From f35c36d580772270f63803a977bb29eabe44f892 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Wed, 13 Nov 2024 12:00:58 +0100
Subject: [PATCH 01/13] docs init

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+init
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From 9b4387c97c8813303ae0f6fe80c24784a12232e4 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Wed, 13 Nov 2024 14:08:05 +0100
Subject: [PATCH 02/13] added first call

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 docs/service-layer/README.md              |  98 +++++++++++++++++++++-
 docs/service-layer/event-architecture.png | Bin 0 -> 23245 bytes
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 create mode 100644 docs/service-layer/event-architecture.png

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
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--- a/docs/service-layer/README.md
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-init
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+This document outlines the communication between frontend and the service layer. The frontend calls methods inside the service layer and the service layer replies using events.
+
+# Index
+
+- [Service layer description](#Service-Layer-Description)
+- [Code examples](#Code-examples)
+- [Alice registers with mediator](#Alice-registers-with-mediator)
+- [Bob adds contact](#Bob-adds-contact)
+- [Bob sends a message routed via mediator](#Bob-sends-router-message)
+- [Alice checks status requests](#Alice-checks-messages)
+- [Other event channels](#Other-events)
+
+
+
+# Service layer description
+
+The service layer aims to organize the services. A service in this context would be the resolution of a credential offer, a request for a credential issuance or an event to interact with the wallet such as the deletion of a credential.
+
+![Event architecture](./event-architecture.png 'Event architecture')
+
+Benefits of this architecture:
+
+- **Improved security by decoupling components.** The frontend layer doesn't has access to the business logic, ensuring a clear separation between different parts of the system for improved security.
+
+- **Flexibility.** We could integrate different frontends into the engine, allowing for a versatile and adaptable architecture that can accommodate various user interfaces or requirements.
+
+- **Performance and scalability.** Asynchronicity is at the core of all communication, which means the system can handle requests without waiting for responses. This approach improves the overall performance and scalability of the system.
+
+# Code examples
+
+On the service layer side, there is an instantiation of event methods here:
+
+- [OID4VCIService.ts](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/libs/oid4vc/src/lib/OID4VCIService.ts#L24)
+
+- [OID4VCService.ts](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/libs/oid4vc/src/lib/OID4VCService.ts#L10)
+
+- [OID4VPService.ts](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/libs/oid4vc/src/lib/OID4VPService.ts#L14)
+
+On the front end layer, an example interacting with the method: OID4VCIService.retrieveCredentialHeaders() can be found here:
+
+- [Credentials.tsx](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/apps/wallet-react/src/pages/credentials/Credentials.tsx#L29)
+
+# Alice-registers-with-mediator
+
+This flow currently starts with the scan of a QR code and it is composed of one call:
+
+- [1. Process mediator OOB](#ProcessMediatorOOB)
+- [2. Request credential issuance](#requestCredentialIssuance)
+
+## ProcessMediatorOOB
+
+The frontend will send the credential offer string resulting from the QR code scan. The service layer will reply with an acknoledgment or an error. 
+
+![QR Scan](./qr-scan.png 'QR Scan')
+
+### Example input:
+
+```json
+{
+    "oob": "https://mediator.rootsid.cloud?_oob=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"
+}
+```
+
+### Example response:
+
+```json
+{
+  {
+  "status": "false",
+  "message": "Error, format not valid",
+}
+```
+
+```json
+{
+  {
+  "status": "true",
+  "message": "Success",
+}
+```
+
+### Event channel name:
+
+```bash
+ProcessMediatorOOB
+```
+
+
+# Others
+
+(... to come)
+
+# Other events
+
+There are also other events happening inside the app, like the retrieval of already stored credentials, deletion of them, etc...
+
+A complete description of these calls can be found [here.](./other-events/other-events.md)
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From 7c39b8e365ef402fc639e64d35dcfc6dd56885d4 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Thu, 14 Nov 2024 12:55:06 +0100
Subject: [PATCH 03/13] added docu info

---
 docs/service-layer/README.md       | 128 +++++++++++++++++++++++++++--
 docs/service-layer/other-events.md |  17 ++++
 2 files changed, 136 insertions(+), 9 deletions(-)
 create mode 100644 docs/service-layer/other-events.md

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
index 4d62a03..08b36f0 100644
--- a/docs/service-layer/README.md
+++ b/docs/service-layer/README.md
@@ -6,12 +6,10 @@ This document outlines the communication between frontend and the service layer.
 - [Code examples](#Code-examples)
 - [Alice registers with mediator](#Alice-registers-with-mediator)
 - [Bob adds contact](#Bob-adds-contact)
-- [Bob sends a message routed via mediator](#Bob-sends-router-message)
+- [Bob sends a message routed via mediator](#Bob-sends-a-message-routed-via-mediator)
 - [Alice checks status requests](#Alice-checks-messages)
 - [Other event channels](#Other-events)
 
-
-
 # Service layer description
 
 The service layer aims to organize the services. A service in this context would be the resolution of a credential offer, a request for a credential issuance or an event to interact with the wallet such as the deletion of a credential.
@@ -49,7 +47,7 @@ This flow currently starts with the scan of a QR code and it is composed of one
 
 ## ProcessMediatorOOB
 
-The frontend will send the credential offer string resulting from the QR code scan. The service layer will reply with an acknoledgment or an error. 
+The frontend will send the credential offer string resulting from the QR code scan. The service layer will reply with an acknoledgment or an error.
 
 ![QR Scan](./qr-scan.png 'QR Scan')
 
@@ -57,7 +55,7 @@ The frontend will send the credential offer string resulting from the QR code sc
 
 ```json
 {
-    "oob": "https://mediator.rootsid.cloud?_oob=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"
+  "oob": "https://mediator.rootsid.cloud?_oob=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"
 }
 ```
 
