Refactoring, upgrading & adding logs in router.ts
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WORKFLOW_PAIRING_ANALYSIS.md
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WORKFLOW_PAIRING_ANALYSIS.md
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# Analyse du Workflow de Pairing - Processus de Couplage d'Appareils
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## Introduction
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Ce document présente une analyse complète du workflow de pairing (processus de couplage) dans l'écosystème 4NK, qui permet à deux appareils de s'associer de manière sécurisée. Le processus implique à la fois le code TypeScript côté client (`ihm_client_dev2`) et les fonctionnalités WebAssembly compilées depuis Rust (`sdk_client`).
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## Vue d'ensemble du Processus
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Le workflow de pairing est déclenché par la fonction `onCreateButtonClick()` et suit une séquence d'actions coordonnées entre l'interface utilisateur, les services JavaScript et le module WebAssembly.
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## Étapes Détaillées du Workflow
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### 1. Déclenchement Initial
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**Fonction :** `onCreateButtonClick()`
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**Localisation :** `src/utils/sp-address.utils.ts:152-160`
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```@/home/ank/dev/ihm_client_dev2/src/utils/sp-address.utils.ts#152:160
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async function onCreateButtonClick() {
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try {
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await prepareAndSendPairingTx();
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// Don't call confirmPairing immediately - it will be called when the pairing process is complete
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console.log('Pairing process initiated. Waiting for completion...');
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} catch (e) {
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console.error(`onCreateButtonClick error: ${e}`);
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}
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}
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```
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**Actions :**
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- Appel de `prepareAndSendPairingTx()`
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- Gestion d'erreur avec logging
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- Attente de la complétion du processus
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### 2. Préparation et Envoi de la Transaction de Pairing
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**Fonction :** `prepareAndSendPairingTx()`
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**Localisation :** `src/utils/sp-address.utils.ts:162-201`
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**Actions principales :**
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#### 2.1 Initialisation du Service
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```typescript
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const service = await Services.getInstance();
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const relayAddress = service.getAllRelays();
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```
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#### 2.2 Création du Processus de Pairing
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```typescript
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const createPairingProcessReturn = await service.createPairingProcess("", []);
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```
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#### 2.3 Vérification des Connexions
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```typescript
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await service.checkConnections(
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createPairingProcessReturn.updated_process.current_process,
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createPairingProcessReturn.updated_process.current_process.states[0].state_id
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);
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```
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#### 2.4 Configuration des Identifiants
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```typescript
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service.setProcessId(createPairingProcessReturn.updated_process.process_id);
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service.setStateId(createPairingProcessReturn.updated_process.current_process.states[0].state_id);
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```
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#### 2.5 Mise à Jour du Device
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```typescript
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const currentDevice = await service.getDeviceFromDatabase();
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if (currentDevice) {
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currentDevice.pairing_process_commitment = createPairingProcessReturn.updated_process.process_id;
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await service.saveDeviceInDatabase(currentDevice);
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}
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```
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#### 2.6 Traitement du Retour API
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```typescript
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await service.handleApiReturn(createPairingProcessReturn);
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```
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### 3. Création du Processus de Pairing (Côté Service)
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**Fonction :** `createPairingProcess()`
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**Localisation :** `src/services/service.ts:334-371`
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**Paramètres :**
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- `userName`: Nom d'utilisateur (vide dans ce cas)
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- `pairWith`: Liste des adresses à coupler (vide initialement)
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**Actions :**
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#### 3.1 Vérification de l'État de Pairing
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```typescript
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if (this.sdkClient.is_paired()) {
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throw new Error('Device already paired');
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}
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```
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#### 3.2 Préparation des Données
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```typescript
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const myAddress: string = this.sdkClient.get_address();
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pairWith.push(myAddress);
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const privateData = {
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description: 'pairing',
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counter: 0,
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};
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const publicData = {
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memberPublicName: userName,
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pairedAddresses: pairWith,
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};
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```
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#### 3.3 Définition des Rôles
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```typescript
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const roles: Record<string, RoleDefinition> = {
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pairing: {
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members: [],
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validation_rules: [{
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quorum: 1.0,
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fields: validation_fields,
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min_sig_member: 1.0,
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}],
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storages: [STORAGEURL]
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},
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};
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```
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#### 3.4 Appel de Création du Processus
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```typescript
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return this.createProcess(privateData, publicData, roles);
