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use fuel_types::bytes::WORD_SIZE;
use fuel_types::{Bytes32, Salt};

/// Maximum contract size, in bytes.
pub const CONTRACT_MAX_SIZE: u64 = 16 * 1024 * 1024;

/// Maximum number of inputs.
pub const MAX_INPUTS: u8 = 255;

/// Maximum number of outputs.
pub const MAX_OUTPUTS: u8 = 255;

/// Maximum number of witnesses.
pub const MAX_WITNESSES: u8 = 255;

/// Maximum gas per transaction.
pub const MAX_GAS_PER_TX: u64 = 1000000;

// TODO set max script length const
/// Maximum length of script, in instructions.
pub const MAX_SCRIPT_LENGTH: u64 = 1024 * 1024;

// TODO set max script length const
/// Maximum length of script data, in bytes.
pub const MAX_SCRIPT_DATA_LENGTH: u64 = 1024 * 1024;

/// Maximum number of static contracts.
pub const MAX_STATIC_CONTRACTS: u64 = 255;

/// Maximum number of initial storage slots.
pub const MAX_STORAGE_SLOTS: u16 = 255;

// TODO set max predicate length value
/// Maximum length of predicate, in instructions.
pub const MAX_PREDICATE_LENGTH: u64 = 1024 * 1024;

// TODO set max predicate data length value
/// Maximum length of predicate data, in bytes.
pub const MAX_PREDICATE_DATA_LENGTH: u64 = 1024 * 1024;

pub const TRANSACTION_SCRIPT_FIXED_SIZE: usize = WORD_SIZE // Identifier
    + WORD_SIZE // Gas price
    + WORD_SIZE // Gas limit
    + WORD_SIZE // Byte price
    + WORD_SIZE // Maturity
    + WORD_SIZE // Script size
    + WORD_SIZE // Script data size
    + WORD_SIZE // Inputs size
    + WORD_SIZE // Outputs size
    + WORD_SIZE // Witnesses size
    + Bytes32::LEN; // Receipts root

pub const TRANSACTION_CREATE_FIXED_SIZE: usize = WORD_SIZE // Identifier
    + WORD_SIZE // Gas price
    + WORD_SIZE // Gas limit
    + WORD_SIZE // Byte price
    + WORD_SIZE // Maturity
    + WORD_SIZE // Bytecode size
    + WORD_SIZE // Bytecode witness index
    + WORD_SIZE // Static contracts size
    + WORD_SIZE // Storage slots size
    + WORD_SIZE // Inputs size
    + WORD_SIZE // Outputs size
    + WORD_SIZE // Witnesses size
    + Salt::LEN; // Salt