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multi: init neutrino backend with block cache

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This commit initializes the nwutrino backend with the lnd blockcache so
that the two can share a block cache instead of each having its own.
This commit is contained in:
Elle Mouton 2021-03-24 08:48:33 +02:00
parent a0f7bf8b2d
commit ecf20ed350
2 changed files with 13 additions and 7 deletions
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6
chainreg/chainregistry.go
View File

@ -235,7 +235,8 @@ type ChainControl struct {
// full-node, another backed by a running bitcoind full-node, and the other
// backed by a running neutrino light client instance. When running with a
// neutrino light client instance, `neutrinoCS` must be non-nil.
func NewChainControl(cfg *Config) (*ChainControl, func(), error) {
func NewChainControl(cfg *Config, blockCache *blockcache.BlockCache) (
*ChainControl, func(), error) {
// Set the RPC config from the "home" chain. Multi-chain isn't yet
// active, so we'll restrict usage to a particular chain for now.
@ -307,9 +308,6 @@ func NewChainControl(cfg *Config) (*ChainControl, func(), error) {
"cache: %v", err)
}
// Initialize a new block cache.
blockCache := blockcache.NewBlockCache(cfg.BlockCacheSize)
// If spv mode is active, then we'll be using a distinct set of
// chainControl interfaces that interface directly with the p2p network
// of the selected chain.

14
lnd.go
View File

@ -34,6 +34,7 @@ import (
"gopkg.in/macaroon.v2"
"github.com/lightningnetwork/lnd/autopilot"
"github.com/lightningnetwork/lnd/blockcache"
"github.com/lightningnetwork/lnd/build"
"github.com/lightningnetwork/lnd/cert"
"github.com/lightningnetwork/lnd/chainreg"
@ -254,6 +255,9 @@ func Main(cfg *Config, lisCfg ListenerCfg, interceptor signal.Interceptor) error
defer cleanUp()
// Initialize a new block cache.
blockCache := blockcache.NewBlockCache(cfg.BlockCacheSize)
// Before starting the wallet, we'll create and start our Neutrino
// light client instance, if enabled, in order to allow it to sync
// while the rest of the daemon continues startup.
@ -264,7 +268,7 @@ func Main(cfg *Config, lisCfg ListenerCfg, interceptor signal.Interceptor) error
var neutrinoCS *neutrino.ChainService
if mainChain.Node == "neutrino" {
neutrinoBackend, neutrinoCleanUp, err := initNeutrinoBackend(
cfg, mainChain.ChainDir,
cfg, mainChain.ChainDir, blockCache,
)
if err != nil {
err := fmt.Errorf("unable to initialize neutrino "+
@ -549,7 +553,9 @@ func Main(cfg *Config, lisCfg ListenerCfg, interceptor signal.Interceptor) error
BlockCacheSize: cfg.BlockCacheSize,
}
activeChainControl, cleanup, err := chainreg.NewChainControl(chainControlCfg)
activeChainControl, cleanup, err := chainreg.NewChainControl(
chainControlCfg, blockCache,
)
if cleanup != nil {
defer cleanup()
}
@ -1554,7 +1560,8 @@ func initializeDatabases(ctx context.Context,
// initNeutrinoBackend inits a new instance of the neutrino light client
// backend given a target chain directory to store the chain state.
func initNeutrinoBackend(cfg *Config, chainDir string) (*neutrino.ChainService,
func initNeutrinoBackend(cfg *Config, chainDir string,
blockCache *blockcache.BlockCache) (*neutrino.ChainService,
func(), error) {
// Both channel validation flags are false by default but their meaning
@ -1662,6 +1669,7 @@ func initNeutrinoBackend(cfg *Config, chainDir string) (*neutrino.ChainService,
return ips, nil
},
AssertFilterHeader: headerStateAssertion,
BlockCache: blockCache.Cache,
}
neutrino.MaxPeers = 8