Financial Transactions API

Description of endpoints used to construct Financial Transactions on the DeSo blockchain

Send DeSo

POST /api/v0/send-deso

Create a Basic transfer transaction. Basic transfer transactions send DeSo from one used to another. Transaction needs to be signed and submitted through api/v0/submit-transaction before changes come into effect.

A Basic Transfer transaction sends DeSo from the sender to the receiver.

Endpoint implementation in backend.

Example usage in frontend: - Make request to Send DeSo to get a preview of the transaction. - Make request to Send DeSo and sign+submit the transaction. - Use SendDeSo to transfer DeSo to another user.

Request Body

Name	Type	Description
SenderPublicKeyBase58Check*	String	Public key of the sender
RecipientPublicKeyOrUsername*	String	Public key or Username of the recipient
AmountNanos*	int64	transaction amount in nanos - If less than 0, this will create a max spend transaction that will send all funds from Sender to Receiver
MinFeeRateNanosPerKB*	uint64	Rate per KB
TransactionFees	TransactionFee]	Array of TransactionFee objects that define additional outputs that need to be added to this transaction

200: OK Successfully constructed Send DeSo transaction

Sample Response

{
  "TotalInputNanos": 1999946613,
  "SpendAmountNanos": 1000000000,
  "ChangeAmountNanos": 999946354,
  "FeeNanos": 259,
  "TransactionIDBase58Check": "CbUyAcAiR5C626pSXQ1KCHWxo55FiSsBS66GELxVPPJMT2Q4yjFTA",
  "Transaction": {
    "TxInputs": [ 
      {
        "TxID": [...],
        "Index": 0
      }
    ],
    "TxOutputs": [
      {
        "PublicKey": "Ajl7GoDroKYGRGUK8Twqb/37vziDDK/DSTenXd1EuM5S",
        "AmountNanos": 1000000000
      },
      {
        "PublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF",
        "AmountNanos": 999946354
      }
    ],
    "TxnMeta": {},
    "PublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF",
    "ExtraData": null,
    "Signature": null,
    "TxnTypeJSON": 2
  },
  "TransactionHex": "025051b0eeda78885641a2340f57b908f475d84ce3b8ce2507815c89e857ef1cce0006caf6e4d44a8575fe235d7d3ffdb1020485526118d3379f5a993a31f5a2823f000202397b1a80eba0a60644650af13c2a6ffdfbbf38830cafc34937a75ddd44b8ce528094ebdc0302aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c45f2f0e7dc0302002102aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c450000",
  "TxnHashHex": "df850aef107687e36034e3d298da341fc747d4a663e0a5e98fe3ce05cc10b4be"
}

Response Field Descriptions

400: Bad Request

Buy Or Sell Creator Coin

POST /api/v0/buy-or-sell-creator-coin

Create a buy/sell creator coin transaction. Transaction needs to be signed and submitted through api/v0/submit-transaction before changes come into effect.

A buy creator coin transaction locks DeSo in the creator coin of a creator and in return gives the purchaser creator coins.

A sell creator coin transaction unlocks an amount of DeSo commensurate with the amount of creator coins sold.

Endpoint implementation in backend.

Example usages in frontend: - Make request to Buy Or Sell Creator Coin - Use BuyOrSellCreatorCoin to get a preview of purchase/sale of creator coins - Use BuyOrSellCreatorCoin to buy or sell creator coins

Request Body

Name	Type	Description
MinCreatorCoinExpectedNanos	uint64	Minimum amount of Creator Coins expected when buying creator coins only required for buy transactions
MinFeeRateNanosPerKB*	uint64	Rate per KB
CreatorCoinToSellNanos*	uint64	Amount of Creator Coin to sell only required for sell transactions
TransactionFees	TrasactionFee[]	Array of TransactionFee objects that define additional outputs that need to be added to this transaction
CreatorPublicKeyBase58Check*	String	Public key of creator whose coin is being purchased
DeSoToAddNanos*	uint64	deprecated
OperationType*	String	"buy" or "sell"
MinDeSoExpectedNanos	uint64	Minimum DeSo expected to be received when selling creator coins only required for sell transactions
DeSoToSellNanos*	uint64	Amount of DeSo to spend purchasing creator coins only required for buy transactions
UpdaterPublicKeyBase58Check*	String	Public key of user purchasing/selling creator coins
InTutorial	Boolean	When true, perform additional checks to ensure user is at the correct point in the tutorial to execute this buy/sell creator coin transaction

