import { Checksum256 } from "./crypto";
import * as env from "./env";
import { TimePoint } from "./time";

export function assert(test: bool, msg: string): void {
    if (test) {
        return;
    }
    let s1 = String.UTF8.encode(msg, true);
    let dv = new DataView(s1);
    env.eosio_assert(0, dv.dataStart);
}

export function check(test: bool, msg: string): void {
    assert(test, msg);
}

export function currentBlockNum(): u32 {
    return env.get_block_num();
}

export function currentTimePoint(): TimePoint {
    return new TimePoint(env.current_time());
}

export function currentTime(): u64 {
    return currentTimePoint().timeSinceEpoch()
}

export function currentTimeMs(): u64 {
    return currentTimePoint().msSinceEpoch()
}

export function currentTimeSec(): u32 {
    return currentTimePoint().secSinceEpoch()
}

export function isFeatureActivated(feature: Checksum256): boolean {
    return env.is_feature_activated(feature.data.dataStart)
}