Say we want to confirm that a value transaction
tx has reached certain finality, which we define as waiting for 12 block confirmations. We do this to drop the probability of
tx getting lost due a fork or it getting included in an uncle block.
The examples I've seen use
getTransaction first to make sure
tx was mined in a block.
They then wait until 12 new blocks have been mined and seem to use
getTransactionReceipt to check if
tx is still in the blockchain.
Is there some functional difference in this context between using
getTransactionReceiptto check if
blockNumber? The implementations don't seem to use any of the additional data returned by
getTransactionReceiptmaking it slightly confusing.
Lets say a fork happened or
txgot into an orphaned block before 12 confirmations. Does this mean that
getTransactionReceiptwill return null for the transaction or how is this reflected in these calls?