# Sign & Send a Transaction

A web application may create an unsigned transaction and request Adena to **sign and send the transaction** with the connected account via the `doContract` method. Upon receiving the request, Adena will prompt the user to approve the transaction. 

If the user approves the transaction, Adena will use the user's private key to sign the transaction to create a signed transaction and broadcast it immediately.

#### Code

```javascript
adena.DoContract({
    tx: {
        messages: [
            {
                type: "string",
                value: object
            },
            // you may add additional messages within the brackets
            ...
        ],
        memo?: string
    }, 
    isNotification?: boolean // default: true
)
```

#### **Params**

<table><thead><tr><th width="188">Key</th><th width="197.33333333333331">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>message.type</code></td><td><code>string</code></td><td><p><code>"/bank.MsgSend"</code> for transfers</p><p><code>"/vm.m_call"</code> for contract calls<br><code>"/vm.m_addpkg"</code> for adding packages<br><code>"/vm.m_run"</code> for simulating transactions</p></td></tr><tr><td><code>message.value</code></td><td><code>object</code></td><td>Values (must match the type's format)</td></tr><tr><td><code>memo</code></td><td><code>string</code></td><td>Transaction memo (tag)</td></tr><tr><td><code>tx</code></td><td><code>[Transaction Model]</code></td><td>Transaction info</td></tr><tr><td><code>isNotification</code></td><td><code>boolean</code></td><td>Notification (default: true)</td></tr></tbody></table>

#### Response

<table><thead><tr><th width="212">Key</th><th width="168.33333333333331">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>code</code></td><td><code>number</code></td><td>Account number</td></tr><tr><td><code>status</code></td><td><code>string</code></td><td>Returns <code>success</code> or <code>failure</code></td></tr><tr><td><code>type</code></td><td><code>string</code></td><td>Response type</td></tr><tr><td><code>message</code></td><td><code>string</code></td><td>Descriptive message of the result</td></tr><tr><td><code>data</code></td><td><code>object</code></td><td><strong>Transaction Result Model</strong></td></tr></tbody></table>

#### Transaction Model

<table><thead><tr><th width="212">Key</th><th width="168.33333333333331">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>messages[].type</code></td><td><code>string</code></td><td>"/bank.MsgSend" for transfers<br>"/vm.m_call" for contract calls<br>"/vm.m_addpkg" for adding packages<br>"/vm.m_run" for executing a gno script</td></tr><tr><td><code>messages[].value</code></td><td><code>object</code></td><td>Values (must match the type's format)</td></tr><tr><td><code>memo</code></td><td><code>String</code></td><td>Transaction memo (tag)</td></tr></tbody></table>

#### Transaction Result Model

<table><thead><tr><th width="212">Key</th><th width="168.33333333333331">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>hash</code></td><td><code>string</code></td><td>Transaction hash</td></tr><tr><td><code>height</code></td><td><code>string</code></td><td>Block height</td></tr><tr><td><code>checkTx</code></td><td><code>object</code></td><td>Only returns on successful transactions</td></tr><tr><td><code>deliverTx</code></td><td><code>object</code></td><td>Only returns on successful transactions</td></tr></tbody></table>

### `/bank.MsgSend`

#### Sample Request

<pre class="language-javascript"><code class="lang-javascript"><strong>await adena.DoContract(
</strong>  {
    messages: [{
        type: "/bank.MsgSend",
        value: {
            from_address: "g1ffzxha57dh0qgv9ma5v393ur0zexfvp6lsjpae", // your Adena address
            to_address: "g122n67es9vzs0rmharsggfr4sdkd45aysnuzf7m", // recipient's address
            amount: "5000000ugnot" // sending amount. 1GNOT = 1000000ugnot
        }
    }],
    memo: "12313"
  }
)
</code></pre>

#### Sample Response

```json
{
    "code": 0,
    "status": "success",
    "type": "TRANSACTION_SENT",
    "message": "The transaction has been successfully sent.",
    "data": {
        "height": "4027",
        "hash": "SWHSwked0XUWk7R7UmW+iD4PgVugok/Pb7fW0Yf86qE=",
        "deliverTx": {},
        "checkTx": {}
    }
}
```

