io.rootherald:rootherald

dependencyResolutionManagement {
    repositories {
        google()
        mavenCentral()
    }
}

dependencies {
    implementation("io.rootherald:rootherald:1.0.0")
    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
}

import io.rootherald.RootHeraldClient

class SignupViewModel : ViewModel() {
    // Keyless: no api_key, no endpoint — nothing to connect to.
    private val client = RootHeraldClient()

    fun submitSignup(email: String, password: String) {
        viewModelScope.launch {
            // 1. Ask YOUR backend for a fresh challenge nonce (it called
            //    /api/v1/attestations/challenge with its rh_sk_ secret).
            val nonce = api.getChallengeNonce(action = "signup")

            // 2. Collect a keyless evidence blob on-device (no verdict, no
            //    call to RootHerald).
            val evidenceJson = client.collectEvidence(nonce)

            // 3. Relay the blob to your backend, which POSTs it to
            //    /attestations/verify and enforces the returned verdict.
            api.signup(email, password, evidence = evidenceJson)
        }
    }
}