200: OK Successfully construct Buy Creator Coin transaction

Sample Response

{
  "ExpectedDeSoReturnedNanos": 0, // Expected amount of DeSo received from the sale. Will always be 0 for buys.
  "ExpectedCreatorCoinReturnedNanos": 1200, // Expected amount of creator coins received from the purchase. Will always be 0 for sales.
  "FounderRewardGeneratedNanos": 9999664686, // Founders reward generated from this purchase. Will always be 0 for sales.
  "SpendAmountNanos": 1000000000,
  "TotalInputNanos": 1933081867,
  "ChangeAmountNanos": 933081602,
  "FeeNanos": 265,
  "Transaction": {
    "TxInputs": [
      {
        "TxID": [... ],
        "Index": 0
      }
    ],
    "TxOutputs": [
      {
        "PublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF",
        "AmountNanos": 933081602
      }
    ],
    "TxnMeta": {
      "ProfilePublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF", // Public key of the creator whose coin was purchased in this transaction
      "OperationType": 0, // 0 means buy, 1 means sell
      "DeSoToSellNanos": 1000000000, // Amount of DeSo used to purchase creator coins in this transaction
      "CreatorCoinToSellNanos": 0, // Amount of creator coins sold in this transaction
      "DeSoToAddNanos": 0, // not in use - ignore
      "MinDeSoExpectedNanos": 0, // Minimum DeSo expected from a creator coin sale. This will always be 0 for buys.
      "MinCreatorCoinExpectedNanos": 1000 // Minimum amount of creator coins expected from this purchase. This will always be 0 for sales.
    },
    "PublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF",
    "ExtraData": null,
    "Signature": null,
    "TxnTypeJSON": 11
  },
  "TransactionHex": "02acc5b6f137be6a9b49fa1e0b20d0b6c5f2a76618628e1cd34fe8dbb198b627f1001ba3390ffb4817f3d5993ef39fd2fc4cfd75312ba67a7ce2f1d083efa0df2e5e000102aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c4582e4f6bc030b2c2102aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c45008094ebdc03000000002102aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c450000",
  "TxnHashHex": "69f08986184d99833c40d794d3fdd8861c0be602f15e3021ed771e49c6f7771c"
}

Response Field Descriptions

400: Bad Request

200: OK Successfully constructed Sell Creator Coin transaction

Transfer Creator Coin

POST /api/v0/transfer-creator-coin

Create a transfer creator coin transaction. Transaction needs to be signed and submitted through api/v0/submit-transaction before changes come into effect.

Transfer creator coin transactions sends creator coins owned by the sender to the receiver.

Endpoint implementation in backend.

Example usages in frontend: - Make request to Transfer Creator Coin - Use TransferCreatorCoin to get a preview of a creator coin transfer transaction. - Use TransferCreatorCoin to construct, sign, and submit a creator coin transfer transaction.

Request Body

Name	Type	Description
SenderPublicKeyBase58Check*	String	Public key of user sending creator coins
CreatorPublicKeyBase58Check*	String	Public key of creator whose coins will be sent
ReceiverUsernameOrPublicKeyBase58Check*	String	username or public key of user who will receive creator coins
CreatorCoinToTransferNanos*	uint64	Amount of Creator Coin to transfer
MinFeeRateNanosPerKB*	uint64	Rate per KB
TrasactionFees	TrasactionFee[]	Array of TransactionFee objects that define additional outputs that need to be added to this transaction

200: OK Successfully constructed Transfer Creator Coin transaction

Sample Response

{
  "SpendAmountNanos": 0,
  "TotalInputNanos": 989250936,
  "ChangeAmountNanos": 989250675,
  "FeeNanos": 261,
  "Transaction": {
    "TxInputs": [
      {
        "TxID": [...],
        "Index": 0
      }
    ],
    "TxOutputs": [
      {
        "PublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF",
        "AmountNanos": 989250675
      }
    ],
    "TxnMeta": {
      "ProfilePublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF", // Public key of the creator whose coin is being transferred in this transaction
      "CreatorCoinToTransferNanos": 1000000000, // Amount of Creator coins being transferred (in nanos)
      "ReceiverPublicKey": "Ajl7GoDroKYGRGUK8Twqb/37vziDDK/DSTenXd1EuM5S" // Public key of the recipient of the creator coin transfer
    },
    "PublicKey": "Aqo9yNKZ6h5JFN5mSU7T4W7amg1lcZ1SPBqaA8v59gxF",
    "ExtraData": null,
    "Signature": null,
    "TxnTypeJSON": 14
  },
  "TransactionHex": "01f2816e264f381cf153299e0c3cc894ab67687e83b79e55996bdb1c44280aed1d000102aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c45f388dbd7030e492102aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c458094ebdc032102397b1a80eba0a60644650af13c2a6ffdfbbf38830cafc34937a75ddd44b8ce522102aa3dc8d299ea1e4914de66494ed3e16eda9a0d65719d523c1a9a03cbf9f60c450000",
  "TxnHashHex": "a0e90d5786367855ea2960cd4d8cc3ad81a73c056c7ee62a637ab17aa01320fe"
}

Response Field Descriptions

400: Bad Request