tari_template_lib 0.19.1

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use tari_template_abi::{EngineOp, call_engine};

use crate::args::{ConsensusAction, ConsensusInvokeArg, InvokeResult};

/// The Consensus module provides access to data about the current state of the
/// chain. Currently, it only exposes the epoch via `current_epoch`.
pub struct Consensus {}

impl Consensus {
    /// Returns the current epoch of the chain, according to the validator node that is running this engine.
    pub fn current_epoch() -> u64 {
        let resp: InvokeResult = call_engine(EngineOp::ConsensusInvoke, &ConsensusInvokeArg {
            action: ConsensusAction::GetCurrentEpoch,
        });
        resp.decode()
            .expect("Consensus GetCurrentEpoch returned invalid resource type")
    }
}