runtime.triggertype import TriggerType
@@ -82,6 +83,15 @@ def log(message: str):
     """
     pass
 
+def get_current_signers() -> list[Signer]:
+    """
+    Get the Signers of the current transaction.
+
+    :return: Return an array of all signers of the transaction.
+    :rtype: list[Signer]
+    """
+    pass
+
 
 def get_trigger() -> TriggerType:
     """
diff --git a/boa3/internal/model/builtin/interop/interop.py b/boa3/internal/model/builtin/interop/interop.py
index 046f00bd1..e34237c11 100644
--- a/boa3/internal/model/builtin/interop/interop.py
+++ b/boa3/internal/model/builtin/interop/interop.py
@@ -11,6 +11,7 @@
 from boa3.internal.model.builtin.interop.policy import *
 from boa3.internal.model.builtin.interop.role import *
 from boa3.internal.model.builtin.interop.runtime import *
+from boa3.internal.model.builtin.interop.runtime.getcurrentsignersmethod import GetCurrentSignersMethod
 from boa3.internal.model.builtin.interop.stdlib import *
 from boa3.internal.model.builtin.interop.storage import *
 from boa3.internal.model.event import Event
@@ -164,6 +165,7 @@ def interop_events(cls) -> list[Event]:
     GasLeft = GasLeftProperty()
     GetNetwork = GetNetworkMethod()
     GetNotifications = GetNotificationsMethod(NotificationType)
+    GetCurrentSigners = GetCurrentSignersMethod(SignerType)
     GetRandom = GetRandomMethod()
     GetTrigger = GetTriggerMethod(TriggerType)
     InvocationCounter = InvocationCounterProperty()
@@ -396,7 +398,8 @@ def interop_events(cls) -> list[Event]:
                                       GetTrigger,
                                       LoadScript,
                                       Log,
-                                      Notify
+                                      Notify,
+                                      GetCurrentSigners
                                       ],
                              packages=[NotificationModule,
                                        TriggerTypeModule
diff --git a/boa3/internal/model/builtin/interop/runtime/getcurrentsignersmethod.py b/boa3/internal/model/builtin/interop/runtime/getcurrentsignersmethod.py
new file mode 100644
index 000000000..e6ba76960
--- /dev/null
+++ b/boa3/internal/model/builtin/interop/runtime/getcurrentsignersmethod.py
@@ -0,0 +1,11 @@
+from boa3.internal.model.builtin.interop.blockchain import SignerType
+from boa3.internal.model.builtin.interop.interopmethod import InteropMethod
+from boa3.internal.model.variable import Variable
+
+class GetCurrentSignersMethod(InteropMethod):
+    def __init__(self, signer_type: SignerType):
+        from boa3.internal.model.type.type import Type
+        identifier = 'get_current_signers'
+        syscall = 'System.Runtime.CurrentSigners'
+        args: dict[str, Variable] = {}
+        super().__init__(identifier, syscall, args, return_type=Type.list.build([signer_type]))