Outgoing internal transactions
Enhance Your Smart Contract Monitoring with OUTGOING_INTERNAL_TX Notifications
In the dynamic world of blockchain, staying updated with transactions involving smart contracts is essential for maintaining a secure and efficient platform. Tatum's OUTGOING_INTERNAL_TX notification type offers a powerful solution to help you track outgoing native balance updates on a monitored smart contract.
How to do it?
curl -i -X POST \
https://api.tatum.io/v4/subscription?type=mainnet \
-H 'Content-Type: application/json' \
-H 'x-api-key: <YOUR-API-KEY>' \
-d '{
"type": "OUTGOING_INTERNAL_TX",
"attr": {
"address": "0xF64E82131BE01618487Da5142fc9d289cbb60E9d",
"chain": "ETH",
"url": "https://<YOUR_WEBHOOK_URL>"
}
}'
import { TatumSDK, Ethereum, Network } from '@tatumio/tatum'
(async () => {
const tatum = await TatumSDK.init<Ethereum>({network: Network.ETHEREUM})
const monitoredSmartContract = '0xF64E82131BE01618487Da5142fc9d289cbb60E9d'
const subscription = await tatum.notification.subscribe.outgoingInternalTx({
address: monitoredSmartContract,
url: 'https://<YOUR_WEBHOOK_URL>' // replace with your handler URL
})
console.log(`Now you will be notified about all outgoing ETH transactions on ${monitoredSmartContract}`)
})()
What does the fired webhook look like?
The fired notification webhook you will receive in your webhook listener will have the following format.
{
"currency": "ETH",
"chain": "ethereum-mainnet",
"txId": "0x062d236ccc044f68194a04008e98c3823271dc26160a4db9ae9303f9ecfc7bf6",
"blockNumber": 2913059,
"subscriptionType": "OUTGOING_INTERNAL_TX",
"mempool": false,
"address": "0xF64E82131BE01618487Da5142fc9d289cbb60E9d",
"counterAddress": "0x690B9A9E9aa1C9dB991C7721a92d351Db4FaC990",
"amount": "0.001"
}
Which blockchain networks are supported?
Blockchain | Mainnet | Testnet |
---|---|---|
Ethereum | Network.ETHEREUM | Network.ETHEREUM_SEPOLIA, Network.ETHEREUM_HOLESKY |
Polygon | Network.POLYGON | Network.POLYGON_AMOY |
Binance Smart Chain | Network.BINANCE_SMART_CHAIN | Network.BINANCE_SMART_CHAIN_TESTNET |
Flare | Network.FLARE | Network.FLARE_COSTON, Network.FLARE_COSTON_2, Network.FLARE_SONGBIRD |
Celo | Network.CELO | Network.CELO_ALFAJORES |
Klaytn | Network.KLAYTN | Network.KLATN_BAOBAB |
Tezos | Network.TEZOS | Network.TEZOS_TESTNET |
Tron | Network.TRON | Network.TRON_SHASTA |
Updated 14 days ago