The application header is a network-agnostic block header. Different networks may wrap the application header in a consensus header, depending on their consensus protocol.
| name | type | description |
|---|---|---|
da_height | uint64 | Height of the data availability layer up to which (inclusive) input messages are processed. |
txCount | uint64 | Number of transactions in this block. |
message_receipt_count | uint64 | Number of output messages in this block. |
txRoot | byte[32] | Merkle root of transactions in this block. |
message_receipt_root | byte[32] | Merkle root of output messages messageId in this block. |