simulation

contracts/transmuter/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Supanat Potiwarakorn <[email protected]>"]
 edition = "2021"
 name = "transmuter"
-version = "2.0.0"
+version = "2.1.0"
 
 exclude = [
   # Those files are rust-optimizer artifacts. You might want to commit them for convenience but they should not be part of the source code publication.
@@ -45,12 +45,12 @@ cosmwasm-std = {version = "1.3.1", features = ["cosmwasm_1_1"]}
 cosmwasm-storage = "1.3.1"
 cw-storage-plus = "1.1.0"
 cw2 = "1.1.0"
-osmosis-std = "0.19.1"
+osmosis-std = "0.20.1"
 schemars = "0.8.12"
 serde = {version = "1.0.183", default-features = false, features = ["derive"]}
 sylvia = "0.7.0"
 thiserror = {version = "1.0.44"}
 
 [dev-dependencies]
 itertools = "0.11.0"
-osmosis-test-tube = "19.0.0"
+osmosis-test-tube = "20.1.0"

contracts/transmuter/src/contract.rs

@@ -23,8 +23,8 @@ use osmosis_std::types::{
 use sylvia::contract;
 
 /// version info for migration
-const CONTRACT_NAME: &str = "crates.io:transmuter";
-const CONTRACT_VERSION: &str = env!("CARGO_PKG_VERSION");
+pub const CONTRACT_NAME: &str = "crates.io:transmuter";
+pub const CONTRACT_VERSION: &str = env!("CARGO_PKG_VERSION");
 
 /// Swap fee is hardcoded to zero intentionally.
 const SWAP_FEE: Decimal = Decimal::zero();
@@ -131,6 +131,40 @@ impl Transmuter<'_> {
 
     // === executes ===
 
+    #[msg(exec)]
+    fn add_new_assets(
+        &self,
+        ctx: (DepsMut, Env, MessageInfo),
+        denoms: Vec<String>,
+    ) -> Result<Response, ContractError> {
+        let (deps, _env, info) = ctx;
+
+        // only admin can add new assets
+        ensure_admin_authority!(info.sender, self.role.admin, deps.as_ref());
+
+        // ensure that new denoms are not alloyed denom
+        let share_denom = self.alloyed_asset.get_alloyed_denom(deps.storage)?;
+        for denom in &denoms {
+            ensure!(
+                denom != &share_denom,
+                ContractError::ShareDenomNotAllowedAsPoolAsset {}
+            );
+        }
+
+        // convert denoms to Denom type
+        let denoms = denoms
+            .into_iter()
+            .map(|denom| Denom::validate(deps.as_ref(), denom))
+            .collect::<Result<Vec<_>, ContractError>>()?;
+
+        // add new assets to the pool
+        let mut pool = self.pool.load(deps.storage)?;
+        pool.add_new_assets(&denoms)?;
+        self.pool.save(deps.storage, &pool)?;
+
+        Ok(Response::new().add_attribute("method", "add_new_assets"))
+    }
+
     #[msg(exec)]
     fn register_limiter(
         &self,
@@ -997,6 +1031,122 @@ mod tests {
     use cosmwasm_std::testing::{mock_dependencies, mock_env, mock_info};
     use cosmwasm_std::{attr, from_binary, SubMsgResponse, SubMsgResult, Uint64};
 
