shank-parse 0.1.1

A proc-macro crate that generates Rust client code from Shank/Anchor IDL JSON files for Solana programs.
Documentation 
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shank_parse::shank_parse!("../idl/basic_mint.json");

#[cfg(test)]
mod tests {
    use super::basic_mint::instructions::*;
    use super::basic_mint::ID;
    use shank_parse::__private::Pubkey;

    // ── Program ID ────────────────────────────────────────────────────────────

    #[test]
    fn test_program_id() {
        assert_eq!(ID.to_string(), "8F1XtWR4wTs37nnutBvd2MWpCTfb7XAciFYkw5XHaENj");
    }

    // ── instructions ─────────────────────────────────────────────────────────

    #[test]
    fn test_create_mint_instruction() {
        let program_id = Pubkey::new_from_array([1u8; 32]);
        let accounts = CreateMintAccounts {
            payer: Pubkey::new_from_array([2u8; 32]),
            mint: Pubkey::new_from_array([3u8; 32]),
            token_program: Pubkey::new_from_array([4u8; 32]),
            system_program: Pubkey::new_from_array([5u8; 32]),
        };
        let args = CreateMintArgs {
            decimals: 9,
            name: [0u8; 32],
            symbol: [0u8; 8],
            uri: [0u8; 64],
        };
        let ix = create_mint(&program_id, &accounts, &args);

        assert_eq!(ix.program_id, program_id);
        assert_eq!(ix.accounts.len(), 4);
        assert_eq!(ix.data[0], 0); // discriminant
        assert_eq!(ix.data[1], 9); // decimals
        assert_eq!(&ix.data[2..34], &[0u8; 32]); // name
        assert_eq!(&ix.data[34..42], &[0u8; 8]); // symbol
        assert_eq!(&ix.data[42..106], &[0u8; 64]); // uri
    }

    #[test]
    fn test_transfer_mint_instruction() {
        let program_id = Pubkey::new_from_array([1u8; 32]);
        let accounts = TransferMintAccounts {
            from_token_account: Pubkey::new_from_array([2u8; 32]),
            mint: Pubkey::new_from_array([3u8; 32]),
            to_token_account: Pubkey::new_from_array([4u8; 32]),
            authority: Pubkey::new_from_array([5u8; 32]),
            token_program: Pubkey::new_from_array([6u8; 32]),
        };
        let args = TransferMintArgs {
            amount: 1000,
            decimals: 6,
        };
        let ix = transfer_mint(&program_id, &accounts, &args);

        assert_eq!(ix.data[0], 1); // discriminant
        assert_eq!(
            u64::from_le_bytes(ix.data[1..9].try_into().expect("slice")),
            1000
        );
        assert_eq!(ix.data[9], 6); // decimals
        assert_eq!(ix.accounts.len(), 5);
        assert!(ix.accounts[0].is_writable); // from_token_account
        assert!(!ix.accounts[1].is_writable); // mint (read-only)
        assert!(ix.accounts[3].is_signer); // authority
    }

    #[test]
    fn test_create_mint_args_struct() {
        let args = CreateMintArgs {
            decimals: 9,
            name: [b'T'; 32],
            symbol: [b'S'; 8],
            uri: [b'U'; 64],
        };
        assert_eq!(args.decimals, 9);
        assert_eq!(args.name, [b'T'; 32]);
        assert_eq!(args.symbol, [b'S'; 8]);
        assert_eq!(args.uri, [b'U'; 64]);
    }
}