Feat/usdc price (#16)

* chore: add usdc price query

* chore: fix endpoint url

* chore: define usdc price resp

* chore: update query_message return type

* chore: update contract version

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "financial_snapshot_contract"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 
 [lib]
@@ -15,11 +15,11 @@ schemars = "0.8.1"
 cosmwasm-schema = "1.1.4"
 cw-utils = "0.13"
 anyhow = "1"
-elys-bindings = { version = "0.8.0", git = "https://github.com/elys-network/bindings", tag = "v0.8.0" }
+elys-bindings = { version = "0.9.0", git = "https://github.com/elys-network/bindings", tag = "v0.9.0" }
 
 [dev-dependencies]
 cw-multi-test = "0.13.4"
-elys-bindings = { version = "0.8.0", git = "https://github.com/elys-network/bindings", tag = "v0.8.0", features = [
+elys-bindings = { version = "0.9.0", git = "https://github.com/elys-network/bindings", tag = "v0.9.0", features = [
     "testing",
 ] }
 

src/action/mod.rs

@@ -30,6 +30,7 @@ pub mod query {
         mod get_unbonding_delegations;
         mod get_commitments;
         mod get_pools;
+        mod get_usdc_price;
 
         use cosmwasm_std::Deps;
         use crate::ContractError;
@@ -43,5 +44,6 @@ pub mod query {
         pub use get_unbonding_delegations::get_unbonding_delegations;
         pub use get_commitments::get_commitments;
         pub use get_pools::get_pools;
+        pub use get_usdc_price::get_usdc_price;
     }
 }

src/action/query/earn/get_usdc_price.rs

@@ -0,0 +1,15 @@
+use super::*;
+use cosmwasm_std::{Decimal, Uint128};
+use crate::bindings::{query::ElysQuery, querier::ElysQuerier};
+use crate::types::ElysDenom;
+use crate::msg::query_resp::earn::GetUsdcPriceResp;
+
+pub fn get_usdc_price(deps: Deps<ElysQuery>) -> Result<GetUsdcPriceResp, ContractError> {
+    let querier = ElysQuerier::new(&deps.querier);
+    let usdc_oracle_price = querier.get_oracle_price(ElysDenom::USDC.as_str().to_string(), "".to_string(), 0)?;
+    let usdc_usd_price = usdc_oracle_price.price.price.checked_div(Decimal::from_atomics(Uint128::new(1000000), 0).unwrap()).unwrap();
+    let resp = GetUsdcPriceResp {
+        price: usdc_usd_price,
+    };
+    Ok(resp)
+}

src/entry_point/query.rs

@@ -31,5 +31,8 @@ pub fn query(deps: Deps<ElysQuery>, _env: Env, msg: QueryMsg) -> Result<Binary,
 
         // Liquidity Pools
         GetLiquidityPools { pool_ids, filter_type, pagination} => Ok(to_json_binary(&earn::get_pools(deps, pool_ids, filter_type, pagination)?)?),
+
+        // Specific function for querying USDC oracle price
+        GetUsdcPrice { } => Ok(to_json_binary(&earn::get_usdc_price(deps)?)?),
     }
 }

src/msg/mod.rs

@@ -35,5 +35,7 @@ pub mod query_resp {
         pub use get_usdc_earn_details_resp::GetUsdcEarnProgramResp;
         mod get_pool_resp;
         pub use get_pool_resp::{QueryEarnPoolResponse, FilterType};
+        mod get_usdc_price_resp;
+        pub use get_usdc_price_resp::GetUsdcPriceResp;
     }
 }

src/msg/query_msg.rs

@@ -48,4 +48,6 @@ pub enum QueryMsg {
     GetCommitments { delegator_addr: String },
     #[returns(QueryEarnPoolResponse)]
     GetLiquidityPools { pool_ids: Option<Vec<u64>>, filter_type: FilterType, pagination: Option<PageRequest> },
+    #[returns(GetUsdcPriceResp)]
+    GetUsdcPrice{}
 }

src/msg/query_resp/earn/get_usdc_price_resp.rs

@@ -0,0 +1,7 @@
+use cosmwasm_schema::cw_serde;
+use cosmwasm_std::Decimal;
+
+#[cw_serde]
+pub struct GetUsdcPriceResp {
+    pub price: Decimal,
+}