+    #[test]
+    fn test_add_new_assets() {
+        let mut deps = mock_dependencies();
+
+        // make denom has non-zero total supply
+        deps.querier.update_balance(
+            "someone",
+            vec![
+                Coin::new(1, "uosmo"),
+                Coin::new(1, "uion"),
+                Coin::new(1, "new_asset1"),
+                Coin::new(1, "new_asset2"),
+            ],
+        );
+
+        let admin = "admin";
+        let init_msg = InstantiateMsg {
+            pool_asset_denoms: vec!["uosmo".to_string(), "uion".to_string()],
+            alloyed_asset_subdenom: "uosmouion".to_string(),
+            admin: Some(admin.to_string()),
+            moderator: None,
+        };
+        let env = mock_env();
+        let info = mock_info(admin, &[]);
+
+        // Instantiate the contract.
+        instantiate(deps.as_mut(), env.clone(), info.clone(), init_msg).unwrap();
+
+        // Manually reply
+        let alloyed_denom = "usomoion";
+
+        reply(
+            deps.as_mut(),
+            env.clone(),
+            Reply {
+                id: 1,
+                result: SubMsgResult::Ok(SubMsgResponse {
+                    events: vec![],
+                    data: Some(
+                        MsgCreateDenomResponse {
+                            new_token_denom: alloyed_denom.to_string(),
+                        }
+                        .into(),
+                    ),
+                }),
+            },
+        )
+        .unwrap();
+
+        // Add new assets
+
+        // Attempt to add assets with invalid denom
+        let invalid_denoms = vec!["invalid_asset1".to_string(), "invalid_asset2".to_string()];
+        let add_invalid_assets_msg = ContractExecMsg::Transmuter(ExecMsg::AddNewAssets {
+            denoms: invalid_denoms,
+        });
+
+        let res = execute(
+            deps.as_mut(),
+            env.clone(),
+            info.clone(),
+            add_invalid_assets_msg,
+        );
+
+        // Check if the attempt resulted in DenomHasNoSupply error
+        assert_eq!(
+            res.unwrap_err(),
+            ContractError::DenomHasNoSupply {
+                denom: "invalid_asset1".to_string()
+            }
+        );
+
+        let new_assets = vec!["new_asset1".to_string(), "new_asset2".to_string()];
+        let add_assets_msg =
+            ContractExecMsg::Transmuter(ExecMsg::AddNewAssets { denoms: new_assets });
+
+        // Attempt to add assets by non-admin
+        let non_admin_info = mock_info("non_admin", &[]);
+        let res = execute(
+            deps.as_mut(),
+            env.clone(),
+            non_admin_info,
+            add_assets_msg.clone(),
+        );
+
+        // Check if the attempt was unauthorized
+        assert_eq!(
+            res.unwrap_err(),
+            ContractError::Unauthorized {},
+            "Adding assets by non-admin should be unauthorized"
+        );
+
+        execute(deps.as_mut(), env.clone(), info, add_assets_msg).unwrap();
+
+        // Check if the new assets were added
+        let res = query(
+            deps.as_ref(),
+            env.clone(),
+            ContractQueryMsg::Transmuter(QueryMsg::GetTotalPoolLiquidity {}),
+        )
+        .unwrap();
+        let GetTotalPoolLiquidityResponse {
+            total_pool_liquidity,
+        } = from_binary(&res).unwrap();
+
+        assert_eq!(
+            total_pool_liquidity,
+            vec![
+                Coin::new(0, "uosmo"),
+                Coin::new(0, "uion"),
+                Coin::new(0, "new_asset1"),
+                Coin::new(0, "new_asset2"),
+            ]
+        );
+    }
+
     #[test]
     fn test_set_active_status() {
         let mut deps = mock_dependencies();

contracts/transmuter/src/error.rs

@@ -9,6 +9,9 @@ pub enum ContractError {
     #[error("{0}")]
     Std(#[from] StdError),
 
+    #[error("{0}")]
+    VersionError(#[from] cw2::VersionError),
+
     #[error("Funds must be empty")]
     EmptyFundsExpected {},
 
@@ -80,9 +83,15 @@ pub enum ContractError {
     #[error("The pool is currently inactive")]
     InactivePool {},
 
-    #[error("YUnexpected denom: expected: {expected}, actual: {actual}")]
+    #[error("Unexpected denom: expected: {expected}, actual: {actual}")]
     UnexpectedDenom { expected: String, actual: String },
 
+    #[error("Duplicated pool asset denom: {denom}")]
+    DuplicatedPoolAssetDenom { denom: String },
+
+    #[error("Pool asset not be share denom")]
+    ShareDenomNotAllowedAsPoolAsset {},
+
     #[error("Unauthorized")]
     Unauthorized {},
 

contracts/transmuter/src/lib.rs

@@ -3,6 +3,7 @@ pub mod contract;
 mod denom;
 mod error;
 mod limiter;
+mod migrations;
 mod role;
 mod sudo;
 mod transmuter_pool;
@@ -19,6 +20,7 @@ mod entry_points {
 
     use crate::contract::{ContractExecMsg, ContractQueryMsg, ExecMsg, InstantiateMsg, Transmuter};
     use crate::error::ContractError;
+    use crate::migrations;
     use crate::sudo::SudoMsg;
 
     const CONTRACT: Transmuter = Transmuter::new();
@@ -87,6 +89,15 @@ mod entry_points {
 
         msg.dispatch(&CONTRACT, (deps, env))
     }
+
+    #[entry_point]
+    pub fn migrate(
+        deps: DepsMut,
+        _env: Env,
+        msg: migrations::v2_1_0::MigrateMsg,
+    ) -> Result<Response, ContractError> {
+        migrations::v2_1_0::execute_migration(deps, msg)
+    }
 }
 
