Messages

This document describes the different messages that are sent

Encoding

All messages are encoded in json format

Types

HeartBeat

Heartbeat messages are posted to the heartbeat channel periodically.

Field	Datatype	Description
blocknum	int	Current block number
head_blocknum	int	Head block number
last_irreversible_blocknum	int	block number of the last irreversible block

Transaction

ActionTrace

Field	Datatype	Description
tx_id	string	Transaction ID
blocknum	int	Block number where this action trace (and transaction) belongs to
blocktimestamp	time	Block timestamp
receipt	ActionReceipt	Action receipt
receiver	string	Receiver account
first_receiver	bool	True if receiver is the first account to get notified
contract	string	Contract account
action	string	What action was executed on the contract
data	any	Contract specific data (decoded using the contracts abi)
authorization	PermissionLevel[]	Authorization

ActionReceipt

Field	Datatype	Description
receiver	string	Actor account name
act_digest	string	Action digest
global_sequence	int	Global sequence
recv_sequence	int	Receive sequence
auth_sequence	AccountAuthSequence[]	Auth sequence
code_sequence	int	Code sequence
abi_sequence	int	ABI sequence

PermissionLevel

Field	Datatype	Description
actor	string	Actor account name
permission	string	Permission (for example: active)

AccountAuthSequence

Field	Datatype	Description
account	string	Account name
sequence	int	Sequence

RollbackMessage

Field	Datatype	Description
new_block	int	The current block number
old_block	int	Last block number that was received.

TableDelta

Field	Datatype	Description
blocknum	int	Block number
blocktimestamp	time	Block timestamp
name	string	Table name
rows	TableDeltaRow[]	Rows in the delta

TableDeltaRow

Field	Datatype	Description
present	bool	-
data	TableDeltaRowContract | any	Decoded data
raw_data	base64_string	Raw data in base64 encoded string

TableDeltaRowContract

These messages are only relevant when listening to Table deltas channel when name is contract_row.

Field	Datatyp	Description
table	string	table name
scope	string	table scope
primary_key	string | int	Primary ID for the row.
code	string	Account name where that has the contract code
payer	string	Account name that payed for the ram that this row consumes
value	map | base64_string	Actual data in the table

Thalos can decode contract row data in vaule using the contracts abi. If Thalos could not decode the data then value will contain a base64_string of the raw value instead.