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727 B
727 B
Check Document
Instructions
Write a node script that exports the function checkDocument() that :
- takes as parameter a transaction id and a string
- connects to a local node (
http://localhost:8545) - returns the date, as a unix timestamp, that the document was added to the blockchain if the transaction id and the string match and returns 0 otherwise
function checkDocument(text, txID) {
//...
}
module.exports = checkDocument
Usage
checkDocument(
'Hello world!',
'0x49c8803ea126179502d59707dbcd9e9de15f5d441920936e9ec6fd78dd6468d8',
)
// Expected :
//1611104541