feat : Add project type (#251)

pallets/carbon-credits/src/migration.rs

@@ -14,7 +14,7 @@ pub mod v3 {
 	pub struct MigrateToV3<T>(sp_std::marker::PhantomData<T>);
 	impl<T: Config> OnRuntimeUpgrade for MigrateToV3<T> {
 		fn on_runtime_upgrade() -> Weight {
-			log::info!("V3 MIGRATION : About to execute carbon-credits migration!");
+			log::info!("V4 MIGRATION : About to execute carbon-credits migration!");
 
 			// convert the project type to new format
 			Projects::<T>::translate::<OldProjectDetail<T>, _>(
@@ -33,17 +33,14 @@ pub mod v3 {
 						batch_groups: old.batch_groups,
 						created: old.created,
 						updated: old.updated,
-						approved: match old.approved {
-							// modified field
-							true => ProjectApprovalStatus::Approved,
-							false => ProjectApprovalStatus::Rejected,
-						},
+						approved: old.approved,
+						project_type: None,
 					};
 					Some(converted_data)
 				},
 			);
 
-			log::info!("V3 MIGRATION : Carbon credits migration complete!");
+			log::info!("V4 MIGRATION : Carbon credits migration complete!");
 
 			T::DbWeight::get().reads_writes(1, 1)
 		}

pallets/carbon-credits/src/types.rs

@@ -88,6 +88,8 @@ pub struct ProjectCreateParams<T: pallet::Config> {
 	pub royalties: Option<RoyaltyRecipientsOf<T>>,
 	/// List of batch groups in the project
 	pub batch_groups: BatchGroupListOf<T>,
+	/// Type of carbon credit project
+	pub project_type: Option<ProjectType>,
 }
 
 /// Details of the project stored on-chain
@@ -119,6 +121,8 @@ pub struct ProjectDetail<T: pallet::Config> {
 	pub royalties: Option<RoyaltyRecipientsOf<T>>,
 	/// groups included in the project
 	pub batch_groups: BatchGroupMapOf<T>,
+	/// Type of carbon credit project
+	pub project_type: Option<ProjectType>,
 	// origination details
 	/// Creation time of project
 	pub created: T::BlockNumber,

primitives/src/carbon_credits.rs

@@ -191,3 +191,33 @@ pub trait CarbonCreditsValidator {
 		amount: Self::Amount,
 	) -> DispatchResult;
 }
+
+/// Represents different types of projects related to environmental impact assessment.
+pub enum ProjectType {
+	/// Projects related to agriculture, forestry, and other land use.
+	AGRICULTURE_FORESTRY_AND_OTHER_LAND_USE,
+	/// Projects related to the chemical industry.
+	CHEMICAL_INDUSTRY,
+	/// Projects related to energy demand.
+	ENERGY_DEMAND,
+	/// Projects related to energy distribution.
+	ENERGY_DISTRIBUTION,
+	/// Projects related to energy industries.
+	ENERGY_INDUSTRIES,
+	/// Projects related to fugitive emissions from fuels.
+	FUGITIVE_EMISSIONS_FROM_FUELS,
+	/// Projects related to fugitive emissions from carbons.
+	FUGITIVE_EMISSIONS_FROM_CARBONS,
+	/// Projects related to livestock.
+	LIVESTOCK,
+	/// Projects related to manufacturing industries.
+	MANUFACTURING_INDUSTRIES,
+	/// Projects related to metal production.
+	METAL_PRODUCTION,
+	/// Projects related to mining and mineral production.
+	MINING_MINERAL_PRODUCTION,
+	/// Projects related to transport.
+	TRANSPORT,
+	/// Projects related to waste handling.
+	WASTE_HANDLING,
+}