Derive Macro shank::ShankBuilder

#[derive(ShankBuilder)]
{
    // Attributes available to this derive:
    #[account]
    #[args]
}

Generates instruction builders for each annotated instruction.

An instruction builder is an struct that contains all the accounts for an instruction. You can also include #[args] attributes to specify additional arguments that are passed to the builder.

Example

When you annotate your instruction with #[derive(ShankBuilder)]:

use borsh::{BorshDeserialize, BorshSerialize};
use shank::ShankBuilder;
#[derive(Debug, Clone, ShankBuilder, BorshSerialize, BorshDeserialize)]
#[rustfmt::skip]
pub enum Instruction {
    /// This instruction stores an amout in the vault.
    #[account(0, writable, name="vault", desc="Vault account")]
    #[account(1, signer, name="authority", desc = "Authority of the vault")]
    #[account(2, signer, writable, name = "payer", desc = "Payer")]
    #[account(3, name = "system_program", desc = "System program")]
    #[args(additional_accounts: Vec<AccountMeta>)]
    Create(CreateArgs)
}

Shank will generate a CreateBuilder struct in a submodule called builders. The builder can be used to define the accounts and arguments for the instruction:

let create_ix = CreateBuilder::new()
   .vault(vault_pubkey)
   .authority(authority_pubkey)
   .payer(payer_pubkey)
   .build(additional_accounts)
   .instruction();