From fbba2538e1c178c9ffa2ed0e3b6ff5b7364706ee Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Thu, 6 Jun 2019 00:26:48 +0200
Subject: [PATCH] rust: add support for the precompiles capability

---
 bindings/rust/evmc-declare/src/lib.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/bindings/rust/evmc-declare/src/lib.rs b/bindings/rust/evmc-declare/src/lib.rs
index 1b29526..9deaf8c 100644
--- a/bindings/rust/evmc-declare/src/lib.rs
+++ b/bindings/rust/evmc-declare/src/lib.rs
@@ -166,8 +166,9 @@ impl VMMetaData {
             let mut ret: u32 = 0;
             for capability in capabilities_list_pruned.split(",") {
                 match capability {
-                    "ewasm" => ret |= 0x1 << 1,
-                    "evm" => ret |= 0x1,
+                    "evm" => ret |= 1,
+                    "ewasm" => ret |= 1 << 1,
+                    "precompiles" => ret |= 1 << 2,
                     _ => panic!("Invalid capability specified."),
                 }
             }