diff --git a/jest.config.js b/jest.config.js
index 8996913..89e38ad 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -2,7 +2,7 @@ module.exports = {
     roots: [
         '<rootDir>/test',
     ],
-    testRegex: '(/__tests__/.*|(\\.|/)(test))\\.tsx?$',
+    testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$',
     transform: {
         "^.+\\.(ts|tsx)?$": "ts-jest"
     },
diff --git a/package-lock.json b/package-lock.json
index b62a2a8..d9b01ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "waves-transactions",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -32,6 +32,14 @@
         }
       }
     },
+    "@types/axios": {
+      "version": "0.14.0",
+      "resolved": "https://registry.npmjs.org/@types/axios/-/axios-0.14.0.tgz",
+      "integrity": "sha1-7CMA++fX3d1+udOr+HmZlkyvzkY=",
+      "requires": {
+        "axios": "*"
+      }
+    },
     "@types/events": {
       "version": "1.2.0",
       "resolved": "http://registry.npmjs.org/@types/events/-/events-1.2.0.tgz",
@@ -878,6 +886,15 @@
       "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
       "dev": true
     },
+    "axios": {
+      "version": "0.18.0",
+      "resolved": "http://registry.npmjs.org/axios/-/axios-0.18.0.tgz",
+      "integrity": "sha1-MtU+SFHv3AoRmTts0AB4nXDAUQI=",
+      "requires": {
+        "follow-redirects": "^1.3.0",
+        "is-buffer": "^1.1.5"
+      }
+    },
     "babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -2637,6 +2654,24 @@
         "readable-stream": "^2.0.4"
       }
     },
+    "follow-redirects": {
+      "version": "1.5.9",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.9.tgz",
+      "integrity": "sha512-Bh65EZI/RU8nx0wbYF9shkFZlqLP+6WT/5FnA3cE/djNSuKNHJEinGGZgu/cQEkeeb2GdFOgenAmn8qaqYke2w==",
+      "requires": {
+        "debug": "=3.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
+      }
+    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -3744,8 +3779,7 @@
     "is-buffer": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
-      "dev": true
+      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
     },
     "is-builtin-module": {
       "version": "1.0.0",
@@ -5135,8 +5169,7 @@
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-      "dev": true
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
     "nan": {
       "version": "2.11.1",
diff --git a/package.json b/package.json
index ca64fe2..4681ac5 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,9 @@
     "url": "https://github.com/ebceu4/waves-transactions.git"
   },
   "dependencies": {
+    "@types/axios": "^0.14.0",
     "ajv": "^6.5.5",
+    "axios": "^0.18.0",
     "npm": "^6.4.1",
     "waves-crypto": "^1.0.39"
   }
diff --git a/src/general.ts b/src/general.ts
new file mode 100644
index 0000000..dfa60cb
--- /dev/null
+++ b/src/general.ts
@@ -0,0 +1,84 @@
+import { Order, TransactionType, Tx } from './transactions'
+import { SeedTypes } from "./types";
+import { issue, issueToBytes } from "./transactions/issue";
+import { transfer, transferToBytes } from "./transactions/transfer";
+import { reissue, reissueToBytes } from "./transactions/reissue";
+import { burn, burnToBytes } from "./transactions/burn";
+import { lease, leaseToBytes } from "./transactions/lease";
+import { cancelLease, cancelLeaseToBytes } from "./transactions/cancel-lease";
+import { data, dataToBytes } from "./transactions/data";
+import { massTransfer, massTransferToBytes } from "./transactions/mass-transfer";
+import { alias, aliasToBytes } from "./transactions/alias";
+import { setScript, setScriptToBytes } from "./transactions/set-script";
+import { isOrder, orderToBytes } from "./transactions/order";
+import axios from "axios";
+
+export function signTx(tx: Tx, seed: SeedTypes): Tx {
+  if (seed == null) throw new Error("Seed is not provided");
+  switch (tx.type) {
+    case TransactionType.Issue:
+      return issue(tx, seed);
+    case TransactionType.Transfer:
+      return transfer(tx, seed);
+    case TransactionType.Reissue:
+      return reissue(tx, seed);
+    case TransactionType.Burn:
+      return burn(tx, seed);
+    case TransactionType.Lease:
+      return lease(tx, seed);
+    case TransactionType.CancelLease:
+      return cancelLease(tx, seed);
+    case TransactionType.Alias:
+      return alias(tx, seed);
+    case TransactionType.MassTransfer:
+      return massTransfer(tx, seed);
+    case TransactionType.Data:
+      return data(tx, seed);
+    case TransactionType.SetScript:
+      return setScript(tx, seed);
+    default:
+      throw new Error(`Unknown tx type: ${tx!.type}`)
+  }
+}
+
+export function serialize(obj: Tx | Order): Uint8Array {
+  if (isOrder(obj)) return orderToBytes(obj)
+  switch (obj.type) {
+    case TransactionType.Issue:
+      return issueToBytes(obj);
+    case TransactionType.Transfer:
+      return transferToBytes(obj);
+    case TransactionType.Reissue:
+      return reissueToBytes(obj);
+    case TransactionType.Burn:
+      return burnToBytes(obj);
+    case TransactionType.Lease:
+      return leaseToBytes(obj);
+    case TransactionType.CancelLease:
+      return cancelLeaseToBytes(obj);
+    case TransactionType.Alias:
+      return aliasToBytes(obj);
+    case TransactionType.MassTransfer:
