a

lib/index.d.ts

@@ -12,6 +12,7 @@ export declare class BankClient {
         topic: string;
     };
     private privateKey;
+    private wsUrlBase;
     private bootstrapPromise;
     private bootstrapResult;
     constructor(urlBase: string, ipfsUrlBase: string, storage?: Storage, webClient?: IWebClient);
@@ -24,6 +25,7 @@ export declare class BankClient {
     uploadSlimText(item: string): Promise<any>;
     appendBank(bankAddress: string, bankTopic: string, itemHash: string): Promise<void>;
     retrievePrivate(peerAddr: string, topic: string): Promise<string>;
+    subscribePrivate(peerAddr: string, topic: string, callback: () => void): Promise<unknown>;
     appendPrivate(peerAddr: string, topic: string, hash: string, replaceHash?: string): Promise<void>;
     getOrCreateContact(peerId: string, contactAddr: string): Promise<any>;
     getContactById(peerId: string, contactId: string): Promise<any>;

lib/index.js

@@ -15,6 +15,7 @@ const crypto = require("libp2p-crypto");
 const util = require("util");
 const storage_1 = require("./storage");
 const TextEncoder = util.TextEncoder;
+const ws_1 = __importDefault(require("ws"));
 const util_1 = require("./util");
 const webclient_node_1 = __importDefault(require("./webclient-node"));
 class BankClient {
@@ -23,6 +24,7 @@ class BankClient {
         this.ipfsUrlBase = ipfsUrlBase;
         this.storage = storage;
         this.webClient = webClient;
+        this.wsUrlBase = urlBase.replace(/^http/i, 'ws');
     }
     static parseBankLink(bankLink) {
         if (!bankLink.startsWith('bank:')) {
@@ -216,6 +218,36 @@ class BankClient {
             return result;
         });
     }
+    subscribePrivate(peerAddr, topic, callback) {
+        return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
+            const nonce = yield this.getNonce();
+            const retrieveRequest = yield this.makePlaintextPayload(JSON.stringify({
+                _date: new Date().toISOString(),
+                _nonce: nonce,
+                addr: peerAddr,
+                topic: topic
+            }));
+            const ws = new ws_1.default(this.wsUrlBase + '/bank/ws', {
+                headers: {
+                    'x-msg': retrieveRequest.msg,
+                    'x-pub': retrieveRequest.pub,
+                    'x-pubhash': retrieveRequest.pubHash,
+                    'x-sig': retrieveRequest.sig
+                }
+            });
+            ws.on('open', function open() {
+                console.log('opened ws');
+                resolve();
+            });
+            ws.on('message', data => {
+                // console.log('ws message', data);
+                callback();
+            });
+            ws.on('error', err => {
+                reject(err);
+            });
+        }));
+    }
     appendPrivate(peerAddr, topic, hash, replaceHash) {
         return __awaiter(this, void 0, void 0, function* () {
             const nonce = yield this.getNonce();

lib/sample.d.ts

@@ -1,2 +1 @@
-declare const BankClient: any;
-declare const bankClient: any;
+export {};

lib/sample.js

@@ -7,11 +7,14 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
         step((generator = generator.apply(thisArg, _arguments || [])).next());
     });
 };
-const { BankClient } = require('./index');
-const bankClient = new BankClient('http://localhost:8082', 'https://distributing.fun');
+Object.defineProperty(exports, "__esModule", { value: true });
+const index_1 = require("./index");
+const host = 'http://127.0.0.1:8082';
+const bankClient = new index_1.BankClient(host, 'https://distributing.fun');
 (() => __awaiter(this, void 0, void 0, function* () {
     yield bankClient.bootstrap();
     const peerId = yield bankClient.getPub();
+    console.log('peerId', peerId);
     // const balance = await bankClient.getBalance();
     // const uploadResult = await bankClient.upload({
     //     fileData: 't2',
@@ -28,14 +31,34 @@ const bankClient = new BankClient('http://localhost:8082', 'https://distributing
     // console.log('publishRes', publishRes);
     // const privateRes = await bankClient.retrievePrivate(peerId, 'bleh');
     // console.log('privateRes', privateRes);
-    const newContact = yield bankClient.getOrCreateContact(peerId, 'phone:+13065006001');
-    console.log('newContact', newContact);
-    const updatedContact = yield bankClient.updateContact(peerId, newContact.id, {
-        fullName: 'John Doe4',
-        deepProp: {
-            whatever: [1, '2', true]
-        }
+    // const newContact = await bankClient.getOrCreateContact('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', 'phone:+13065006001');
+    // console.log('newContact', newContact);
+    // const updatedContact = await bankClient.updateContact('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', newContact.id, {
+    //     fullName: 'John Doe4',
+    //     deepProp: {
+    //         whatever: [1, '2', true]
+    //     }
+    // });
+    // console.log('updated', updatedContact);
+    console.log('subscribing');
+    yield bankClient.subscribePrivate('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', '📤', () => {
+        console.log('got a notify of an outbox item');
     });
-    console.log('updated', updatedContact);
+    console.log('subscribed');
+    const starting = yield bankClient.retrievePrivate('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', '📤');
+    console.log('starting', starting);
+    setTimeout(() => __awaiter(this, void 0, void 0, function* () {
+        const uploadResult = yield bankClient.upload({
+            type: 'file',
+            text: 'txt',
+            title: 'New random entry in outbox'
+        });
+        console.log('upl', uploadResult);
+        yield bankClient.appendBank('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', '📤', uploadResult);
+        console.log('added.');
+    }), 10000);
+    setTimeout(() => {
+        console.log('done');
+    }, 20000);
 }))();
 //# sourceMappingURL=sample.js.map

