token-extensions: finish AccountConstraints rename sweep across all 33 anchor and quasar variants

Every #[derive(Accounts)] struct now carries the AccountConstraints
suffix; handler names, generated instruction-data names, and program IDs
unchanged. Each project rebuilt and its tests run green after the rename.

https://claude.ai/code/session_01VPj6WLMxD5KL6NwvUvuz1K

Author: claude

tokens/token-extensions/memo-transfer/anchor/programs/memo-transfer/src/instructions/disable.rs

@@ -2,7 +2,7 @@ use anchor_lang::prelude::*;
 use anchor_spl::token_interface::{memo_transfer_disable, MemoTransfer, Token2022, TokenAccount};
 
 #[derive(Accounts)]
-pub struct Disable<'info> {
+pub struct DisableAccountConstraints<'info> {
     #[account(mut)]
     pub owner: Signer<'info>,
 
@@ -14,7 +14,7 @@ pub struct Disable<'info> {
     pub token_program: Program<'info, Token2022>,
 }
 
-pub fn handler(context: Context<Disable>) -> Result<()> {
+pub fn handler(context: Context<DisableAccountConstraints>) -> Result<()> {
     memo_transfer_disable(CpiContext::new(
         context.accounts.token_program.key(),
         MemoTransfer {

tokens/token-extensions/memo-transfer/anchor/programs/memo-transfer/src/instructions/initialize.rs

@@ -10,7 +10,7 @@ use anchor_spl::{
 };
 
 #[derive(Accounts)]
-pub struct Initialize<'info> {
+pub struct InitializeAccountConstraints<'info> {
     #[account(mut)]
     pub payer: Signer<'info>,
 
@@ -21,7 +21,7 @@ pub struct Initialize<'info> {
     pub system_program: Program<'info, System>,
 }
 
-pub fn handler(context: Context<Initialize>) -> Result<()> {
+pub fn handler(context: Context<InitializeAccountConstraints>) -> Result<()> {
     // Calculate space required for token and extension data
     let token_account_size =
         ExtensionType::try_calculate_account_len::<PodAccount>(&[ExtensionType::MemoTransfer])?;

tokens/token-extensions/memo-transfer/anchor/programs/memo-transfer/src/lib.rs

@@ -9,11 +9,11 @@ declare_id!("5BQyC7y2Pc283woThq11uZRqsgcRbBRLKz4yQ8BJadi2");
 pub mod memo_transfer {
     use super::*;
 
-    pub fn initialize(context: Context<Initialize>) -> Result<()> {
+    pub fn initialize(context: Context<InitializeAccountConstraints>) -> Result<()> {
         instructions::initialize::handler(context)
     }
 
-    pub fn disable(context: Context<Disable>) -> Result<()> {
+    pub fn disable(context: Context<DisableAccountConstraints>) -> Result<()> {
         instructions::disable::handler(context)
     }
 }

tokens/token-extensions/memo-transfer/anchor/programs/memo-transfer/tests/test_memo_transfer.rs

@@ -119,7 +119,7 @@ fn test_memo_transfer() {
     let initialize_ix = Instruction::new_with_bytes(
         program_id,
         &memo_transfer::instruction::Initialize {}.data(),
-        memo_transfer::accounts::Initialize {
+        memo_transfer::accounts::InitializeAccountConstraints {
             payer: payer.pubkey(),
             token_account: token_keypair.pubkey(),
             mint_account: mint,
@@ -192,7 +192,7 @@ fn test_memo_transfer() {
     let disable_ix = Instruction::new_with_bytes(
         program_id,
         &memo_transfer::instruction::Disable {}.data(),
-        memo_transfer::accounts::Disable {
+        memo_transfer::accounts::DisableAccountConstraints {
             owner: payer.pubkey(),
             token_account: token_keypair.pubkey(),
             token_program: TOKEN_EXTENSIONS_PROGRAM_ID,

tokens/token-extensions/memo-transfer/quasar/src/lib.rs

@@ -26,18 +26,18 @@ mod quasar_memo_transfer {
     use super::*;
 
     #[instruction(discriminator = 0)]
-    pub fn initialize(ctx: Ctx<Initialize>) -> Result<(), ProgramError> {
+    pub fn initialize(ctx: Ctx<InitializeAccountConstraints>) -> Result<(), ProgramError> {
         handle_initialize(&mut ctx.accounts)
     }
 
     #[instruction(discriminator = 1)]
-    pub fn disable(ctx: Ctx<Disable>) -> Result<(), ProgramError> {
+    pub fn disable(ctx: Ctx<DisableAccountConstraints>) -> Result<(), ProgramError> {
         handle_disable(&mut ctx.accounts)
     }
 }
 
 #[derive(Accounts)]
-pub struct Initialize {
+pub struct InitializeAccountConstraints {
     #[account(mut)]
     pub payer: Signer,
     #[account(mut)]
@@ -48,7 +48,7 @@ pub struct Initialize {
 }
 
 #[inline(always)]
-fn handle_initialize(accounts: &mut Initialize) -> Result<(), ProgramError> {
+fn handle_initialize(accounts: &mut InitializeAccountConstraints) -> Result<(), ProgramError> {
     // Token account + MemoTransfer extension = 300 bytes
     let account_size: u64 = 300;
     let lamports = Rent::get()?.try_minimum_balance(account_size as usize)?;
@@ -100,7 +100,7 @@ fn handle_initialize(accounts: &mut Initialize) -> Result<(), ProgramError> {
 }
 
