Create order

Create an order using a Signed Transaction

POST https://api.tronsave.io/v2/buy-resource

Rate limit: 15 requests per 1 second

Request params

Field	Type	Description
resourceType	String	"ENERGY" or "BANDWIDTH", default: ENERGY
unitPrice	Number	The price unit is equal to SUN.
resourceAmount*	Number	The number of resources.
receiver*	String	Resource receiving address
durationSec	Number	The duration of the bought resource, time unit, is in seconds. Default 259200 (3 days)
sponsor	String	sponsor code
signedTx	SignedTransaction	Signed transaction, note that it is a JSON object (signed_tx in Step 2)
options	Object	optional
options.allowPartialFill	Boolean	Allow the order to be filled partially or not
options.onlyCreateWhenFulfilled	Boolean	[true]=> order only creates when it can be fulfilled [false]=> order will create even if it can not be fulfilled Default value: false
options.maxPriceAccepted	Number	Only create order when the estimate price less than this value.
options.preventDuplicateIncompleteOrders	Boolean	[true]=> Only create if no uncompleted order with the same parameters exists. [false]=> Always create a new order, regardless of existing unfinished ones. Default value: false
options.minResourceDelegateRequiredAmount	Number	The minimum energy amount delegated by a single provider.

Request params example

{
    "resourceType": "ENERGY",
    "receiver": "TFFbwz3UpmgaPT4UudwsxbiJf63t777777",
    "durationSec": 3600,
    "resourceAmount": 32000,
    "unitPrice": 80,
    "options": {
        "allowPartialFill": true,
        "onlyCreateWhenFulfilled": true,
        "preventDuplicateIncompleteOrders": false,
        "maxPriceAccepted": 100,
        "minResourceDelegateRequiredAmount": 100000
    },
    "signedTx": 
    {
        "visible": false,
        "txID": "795f8195893e8da2ef2f70fc3a1f2720f9077244c4b7b1c50c99c72fda675a32",
        "raw_data_hex": "0a02b32e2208ce1cb373c238875e4098fbd9a0eb325a68080112640a2d747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e5472616e73666572436f6e747261637412330a1541417ca6f74356a5d4454498e3f4856c945a04ab01121541055756f33f419278d9ea059bd2b21120e6add74818e0e5a40170b8a6d6a0eb32",
        "raw_data": {
            "contract": [
                {
                    "parameter": {
                        "value": {
                            "to_address": "41055756f33f419278d9ea059bd2b21120e6add748",
                            "owner_address": "41417ca6f74356a5d4454498e3f4856c945a04ab01",
                            "amount": 2700000
                        },
                        "type_url": "type.googleapis.com/protocol.TransferContract"
                    },
                    "type": "TransferContract"
                }
            ],
            "ref_block_bytes": "b32e",
            "ref_block_hash": "ce1cb373c238875e",
            "expiration": 1746778095000,
            "timestamp": 1746778035000
        },
        "signature": [
            "xxxxxxxxxxxxxxxxxxx"
        ]
    }
}

Responses

{
    "error": false,
    "message": "Success",
    "data": {
        "orderId": "6818426a65fa8ea36d119d2c"
    }
}

Example Code

Javascript

const CreateOrder = async (resourceAmount, signedTx, receiverAddress, unitPrice, durationSec, options) => {
    const url = TRONSAVE_API_URL + "/v2/buy-resource";
    const body = {
        resourceType: RESOURCE_TYPE,
        resourceAmount,
        unitPrice,
        allowPartialFill: true,
        receiver: receiverAddress,
        durationSec,
        signedTx,
        options
    };
    const data = await fetch(url, {
        method: "POST",
        headers: {
            "content-type": "application/json",
        },
        body: JSON.stringify(body),
    });
    const response = await data.json();
    /**
     * Example response
     * {
     *     "error": false,
     *     "message": "Success",
     *     "data": {
     *         "orderId": "6809fdb7b9ba217a41d726fd"
     *     }
     * }
     */
    return response;
};

PHP

function createOrder($resourceAmount, $signedTx, $receiverAddress, $unitPrice, $durationSec) {
    $url = TRONSAVE_API_URL . "/v2/buy-resource";
    $body = [
        'resourceType' => RESOURCE_TYPE,
        'resourceAmount' => $resourceAmount,
        'unitPrice' => $unitPrice,
        'allowPartialFill' => true,
        'receiver' => $receiverAddress,
        'durationSec' => $durationSec,
        'signedTx' => $signedTx
    ];

    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_POST => true,
        CURLOPT_POSTFIELDS => json_encode($body),
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER => ['Content-Type: application/json']
    ]);

    $response = curl_exec($ch);
    curl_close($ch);
    return json_decode($response, true);
}

Python

def create_order(resource_amount: int, signed_tx: Dict[str, Any], 
                receiver_address: str, unit_price: int, duration_sec: int) -> Dict[str, Any]:
    url = f"{TRONSAVE_API_URL}/v2/buy-resource"
    body = {
        'resourceType': RESOURCE_TYPE,
        'resourceAmount': resource_amount,
        'unitPrice': unit_price,
        'allowPartialFill': True,
        'receiver': receiver_address,
        'durationSec': duration_sec,
        'signedTx': signed_tx
    }
    
    response = requests.post(url, json=body)
    return response.json()