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Updates EIP-1193 #1738

merged 1 commit into from Feb 6, 2019


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ryanio commented Feb 6, 2019

  • Remove constructor constraint
  • Add isEIP1193
  • Define minimum viable implementation of EventEmitter
* Remove constructor constraint
* Add `isEIP1193`
* Define minimum viable implementation of EventEmitter
@@ -303,6 +307,10 @@ class EthereumProvider extends EventEmitter {
window.addEventListener('message', this._handleJsonrpcMessage.bind(this));
static get isEIP1193() {

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alcuadrado Feb 6, 2019

The rest of the document describes this as non-static (i.e. line 109), which I think is better.

If you are dealing with an injected provider, checking a static field would be something like window.ethereum.constructor.isEIP1193. Checking a non-static field would be just window.ethereum.isEIP1193, which is cleaner.

That said, I have no strong preference. Just wanted to point out the inconsistency.

@eip-automerger eip-automerger merged commit b9d464a into ethereum:master Feb 6, 2019

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continuous-integration/travis-ci/pr The Travis CI build passed
@@ -242,6 +244,8 @@ The `eth_requestAccounts` method **MUST** resolve with an array of the account(s

### Events

The provider **SHOULD** extend from `EventEmitter` to provide dapps flexibility in listening to events. In place of full `EventEmitter` functionality, the provider **MAY** provide as many methods as it can reasonably provide, but **MUST** provide at least `on`, `emit`, and `removeListener`.

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alcuadrado Feb 6, 2019

What about linking to node.js's docs here? It would help clarify how those methods should behave.

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