From 2dca82690b8e40bcf17f5c17f6c014a05069238e Mon Sep 17 00:00:00 2001
From: Brooks Prumo <brooks@solana.com>
Date: Wed, 13 Apr 2022 17:16:10 -0500
Subject: [PATCH] Deprecate `MINIMUM_STAKE_DELEGATION`

---
 programs/stake/src/lib.rs           | 1 +
 sdk/program/src/stake/deprecated.rs | 5 +++++
 sdk/program/src/stake/mod.rs        | 7 +++----
 3 files changed, 9 insertions(+), 4 deletions(-)
 create mode 100644 sdk/program/src/stake/deprecated.rs

diff --git a/programs/stake/src/lib.rs b/programs/stake/src/lib.rs
index 65f83524ae0b01..1041288fdb2d7c 100644
--- a/programs/stake/src/lib.rs
+++ b/programs/stake/src/lib.rs
@@ -23,5 +23,6 @@ pub(crate) fn get_minimum_delegation(_feature_set: &FeatureSet) -> u64 {
     // If/when the minimum delegation amount is changed, the `feature_set` parameter will be used
     // to chose the correct value.  And since the MINIMUM_STAKE_DELEGATION constant cannot be
     // removed, use it here as to not duplicate magic constants.
+    #[allow(deprecated)]
     solana_sdk::stake::MINIMUM_STAKE_DELEGATION
 }
diff --git a/sdk/program/src/stake/deprecated.rs b/sdk/program/src/stake/deprecated.rs
new file mode 100644
index 00000000000000..c50dba9a35eee2
--- /dev/null
+++ b/sdk/program/src/stake/deprecated.rs
@@ -0,0 +1,5 @@
+#[deprecated(
+    since = "1.11.0",
+    note = "please use `solana_program::stake::tools::get_minimum_delegation()` instead"
+)]
+pub const MINIMUM_STAKE_DELEGATION: u64 = 1;
diff --git a/sdk/program/src/stake/mod.rs b/sdk/program/src/stake/mod.rs
index 5366b112b8b2cc..6c743ae6d36b27 100644
--- a/sdk/program/src/stake/mod.rs
+++ b/sdk/program/src/stake/mod.rs
@@ -3,10 +3,9 @@ pub mod instruction;
 pub mod state;
 pub mod tools;
 
+mod deprecated;
+pub use deprecated::*;
+
 pub mod program {
     crate::declare_id!("Stake11111111111111111111111111111111111111");
 }
-
-// NOTE: This constant will be deprecated soon; if possible, use
-// `solana_stake_program::get_minimum_delegation()` instead.
-pub const MINIMUM_STAKE_DELEGATION: u64 = 1;