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#[macro_use]
extern crate enum_display_derive;

mod block_verifier;
pub mod cache;
mod contextual_block_verifier;
mod convert;
mod error;
mod genesis_verifier;
mod header_verifier;
mod transaction_verifier;
mod uncles_verifier;

#[cfg(test)]
mod tests;

pub use crate::block_verifier::{
    BlockVerifier, HeaderResolverWrapper, NonContextualBlockTxsVerifier,
};
pub use crate::contextual_block_verifier::{ContextualBlockVerifier, Switch, VerifyContext};
pub use crate::error::{
    BlockError, BlockErrorKind, BlockTransactionsError, BlockVersionError, CellbaseError,
    CommitError, EpochError, HeaderError, HeaderErrorKind, InvalidParentError, NumberError,
    PowError, TimestampError, TransactionError, UnclesError, UnknownParentError,
};
pub use crate::genesis_verifier::GenesisVerifier;
pub use crate::header_verifier::{HeaderResolver, HeaderVerifier};
pub use crate::transaction_verifier::{
    ContextualTransactionVerifier, NonContextualTransactionVerifier, ScriptVerifier, Since,
    SinceMetric, TimeRelativeTransactionVerifier, TransactionVerifier,
};

pub const ALLOWED_FUTURE_BLOCKTIME: u64 = 15 * 1000; // 15 Second

pub(crate) const LOG_TARGET: &str = "ckb_chain";

pub trait Verifier {
    type Target;
    fn verify(&self, target: &Self::Target) -> Result<(), ckb_error::Error>;
}