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```
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### 4. Création du Processus (Côté WebAssembly)
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**Fonction :** `create_new_process()`
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**Localisation :** `sdk_client/src/api.rs:1218-1264`
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**Actions principales :**
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#### 4.1 Validation des Rôles
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```rust
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if roles.is_empty() {
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return Err(ApiError { message: "Roles can't be empty".to_owned() });
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}
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```
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#### 4.2 Création de la Transaction
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```rust
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let relay_address: SilentPaymentAddress = relay_address.try_into()?;
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let tx = create_transaction_for_addresses(&local_device, &freezed_utxos, &vec![relay_address], fee_rate_checked)?;
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let unsigned_transaction = SpClient::finalize_transaction(tx)?;
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```
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#### 4.3 Gestion des Secrets Partagés
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```rust
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let new_secrets = get_shared_secrets_in_transaction(&unsigned_transaction, &vec![relay_address])?;
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let mut shared_secrets = lock_shared_secrets()?;
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for (address, secret) in new_secrets {
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shared_secrets.confirm_secret_for_address(secret, address);
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}
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```
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#### 4.4 Création de l'État du Processus
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```rust
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let process_id = OutPoint::new(unsigned_transaction.unsigned_tx.as_ref().unwrap().txid(), 0);
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let mut new_state = ProcessState::new(process_id, private_data.clone(), public_data.clone(), roles.clone())?;
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let mut process = Process::new(process_id);
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```
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### 5. Vérification des Connexions
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**Fonction :** `checkConnections()`
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**Localisation :** `src/services/service.ts:232-289`
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**Actions :**
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#### 5.1 Validation des États
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```typescript
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if (process.states.length < 2) {
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throw new Error('Process doesn\'t have any state yet');
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}
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```
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#### 5.2 Extraction des Rôles et Membres
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```typescript
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let roles: Record<string, RoleDefinition> | null = null;
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if (!stateId) {
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roles = process.states[process.states.length - 2].roles;
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} else {
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roles = process.states.find(state => state.state_id === stateId)?.roles || null;
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}
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```
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#### 5.3 Gestion des Processus de Pairing
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```typescript
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if (members.size === 0) {
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// This must be a pairing process
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const publicData = process.states[0]?.public_data;
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if (!publicData || !publicData['pairedAddresses']) {
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throw new Error('Not a pairing process');
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}
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const decodedAddresses = this.decodeValue(publicData['pairedAddresses']);
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members.add({ sp_addresses: decodedAddresses });
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}
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```
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#### 5.4 Connexion aux Adresses Non Connectées
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```typescript
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if (unconnectedAddresses && unconnectedAddresses.size != 0) {
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const apiResult = await this.connectAddresses(Array.from(unconnectedAddresses));
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await this.handleApiReturn(apiResult);
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}
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```
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### 6. Traitement du Retour API
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**Fonction :** `handleApiReturn()`
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**Localisation :** `src/services/service.ts:648-775`
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**Actions principales :**
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#### 6.1 Signature de Transaction
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```typescript
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if (apiReturn.partial_tx) {
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const res = this.sdkClient.sign_transaction(apiReturn.partial_tx);
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apiReturn.new_tx_to_send = res.new_tx_to_send;
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}
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```
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#### 6.2 Envoi de Transaction
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```typescript
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if (apiReturn.new_tx_to_send && apiReturn.new_tx_to_send.transaction.length != 0) {
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this.sendNewTxMessage(JSON.stringify(apiReturn.new_tx_to_send));
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await new Promise(r => setTimeout(r, 500));
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}
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```
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#### 6.3 Gestion des Secrets
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```typescript
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if (apiReturn.secrets) {
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const unconfirmedSecrets = apiReturn.secrets.unconfirmed_secrets;
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const confirmedSecrets = apiReturn.secrets.shared_secrets;
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// Sauvegarde en base de données
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}
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```
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#### 6.4 Mise à Jour du Processus
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```typescript
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if (apiReturn.updated_process) {
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const updatedProcess = apiReturn.updated_process;
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const processId: string = updatedProcess.process_id;
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await this.saveProcessToDb(processId, updatedProcess.current_process);
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}
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```
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#### 6.5 Confirmation Automatique du Pairing
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```typescript
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// Check if this is a pairing process that's ready for confirmation
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const existingDevice = await this.getDeviceFromDatabase();
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if (existingDevice && existingDevice.pairing_process_commitment === processId) {
