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Get Ethereum transaction confirmations count
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async function getConfirmations(txHash) { | |
try { | |
// Instantiate web3 with HttpProvider | |
const web3 = new Web3('https://rinkeby.infura.io/') | |
// Get transaction details | |
const trx = await web3.eth.getTransaction(txHash) | |
// Get current block number | |
const currentBlock = await web3.eth.getBlockNumber() | |
// When transaction is unconfirmed, its block number is null. | |
// In this case we return 0 as number of confirmations | |
return trx.blockNumber === null ? 0 : currentBlock - trx.blockNumber | |
} | |
catch (error) { | |
console.log(error) | |
} | |
} |
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