Automatically merged updates to draft EIP(s) 1193

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EIPS/eip-1193.md

@@ -1,13 +1,12 @@
 ---
 eip: 1193
 title: Ethereum Provider JavaScript API
-author: Ryan Ghods (@ryanio), Marc Garreau (@marcgarreau), Fabian Vogelsteller (@frozeman), Victor Maia (@MaiaVictor)
+author: Fabian Vogelsteller (@frozeman), Ryan Ghods (@ryanio), Marc Garreau (@marcgarreau), Victor Maia (@MaiaVictor)
 discussions-to: https://ethereum-magicians.org/t/eip-1193-ethereum-provider-javascript-api/640
 status: Draft
 type: Standards Track
 category: Interface
 created: 2018-06-30
-requires: 1102
 ---
 
 ## Summary
@@ -42,13 +41,22 @@ Events are emitted using [EventEmitter](https://nodejs.org/api/events.html).
 
 #### notification
 
-All subscriptions from the node emit on `notification`. Attach listeners with:
+All subscriptions from the node emit on "subscription type" (e.g. `eth_subscription`, or `ssh_subscription`). Attach listeners with:
 
 ```js
-ethereum.on('notification', listener: (result: any) => void): this;
+ethereum.on('eth_subscription', listener: (result: any) => void): this;
 ```
 
-To create a subscription, call `ethereum.send('eth_subscribe')` or `ethereum.send('shh_subscribe')`. The subscription `result` object will emit through `notification`.
+To create a subscription, call `ethereum.send('eth_subscribe')` or `ethereum.send('shh_subscribe')`. The subscription object will emit through the specifc subscription type.
+
+The result object will look as follows:
+
+```js
+{
+    "subscription":"0xc3b33aa549fb9a60e95d21862596617c",
+    "result": {...}
+}
+```
 
 See the [eth subscription methods](https://github.com/ethereum/go-ethereum/wiki/RPC-PUB-SUB#supported-subscriptions) and [shh subscription methods](https://github.com/ethereum/go-ethereum/wiki/Whisper-v6-RPC-API#shh_subscribe).
 
@@ -102,10 +110,11 @@ The event emits with `accounts`, an array of the accounts' addresses.
 ```js
 const ethereum = window.ethereum;
 
-// A) Primary use case - set provider in web3.js
-web3.setProvider(ethereum);
+// A) Set provider in web3.js
+var web3 = new Web3(ethereum);
 
-// B) Secondary use case - use provider object directly
+
+// B) Use provider object directly
 // Example 1: Log last block
 ethereum
   .send('eth_getBlockByNumber', ['latest', 'true'])
@@ -119,6 +128,7 @@ ethereum
     );
   });
 
+
 // Example 2: Request accounts
 ethereum
   .send('eth_requestAccounts')
@@ -136,6 +146,7 @@ ethereum
     );
   });
 
+
 // Example 3: Log available accounts
 ethereum
   .send('eth_accounts')
@@ -149,13 +160,14 @@ ethereum
     );
   });
 
+
 // Example 4: Log new blocks
 let subId;
 ethereum
   .send('eth_subscribe', ['newHeads'])
   .then(subscriptionId => {
     subId = subscriptionId;
-    ethereum.on('notification', result => {
+    ethereum.on('eth_subscription', result => {
       if (result.subscription === subscriptionId) {
         if (result.result instanceof Error) {
           const error = result.result;
@@ -176,6 +188,7 @@ ethereum
        Code: ${error.code}. Data: ${error.data}`
     );
   });
+  
 // to unsubscribe
 ethereum
   .send('eth_unsubscribe', [subId])
@@ -189,6 +202,7 @@ ethereum
     );
   });
 
+
 // Example 5: Log when accounts change
 const logAccounts = accounts => {
   console.log(`Accounts:\n${accounts.join('\n')}`);
@@ -205,19 +219,13 @@ ethereum.on('close', (code, reason) => {
 
 ## Specification
 
-### Send
+### Errors
 
-The `send` method **MUST** send a properly formatted [JSON-RPC request](https://www.jsonrpc.org/specification#request_object).
-
-If the Ethereum JSON-RPC API returns a response object with no error, then the Promise **MUST** resolve with the `response.result` object untouched by the implementing Ethereum Provider.
-
-If the Ethereum JSON-RPC API returns response object that contains an error property then the Promise **MUST** reject with an Error object containing the `response.error.message` as the Error message, `response.error.code` as a code property on the error and `response.error.data` as a data property on the error.
+If the Ethereum Provider request returns an error property then the Promise **MUST** reject with an Error object containing the `error.message` as the Error message, `error.code` as a code property on the error and `error.data` as a data property on the error.
 
 If an error occurs during processing, such as an HTTP error or internal parsing error, then the Promise **MUST** reject with an `Error` object.
 
-If the implementing Ethereum Provider is not talking to an external Ethereum JSON-RPC API provider then it **MUST** resolve with an object that matches the JSON-RPC API object as specified in the [Ethereum JSON-RPC documentation](https://github.com/ethereum/wiki/wiki/JSON-RPC).
-
-If the JSON-RPC request requires an account that is not yet authenticated, the Promise **MUST** reject with Error code 4100.
+If the request requires an account that is not yet authenticated, the Promise **MUST** reject with Error code 4100.
 
 #### eth_requestAccounts
 
@@ -237,7 +245,7 @@ The provider **SHOULD** extend from `EventEmitter` to provide dapps flexibility
 
 #### notification
 
-All subscriptions received from the node **MUST** emit the `message.params` to the eventName `notification` without modification.
+All subscriptions received from the node **MUST** emit the `subscription` property with the subscription ID and a `results` property.
 
 #### connect