Instance Method

blockHeader(for:)

The 80-byte header of the block with the given hash, parsed through init(_:).

func blockHeader(for hash: Data) async throws -> BlockHeader

Parameters

hash: 32-byte block hash in internal byte order.

Return Value

A validated BlockHeader — the kernel will have already checked structure, though not proof-of-work or timestamp context.

Discussion

Throws

BlockSourceError.notFound if the hash is unknown to the source; BlockSourceError.invalidResponse(_:) if the returned bytes don’t decode cleanly.