Algorand: Broadcast Transaction

Request body

Property
Type
Description

kind*

String

For Algorand, always Transaction

transaction*

Hex String

The unsigned hex encoded transaction as shown below

externalId

(Optional) String

Sample request body

{
  "kind": "Transaction",
  "transaction": "0x81a374786e89a3616d74cd2710a3666565cd03e8a26676ce02340f13a367656eac746573746e65742d76312e30a26768c4204863b518a4b3c84ec810f22d4f1081cb0f71f059a7ac20dec62f7f70e5093a22a26c76ce023412fba3726376c4201256a859b39429ee178e0a65056fb33d51c5139044f6a2603c144278010c7684a3736e64c4201256a859b39429ee178e0a65056fb33d51c5139044f6a2603c144278010c7684a474797065a3706179"
}

200 response example

{
  "id": "tx-2bbd9-7dvdf-xxxxxxxxxxxxxxxx",
  "walletId": "wa-341e6-12nj6-xxxxxxxxxxxxxxxx",
  "network": "AlgorandTestnet",
  "requester": {
    "userId": "us-3v1ag-v6b36-xxxxxxxxxxxxxxxx",
    "tokenId": "to-7mkkj-c831n-xxxxxxxxxxxxxxxx",
    "appId": "ap-341e6-12nj6-xxxxxxxxxxxxxxxx"
  },
  "requestBody": {
    "kind": "Transaction",
    "transaction": "0x81a374786e89a3616d74cd2710a3666565cd03e8a26676ce02340f13a367656eac746573746e65742d76312e30a26768c4204863b518a4b3c84ec810f22d4f1081cb0f71f059a7ac20dec62f7f70e5093a22a26c76ce023412fba3726376c4201256a859b39429ee178e0a65056fb33d51c5139044f6a2603c144278010c7684a3736e64c4201256a859b39429ee178e0a65056fb33d51c5139044f6a2603c144278010c7684a474797065a3706179"
  },
  "status": "Broadcasted",
  "txHash": "RYMBSTJPYM5KTADZ3GHOSHMTEH5DHEWEFKNG6PWPMT44GHLSUDDA",
  "dateRequested": "2024-02-08T20:19:38.428Z",
  "dateBroadcasted": "2024-02-08T20:19:38.990Z"
}

Typescript Example with AlgoSDK

First install the AlgoSDK. You can find the full documentation here: https://github.com/algorand/js-algorand-sdk

Here a code sample to broadcast a transaction via the Dfns TypeScript SDK:

import { Algodv2, encodeObj, makePaymentTxnWithSuggestedParamsFromObject } from 'algosdk'

const walletId = 'wa-6lbfv-9esgj-xxxxxxxxxxxxxxxx'
const wallet = await dfnsClient.wallets.getWallet({ walletId })

const algod = new Algodv2(ALGORAND_TOKEN, ALGORAND_NODE_URL)

const suggestedParams = await algod.getTransactionParams().do()
const transaction = makePaymentTxnWithSuggestedParamsFromObject({
  from: wallet.address,
  suggestedParams,
  to: 'CJLKQWNTSQU64F4OBJSQK35THVI4KE4QIT3KEYB4CRBHQAIMO2CD6JWBCY',
  amount: 10000,
})

const bytes = encodeObj({ txn: transaction.get_obj_for_encoding() })

const res = await dfnsClient.wallets.broadcastTransaction({
  walletId,
  body: {
    kind: 'Transaction',
    transaction: `0x${Buffer.from(bytes).toString('hex')}`,
  },
})

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