OP-Stack

OpPreconf

Preconfirmation structure containing a sequencer-signed execution payload. Preconfirmations are OP-Stack sequencer commitments that provide early block availability.

The Type is defined in src/chains/op/ssz/op_proof_types.h.

class OpPreconf(Container):
    payload   : Union [         # the execution payload (compressed or uncompressed)
        Bytes[1073741824],      # ZSTD-compressed execution payload (domain + payload)
        Bytes[1073741824]]      # uncompressed execution payload (domain + payload)
    signature : ByteVector [65] # the sequencer signature (65 bytes: r, s, v)