JustSaying
This is a message type, which doesn't require response back.
Example:
const network = require('ocore/network.js');
const eventBus = require('ocore/event_bus.js');
const ws = network.getInboundDeviceWebSocket(device_address);
// function parameters: websocket, subject, body
network.sendJustsaying(ws, 'custom', 'some data');
eventBus.on('custom_justsaying', function(ws, content) {
console.log(content);
};
Following is a list of justsaying type JSON messages that are sent over the network:

Send version information

{
type: 'justsaying',
content: {
subject: 'version',
body: {
protocol_version: protocol_version,
alt: alt,
library: name,
library_version: version,
program: program,
program_version: program_version
}
}
}

Send free joints

{
type: 'justsaying',
content: {
subject: 'free_joints_end',
body: null
}
}

Send a private transaction

{
type: 'justsaying',
content: {
subject: 'private_payment',
body: privateElement
}
}

Share your node WebSocket URL to accept incoming connections

{
type: 'justsaying',
content: {
subject: 'my_url',
body: my_url
}
}

Ask to verify your WebSocket URL

{
type: 'justsaying',
content: {
subject: 'want_echo',
body: random_echo_string
}
}

Verify your WebSocket URL with echo message

{
type: 'justsaying',
content: {
subject: 'your_echo',
body: echo_string
}
}

Log in to Hub

{
type: 'justsaying',
content: {
subject: 'hub/login',
body: {
challenge: challenge,
pubkey: pubkey,
signature: signature
}
}
}

Get new messages

{
type: 'justsaying',
content: {
subject: 'hub/refresh',
body: null
}
}

Remove handled message

{
type: 'justsaying',
content: {
subject: 'hub/delete',
body: message_hash
}
}

Send pairing message

{
type: 'justsaying',
content: {
subject: 'hub/challenge',
body: challenge
}
}

Send message to device

{
type: 'justsaying',
content: {
subject: 'hub/message',
body: {
message_hash: message_hash,
message: message
}
}
}

Ask more messages

{
type: 'justsaying',
content: {
subject: 'hub/message_box_status',
body: 'has_more'
}
}

Light wallet transaction update

{
type: 'justsaying',
content: {
subject: 'light/have_updates',
body: null
}
}

Light wallet sequence became bad

{
type: 'justsaying',
content: {
subject: 'light/sequence_became_bad',
body: arrUniqueUnits
}
}

Add light wallet to monitor address

{
type: 'justsaying',
content: {
subject: 'light/new_address_to_watch',
body: address
}
}

Send bug report

{
type: 'justsaying',
content: {
subject: 'bugreport',
body: {
message: message,
exception: exception
}
}
}

Push project number (only accepted from hub)

{
type: 'justsaying',
content: {
subject: 'hub/push_project_number',
body: {
projectNumber: projectNumber
}
}
}

New version is available (only accepted from hub)

{
type: 'justsaying',
content: {
subject: 'new_version',
body: {
version: version
}
}
}

Exchange rates (only accepted from hub)

{
type: 'justsaying',
content: {
subject: 'exchange_rates',
body: exchangeRates
}
}

Ask to update (only accepted from hub)

{
type: 'justsaying',
content: {
subject: 'upgrade_required',
body: null
}
}

Custom JustSaying

You can add your own communication protocol on top of the Obyte one. See event there.
{
type: 'justsaying',
content: {
tag: tag,
subject: 'custom',
body: body
}
}
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Outline
Send version information
Send free joints
Send a private transaction
Share your node WebSocket URL to accept incoming connections
Ask to verify your WebSocket URL
Verify your WebSocket URL with echo message
Log in to Hub
Get new messages
Remove handled message
Send pairing message
Send message to device
Ask more messages
Light wallet transaction update
Light wallet sequence became bad
Add light wallet to monitor address
Send bug report
Push project number (only accepted from hub)
New version is available (only accepted from hub)
Exchange rates (only accepted from hub)
Ask to update (only accepted from hub)
Custom JustSaying