- Migrates Quartz to a KMP project

- Converts OpenTimestamps from java to Kotlin
- Moves OTS OkHttp setup to Quartz

amethyst/src/androidTest/java/com/vitorpamplona/amethyst/OkHttpOtsTest.kt

@@ -21,14 +21,14 @@
 package com.vitorpamplona.amethyst
 
 import androidx.test.ext.junit.runners.AndroidJUnit4
-import com.vitorpamplona.amethyst.service.ots.OkHttpBitcoinExplorer
-import com.vitorpamplona.amethyst.service.ots.OkHttpCalendarBuilder
-import com.vitorpamplona.amethyst.service.ots.OtsBlockHeightCache
 import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
 import com.vitorpamplona.quartz.nip01Core.jackson.JsonMapper
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerInternal
 import com.vitorpamplona.quartz.nip03Timestamp.OtsEvent
 import com.vitorpamplona.quartz.nip03Timestamp.OtsResolver
+import com.vitorpamplona.quartz.nip03Timestamp.ots.okhttp.OkHttpBitcoinExplorer
+import com.vitorpamplona.quartz.nip03Timestamp.ots.okhttp.OkHttpCalendarBuilder
+import com.vitorpamplona.quartz.nip03Timestamp.ots.okhttp.OtsBlockHeightCache
 import junit.framework.TestCase.assertEquals
 import kotlinx.coroutines.runBlocking
 import okhttp3.OkHttpClient

amethyst/src/main/java/com/vitorpamplona/amethyst/Amethyst.kt

@@ -38,7 +38,6 @@ import com.vitorpamplona.amethyst.service.okhttp.DualHttpClientManager
 import com.vitorpamplona.amethyst.service.okhttp.EncryptionKeyCache
 import com.vitorpamplona.amethyst.service.okhttp.OkHttpWebSocket
 import com.vitorpamplona.amethyst.service.okhttp.ProxySettingsAnchor
-import com.vitorpamplona.amethyst.service.ots.OtsBlockHeightCache
 import com.vitorpamplona.amethyst.service.playback.diskCache.VideoCache
 import com.vitorpamplona.amethyst.service.playback.diskCache.VideoCacheFactory
 import com.vitorpamplona.amethyst.service.relayClient.CacheClientConnector
@@ -51,6 +50,7 @@ import com.vitorpamplona.amethyst.service.uploads.nip95.Nip95CacheFactory
 import com.vitorpamplona.amethyst.ui.tor.TorManager
 import com.vitorpamplona.quartz.nip01Core.relay.client.NostrClient
 import com.vitorpamplona.quartz.nip03Timestamp.VerificationStateCache
+import com.vitorpamplona.quartz.nip03Timestamp.ots.okhttp.OtsBlockHeightCache
 import kotlinx.coroutines.CoroutineExceptionHandler
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers

amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -89,7 +89,6 @@ import com.vitorpamplona.amethyst.model.topNavFeeds.IFeedTopNavFilter
 import com.vitorpamplona.amethyst.model.topNavFeeds.OutboxLoaderState
 import com.vitorpamplona.amethyst.model.torState.TorRelayState
 import com.vitorpamplona.amethyst.service.location.LocationState
-import com.vitorpamplona.amethyst.service.ots.OkHttpOtsResolverBuilder
 import com.vitorpamplona.amethyst.service.uploads.FileHeader
 import com.vitorpamplona.quartz.experimental.bounties.BountyAddValueEvent
 import com.vitorpamplona.quartz.experimental.edits.TextNoteModificationEvent
@@ -136,6 +135,7 @@ import com.vitorpamplona.quartz.nip01Core.tags.hashtags.hashtags
 import com.vitorpamplona.quartz.nip01Core.tags.people.hasAnyTaggedUser
 import com.vitorpamplona.quartz.nip01Core.tags.people.taggedUserIds
 import com.vitorpamplona.quartz.nip01Core.tags.references.references
+import com.vitorpamplona.quartz.nip03Timestamp.ots.okhttp.OkHttpOtsResolverBuilder
 import com.vitorpamplona.quartz.nip04Dm.PrivateDMCache
 import com.vitorpamplona.quartz.nip04Dm.messages.PrivateDmEvent
 import com.vitorpamplona.quartz.nip09Deletions.DeletionEvent
@@ -323,7 +323,9 @@ class Account(
 
     val otsResolverBuilder: OkHttpOtsResolverBuilder =
         OkHttpOtsResolverBuilder(
-            Amethyst.instance.okHttpClients,
+            {
+                Amethyst.instance.okHttpClients.getHttpClient(privacyState.shouldUseTorForMoneyOperations(it))
+            },
             privacyState::shouldUseTorForMoneyOperations,
             Amethyst.instance.otsBlockHeightCache,
         )

amethyst/src/main/java/com/vitorpamplona/amethyst/model/nip03Timestamp/OtsState.kt