@@ -85,13 +83,125 @@ The frontend will send the credential offer string resulting from the QR code sc
 ProcessMediatorOOB
 ```
 
+## Bob adds contact
+
+The frontend will send the did:peer from a QR code scan or a string. The service layer will reply with an acknoledgment or an error.
+
+![QR Scan](./qr-scan.png 'QR Scan')
+
+### Example input:
+
+```json
+{
+  "peer_did": "did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA"
+}
+```
+
+### Example response:
+
+```json
+{
+  {
+  "status": "false",
+  "message": "Error, format not valid",
+}
+```
+
+```json
+{
+  {
+  "status": "true",
+  "message": "Success",
+}
+```
+
+### Event channel name:
+
+```bash
+StoreContact
+```
+
+## Bob sends a message routed via mediator
+
+The frontend will send the did:peer and the content from the message. The service layer will reply with an acknoledgment or an error.
+
+### Example input:
+
+```json
+{
+  "peer_did": "did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA",
+  "message": "Hey bob, hope you are doing fine. I miss you."
+}
+```
+
+### Example response:
+
+```json
+{
+  {
+  "status": "false",
+  "message": "Error, {}",
+}
+```
+
+```json
+{
+  {
+  "status": "true",
+  "message": "Success",
+}
+```
 
-# Others
+### Event channel name:
 
-(... to come)
+```bash
+RouteForwardMessages
+```
+
+## Alice checks status requests
+
+The frontend will check for new messages. Following an email like structure, the call will be triggered by the FE and not by an indepedneted job on the BE. Reasons:
+
+User-Driven Polling: In an email-like architecture, checking for new messages is often based on the user's activity—such as opening the chat app or manually refreshing. It’s efficient to trigger the status-request call only when the client is actively requesting it, rather than having a backend job that checks continuously for every user.
+
+Reduced Server Load: If a backend job is set up to check for new messages frequently, it could increase server load. Frontend-triggered requests help limit the number of status checks to just what’s necessary.
+
+Real-Time Experience: If you want to add real-time message notifications, a combination of frontend-triggered status-request checks and possibly WebSocket-based updates would allow for a more dynamic experience.
+
+### Example input:
+
+```json
+{
+  "trigger": "true"
+}
+```
+
+### Example response:
+
+```json
+{
+  {
+  "status": "false",
+  "message": "Error, {}",
+}
+```
+
+```json
+{
+  {
+  "status": "true",
+  "message": "Success",
+}
+```
+
+### Event channel name:
+
+```bash
+ReceiveMessages
+```
 
 # Other events
 
-There are also other events happening inside the app, like the retrieval of already stored credentials, deletion of them, etc...
+There are also other events happening inside the app, like the retrieval of already messages, deletion of them, etc...
 
-A complete description of these calls can be found [here.](./other-events/other-events.md)
\ No newline at end of file
+A complete description of these calls can be found [here.](./other-events.md)
diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
new file mode 100644
index 0000000..795cfc1
--- /dev/null
+++ b/docs/service-layer/other-events.md
@@ -0,0 +1,17 @@
+# Index
+
+- [Retrieve Messages](#Retrieve-Messages)
+- [Retrieve Message Headers](#Retrieve-Message-Headers)
+- [Delete Messages](#Delete-Messages)
+- [Retrieve DID](#Retrieve-DID)
+- [Delete Contact](#Delete-Contact)
+
+## Retrieve Messages
+
+## Retrieve Message Headers
+
+## Delete Messages
+
+## Retrieve DID
+
+## Delete Contact

From 4aefc578ea9dcc28bf5524a3add7bf3a0df6bf2b Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Mon, 18 Nov 2024 13:52:18 +0100
Subject: [PATCH 04/13] added last part of documentation

---
 docs/service-layer/README.md       |  57 ++++-----
 docs/service-layer/other-events.md | 189 +++++++++++++++++++++++++++--
 2 files changed, 203 insertions(+), 43 deletions(-)

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
index 08b36f0..c687775 100644
--- a/docs/service-layer/README.md
+++ b/docs/service-layer/README.md
@@ -1,30 +1,30 @@
-This document outlines the communication between frontend and the service layer. The frontend calls methods inside the service layer and the service layer replies using events.
+This document outlines the communication between the frontend and the service layer. The frontend calls methods inside the service layer and the service layer replies using events.
 
 # Index
 
-- [Service layer description](#Service-Layer-Description)
-- [Code examples](#Code-examples)
+- [Service layer overview](#Service-Layer-Overview)
+- [Event code examples](#Event-Code-examples)
 - [Alice registers with mediator](#Alice-registers-with-mediator)
 - [Bob adds contact](#Bob-adds-contact)
 - [Bob sends a message routed via mediator](#Bob-sends-a-message-routed-via-mediator)
 - [Alice checks status requests](#Alice-checks-messages)
 - [Other event channels](#Other-events)
 
-# Service layer description
+# Service layer overview
 
 The service layer aims to organize the services. A service in this context would be the resolution of a credential offer, a request for a credential issuance or an event to interact with the wallet such as the deletion of a credential.
 
-![Event architecture](./event-architecture.png 'Event architecture')
+![Event Architecture](./event-architecture.png 'Event architecture')
 
 Benefits of this architecture:
 
-- **Improved security by decoupling components.** The frontend layer doesn't has access to the business logic, ensuring a clear separation between different parts of the system for improved security.
+- **Improved security by decoupling components.** The frontend lacks access to business logic, enforcing strict separation for improved security.
 
 - **Flexibility.** We could integrate different frontends into the engine, allowing for a versatile and adaptable architecture that can accommodate various user interfaces or requirements.
 
 - **Performance and scalability.** Asynchronicity is at the core of all communication, which means the system can handle requests without waiting for responses. This approach improves the overall performance and scalability of the system.
 
-# Code examples
+# Event code examples
 
 On the service layer side, there is an instantiation of event methods here:
 
@@ -38,31 +38,28 @@ On the front end layer, an example interacting with the method: OID4VCIService.r
 
 - [Credentials.tsx](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/apps/wallet-react/src/pages/credentials/Credentials.tsx#L29)
 
-# Alice-registers-with-mediator
+# Alice registers with mediator
 
 This flow currently starts with the scan of a QR code and it is composed of one call:
 
-- [1. Process mediator OOB](#ProcessMediatorOOB)
-- [2. Request credential issuance](#requestCredentialIssuance)
+The backend will be in charge of the calls to the mediator and will only notify the frontend once the mediation coordination has been successful or it has failed. 
 
 ## ProcessMediatorOOB
 
 The frontend will send the credential offer string resulting from the QR code scan. The service layer will reply with an acknoledgment or an error.
 
-![QR Scan](./qr-scan.png 'QR Scan')
 
 ### Example input:
 
