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chainntnfs: add block cache to BtcdNotifier

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This commit adds gives BtcdNotifier access to the block cache and wraps
its GetBlock method so that it uses the block cache.
This commit is contained in:
Elle Mouton
2021-03-18 14:54:36 +02:00
parent 8a33fbf11a
commit a0f7bf8b2d
6 changed files with 40 additions and 10 deletions
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15
chainntnfs/btcdnotify/driver.go
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@@ -6,15 +6,16 @@ import (
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/rpcclient"
"github.com/lightningnetwork/lnd/blockcache"
"github.com/lightningnetwork/lnd/chainntnfs"
)
// createNewNotifier creates a new instance of the ChainNotifier interface
// implemented by BtcdNotifier.
func createNewNotifier(args ...interface{}) (chainntnfs.ChainNotifier, error) {
if len(args) != 4 {
if len(args) != 5 {
return nil, fmt.Errorf("incorrect number of arguments to "+
".New(...), expected 4, instead passed %v", len(args))
".New(...), expected 5, instead passed %v", len(args))
}
config, ok := args[0].(*rpcclient.ConnConfig)
@@ -41,7 +42,15 @@ func createNewNotifier(args ...interface{}) (chainntnfs.ChainNotifier, error) {
"is incorrect, expected a chainntnfs.ConfirmHintCache")
}
return New(config, chainParams, spendHintCache, confirmHintCache)
blockCache, ok := args[4].(*blockcache.BlockCache)
if !ok {
return nil, errors.New("fifth argument to btcdnotify.New " +
"is incorrect, expected a *blockcache.BlockCache")
}
return New(
config, chainParams, spendHintCache, confirmHintCache, blockCache,
)
}
// init registers a driver for the BtcdNotifier concrete implementation of the