sdk: Remove support for borsh 0.9 (#1440)

Author: joncinque

Cargo.lock

@@ -16,7 +16,6 @@ bincode = { workspace = true }
 blake3 = { workspace = true, features = ["digest", "traits-preview"] }
 borsh = { workspace = true }
 borsh0-10 = { package = "borsh", version = "0.10.3" }
-borsh0-9 = { package = "borsh", version = "0.9.3" }
 bs58 = { workspace = true }
 bv = { workspace = true, features = ["serde"] }
 bytemuck = { workspace = true, features = ["derive"] }

programs/sbf/Cargo.lock

@@ -477,7 +477,6 @@ pub mod big_mod_exp;
 pub mod blake3;
 pub mod borsh;
 pub mod borsh0_10;
-pub mod borsh0_9;
 pub mod borsh1;
 pub mod bpf_loader;
 pub mod bpf_loader_deprecated;

sdk/program/Cargo.toml

@@ -684,11 +684,6 @@ impl borsh0_10::de::BorshDeserialize for Pubkey {
         )?))
     }
 }
-impl borsh0_9::de::BorshDeserialize for Pubkey {
-    fn deserialize(buf: &mut &[u8]) -> ::core::result::Result<Self, borsh0_9::maybestd::io::Error> {
-        Ok(Self(borsh0_9::BorshDeserialize::deserialize(buf)?))
-    }
-}
 
 macro_rules! impl_borsh_schema {
     ($borsh:ident) => {
@@ -722,7 +717,6 @@ macro_rules! impl_borsh_schema {
     };
 }
 impl_borsh_schema!(borsh0_10);
-impl_borsh_schema!(borsh0_9);
 
 macro_rules! impl_borsh_serialize {
     ($borsh:ident) => {
@@ -738,7 +732,6 @@ macro_rules! impl_borsh_serialize {
     };
 }
 impl_borsh_serialize!(borsh0_10);
-impl_borsh_serialize!(borsh0_9);
 
 #[cfg(test)]
 mod tests {

sdk/program/src/lib.rs

@@ -42,17 +42,16 @@ pub use solana_program::program_stubs;
 // These solana_program imports could be *-imported, but that causes a bunch of
 // confusing duplication in the docs due to a rustdoc bug. #26211
 pub use solana_program::{
-    account_info, address_lookup_table, alt_bn128, big_mod_exp, blake3, borsh, borsh0_10, borsh0_9,
-    borsh1, bpf_loader, bpf_loader_deprecated, bpf_loader_upgradeable, clock, config,
-    custom_heap_default, custom_panic_default, debug_account_data, declare_deprecated_sysvar_id,
-    declare_sysvar_id, decode_error, ed25519_program, epoch_rewards, epoch_schedule,
-    fee_calculator, impl_sysvar_get, incinerator, instruction, keccak, lamports,
-    loader_instruction, loader_upgradeable_instruction, loader_v4, loader_v4_instruction, message,
-    msg, native_token, nonce, poseidon, program, program_error, program_memory, program_option,
-    program_pack, rent, sanitize, secp256k1_program, secp256k1_recover, serde_varint,
-    serialize_utils, short_vec, slot_hashes, slot_history, stable_layout, stake, stake_history,
-    syscalls, system_instruction, system_program, sysvar, unchecked_div_by_const, vote,
-    wasm_bindgen,
+    account_info, address_lookup_table, alt_bn128, big_mod_exp, blake3, borsh, borsh0_10, borsh1,
+    bpf_loader, bpf_loader_deprecated, bpf_loader_upgradeable, clock, config, custom_heap_default,
+    custom_panic_default, debug_account_data, declare_deprecated_sysvar_id, declare_sysvar_id,
+    decode_error, ed25519_program, epoch_rewards, epoch_schedule, fee_calculator, impl_sysvar_get,
+    incinerator, instruction, keccak, lamports, loader_instruction, loader_upgradeable_instruction,
+    loader_v4, loader_v4_instruction, message, msg, native_token, nonce, poseidon, program,
+    program_error, program_memory, program_option, program_pack, rent, sanitize, secp256k1_program,
+    secp256k1_recover, serde_varint, serialize_utils, short_vec, slot_hashes, slot_history,
+    stable_layout, stake, stake_history, syscalls, system_instruction, system_program, sysvar,
+    unchecked_div_by_const, vote, wasm_bindgen,
 };
 #[allow(deprecated)]
 pub use solana_program::{address_lookup_table_account, sdk_ids};