TransactionHeader

TransactionHeader carries structured metadata for a transaction.

Package: thru.core.v1

Fields

Field	Type	#	Description
`fee_payer_signature`	`thru.common.v1.Signature`	1 · optional
`version`	`uint32`	2 · optional
`flags`	`uint32`	3 · optional
`readwrite_accounts_count`	`uint32`	4 · optional
`readonly_accounts_count`	`uint32`	5 · optional
`instruction_data_size`	`uint32`	6 · optional
`requested_compute_units`	`uint32`	7 · optional
`requested_state_units`	`uint32`	8 · optional
`requested_memory_units`	`uint32`	9 · optional
`expiry_after`	`uint32`	10 · optional
`fee`	`uint64`	11 · optional
`nonce`	`uint64`	12 · optional
`start_slot`	`uint64`	13 · optional
`fee_payer_pubkey`	`thru.common.v1.Pubkey`	14 · optional
`program_pubkey`	`thru.common.v1.Pubkey`	15 · optional
`chain_id`	`uint32`	16 · optional	Chain identifier to prevent transaction replay across different chains.