package-lock.json

@@ -438,12 +438,58 @@
       "integrity": "sha512-6BmYWSBea18+tSjjSC3QIyV93ZKAeNWGM7R6aYt1ryTZXrlHF+QLV0G2yV0viEGVyRkyQsWfMoJ0k/YghBX5sQ==",
       "dev": true
     },
+    "@types/body-parser": {
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.17.0.tgz",
+      "integrity": "sha512-a2+YeUjPkztKJu5aIF2yArYFQQp8d51wZ7DavSHjFuY1mqVgidGyzEQ41JIVNy82fXj8yPgy2vJmfIywgESW6w==",
+      "dev": true,
+      "requires": {
+        "@types/connect": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/caseless": {
       "version": "0.12.2",
       "resolved": "https://registry.npmjs.org/@types/caseless/-/caseless-0.12.2.tgz",
       "integrity": "sha512-6ckxMjBBD8URvjB6J3NcnuAn5Pkl7t3TizAg+xdlzzQGSPSmBcXf8KoIH0ua/i+tio+ZRUHEXp0HEmvaR4kt0w==",
       "dev": true
     },
+    "@types/connect": {
+      "version": "3.4.32",
+      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.32.tgz",
+      "integrity": "sha512-4r8qa0quOvh7lGD0pre62CAb1oni1OO6ecJLGCezTmhQ8Fz50Arx9RUszryR8KlgK6avuSXvviL6yWyViQABOg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/events": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
+      "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==",
+      "dev": true
+    },
+    "@types/express": {
+      "version": "4.17.0",
+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.0.tgz",
+      "integrity": "sha512-CjaMu57cjgjuZbh9DpkloeGxV45CnMGlVd+XpG7Gm9QgVrd7KFq+X4HY0vM+2v0bczS48Wg7bvnMY5TN+Xmcfw==",
+      "dev": true,
+      "requires": {
+        "@types/body-parser": "*",
+        "@types/express-serve-static-core": "*",
+        "@types/serve-static": "*"
+      }
+    },
+    "@types/express-serve-static-core": {
+      "version": "4.16.7",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.16.7.tgz",
+      "integrity": "sha512-847KvL8Q1y3TtFLRTXcVakErLJQgdpFSaq+k043xefz9raEf0C7HalpSY7OW5PyjCnY8P7bPW5t/Co9qqp+USg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*",
+        "@types/range-parser": "*"
+      }
+    },
     "@types/form-data": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@types/form-data/-/form-data-2.2.1.tgz",
@@ -493,6 +539,12 @@
       "integrity": "sha512-yALhelO3i0hqZwhjtcr6dYyaLoCHbAMshwtj6cGxTvHZAKXHsYGdff6E8EPw3xLKY0ELUTQ69Q1rQiJENnccMA==",
       "dev": true
     },
+    "@types/mime": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.1.tgz",
+      "integrity": "sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==",
+      "dev": true
+    },
     "@types/nock": {
       "version": "10.0.3",
       "resolved": "https://registry.npmjs.org/@types/nock/-/nock-10.0.3.tgz",
@@ -508,6 +560,12 @@
       "integrity": "sha512-gojym4tX0FWeV2gsW4Xmzo5wxGjXGm550oVUII7f7G5o4BV6c7DBdiG1RRQd+y1bvqRyYtPfMK85UM95vsapqQ==",
       "dev": true
     },
+    "@types/range-parser": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
+      "integrity": "sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==",
+      "dev": true
+    },
     "@types/request": {
       "version": "2.48.1",
       "resolved": "https://registry.npmjs.org/@types/request/-/request-2.48.1.tgz",
@@ -530,6 +588,16 @@
         "@types/request": "*"
       }
     },
+    "@types/serve-static": {
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.13.2.tgz",
+      "integrity": "sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==",
+      "dev": true,
+      "requires": {
+        "@types/express-serve-static-core": "*",
+        "@types/mime": "*"
+      }
+    },
     "@types/stack-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-1.0.1.tgz",
@@ -542,6 +610,16 @@
       "integrity": "sha512-SCcK7mvGi3+ZNz833RRjFIxrn4gI1PPR3NtuIS+6vMkvmsGjosqTJwRt5bAEFLRz+wtJMWv8+uOnZf2hi2QXTg==",
       "dev": true
     },
+    "@types/ws": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-6.0.1.tgz",
+      "integrity": "sha512-EzH8k1gyZ4xih/MaZTXwT2xOkPiIMSrhQ9b8wrlX88L0T02eYsddatQlwVFlEPyEqV0ChpdpNnE51QPH6NVT4Q==",
+      "dev": true,
+      "requires": {
+        "@types/events": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/yargs": {
       "version": "12.0.12",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-12.0.12.tgz",
@@ -554,6 +632,15 @@
       "integrity": "sha512-sY5AXXVZv4Y1VACTtR11UJCPHHudgY5i26Qj5TypE6DKlIApbwb5uqhXcJ5UUGbvZNRh7EeIoW+LrJumBsKp7w==",
       "dev": true
     },
+    "accepts": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+      "requires": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      }
+    },
     "acorn": {
       "version": "5.7.3",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
@@ -665,6 +752,11 @@
       "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM=",
       "dev": true
     },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
