Merge pull request #549 from EYBlockchain/david/proposer-offchain

David/proposer offchain

cli/lib/nf3.mjs

@@ -557,12 +557,15 @@ class Nf3 {
   the proposer.
   @method
   @async
+  @param {string} Proposer REST API URL with format https://xxxx.xxx.xx  
   @returns {Promise} A promise that resolves to the Ethereum transaction receipt.
   */
-  async registerProposer() {
+  async registerProposer(url) {
     const res = await axios.post(`${this.optimistBaseUrl}/proposer/register`, {
       address: this.ethereumAddress,
+      url,
     });
+    logger.debug(`Proposer Registered with address ${this.ethereumAddress} and URL ${url}`);
     return this.submitTransaction(
       res.data.txDataToSign,
       this.proposersContractAddress,
@@ -637,23 +640,19 @@ class Nf3 {
   }
 
   /**
-  Adds a new Proposer peer to a list of proposers that are available for accepting
-  offchain (direct) transfers and withdraws. The client will submit direct transfers
-  and withdraws to all of these peers.
+  Update Proposers URL
   @method
   @async
-  @param {string} peerUrl - the URL of the Proposer being added. This will be from
-  the point of view of nightfall-client, not the SDK user (e.g. 'http://optimist1:80').
-  Nightfall-client will use this URL to contact the Proposer.
+  @param {string} Proposer REST API URL with format https://xxxx.xxx.xx  
+  @returns {array} A promise that resolves to the Ethereum transaction receipt.
   */
-  async addPeer(peerUrl) {
-    if (!this.ethereumAddress)
-      throw new Error('Cannot add peer if the Ethereum address for the user is not defined');
-    // the peerUrl is from the point of view of the Client e.g. 'http://optimist1:80'
-    return axios.post(`${this.clientBaseUrl}/peers/addPeers`, {
+  async updateProposer(url) {
+    const res = await axios.post(`${this.optimistBaseUrl}/proposer/update`, {
       address: this.ethereumAddress,
-      enode: peerUrl,
+      url,
     });
+    logger.debug(`Proposer with address ${this.ethereumAddress} updated to URL ${url}`);
+    return this.submitTransaction(res.data.txDataToSign, this.proposersContractAddress, 0);
   }
 
   /**
@@ -689,6 +688,22 @@ class Nf3 {
     return newGasBlockEmitter;
   }
 
+  /**
+  Send offchain transaction to Optimist
+  @method
+  @async
+  @param {string} transaction 
+  @returns {array} A promise that resolves to the API call status
+  */
+  async sendOffchainTransaction(transaction) {
+    const res = axios.post(
+      `${this.optimistBaseUrl}/proposer/offchain-transaction`,
+      { transaction },
+      { timeout: 3600000 },
+    );
+    return res.status;
+  }
+
   /**
   Returns an emitter, whose 'data' event fires whenever a block is
   detected, passing out the transaction needed to propose the block. This
@@ -807,6 +822,15 @@ class Nf3 {
     return res.data.balance;
   }
 
+  async getLayer2BalancesUnfiltered({ ercList } = {}) {
+    const res = await axios.get(`${this.clientBaseUrl}/commitment/balance`, {
+      params: {
+        compressedPkd: ercList,
+      },
+    });
+    return res.data.balance;
+  }
+
   /**
   Returns the balance of tokens held in layer 2
   @method