added a query msg for the data

Cargo.lock

@@ -6309,6 +6309,7 @@ dependencies = [
  "cosmwasm-schema",
  "cosmwasm-std",
  "cw-utils",
+ "cw2",
  "cw4",
  "nym-contracts-common",
  "nym-multisig-contract-common",

common/client-libs/validator-client/src/nyxd/contract_traits/dkg_query_client.rs

@@ -135,6 +135,11 @@ pub trait DkgQueryClient {
         };
         self.query_dkg_contract(request).await
     }
+
+    async fn get_contract_cw2_version(&self) -> Result<cw2::ContractVersion, NyxdError> {
+        self.query_dkg_contract(DkgQueryMsg::GetCW2ContractVersion {})
+            .await
+    }
 }
 
 // extension trait to the query client to deal with the paged queries
@@ -241,6 +246,7 @@ mod tests {
             } => client
                 .get_vk_shares_paged(epoch_id, start_after, limit)
                 .ignore(),
+            DkgQueryMsg::GetCW2ContractVersion {} => client.get_contract_cw2_version().ignore(),
         };
     }
 }

common/cosmwasm-smart-contracts/coconut-dkg/Cargo.toml

@@ -10,6 +10,7 @@ license.workspace = true
 cosmwasm-schema = { workspace = true }
 cosmwasm-std = { workspace = true }
 cw-utils = { workspace = true }
+cw2 = { workspace = true }
 cw4 = { workspace = true }
 
 contracts-common = { path = "../contracts-common", package = "nym-contracts-common" }

common/cosmwasm-smart-contracts/coconut-dkg/src/msg.rs

@@ -120,6 +120,11 @@ pub enum QueryMsg {
         limit: Option<u32>,
         start_after: Option<String>,
     },
+
+    /// Gets the stored contract version information that's required by the CW2 spec interface for migrations.
+    #[serde(rename = "get_cw2_contract_version")]
+    #[cfg_attr(feature = "schema", returns(cw2::ContractVersion))]
+    GetCW2ContractVersion {},
 }
 
 #[cw_serde]

contracts/Cargo.lock

@@ -1238,6 +1238,7 @@ dependencies = [
  "cosmwasm-schema",
  "cosmwasm-std",
  "cw-utils",
+ "cw2",
  "cw4",
  "nym-contracts-common",
  "nym-multisig-contract-common",

contracts/coconut-dkg/src/contract.rs

@@ -159,6 +159,7 @@ pub fn query(deps: Deps<'_>, _env: Env, msg: QueryMsg) -> Result<QueryResponse,
             limit,
             start_after,
         } => to_binary(&query_vk_shares_paged(deps, epoch_id, start_after, limit)?)?,
+        QueryMsg::GetCW2ContractVersion {} => to_binary(&cw2::get_contract_version(deps.storage)?),
     };
 
     Ok(response)

nym-connect/desktop/Cargo.lock

@@ -3814,6 +3814,7 @@ dependencies = [
  "cosmwasm-schema",
  "cosmwasm-std",
  "cw-utils",
+ "cw2",
  "cw4",
  "nym-contracts-common",
  "nym-multisig-contract-common",

nym-wallet/Cargo.lock

@@ -3220,6 +3220,7 @@ dependencies = [
  "cosmwasm-schema",
  "cosmwasm-std",
  "cw-utils",
+ "cw2",
  "cw4",
  "nym-contracts-common",
  "nym-multisig-contract-common",