feature/1110 abstract connected wallet operations (#1166)

- **refactor: refactor DID module types and move to controller package**
- **refactor: move controller creation and resolution logic to keeper**
- **refactor: update imports to reflect controller package move**
- **refactor: update protobuf definitions for DID module**
- **docs: update proto README to reflect changes**
- **refactor: move hway to gateway, update node modules, and refactor
pkl generation**
- **build: update pkl-gen task to use new pkl file paths**
- **refactor: refactor DWN WASM build and deployment process**
- **refactor: refactor DID controller implementation to use
account-based storage**
- **refactor: move DID controller interface to base file and update
implementation**
- **chore: migrate to google protobuf**
- **feat: Add v0.52.0 Interfaces for Acc Abstraction**
- **refactor: replace public_key with public_key_hex in Assertion
message**
- **refactor: remove unused PubKey, JSONWebKey, and RawKey message types
and related code**

pkg/core/transaction/service.go

@@ -0,0 +1,25 @@
+package transaction
+
+import "context"
+
+// ExecMode defines the execution mode
+type ExecMode uint8
+
+// All possible execution modes.
+// For backwards compatibility and easier casting, the exec mode values must be the same as in cosmos/cosmos-sdk/types package.
+const (
+	ExecModeCheck ExecMode = iota
+	ExecModeReCheck
+	ExecModeSimulate
+	_
+	_
+	_
+	_
+	ExecModeFinalize
+)
+
+// Service creates a transaction service.
+type Service interface {
+	// ExecMode returns the current execution mode.
+	ExecMode(ctx context.Context) ExecMode
+}