 #[derive(Accounts)]
-pub struct Disable {
+pub struct DisableAccountConstraints {
     #[account(mut)]
     pub owner: Signer,
     #[account(mut)]
@@ -109,7 +109,7 @@ pub struct Disable {
 }
 
 #[inline(always)]
-fn handle_disable(accounts: &mut Disable) -> Result<(), ProgramError> {
+fn handle_disable(accounts: &mut DisableAccountConstraints) -> Result<(), ProgramError> {
     // MemoTransfer disable: opcode 30, sub-opcode 1
     CpiCall::new(
         accounts.token_program.to_account_view().address(),

tokens/token-extensions/metadata/anchor/programs/metadata/src/instructions/emit.rs

@@ -4,14 +4,14 @@ use anchor_spl::token_interface::{Mint, Token2022};
 use spl_token_metadata_interface::instruction::emit;
 
 #[derive(Accounts)]
-pub struct Emit<'info> {
+pub struct EmitAccountConstraints<'info> {
     pub mint_account: InterfaceAccount<'info, Mint>,
     pub token_program: Program<'info, Token2022>,
 }
 
 // Invoke the emit instruction from spl_token_metadata_interface directly
 // There is not an anchor CpiContext for this instruction
-pub fn process_emit(context: Context<Emit>) -> Result<()> {
+pub fn process_emit(context: Context<EmitAccountConstraints>) -> Result<()> {
     invoke(
         &emit(
             &context.accounts.token_program.key(), // token program id

tokens/token-extensions/metadata/anchor/programs/metadata/src/instructions/initialize.rs

@@ -7,7 +7,7 @@ use spl_token_metadata_interface::state::TokenMetadata;
 use spl_type_length_value::variable_len_pack::VariableLenPack;
 
 #[derive(Accounts)]
-pub struct Initialize<'info> {
+pub struct InitializeAccountConstraints<'info> {
     #[account(mut)]
     pub payer: Signer<'info>,
 
@@ -24,7 +24,7 @@ pub struct Initialize<'info> {
     pub system_program: Program<'info, System>,
 }
 
-pub fn process_initialize(context: Context<Initialize>, args: TokenMetadataArgs) -> Result<()> {
+pub fn process_initialize(context: Context<InitializeAccountConstraints>, args: TokenMetadataArgs) -> Result<()> {
     let TokenMetadataArgs { name, symbol, uri } = args;
 
     // Define token metadata

tokens/token-extensions/metadata/anchor/programs/metadata/src/instructions/remove_key.rs

@@ -4,7 +4,7 @@ use anchor_spl::token_interface::{Mint, Token2022};
 use spl_token_metadata_interface::instruction::remove_key;
 
 #[derive(Accounts)]
-pub struct RemoveKey<'info> {
+pub struct RemoveKeyAccountConstraints<'info> {
     #[account(mut)]
     pub update_authority: Signer<'info>,
 
@@ -19,7 +19,7 @@ pub struct RemoveKey<'info> {
 
 // Invoke the remove_key instruction from spl_token_metadata_interface directly
 // There is not an anchor CpiContext for this instruction
-pub fn process_remove_key(context: Context<RemoveKey>, key: String) -> Result<()> {
+pub fn process_remove_key(context: Context<RemoveKeyAccountConstraints>, key: String) -> Result<()> {
     invoke(
         &remove_key(
             &context.accounts.token_program.key(),    // token program id

tokens/token-extensions/metadata/anchor/programs/metadata/src/instructions/update_authority.rs

@@ -5,7 +5,7 @@ use anchor_spl::token_interface::{
 };
 
 #[derive(Accounts)]
-pub struct UpdateAuthority<'info> {
+pub struct UpdateAuthorityAccountConstraints<'info> {
     pub current_authority: Signer<'info>,
     pub new_authority: Option<UncheckedAccount<'info>>,
 
@@ -18,7 +18,7 @@ pub struct UpdateAuthority<'info> {
     pub system_program: Program<'info, System>,
 }
 
-pub fn process_update_authority(context: Context<UpdateAuthority>) -> Result<()> {
+pub fn process_update_authority(context: Context<UpdateAuthorityAccountConstraints>) -> Result<()> {
     let new_authority_key = match &context.accounts.new_authority {
         Some(account) => OptionalNonZeroPubkey::try_from(Some(account.key()))?,
         None => OptionalNonZeroPubkey::try_from(None)?,

tokens/token-extensions/metadata/anchor/programs/metadata/src/instructions/update_field.rs

@@ -10,7 +10,7 @@ use anchor_spl::{
 use spl_token_metadata_interface::state::{Field, TokenMetadata};
 
 #[derive(Accounts)]
-pub struct UpdateField<'info> {
+pub struct UpdateFieldAccountConstraints<'info> {
     #[account(mut)]
     pub authority: Signer<'info>,
 
@@ -23,7 +23,7 @@ pub struct UpdateField<'info> {
     pub system_program: Program<'info, System>,
 }
 
-pub fn process_update_field(context: Context<UpdateField>, args: UpdateFieldArgs) -> Result<()> {
+pub fn process_update_field(context: Context<UpdateFieldAccountConstraints>, args: UpdateFieldArgs) -> Result<()> {
     let UpdateFieldArgs { field, value } = args;
 
     // Convert to Field type from spl_token_metadata_interface