Redis channels

This document describes the redis channels used by thalos to deliver messages.

Namespace

First. all channels have a namespace attached to them. this is done to prevent other application to clash with the keys.

The namespace have the following format: <prefix>::<chain_id>

• prefix is per default ship but can be configured to be something else.
• chain_id is the chain's id and is used to separate transactions if multiple chains are setup in the same redis database.

Transactions

All transactions are posted to the following channel:

<namespace>::transactions

Actions

there is 4 types of channels for actions.

The channel where all actions are posted is:

<namespace>::actions

Channel where only specific actions are posted:

<namespace>::actions/name/<action>

Channel where only actions on a specific <contract> is posted:

<namespace>::actions/contract/<contract>

Channel where only <action> on a specific <contract> is posted:

<namespace>::actions/contract/<contract>/name/<action>

Rollback

Rollback mesages are posted to this channel.

<namespace>::rollback

Table delta

Table deltas are posted to the following channels

All deltas:

<namespace>::tabledeltas

Only deltas for a specific type.

<namespace>::tabledeltas/name/<name>

<name> can be one of

• account_metadata
• contract_table
• contract_row
• contract_index64
• resource_usage
• resource_limits_state