545 lines
22 KiB
TypeScript
545 lines
22 KiB
TypeScript
import DB from '../../database';
|
|
import logger from '../../logger';
|
|
import channelsApi from '../../api/explorer/channels.api';
|
|
import bitcoinApi from '../../api/bitcoin/bitcoin-api-factory';
|
|
import config from '../../config';
|
|
import { IEsploraApi } from '../../api/bitcoin/esplora-api.interface';
|
|
import { ILightningApi } from '../../api/lightning/lightning-api.interface';
|
|
import { $lookupNodeLocation } from './sync-tasks/node-locations';
|
|
import lightningApi from '../../api/lightning/lightning-api-factory';
|
|
import nodesApi from '../../api/explorer/nodes.api';
|
|
import { ResultSetHeader } from 'mysql2';
|
|
import fundingTxFetcher from './sync-tasks/funding-tx-fetcher';
|
|
import NodesSocketsRepository from '../../repositories/NodesSocketsRepository';
|
|
import { Common } from '../../api/common';
|
|
import blocks from '../../api/blocks';
|
|
import NodeRecordsRepository from '../../repositories/NodeRecordsRepository';
|
|
import forensicsService from './forensics.service';
|
|
|
|
class NetworkSyncService {
|
|
loggerTimer = 0;
|
|
closedChannelsScanBlock = 0;
|
|
|
|
constructor() {}
|
|
|
|
public async $startService(): Promise<void> {
|
|
logger.info('Starting lightning network sync service');
|
|
|
|
this.loggerTimer = new Date().getTime() / 1000;
|
|
|
|
await this.$runTasks();
|
|
}
|
|
|
|
private async $runTasks(): Promise<void> {
|
|
try {
|
|
logger.info(`Updating nodes and channels`);
|
|
|
|
const networkGraph = await lightningApi.$getNetworkGraph();
|
|
if (networkGraph.nodes.length === 0 || networkGraph.edges.length === 0) {
|
|
logger.info(`LN Network graph is empty, retrying in 10 seconds`);
|
|
setTimeout(() => { this.$runTasks(); }, 10000);
|
|
return;
|
|
}
|
|
|
|
await this.$updateNodesList(networkGraph.nodes);
|
|
await this.$updateChannelsList(networkGraph.edges);
|
|
await this.$deactivateChannelsWithoutActiveNodes();
|
|
await this.$lookUpCreationDateFromChain();
|
|
await this.$updateNodeFirstSeen();
|
|
await this.$scanForClosedChannels();
|
|
|
|
if (config.MEMPOOL.BACKEND === 'esplora') {
|
|
// run forensics on new channels only
|
|
await forensicsService.$runClosedChannelsForensics(true);
|
|
}
|
|
|
|
} catch (e) {
|
|
logger.err('$runTasks() error: ' + (e instanceof Error ? e.message : e));
|
|
}
|
|
|
|
setTimeout(() => { this.$runTasks(); }, 1000 * config.LIGHTNING.GRAPH_REFRESH_INTERVAL);
|
|
}
|
|
|
|
/**
|
|
* Update the `nodes` table to reflect the current network graph state
|
|
*/
|
|
private async $updateNodesList(nodes: ILightningApi.Node[]): Promise<void> {
|
|
let progress = 0;
|
|
|
|
let deletedSockets = 0;
|
|
let deletedRecords = 0;
|
|
const graphNodesPubkeys: string[] = [];
|
|
for (const node of nodes) {
|
|
const latestUpdated = await channelsApi.$getLatestChannelUpdateForNode(node.pub_key);
|
|
node.last_update = Math.max(node.last_update, latestUpdated);
|
|
|
|
await nodesApi.$saveNode(node);
|
|
graphNodesPubkeys.push(node.pub_key);
|
|
++progress;
|
|
|
|
