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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| import EventEmitter from 'events'; | ||
|
|
||
| declare global { | ||
| interface WindowEventMap { | ||
| 'eip6963:announceProvider': EIP6963AnnounceProviderEvent; | ||
| } | ||
| } | ||
|
|
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| class EIP6963RequestProviderEvent extends Event { | ||
| constructor() { | ||
| super('eip6963:requestProvider'); | ||
| } | ||
| } | ||
|
|
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| interface EIP6963AnnounceProviderEvent extends Event { | ||
| type: 'eip6963:announceProvider'; | ||
| detail: EIP6963ProviderDetail; | ||
| } | ||
|
|
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| interface EIP6963ProviderDetail { | ||
| info: EIP6963ProviderInfo; | ||
| provider: EIP1193Provider; | ||
| } | ||
|
|
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| interface EIP6963ProviderInfo { | ||
| uuid: string; | ||
| name: string; | ||
| icon: string; | ||
| rdns: string; | ||
| } | ||
|
|
||
| interface EIP1193Provider { | ||
| request(request: { | ||
| method: string; | ||
| params?: Array<any> | Record<string, any>; | ||
| }): Promise<any>; | ||
| } | ||
|
|
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| export default class Eip6963 extends EventEmitter { | ||
| providerDetails: EIP6963ProviderDetail[]; | ||
|
|
||
| constructor() { | ||
| super(); | ||
| this.providerDetails = []; | ||
| } | ||
|
|
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| private providerReceived(providerDetail: EIP6963ProviderDetail): void { | ||
| this.providerDetails.push(providerDetail); | ||
| } | ||
|
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| subscribe(): void { | ||
| window.addEventListener( | ||
| 'eip6963:announceProvider', | ||
| (event: EIP6963AnnounceProviderEvent) => { | ||
| this.providerReceived(event.detail); | ||
| } | ||
| ); | ||
| } | ||
|
|
||
| requestProviders(): void { | ||
| this.providerDetails = []; | ||
| window.dispatchEvent(new EIP6963RequestProviderEvent()); | ||
| } | ||
| } |
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