@@ -24,10 +24,10 @@ import android.util.Log
 import com.vitorpamplona.amethyst.model.AccountSettings
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.ots.OkHttpOtsResolverBuilder
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip03Timestamp.OtsEvent
+import com.vitorpamplona.quartz.nip03Timestamp.ots.okhttp.OkHttpOtsResolverBuilder
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.update
 import java.util.Base64

amethyst/src/main/java/com/vitorpamplona/amethyst/service/ots/OkHttpBitcoinExplorer.kt

@@ -1,121 +0,0 @@
-/**
- * Copyright (c) 2025 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.amethyst.service.ots
-
-import android.util.Log
-import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import com.vitorpamplona.quartz.nip03Timestamp.ots.BitcoinExplorer
-import com.vitorpamplona.quartz.nip03Timestamp.ots.BlockHeader
-import com.vitorpamplona.quartz.nip03Timestamp.ots.exceptions.UrlException
-import okhttp3.OkHttpClient
-import okhttp3.Request
-
-class OkHttpBitcoinExplorer(
-    val baseAPI: String,
-    val client: OkHttpClient,
-    val cache: OtsBlockHeightCache,
-) : BitcoinExplorer {
-    /**
-     * Retrieve the block information from the block hash.
-     *
-     * @param hash Hash of the block.
-     * @return the blockheader of the hash
-     * @throws Exception desc
-     */
-    override fun block(hash: String): BlockHeader {
-        cache.cacheHeaders.get(hash)?.let {
-            return it
-        }
-
-        val url = "$baseAPI/block/$hash"
-
-        val request =
-            Request
-                .Builder()
-                .header("Accept", "application/json")
-                .url(url)
-                .get()
-                .build()
-
-        client.newCall(request).execute().use {
-            if (it.isSuccessful) {
-                Log.d("OkHttpBlockstreamExplorer", "$baseAPI/block/$hash")
-
-                val jsonObject = jacksonObjectMapper().readTree(it.body.string())
-
-                val blockHeader = BlockHeader()
-                blockHeader.merkleroot = jsonObject["merkle_root"].asText()
-                blockHeader.setTime(jsonObject["timestamp"].asInt().toString())
-                blockHeader.blockHash = hash
-                cache.cacheHeaders.put(hash, blockHeader)
-                return blockHeader
-            } else {
-                throw UrlException(
-                    "Couldn't open $url: " + it.message + " " + it.code,
-                )
-            }
-        }
-    }
-
-    /**
-     * Retrieve the block hash from the block height.
-     *
-     * @param height Height of the block.
-     * @return the hash of the block at height height
-     * @throws Exception desc
-     */
-    @Throws(Exception::class)
-    override fun blockHash(height: Int): String {
-        cache.cacheHeights[height]?.let {
-            return it
-        }
-
-        val url = "$baseAPI/block-height/$height"
-
-        val request =
-            Request
-                .Builder()
-                .url(url)
-                .get()
-                .build()
-
-        client.newCall(request).execute().use {
-            if (it.isSuccessful) {
-                val blockHash = it.body.string()
-
-                Log.d("OkHttpBlockstreamExplorer", "$url $blockHash")
-
-                cache.cacheHeights.put(height, blockHash)
-                return blockHash
-            } else {
-                throw UrlException("Couldn't open $url: " + it.message + " " + it.code)
-            }
-        }
-    }
-
-    companion object {
-        // doesn't accept Tor
-        const val BLOCKSTREAM_API_URL = "https://blockstream.info/api"
-
-        // accepts Tor
-        const val MEMPOOL_API_URL = "https://mempool.space/api/"
-    }
-}