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const lastState = updatedProcess.current_process.states[updatedProcess.current_process.states.length - 1];
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if (lastState && lastState.public_data && lastState.public_data['pairedAddresses']) {
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console.log('Pairing process updated with paired addresses, confirming pairing...');
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await this.confirmPairing();
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}
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}
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```
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### 7. Confirmation du Pairing
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**Fonction :** `confirmPairing()`
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**Localisation :** `src/services/service.ts:793-851`
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**Actions :**
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#### 7.1 Récupération du Processus de Pairing
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```typescript
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const existingDevice = await this.getDeviceFromDatabase();
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const pairingProcessId = existingDevice.pairing_process_commitment;
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const myPairingProcess = await this.getProcess(pairingProcessId);
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```
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#### 7.2 Extraction des Adresses Couplées
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```typescript
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let myPairingState = this.getLastCommitedState(myPairingProcess);
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const encodedSpAddressList = myPairingState.public_data['pairedAddresses'];
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const spAddressList = this.decodeValue(encodedSpAddressList);
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```
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#### 7.3 Pairing Effectif du Device
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```typescript
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this.sdkClient.unpair_device(); // Clear any existing pairing
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this.sdkClient.pair_device(pairingProcessId, spAddressList);
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```
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#### 7.4 Sauvegarde du Device Mis à Jour
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```typescript
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const newDevice = this.dumpDeviceFromMemory();
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newDevice.pairing_process_commitment = pairingProcessId;
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await this.saveDeviceInDatabase(newDevice);
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```
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## Architecture Technique
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### Côté Client (TypeScript)
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**Composants principaux :**
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- **Interface Utilisateur :** Gestion des événements de clic et affichage des emojis
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- **Services :** Orchestration du workflow et communication avec WebAssembly
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- **Base de Données :** Stockage des devices, secrets et processus
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- **WebSocket :** Communication avec les relais
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### Côté WebAssembly (Rust)
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**Fonctionnalités clés :**
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- **Gestion des Wallets :** Création et manipulation des portefeuilles Silent Payment
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- **Cryptographie :** Génération de secrets partagés et signatures
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- **Transactions :** Création et finalisation des transactions Bitcoin
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- **Processus :** Gestion des états et validation des changements
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## Types de Données Importants
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### Device
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```typescript
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interface Device {
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sp_wallet: SpWallet;
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pairing_process_commitment: OutPoint | null;
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paired_member: Member;
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}
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```
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### Process
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```typescript
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interface Process {
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states: ProcessState[];
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}
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```
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### ApiReturn
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```typescript
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interface ApiReturn {
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secrets: SecretsStore | null;
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updated_process: UpdatedProcess | null;
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new_tx_to_send: NewTxMessage | null;
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ciphers_to_send: string[];
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commit_to_send: CommitMessage | null;
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push_to_storage: string[];
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partial_tx: TsUnsignedTransaction | null;
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}
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```
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## Flux de Communication
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1. **UI → Service :** Déclenchement du processus via `onCreateButtonClick()`
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2. **Service → WebAssembly :** Appel des fonctions WASM pour la création du processus
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3. **WebAssembly → Service :** Retour des données via `ApiReturn`
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4. **Service → WebSocket :** Envoi des messages aux relais
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5. **WebSocket → Service :** Réception des réponses des relais
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6. **Service → Database :** Sauvegarde des états et secrets
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7. **Service → UI :** Mise à jour de l'interface utilisateur
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## Points d'Attention
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### Sécurité
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- Les secrets partagés sont générés côté WebAssembly (Rust)
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- Les transactions sont signées de manière sécurisée
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- Les données sensibles sont chiffrées avant stockage
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### Asynchronisme
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- Le processus est entièrement asynchrone
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- Utilisation de promesses et callbacks pour la coordination
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- Gestion d'erreur à chaque étape critique
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### État du Processus
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- Suivi de l'état via `processId` et `stateId`
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- Sauvegarde persistante en base de données
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- Récupération possible en cas d'interruption
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## Conclusion
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Le workflow de pairing représente un processus complexe mais bien structuré qui coordonne l'interface utilisateur TypeScript avec les fonctionnalités cryptographiques Rust via WebAssembly. Cette architecture permet une sécurité maximale tout en maintenant une expérience utilisateur fluide. Le processus est conçu pour être résilient aux interruptions et permet une récupération d'état en cas de problème.
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La séparation claire entre les responsabilités (UI, orchestration, cryptographie) facilite la maintenance et les évolutions futures du système de pairing.