const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
|
|
if (elapsedSeconds > 10) {
|
|
logger.info(`Updating node ${progress}/${nodes.length}`);
|
|
this.loggerTimer = new Date().getTime() / 1000;
|
|
}
|
|
|
|
const addresses: string[] = [];
|
|
for (const socket of node.addresses) {
|
|
await NodesSocketsRepository.$saveSocket(Common.formatSocket(node.pub_key, socket));
|
|
addresses.push(socket.addr);
|
|
}
|
|
deletedSockets += await NodesSocketsRepository.$deleteUnusedSockets(node.pub_key, addresses);
|
|
|
|
const oldRecordTypes = await NodeRecordsRepository.$getRecordTypes(node.pub_key);
|
|
const customRecordTypes: number[] = [];
|
|
for (const [type, payload] of Object.entries(node.custom_records || {})) {
|
|
const numericalType = parseInt(type);
|
|
await NodeRecordsRepository.$saveRecord({
|
|
publicKey: node.pub_key,
|
|
type: numericalType,
|
|
payload,
|
|
});
|
|
customRecordTypes.push(numericalType);
|
|
}
|
|
if (oldRecordTypes.reduce((changed, type) => changed || customRecordTypes.indexOf(type) === -1, false)) {
|
|
deletedRecords += await NodeRecordsRepository.$deleteUnusedRecords(node.pub_key, customRecordTypes);
|
|
}
|
|
}
|
|
logger.info(`${progress} nodes updated. ${deletedSockets} sockets deleted. ${deletedRecords} custom records deleted.`);
|
|
|
|
// If a channel if not present in the graph, mark it as inactive
|
|
await nodesApi.$setNodesInactive(graphNodesPubkeys);
|
|
|
|
if (config.MAXMIND.ENABLED) {
|
|
$lookupNodeLocation();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update the `channels` table to reflect the current network graph state
|
|
*/
|
|
private async $updateChannelsList(channels: ILightningApi.Channel[]): Promise<void> {
|
|
try {
|
|
const [closedChannelsRaw]: any[] = await DB.query(`SELECT id FROM channels WHERE status = 2`);
|
|
const closedChannels = {};
|
|
for (const closedChannel of closedChannelsRaw) {
|
|
closedChannels[closedChannel.id] = true;
|
|
}
|
|
|
|
let progress = 0;
|
|
|
|
const graphChannelsIds: string[] = [];
|
|
for (const channel of channels) {
|
|
if (!closedChannels[channel.channel_id]) {
|
|
await channelsApi.$saveChannel(channel);
|
|
}
|
|
graphChannelsIds.push(channel.channel_id);
|
|
++progress;
|
|
|
|
const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
|
|
if (elapsedSeconds > 10) {
|
|
logger.info(`Updating channel ${progress}/${channels.length}`);
|
|
this.loggerTimer = new Date().getTime() / 1000;
|
|
}
|
|
}
|
|
|
|
logger.info(`${progress} channels updated`);
|
|
|
|
// If a channel if not present in the graph, mark it as inactive
|
|
await channelsApi.$setChannelsInactive(graphChannelsIds);
|
|
} catch (e) {
|
|
logger.err(`Cannot update channel list. Reason: ${(e instanceof Error ? e.message : e)}`);
|
|
}
|
|
}
|
|
|
|
// This method look up the creation date of the earliest channel of the node
|
|
// and update the node to that date in order to get the earliest first seen date
|
|
private async $updateNodeFirstSeen(): Promise<void> {
|
|
let progress = 0;
|
|
let updated = 0;
|
|
|
|
try {
|
|
const [nodes]: any[] = await DB.query(`