amethyst/src/main/java/com/vitorpamplona/amethyst/service/ots/OkHttpCalendar.kt

@@ -1,142 +0,0 @@
-/**
- * Copyright (c) 2025 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.amethyst.service.ots
-
-import com.vitorpamplona.quartz.nip03Timestamp.ots.ICalendar
-import com.vitorpamplona.quartz.nip03Timestamp.ots.StreamDeserializationContext
-import com.vitorpamplona.quartz.nip03Timestamp.ots.Timestamp
-import com.vitorpamplona.quartz.nip03Timestamp.ots.exceptions.CommitmentNotFoundException
-import com.vitorpamplona.quartz.nip03Timestamp.ots.exceptions.DeserializationException
-import com.vitorpamplona.quartz.nip03Timestamp.ots.exceptions.ExceededSizeException
-import com.vitorpamplona.quartz.nip03Timestamp.ots.exceptions.UrlException
-import com.vitorpamplona.quartz.utils.Hex
-import okhttp3.MediaType.Companion.toMediaType
-import okhttp3.OkHttpClient
-import okhttp3.RequestBody.Companion.toRequestBody
-
-/**
- * Class representing remote calendar server interface.
- */
-class OkHttpCalendar(
-    val url: String,
-    val client: OkHttpClient,
-) : ICalendar {
-    /**
-     * Submitting a digest to remote calendar. Returns a com.eternitywall.ots.Timestamp committing to that digest.
-     *
-     * @param digest The digest hash to send.
-     * @return the Timestamp received from the calendar.
-     * @throws ExceededSizeException if response is too big.
-     * @throws UrlException          if url is not reachable.
-     * @throws DeserializationException    if the data is corrupt
-     */
-    @Throws(ExceededSizeException::class, UrlException::class, DeserializationException::class)
-    override fun submit(digest: ByteArray): Timestamp {
-        try {
-            val url = "$url/digest"
-
-            val mediaType = "application/x-www-form-urlencoded; charset=utf-8".toMediaType()
-            val requestBody = digest.toRequestBody(mediaType)
-
-            val request =
-                okhttp3.Request
-                    .Builder()
-                    .header("Accept", "application/vnd.opentimestamps.v1")
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .url(url)
-                    .post(requestBody)
-                    .build()
-
-            client.newCall(request).execute().use {
-                if (it.isSuccessful) {
-                    val ctx =
-                        StreamDeserializationContext(
-                            it.body.bytes(),
-                        )
-                    return Timestamp.deserialize(ctx, digest)
-                } else {
-                    throw UrlException(
-                        "Failed to open $url",
-                    )
-                }
-            }
-        } catch (e: ExceededSizeException) {
-            throw e
-        } catch (e: DeserializationException) {
-            throw e
-        } catch (e: Exception) {
-            throw UrlException(e.message)
-        }
-    }
-
-    /**
-     * Get a timestamp for a given commitment.
-     *
-     * @param commitment The digest hash to send.
-     * @return the Timestamp from the calendar server (with blockchain information if already written).
-     * @throws ExceededSizeException       if response is too big.
-     * @throws UrlException                if url is not reachable.
-     * @throws CommitmentNotFoundException if commit is not found.
-     * @throws DeserializationException    if the data is corrupt
-     */
-    @Throws(
-        DeserializationException::class,
-        ExceededSizeException::class,
-        CommitmentNotFoundException::class,
-        UrlException::class,
-    )
-    override fun getTimestamp(commitment: ByteArray): Timestamp {
-        try {
-            val url = url + "/timestamp/" + Hex.encode(commitment)
-
-            val request =
-                okhttp3.Request
-                    .Builder()
-                    .header("Accept", "application/vnd.opentimestamps.v1")
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .url(url)
-                    .get()
-                    .build()
-
-            client.newCall(request).execute().use {
-                if (it.isSuccessful) {
-                    val ctx =
-                        StreamDeserializationContext(
-                            it.body.bytes(),
-                        )
-                    return Timestamp.deserialize(ctx, commitment)
-                } else {
-                    throw CommitmentNotFoundException(
-                        "Calendar response a status code != 200: " + it.code,
-                    )
-                }
-            }
-        } catch (e: DeserializationException) {
-            throw e
-        } catch (e: ExceededSizeException) {
-            throw e
-        } catch (e: CommitmentNotFoundException) {
-            throw e
-        } catch (e: Exception) {
-            throw UrlException(e.message)
-        }
-    }
-}

amethyst/src/main/java/com/vitorpamplona/amethyst/service/ots/OkHttpCalendarAsyncSubmit.kt

