fix several todo

TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/SendLocation.kt

@@ -16,7 +16,6 @@ import kotlinx.serialization.*
 private val commonResultDeserializer: DeserializationStrategy<ContentMessage<LocationContent>>
     = TelegramBotAPIMessageDeserializationStrategyClass()
 
-// TODO:: Add location tracker for tracking location
 @Serializable
 data class SendLocation(
     @SerialName(chatIdField)

TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/InlineKeyboardButtons/InlineKeyboardButton.kt

@@ -9,7 +9,6 @@ sealed class InlineKeyboardButton {
     abstract val text: String
 }
 
-//TODO:: add check that this button first in a row (it MUST be first in a row)
 @Serializable
 data class PayInlineKeyboardButton(
     override val text: String,

TelegramBotAPI/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/InlineKeyboardMarkup.kt

@@ -1,6 +1,7 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardButtons.InlineKeyboardButton
+import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardButtons.PayInlineKeyboardButton
 import com.github.insanusmokrassar.TelegramBotAPI.types.inlineKeyboardField
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -9,4 +10,19 @@ import kotlinx.serialization.Serializable
 data class InlineKeyboardMarkup(
     @SerialName(inlineKeyboardField)
     val keyboard: Matrix<InlineKeyboardButton>
-) : KeyboardMarkup
+) : KeyboardMarkup {
+    init {
+        val isTherePayButton = keyboard.any { it ->
+            it.any {
+                it is PayInlineKeyboardButton
+            }
+        }
+        if (isTherePayButton) {
+            // first button is not PayInlineKeyboardButton
+            val firstIsPaymentButton = keyboard.first().firstOrNull() is PayInlineKeyboardButton
+            if (!firstIsPaymentButton) {
+                error("In case if PayInlineKeyboardButton included in keyboard - it must ")
+            }
+        }
+    }
+}

TelegramBotAPI/src/jvmMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/abstracts/InputFileFromJavaFile.kt

@@ -3,6 +3,10 @@ package com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts
 import com.github.insanusmokrassar.TelegramBotAPI.utils.StorageFile
 import java.io.File
 
-fun File.toInputFile() = MultipartFile(
-    StorageFile(this)
-)
+fun File.toInputFile() = if (exists()) {
+    MultipartFile(
+        StorageFile(this)
+    )
+} else {
+    error("Specified file $absolutePath does not exists")
+}