From bfc9932b17f4f482ded8b4b227d4810f2c8d893d Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Fri, 11 Dec 2020 02:03:18 +0000
Subject: [PATCH] Add get_minimum_balance_for_rent_excemption to Client
 (#14048) (#14052)

(cherry picked from commit 7abd8084b668764aa4079ef6748c229e9b9e054d)

Co-authored-by: Jack May <jack@solana.com>
---
 client/src/thin_client.rs  | 6 ++++++
 runtime/src/bank_client.rs | 4 ++++
 sdk/src/client.rs          | 2 ++
 3 files changed, 12 insertions(+)

diff --git a/client/src/thin_client.rs b/client/src/thin_client.rs
index c99a8747b5..8cae5d414e 100644
--- a/client/src/thin_client.rs
+++ b/client/src/thin_client.rs
@@ -399,6 +399,12 @@ impl SyncClient for ThinClient {
             .map(|r| r.value)
     }
 
+    fn get_minimum_balance_for_rent_exemption(&self, data_len: usize) -> TransportResult<u64> {
+        self.rpc_client()
+            .get_minimum_balance_for_rent_exemption(data_len)
+            .map_err(|e| e.into())
+    }
+
     fn get_recent_blockhash(&self) -> TransportResult<(Hash, FeeCalculator)> {
         let (blockhash, fee_calculator, _last_valid_slot) =
             self.get_recent_blockhash_with_commitment(CommitmentConfig::default())?;
diff --git a/runtime/src/bank_client.rs b/runtime/src/bank_client.rs
index a83590e869..4becf5c975 100644
--- a/runtime/src/bank_client.rs
+++ b/runtime/src/bank_client.rs
@@ -140,6 +140,10 @@ impl SyncClient for BankClient {
         Ok(self.bank.get_balance(pubkey))
     }
 
+    fn get_minimum_balance_for_rent_exemption(&self, data_len: usize) -> Result<u64> {
+        Ok(self.bank.get_minimum_balance_for_rent_exemption(data_len))
+    }
+
     fn get_recent_blockhash(&self) -> Result<(Hash, FeeCalculator)> {
         Ok(self.bank.last_blockhash_with_fee_calculator())
     }
diff --git a/sdk/src/client.rs b/sdk/src/client.rs
index 20d3c1719a..15e3cfa7ae 100644
--- a/sdk/src/client.rs
+++ b/sdk/src/client.rs
@@ -78,6 +78,8 @@ pub trait SyncClient {
         commitment_config: CommitmentConfig,
     ) -> Result<u64>;
 
+    fn get_minimum_balance_for_rent_exemption(&self, data_len: usize) -> Result<u64>;
+
     /// Get recent blockhash
     fn get_recent_blockhash(&self) -> Result<(Hash, FeeCalculator)>;