 ```json
-{
-  "oob": "https://mediator.rootsid.cloud?_oob=eyJ0eXBlIjoiaHR0cHM6Ly9kaWRjb21tLm9yZy9vdXQtb2YtYmFuZC8yLjAvaW52aXRhdGlvbiIsImlkIjoiNDM3MmIxODctMDk5Zi00MjYxLWFlZTctZjQwZWM5ZTg3Zjg3IiwiZnJvbSI6ImRpZDpwZWVyOjIuRXo2TFNtczU1NVloRnRobjFXVjhjaURCcFptODZoSzl0cDgzV29qSlVteFBHazFoWi5WejZNa21kQmpNeUI0VFM1VWJiUXc1NHN6bTh5dk1NZjFmdEdWMnNRVllBeGFlV2hFLlNleUpwWkNJNkltNWxkeTFwWkNJc0luUWlPaUprYlNJc0luTWlPaUpvZEhSd2N6b3ZMMjFsWkdsaGRHOXlMbkp2YjNSemFXUXVZMnh2ZFdRaUxDSmhJanBiSW1ScFpHTnZiVzB2ZGpJaVhYMCIsImJvZHkiOnsiZ29hbF9jb2RlIjoicmVxdWVzdC1tZWRpYXRlIiwiZ29hbCI6IlJlcXVlc3RNZWRpYXRlIiwibGFiZWwiOiJNZWRpYXRvciIsImFjY2VwdCI6WyJkaWRjb21tL3YyIl19fQ"
-}
+
+  ProcessMediatorOOB("https://mediator.rootsid.cloud?_oob=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")
+
 ```
 
 ### Example response:
 
 ```json
-{
   {
   "status": "false",
   "message": "Error, format not valid",
@@ -70,7 +67,6 @@ The frontend will send the credential offer string resulting from the QR code sc
 ```
 
 ```json
-{
   {
   "status": "true",
   "message": "Success",
@@ -87,20 +83,16 @@ ProcessMediatorOOB
 
 The frontend will send the did:peer from a QR code scan or a string. The service layer will reply with an acknoledgment or an error.
 
-![QR Scan](./qr-scan.png 'QR Scan')
-
 ### Example input:
 
 ```json
-{
-  "peer_did": "did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA"
-}
+StoreContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
+
 ```
 
 ### Example response:
 
 ```json
-{
   {
   "status": "false",
   "message": "Error, format not valid",
@@ -108,7 +100,6 @@ The frontend will send the did:peer from a QR code scan or a string. The service
 ```
 
 ```json
-{
   {
   "status": "true",
   "message": "Success",
@@ -128,16 +119,14 @@ The frontend will send the did:peer and the content from the message. The servic
 ### Example input:
 
 ```json
-{
-  "peer_did": "did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA",
-  "message": "Hey bob, hope you are doing fine. I miss you."
-}
+RouteForwardMessages(peer_did, message);
+example:
+RouteForwardMessages("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA", "Hey bob, hope you are doing fine. I miss you.");
 ```
 
 ### Example response:
 
 ```json
-{
   {
   "status": "false",
   "message": "Error, {}",
@@ -145,7 +134,6 @@ The frontend will send the did:peer and the content from the message. The servic
 ```
 
 ```json
-{
   {
   "status": "true",
   "message": "Success",
@@ -160,7 +148,7 @@ RouteForwardMessages
 
 ## Alice checks status requests
 
-The frontend will check for new messages. Following an email like structure, the call will be triggered by the FE and not by an indepedneted job on the BE. Reasons:
+The frontend will check for new messages. Following an email like architecture, the call will be triggered by the FE and not by an independent job on the BE. Reasons:
 
 User-Driven Polling: In an email-like architecture, checking for new messages is often based on the user's activity—such as opening the chat app or manually refreshing. It’s efficient to trigger the status-request call only when the client is actively requesting it, rather than having a backend job that checks continuously for every user.
 
@@ -171,15 +159,13 @@ Real-Time Experience: If you want to add real-time message notifications, a comb
 ### Example input:
 
 ```json
-{
-  "trigger": "true"
-}
+void
 ```
+This method receives no input.
 
