f8de10511e
This commit adds gives BtcdNotifier access to the block cache and wraps its GetBlock method so that the block cache's mutex map for the specific hash is used.
61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
package neutrinonotify
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import (
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"errors"
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"fmt"
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"github.com/lightninglabs/neutrino"
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"github.com/lightningnetwork/lnd/blockcache"
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"github.com/lightningnetwork/lnd/chainntnfs"
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)
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// createNewNotifier creates a new instance of the ChainNotifier interface
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// implemented by NeutrinoNotifier.
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func createNewNotifier(args ...interface{}) (chainntnfs.ChainNotifier, error) {
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if len(args) != 4 {
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return nil, fmt.Errorf("incorrect number of arguments to "+
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".New(...), expected 4, instead passed %v", len(args))
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}
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config, ok := args[0].(*neutrino.ChainService)
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if !ok {
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return nil, errors.New("first argument to neutrinonotify.New " +
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"is incorrect, expected a *neutrino.ChainService")
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}
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spendHintCache, ok := args[1].(chainntnfs.SpendHintCache)
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if !ok {
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return nil, errors.New("second argument to neutrinonotify.New " +
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"is incorrect, expected a chainntfs.SpendHintCache")
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}
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confirmHintCache, ok := args[2].(chainntnfs.ConfirmHintCache)
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if !ok {
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return nil, errors.New("third argument to neutrinonotify.New " +
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"is incorrect, expected a chainntfs.ConfirmHintCache")
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}
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blockCache, ok := args[3].(*blockcache.BlockCache)
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if !ok {
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return nil, errors.New("fourth argument to neutrinonotify.New " +
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"is incorrect, expected a *blockcache.BlockCache")
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}
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return New(config, spendHintCache, confirmHintCache, blockCache), nil
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}
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// init registers a driver for the NeutrinoNotify concrete implementation of
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// the chainntnfs.ChainNotifier interface.
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func init() {
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// Register the driver.
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notifier := &chainntnfs.NotifierDriver{
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NotifierType: notifierType,
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New: createNewNotifier,
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}
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if err := chainntnfs.RegisterNotifier(notifier); err != nil {
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panic(fmt.Sprintf("failed to register notifier driver '%s': %v",
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notifierType, err))
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}
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}
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