error.rs

use cosmwasm_std::StdError;
use thiserror::Error;

#[derive(Error, Debug)]
pub enum ContractError {
    #[error("{0}")]
    Std(#[from] StdError),

    #[error("Unauthorized")]
    Unauthorized {},

    #[error("Proposal not found: {id}")]
    ProposalNotFound { id: u64 },

    #[error("Proposal is not active")]
    ProposalNotActive {},

    #[error("Already voted on proposal {id}")]
    AlreadyVoted { id: u64 },

    #[error("Voter holds no tokens for {token_address}")]
    NoTokenBalance { token_address: String },

    #[error("Handle @{handle} is already tracked")]
    HandleAlreadyTracked { handle: String },

    #[error("Token {token_address} already has an active rename proposal")]
    ActiveRenameExists { token_address: String },

    #[error("Invalid twitter handle: {handle}")]
    InvalidHandle { handle: String },

    #[error("Invalid token address")]
    InvalidTokenAddress {},

    #[error("Name cannot be empty")]
    EmptyName {},

    #[error("Symbol cannot be empty")]
    EmptySymbol {},

    #[error("Rename proposal has not reached required approval")]
    RenameNotApproved {},

    #[error("Handle not found in tracked list")]
    HandleNotTracked {},

    #[error("Insufficient BWICK balance: required {required}, have {balance}")]
    InsufficientBwickBalance { required: u64, balance: u64 },

    #[error("Voting window is still open")]
    VotingWindowOpen {},

    #[error("Title too long (max 100 chars)")]
    TitleTooLong {},

    #[error("Description too long (max 500 chars)")]
    DescriptionTooLong {},
}