 ### Example response:
 
 ```json
-{
   {
   "status": "false",
   "message": "Error, {}",
@@ -187,7 +173,6 @@ Real-Time Experience: If you want to add real-time message notifications, a comb
 ```
 
 ```json
-{
   {
   "status": "true",
   "message": "Success",
@@ -202,6 +187,6 @@ ReceiveMessages
 
 # Other events
 
-There are also other events happening inside the app, like the retrieval of already messages, deletion of them, etc...
+There are also other events happening inside the app, like the retrieval of already existing messages, deletion of them, etc...
 
 A complete description of these calls can be found [here.](./other-events.md)
diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index 795cfc1..f663b16 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -1,17 +1,192 @@
 # Index
 
-- [Retrieve Messages](#Retrieve-Messages)
-- [Retrieve Message Headers](#Retrieve-Message-Headers)
+- [Retrieve New Messages](#Retrieve-Messages)
 - [Delete Messages](#Delete-Messages)
 - [Retrieve DID](#Retrieve-DID)
 - [Delete Contact](#Delete-Contact)
+- [Register Contact](#Register-Contact)
 
-## Retrieve Messages
 
-## Retrieve Message Headers
 
-## Delete Messages
+# Retrieve New Messages
 
-## Retrieve DID
+This event will bring new messages to the FE, which will be stored in the local storage. There will be a limit on cached messages. The limit will be per conversation. Once there are new messages that exceed the pile, we will delete old ones.  
 
-## Delete Contact
+## Example logic
+
+```json
+ if (cachedMessages.length > maxMessages) {
+        const prunedMessages = cachedMessages.slice(-maxMessages);
+        localStorage.setItem(key, JSON.stringify(prunedMessages));
+    }
+```
+## Example input:
+
+```json
+void
+```
+
+This method receives no input.
+
+## Example response:
+
+```json
+{
+  "status": "success",
+  "payload": [
+    {
+      "did": "did:peer(..)",
+      "contact": "Alice",
+      "message": {"Hey Peter, bring bread."},
+      "id": 3
+    },
+    {
+      "did": "did:peer(..)",
+      "contact": "Bob",
+      "message": {"Hey Bob, bring butter."},
+      "id": 2
+    },
+    {
+      "did": "did:peer(..)",
+      "contact": "Hugo",
+      "message": {"Hey Jan, bring Salt."},
+      "id": 1
+    }
+  ]
+}
+```
+
+## Event channel name:
+
+```bash
+RetrieveMessages
+```
+
+# Delete Messages
+
+This event will delete specific messages.
+
+
+## Example input:
+```json
+DeleteMessages(did, id);
+DeleteMessages("did:peer", 3);
+```
+
+## Example response:
+
+```json
+  {
+  "status": "false",
+  "message": "Error, format not valid",
+}
+```
+
+```json
+  {
+  "status": "true",
+  "message": "Success",
+}
+```
+
+## Event channel name:
+
+```bash
+DeleteMessages
+```
+
+# Retrieve DIDWithMediator
+
+This event will retrieve the DID where the mediator will receive messages for the user.
+
+
+## Example input:
+```json
+RetrieveDIDWithMediator()
+```
+
+## Example response:
+
+```json
+{
+  "did_for_mediation": "did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA",
+  "status": "true",
+  "message": "Success",
+}
+```
+
+```json
+  {
+  "status": "false",
+  "message": "error",
+}
+```
+
+## Event channel name:
+
+```bash
+RetrieveDIDWithMediator
+```
+
+# Delete Contact
+
+This event will delete a registered contact.
+
+
+## Example input:
+```json
+DeleteContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
+```
+
+## Example response:
+
+```json
+{
+  "status": "true",
+  "message": "Success",
+}
+```
+
+```json
+  {
+  "status": "false",
+  "message": "error",
+}
+```
+
+## Event channel name:
+
+```bash
+DeleteContact
+```
+# Register contact
+
+This event will add a new contact.
+
+
+## Example input:
+```json
+AddContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
+```
+
+## Example response:
+
+```json
+{
+  "status": "true",
+  "message": "Success",
+}
+```
+
+```json
+  {
+  "status": "false",
+  "message": "error",
+}
+```
+
+## Event channel name:
+
+```bash
+AddContact
+```
\ No newline at end of file

From 4dbbda714a5e99734d6ff701f810228696844010 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Mon, 18 Nov 2024 13:56:45 +0100
Subject: [PATCH 05/13] fixed format

---
 docs/service-layer/README.md       | 36 ++++++++++++-------------
 docs/service-layer/other-events.md | 42 +++++++++++++++---------------
 2 files changed, 39 insertions(+), 39 deletions(-)

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
index c687775..4224d43 100644
--- a/docs/service-layer/README.md
+++ b/docs/service-layer/README.md
@@ -42,13 +42,12 @@ On the front end layer, an example interacting with the method: OID4VCIService.r
 
 This flow currently starts with the scan of a QR code and it is composed of one call:
 
-The backend will be in charge of the calls to the mediator and will only notify the frontend once the mediation coordination has been successful or it has failed. 
+The backend will be in charge of the calls to the mediator and will only notify the frontend once the mediation coordination has been successful or it has failed.
 
 ## ProcessMediatorOOB
 
 The frontend will send the credential offer string resulting from the QR code scan. The service layer will reply with an acknoledgment or an error.
 
-
 ### Example input:
 
 ```json
@@ -60,16 +59,16 @@ The frontend will send the credential offer string resulting from the QR code sc
 ### Example response:
 
 ```json
-  {
+{
   "status": "false",
-  "message": "Error, format not valid",
+  "message": "Error, format not valid"
 }
 ```
 
 ```json
-  {
+{
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
@@ -93,16 +92,16 @@ StoreContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6Mk
 ### Example response:
 
 ```json
-  {
+{
   "status": "false",
-  "message": "Error, format not valid",
+  "message": "Error, format not valid"
 }
 ```
 
 ```json
-  {
+{
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
@@ -127,16 +126,16 @@ RouteForwardMessages("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93
 ### Example response:
 
 ```json
-  {
+{
   "status": "false",
-  "message": "Error, {}",
+  "message": "Error, {}"
 }
 ```
 
 ```json
-  {
+{
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
@@ -161,21 +160,22 @@ Real-Time Experience: If you want to add real-time message notifications, a comb
 ```json
 void
 ```
+
 This method receives no input.
 
 ### Example response:
 
 ```json
-  {
+{
   "status": "false",
-  "message": "Error, {}",
+  "message": "Error, {}"
 }
 ```
 
 ```json
-  {
+{
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index f663b16..a95232e 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -6,11 +6,9 @@
 - [Delete Contact](#Delete-Contact)
 - [Register Contact](#Register-Contact)
 
-
-
 # Retrieve New Messages
 
-This event will bring new messages to the FE, which will be stored in the local storage. There will be a limit on cached messages. The limit will be per conversation. Once there are new messages that exceed the pile, we will delete old ones.  
+This event will bring new messages to the FE, which will be stored in the local storage. There will be a limit on cached messages. The limit will be per conversation. Once there are new messages that exceed the pile, we will delete old ones.
 
 ## Example logic
 
@@ -20,6 +18,7 @@ This event will bring new messages to the FE, which will be stored in the local
         localStorage.setItem(key, JSON.stringify(prunedMessages));
     }
 ```
+
 ## Example input:
 
 ```json
@@ -66,8 +65,8 @@ RetrieveMessages
 
 This event will delete specific messages.
 
-
 ## Example input:
+
 ```json
 DeleteMessages(did, id);
 DeleteMessages("did:peer", 3);
@@ -76,16 +75,16 @@ DeleteMessages("did:peer", 3);
 ## Example response:
 
 ```json
-  {
+{
   "status": "false",
-  "message": "Error, format not valid",
+  "message": "Error, format not valid"
 }
 ```
 
 ```json
-  {
+{
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
@@ -99,8 +98,8 @@ DeleteMessages
 
 This event will retrieve the DID where the mediator will receive messages for the user.
 
-
 ## Example input:
+
 ```json
 RetrieveDIDWithMediator()
 ```
@@ -111,14 +110,14 @@ RetrieveDIDWithMediator()
 {
   "did_for_mediation": "did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA",
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
 ```json
-  {
+{
   "status": "false",
-  "message": "error",
+  "message": "error"
 }
 ```
 
@@ -132,8 +131,8 @@ RetrieveDIDWithMediator
 
 This event will delete a registered contact.
 
