XChain Platform Action - BROADCAST
This action broadcasts a message, and can also be used to create oracles and data feeds.
Betting does not use
BROADCAST. Betting markets are created, wagered on, and resolved with the self-containedBETaction. The feed formats below are general-purpose data feeds and carry no betting, escrow, or settlement behaviour.
PARAMS
| Name | Type | Description |
|---|---|---|
VERSION |
String | Format Version |
MESSAGE |
String | A text string |
VALUE |
String | Numerical value |
FEE |
String | Indicates usage percentage fee (1=1%, 2=2%, etc) |
MEMO |
String | An optional memo to include |
BROADCAST_ACTION_INDEX |
String | ACTION_INDEX of broadcast action |
Formats
Version 0 - Broadcast Message
VERSION|MESSAGE|VALUE
Version 1 - Broadcast Oracle
VERSION|MESSAGE|VALUE|FEE|MEMO
Version 2 - Broadcast Data Feed
VERSION|MESSAGE|FEE|MEMO
Version 3 - Broadcast Data Feed Update
VERSION|BROADCAST_ACTION_INDEX|VALUE|MEMO
Examples
BROADCAST|0|This is a test
This example broadcasts a simple message
BROADCAST|1|BTC-USD|84860|0.01|BTC Price on Sat Apr 12 2025 14:35:36 UTC
This example creates an oracle for BTC-USD price, gives the current price, indicates a 1% oracle usage fee, and includes a memo
BROADCAST|2|BTC-USD hourly close|1|Published every hour on the hour
This example creates a named data feed, charges a 1% oracle usage fee, and includes a memo
BROADCAST|3|1234|84860|BTC-USD close on Tue Aug 19 2025 01:55:00 UTC
This example publishes a new value on the feed created in the previous example with an `ACTION_INDEX` of 1234, and includes a memo
Rules
Notes
CASTACTIONcan be used for shorter reference toBROADCASTACTION- Price oracles can be created by broadcasting TICK-FIAT as
MESSAGE, price asVALUE, and aFEED_FEEandTIMESTAMP - Data feeds are created with
FORMAT2 (name the feed inMESSAGE, set an optional usageFEE) and updated withFORMAT3 (reference the feed byBROADCAST_ACTION_INDEXand publish the newVALUE) - Feeds carry data only. Nothing settles against them and nothing is escrowed on them; betting markets are
BET
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