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welshman/docs/signer/isigner.md
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2025-09-16 11:56:00 -07:00

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# ISigner Interface
A basic interface that each signer must implement.
It includes methods for signing messages, verifying signatures, and encrypting/decrypting data.
```typescript
export type SignOptions = {
signal?: AbortSignal
}
export type SignWithOptions = (event: StampedEvent, options?: SignOptions) => Promise<SignedEvent>
interface ISigner {
// Core signing functionality
sign: SignWithOptions
getPubkey: () => Promise<string>
// Encryption capabilities
nip04: {
encrypt: (pubkey: string, message: string) => Promise<string>
decrypt: (pubkey: string, message: string) => Promise<string>
}
nip44: {
encrypt: (pubkey: string, message: string) => Promise<string>
decrypt: (pubkey: string, message: string) => Promise<string>
}
}
```