Pull oracle support for pyth, switchboard

Cargo.toml

@@ -4,7 +4,10 @@ members = [
   "token-lending/program",
   "token-lending/sdk",
   "token-lending/brick"
-]
+, "token-lending/oracles"]
 
 [profile.dev]
 split-debuginfo = "unpacked"
+
+[profile.release]
+overflow-checks = true

ci/rust-version.sh

@@ -18,7 +18,7 @@
 if [[ -n $RUST_STABLE_VERSION ]]; then
   stable_version="$RUST_STABLE_VERSION"
 else
-  stable_version=1.65.0
+  stable_version=1.76.0
 fi
 
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then

ci/solana-version.sh

@@ -14,7 +14,7 @@
 if [[ -n $SOLANA_VERSION ]]; then
   solana_version="$SOLANA_VERSION"
 else
-  solana_version=v1.14.10
+  solana_version=v1.16.20
 fi
 
 export solana_version="$solana_version"

token-lending/brick/Cargo.toml

@@ -12,21 +12,21 @@ no-entrypoint = []
 test-bpf = []
 
 [dependencies]
-solana-program = "=1.14.10"
+solana-program = "=1.16.20"
 
 [dev-dependencies]
 assert_matches = "1.5.0"
 bytemuck = "1.5.1"
 base64 = "0.13"
 log = "0.4.14"
 proptest = "1.0"
-solana-program-test = "=1.14.10"
-solana-sdk = "=1.14.10"
-serde = "=1.0.140"
+solana-program-test = "=1.16.20"
+solana-sdk = "=1.16.20"
+serde = "1.0.140"
 serde_yaml = "0.8"
 thiserror = "1.0"
 bincode = "1.3.3"
-borsh = "0.9.3"
+borsh = "0.10.3"
 
 [lib]
 crate-type = ["cdylib", "lib"]

token-lending/oracles/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "oracles"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+pyth-sdk-solana = "0.8.0"
+pyth-solana-receiver-sdk = "0.3.0"
+solana-program = ">=1.9"
+anchor-lang = "0.28.0"
+solend-sdk = { path = "../sdk" }
+switchboard-on-demand = "0.1.12"
+switchboard-program = "0.2.0"
+switchboard-v2 = "0.1.3"
+
+[dev-dependencies]
+bytemuck = "1.5.1"
+assert_matches = "1.5.0"
+base64 = "0.13"
+log = "0.4.14"
+proptest = "1.0"
+solana-sdk = ">=1.9"
+serde = "1.0.140"
+serde_yaml = "0.8"
+rand = "0.8.5"

token-lending/oracles/src/lib.rs

@@ -0,0 +1,106 @@
+pub mod pyth;
+pub mod switchboard;
+
+use crate::pyth::get_pyth_price_unchecked;
+use crate::pyth::get_pyth_pull_price;
+use crate::pyth::get_pyth_pull_price_unchecked;
+use crate::switchboard::get_switchboard_price;
+use crate::switchboard::get_switchboard_price_on_demand;
+use crate::switchboard::get_switchboard_price_v2;
+use solana_program::{
+    account_info::AccountInfo, msg, program_error::ProgramError, sysvar::clock::Clock,
+};
+use solend_sdk::error::LendingError;
+use solend_sdk::math::Decimal;
+
+pub enum OracleType {
+    Pyth,
+    Switchboard,
+    PythPull,
+    SbOnDemand,
+}
+
+pub fn get_oracle_type(oracle_info: &AccountInfo) -> Result<OracleType, ProgramError> {
+    if *oracle_info.owner == pyth_mainnet::id() {
+        return Ok(OracleType::Pyth);
+    } else if *oracle_info.owner == pyth_pull_mainnet::id() {
+        return Ok(OracleType::PythPull);
+    } else if *oracle_info.owner == switchboard_v2_mainnet::id() {
+        return Ok(OracleType::Switchboard);
+    } else if *oracle_info.owner == switchboard_on_demand_mainnet::id() {
+        return Ok(OracleType::SbOnDemand);
+    }
+
+    msg!(
+        "Could not find oracle type for {:?} with owner {:?}",
+        oracle_info.key,
+        oracle_info.owner
+    );
+    Err(LendingError::InvalidOracleConfig.into())
+}
+
+pub fn get_single_price(
+    oracle_account_info: &AccountInfo,
+    clock: &Clock,
+) -> Result<(Decimal, Option<Decimal>), ProgramError> {
+    match get_oracle_type(oracle_account_info)? {
+        OracleType::Pyth => {
+            let price = pyth::get_pyth_price(oracle_account_info, clock)?;
+            Ok((price.0, Some(price.1)))
+        }
+        OracleType::PythPull => {
+            let price = get_pyth_pull_price(oracle_account_info, clock)?;
+            Ok((price.0, Some(price.1)))
+        }
+        OracleType::Switchboard => {
+            let price = get_switchboard_price(oracle_account_info, clock)?;
+            Ok((price, None))
+        }
+        OracleType::SbOnDemand => {
+            let price = get_switchboard_price(oracle_account_info, clock)?;
+            Ok((price, None))
+        }
+    }
+}
+
+pub fn get_single_price_unchecked(
+    oracle_account_info: &AccountInfo,
+    clock: &Clock,
+) -> Result<Decimal, ProgramError> {
+    match get_oracle_type(oracle_account_info)? {
+        OracleType::Pyth => get_pyth_price_unchecked(oracle_account_info),
+        OracleType::PythPull => get_pyth_pull_price_unchecked(oracle_account_info),
+        OracleType::Switchboard => get_switchboard_price_v2(oracle_account_info, clock, false),
+        OracleType::SbOnDemand => get_switchboard_price_on_demand(oracle_account_info, clock, true),
+    }
+}
+
+/// Mainnet program id for Switchboard v2.
+pub mod switchboard_v2_mainnet {
+    solana_program::declare_id!("SW1TCH7qEPTdLsDHRgPuMQjbQxKdH2aBStViMFnt64f");
+}
+
+/// Devnet program id for Switchboard v2.
+pub mod switchboard_v2_devnet {
+    solana_program::declare_id!("2TfB33aLaneQb5TNVwyDz3jSZXS6jdW2ARw1Dgf84XCG");
+}
+
+/// Mainnet program id for Switchboard On-Demand Oracle.
+pub mod switchboard_on_demand_mainnet {
+    solana_program::declare_id!("SBondMDrcV3K4kxZR1HNVT7osZxAHVHgYXL5Ze1oMUv");
+}
+
+/// Devnet program id for Switchboard On-Demand Oracle.
+pub mod switchboard_on_demand_devnet {
+    solana_program::declare_id!("SBondMDrcV3K4kxZR1HNVT7osZxAHVHgYXL5Ze1oMUv");
+}
+
+/// Mainnet program id for pyth
+pub mod pyth_mainnet {
+    solana_program::declare_id!("FsJ3A3u2vn5cTVofAjvy6y5kwABJAqYWpe4975bi2epH");
+}
+
+/// Mainnet program id for pyth
+pub mod pyth_pull_mainnet {
+    solana_program::declare_id!("rec5EKMGg6MxZYaMdyBfgwp4d5rB9T1VQH5pJv5LtFJ");
+}