Wilmer Paulino 1323c92947 chainntnfs/btcdnotify: support registration for script confirmations ...

In this commit, we extend the BtcdNotifier to support registering
scripts for confirmation notifications. Once the script has been
detected as confirmed within the chain, a confirmation notification will
be dispatched to through the Confirmed channel of the ConfirmationEvent
returned upon registration.

For scripts that have confirmed in the past, the `historicalConfDetails`
method has been modified to skip the txindex and go straight to scanning
the chain manually if confirmation request is for a script. When
scanning the chain, we'll determine whether the script has been
confirmed by locating the script in an output of a confirmed
transaction.

For scripts that have yet to confirm, they will be properly tracked
within the TxNotifier.

2019-01-21 13:57:43 -08:00

7.1 KiB

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