docs: update to use anchor 0.31.0

docs/content/docs/basics/cpi.mdx

@@ -142,10 +142,10 @@ The `sol_transfer` instruction included in the example code shows a typical
 approach for constructing CPIs using the Anchor framework.
 
 This approach involves creating a
-[`CpiContext`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/src/context.rs#L171),
+[`CpiContext`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/src/context.rs#L171),
 which includes the `program_id` and accounts required for the instruction being
 called. The `CpiContext` is then passed to an Anchor helper function
-([`transfer`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/src/system_program.rs#L298))
+([`transfer`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/src/system_program.rs#L298))
 to invoke a specific instruction.
 
 ```rust
@@ -472,7 +472,7 @@ The `sol_transfer` instruction included in the example code shows a typical
 approach for constructing CPIs using the Anchor framework.
 
 This approach involves creating a
-[`CpiContext`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/src/context.rs#L171),
+[`CpiContext`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/src/context.rs#L171),
 which includes the `program_id` and accounts required for the instruction being
 called, followed by a helper function (`transfer`) to invoke a specific
 instruction.

docs/content/docs/basics/idl.mdx

@@ -428,9 +428,10 @@ ed = 237
 
 You can find the implementation of the discriminator generation in the Anchor
 codebase
-[here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/syn/src/codegen/program/common.rs#L5-L19),
+[here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/syn/src/codegen/program/common.rs#L5-L19), 
+for the [`gen_discriminator` method here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/syn/src/codegen/program/common.rs#L21-L24),
 which is used
-[here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/syn/src/codegen/program/instruction.rs#L27).
+[here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/syn/src/codegen/program/instruction.rs#L33).
 
 </Tab>
 <Tab value="Accounts">
@@ -479,7 +480,7 @@ e8 = 232
 
 You can find the implementation of the discriminator generation in the Anchor
 codebase
-[here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/lib.rs#L101-L117).
+[here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/lib.rs#L101-L117).
 
 <Callout type="info">
   Note that different programs using identical account names will generate the

docs/content/docs/basics/program-structure.mdx

@@ -61,10 +61,10 @@ pub struct NewAccount {
 ## declare_id! macro
 
 The
-[`declare_id`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/lib.rs#L439)
+[`declare_id`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/lib.rs#L537)
 macro specifies the on-chain address of the program, known as the program ID.
 You can find the implementation of the code generated by the `declare_id!` macro
-[here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/id.rs#L40-L73).
+[here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/id.rs#L37-L70).
 
 ```rust title="lib.rs"
 use anchor_lang::prelude::*;
@@ -91,14 +91,14 @@ the one generated when you run `anchor build` locally.
 ## #[program] attribute
 
 The
-[`#[program]`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/program/src/lib.rs#L12)
+[`#[program]`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/program/src/lib.rs#L12)
 attribute annotates the module containing all the instruction handlers for your
 program. Each public function within this module corresponds to an instruction
 that can be invoked.
 
 You can find the implementation of the code generated by the `#[program]`
 attribute
-[here](https://github.com/coral-xyz/anchor/tree/v0.30.1/lang/syn/src/codegen/program).
+[here](https://github.com/coral-xyz/anchor/tree/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/syn/src/codegen/program).
 
 ```rust title="lib.rs"
 use anchor_lang::prelude::*;
@@ -137,11 +137,11 @@ pub struct NewAccount {
 Instruction handlers are functions that define the logic executed when an
 instruction is invoked. The first parameter of each handler is a `Context<T>`
 type, where `T` is a struct implementing the
-[`Accounts`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/src/lib.rs#L105)
+[`Accounts`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/src/lib.rs#L108)
 trait and specifies the accounts the instruction requires.
 
 The
-[`Context`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/src/context.rs#L24)
+[`Context`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/src/context.rs#L24)
 type provides the instruction with access to the following non-argument inputs:
 
 ```rust
@@ -213,16 +213,16 @@ pub struct Initialize<'info> {
 ## #[derive(Accounts)] macro
 
 The
-[`#[derive(Accounts)]`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/derive/accounts/src/lib.rs#L630)
+[`#[derive(Accounts)]`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/derive/accounts/src/lib.rs#L631)
 macro is applied to a struct to specify the accounts that must be provided when
 an instruction is invoked. This macro implements the
-[`Accounts`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/src/lib.rs#L105)
+[`Accounts`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/src/lib.rs#L108)
 trait, which simplifies account validation and serialization and deserialization
 of account data.
 
