chore: rename checkTransfer to checkSettle

The following breaking changes are from earlier commits

BREAKING CHANGE:
- Transfers namespace changes to Settlements
- `canTransfer` renamed to `canSettle`
- `areFrozen` renamed to `isFrozen`
- `transfers.freeze()`, `transfers.unfreeze()` and `transfers.isFrozen()` moved to `securityToken.freeze()`, `securityToken.unfreeze()` and `securityToken.isFrozen()`
- `checkTransfer()` renamed to `checkSettle()`

src/api/entities/SecurityToken/Compliance/Requirements.ts

@@ -144,7 +144,7 @@ export class Requirements extends Namespace<SecurityToken> {
    * @param args.from - sender Identity (optional, defaults to the current Identity)
    * @param args.to - receiver Identity
    */
-  public async checkTransfer(args: {
+  public async checkSettle(args: {
     from?: string | Identity;
     to: string | Identity;
   }): Promise<RequirementCompliance> {

src/api/entities/SecurityToken/Compliance/__tests__/Requirements.ts

@@ -339,7 +339,7 @@ describe('Requirements class', () => {
     });
   });
 
-  describe('method: checkTransfer', () => {
+  describe('method: checkSettle', () => {
     let context: Mocked<Context>;
     let token: SecurityToken;
     let requirements: Requirements;
@@ -388,7 +388,7 @@ describe('Requirements class', () => {
       sinon.restore();
     });
 
-    test('checkTransfer should return the current requirement compliance and whether the transfer complies', async () => {
+    test('checkSettle should return the current requirement compliance and whether the transfer complies', async () => {
       const rawResponse = ('response' as unknown) as AssetComplianceResult;
 
       dsMockUtils
@@ -400,12 +400,12 @@ describe('Requirements class', () => {
 
       assetComplianceResultToRequirementComplianceStub.withArgs(rawResponse).returns(fakeResult);
 
-      const result = await requirements.checkTransfer({ to: toDid });
+      const result = await requirements.checkSettle({ to: toDid });
 
       expect(result).toEqual(fakeResult);
     });
 
-    test('checkTransfer should return the current requirement compliance and whether the transfer complies with another Identity', async () => {
+    test('checkSettle should return the current requirement compliance and whether the transfer complies with another Identity', async () => {
       const rawResponse = ('response' as unknown) as AssetComplianceResult;
 
       dsMockUtils
@@ -417,7 +417,7 @@ describe('Requirements class', () => {
 
       assetComplianceResultToRequirementComplianceStub.withArgs(rawResponse).returns(fakeResult);
 
-      const result = await requirements.checkTransfer({ from: fromDid, to: toDid });
+      const result = await requirements.checkSettle({ from: fromDid, to: toDid });
 
       expect(result).toBe(fakeResult);
     });