feat: filter transfer share destinations using allowTransferShares flag

Extract shared helper and use allowTransferShares from smart_contracts.json to control destination contract eligibility in transfer rights form.

Author: sallymoc

src/app/assets/assets.component.ts

@@ -23,7 +23,7 @@ import { shortenAddress } from '../utils/address.utils';
 import { ExplorerUrlHelper } from '../services/explorer-url.helper';
 import { QubicStaticService } from '../services/apis/static/qubic-static.service';
 import { StaticSmartContract } from '../services/apis/static/qubic-static.model';
-import { ASSET_TRANSFER_FEE, TRANSFER_SHARE_MANAGEMENT_RIGHTS_PROCEDURE } from '../constants/qubic.constants';
+import { ASSET_TRANSFER_FEE, supportsTransferShareRights } from '../constants/qubic.constants';
 
 // Interfaces for asset grouping
 interface GroupedAsset {
@@ -686,13 +686,8 @@ export class AssetsComponent implements OnInit, OnDestroy {
       const contract = this.smartContractsMap.get(mc.contractIndex);
       if (!contract) return false;
 
-      // Dynamically check if contract has the transfer rights procedure
-      const hasProcedure = contract.procedures.some(
-        p => p.name === TRANSFER_SHARE_MANAGEMENT_RIGHTS_PROCEDURE
-      );
-
-      // Must have procedure and positive balance
-      return hasProcedure && mc.asset.ownedAmount > 0;
+      // Must support transfer rights and have positive balance
+      return supportsTransferShareRights(contract) && mc.asset.ownedAmount > 0;
     });
   }
 

src/app/assets/transfer-rights/transfer-rights.component.ts

@@ -25,7 +25,7 @@ import { PublicKey } from '@qubic-lib/qubic-ts-library/dist/qubic-types/PublicKe
 import { DynamicPayload } from '@qubic-lib/qubic-ts-library/dist/qubic-types/DynamicPayload';
 
 import { shortenAddress } from '../../utils/address.utils';
-import { TRANSFER_SHARE_MANAGEMENT_RIGHTS_PROCEDURE } from '../../constants/qubic.constants';
+import { TRANSFER_SHARE_MANAGEMENT_RIGHTS_PROCEDURE, supportsTransferShareRights } from '../../constants/qubic.constants';
 
 /**
  * Interface for contracts that can manage assets
@@ -373,8 +373,10 @@ export class TransferRightsComponent implements OnInit, OnDestroy {
   private buildDestinationContractOptions(): void {
     const contracts: ManagingContractOption[] = [];
 
-    // Dynamically find ALL contracts that support the transfer rights procedure
+    // Find contracts that support transfer share rights
     for (const [contractIndex, contract] of this.smartContractsMap.entries()) {
+      if (!supportsTransferShareRights(contract)) continue;
+
       const procedure = this.findTransferRightsProcedure(contract);
 
       if (procedure) {

src/app/constants/qubic.constants.ts

@@ -28,3 +28,12 @@ export const ASSET_TRANSFER_FEE = QubicDefinitions.QX_TRANSFER_ASSET_FEE;
  * Used to dynamically find this procedure in smart contracts JSON
  */
 export const TRANSFER_SHARE_MANAGEMENT_RIGHTS_PROCEDURE = 'Transfer Share Management Rights';
+
+/**
+ * Check if a smart contract supports transfer share management rights.
+ * Requires both the allowTransferShares flag and the procedure to be present.
+ */
+export function supportsTransferShareRights(contract: { allowTransferShares?: boolean; procedures: { name: string }[] }): boolean {
+  return !!contract.allowTransferShares &&
+    contract.procedures.some(p => p.name.toLowerCase() === TRANSFER_SHARE_MANAGEMENT_RIGHTS_PROCEDURE.toLowerCase());
+}

src/app/services/apis/static/qubic-static.model.ts

@@ -18,6 +18,7 @@ export interface StaticSmartContract {
   address: string;
   procedures: SmartContractProcedure[];
   website?: string;
+  allowTransferShares?: boolean;
 }
 
 export interface GetSmartContractsResponse {