Acct params get

pyteal/__init__.pyi

@@ -46,6 +46,7 @@ __all__ = [
     "AppParam",
     "AssetHolding",
     "AssetParam",
+    "AcctParam",
     "InnerTxnBuilder",
     "InnerTxn",
     "InnerTxnAction",

pyteal/ast/__init__.py

@@ -18,6 +18,7 @@
 from .global_ import Global, GlobalField
 from .app import App, AppField, OnComplete, AppParam
 from .asset import AssetHolding, AssetParam
+from .acct import AcctParam
 
 # inner txns
 from .itxn import InnerTxnBuilder, InnerTxn, InnerTxnAction
@@ -151,6 +152,7 @@
     "AppParam",
     "AssetHolding",
     "AssetParam",
+    "AcctParam",
     "InnerTxnBuilder",
     "InnerTxn",
     "InnerTxnAction",

pyteal/ast/acct.py

@@ -0,0 +1,62 @@
+from typing import TYPE_CHECKING
+
+from ..types import TealType, require_type
+from ..ir import Op
+from .expr import Expr
+from .maybe import MaybeValue
+
+if TYPE_CHECKING:
+    from ..compiler import CompileOptions
+
+
+class AcctParam:
+    @classmethod
+    def balance(cls, acct: Expr) -> MaybeValue:
+        """Get the current balance in microalgos an account.
+
+        Args:
+            acct: An index into Txn.accounts that corresponds to the account to check.
+                Must evaluate to uint64.
+        """
+        require_type(acct, TealType.uint64)
+        return MaybeValue(
+            Op.acct_params_get,
+            TealType.uint64,
+            immediate_args=["AcctBalance"],
+            args=[acct],
+        )
+
+    @classmethod
+    def minBalance(cls, acct: Expr) -> MaybeValue:
+        """Get the minimum balance in microalgos for an account.
+
+        Args:
+            acct: An index into Txn.accounts that corresponds to the application to check.
+                Must evaluate to uint64.
+        """
+        require_type(acct, TealType.uint64)
+        return MaybeValue(
+            Op.acct_params_get,
+            TealType.uint64,
+            immediate_args=["AcctMinBalance"],
+            args=[acct],
+        )
+
+    @classmethod
+    def authAddr(cls, acct: Expr) -> MaybeValue:
+        """Get the authorizing address for an account.
+
+        Args:
+            app: An index into Txn.accounts that corresponds to the application to check.
+                Must evaluate to uint64.
+        """
+        require_type(acct, TealType.uint64)
+        return MaybeValue(
+            Op.acct_params_get,
+            TealType.bytes,
+            immediate_args=["AcctAuthAddr"],
+            args=[acct],
+        )
+
+
+AcctParam.__module__ = "pyteal"

pyteal/ir/ops.py

@@ -174,6 +174,7 @@ def min_version(self) -> int:
     gitxn               = OpType("gitxn",               Mode.Application,                  6)
     gitxna              = OpType("gitxna",              Mode.Application,                  6)
     gloadss             = OpType("gloadss",             Mode.Application,                  6)
+    acct_params_get     = OpType("acct_params_get",     Mode.Application,                  6)
     # fmt: on