PrefilledTransaction

Name

Data Type

Bytes

Description

index

CompactSize

Varies

The index into the block at which this transaction is located. Differentially encoded, i.e. the resulting index is calculated as effective_index = previous_index + index + 1. If it’s the first index in the list it is taken as it is.

tx

Transaction

Varies

The transaction which is in the block at the effective index.