@@ -1,66 +0,0 @@
-/**
- * Copyright (c) 2025 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.amethyst.service.ots
-
-import com.vitorpamplona.quartz.nip03Timestamp.ots.ICalendarAsyncSubmit
-import com.vitorpamplona.quartz.nip03Timestamp.ots.StreamDeserializationContext
-import com.vitorpamplona.quartz.nip03Timestamp.ots.Timestamp
-import okhttp3.MediaType.Companion.toMediaType
-import okhttp3.OkHttpClient
-import okhttp3.RequestBody.Companion.toRequestBody
-import java.util.Optional
-
-/**
- * For making async calls to a calendar server
- */
-class OkHttpCalendarAsyncSubmit(
-    private val url: String,
-    private val digest: ByteArray,
-    private val client: OkHttpClient,
-) : ICalendarAsyncSubmit {
-    override fun call(): Optional<Timestamp> {
-        val url = "$url/digest"
-        val mediaType = "application/x-www-form-urlencoded; charset=utf-8".toMediaType()
-        val requestBody = digest.toRequestBody(mediaType)
-
-        val request =
-            okhttp3.Request
-                .Builder()
-                .header("Accept", "application/vnd.opentimestamps.v1")
-                .header("Content-Type", "application/x-www-form-urlencoded")
-                .url(url)
-                .post(requestBody)
-                .build()
-
-        client.newCall(request).execute().use {
-            if (it.isSuccessful) {
-                val ctx =
-                    StreamDeserializationContext(
-                        it.body.bytes(),
-                    )
-                val timestamp = Timestamp.deserialize(ctx, digest)
-                return Optional.of(timestamp)
-            } else {
-                return Optional.empty()
-            }
-        }
-    }
-}

amethyst/src/main/java/com/vitorpamplona/amethyst/service/ots/OkHttpCalendarBuilder.kt

@@ -1,37 +0,0 @@
-/**
- * Copyright (c) 2025 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.amethyst.service.ots
-
-import com.vitorpamplona.quartz.nip03Timestamp.ots.CalendarBuilder
-import com.vitorpamplona.quartz.nip03Timestamp.ots.ICalendar
-import com.vitorpamplona.quartz.nip03Timestamp.ots.ICalendarAsyncSubmit
-import okhttp3.OkHttpClient
-
-class OkHttpCalendarBuilder(
-    val clientFn: (url: String) -> OkHttpClient,
-) : CalendarBuilder {
-    override fun newSyncCalendar(url: String): ICalendar = OkHttpCalendar(url, clientFn(url))
-
-    override fun newAsyncCalendar(
-        url: String,
-        digest: ByteArray,
-    ): ICalendarAsyncSubmit = OkHttpCalendarAsyncSubmit(url, digest, clientFn(url))
-}

amethyst/src/main/java/com/vitorpamplona/amethyst/service/ots/OkHttpOtsResolverBuilder.kt

@@ -1,55 +0,0 @@
-/**
- * Copyright (c) 2025 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.amethyst.service.ots
-
-import com.vitorpamplona.amethyst.service.okhttp.DualHttpClientManager
-import com.vitorpamplona.quartz.nip03Timestamp.OtsResolver
-import com.vitorpamplona.quartz.nip03Timestamp.OtsResolverBuilder
-
-class OkHttpOtsResolverBuilder(
-    val okHttpClients: DualHttpClientManager,
-    val shouldUseTorForUrl: (String) -> Boolean,
-    val cache: OtsBlockHeightCache,
-) : OtsResolverBuilder {
-    fun getAPI(usingTor: Boolean) =
-        if (usingTor) {
-            OkHttpBitcoinExplorer.MEMPOOL_API_URL
-        } else {
-            OkHttpBitcoinExplorer.BLOCKSTREAM_API_URL
-        }
-
-    override fun build(): OtsResolver {
-        val shouldUseTor = shouldUseTorForUrl(OkHttpBitcoinExplorer.MEMPOOL_API_URL)
-
-        return OtsResolver(
-            explorer =
-                OkHttpBitcoinExplorer(
-                    baseAPI = getAPI(usingTor = shouldUseTor),
-                    client = okHttpClients.getHttpClient(shouldUseTor),
-                    cache = cache,
-                ),
-            calendarBuilder =
-                OkHttpCalendarBuilder {
-                    okHttpClients.getHttpClient(shouldUseTorForUrl(it))
-                },
-        )
-    }
-}

amethyst/src/main/java/com/vitorpamplona/amethyst/service/ots/OtsBlockHeightCache.kt

@@ -1,29 +0,0 @@
-/**
- * Copyright (c) 2025 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.amethyst.service.ots
-
-import android.util.LruCache
-import com.vitorpamplona.quartz.nip03Timestamp.ots.BlockHeader
-
-class OtsBlockHeightCache {
-    val cacheHeaders = LruCache<String, BlockHeader>(100)
-    val cacheHeights = LruCache<Int, String>(100)
-}