Liquid: Display unconfidential address and fix tracking

fixes #761

backend/src/api/bitcoin/bitcoin-api.interface.ts

@@ -98,12 +98,15 @@ export namespace IBitcoinApi {
 
   export interface AddressInformation {
     isvalid: boolean;                //  (boolean) If the address is valid or not. If not, this is the only property returned.
+    isvalid_parent?: boolean;        //  (boolean) Elements only
     address: string;                 //  (string) The bitcoin address validated
     scriptPubKey: string;            //  (string) The hex-encoded scriptPubKey generated by the address
     isscript: boolean;               //  (boolean) If the key is a script
     iswitness: boolean;              //  (boolean) If the address is a witness
     witness_version?: boolean;       //  (numeric, optional) The version number of the witness program
     witness_program: string;         //  (string, optional) The hex value of the witness program
+    confidential_key?: string;       //  (string) Elements only
+    unconfidential?: string;         //  (string) Elements only
   }
 
   export interface ChainTips {

backend/src/api/bitcoin/bitcoin-api.ts

@@ -60,13 +60,12 @@ class BitcoinApi implements AbstractBitcoinApi {
     return this.bitcoindClient.getBlock(hash, 0);
   }
 
-
   $getBlockHash(height: number): Promise<string> {
     return this.bitcoindClient.getBlockHash(height);
   }
 
   $getBlockHeader(hash: string): Promise<string> {
-    return this.bitcoindClient.getBlockHeader(hash,false);
+    return this.bitcoindClient.getBlockHeader(hash, false);
   }
 
   async $getBlock(hash: string): Promise<IEsploraApi.Block> {
@@ -238,10 +237,6 @@ class BitcoinApi implements AbstractBitcoinApi {
       });
   }
 
-  protected $validateAddress(address: string): Promise<IBitcoinApi.AddressInformation> {
-    return this.bitcoindClient.validateAddress(address);
-  }
-
   private $getMempoolEntry(txid: string): Promise<IBitcoinApi.MempoolEntry> {
     return this.bitcoindClient.getMempoolEntry(txid);
   }

backend/src/api/bitcoin/bitcoin-base.api.ts

@@ -44,6 +44,10 @@ class BitcoinBaseApi {
   $getBlockchainInfo(): Promise<IBitcoinApi.BlockchainInfo> {
     return this.bitcoindClient.getBlockchainInfo();
   }
+
+  $validateAddress(address: string): Promise<IBitcoinApi.AddressInformation> {
+    return this.bitcoindClient.validateAddress(address);
+  }
 }
 
 export default new BitcoinBaseApi();

backend/src/api/bitcoin/electrum-api.ts

@@ -11,6 +11,7 @@ import * as sha256 from 'crypto-js/sha256';
 import * as hexEnc from 'crypto-js/enc-hex';
 import loadingIndicators from '../loading-indicators';
 import memoryCache from '../memory-cache';
+import bitcoinBaseApi from './bitcoin-base.api';
 
 class BitcoindElectrsApi extends BitcoinApi implements AbstractBitcoinApi {
   private electrumClient: any;
@@ -44,7 +45,7 @@ class BitcoindElectrsApi extends BitcoinApi implements AbstractBitcoinApi {
   }
 
   async $getAddress(address: string): Promise<IEsploraApi.Address> {
-    const addressInfo = await this.$validateAddress(address);
+    const addressInfo = await bitcoinBaseApi.$validateAddress(address);
     if (!addressInfo || !addressInfo.isvalid) {
       return ({
         'address': address,
@@ -98,7 +99,7 @@ class BitcoindElectrsApi extends BitcoinApi implements AbstractBitcoinApi {
   }
 
   async $getAddressTransactions(address: string, lastSeenTxId: string): Promise<IEsploraApi.Transaction[]> {
-    const addressInfo = await this.$validateAddress(address);
+    const addressInfo = await bitcoinBaseApi.$validateAddress(address);
     if (!addressInfo || !addressInfo.isvalid) {
      return [];
     }

backend/src/index.ts

@@ -251,6 +251,7 @@ class Server {
         .get(config.MEMPOOL.API_URL_PREFIX + 'address/:address/txs', routes.getAddressTransactions)
         .get(config.MEMPOOL.API_URL_PREFIX + 'address/:address/txs/chain/:txId', routes.getAddressTransactions)
         .get(config.MEMPOOL.API_URL_PREFIX + 'address-prefix/:prefix', routes.getAddressPrefix)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'validate-address/:address', routes.validateAddress)
       ;
     }
   }

backend/src/routes.ts

@@ -17,6 +17,7 @@ import transactionUtils from './api/transaction-utils';
 import blocks from './api/blocks';
 import loadingIndicators from './api/loading-indicators';
 import { Common } from './api/common';
+import bitcoinBaseApi from './api/bitcoin/bitcoin-base.api';
 
 class Routes {
   constructor() {}
@@ -687,6 +688,15 @@ class Routes {
     }
   }
 
+  public async validateAddress(req: Request, res: Response) {
+    try {
+      const result = await bitcoinBaseApi.$validateAddress(req.params.address);
+      res.json(result);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
   public getTransactionOutspends(req: Request, res: Response) {
     res.status(501).send('Not implemented');
   }
@@ -727,7 +737,7 @@ class Routes {
       const timeAvg = timeAvgMins * 60;
       const remainingTime =  remainingBlocks * timeAvg;
       const estimatedRetargetDate = remainingTime + now;
-      
+
       const result = {
         progressPercent,
         difficultyChange,
@@ -737,7 +747,7 @@ class Routes {
         previousRetarget,
         nextRetargetHeight,
         timeAvg,
-      }
+      };
       res.json(result);
 
     } catch (e) {