### `/vm.m_call`

#### Sample Request

```javascript
await adena.DoContract(
  {
    messages: [{
      type: "/vm.m_call",
      value: {
        caller: "g1ffzxha57dh0qgv9ma5v393ur0zexfvp6lsjpae", // your Adena address
        send: "",
        pkg_path: "gno.land/r/demo/foo20", // Gnoland package path
        func: "Transfer", // Function name
        args: [ // Arguments
          "g122n67es9vzs0rmharsggfr4sdkd45aysnuzf7m",
          "1"
        ]
      }
    }
  ], 
})
```

#### Sample Response

```json
{
    "code": 0,
    "status": "success",
    "type": "TRANSACTION_SENT",
    "message": "The transaction has been successfully sent.",
    "data": {
        "height": "4027",
        "hash": "SWHSwked0XUWk7R7UmW+iD4PgVugok/Pb7fW0Yf86qE=",
        "deliverTx": {},
        "checkTx": {}
    }
}
```

### `/vm.m_addpkg`

#### Sample Request

```javascript
await adena.DoContract({
  messages: [{
    type: "/vm.m_addpkg",
    value: {
      creator: "g1ffzxha57dh0qgv9ma5v393ur0zexfvp6lsjpae", // your Adena address
      deposit: "1ugnot", // amount of ugnot to deposit in the package (enter a blank or an amount above 1 ugnot)
      package: {
        name: "hello", // package name
        path: "gno.land/r/demo/hello", // package path (cannot be a duplicate from existing paths on Gnoland)
        files: [ // a list of files to deploy
          {
            name: "hello.gno", // file name
            body: "package hello\n\nfunc Hello() string {\n\treturn \"Hello() called\"\n}\n\nfunc Render() string {\n\treturn \"Render() called\"\n}", //file contents
          }
        ]
      }
    }
  }],
});
```

#### Sample Response

```json
{
    "code": 0,
    "status": "success",
    "type": "TRANSACTION_SENT",
    "message": "The transaction has been successfully sent.",
    "data": {
        "height": "4027",
        "hash": "SWHSwked0XUWk7R7UmW+iD4PgVugok/Pb7fW0Yf86qE=",
        "deliverTx": {},
        "checkTx": {}
    }
}
```

### `/vm.m_run`

#### Sample Request

```javascript
await adena.DoContract({
  messages: [{
    type: "/vm.m_run",
    value: {
      caller: "g1jg8mtutu9khhfwc4nxmuhcpftf0pajdhfvsqf5", // your Adena address
      send: "", // amount of ugnot to send
      package: {
        name: "main", // package name
        path: "", // msg_run is empty path
        files: [
          {
            name: "main.gno", // file name
            body: "package main\n\nfunc main() {\n\tprintln(\"HELLO WORLD\")\n}", // file content (msg_run has main function)
          }
        ]
      }
    }
  }]
});
```

#### Sample Response

```json
{
    "status": "success",
    "data": {
        "document": {
            "msgs": [
                {
                    "type": "/vm.m_run",
                    "value": {
                        "caller": "g1jg8mtutu9khhfwc4nxmuhcpftf0pajdhfvsqf5",
                        "send": "",
                        "package": {
                            "name": "main",
                            "path": "gno.land/r/demo/main",
                            "files": [
                                {
                                    "name": "script.gno",
                                    "body": "package main\n\nfunc Main() {\n\tprintln(\"HELLO WORLD\")\n}"
                                }
                            ]
                        }
                    }
                }
            ],
            "fee": {
                "amount": [
                    {
                        "amount": "1",
                        "denom": "ugnot"
                    }
                ],
                "gas": "2000000"
            },
            "chain_id": "test3",
            "memo": "",
            "account_number": "3223",
            "sequence": "82"
        },
        "signature": {
            "pub_key": {
                "type": "tendermint/PubKeySecp256k1",
                "value": "A+FhNtsXHjLfSJk1lB8FbiL4mGPjc50Kt81J7EKDnJ2y"
            },
            "signature": "MYYWRnJ1OL2Q/QQFy7gzVNs2Rt0YrqWT9na1RnZv0+Qel3VCO01OsSiCqfy6O/In80lzNfPi4a/XeM+wB4JV0Q=="
        }
    },
    "code": 0,
    "message": "The transaction has been successfully sent.",
    "type": "TRANSACTION_SENT"
}
```


---

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