libreplex_metadata 0.10.0

Created with Anchor
Documentation 
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use anchor_lang::prelude::*;

use anchor_lang::{AnchorDeserialize, AnchorSerialize};

use crate::{Royalties};

#[derive(Clone, AnchorDeserialize, AnchorSerialize)]
pub enum License {
    NoLicense,
    Custom {
        license_url: String
    }
}

impl License {
    pub fn get_size(&self)-> usize {
        return 2 + match &self {
            License::NoLicense => 0,
            License::Custom { license_url } => 4 + license_url.len()
        }
    }
}

#[derive(Clone, AnchorDeserialize, AnchorSerialize)]
pub enum MetadataExtension {
    None,
    Nft {
        attributes: Vec<u8>, // base: 4
        signers: Vec<Pubkey>, // base: 4
        royalties: Option<Royalties>, // base: 4
        license: Option<License>,
    }
}


impl MetadataExtension {
    
    pub const BASE_SIZE: usize = 2;

    pub fn get_size(&self) -> usize {
        MetadataExtension::BASE_SIZE 
        + match self {
            MetadataExtension::None => 0,
            MetadataExtension::Nft {attributes, signers, royalties, license} =>  
              4 + &attributes.len()
            + 4 + &signers.len() * 32
            + 1 + match &royalties {
                Some(x)=>x.get_size(),
                None=>0
            } 
            + 1 + match &license {
                Some(x) => x.get_size(),
                None => 0
            }
        }
           
         

        
    }
}