Merge pull request #3 from informalsystems/hu55a1n1/24-bootstrap-key-manager

Key manager bootstrap

bisenzone-cw-mvp/.gitignore

@@ -1,7 +1,7 @@
 # Build results
 /artifacts
-/target
-/schema
+target/
+schema/
 
 # Cargo+Git helper file (https://github.com/rust-lang/cargo/blob/0.44.1/src/cargo/sources/git/utils.rs#L320-L327)
 .cargo-ok

bisenzone-cw-mvp/contracts/cw-tee-mtcs/README.md

@@ -5,7 +5,30 @@ the [Key managers proposal v1](https://github.com/informalsystems/tee-mtcs/issue
 
 ## Testing instructions
 
-* Upload a cycle of obligations -
+* Submit a bootstrap key manager request -
+
+```
+export EXECUTE='{
+    "bootstrap_key_manager": {
+        "compute_mrenclave": "dc43f8c42d8e5f52c8bbd68f426242153f0be10630ff8cca255129a3ca03d273", 
+        "key_manager_mrenclave": "1cf2e52911410fbf3f199056a98d58795a559a2e800933f7fcd13d048462271c", 
+        "tcb_info": ""
+    }
+}'
+wasmd tx wasm execute "$CONTRACT" "$EXECUTE" --from alice --chain-id testing -y
+```
+
+* Query the bootstrap state -
+
+```
+wasmd query wasm contract-state raw "$CONTRACT" 7367787374617465 # BIN_HEX('sgx_state')
+# OR ----
+wasmd query wasm contract-state smart "$CONTRACT" '{
+  "get_sgx_state": { }
+}'
+```
+
+* Submit a join compute node request -
 
 ```
 export EXECUTE='{

bisenzone-cw-mvp/contracts/cw-tee-mtcs/src/contract.rs

@@ -4,7 +4,7 @@ use cosmwasm_std::{
 use cw2::set_contract_version;
 
 use crate::error::ContractError;
-use crate::msg::execute::JoinComputeNodeMsg;
+use crate::msg::execute::{BootstrapKeyManagerMsg, JoinComputeNodeMsg};
 use crate::msg::{ExecuteMsg, InstantiateMsg, QueryMsg};
 use crate::state::{State, STATE};
 
@@ -38,6 +38,13 @@ pub fn execute(
     msg: ExecuteMsg,
 ) -> Result<Response, ContractError> {
     match msg {
+        ExecuteMsg::BootstrapKeyManager(BootstrapKeyManagerMsg {
+            compute_mrenclave,
+            key_manager_mrenclave,
+            tcb_info,
+        }) => {
+            execute::bootstrap_key_manger(deps, compute_mrenclave, key_manager_mrenclave, tcb_info)
+        }
         ExecuteMsg::JoinComputeNode(JoinComputeNodeMsg {
             io_exchange_key,
             address,
@@ -50,9 +57,46 @@ pub mod execute {
     use cosmwasm_std::{DepsMut, Response};
     use k256::ecdsa::VerifyingKey;
 
-    use crate::state::{RawAddress, RawNonce, RawPublicKey};
+    use crate::state::{
+        Mrenclave, RawAddress, RawMrenclave, RawNonce, RawPublicKey, RawTcbInfo, SgxState,
+        SGX_STATE,
+    };
     use crate::state::{Request, REQUESTS};
     use crate::ContractError;
+    use crate::ContractError::BadLength;
+
+    pub fn bootstrap_key_manger(
+        deps: DepsMut,
+        compute_mrenclave: RawMrenclave,
+        key_manager_mrenclave: RawMrenclave,
+        tcb_info: RawTcbInfo,
+    ) -> Result<Response, ContractError> {
+        let _: Mrenclave = hex::decode(&compute_mrenclave)?
+            .try_into()
+            .map_err(|_| BadLength)?;
+        let _: Mrenclave = hex::decode(&key_manager_mrenclave)?
+            .try_into()
+            .map_err(|_| BadLength)?;
+        // TODO(hu55a1n1): validate TcbInfo
+
+        let sgx_state = SgxState {
+            compute_mrenclave: compute_mrenclave.clone(),
+            key_manager_mrenclave: key_manager_mrenclave.clone(),
+            tcb_info: tcb_info.clone(),
+        };
+
+        if SGX_STATE.exists(deps.storage) {
+            return Err(ContractError::Unauthorized);
+        }
+
+        SGX_STATE.save(deps.storage, &sgx_state)?;
+
+        Ok(Response::new()
+            .add_attribute("action", "bootstrap_key_manger")
+            .add_attribute("compute_mrenclave", compute_mrenclave)
+            .add_attribute("key_manager_mrenclave", key_manager_mrenclave)
+            .add_attribute("tcb_info", tcb_info))
+    }
 
     pub fn enqueue_join_request(
         deps: DepsMut,
@@ -64,11 +108,12 @@ pub mod execute {
         let _ = deps.api.addr_validate(&address)?;
         let _ = hex::decode(&nonce);
 
-        REQUESTS.save(
-            deps.storage,
-            &nonce,
-            &Request::JoinComputeNode((io_exchange_key.clone(), address)),
-        )?;
+        let mut requests = REQUESTS.may_load(deps.storage)?.unwrap_or_default();
+        requests.push((
+            nonce,
+            Request::JoinComputeNode((io_exchange_key.clone(), address)),
+        ));
+        REQUESTS.save(deps.storage, &requests)?;
 
         Ok(Response::new()
             .add_attribute("action", "enqueue_request")
