Add unit-test for Rewards program

sdk/src/lib.rs

@@ -12,6 +12,7 @@ pub mod native_program;
 pub mod packet;
 pub mod payment_plan;
 pub mod pubkey;
+pub mod rewards_program;
 pub mod shortvec;
 pub mod signature;
 pub mod storage_program;

sdk/src/rewards_program.rs

@@ -0,0 +1,24 @@
+use crate::pubkey::Pubkey;
+use bincode::serialized_size;
+
+pub const REWARDS_PROGRAM_ID: [u8; 32] = [
+    133, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0,
+];
+
+pub fn check_id(program_id: &Pubkey) -> bool {
+    program_id.as_ref() == REWARDS_PROGRAM_ID
+}
+
+pub fn id() -> Pubkey {
+    Pubkey::new(&REWARDS_PROGRAM_ID)
+}
+
+#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Eq)]
+struct RewardsState {}
+
+/// Upper limit on the size of the Rewards State.
+pub fn get_max_size() -> usize {
+    let rewards_state = RewardsState::default();
+    serialized_size(&rewards_state).unwrap() as usize
+}

sdk/src/vote_program.rs

@@ -20,7 +20,7 @@ pub fn id() -> Pubkey {
 }
 
 // Maximum number of votes to keep around
-const MAX_VOTE_HISTORY: usize = 32;
+pub const MAX_VOTE_HISTORY: usize = 32;
 
 #[derive(Serialize, Default, Deserialize, Debug, PartialEq, Eq, Clone)]
 pub struct Vote {