Implement VoteStateV4

serialize-utils/src/cursor.rs

@@ -16,6 +16,15 @@ pub fn read_u8<T: AsRef<[u8]>>(cursor: &mut Cursor<T>) -> Result<u8, Instruction
     Ok(buf[0])
 }
 
+pub fn read_u16<T: AsRef<[u8]>>(cursor: &mut Cursor<T>) -> Result<u16, InstructionError> {
+    let mut buf = [0; 2];
+    cursor
+        .read_exact(&mut buf)
+        .map_err(|_| InstructionError::InvalidAccountData)?;
+
+    Ok(u16::from_le_bytes(buf))
+}
+
 pub fn read_u32<T: AsRef<[u8]>>(cursor: &mut Cursor<T>) -> Result<u32, InstructionError> {
     let mut buf = [0; 4];
     cursor

vote-interface/Cargo.toml

@@ -35,8 +35,10 @@ frozen-abi = [
     "solana-short-vec/frozen-abi",
 ]
 serde = [
+    "dep:cfg_eval",
     "dep:serde",
     "dep:serde_derive",
+    "dep:serde_with",
     "dep:solana-serde-varint",
     "dep:solana-short-vec",
     "solana-hash/serde",
@@ -46,10 +48,12 @@ serde = [
 [dependencies]
 arbitrary = { workspace = true, features = ["derive"], optional = true }
 bincode = { workspace = true, optional = true }
+cfg_eval = { workspace = true, optional = true }
 num-derive = { workspace = true }
 num-traits = { workspace = true }
 serde = { workspace = true, optional = true }
 serde_derive = { workspace = true, optional = true }
+serde_with = { workspace = true, features = ["macros"], optional = true }
 solana-clock = { workspace = true }
 solana-frozen-abi = { workspace = true, features = [
     "frozen-abi",

vote-interface/src/instruction.rs

@@ -4,7 +4,7 @@ use {
     super::state::TowerSync,
     crate::state::{
         Vote, VoteAuthorize, VoteAuthorizeCheckedWithSeedArgs, VoteAuthorizeWithSeedArgs, VoteInit,
-        VoteStateUpdate, VoteStateVersions,
+        VoteStateUpdate, VoteStateV4,
     },
     solana_clock::{Slot, UnixTimestamp},
     solana_hash::Hash,
@@ -272,7 +272,7 @@ pub struct CreateVoteAccountConfig<'a> {
 impl Default for CreateVoteAccountConfig<'_> {
     fn default() -> Self {
         Self {
-            space: VoteStateVersions::vote_state_size_of(false) as u64,
+            space: VoteStateV4::size_of() as u64,
             with_seed: None,
         }
     }