Interface HeaderChainOptions

interface HeaderChainOptions {
    base: HeaderChainBase;
    checkpoints?: ReadonlyMap<number, string>;
    file?: string;
    now?: () => number;
    params?: ChainParams;
}

Properties

checkpoints?: ReadonlyMap<number, string>

enforced whenever the chain crosses one of these heights

file?: string

persistence file (raw concatenated 80-byte headers, base first)

now?: () => number

clock in UNIX seconds (injectable for tests); bounds header timestamps