     "array-unique": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
@@ -728,8 +820,7 @@
     "async-limiter": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
-      "dev": true
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -912,6 +1003,30 @@
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
       "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
     },
+    "body-parser": {
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
+      "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
+      "requires": {
+        "bytes": "3.1.0",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "http-errors": "1.7.2",
+        "iconv-lite": "0.4.24",
+        "on-finished": "~2.3.0",
+        "qs": "6.7.0",
+        "raw-body": "2.4.0",
+        "type-is": "~1.6.17"
+      },
+      "dependencies": {
+        "qs": {
+          "version": "6.7.0",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
+          "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+        }
+      }
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1035,6 +1150,11 @@
       "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
       "dev": true
     },
+    "bytes": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
+      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
+    },
     "cache-base": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
@@ -1238,6 +1358,26 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
+    "content-disposition": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
+      "integrity": "sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==",
+      "requires": {
+        "safe-buffer": "5.1.2"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
+    "content-type": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
+    },
     "convert-source-map": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.6.0.tgz",
@@ -1255,6 +1395,16 @@
         }
       }
     },
+    "cookie": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz",
+      "integrity": "sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg=="
+    },
+    "cookie-signature": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
+    },
     "copy-descriptor": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
@@ -1355,7 +1505,6 @@
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
       "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "dev": true,
       "requires": {
         "ms": "2.0.0"
       }
@@ -1448,6 +1597,16 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
+    "depd": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak="
+    },
+    "destroy": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
+    },
     "detect-newline": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/detect-newline/-/detect-newline-2.1.0.tgz",
@@ -1494,6 +1653,11 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "ee-first": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
+    },
     "elliptic": {
       "version": "6.5.0",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.0.tgz",
@@ -1508,6 +1672,11 @@
         "minimalistic-crypto-utils": "^1.0.0"
       }
     },
+    "encodeurl": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
+    },
     "end-of-stream": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
@@ -1551,6 +1720,11 @@
         "is-symbol": "^1.0.2"
       }
     },
+    "escape-html": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
+      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -1596,6 +1770,11 @@
       "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
       "dev": true
     },
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     "ws": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
-      "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
-      "dev": true,
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.1.0.tgz",
+      "integrity": "sha512-Swie2C4fs7CkwlHu1glMePLYJJsWjzhl1vm3ZaLplD0h7OMkZyZ6kLTB/OagiU923bZrPFXuDTeEqaEN4NWG4g==",
       "requires": {
-        "async-limiter": "~1.0.0"
+        "async-limiter": "^1.0.0"
       }
     },
     "xml-name-validator": {

package.json

@@ -14,10 +14,12 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
+    "@types/express": "^4.17.0",
     "@types/jest": "^24.0.15",
     "@types/nock": "^10.0.3",
     "@types/node": "^12.6.2",
     "@types/request-promise": "^4.1.44",
+    "@types/ws": "^6.0.1",
     "jest": "^24.8.0",
     "nock": "^10.0.6",
     "prettier": "^1.18.2",
@@ -28,8 +30,10 @@
     "typescript": "^3.5.3"
   },
   "dependencies": {
+    "express": "^4.17.1",
     "libp2p-crypto": "^0.16.1",
     "request": "^2.88.0",
-    "request-promise": "^4.2.4"
+    "request-promise": "^4.2.4",
+    "ws": "^7.1.0"
   }
 }