|
|
SELECT nodes.public_key, UNIX_TIMESTAMP(nodes.first_seen) AS first_seen,
|
|
(
|
|
SELECT MIN(UNIX_TIMESTAMP(created))
|
|
FROM channels
|
|
WHERE channels.node1_public_key = nodes.public_key
|
|
) AS created1,
|
|
(
|
|
SELECT MIN(UNIX_TIMESTAMP(created))
|
|
FROM channels
|
|
WHERE channels.node2_public_key = nodes.public_key
|
|
) AS created2
|
|
FROM nodes
|
|
`);
|
|
|
|
for (const node of nodes) {
|
|
const lowest = Math.min(
|
|
node.created1 ?? Number.MAX_SAFE_INTEGER,
|
|
node.created2 ?? Number.MAX_SAFE_INTEGER,
|
|
node.first_seen ?? Number.MAX_SAFE_INTEGER
|
|
);
|
|
if (lowest < node.first_seen) {
|
|
const query = `UPDATE nodes SET first_seen = FROM_UNIXTIME(?) WHERE public_key = ?`;
|
|
const params = [lowest, node.public_key];
|
|
await DB.query(query, params);
|
|
}
|
|
++progress;
|
|
const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
|
|
if (elapsedSeconds > 10) {
|
|
logger.info(`Updating node first seen date ${progress}/${nodes.length}`);
|
|
this.loggerTimer = new Date().getTime() / 1000;
|
|
++updated;
|
|
}
|
|
}
|
|
logger.info(`Updated ${updated} node first seen dates`);
|
|
} catch (e) {
|
|
logger.err('$updateNodeFirstSeen() error: ' + (e instanceof Error ? e.message : e));
|
|
}
|
|
}
|
|
|
|
private async $lookUpCreationDateFromChain(): Promise<void> {
|
|
let progress = 0;
|
|
|
|
logger.info(`Running channel creation date lookup`);
|
|
try {
|
|
const channels = await channelsApi.$getChannelsWithoutCreatedDate();
|
|
for (const channel of channels) {
|
|
const transaction = await fundingTxFetcher.$fetchChannelOpenTx(channel.short_id);
|
|
await DB.query(`
|
|
UPDATE channels SET created = FROM_UNIXTIME(?) WHERE channels.id = ?`,
|
|
[transaction.timestamp, channel.id]
|
|
);
|
|
++progress;
|
|
const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
|
|
if (elapsedSeconds > 10) {
|
|
logger.info(`Updating channel creation date ${progress}/${channels.length}`);
|
|
this.loggerTimer = new Date().getTime() / 1000;
|
|
}
|
|
}
|
|
logger.info(`Updated ${channels.length} channels' creation date`);
|
|
} catch (e) {
|
|
logger.err('$lookUpCreationDateFromChain() error: ' + (e instanceof Error ? e.message : e));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* If a channel does not have any active node linked to it, then also
|
|
* mark that channel as inactive
|
|
*/
|
|
private async $deactivateChannelsWithoutActiveNodes(): Promise<void> {
|
|
logger.info(`Find channels which nodes are offline`);
|
|
|
|
try {
|
|
const result = await DB.query<ResultSetHeader>(`
|
|
UPDATE channels
|
|
SET status = 0
|
|
WHERE channels.status = 1
|
|
AND (
|
|
(
|
|
SELECT COUNT(*)
|
|
FROM nodes
|
|
WHERE nodes.public_key = channels.node1_public_key
|
|
AND nodes.status = 1
|
|
) = 0
|
|
OR (
|
|
SELECT COUNT(*)
|
|
FROM nodes
|
|
WHERE nodes.public_key = channels.node2_public_key
|
|
AND nodes.status = 1
|
|
) = 0)
|
|
`);
|
|
|
|
if (result[0].changedRows ?? 0 > 0) {
|
|
logger.info(`Marked ${result[0].changedRows} channels as inactive because they are not linked to any active node`);
|
|
