// PDA ["schema", credential, name, version]
#[derive(Clone, Debug, PartialEq, ShankAccount)]
#[repr(C)]
pub struct Schema {
    /// The Credential that manages this Schema
    pub credential: Pubkey,
    /// Name of Schema, in UTF8-encoded byte string.
    pub name: Vec<u8>,
    /// Description of what schema does, in UTF8-encoded byte string.
    pub description: Vec<u8>,
    /// The schema layout where data will be encoded with, in array of SchemaDataTypes.
    pub layout: Vec<u8>,
    /// Field names of schema stored as serialized array of Strings.
    /// First 4 bytes are number of bytes in array.
    pub field_names: Vec<u8>,
    /// Whether or not this schema is still valid
    pub is_paused: bool,
    /// Version of this schema. Defaults to 1.
    pub version: u8,
}