feat(lazer-sdk): add conf (#2403)

* feat(pyth-lazer-protocol): add confidence

* update ts sdk

* increase package versions

Author: keyvankhademi

lazer/Cargo.lock

@@ -62,7 +62,7 @@ await client.subscribe({
   type: "subscribe",
   subscriptionId: 2,
   priceFeedIds: [1, 2, 3, 4, 5],
-  properties: ["price", "exponent", "publisherCount"],
+  properties: ["price", "exponent", "publisherCount", "confidence"],
   chains: ["evm"],
   deliveryFormat: "json",
   channel: "fixed_rate@200ms",

lazer/sdk/js/examples/index.ts

@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/pyth-lazer-sdk",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "Pyth Lazer SDK",
   "publishConfig": {
     "access": "public"

lazer/sdk/js/package.json

@@ -6,7 +6,8 @@ export type PriceFeedProperty =
   | "bestBidPrice"
   | "bestAskPrice"
   | "exponent"
-  | "publisherCount";
+  | "publisherCount"
+  | "confidence";
 export type Channel = "real_time" | "fixed_rate@50ms" | "fixed_rate@200ms";
 
 export type Request =
@@ -33,6 +34,7 @@ export type ParsedFeedPayload = {
   bestAskPrice?: string | undefined;
   publisherCount?: number | undefined;
   exponent?: number | undefined;
+  confidence?: string | undefined;
 };
 
 export type ParsedPayload = {

lazer/sdk/js/src/protocol.ts

@@ -1,6 +1,6 @@
 [package]
 name = "pyth-lazer-protocol"
-version = "0.5.0"
+version = "0.5.1"
 edition = "2021"
 description = "Pyth Lazer SDK - protocol types."
 license = "Apache-2.0"

lazer/sdk/rust/protocol/Cargo.toml

@@ -35,6 +35,7 @@ pub enum PayloadPropertyValue {
     BestAskPrice(Option<Price>),
     PublisherCount(Option<u16>),
     Exponent(i16),
+    Confidence(Option<Price>),
 }
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]
@@ -78,6 +79,9 @@ impl PayloadData {
                             PriceFeedProperty::Exponent => {
                                 PayloadPropertyValue::Exponent(*exponent)
                             }
+                            PriceFeedProperty::Confidence => {
+                                PayloadPropertyValue::Confidence(feed.confidence)
+                            }
                         })
                         .collect(),
                 })
@@ -115,6 +119,10 @@ impl PayloadData {
                         writer.write_u8(PriceFeedProperty::Exponent as u8)?;
                         writer.write_i16::<BO>(*exponent)?;
                     }
+                    PayloadPropertyValue::Confidence(confidence) => {
+                        writer.write_u8(PriceFeedProperty::Confidence as u8)?;
+                        write_option_price::<BO>(&mut writer, *confidence)?;
+                    }
                 }
             }
         }
@@ -157,6 +165,8 @@ impl PayloadData {
                     PayloadPropertyValue::PublisherCount(read_option_u16::<BO>(&mut reader)?)
                 } else if property == PriceFeedProperty::Exponent as u8 {
                     PayloadPropertyValue::Exponent(reader.read_i16::<BO>()?)
+                } else if property == PriceFeedProperty::Confidence as u8 {
+                    PayloadPropertyValue::Confidence(read_option_price::<BO>(&mut reader)?)
                 } else {
                     bail!("unknown property");
                 };

lazer/sdk/rust/protocol/src/payload.rs

@@ -141,6 +141,7 @@ pub enum PriceFeedProperty {
     BestAskPrice,
     PublisherCount,
     Exponent,
+    Confidence,
     // More fields may be added later.
 }
 
@@ -409,6 +410,9 @@ pub struct ParsedFeedPayload {
     #[serde(skip_serializing_if = "Option::is_none")]
     #[serde(default)]
     pub exponent: Option<i16>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[serde(default)]
+    pub confidence: Option<Price>,
     // More fields may be added later.
 }
 
@@ -426,6 +430,7 @@ impl ParsedFeedPayload {
             best_ask_price: None,
             publisher_count: None,
             exponent: None,
+            confidence: None,
         };
         for &property in properties {
             match property {
@@ -444,6 +449,9 @@ impl ParsedFeedPayload {
                 PriceFeedProperty::Exponent => {
                     output.exponent = exponent;
                 }
+                PriceFeedProperty::Confidence => {
+                    output.confidence = data.confidence;
+                }
             }
         }
         output
@@ -461,6 +469,7 @@ impl ParsedFeedPayload {
             best_ask_price: data.best_ask_price,
             publisher_count: data.publisher_count,
             exponent,
+            confidence: data.confidence,
         }
     }
 }