support direct message requests

Author: moshemalawach

src/api/messages.js

@@ -0,0 +1,35 @@
+import axios from 'axios'
+import {DEFAULT_SERVER} from './base'
+
+export async function get_messages(
+    { api_server = DEFAULT_SERVER, pagination = 200, page=1,
+      message_type = null, content_types = null,
+      refs = null, addresses = null, tags = null, hashes = null} = {}) {
+    let params = {
+      'pagination': pagination,
+      'page': page
+    }
+
+    if (message_type !== null)
+      params.msgType = message_type
+  
+    if (content_types !== null)
+      params.contentTypes = content_types.join(',')
+  
+    if (refs !== null)
+      params.refs = refs.join(',')
+  
+    if (addresses !== null)
+      params.addresses = addresses.join(',')
+  
+    if (tags !== null)
+      params.tags = tags.join(',')
+  
+    if (hashes !== null)
+      params.hashes = hashes.join(',')
+  
+    let response = await axios.get(`${api_server}/api/v0/messages.json`, {
+      'params': params
+    })
+    return response.data
+  }

src/index.js

@@ -7,9 +7,11 @@ import * as avalanche from './api/avalanche.js';
 import * as ethereum from './api/ethereum.js';
 import * as substrate from './api/substrate.js';
 import * as posts from './api/posts.js';
+import * as messages from './api/messages.js';
 import * as store from './api/store.js';
 import * as encryption from './api/encryption.js';
-export {aggregates, nuls, nuls2, cosmos, solana, avalanche, ethereum, substrate, posts, store, encryption};
+export {aggregates, nuls, nuls2, cosmos, solana, avalanche, ethereum,
+  substrate, posts, store, messages, encryption};
 
 export {
   ipfs_push, storage_push,