Feat() : fetch strk price from oracle

.github/workflows/starknet-js-test.yml

@@ -26,7 +26,7 @@ jobs:
           fail-on-cache-miss: true
       - name: Setup dev chain and run tests
         run: |
-          ./target/release/madara --name madara --base-path ../madara_db --rpc-port 9944 --rpc-cors "*" --rpc-external --devnet --preset devnet --gas-price 0 --blob-gas-price 0 --no-l1-sync &
+          ./target/release/madara --name madara --base-path ../madara_db --rpc-port 9944 --rpc-cors "*" --rpc-external --devnet --preset devnet --gas-price 0 --blob-gas-price 0 --strk-gas-price 0 --strk-blob-gas-price 0 --no-l1-sync &
           MADARA_PID=$!
           while ! echo exit | nc localhost 9944; do sleep 1; done
           cd tests/js_tests

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Next release
 
+- feat: fetch eth/strk price and sync strk gas price
 - feat(confg): added chain config template and fgw example
 - feat(v0.8.0-rc0): starknet_subscribeNewHeads
 - fix(rocksdb): update max open files opt

Cargo.toml

@@ -107,6 +107,7 @@ mp-receipt = { path = "crates/primitives/receipt", default-features = false }
 mp-state-update = { path = "crates/primitives/state_update", default-features = false }
 mp-utils = { path = "crates/primitives/utils", default-features = false }
 mp-chain-config = { path = "crates/primitives/chain_config", default-features = false }
+mp-oracle = { path = "crates/primitives/oracle", default-features = false }
 
 # Madara client
 mc-analytics = { path = "crates/client/analytics" }

crates/client/eth/Cargo.toml

@@ -35,6 +35,7 @@ starknet_api = { workspace = true }
 # Other
 alloy = { workspace = true }
 anyhow = "1.0.75"
+bigdecimal = "0.4.5"
 bitvec = { workspace = true }
 blockifier = { workspace = true }
 futures = { workspace = true, default-features = true }

crates/client/eth/src/l1_gas_price.rs

@@ -2,6 +2,7 @@ use crate::client::EthereumClient;
 use alloy::eips::BlockNumberOrTag;
 use alloy::providers::Provider;
 use anyhow::Context;
+use bigdecimal::BigDecimal;
 use mc_mempool::{GasPriceProvider, L1DataProvider};
 use std::time::{Duration, UNIX_EPOCH};
 
@@ -67,6 +68,21 @@ async fn update_gas_price(eth_client: &EthereumClient, l1_gas_provider: GasPrice
     l1_gas_provider.update_eth_l1_gas_price(*eth_gas_price);
     l1_gas_provider.update_eth_l1_data_gas_price(avg_blob_base_fee);
 
+    // fetch eth/strk price and update
+    if let Some(oracle_provider) = &l1_gas_provider.oracle_provider {
+        let (eth_strk_price, decimals) =
+            oracle_provider.fetch_eth_strk_price().await.context("failed to retrieve ETH/STRK price")?;
+        let strk_gas_price = (BigDecimal::new((*eth_gas_price).into(), decimals.into())
+            / BigDecimal::new(eth_strk_price.into(), decimals.into()))
+        .as_bigint_and_exponent();
+        let strk_data_gas_price = (BigDecimal::new(avg_blob_base_fee.into(), decimals.into())
+            / BigDecimal::new(eth_strk_price.into(), decimals.into()))
+        .as_bigint_and_exponent();
+
+        l1_gas_provider.update_strk_l1_gas_price(strk_gas_price.0.to_str_radix(10).parse::<u128>()?);
+        l1_gas_provider.update_strk_l1_data_gas_price(strk_data_gas_price.0.to_str_radix(10).parse::<u128>()?);
+    }
+
     l1_gas_provider.update_last_update_timestamp();
 
