feat(wip): embedded relayer

Author: sander2

Cargo.lock

@@ -413,7 +413,7 @@ pub(crate) mod tests {
 
     #[test]
     fn test_parse_block_header() {
-        let hex_header = sample_block_header();
+        let hex_header = "0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4adae5494dffff7f2002000000";
         let parsed_header = BlockHeader::from_hex(&hex_header).unwrap();
         assert_eq!(parsed_header.version, 4);
         assert_eq!(parsed_header.timestamp, 1415239972);

crates/bitcoin/src/parser.rs

@@ -352,7 +352,7 @@ pub mod pallet {
 
     /// BTC height when the relay was initialized
     #[pallet::storage]
-    pub(super) type StartBlockHeight<T: Config> = StorageValue<_, u32, ValueQuery>;
+    pub type StartBlockHeight<T: Config> = StorageValue<_, u32, ValueQuery>;
 
     /// Increment-only counter used to track new BlockChain entries
     #[pallet::storage]

crates/btc-relay/src/lib.rs

@@ -25,13 +25,15 @@ futures = "0.3.15"
 jsonrpsee = { version = "0.16.2", features = ["server", "macros"] }
 serde_json = "1.0.68"
 regex = "1.5.6"
+bitcoin_client = { path = "../../polkabtc-clients/bitcoin/", package = "bitcoin", features=["cli"]}
+hex = "0.4.2"
 
 # Parachain dependencies
 interlay-runtime = { package = "interlay-runtime-parachain", path = "./runtime/interlay" }
 kintsugi-runtime = { package = "kintsugi-runtime-parachain", path = "./runtime/kintsugi" }
 runtime-common = { package = "runtime-common", path = "./runtime/common" }
 interbtc-rpc = { path = "../rpc" }
-bitcoin = { path = "../crates/bitcoin" }
+bitcoin = { path = "../crates/bitcoin", features = ["parser"] }
 loans = { path = "../crates/loans" }
 primitives = { package = "interbtc-primitives", path = "../primitives" }
 
@@ -124,6 +126,9 @@ fp-evm = { git = "https://github.com/paritytech/frontier", branch = "polkadot-v0
 fp-rpc = { git = "https://github.com/paritytech/frontier", branch = "polkadot-v0.9.42" }
 pallet-evm = { git = "https://github.com/paritytech/frontier", branch = "polkadot-v0.9.42" }
 
+tokio = "1.22.0"
+pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.42" }
+
 [features]
 default = []
 

parachain/Cargo.toml

@@ -75,7 +75,7 @@ pub use sp_runtime::BuildStorage;
 pub use sp_runtime::{FixedU128, Perbill, Permill};
 
 // interBTC exports
-pub use btc_relay::{bitcoin, Call as BtcRelayCall, TARGET_SPACING};
+pub use btc_relay::{self, bitcoin, Call as BtcRelayCall, TARGET_SPACING};
 pub use constants::{currency::*, time::*};
 pub use oracle_rpc_runtime_api::BalanceWrapper;
 pub use orml_asset_registry::AssetMetadata;

parachain/runtime/kintsugi/src/lib.rs

@@ -90,6 +90,10 @@ pub struct Cli {
     #[clap(flatten)]
     pub eth: EthConfiguration,
 
+    /// Connection settings for Bitcoin Core for relay purposes.
+    #[clap(flatten)]
+    pub bitcoin: bitcoin_client::cli::BitcoinOpts,
+
     /// Relaychain arguments
     #[clap(raw = true)]
     pub relaychain_args: Vec<String>,

parachain/src/cli.rs

@@ -470,6 +470,10 @@ pub fn run() -> Result<()> {
 
             runner
                 .run_node_until_exit(|config| async move {
+                    log::info!("Im here");
+                    // let bitcoin_rpc = cli.bitcoin.new_client(None).await.unwrap();
+                    // plan: use pool.
+                    // bitcoin_rpc.
                     if cli.instant_seal {
                         start_instant(cli, config).await
                     } else {
@@ -484,6 +488,7 @@ pub fn run() -> Result<()> {
 async fn start_instant(cli: Cli, config: Configuration) -> sc_service::error::Result<TaskManager> {
     with_runtime_or_err!(config.chain_spec, {
         {
+            log::info!("starting instant..");
             crate::service::start_instant::<RuntimeApi, Executor, TransactionConverter>(config, cli.eth)
                 .await
                 .map(|r| r.0)