program log pubkey as base58 (#12901)

sdk/src/log.rs

@@ -2,7 +2,7 @@
 
 #![cfg(feature = "program")]
 
-use crate::{account_info::AccountInfo, pubkey::Pubkey};
+use crate::account_info::AccountInfo;
 
 /// Prints a string
 /// There are two forms and are fast
@@ -63,18 +63,6 @@ pub fn sol_log_slice(slice: &[u8]) {
     }
 }
 
-/// Prints a pubkey
-pub trait Log {
-    fn log(&self);
-}
-impl Log for Pubkey {
-    fn log(&self) {
-        for (i, k) in self.to_bytes().iter().enumerate() {
-            info!(0, 0, 0, i, *k);
-        }
-    }
-}
-
 /// Prints the hexadecimal representation of the program's input parameters
 ///
 /// @param ka - A pointer to an array of `AccountInfo` to print

sdk/src/pubkey.rs

@@ -202,9 +202,16 @@ impl Pubkey {
     pub fn to_bytes(self) -> [u8; 32] {
         self.0
     }
-}
 
-// TODO localalize this
+    /// Log a `Pubkey` from a program
+    #[cfg(feature = "program")]
+    pub fn log(&self) {
+        extern "C" {
+            fn sol_log_pubkey(pubkey_addr: *const u8);
+        };
+        unsafe { sol_log_pubkey(self.as_ref() as *const _ as *const u8) };
+    }
+}
 
 impl AsRef<[u8]> for Pubkey {
     fn as_ref(&self) -> &[u8] {