@@ -79,21 +124,32 @@ pub mod execute {
 #[cfg_attr(not(feature = "library"), entry_point)]
 pub fn query(deps: Deps, _env: Env, msg: QueryMsg) -> StdResult<Binary> {
     match msg {
+        QueryMsg::GetSgxState {} => to_json_binary(&query::get_sgx_state(deps)?),
         QueryMsg::GetRequests {} => to_json_binary(&query::get_requests(deps)?),
     }
 }
 
 pub mod query {
-    use cosmwasm_std::{Deps, Order, StdResult};
+    use cosmwasm_std::{Deps, StdResult};
 
-    use crate::msg::query::GetRequestsResponse;
-    use crate::state::{RawNonce, Request, REQUESTS};
+    use crate::msg::query::{GetRequestsResponse, GetSgxStateResponse};
+    use crate::state::{SgxState, REQUESTS, SGX_STATE};
+
+    pub fn get_sgx_state(deps: Deps) -> StdResult<GetSgxStateResponse> {
+        let SgxState {
+            compute_mrenclave,
+            key_manager_mrenclave,
+            ..
+        } = SGX_STATE.load(deps.storage)?;
+        Ok(GetSgxStateResponse {
+            compute_mrenclave,
+            key_manager_mrenclave,
+        })
+    }
 
     pub fn get_requests(deps: Deps) -> StdResult<GetRequestsResponse> {
         Ok(GetRequestsResponse {
-            requests: REQUESTS
-                .range(deps.storage, None, None, Order::Ascending)
-                .collect::<StdResult<Vec<(RawNonce, Request)>>>()?,
+            requests: REQUESTS.load(deps.storage)?,
         })
     }
 }

bisenzone-cw-mvp/contracts/cw-tee-mtcs/src/error.rs

@@ -11,33 +11,24 @@ pub enum ContractError {
     #[error("Unauthorized")]
     Unauthorized,
 
-    #[error("Invalid pubkey")]
-    InvalidPubKey(PublicKeyError),
-}
-
-#[derive(Error, Debug)]
-pub enum PublicKeyError {
     #[error("Not Secp256K1")]
     K256(K256Error),
+
     #[error("Invalid hex")]
     Hex(FromHexError),
+
+    #[error("Invalid length")]
+    BadLength,
 }
 
-impl<T: Into<PublicKeyError>> From<T> for ContractError {
-    fn from(e: T) -> Self {
-        let e = e.into();
-        Self::InvalidPubKey(e)
-    }
-}
-
-impl From<K256Error> for PublicKeyError {
+impl From<K256Error> for ContractError {
     fn from(e: K256Error) -> Self {
-        PublicKeyError::K256(e)
+        ContractError::K256(e)
     }
 }
 
-impl From<FromHexError> for PublicKeyError {
+impl From<FromHexError> for ContractError {
     fn from(e: FromHexError) -> Self {
-        PublicKeyError::Hex(e)
+        ContractError::Hex(e)
     }
 }

bisenzone-cw-mvp/contracts/cw-tee-mtcs/src/msg.rs

@@ -5,12 +5,20 @@ pub struct InstantiateMsg;
 
 #[cw_serde]
 pub enum ExecuteMsg {
+    BootstrapKeyManager(execute::BootstrapKeyManagerMsg),
     JoinComputeNode(execute::JoinComputeNodeMsg),
 }
 
 pub mod execute {
     use super::*;
 
+    #[cw_serde]
+    pub struct BootstrapKeyManagerMsg {
+        pub compute_mrenclave: String,
+        pub key_manager_mrenclave: String,
+        pub tcb_info: String,
+    }
+
     #[cw_serde]
     pub struct JoinComputeNodeMsg {
         pub io_exchange_key: String,
@@ -22,6 +30,8 @@ pub mod execute {
 #[cw_serde]
 #[derive(QueryResponses)]
 pub enum QueryMsg {
+    #[returns(query::GetSgxStateResponse)]
+    GetSgxState {},
     #[returns(query::GetRequestsResponse)]
     GetRequests {},
 }
@@ -29,7 +39,13 @@ pub enum QueryMsg {
 pub mod query {
     use super::*;
 
-    use crate::state::{RawNonce, Request};
+    use crate::state::{RawMrenclave, RawNonce, Request};
+
+    #[cw_serde]
+    pub struct GetSgxStateResponse {
+        pub compute_mrenclave: RawMrenclave,
+        pub key_manager_mrenclave: RawMrenclave,
+    }
 
     #[cw_serde]
     pub struct GetRequestsResponse {

bisenzone-cw-mvp/contracts/cw-tee-mtcs/src/state.rs

@@ -1,9 +1,13 @@
 use cosmwasm_schema::cw_serde;
-use cw_storage_plus::{Item, Map};
+use cw_storage_plus::Item;
 
 pub type RawNonce = String;
 pub type RawPublicKey = String;
 pub type RawAddress = String;
+pub type RawMrenclave = String;
+pub type RawTcbInfo = String;
+
+pub type Mrenclave = [u8; 32];
 
 #[cw_serde]
 pub struct State {
@@ -15,5 +19,13 @@ pub enum Request {
     JoinComputeNode((RawPublicKey, RawAddress)),
 }
 
+#[cw_serde]
+pub struct SgxState {
+    pub compute_mrenclave: RawMrenclave,
+    pub key_manager_mrenclave: RawMrenclave,
+    pub tcb_info: RawTcbInfo,
+}
+
 pub const STATE: Item<State> = Item::new("state");
-pub const REQUESTS: Map<&RawNonce, Request> = Map::new("requests");
+pub const REQUESTS: Item<Vec<(RawNonce, Request)>> = Item::new("requests");
+pub const SGX_STATE: Item<SgxState> = Item::new("sgxstate");