mirror of https://github.com/guggero/chantools
Refactor dump into package
Oliver Gugger
4 years ago
parent
10f14d24da
commit
9dc79bbaa0
@ -1,57 +0,0 @@
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package chantools
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import (
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"encoding/hex"
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"fmt"
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"github.com/btcsuite/btcd/btcec"
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"github.com/lightningnetwork/lnd/channeldb"
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"github.com/lightningnetwork/lnd/keychain"
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)
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const (
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lndInternalDerivationPath = "m/1017'/0'/%d'/0/%d"
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)
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// dumpChanCfg is the information we want to dump from a channel configuration.
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// See `channeldb.ChannelConfig` for more information about the fields.
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type dumpChanCfg struct {
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channeldb.ChannelConstraints
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MultiSigKey dumpDescriptor
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RevocationBasePoint dumpDescriptor
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PaymentBasePoint dumpDescriptor
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DelayBasePoint dumpDescriptor
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HtlcBasePoint dumpDescriptor
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}
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type dumpDescriptor struct {
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Path string
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Pubkey string
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}
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func toDumpChanCfg(cfg channeldb.ChannelConfig) dumpChanCfg {
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return dumpChanCfg{
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ChannelConstraints: cfg.ChannelConstraints,
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MultiSigKey: toDumpDescriptor(cfg.MultiSigKey),
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RevocationBasePoint: toDumpDescriptor(cfg.RevocationBasePoint),
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PaymentBasePoint: toDumpDescriptor(cfg.PaymentBasePoint),
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DelayBasePoint: toDumpDescriptor(cfg.DelayBasePoint),
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HtlcBasePoint: toDumpDescriptor(cfg.HtlcBasePoint),
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}
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}
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func toDumpDescriptor(desc keychain.KeyDescriptor) dumpDescriptor {
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return dumpDescriptor{
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Path: fmt.Sprintf(
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lndInternalDerivationPath, desc.Family, desc.Index,
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),
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Pubkey: pubKeyToString(desc.PubKey),
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}
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}
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func pubKeyToString(pubkey *btcec.PublicKey) string {
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if pubkey == nil {
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return "<nil>"
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}
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return hex.EncodeToString(pubkey.SerializeCompressed())
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}
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@ -0,0 +1,117 @@
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package dump
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import (
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"encoding/hex"
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"fmt"
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"net"
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"github.com/btcsuite/btcd/btcec"
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"github.com/btcsuite/btcd/chaincfg/chainhash"
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"github.com/btcsuite/btcutil"
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"github.com/lightningnetwork/lnd/chanbackup"
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"github.com/lightningnetwork/lnd/channeldb"
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"github.com/lightningnetwork/lnd/keychain"
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"github.com/lightningnetwork/lnd/lnwire"
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)
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const (
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lndInternalDerivationPath = "m/1017'/0'/%d'/0/%d"
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)
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// BackupSingle is the information we want to dump from an lnd channel backup
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// multi file. See `chanbackup.Multi` for information about the fields.
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type BackupMulti struct {
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Version chanbackup.MultiBackupVersion
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StaticBackups []BackupSingle
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}
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// BackupSingle is the information we want to dump from an lnd channel backup.
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// See `chanbackup.Single` for information about the fields.
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type BackupSingle struct {
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Version chanbackup.SingleBackupVersion
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IsInitiator bool
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ChainHash string
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FundingOutpoint string
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ShortChannelID lnwire.ShortChannelID
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RemoteNodePub string
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Addresses []net.Addr
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Capacity btcutil.Amount
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LocalChanCfg ChannelConfig
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RemoteChanCfg ChannelConfig
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ShaChainRootDesc KeyDescriptor
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}
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// OpenChannel is the information we want to dump from an open channel in lnd's
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// channel DB. See `channeldb.OpenChannel` for information about the fields.
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type OpenChannel struct {
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ChanType channeldb.ChannelType
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ChainHash chainhash.Hash
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FundingOutpoint string
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ShortChannelID lnwire.ShortChannelID
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IsPending bool
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IsInitiator bool
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ChanStatus channeldb.ChannelStatus
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FundingBroadcastHeight uint32
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NumConfsRequired uint16
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ChannelFlags lnwire.FundingFlag
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IdentityPub string
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Capacity btcutil.Amount
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TotalMSatSent lnwire.MilliSatoshi
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TotalMSatReceived lnwire.MilliSatoshi
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PerCommitPoint string
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LocalChanCfg ChannelConfig
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RemoteChanCfg ChannelConfig
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LocalCommitment channeldb.ChannelCommitment
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RemoteCommitment channeldb.ChannelCommitment
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RemoteCurrentRevocation string
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RemoteNextRevocation string
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FundingTxn string
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LocalShutdownScript lnwire.DeliveryAddress
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RemoteShutdownScript lnwire.DeliveryAddress
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}
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// ChannelConfig is the information we want to dump from a channel
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// configuration. See `channeldb.ChannelConfig` for more information about the
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// fields.
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type ChannelConfig struct {
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channeldb.ChannelConstraints
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MultiSigKey KeyDescriptor
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RevocationBasePoint KeyDescriptor
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PaymentBasePoint KeyDescriptor
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DelayBasePoint KeyDescriptor
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HtlcBasePoint KeyDescriptor
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}
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// KeyDescriptor is the information we want to dump from a key descriptor. See
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// `keychain.KeyDescriptor` for more information about the fields.
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type KeyDescriptor struct {
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Path string
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PubKey string
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}
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func ToChannelConfig(cfg channeldb.ChannelConfig) ChannelConfig {
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return ChannelConfig{
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ChannelConstraints: cfg.ChannelConstraints,
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MultiSigKey: ToKeyDescriptor(cfg.MultiSigKey),
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RevocationBasePoint: ToKeyDescriptor(cfg.RevocationBasePoint),
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PaymentBasePoint: ToKeyDescriptor(cfg.PaymentBasePoint),
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DelayBasePoint: ToKeyDescriptor(cfg.DelayBasePoint),
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HtlcBasePoint: ToKeyDescriptor(cfg.HtlcBasePoint),
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}
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}
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func ToKeyDescriptor(desc keychain.KeyDescriptor) KeyDescriptor {
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return KeyDescriptor{
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Path: fmt.Sprintf(
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lndInternalDerivationPath, desc.Family, desc.Index,
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),
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PubKey: PubKeyToString(desc.PubKey),
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}
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}
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func PubKeyToString(pubkey *btcec.PublicKey) string {
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if pubkey == nil {
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return "<nil>"
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}
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return hex.EncodeToString(pubkey.SerializeCompressed())
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}
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