-
 ## Example input:
+
 ```json
 DeleteContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
 ```
@@ -143,14 +142,14 @@ DeleteContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6M
 ```json
 {
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
 ```json
-  {
+{
   "status": "false",
-  "message": "error",
+  "message": "error"
 }
 ```
 
@@ -159,12 +158,13 @@ DeleteContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6M
 ```bash
 DeleteContact
 ```
+
 # Register contact
 
 This event will add a new contact.
 
-
 ## Example input:
+
 ```json
 AddContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
 ```
@@ -174,14 +174,14 @@ AddContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6Mkrn
 ```json
 {
   "status": "true",
-  "message": "Success",
+  "message": "Success"
 }
 ```
 
 ```json
-  {
+{
   "status": "false",
-  "message": "error",
+  "message": "error"
 }
 ```
 
@@ -189,4 +189,4 @@ AddContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6Mkrn
 
 ```bash
 AddContact
-```
\ No newline at end of file
+```

From 5aee6138e1f54119a657e6edbbe917d4de6d8eba Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Mon, 18 Nov 2024 14:09:34 +0100
Subject: [PATCH 06/13] fixed md format

---
 docs/service-layer/README.md       |  8 ++++----
 docs/service-layer/other-events.md | 10 +++++-----
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
index 4224d43..7436c11 100644
--- a/docs/service-layer/README.md
+++ b/docs/service-layer/README.md
@@ -50,7 +50,7 @@ The frontend will send the credential offer string resulting from the QR code sc
 
 ### Example input:
 
-```json
+```javascript
 
   ProcessMediatorOOB("https://mediator.rootsid.cloud?_oob=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")
 
@@ -84,7 +84,7 @@ The frontend will send the did:peer from a QR code scan or a string. The service
 
 ### Example input:
 
-```json
+```javascript
 StoreContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
 
 ```
@@ -117,9 +117,9 @@ The frontend will send the did:peer and the content from the message. The servic
 
 ### Example input:
 
-```json
+```javascript
 RouteForwardMessages(peer_did, message);
-example:
+// example:
 RouteForwardMessages("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA", "Hey bob, hope you are doing fine. I miss you.");
 ```
 
diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index a95232e..5a5abff 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -12,7 +12,7 @@ This event will bring new messages to the FE, which will be stored in the local
 
 ## Example logic
 
-```json
+```javascript
  if (cachedMessages.length > maxMessages) {
         const prunedMessages = cachedMessages.slice(-maxMessages);
         localStorage.setItem(key, JSON.stringify(prunedMessages));
@@ -67,7 +67,7 @@ This event will delete specific messages.
 
 ## Example input:
 
-```json
+```javascript
 DeleteMessages(did, id);
 DeleteMessages("did:peer", 3);
 ```
@@ -100,7 +100,7 @@ This event will retrieve the DID where the mediator will receive messages for th
 
 ## Example input:
 
-```json
+```javascript
 RetrieveDIDWithMediator()
 ```
 
@@ -133,7 +133,7 @@ This event will delete a registered contact.
 
 ## Example input:
 
-```json
+```javascript
 DeleteContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
 ```
 
@@ -165,7 +165,7 @@ This event will add a new contact.
 
 ## Example input:
 
-```json
+```javascript
 AddContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
 ```
 

From a97f0655780e356d9d0a9cc2c8da8441f9a166aa Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Mon, 18 Nov 2024 14:11:35 +0100
Subject: [PATCH 07/13] fixed md format

---
 docs/service-layer/README.md       | 4 ----
 docs/service-layer/other-events.md | 4 ----
 2 files changed, 8 deletions(-)

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
index 7436c11..ceb7b94 100644
--- a/docs/service-layer/README.md
+++ b/docs/service-layer/README.md
@@ -157,10 +157,6 @@ Real-Time Experience: If you want to add real-time message notifications, a comb
 
 ### Example input:
 
-```json
-void
-```
-
 This method receives no input.
 
 ### Example response:
diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index 5a5abff..a5c5d84 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -21,10 +21,6 @@ This event will bring new messages to the FE, which will be stored in the local
 
 ## Example input:
 
-```json
-void
-```
-
 This method receives no input.
 
 ## Example response:

From 849f5fd5e09d5a100d7cb6c4678c278ca2ea1c11 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Mon, 18 Nov 2024 14:13:08 +0100
Subject: [PATCH 08/13] fixed format

---
 docs/service-layer/README.md       | 16 ++++++++++------
 docs/service-layer/other-events.md | 20 ++++++++++++--------
 2 files changed, 22 insertions(+), 14 deletions(-)

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
index ceb7b94..93279dd 100644
--- a/docs/service-layer/README.md
+++ b/docs/service-layer/README.md
@@ -51,9 +51,9 @@ The frontend will send the credential offer string resulting from the QR code sc
 ### Example input:
 
 ```javascript
-
-  ProcessMediatorOOB("https://mediator.rootsid.cloud?_oob=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")
-
+ProcessMediatorOOB(
+  'https://mediator.rootsid.cloud?_oob=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',
+);
 ```
 
 ### Example response:
@@ -85,8 +85,9 @@ The frontend will send the did:peer from a QR code scan or a string. The service
 ### Example input:
 
 ```javascript
-StoreContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
-
+StoreContact(
+  'did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA',
+);
 ```
 
 ### Example response:
@@ -120,7 +121,10 @@ The frontend will send the did:peer and the content from the message. The servic
 ```javascript
 RouteForwardMessages(peer_did, message);
 // example:
-RouteForwardMessages("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA", "Hey bob, hope you are doing fine. I miss you.");
+RouteForwardMessages(
+  'did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA',
+  'Hey bob, hope you are doing fine. I miss you.',
+);
 ```
 
 ### Example response:
diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index a5c5d84..5f0f0ba 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -13,10 +13,10 @@ This event will bring new messages to the FE, which will be stored in the local
 ## Example logic
 
 ```javascript
- if (cachedMessages.length > maxMessages) {
-        const prunedMessages = cachedMessages.slice(-maxMessages);
-        localStorage.setItem(key, JSON.stringify(prunedMessages));
-    }
+if (cachedMessages.length > maxMessages) {
+  const prunedMessages = cachedMessages.slice(-maxMessages);
+  localStorage.setItem(key, JSON.stringify(prunedMessages));
+}
 ```
 
 ## Example input:
@@ -65,7 +65,7 @@ This event will delete specific messages.
 
 ```javascript
 DeleteMessages(did, id);
-DeleteMessages("did:peer", 3);
+DeleteMessages('did:peer', 3);
 ```
 
 ## Example response:
@@ -97,7 +97,7 @@ This event will retrieve the DID where the mediator will receive messages for th
 ## Example input:
 
 ```javascript
-RetrieveDIDWithMediator()
+RetrieveDIDWithMediator();
 ```
 
 ## Example response:
@@ -130,7 +130,9 @@ This event will delete a registered contact.
 ## Example input:
 
 ```javascript
-DeleteContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
+DeleteContact(
+  'did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA',
+);
 ```
 
