solana: remove mut (token bridge)

solana/idl/token_bridge.json

@@ -402,7 +402,7 @@
                 },
                 {
                     "name": "mint",
-                    "isMut": true,
+                    "isMut": false,
                     "isSigner": false
                 },
                 {
@@ -833,7 +833,7 @@
                 },
                 {
                     "name": "mint",
-                    "isMut": true,
+                    "isMut": false,
                     "isSigner": false
                 },
                 {

solana/modules/token_bridge/program/src/api/transfer.rs

@@ -59,7 +59,7 @@ pub struct TransferNative<'b> {
 
     pub from: Mut<Data<'b, SplAccount, { AccountState::Initialized }>>,
 
-    pub mint: Mut<Data<'b, SplMint, { AccountState::Initialized }>>,
+    pub mint: Data<'b, SplMint, { AccountState::Initialized }>,
 
     pub custody: Mut<CustodyAccount<'b, { AccountState::MaybeInitialized }>>,
 
@@ -174,7 +174,7 @@ pub fn verify_and_execute_native_transfers(
     derivation_data: &CustodyAccountDerivationData,
     payer: &Mut<Signer<AccountInfo>>,
     from: &Mut<Data<SplAccount, { AccountState::Initialized }>>,
-    mint: &Mut<Data<SplMint, { AccountState::Initialized }>>,
+    mint: &Data<SplMint, { AccountState::Initialized }>,
     custody: &Mut<CustodyAccount<{ AccountState::MaybeInitialized }>>,
     authority_signer: &AuthoritySigner,
     custody_signer: &CustodySigner,

solana/modules/token_bridge/program/src/api/transfer_payload.rs

@@ -128,7 +128,7 @@ pub struct TransferNativeWithPayload<'b> {
     pub config: ConfigAccount<'b, { AccountState::Initialized }>,
 
     pub from: Mut<Data<'b, SplAccount, { AccountState::Initialized }>>,
-    pub mint: Mut<Data<'b, SplMint, { AccountState::Initialized }>>,
+    pub mint: Data<'b, SplMint, { AccountState::Initialized }>,
     pub custody: Mut<CustodyAccount<'b, { AccountState::MaybeInitialized }>>,
 
     // This could allow someone to race someone else's tx if they do the approval in a separate tx.

solana/modules/token_bridge/program/src/instructions.rs

@@ -505,7 +505,7 @@ pub fn transfer_native(
             AccountMeta::new(payer, true),
             AccountMeta::new_readonly(config_key, false),
             AccountMeta::new(from, false),
-            AccountMeta::new(mint, false),
+            AccountMeta::new_readonly(mint, false),
             AccountMeta::new(custody_key, false),
             AccountMeta::new_readonly(authority_signer_key, false),
             AccountMeta::new_readonly(custody_signer_key, false),
@@ -590,7 +590,7 @@ pub fn transfer_native_with_payload(
             AccountMeta::new(payer, true),
             AccountMeta::new_readonly(config_key, false),
             AccountMeta::new(from, false),
-            AccountMeta::new(mint, false),
+            AccountMeta::new_readonly(mint, false),
             AccountMeta::new(custody_key, false),
             AccountMeta::new_readonly(authority_signer_key, false),
             AccountMeta::new_readonly(custody_signer_key, false),