+      return massTransferToBytes(obj);
+    case TransactionType.Data:
+      return dataToBytes(obj);
+    case TransactionType.SetScript:
+      return setScriptToBytes(obj);
+    default:
+      throw new Error(`Unknown object type: ${obj}`)
+  }
+}
+
+export async function broadcast(tx: Tx, apiBase: string) {
+  const instance = axios.create({
+    baseURL: apiBase
+  });
+  try{
+    const resp = await instance.post('transactions/broadcast', tx);
+    return resp.data
+  }catch (e) {
+    if (e.response && e.response.status === 400){
+      throw new Error(e.response.data.message)
+    }else throw e
+  }
+};
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
index 66b96d2..c68ed69 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,4 +14,4 @@ export { transfer } from './transactions/transfer'
 export { alias } from './transactions/alias'
 export { setScript } from './transactions/set-script'
 export { order } from './transactions/order'
-export { signTx } from './signTx'
\ No newline at end of file
+export { signTx } from './general'
\ No newline at end of file
diff --git a/src/signTx.ts b/src/signTx.ts
deleted file mode 100644
index 062b806..0000000
--- a/src/signTx.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-import { TransactionType, Tx } from './transactions'
-import { SeedTypes } from "./types";
-import { issue } from "./transactions/issue";
-import { transfer } from "./transactions/transfer";
-import { reissue } from "./transactions/reissue";
-import { burn } from "./transactions/burn";
-import { lease } from "./transactions/lease";
-import { cancelLease } from "./transactions/cancel-lease";
-import { data } from "./transactions/data";
-import { massTransfer } from "./transactions/mass-transfer";
-import { alias } from "./transactions/alias";
-import { setScript } from "./transactions/set-script";
-
-export function signTx(tx: Tx, seed: SeedTypes): Tx {
-  if (seed == null) throw new Error("Seed is not provided");
-  switch (tx.type) {
-    case TransactionType.Issue:
-      return issue(tx, seed);
-    case TransactionType.Transfer:
-      return transfer(tx, seed);
-    case TransactionType.Reissue:
-      return reissue(tx, seed);
-    case TransactionType.Burn:
-      return burn(tx, seed);
-    case TransactionType.Lease:
-      return lease(tx, seed);
-    case TransactionType.CancelLease:
-      return cancelLease(tx, seed);
-    case TransactionType.Alias:
-      return alias(tx, seed);
-    case TransactionType.MassTransfer:
-      return massTransfer(tx, seed);
-    case TransactionType.Data:
-      return data(tx, seed);
-    case TransactionType.SetScript:
-      return setScript(tx, seed);
-    default:
-      throw new Error(`Unknown tx type: ${tx!.type}`)
-  }
-}
\ No newline at end of file
diff --git a/src/transactions/order.ts b/src/transactions/order.ts
index 62d29a5..753f014 100644
--- a/src/transactions/order.ts
+++ b/src/transactions/order.ts
@@ -19,6 +19,8 @@ export interface OrderParams extends Params {
   expiration?: number
 }
 
+export const isOrder = (p: any): p is Order => (<Order>p).assetPair !== undefined
+
 export const orderValidation = (ord: Order): ValidationResult => []
 
 export const orderToBytes = (ord: Order) => concat(
@@ -55,7 +57,7 @@ export const orderToBytes = (ord: Order) => concat(
  * }
  * 
  *
- * const signedOrder = burn(seed, params)
+ * const signedOrder = order(params, seed)
  * ```
  * ### Output
  * ```json
@@ -78,13 +80,12 @@ export const orderToBytes = (ord: Order) => concat(
  * }
  * ```
  *
- * @param seed
  * @param paramsOrOrder
+ * @param [seed]
  * @returns
  *
  */
 export function order(paramsOrOrder: OrderParams | Order, seed?: SeedTypes): Order {
-  const isOrder = (p: OrderParams | Order): p is Order => (<Order>p).assetPair !== undefined
 
   const amountAsset = isOrder(paramsOrOrder) ? paramsOrOrder.assetPair.amountAsset : paramsOrOrder.amountAsset
   const priceAsset = isOrder(paramsOrOrder) ? paramsOrOrder.assetPair.priceAsset : paramsOrOrder.priceAsset
diff --git a/test/general.test.ts b/test/general.test.ts
index 08797d6..dd39c2e 100644
--- a/test/general.test.ts
+++ b/test/general.test.ts
@@ -1,6 +1,8 @@
 import { publicKey, verifySignature } from "waves-crypto";
 import { reissue, signTx } from '../src';
 import { reissueToBytes } from "../src/transactions/reissue";
+import { broadcast } from "../src/general";
+import { data } from "./sandbox.spec";
 
 export const reissueMinimalParams = {
   assetId: 'test',
@@ -29,4 +31,27 @@ describe('signTx', () => {
     const signedTwoTimes = () => signTx(tx, [stringSeed])
     expect(signedTwoTimes).toThrow('Proof at index 0 is already exists.')
   })
+
+  it('Should send tx to node', async () => {
+    const dataParams = {data: [
+        {
+          key: 'oneTwo',
+          value: false
+        },
+        {
+          key: 'twoThree',
+          value: 2
+        },
+        {
+          key: 'three',
+          value: Uint8Array.from([1,2,3,4,5,6])
+        }
+      ],
+      timestamp: 100000
+    }
+    const result =  data('seed', dataParams)
+
+    await expect(broadcast(result, 'https://nodes.wavesplatform.com/')).rejects
+      .toEqual(new Error("Transaction not allowed by account-script"))
+  })
 })
\ No newline at end of file