ledger-prototype/utxo/src/error.rs

use crate::{amount, asset::Asset, status, storage, token, transaction, AccountId, Amount};
use serde::Serialize;

/// The errors that can happen in the Verax crate
#[derive(thiserror::Error, Debug, Serialize)]
pub enum Error {
    /// A transaction error
    #[error("Transaction: {0}")]
    Transaction(#[from] transaction::Error),

    /// Transaction not found
    #[error("Transaction not found")]
    TxNotFound,

    /// An internal conversion error
    #[error("Conversion overflow: {0}")]
    Overflow(String),

    /// An internal conversion error
    #[error("Conversion overflow: {0}")]
    Underflow(String),

    /// A storage error
    #[error("Storage: {0}")]
    Storage(#[from] storage::Error),

    /// A status error
    #[error("Status update: {0}")]
    Status(#[from] status::Error),

    /// The asset is not defined
    #[error("Asset {0} is not defined")]
    AssetIdNotFound(Asset),

    /// The asset is not found
    #[error("Asset {0} is not defined")]
    AssetNotFound(String),

    /// The account has not enough balance to perform the operation
    #[error("Not enough funds (asset {1}) for account {0}")]
    InsufficientBalance(AccountId, Asset),

    /// The amount is invalid
    #[error("Invalid amount: {0}")]
    InvalidAmount(#[from] amount::Error),

    /// Invalid token
    #[error("Invalid update token: {0}")]
    InvalidToken(#[from] token::Error),

    /// Valid update token is required
    #[error("Valid update token is required")]
    ValidUpdateTokenRequired,

    /// Account has negative balance
    #[error("Account {0} has negative balance. Withdrawal is not allowed.")]
    NegativeBalance(AccountId, Vec<Amount>),
}