     // Update block number separately to avoid holding the lock for too long

crates/client/mempool/Cargo.toml

@@ -43,6 +43,7 @@ mp-block.workspace = true
 mp-chain-config.workspace = true
 mp-class.workspace = true
 mp-convert.workspace = true
+mp-oracle.workspace = true
 mp-receipt.workspace = true
 mp-state-update.workspace = true
 mp-transactions.workspace = true
@@ -58,6 +59,8 @@ starknet_api.workspace = true
 anyhow.workspace = true
 log.workspace = true
 mockall = { workspace = true, optional = true }
+reqwest.workspace = true
+serde.workspace = true
 thiserror.workspace = true
 tokio.workspace = true
 

crates/client/mempool/src/l1.rs

@@ -1,4 +1,5 @@
 use mp_block::header::{GasPrices, L1DataAvailabilityMode};
+use mp_oracle::Oracle;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, Mutex};
 use std::time::SystemTime;
@@ -11,6 +12,7 @@ pub struct GasPriceProvider {
     data_gas_price_sync_enabled: Arc<AtomicBool>,
     strk_gas_price_sync_enabled: Arc<AtomicBool>,
     strk_data_gas_price_sync_enabled: Arc<AtomicBool>,
+    pub oracle_provider: Option<Arc<Oracle>>,
 }
 
 impl GasPriceProvider {
@@ -22,9 +24,19 @@ impl GasPriceProvider {
             data_gas_price_sync_enabled: Arc::new(AtomicBool::new(true)),
             strk_gas_price_sync_enabled: Arc::new(AtomicBool::new(true)),
             strk_data_gas_price_sync_enabled: Arc::new(AtomicBool::new(true)),
+            oracle_provider: None,
         }
     }
 
+    pub fn is_oracle_needed(&self) -> bool {
+        self.strk_gas_price_sync_enabled.load(Ordering::Relaxed)
+            || self.strk_data_gas_price_sync_enabled.load(Ordering::Relaxed)
+    }
+
+    pub fn set_oracle_provider(&mut self, oracle_provider: Oracle) {
+        self.oracle_provider = Some(Arc::new(oracle_provider));
+    }
+
     pub fn set_gas_prices(&self, new_prices: GasPrices) {
         self.update_eth_l1_gas_price(new_prices.eth_l1_gas_price);
         self.update_strk_l1_gas_price(new_prices.strk_l1_gas_price);
@@ -41,11 +53,11 @@ impl GasPriceProvider {
     }
 
     pub fn set_strk_gas_price_sync_enabled(&self, enabled: bool) {
-        self.gas_price_sync_enabled.store(enabled, Ordering::Relaxed);
+        self.strk_gas_price_sync_enabled.store(enabled, Ordering::Relaxed);
     }
 
     pub fn set_strk_data_gas_price_sync_enabled(&self, enabled: bool) {
-        self.data_gas_price_sync_enabled.store(enabled, Ordering::Relaxed);
+        self.strk_data_gas_price_sync_enabled.store(enabled, Ordering::Relaxed);
     }
 
     pub fn update_last_update_timestamp(&self) {

crates/node/Cargo.toml

@@ -34,6 +34,7 @@ mc-telemetry = { workspace = true }
 mp-block = { workspace = true }
 mp-chain-config = { workspace = true }
 mp-convert = { workspace = true }
+mp-oracle = { workspace = true }
 mp-utils = { workspace = true }
 
 # Starknet

crates/node/src/cli/l1.rs

@@ -30,6 +30,14 @@ pub struct L1SyncParams {
     #[clap(env = "MADARA_STRK_DATA_GAS_PRICE", long, alias = "strk-blob-gas-price")]
     pub strk_blob_gas_price: Option<u64>,
 
+    /// Oracle API url.
+    #[clap(env = "ORACLE_URL", long, alias = "oracle-url")]
+    pub oracle_url: Option<Url>,
+
+    /// Oracle API key.
+    #[clap(env = "ORACLE_API_KEY", long, alias = "oracle-api-key")]
+    pub oracle_api_key: Option<String>,
+
     /// Time in which the gas price worker will fetch the gas price.
     #[clap(
 		env = "MADARA_GAS_PRICE_POLL",

crates/node/src/main.rs

@@ -17,6 +17,7 @@ use mc_mempool::{GasPriceProvider, L1DataProvider, Mempool};
 use mc_rpc::providers::{AddTransactionProvider, ForwardToProvider, MempoolAddTxProvider};
 use mc_telemetry::{SysInfo, TelemetryService};
 use mp_convert::ToFelt;
+use mp_oracle::Oracle;
 use mp_utils::service::{Service, ServiceGroup};
 use service::{BlockProductionService, GatewayService, L1SyncService, RpcService, SyncService};
 use starknet_providers::SequencerGatewayProvider;
@@ -90,7 +91,7 @@ async fn main() -> anyhow::Result<()> {
         .context("Initializing importer service")?,
     );
 
