119 lines
4.0 KiB
Kotlin
119 lines
4.0 KiB
Kotlin
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package cash.z.wallet.sdk.util
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import android.content.Context
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import cash.z.wallet.sdk.R
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import cash.z.wallet.sdk.ext.ZcashSdk
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import cash.z.wallet.sdk.ext.twig
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import cash.z.wallet.sdk.rpc.Darkside
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import cash.z.wallet.sdk.rpc.Darkside.DarksideTransactionsURL
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import cash.z.wallet.sdk.rpc.DarksideStreamerGrpc
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import cash.z.wallet.sdk.service.LightWalletGrpcService
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import io.grpc.ManagedChannel
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import java.util.concurrent.TimeUnit
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import kotlin.random.Random
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class DarksideApi(
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private val channel: ManagedChannel,
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private val singleRequestTimeoutSec: Long = 10L
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) {
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constructor(
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appContext: Context,
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host: String,
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port: Int = ZcashSdk.DEFAULT_LIGHTWALLETD_PORT,
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usePlainText: Boolean = appContext.resources.getBoolean(
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R.bool.lightwalletd_allow_very_insecure_connections
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)
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) : this(
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LightWalletGrpcService.createDefaultChannel(
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appContext,
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host,
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port,
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usePlainText
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)
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)
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//
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// Service APIs
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//
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fun reset(
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saplingActivationHeight: Int = 419200,
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branchId: String = "2bb40e60", // Blossom,
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chainName: String = "darkside"
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) = apply {
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twig("resetting darksidewalletd with saplingActivation=$saplingActivationHeight branchId=$branchId chainName=$chainName")
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Darkside.DarksideMetaState.newBuilder()
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.setBranchID(branchId)
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.setChainName(chainName)
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.setSaplingActivation(saplingActivationHeight)
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.build().let { request ->
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createStub().reset(request)
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}
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}
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fun stageBlocks(url: String) = apply {
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twig("staging block url=$url")
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createStub().stageBlocks(url.toUrl())
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}
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fun stageTransactions(url: String, targetHeight: Int) = apply {
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twig("staging transaction at height=$targetHeight from url=$url")
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createStub().stageTransactions(
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DarksideTransactionsURL.newBuilder().setHeight(targetHeight).setUrl(url).build()
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)
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}
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fun stageEmptyBlocks(startHeight: Int, count: Int = 10, nonce: Int = Random.nextInt()) = apply {
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createStub().stageBlocksCreate(
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Darkside.DarksideEmptyBlocks.newBuilder().setHeight(startHeight).setCount(count).setNonce(nonce).build()
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)
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}
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fun applyBlocks(tipHeight: Int) {
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twig("applying blocks up to tipHeight=$tipHeight")
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createStub().applyStaged(tipHeight.toHeight())
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}
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// fun setMetaState(
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// branchId: String = "2bb40e60", // Blossom,
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// chainName: String = "darkside",
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// saplingActivationHeight: Int = 419200
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// ): DarksideApi = apply {
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// createStub().setMetaState(
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// Darkside.DarksideMetaState.newBuilder()
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// .setBranchID(branchId)
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// .setChainName(chainName)
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// .setSaplingActivation(saplingActivationHeight)
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// .build()
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// )
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// }
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// fun setLatestHeight(latestHeight: Int) = setState(latestHeight, reorgHeight)
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//
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// fun setReorgHeight(reorgHeight: Int)
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// = setState(latestHeight.coerceAtLeast(reorgHeight), reorgHeight)
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//
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// fun setState(latestHeight: Int = -1, reorgHeight: Int = latestHeight): DarksideApi {
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// this.latestHeight = latestHeight
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// this.reorgHeight = reorgHeight
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// // TODO: change this service to accept ints as heights, like everywhere else
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// createStub().darksideSetState(
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// Darkside.DarksideState.newBuilder()
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// .setLatestHeight(latestHeight.toLong())
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// .setReorgHeight(reorgHeight.toLong())
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// .build()
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// )
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// return this
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// }
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private fun createStub(): DarksideStreamerGrpc.DarksideStreamerBlockingStub =
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DarksideStreamerGrpc
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.newBlockingStub(channel)
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.withDeadlineAfter(singleRequestTimeoutSec, TimeUnit.SECONDS)
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private fun String.toUrl() = Darkside.DarksideBlocksURL.newBuilder().setUrl(this).build()
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private fun Int.toHeight() = Darkside.DarksideHeight.newBuilder().setHeight(this).build()
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}
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