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how to get transaction hash before sending transaction in web3js

Vast Vulture answered on October 19, 2022 Popularity 3/10 Helpfulness 1/10

answer how to get transaction hash before sending transaction in web3js

how to get transaction hash before sending transaction in web3js

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const signed = await web3.eth.accounts.signTransaction( txObject, privateKey )
const txHash = await web3.utils.sha3(signed.rawTransaction);
console.log("TxHash Before send: "+txHash)
web3.eth.sendSignedTransaction( signed.rawTransaction ).on('receipt', (receipt) => {
    console.log("TxHash from Receipt: ", receipt.transactionHash )
  })

Popularity 3/10 Helpfulness 1/10 Language cpp

Source: ethereum.stackexchange.com

Tags: c++ get hash web3js

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