Multiplatform file reading

src/commonMain/kotlin/com/libermall/tnt/Utility.kt

@@ -63,3 +63,5 @@ fun ContentData.flatten(): ByteArray = when (this) {
     is ContentData.Snake -> this.data.flatten()
     is ContentData.Chunks -> TODO("chunky content data")
 }
+
+expect fun readFileAsString(file: String): String

src/commonMain/kotlin/com/libermall/tnt/command/MintCommand.kt

@@ -31,14 +31,15 @@ import com.libermall.tnt.model.CollectionModel
 import com.libermall.tnt.model.MintableModel
 import com.libermall.tnt.model.SpecModel
 import com.libermall.tnt.model.StandaloneItemModel
+import com.libermall.tnt.readFileAsString
 import com.libermall.tnt.toSafeBounceable
 import com.libermall.tnt.toSafeUnbounceable
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withTimeout
 import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
-import kotlinx.serialization.json.decodeFromStream
 import mu.KLogging
 import org.koin.core.component.KoinComponent
 import org.koin.core.component.inject
@@ -47,7 +48,6 @@ import org.ton.cell.Cell
 import org.ton.cell.CellBuilder
 import org.ton.lite.client.LiteClient
 import org.ton.tlb.storeTlb
-import java.io.File
 
 class MintCommand : CliktCommand(
     name = "mint",
@@ -62,7 +62,7 @@ class MintCommand : CliktCommand(
     @OptIn(ExperimentalSerializationApi::class)
     val spec by argument().convert {
         try {
-            Json.decodeFromStream<SpecModel>(File(it).inputStream())
+            Json.decodeFromString<SpecModel>(readFileAsString(it))
         } catch (e: Exception) {
             logger.warn(e, {})
             throw e

src/jvmMain/kotlin/com/libermall/tnt/readFileAsString.kt

@@ -0,0 +1,24 @@
+/*
+ * (T)ON (N)FT (T)ool - all-in-one utility to work with NFTs on The Open Network
+ * Copyright (c) 2022
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.libermall.tnt
+
+import java.io.File
+
+actual fun readFileAsString(file: String): String =
+    File(file).readText()