 ## Example response:
@@ -162,7 +164,9 @@ This event will add a new contact.
 ## Example input:
 
 ```javascript
-AddContact("did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA")
+AddContact(
+  'did:peer:2.Ez6LSiopL5aJjRbTu8ZB8uinhodhP7GiSix9DFG5rr2Xp93mg.Vz6MkrnJCtTmSuhoVXUSS8CxZkesWuwHaeHbyp7NT3Z3c9ZoA',
+);
 ```
 
 ## Example response:

From 4fd8c49b6841f294591d6ab0588dea26fb6057f8 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Tue, 19 Nov 2024 13:57:20 +0100
Subject: [PATCH 09/13] fixed MR comments

---
 docs/service-layer/README.md       | 21 ++++-----------------
 docs/service-layer/other-events.md |  8 +++++---
 2 files changed, 9 insertions(+), 20 deletions(-)

diff --git a/docs/service-layer/README.md b/docs/service-layer/README.md
index 93279dd..be3b924 100644
--- a/docs/service-layer/README.md
+++ b/docs/service-layer/README.md
@@ -3,7 +3,6 @@ This document outlines the communication between the frontend and the service la
 # Index
 
 - [Service layer overview](#Service-Layer-Overview)
-- [Event code examples](#Event-Code-examples)
 - [Alice registers with mediator](#Alice-registers-with-mediator)
 - [Bob adds contact](#Bob-adds-contact)
 - [Bob sends a message routed via mediator](#Bob-sends-a-message-routed-via-mediator)
@@ -12,7 +11,7 @@ This document outlines the communication between the frontend and the service la
 
 # Service layer overview
 
-The service layer aims to organize the services. A service in this context would be the resolution of a credential offer, a request for a credential issuance or an event to interact with the wallet such as the deletion of a credential.
+The service layer aims to organize asynchronous methods and events. A service in this context would be the mediator coordination dance, adding a new contact or sending a didcomm message.
 
 ![Event Architecture](./event-architecture.png 'Event architecture')
 
@@ -24,20 +23,6 @@ Benefits of this architecture:
 
 - **Performance and scalability.** Asynchronicity is at the core of all communication, which means the system can handle requests without waiting for responses. This approach improves the overall performance and scalability of the system.
 
-# Event code examples
-
-On the service layer side, there is an instantiation of event methods here:
-
-- [OID4VCIService.ts](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/libs/oid4vc/src/lib/OID4VCIService.ts#L24)
-
-- [OID4VCService.ts](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/libs/oid4vc/src/lib/OID4VCService.ts#L10)
-
-- [OID4VPService.ts](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/libs/oid4vc/src/lib/OID4VPService.ts#L14)
-
-On the front end layer, an example interacting with the method: OID4VCIService.retrieveCredentialHeaders() can be found here:
-
-- [Credentials.tsx](https://github.com/adorsys/eudiw-app/blob/86ef72c949f0a7d00011349051fdb8d58d3f22e8/apps/wallet-react/src/pages/credentials/Credentials.tsx#L29)
-
 # Alice registers with mediator
 
 This flow currently starts with the scan of a QR code and it is composed of one call:
@@ -161,7 +146,9 @@ Real-Time Experience: If you want to add real-time message notifications, a comb
 
 ### Example input:
 
-This method receives no input.
+```javascript
+ReceiveMessages();
+```
 
 ### Example response:
 
diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index 5f0f0ba..576cf2e 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -21,7 +21,9 @@ if (cachedMessages.length > maxMessages) {
 
 ## Example input:
 
-This method receives no input.
+```javascript
+RetrieveMessages();
+```
 
 ## Example response:
 
@@ -64,8 +66,8 @@ This event will delete specific messages.
 ## Example input:
 
 ```javascript
-DeleteMessages(did, id);
-DeleteMessages('did:peer', 3);
+DeleteMessages(messageId);
+DeleteMessages(3);
 ```
 
 ## Example response:

From 06a2964416d6d78acd5803c48f3dc36d8a45305c Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Tue, 26 Nov 2024 12:14:30 +0100
Subject: [PATCH 10/13] improved message retrieval

---
 docs/service-layer/other-events.md | 119 ++++++++++++++++++++++++++---
 1 file changed, 108 insertions(+), 11 deletions(-)

diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index 576cf2e..07c66fd 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -1,6 +1,6 @@
 # Index
 
-- [Retrieve New Messages](#Retrieve-Messages)
+- [Retrieve Messages](#Retrieve-Messages)
 - [Delete Messages](#Delete-Messages)
 - [Retrieve DID](#Retrieve-DID)
 - [Delete Contact](#Delete-Contact)
@@ -8,24 +8,72 @@
 
 # Retrieve New Messages
 
-This event will bring new messages to the FE, which will be stored in the local storage. There will be a limit on cached messages. The limit will be per conversation. Once there are new messages that exceed the pile, we will delete old ones.
+The retrieval of messages has the following calls:
 
-## Example logic
+1) Initial Sync (or Cache Miss Detection and Full Sync)
+2) Periodic Retrieve (Incremental Sync)
+3) User Scrolls Up - Polling (On-Demand Fetching for Older Messages)
+
+Description.- Messages on the frontend will have a pile structure based on dates. Meaning, the frontend will keep the latest messages and will drop older ones. Call number 1 will populate this pile. This call will be called when the app is initialized or if errors are detected. Imagine this pile populates the messages view of a messaging app.
+
+Call number 2 will bring new messages to the previously mentioned pile. 
+
+Call number 3 will bring a paginated set of messages for older conversations. The user will select a specific conversation and this call will be triggered to request older messages. 
+
+This approach aims to reduce the calls load yet providing a consistent and lightway approach to handle messages communication between the FE and BE. 
+
+## Initial Sync (or Cache Miss Detection and Full Sync)
+
+### Example input:
 
 ```javascript
-if (cachedMessages.length > maxMessages) {
-  const prunedMessages = cachedMessages.slice(-maxMessages);
-  localStorage.setItem(key, JSON.stringify(prunedMessages));
+RetrieveMessagesInitial();
+```
+
+### Example response:
+
+```json
+{
+  "status": "success",
+  "payload": [
+    {
+      "did": "did:peer(..)",
+      "contact": "Alice",
+      "message": {"Hey Peter, bring bread."},
+      "id": 3
+    },
+    {
+      "did": "did:peer(..)",
+      "contact": "Bob",
+      "message": {"Hey Bob, bring butter."},
+      "id": 2
+    },
+    {
+      "did": "did:peer(..)",
+      "contact": "Hugo",
+      "message": {"Hey Jan, bring Salt."},
+      "id": 1
+    }
+  ]
 }
 ```
 