 You can find the implementation of the code generated by the
 `#[derive(Accounts)]` macro
-[here](https://github.com/coral-xyz/anchor/tree/v0.30.1/lang/syn/src/codegen/accounts).
+[here](https://github.com/coral-xyz/anchor/tree/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/syn/src/codegen/accounts).
 
 ```rust
 // [!code word:Accounts]
@@ -268,9 +268,9 @@ Anchor programs in two ways that are generally used together:
   `Accounts` trait.
 
   You can find a full list of the constraints
-  [here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/syn/src/parser/accounts/constraints.rs)
+  [here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/syn/src/parser/accounts/constraints.rs)
   and implementation
-  [here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/syn/src/codegen/accounts/constraints.rs).
+  [here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/syn/src/codegen/accounts/constraints.rs).
 
   ```rust
   #[derive(Accounts)]
@@ -290,7 +290,7 @@ Anchor programs in two ways that are generally used together:
   what the program expects.
 
   You can find the implementation of the account types
-  [here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/src/accounts).
+  [here](https://github.com/coral-xyz/anchor/tree/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/src/accounts).
 
   ```rust
   #[derive(Accounts)]
@@ -346,7 +346,7 @@ pub struct NewAccount {
 ## #[account] attribute
 
 The
-[`#[account]`](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/lib.rs#L66)
+[`#[account]`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/lib.rs#L97)
 attribute is applied to structs that define the structure of the data stored in
 custom accounts created by your program.
 
@@ -362,14 +362,14 @@ This macro implements various traits
 [detailed here](https://docs.rs/anchor-lang/latest/anchor_lang/attr.account.html).
 The key functionalities of the `#[account]` macro include:
 
-- [Assign Program Owner](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/lib.rs#L119-L132):
+- [Assign Program Owner](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/lib.rs#L130-L143):
   When creating an account, the program owner of the account is automatically
   set to the program specified in `declare_id`.
-- [Set Discriminator](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/lib.rs#L101-L117):
+- [Set Discriminator](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/lib.rs#L111-L128):
   A unique 8 byte discriminator, specific to the account type, is added as the
   first 8 bytes of account data during its initialization. This helps in
   differentiating account types and is used for account validation.
-- [Data Serialization and Deserialization](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/lib.rs#L202-L246):
+- [Data Serialization and Deserialization](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/lib.rs#L224-L270):
   Account data is automatically serialized and deserialized as the account type.
 
 ```rust title="lib.rs"
@@ -411,7 +411,7 @@ pub struct NewAccount {
 An account discriminator in an Anchor program refers to an 8 byte identifier
 unique to each account type. You can find the implementation of the account
 discriminator
-[here](https://github.com/coral-xyz/anchor/blob/v0.30.1/lang/attribute/account/src/lib.rs#L101-L117).
+[here](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/lang/attribute/account/src/lib.rs#L111-L128).
 
 The discriminator is the first 8 bytes of the SHA256 hash of the string
 `account:<AccountName>`. This discriminator is stored as the first 8 bytes of

docs/content/docs/clients/rust.mdx

@@ -6,7 +6,7 @@ description:
 
 The [`anchor-client`](https://docs.rs/anchor-client/latest/anchor_client/) crate
 is the Rust client library for interacting with Anchor programs. You can find
-the source code [here](https://github.com/coral-xyz/anchor/tree/v0.30.1/client).
+the source code [here](https://github.com/coral-xyz/anchor/tree/0e5285aecdf410fa0779b7cd09a47f235882c156/client).
 
