Add native_mint::DECIMALS

token/inc/token.h

@@ -11,6 +11,11 @@
 #define TOKEN_MINOR_VERSION 0
 #define TOKEN_PATCH_VERSION 6
 
+/**
+ * There are 10^9 lamports in one SOL
+ */
+#define Token_DECIMALS 9
+
 /**
  * Maximum number of multisignature signers (max N)
  */

token/src/native_mint.rs

@@ -1,4 +1,7 @@
 //! The Mint that represents the native token
 
+/// There are 10^9 lamports in one SOL
+pub const DECIMALS: u8 = 9;
+
 // The Mint for native SOL Token accounts
 solana_sdk::declare_id!("So11111111111111111111111111111111111111111");