-## Example input:
+### Event channel name:
+```bash
+RetrieveMessagesInitial
+```
+
+## Periodic Retrieve (Incremental Sync)
+
+This event will retrieve new messages that recently came from the  mediator.
+
+### Example input:
 
 ```javascript
-RetrieveMessages();
+RetrieveMessagesPeriodic(since=2024-11-25T12:00:00Z);
 ```
 
-## Example response:
+### Example response:
 
 ```json
 {
@@ -53,10 +101,52 @@ RetrieveMessages();
 }
 ```
 
-## Event channel name:
+### Event channel name:
+```bash
+RetrieveMessagesPeriodic
+```
+
+## User Scrolls Up - Polling (On-Demand Fetching for Older Messages)
+
+This event will retrieve old messages under user demand.
+
+### Example input:
+
+```javascript
+RetrieveMessagesPaginated(did, date, pollSize);
+```
+
+### Example response:
+
+```json
+{
+  "status": "success",
+  "payload": [
+    {
+      "did": "did:peer(..)",
+      "contact": "Alice",
+      "message": {"Hey Peter, bring bread."},
+      "id": 3
+    },
+    {
+      "did": "did:peer(..)",
+      "contact": "Bob",
+      "message": {"Hey Bob, bring butter."},
+      "id": 2
+    },
+    {
+      "did": "did:peer(..)",
+      "contact": "Hugo",
+      "message": {"Hey Jan, bring Salt."},
+      "id": 1
+    }
+  ]
+}
+```
 
+### Event channel name:
 ```bash
-RetrieveMessages
+RetrieveMessagesPaginated
 ```
 
 # Delete Messages
@@ -65,6 +155,13 @@ This event will delete specific messages.
 
 ## Example input:
 
+```javascript
+DeleteMessages(did, id);
+DeleteMessages('did:peer', 3);
+```
+
+## Example input:
+
 ```javascript
 DeleteMessages(messageId);
 DeleteMessages(3);

From 7e8aabeffe39437153ef9a4992d2e4fb8dd8d447 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Tue, 26 Nov 2024 12:23:37 +0100
Subject: [PATCH 11/13] improved retrieval of new messages description

---
 docs/service-layer/other-events.md | 69 ++++++++++++++++++++----------
 1 file changed, 46 insertions(+), 23 deletions(-)

diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index 07c66fd..cfe0cf0 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -14,13 +14,15 @@ The retrieval of messages has the following calls:
 2) Periodic Retrieve (Incremental Sync)
 3) User Scrolls Up - Polling (On-Demand Fetching for Older Messages)
 
-Description.- Messages on the frontend will have a pile structure based on dates. Meaning, the frontend will keep the latest messages and will drop older ones. Call number 1 will populate this pile. This call will be called when the app is initialized or if errors are detected. Imagine this pile populates the messages view of a messaging app.
+Messages on the frontend will have a pile structure based on dates. Meaning, the frontend will keep the latest messages and will drop older ones. Call number 1 will populate this pile. This call will be called when the app is initialized or if errors are detected. Imagine this pile populates the messages view of a messaging app.
 
 Call number 2 will bring new messages to the previously mentioned pile. 
 
 Call number 3 will bring a paginated set of messages for older conversations. The user will select a specific conversation and this call will be triggered to request older messages. 
 
-This approach aims to reduce the calls load yet providing a consistent and lightway approach to handle messages communication between the FE and BE. 
+This approach aims to reduce the calls load yet providing a consistent and lightweight approach to handle messages communication between the FE and BE. 
+
+The pile will have a specific configurable cache size criteria based on amount of messages and dates (e.g., the last N messages, messages within the past X days, etc.).
 
 ## Initial Sync (or Cache Miss Detection and Full Sync)
 
@@ -40,24 +42,28 @@ RetrieveMessagesInitial();
       "did": "did:peer(..)",
       "contact": "Alice",
       "message": {"Hey Peter, bring bread."},
-      "id": 3
+      "id": 3,
+      "timestamp": "2024-11-19T23:50:00Z"
     },
     {
       "did": "did:peer(..)",
       "contact": "Bob",
       "message": {"Hey Bob, bring butter."},
-      "id": 2
+      "id": 2,
+      "timestamp": "2024-11-19T23:50:00Z"
     },
     {
       "did": "did:peer(..)",
       "contact": "Hugo",
       "message": {"Hey Jan, bring Salt."},
-      "id": 1
+      "id": 1,
+      "timestamp": "2024-11-19T23:50:00Z"
     }
   ]
 }
 ```
 
+
 ### Event channel name:
 ```bash
 RetrieveMessagesInitial
@@ -70,7 +76,7 @@ This event will retrieve new messages that recently came from the  mediator.
 ### Example input:
 
 ```javascript
-RetrieveMessagesPeriodic(since=2024-11-25T12:00:00Z);
+RetrieveMessagesPeriodic(date="2024-11-20T00:00:00Z");
 ```
 
 ### Example response:
@@ -83,24 +89,35 @@ RetrieveMessagesPeriodic(since=2024-11-25T12:00:00Z);
       "did": "did:peer(..)",
       "contact": "Alice",
       "message": {"Hey Peter, bring bread."},
-      "id": 3
+      "id": 3,
+      "timestamp": "2024-11-19T23:50:00Z"
     },
     {
       "did": "did:peer(..)",
       "contact": "Bob",
       "message": {"Hey Bob, bring butter."},
-      "id": 2
+      "id": 2,
+      "timestamp": "2024-11-19T23:50:00Z"
     },
     {
       "did": "did:peer(..)",
       "contact": "Hugo",
       "message": {"Hey Jan, bring Salt."},
-      "id": 1
+      "id": 1,
+      "timestamp": "2024-11-19T23:50:00Z"
     }
   ]
 }
 ```
 
+```json
+{
+  "status": "error",
+  "error": "No messages to retrieve"
+}
+
+```
+
 ### Event channel name:
 ```bash
 RetrieveMessagesPeriodic
@@ -113,7 +130,8 @@ This event will retrieve old messages under user demand.
 ### Example input:
 
