Enum ValidateHeaderError 

pub enum ValidateHeaderError {
    HeaderIsOld,
    DoesNotMatchCheckpoint,
    InvalidPoWForHeaderTarget,
    InvalidPoWForComputedTarget,
    TargetDifficultyAboveMax,
    HeightTooLow,
    PrevHeaderNotFound,
}

An error thrown when trying to validate a header.

Variants

HeaderIsOld

Used when the timestamp in the header is lower than the median of timestamps of past 11 headers.

DoesNotMatchCheckpoint

Used when the header doesn’t match with a checkpoint.

InvalidPoWForHeaderTarget

Used when the PoW in the header is invalid as per the target mentioned in the header.

InvalidPoWForComputedTarget

Used when the PoW in the header is invalid as per the target computed based on the previous headers.

TargetDifficultyAboveMax

Used when the target in the header is greater than the max possible value.

HeightTooLow

The next height is less than the tip height - 52_596 (one year worth of blocks).

PrevHeaderNotFound

Used when the predecessor of the input header is not found in the HeaderStore.

Trait Implementations

impl Debug for ValidateHeaderError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.