Merge pull request #30 from gmoratorio/add-custom-deserializer

add custom deserializer for Decimal in DexPairOHLC

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "maestro-rust-sdk"
-version = "1.2.4"
+version = "1.2.5"
 description = "Rust SDK for the Maestro Dapp Platform"
 repository = "https://github.com/maestro-org/rust-sdk"
 documentation = "https://docs.gomaestro.org/"

src/models/markets.rs

@@ -1,20 +1,42 @@
 use chrono::{DateTime, Utc};
 use rust_decimal::Decimal;
 use serde::{Deserialize, Serialize};
+use serde::de::{self, Deserializer};
+use rust_decimal::prelude::FromPrimitive;
+
+fn deserialize_decimal_from_f64<'de, D>(deserializer: D) -> Result<Decimal, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    let float = f64::deserialize(deserializer)?;
+    Decimal::from_f64(float).ok_or_else(|| de::Error::custom("Failed to convert float to Decimal"))
+}
 
 #[derive(Clone, Debug, Deserialize)]
 pub struct DexPairOHLC {
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_a_change_pct: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_a_close: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_a_high: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_a_low: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_a_open: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_a_volume: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_b_change_pct: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_b_close: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_b_high: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_b_low: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_b_open: Decimal,
+    #[serde(deserialize_with = "deserialize_decimal_from_f64")]
     pub coin_b_volume: Decimal,
     pub count: i64,
     pub timestamp: DateTime<Utc>,