signManifest (Experimental)

import { sdk } from '@farcaster/miniapp-sdk'

const result = await sdk.experimental.signManifest({
  domain: 'example.com'
})

{
  header: string
  payload: string
  signature: string
}

try {
  await sdk.experimental.signManifest({ domain: 'example.com' })
} catch (error) {
  if (error instanceof SignManifest.RejectedByUser) {
    // Handle user rejection
  }
}

try {
  await sdk.experimental.signManifest({ domain: 'invalid-domain' })
} catch (error) {
  if (error instanceof SignManifest.InvalidDomain) {
    // Handle invalid domain
  }
}

try {
  await sdk.experimental.signManifest({ domain: 'example.com' })
} catch (error) {
  if (error instanceof SignManifest.GenericError) {
    // Handle generic signing failures
    console.log('Signing failed:', error.message)
  }
}

try {
  const result = await sdk.experimental.signManifest({ domain: 'example.com' })
  // Handle successful signing
} catch (error) {
  if (error instanceof SignManifest.RejectedByUser) {
    // User declined to sign the manifest
    console.log('User rejected manifest signing')
  } else if (error instanceof SignManifest.InvalidDomain) {
    // Domain format is invalid
    console.log('Invalid domain format')
  } else if (error instanceof SignManifest.GenericError) {
    // Generic signing failures
    console.log('Signing failed:', error.message)
    // This could include:
    // - Domain not allowlisted by host
    // - Feature disabled by host
    // - Network or connectivity issues
    // - Host-specific validation failures
  } else {
    // Other unexpected errors
    console.log('Manifest signing failed:', error.message)
    // This could include network or authentication errors
  }
}