feat(support error from app): support throw the error message form the app

Author: Littleor

src/provider.ts

@@ -277,8 +277,10 @@ export class Provider implements IProvider {
             this
           )
         } catch (e) {
-          console.error('[AnyWeb] Error to sendTransaction', e)
-          return e
+          throw new ProviderRpcError(
+            ProviderErrorCode.SendTransactionError,
+            'Error to sendTransaction: ' + e
+          )
         }
       case 'anyweb_importAccount':
         try {
@@ -293,8 +295,10 @@ export class Provider implements IProvider {
             this
           )
         } catch (e) {
-          console.error('[AnyWeb] Error to import Address', e)
-          return e
+          throw new ProviderRpcError(
+            ProviderErrorCode.ImportAddressError,
+            'Error to import Address: ' + e
+          )
         }
       case 'anyweb_version':
         return config.version

src/utils/common.ts

@@ -367,6 +367,9 @@ export enum ProviderErrorCode {
   ChainDisconnected = 4901,
   SDKNotReady = 5000,
   ParamsError = 6000,
+  RequestError = 7000,
+  SendTransactionError = 7001,
+  ImportAddressError = 7002,
 }
 
 export class ProviderRpcError extends Error implements IProviderRpcError {