Merge pull request #3545 from autonomys/min_transfer_amount

Add minimum transfer amount to transporting to different chain through XDM

Author: vedhavyas

crates/subspace-runtime/src/lib.rs

@@ -798,6 +798,7 @@ where
 
 parameter_types! {
     pub const TransporterEndpointId: EndpointId = 1;
+    pub const MinimumTransfer: Balance = SSC;
 }
 
 impl pallet_transporter::Config for Runtime {
@@ -809,6 +810,7 @@ impl pallet_transporter::Config for Runtime {
     type AccountIdConverter = AccountIdConverter;
     type WeightInfo = pallet_transporter::weights::SubstrateWeight<Runtime>;
     type SkipBalanceTransferChecks = pallet_domains::DomainsSkipBalanceChecks<Runtime>;
+    type MinimumTransfer = MinimumTransfer;
 }
 
 parameter_types! {

domains/pallets/messenger/src/mock.rs

@@ -153,6 +153,7 @@ macro_rules! impl_runtime {
 
         parameter_types! {
             pub const TransporterEndpointId: EndpointId = 100;
+            pub const MinimumTransfer: Balance = 1;
         }
 
         #[derive(Debug)]
@@ -182,6 +183,7 @@ macro_rules! impl_runtime {
             type AccountIdConverter = MockAccountIdConverter;
             type WeightInfo = ();
             type SkipBalanceTransferChecks = ();
+            type MinimumTransfer = MinimumTransfer;
         }
 
         impl pallet_domains::Config for $runtime {}

domains/pallets/transporter/src/lib.rs

@@ -117,6 +117,9 @@ mod pallet {
 
         /// Skip Balance transfer checks
         type SkipBalanceTransferChecks: SkipBalanceChecks;
+
+        /// Minimum transfer amount.
+        type MinimumTransfer: Get<BalanceOf<Self>>;
     }
 
     /// Pallet transporter to move funds between chains.
@@ -230,6 +233,8 @@ mod pallet {
         BalanceUnderflow,
         /// Emits when domain balance is already initialized
         DomainBalanceAlreadyInitialized,
+        /// Emits when the requested transfer amount is less than Minimum transfer amount.
+        MinimumTransferAmount,
     }
 
     #[pallet::call]
@@ -244,6 +249,10 @@ mod pallet {
             amount: BalanceOf<T>,
         ) -> DispatchResult {
             let sender = ensure_signed(origin)?;
+            ensure!(
+                amount >= T::MinimumTransfer::get(),
+                Error::<T>::MinimumTransferAmount
+            );
 
             // burn transfer amount
             let _imbalance = T::Currency::withdraw(

domains/pallets/transporter/src/mock.rs

@@ -157,6 +157,10 @@ impl TryConvertBack<AccountId, MultiAccountId> for MockAccountIdConverter {
     }
 }
 
+parameter_types! {
+    pub const MinimumTransfer: Balance = 1;
+}
+
 impl Config for MockRuntime {
     type RuntimeEvent = RuntimeEvent;
     type SelfChainId = SelfChainId;
@@ -169,6 +173,7 @@ impl Config for MockRuntime {
     type AccountIdConverter = MockAccountIdConverter;
     type WeightInfo = ();
     type SkipBalanceTransferChecks = ();
+    type MinimumTransfer = MinimumTransfer;
 }
 
 pub const USER_ACCOUNT: AccountId = 1;

domains/runtime/auto-id/src/lib.rs

@@ -457,6 +457,7 @@ where
 
 parameter_types! {
     pub const TransporterEndpointId: EndpointId = 1;
+    pub const MinimumTransfer: Balance = SSC;
 }
 
 impl pallet_transporter::Config for Runtime {
@@ -468,6 +469,7 @@ impl pallet_transporter::Config for Runtime {
     type AccountIdConverter = domain_runtime_primitives::AccountIdConverter;
     type WeightInfo = pallet_transporter::weights::SubstrateWeight<Runtime>;
     type SkipBalanceTransferChecks = ();
+    type MinimumTransfer = MinimumTransfer;
 }
 
 impl pallet_domain_id::Config for Runtime {}

domains/runtime/evm/src/lib.rs

@@ -609,6 +609,7 @@ where
 
 parameter_types! {
     pub const TransporterEndpointId: EndpointId = 1;
+    pub const MinimumTransfer: Balance = SSC;
 }
 
 impl pallet_transporter::Config for Runtime {
@@ -620,6 +621,7 @@ impl pallet_transporter::Config for Runtime {
     type AccountIdConverter = domain_runtime_primitives::AccountId20Converter;
     type WeightInfo = pallet_transporter::weights::SubstrateWeight<Runtime>;
     type SkipBalanceTransferChecks = ();
+    type MinimumTransfer = MinimumTransfer;
 }
 
 impl pallet_evm_chain_id::Config for Runtime {}

domains/test/runtime/auto-id/src/lib.rs

@@ -455,6 +455,7 @@ where
 
 parameter_types! {
     pub const TransporterEndpointId: EndpointId = 1;
+    pub const MinimumTransfer: Balance = 1;
 }
 
 impl pallet_transporter::Config for Runtime {
@@ -466,6 +467,7 @@ impl pallet_transporter::Config for Runtime {
     type AccountIdConverter = domain_runtime_primitives::AccountIdConverter;
     type WeightInfo = pallet_transporter::weights::SubstrateWeight<Runtime>;
     type SkipBalanceTransferChecks = ();
+    type MinimumTransfer = MinimumTransfer;
 }
 
 impl pallet_domain_id::Config for Runtime {}

domains/test/runtime/evm/src/lib.rs

@@ -643,6 +643,7 @@ where
 
 parameter_types! {
     pub const TransporterEndpointId: EndpointId = 1;
+    pub const MinimumTransfer: Balance = 1;
 }
 
 impl pallet_transporter::Config for Runtime {
@@ -654,6 +655,7 @@ impl pallet_transporter::Config for Runtime {
     type AccountIdConverter = domain_runtime_primitives::AccountId20Converter;
     type WeightInfo = pallet_transporter::weights::SubstrateWeight<Runtime>;
     type SkipBalanceTransferChecks = ();
+    type MinimumTransfer = MinimumTransfer;
 }
 
 impl pallet_evm_chain_id::Config for Runtime {}

test/subspace-test-runtime/src/lib.rs

@@ -751,6 +751,7 @@ where
 
 parameter_types! {
     pub const TransporterEndpointId: EndpointId = 1;
+    pub const MinimumTransfer: Balance = 1;
 }
 
 impl pallet_transporter::Config for Runtime {
@@ -762,6 +763,7 @@ impl pallet_transporter::Config for Runtime {
     type AccountIdConverter = AccountIdConverter;
     type WeightInfo = pallet_transporter::weights::SubstrateWeight<Runtime>;
     type SkipBalanceTransferChecks = ();
+    type MinimumTransfer = MinimumTransfer;
 }
 
 parameter_types! {