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Updated Whisper Push Notifications (markdown)

Victor Farazdagi 2017-04-14 10:16:22 +03:00
parent a11542c039
commit 44fdfdfa63
1 changed files with 7 additions and 11 deletions
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18
Whisper-Push-Notifications.md

@ -52,7 +52,7 @@ var sendDiscoveryRequest = function (identity) {
```
Here is the list of topics (see the full sample file, where they are all used):
```
```js
var discoverServerTopic = '0x268302f3'; // DISCOVER_NOTIFICATION_SERVER
var proposeServerTopic = '0x08e3d8c0'; // PROPOSE_NOTIFICATION_SERVER
var acceptServerTopic = '0x04f7dea6'; // ACCEPT_NOTIFICATION_SERVER
@ -78,24 +78,21 @@ statusd --datadir app2 --http --httpport 8745 --shh
# Workflow: Discovery, Subscription, Chat Management, Notification Triggering
Original workflow for discovery mechanism was introduced in:
[![image](https://cloud.githubusercontent.com/assets/188194/24608168/19317cdc-187e-11e7-995e-2adadc17a91c.png)](https://cloud.githubusercontent.com/assets/188194/24608168/19317cdc-187e-11e7-995e-2adadc17a91c.png)
### 1. Discovery request and Notification Server selection
Everything starts with `Device A` willing to register with some Notification Service Provider. To do so, it sends/broadcasts discovery request:
Everything starts with `Device A` willing to register with some Notification Service Provider. To do so, it sends discovery request *to some known cluster* (as you need to specify PubKey used on wnode side):
```js
var protocolKey = '0x040edb0d71a3dbe928e154fcb696ffbda359b153a90efc2b46f0043ce9f5dbe55b77b9328fd841a1db5273758624afadd5b39638d4c35b36b3a96e1a586c1b4c2a';
var discoverServerTopic = '0x268302f3'; // DISCOVER_NOTIFICATION_SERVER
var sendDiscoveryRequest = function (identity) {
// notification server discovery request is a signed (sent from us) broadcast,
// encrypted with Notification Protocol Symmetric Key (which is publicly known)
// notification server discovery request is a signed (sent from us),
// encrypted with Notification Protocol Asymmetric (Public) Key
var err = web3.shh.post({
from: identity,
to: protocolKey,
topics: [discoverServerTopic],
ttl: 20,
keyname: 'NOTIFICATION_PROTOCOL_KEY'
ttl: 20
});
if (err !== null) {
console.log("message NOT sent")
@ -103,7 +100,6 @@ var sendDiscoveryRequest = function (identity) {
console.log("message sent OK")
}
};
var identity = web3.shh.newIdentity();
sendDiscoveryRequest(identity);
```