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import { SignatureElement } from './signature';
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import signatureCss from '../../../public/style/signature.css?raw'
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import signatureCss from '../../../style/signature.css?raw'
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import Services from '../../services/service.js'
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class SignatureComponent extends HTMLElement {
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@ -1,4 +1,4 @@
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import signatureStyle from '../../../public/style/signature.css?inline';
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import signatureStyle from '../../../style/signature.css?inline';
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declare global {
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interface Window {
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718
src/router.ts
718
src/router.ts
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Load Diff
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Load Diff
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export async function storeData(servers: string[], key: string, value: Blob, ttl: number | null): Promise<AxiosResponse | null> {
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for (const server of servers) {
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try {
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// Handle relative paths (for development proxy) vs absolute URLs (for production)
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// --- DÉBUT DE LA CORRECTION ---
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// 1. On vérifie d'abord si la donnée existe en appelant le bon service
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// On passe 'server' au lieu de 'url' pour que testData construise la bonne URL
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const dataExists = await testData(server, key);
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if (dataExists) {
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console.log('Data already stored:', key);
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continue;
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} else {
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console.log('Data not stored for server, proceeding to POST:', key, server);
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}
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// --- FIN DE LA CORRECTION ---
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// Construction de l'URL pour le POST (stockage)
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// Cette partie était correcte
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let url: string;
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if (server.startsWith('/')) {
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// Relative path - construct manually for proxy
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// Relative path
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url = `${server}/store/${encodeURIComponent(key)}`;
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if (ttl !== null) {
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url += `?ttl=${ttl}`;
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}
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} else {
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// Absolute URL - use URL constructor
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// Absolute URL
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const urlObj = new URL(`${server}/store/${encodeURIComponent(key)}`);
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if (ttl !== null) {
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urlObj.searchParams.append('ttl', ttl.toString());
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@ -20,17 +35,11 @@ export async function storeData(servers: string[], key: string, value: Blob, ttl
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url = urlObj.toString();
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}
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// Test first that data is not already stored
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const testResponse = await testData(url, key);
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if (testResponse) {
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console.log('Data already stored:', key);
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continue;
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} else {
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console.log('Data not stored for server:', key, server);
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}
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// La ligne ci-dessous a été supprimée car le test est fait au-dessus
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// const testResponse = await testData(url, key); // <-- LIGNE BOGUÉE SUPPRIMÉE
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// Send the encrypted ArrayBuffer as the raw request body.
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const response = await axios.post(url, value, {
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// Send the encrypted data as the raw request body.
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const response = await axios.post(url, value, { // Note: c'est bien un POST sur 'url'
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headers: {
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'Content-Type': 'application/octet-stream'
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},
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@ -43,7 +52,7 @@ export async function storeData(servers: string[], key: string, value: Blob, ttl
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return response;
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} catch (error) {
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if (axios.isAxiosError(error) && error.response?.status === 409) {
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return null;
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return null; // 409 Conflict (Key already exists)
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||||
}
|
||||
console.error('Error storing data:', error);
|
||||
}
|
||||
@ -51,22 +60,21 @@ export async function storeData(servers: string[], key: string, value: Blob, ttl
|
||||
return null;
|
||||
}
|
||||
|
||||
// Fonction retrieveData (inchangée, elle était correcte)
|
||||
export async function retrieveData(servers: string[], key: string): Promise<ArrayBuffer | null> {
|
||||
for (const server of servers) {
|
||||
try {
|
||||
// Handle relative paths (for development proxy) vs absolute URLs (for production)
|
||||
const url = server.startsWith('/')
|
||||
? `${server}/retrieve/${key}` // Relative path - use as-is for proxy
|
||||
: new URL(`${server}/retrieve/${key}`).toString(); // Absolute URL - construct properly
|
||||
? `${server}/retrieve/${key}`
|
||||
: new URL(`${server}/retrieve/${key}`).toString();
|
||||
|
||||
console.log('Retrieving data', key,' from:', url);
|
||||
// When fetching the data from the server:
|
||||
|
||||
const response = await axios.get(url, {
|
||||
responseType: 'arraybuffer'
|
||||
});
|
||||
|
||||
if (response.status === 200) {
|
||||
// Validate that we received an ArrayBuffer
|
||||
if (response.data instanceof ArrayBuffer) {
|
||||
return response.data;
|
||||
} else {
|
||||
@ -80,8 +88,9 @@ export async function retrieveData(servers: string[], key: string): Promise<Arra
|
||||
} catch (error) {
|
||||
if (axios.isAxiosError(error)) {
|
||||
if (error.response?.status === 404) {
|
||||
// C'est normal si la donnée n'existe pas
|
||||
console.log(`Data not found on server ${server} for key ${key}`);
|
||||
continue; // Try next server
|
||||
continue;
|
||||
} else if (error.response?.status) {
|
||||
console.error(`Server ${server} error ${error.response.status}:`, error.response.statusText);
|
||||
continue;
|
||||
@ -103,17 +112,27 @@ interface TestResponse {
|
||||
value: boolean;
|
||||
}
|
||||
|
||||
export async function testData(url: string, key: string): Promise<boolean | null> {
|
||||
// --- FONCTION testData CORRIGÉE ---
|
||||
// Elle prend 'server' au lieu de 'url' et construit sa propre URL '/test/...'