-    let l1_gas_setter = GasPriceProvider::new();
+    let mut l1_gas_setter = GasPriceProvider::new();
 
     if let Some(fix_gas) = run_cmd.l1_sync_params.gas_price {
         l1_gas_setter.update_eth_l1_gas_price(fix_gas as u128);
@@ -108,6 +109,18 @@ async fn main() -> anyhow::Result<()> {
         l1_gas_setter.update_strk_l1_data_gas_price(strk_fix_blob_gas as u128);
         l1_gas_setter.set_strk_data_gas_price_sync_enabled(false);
     }
+    if let Some(ref oracle_url) = run_cmd.l1_sync_params.oracle_url {
+        if let Some(ref oracle_api_key) = run_cmd.l1_sync_params.oracle_api_key {
+            let oracle = Oracle::new("Pragma", oracle_url.to_string(), oracle_api_key.clone())?;
+            l1_gas_setter.set_oracle_provider(oracle);
+        }
+    }
+
+    if l1_gas_setter.is_oracle_needed() && l1_gas_setter.oracle_provider.is_none() {
+        log::error!("STRK gas is not fixed and oracle is not provided");
+        panic!();
+    }
+
     let l1_data_provider: Arc<dyn L1DataProvider> = Arc::new(l1_gas_setter.clone());
 
     // declare mempool here so that it can be used to process l1->l2 messages in the l1 service

crates/primitives/oracle/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+description = "Madara primitive for Oracles"
+name = "mp-oracle"
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+version.workspace = true
+homepage.workspace = true
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+
+# Other
+anyhow = { workspace = true }
+num-bigint = { workspace = true }
+reqwest = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }

crates/primitives/oracle/src/lib.rs

@@ -0,0 +1,63 @@
+use anyhow::bail;
+use serde::{Deserialize, Serialize};
+
+mod pragma;
+
+use pragma::*;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "oracle_name", content = "config")]
+pub enum Oracle {
+    Pragma(PragmaOracle),
+}
+
+impl Oracle {
+    pub fn new(oracle_name: &str, url: String, key: String) -> anyhow::Result<Self> {
+        match oracle_name {
+            "Pragma" => Ok(Oracle::Pragma(PragmaOracle::new(url, key))),
+            _ => bail!("Unknown Oracle name"),
+        }
+    }
+
+    pub fn set_base_url(&mut self, url: String) {
+        match self {
+            Oracle::Pragma(pragma_oracle) => pragma_oracle.api_url = url,
+        }
+    }
+
+    pub async fn fetch_eth_strk_price(&self) -> anyhow::Result<(u128, u32)> {
+        match self {
+            Oracle::Pragma(pragma_oracle) => pragma_oracle.fetch_eth_strk_price().await,
+        }
+    }
+
+    pub fn set_api_key(&mut self, key: String) {
+        match self {
+            Oracle::Pragma(pragma_oracle) => pragma_oracle.api_key = key,
+        }
+    }
+
+    pub fn get_fetch_url(&self, base: String, quote: String) -> String {
+        match self {
+            Oracle::Pragma(pragma_oracle) => pragma_oracle.get_fetch_url(base, quote),
+        }
+    }
+
+    pub fn get_api_key(&self) -> &String {
+        match self {
+            Oracle::Pragma(oracle) => &oracle.api_key,
+        }
+    }
+
+    pub fn is_in_bounds(&self, price: u128) -> bool {
+        match self {
+            Oracle::Pragma(oracle) => oracle.price_bounds.low <= price && price <= oracle.price_bounds.high,
+        }
+    }
+}
+
+impl Default for Oracle {
+    fn default() -> Self {
+        Self::Pragma(PragmaOracle::default())
+    }
+}