ConnectionProvider

// Kotlin Sample Code
interface ConnectionProvider {
    suspend fun createConnection(): String
}

import com.tyro.taptopay.sdk.api.ConnectionProvider
...

class SdkDemoConnectionProvider(engine: HttpClientEngine = CIO.create()) : ConnectionProvider {
    private val client =
        HttpClient(engine) {
            install(ContentNegotiation) {
                json(
                    Json {
                        ignoreUnknownKeys = true
                        isLenient = true
                    },
                )
            }
        }

    // update this to fetch your connection secret
    override suspend fun createConnection(): String {
        return client.post(UPDATE__THIS__CONNECTION_SECRET_ENDPOINT_URL) {
            contentType(ContentType.Application.Json)
            setBody(DemoConnectionRequestBody(UPDATE__THIS__DEMO_READER_ID))
        }.body<DemoConnectionResponse>().connectionSecret
    }

    @Serializable
    data class DemoConnectionRequestBody(val readerId: String)

    @Serializable
    data class DemoConnectionResponse(val connectionSecret: String)

    companion object {
        // TODO
        // create an endpoint on your server to generate the connection secret
        const val UPDATE__THIS__CONNECTION_SECRET_ENDPOINT_URL = "https://example.connection/endpoint"

        // TODO
        // create the reader id and set it here for demo
        // only one reader can be used on one device any a time otherwise transactions will fail
        // your app would usually retrieve the reader id from your server
        const val UPDATE__THIS__DEMO_READER_ID = "e2b72601-9fb5-4341-b25b-6b64abb43ef3"
    }
}