 ## Example
 

docs/content/docs/clients/typescript.mdx

@@ -6,7 +6,7 @@ description:
 ---
 
 Anchor provides a Typescript client library
-([@coral-xyz/anchor](https://github.com/coral-xyz/anchor/tree/v0.30.1/ts/packages/anchor))
+([@coral-xyz/anchor](https://github.com/coral-xyz/anchor/tree/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor))
 that simplifies the process of interacting with Solana programs from the client
 in JavaScript or TypeScript.
 
@@ -20,11 +20,11 @@ in JavaScript or TypeScript.
 
 To interact with an Anchor program using `@coral-xyz/anchor`, you'll need to
 create a
-[`Program`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/index.ts#L58)
+[`Program`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/index.ts#L58)
 instance using the program's [IDL file](/docs/basics/idl).
 
 Creating an instance of the `Program` requires the program's IDL and an
-[`AnchorProvider`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/provider.ts#L55).
+[`AnchorProvider`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/provider.ts#L59).
 An `AnchorProvider` is an abstraction that combines two things:
 
 - `Connection` - the connection to a Solana cluster (i.e. localhost, devnet,
@@ -120,7 +120,7 @@ describe("hello_anchor", () => {
 ## Invoke Instructions
 
 Once the `Program` is set up using a program's IDL file, you can use the Anchor
-[`MethodsBuilder`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/methods.ts#L155)
+[`MethodsBuilder`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/methods.ts#L155)
 to:
 
 - Build individual instructions
@@ -216,9 +216,9 @@ Anchor provides multiple methods for building program instructions:
 <Tab value=".rpc">
 
 The
-[`rpc()`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/methods.ts#L283)
+[`rpc()`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/methods.ts#L428)
 method
-[sends a signed transaction](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/rpc.ts#L29)
+[sends a signed transaction](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/rpc.ts#L29)
 with the specified instruction and returns a `TransactionSignature`.
 
 When using `.rpc`, the `Wallet` from the `Provider` is automatically included as
@@ -246,9 +246,9 @@ const transactionSignature = await program.methods
 <Tab value=".transaction">
 
 The
-[`transaction()`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/methods.ts#L382)
+[`transaction()`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/methods.ts#L348)
 method
-[builds a `Transaction`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/transaction.ts#L18-L26)
+[builds a `Transaction`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/transaction.ts#L18-L26)
 with the specified instruction without sending the transaction.
 
 ```ts
@@ -277,9 +277,9 @@ const transactionSignature = await connection.sendTransaction(transaction, [
 <Tab value=".instruction">
 
 The
-[`instruction()`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/methods.ts#L348)
+[`instruction()`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/methods.ts#L323)
 method
-[builds a `TransactionInstruction`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/instruction.ts#L57-L61)
+[builds a `TransactionInstruction`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/instruction.ts#L57-L61)
 using the specified instruction. This is useful if you want to manually add the
 instruction to a transaction and combine it with other instructions.
 
@@ -322,7 +322,7 @@ IDL. Anchor provides multiple methods for fetching accounts.
 <Tab value="all">
 
 Use
-[`all()`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/account.ts#L251)
+[`all()`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/account.ts#L251)
 to fetch all existing accounts for a specific account type.
 
 ```ts
@@ -357,7 +357,7 @@ const accounts = await program.account.newAccount.all([
 <Tab value="fetch">
 
 Use
-[`fetch()`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/account.ts#L165)
+[`fetch()`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/account.ts#L165)
 to fetch the account data for a single account
 
 ```ts
@@ -369,7 +369,7 @@ const account = await program.account.newAccount.fetch(ACCOUNT_ADDRESS);
 <Tab value="fetchMultiple">
 
 Use
-[`fetchMultiple()`](https://github.com/coral-xyz/anchor/blob/v0.30.1/ts/packages/anchor/src/program/namespace/account.ts#L200)
+[`fetchMultiple()`](https://github.com/coral-xyz/anchor/blob/0e5285aecdf410fa0779b7cd09a47f235882c156/ts/packages/anchor/src/program/namespace/account.ts#L200)
 to fetch the account data for multiple accounts by passing in an array of
 account addresses