src/index.ts

@@ -4,9 +4,11 @@ import RsaPrivateKey = crypto.keys;
 import { Storage } from './storage';
 import { IWebClient } from './webclient';
 const TextEncoder = util.TextEncoder;
+import WebSocket from 'ws';
 import { UploadItemParameters } from './upload-item-parameters';
 import { encodeHex, mergeDeep, uuid } from './util';
 import WebClientNode from './webclient-node';
+import { reject, resolve } from 'bluebird';
 
 export class BankClient {
 
@@ -30,11 +32,12 @@ export class BankClient {
   }
 
     private privateKey: RsaPrivateKey | undefined;
+    private wsUrlBase: string;
     private bootstrapPromise: any;
     private bootstrapResult: any;
     
     constructor(private urlBase: string, private ipfsUrlBase: string, private storage: Storage = new Storage('bankClient'), private webClient: IWebClient = new WebClientNode()) {
-
+      this.wsUrlBase = urlBase.replace(/^http/i, 'ws');
     }
 
     public getPub(): Promise<string> {
@@ -209,6 +212,38 @@ export class BankClient {
       return result;
     }
 
+    public subscribePrivate(peerAddr: string, topic: string, callback: () => void) {
+      return new Promise(async (resolve, reject) => {
+        const nonce = await this.getNonce();
+        const retrieveRequest: any = await this.makePlaintextPayload(JSON.stringify({
+          _date: new Date().toISOString(),
+          _nonce: nonce,
+          addr: peerAddr,
+          topic: topic
+        }));
+
+        const ws = new WebSocket(this.wsUrlBase + '/bank/ws', {
+          headers: {
+            'x-msg': retrieveRequest.msg,
+            'x-pub': retrieveRequest.pub,
+            'x-pubhash': retrieveRequest.pubHash,
+            'x-sig': retrieveRequest.sig
+          }
+        });
+        ws.on('open', function open() {
+          console.log('opened ws');
+          resolve();
+        });
+        ws.on('message', data => {
+          // console.log('ws message', data);
+          callback();
+        });
+        ws.on('error', err => {
+          reject(err);
+        });
+      });
+    }
+
     public async appendPrivate(peerAddr: string, topic: string, hash: string, replaceHash?: string) {
       const nonce = await this.getNonce();
       const payload = await this.makePlaintextPayload(JSON.stringify({

src/sample.ts

@@ -1,9 +1,11 @@
-const { BankClient } = require('./index');
-const bankClient = new BankClient('http://localhost:8082', 'https://distributing.fun');
+import { BankClient } from './index';
+const host = 'http://127.0.0.1:8082';
+const bankClient = new BankClient(host, 'https://distributing.fun');
 
 (async () => {
     await bankClient.bootstrap();
     const peerId = await bankClient.getPub();
+    console.log('peerId', peerId);
     // const balance = await bankClient.getBalance();
     // const uploadResult = await bankClient.upload({
     //     fileData: 't2',
@@ -20,13 +22,39 @@ const bankClient = new BankClient('http://localhost:8082', 'https://distributing
     // console.log('publishRes', publishRes);
     // const privateRes = await bankClient.retrievePrivate(peerId, 'bleh');
     // console.log('privateRes', privateRes);
-    const newContact = await bankClient.getOrCreateContact(peerId, 'phone:+13065006001');
-    console.log('newContact', newContact);
-    const updatedContact = await bankClient.updateContact(peerId, newContact.id, {
-        fullName: 'John Doe4',
-        deepProp: {
-            whatever: [1, '2', true]
-        }
+    // const newContact = await bankClient.getOrCreateContact('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', 'phone:+13065006001');
+    // console.log('newContact', newContact);
+    // const updatedContact = await bankClient.updateContact('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', newContact.id, {
+    //     fullName: 'John Doe4',
+    //     deepProp: {
+    //         whatever: [1, '2', true]
+    //     }
+    // });
+    // console.log('updated', updatedContact);
+    console.log('subscribing');
+    await bankClient.subscribePrivate('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', '📤', () => {
+        console.log('got a notify of an outbox item');
+    });
+    console.log('subscribed');
+
+    const starting = await bankClient.retrievePrivate('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', '📤');
+    console.log('starting', starting);
+
+
+
+
+    setTimeout(async () => {
+    const uploadResult = await bankClient.upload({
+        type: 'file',
+        text: 'txt',
+        title: 'New random entry in outbox'
     });
-    console.log('updated', updatedContact);
+    console.log('upl', uploadResult);
+    await bankClient.appendBank('QmXRkCwxqecBMXs4DQucS9w85pW16i26tdKcZHExt9z8s5', '📤', uploadResult);
+    console.log('added.');
+    }, 10000);
+    
+    setTimeout(() => {
+        console.log('done');
+    }, 20000);
 })();