 #[cfg(not(feature = "library"))]

contracts/transmuter/src/migrations/mod.rs

@@ -0,0 +1 @@
+pub mod v2_1_0;

contracts/transmuter/src/migrations/v2_1_0.rs

@@ -0,0 +1,34 @@
+use cosmwasm_schema::cw_serde;
+use cosmwasm_std::{ensure_eq, DepsMut, Response};
+
+use crate::{
+    contract::{CONTRACT_NAME, CONTRACT_VERSION},
+    ContractError,
+};
+
+const FROM_VERSION: &str = "2.0.0";
+const TO_VERSION: &str = "2.1.0";
+
+#[cw_serde]
+pub struct MigrateMsg {}
+
+pub fn execute_migration(deps: DepsMut, _msg: MigrateMsg) -> Result<Response, ContractError> {
+    // Assert that the stored contract version matches the expected version before migration
+    cw2::assert_contract_version(deps.storage, CONTRACT_NAME, FROM_VERSION)?;
+
+    // Ensure that the current contract version matches the target version to prevent migration to an incorrect version
+    ensure_eq!(
+        CONTRACT_VERSION,
+        TO_VERSION,
+        cw2::VersionError::WrongVersion {
+            expected: TO_VERSION.to_string(),
+            found: CONTRACT_VERSION.to_string()
+        }
+    );
+
+    // Set the contract version to the target version after successful migration
+    cw2::set_contract_version(deps.storage, CONTRACT_NAME, TO_VERSION)?;
+
+    // Return a response with an attribute indicating the method that was executed
+    Ok(Response::new().add_attribute("method", "v2_1_0/execute_migraiton"))
+}

contracts/transmuter/src/test/cases/units/add_new_assets.rs

@@ -0,0 +1,97 @@
+use cosmwasm_std::Coin;
+use osmosis_test_tube::OsmosisTestApp;
+
+use crate::{
+    contract::{GetShareDenomResponse, GetTotalPoolLiquidityResponse, InstantiateMsg},
+    test::test_env::{assert_contract_err, TestEnvBuilder},
+    ContractError,
+};
+
+#[test]
+fn test_add_new_assets() {
+    let app = OsmosisTestApp::new();
+
+    // create denom
+    app.init_account(&[
+        Coin::new(1, "denom1"),
+        Coin::new(1, "denom2"),
+        Coin::new(1, "denom3"),
+        Coin::new(1, "denom4"),
+    ])
+    .unwrap();
+
+    let t = TestEnvBuilder::new()
+        .with_account("admin", vec![])
+        .with_account("non_admin", vec![])
+        .with_instantiate_msg(InstantiateMsg {
+            pool_asset_denoms: vec!["denom1".to_string(), "denom2".to_string()],
+            admin: None, // override by admin account set above
+            alloyed_asset_subdenom: "denomx".to_string(),
+            moderator: None,
+        })
+        .build(&app);
+
+    // add new asset
+    let denoms = vec!["denom3".to_string(), "denom4".to_string()];
+
+    let err = t
+        .contract
+        .execute(
+            &crate::contract::ExecMsg::AddNewAssets {
+                denoms: denoms.clone(),
+            },
+            &[],
+            &t.accounts["non_admin"],
+        )
+        .unwrap_err();
+
+    assert_contract_err(ContractError::Unauthorized {}, err);
+
+    t.contract
+        .execute(
+            &crate::contract::ExecMsg::AddNewAssets { denoms },
+            &[],
+            &t.accounts["admin"],
+        )
+        .unwrap();
+
+    // Get total pool liquidity
+    let GetTotalPoolLiquidityResponse {
+        total_pool_liquidity,
+    } = t
+        .contract
+        .query(&crate::contract::QueryMsg::GetTotalPoolLiquidity {})
+        .unwrap();
+
+    assert_eq!(
+        total_pool_liquidity,
+        vec![
+            Coin::new(0, "denom1"),
+            Coin::new(0, "denom2"),
+            Coin::new(0, "denom3"),
+            Coin::new(0, "denom4"),
+        ]
+    );
+
+    // Get alloyed denom
+    let GetShareDenomResponse {
+        share_denom: alloyed_denom,
+    } = t
+        .contract
+        .query(&crate::contract::QueryMsg::GetShareDenom {})
+        .unwrap();
+
+    // Attempt to add alloyed_denom as asset, should error
+    let err = t
+        .contract
+        .execute(
+            &crate::contract::ExecMsg::AddNewAssets {
+                denoms: vec![alloyed_denom.clone()],
+            },
+            &[],
+            &t.accounts["admin"],
+        )
+        .unwrap_err();
+
+    assert_contract_err(ContractError::ShareDenomNotAllowedAsPoolAsset {}, err);
+}

contracts/transmuter/src/test/cases/units/mod.rs

@@ -4,3 +4,5 @@ mod spot_price;
 mod swap;
 
 mod create_pool;
+
+mod add_new_assets;