Updated on 2026-08-14

domain/core/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     alias(deps.plugins.kotlin.jvm)
+    alias(deps.plugins.kotlin.serialization)
     id("configuration")
 }
 
@@ -7,4 +8,6 @@ dependencies {
     api(deps.kotlin.coroutines)
     api(deps.arrow.core)
     api(deps.arrow.fx)
+
+    implementation(deps.kotlin.serialization)
 }

domain/core/src/main/kotlin/com/tangem/domain/core/serialization/BigDecimalSerializer.kt

@@ -0,0 +1,21 @@
+package com.tangem.domain.core.serialization
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import java.math.BigDecimal
+
+internal object BigDecimalSerializer : KSerializer<BigDecimal> {
+
+    override val descriptor = PrimitiveSerialDescriptor(serialName = "BigDecimal", PrimitiveKind.STRING)
+
+    override fun serialize(encoder: Encoder, value: BigDecimal) {
+        encoder.encodeString(value.toString())
+    }
+
+    override fun deserialize(decoder: Decoder): BigDecimal {
+        return BigDecimal(decoder.decodeString())
+    }
+}

domain/core/src/main/kotlin/com/tangem/domain/core/serialization/SerializedBigDecimal.kt

@@ -0,0 +1,6 @@
+package com.tangem.domain.core.serialization
+
+import kotlinx.serialization.Serializable
+import java.math.BigDecimal
+
+typealias SerializedBigDecimal = @Serializable(with = BigDecimalSerializer::class) BigDecimal