refactor: remove electron-related code

src/providers/NostrProvider/bunker.signer.ts

@@ -0,0 +1,53 @@
+import { ISigner, TDraftEvent } from '@/types'
+import { bytesToHex, hexToBytes } from '@noble/hashes/utils'
+import { generateSecretKey } from 'nostr-tools'
+import { BunkerSigner as NBunkerSigner, parseBunkerInput } from 'nostr-tools/nip46'
+
+export class BunkerSigner implements ISigner {
+  signer: NBunkerSigner | null = null
+  private clientSecretKey: Uint8Array
+  private pubkey: string | null = null
+
+  constructor(clientSecretKey?: string) {
+    this.clientSecretKey = clientSecretKey ? hexToBytes(clientSecretKey) : generateSecretKey()
+  }
+
+  async login(bunker: string): Promise<string> {
+    const bunkerPointer = await parseBunkerInput(bunker)
+    if (!bunkerPointer) {
+      throw new Error('Invalid bunker')
+    }
+
+    this.signer = new NBunkerSigner(this.clientSecretKey, bunkerPointer, {
+      onauth: (url) => {
+        window.open(url, '_blank')
+      }
+    })
+    await this.signer.connect()
+    return await this.signer.getPublicKey()
+  }
+
+  async getPublicKey() {
+    if (!this.signer) {
+      throw new Error('Not logged in')
+    }
+    if (!this.pubkey) {
+      this.pubkey = await this.signer.getPublicKey()
+    }
+    return this.pubkey
+  }
+
+  async signEvent(draftEvent: TDraftEvent) {
+    if (!this.signer) {
+      throw new Error('Not logged in')
+    }
+    return this.signer.signEvent({
+      ...draftEvent,
+      pubkey: await this.signer.getPublicKey()
+    })
+  }
+
+  getClientSecretKey() {
+    return bytesToHex(this.clientSecretKey)
+  }
+}