 ```javascript
-RetrieveMessagesPaginated(did, date, pollSize);
+RetrieveMessagesPaginated(did="did:peer:12345", date="2024-11-20T00:00:00Z", pollSize=50);
+
 ```
 
 ### Example response:
@@ -123,25 +141,30 @@ RetrieveMessagesPaginated(did, date, pollSize);
   "status": "success",
   "payload": [
     {
-      "did": "did:peer(..)",
+      "did": "did:peer:12345",
       "contact": "Alice",
-      "message": {"Hey Peter, bring bread."},
-      "id": 3
+      "message": "Do you need anything else?",
+      "id": 45,
+      "timestamp": "2024-11-19T23:55:00Z"
     },
     {
-      "did": "did:peer(..)",
-      "contact": "Bob",
-      "message": {"Hey Bob, bring butter."},
-      "id": 2
-    },
-    {
-      "did": "did:peer(..)",
-      "contact": "Hugo",
-      "message": {"Hey Jan, bring Salt."},
-      "id": 1
+      "did": "did:peer:12345",
+      "contact": "Alice",
+      "message":"Don’t forget the bread!",
+      "id": 44,
+      "timestamp": "2024-11-19T23:50:00Z"
     }
   ]
 }
+
+```
+
+```json
+{
+  "status": "error",
+  "error": "Conversation not found"
+}
+
 ```
 
 ### Event channel name:

From 48edfb9a63f133871e37b54bcdd7c2d8d7b5b903 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Tue, 26 Nov 2024 12:25:19 +0100
Subject: [PATCH 12/13] improved text errors

---
 docs/service-layer/other-events.md | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index cfe0cf0..f08baa5 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -6,7 +6,7 @@
 - [Delete Contact](#Delete-Contact)
 - [Register Contact](#Register-Contact)
 
-# Retrieve New Messages
+# Retrieve Messages
 
 The retrieval of messages has the following calls:
 
@@ -178,13 +178,6 @@ This event will delete specific messages.
 
 ## Example input:
 
-```javascript
-DeleteMessages(did, id);
-DeleteMessages('did:peer', 3);
-```
-
-## Example input:
-
 ```javascript
 DeleteMessages(messageId);
 DeleteMessages(3);

From f2ac93471a6ced302d2515c4c59e818d25fc1256 Mon Sep 17 00:00:00 2001
From: hugoib <hugoibanez@gmail.com>
Date: Tue, 26 Nov 2024 13:08:48 +0100
Subject: [PATCH 13/13] fixed format issues

---
 docs/service-layer/other-events.md | 32 ++++++++++++++++--------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/docs/service-layer/other-events.md b/docs/service-layer/other-events.md
index f08baa5..8fa40bd 100644
--- a/docs/service-layer/other-events.md
+++ b/docs/service-layer/other-events.md
@@ -10,17 +10,17 @@
 
 The retrieval of messages has the following calls:
 
-1) Initial Sync (or Cache Miss Detection and Full Sync)
-2) Periodic Retrieve (Incremental Sync)
-3) User Scrolls Up - Polling (On-Demand Fetching for Older Messages)
+1. Initial Sync (or Cache Miss Detection and Full Sync)
+2. Periodic Retrieve (Incremental Sync)
+3. User Scrolls Up - Polling (On-Demand Fetching for Older Messages)
 
 Messages on the frontend will have a pile structure based on dates. Meaning, the frontend will keep the latest messages and will drop older ones. Call number 1 will populate this pile. This call will be called when the app is initialized or if errors are detected. Imagine this pile populates the messages view of a messaging app.
 
-Call number 2 will bring new messages to the previously mentioned pile. 
+Call number 2 will bring new messages to the previously mentioned pile.
 
-Call number 3 will bring a paginated set of messages for older conversations. The user will select a specific conversation and this call will be triggered to request older messages. 
+Call number 3 will bring a paginated set of messages for older conversations. The user will select a specific conversation and this call will be triggered to request older messages.
 
-This approach aims to reduce the calls load yet providing a consistent and lightweight approach to handle messages communication between the FE and BE. 
+This approach aims to reduce the calls load yet providing a consistent and lightweight approach to handle messages communication between the FE and BE.
 
 The pile will have a specific configurable cache size criteria based on amount of messages and dates (e.g., the last N messages, messages within the past X days, etc.).
 
@@ -63,20 +63,20 @@ RetrieveMessagesInitial();
 }
 ```
 
-
 ### Event channel name:
+
 ```bash
 RetrieveMessagesInitial
 ```
 
 ## Periodic Retrieve (Incremental Sync)
 
-This event will retrieve new messages that recently came from the  mediator.
+This event will retrieve new messages that recently came from the mediator.
 
 ### Example input:
 
 ```javascript
-RetrieveMessagesPeriodic(date="2024-11-20T00:00:00Z");
+RetrieveMessagesPeriodic((date = '2024-11-20T00:00:00Z'));
 ```
 
 ### Example response:
@@ -115,10 +115,10 @@ RetrieveMessagesPeriodic(date="2024-11-20T00:00:00Z");
   "status": "error",
   "error": "No messages to retrieve"
 }
-
 ```
 
 ### Event channel name:
+
 ```bash
 RetrieveMessagesPeriodic
 ```
@@ -130,8 +130,11 @@ This event will retrieve old messages under user demand.
 ### Example input:
 
 ```javascript
-RetrieveMessagesPaginated(did="did:peer:12345", date="2024-11-20T00:00:00Z", pollSize=50);
-
+RetrieveMessagesPaginated(
+  (did = 'did:peer:12345'),
+  (date = '2024-11-20T00:00:00Z'),
+  (pollSize = 50),
+);
 ```
 
 ### Example response:
@@ -150,13 +153,12 @@ RetrieveMessagesPaginated(did="did:peer:12345", date="2024-11-20T00:00:00Z", pol
     {
       "did": "did:peer:12345",
       "contact": "Alice",
-      "message":"Don’t forget the bread!",
+      "message": "Don’t forget the bread!",
       "id": 44,
       "timestamp": "2024-11-19T23:50:00Z"
     }
   ]
 }
-
 ```
 
 ```json
@@ -164,10 +166,10 @@ RetrieveMessagesPaginated(did="did:peer:12345", date="2024-11-20T00:00:00Z", pol
   "status": "error",
   "error": "Conversation not found"
 }
-
 ```
 
 ### Event channel name:
+
 ```bash
 RetrieveMessagesPaginated
 ```