|
||||
export async function testData(server: string, key: string): Promise<boolean> {
|
||||
try {
|
||||
const response = await axios.get(url);
|
||||
if (response.status !== 200) {
|
||||
console.error(`Test response status: ${response.status}`);
|
||||
// Construit l'URL /test/...
|
||||
const testUrl = server.startsWith('/')
|
||||
? `${server}/test/${encodeURIComponent(key)}`
|
||||
: new URL(`${server}/test/${encodeURIComponent(key)}`).toString();
|
||||
|
||||
const response = await axios.get(testUrl); // Fait un GET sur /test/...
|
||||
|
||||
// 200 OK = la donnée existe
|
||||
return response.status === 200;
|
||||
|
||||
} catch (error) {
|
||||
if (axios.isAxiosError(error) && error.response?.status === 404) {
|
||||
// 404 Not Found = la donnée n'existe pas. C'est une réponse valide.
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
} catch (error) {
|
||||
// Toute autre erreur (serveur offline, 500, etc.)
|
||||
console.error('Error testing data:', error);
|
||||
return null;
|
||||
return false; // On considère que le test a échoué
|
||||
}
|
||||
}
|
||||
@ -100,7 +100,7 @@ export async function displayEmojis(text: string) {
|
||||
|
||||
// Verify Other address
|
||||
export function initAddressInput() {
|
||||
const container = getCorrectDOM('login-4nk-component') as HTMLElement
|
||||
const container = getCorrectDOM('login-4nk-component') as HTMLElement;
|
||||
const addressInput = container.querySelector('#addressInput') as HTMLInputElement;
|
||||
const emojiDisplay = container.querySelector('#emoji-display-2');
|
||||
const okButton = container.querySelector('#okButton') as HTMLButtonElement;
|
||||
@ -164,17 +164,14 @@ export async function prepareAndSendPairingTx(): Promise<void> {
|
||||
|
||||
try {
|
||||
const relayAddress = service.getAllRelays();
|
||||
const createPairingProcessReturn = await service.createPairingProcess(
|
||||
"",
|
||||
[],
|
||||
);
|
||||
const createPairingProcessReturn = await service.createPairingProcess('', []);
|
||||
|
||||
if (!createPairingProcessReturn.updated_process) {
|
||||
throw new Error('createPairingProcess returned an empty new process');
|
||||
}
|
||||
|
||||
try {
|
||||
await service.checkConnections(createPairingProcessReturn.updated_process.current_process, createPairingProcessReturn.updated_process.current_process.states[0].state_id);
|
||||
await service.ensureConnections(createPairingProcessReturn.updated_process.current_process, createPairingProcessReturn.updated_process.current_process.states[0].state_id);
|
||||
} catch (e) {
|
||||
throw e;
|
||||
}
|
||||
@ -194,7 +191,6 @@ export async function prepareAndSendPairingTx(): Promise<void> {
|
||||
}
|
||||
|
||||
await service.handleApiReturn(createPairingProcessReturn);
|
||||
|
||||
} catch (err) {
|
||||
console.error(err);
|
||||
}
|
||||
@ -202,7 +198,7 @@ export async function prepareAndSendPairingTx(): Promise<void> {
|
||||
|
||||
export async function generateQRCode(spAddress: string) {
|
||||
try {
|
||||
const container = getCorrectDOM('login-4nk-component') as HTMLElement
|
||||
const container = getCorrectDOM('login-4nk-component') as HTMLElement;
|
||||
const currentUrl = 'https://' + window.location.host;
|
||||
const url = await QRCode.toDataURL(currentUrl + '?sp_address=' + spAddress);
|
||||
const qrCode = container?.querySelector('.qr-code img');
|
||||
@ -215,7 +211,7 @@ export async function generateQRCode(spAddress: string) {
|
||||
export async function generateCreateBtn() {
|
||||
try {
|
||||
// Generate CreateBtn
|
||||
const container = getCorrectDOM('login-4nk-component') as HTMLElement
|
||||
const container = getCorrectDOM('login-4nk-component') as HTMLElement;
|
||||
const createBtn = container?.querySelector('.create-btn');
|
||||
if (createBtn) {
|
||||
createBtn.textContent = 'CREATE';
|
||||
@ -223,5 +219,4 @@ export async function generateCreateBtn() {
|
||||
} catch (err) {
|
||||
console.error(err);
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user