LiteClient bean

liteClientBeanConfig.kt

@Bean("liteClientExtended")
fun liteClient(tonChainConfigReader: TonChainConfigReader): LiteClient {
    val configList = tonChainConfigReader.load().liteservers
    val nearestNodesList = mutableListOf<TonChainConfigReader.TonNetConfig.LiteServerParams>()

    configList.forEach {
        val liteClient = LiteClient(
            LiteClientConfigGlobal(
                liteservers = listOf(
                    LiteServerDesc(id = PublicKeyEd25519(base64(it.id.key)), ip = it.ip, port = it.port)
                ),
                validator = ValidatorConfigGlobal()
            )
        )

        runBlocking {
            try {
                val lastBlockId = liteClient.getLastBlockId()
                val start = utcTsNow()

                liteClient.getBlock(lastBlockId)

                val delay = utcTsNow().time - start.time
                println("NODECHECK ${ipv4IntToStr(it.ip)} getLastBlock took $delay ms")
                if (delay < 350)
                    nearestNodesList.add(it)
            } catch (ex: Exception) {
                println("NODECHECK ${ipv4IntToStr(it.ip)} FAIL")
            }
        }
    }
    println("NODECHECK: suggested to use ${nearestNodesList.size}/${configList.size} liteservers")

    return LiteClient(
        LiteClientConfigGlobal(
            liteservers = (nearestNodesList.takeIf { it.isNotEmpty() } ?: configList ).map {
                LiteServerDesc(id = PublicKeyEd25519(base64(it.id.key)), ip = it.ip, port = it.port)
            },
            validator = ValidatorConfigGlobal()
        )
    )
}