} else {
|
|
logger.debug(`Marked ${result[0].changedRows} channels as inactive because they are not linked to any active node`);
|
|
}
|
|
} catch (e) {
|
|
logger.err('$deactivateChannelsWithoutActiveNodes() error: ' + (e instanceof Error ? e.message : e));
|
|
}
|
|
}
|
|
|
|
private async $scanForClosedChannels(): Promise<void> {
|
|
if (this.closedChannelsScanBlock === blocks.getCurrentBlockHeight()) {
|
|
logger.debug(`We've already scan closed channels for this block, skipping.`);
|
|
return;
|
|
}
|
|
|
|
let progress = 0;
|
|
|
|
try {
|
|
let log = `Starting closed channels scan`;
|
|
if (this.closedChannelsScanBlock > 0) {
|
|
log += `. Last scan was at block ${this.closedChannelsScanBlock}`;
|
|
} else {
|
|
log += ` for the first time`;
|
|
}
|
|
logger.info(log);
|
|
|
|
const channels = await channelsApi.$getChannelsByStatus([0, 1]);
|
|
for (const channel of channels) {
|
|
const spendingTx = await bitcoinApi.$getOutspend(channel.transaction_id, channel.transaction_vout);
|
|
if (spendingTx.spent === true && spendingTx.status?.confirmed === true) {
|
|
logger.debug('Marking channel: ' + channel.id + ' as closed.');
|
|
await DB.query(`UPDATE channels SET status = 2, closing_date = FROM_UNIXTIME(?) WHERE id = ?`,
|
|
[spendingTx.status.block_time, channel.id]);
|
|
if (spendingTx.txid && !channel.closing_transaction_id) {
|
|
await DB.query(`UPDATE channels SET closing_transaction_id = ? WHERE id = ?`, [spendingTx.txid, channel.id]);
|
|
}
|
|
}
|
|
|
|
++progress;
|
|
const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
|
|
if (elapsedSeconds > 10) {
|
|
logger.info(`Checking if channel has been closed ${progress}/${channels.length}`);
|
|
this.loggerTimer = new Date().getTime() / 1000;
|
|
}
|
|
}
|
|
|
|
this.closedChannelsScanBlock = blocks.getCurrentBlockHeight();
|
|
logger.info(`Closed channels scan completed at block ${this.closedChannelsScanBlock}`);
|
|
} catch (e) {
|
|
logger.err('$scanForClosedChannels() error: ' + (e instanceof Error ? e.message : e));
|
|
}
|
|
}
|
|
|
|
private findLightningScript(vin: IEsploraApi.Vin): number {
|
|
const topElement = vin.witness ? vin.witness[vin.witness.length - 2] : '';
|
|
if (/^OP_IF OP_PUSHBYTES_33 \w{66} OP_ELSE OP_PUSH(NUM_\d+|BYTES_(1 \w{2}|2 \w{4})) OP_CSV OP_DROP OP_PUSHBYTES_33 \w{66} OP_ENDIF OP_CHECKSIG$/.test(vin.inner_witnessscript_asm)) {
|
|
// https://github.com/lightning/bolts/blob/master/03-transactions.md#commitment-transaction-outputs
|
|
if (topElement === '01') {
|
|
// top element is '01' to get in the revocation path
|
|
// 'Revoked Lightning Force Close';
|
|
// Penalty force closed
|
|
return 2;
|
|
} else {
|
|
// top element is '', this is a delayed to_local output
|
|
// 'Lightning Force Close';
|
|
return 3;
|
|
}
|
|
} else if (
|
|
/^OP_DUP OP_HASH160 OP_PUSHBYTES_20 \w{40} OP_EQUAL OP_IF OP_CHECKSIG OP_ELSE OP_PUSHBYTES_33 \w{66} OP_SWAP OP_SIZE OP_PUSHBYTES_1 20 OP_EQUAL OP_NOTIF OP_DROP OP_PUSHNUM_2 OP_SWAP OP_PUSHBYTES_33 \w{66} OP_PUSHNUM_2 OP_CHECKMULTISIG OP_ELSE OP_HASH160 OP_PUSHBYTES_20 \w{40} OP_EQUALVERIFY OP_CHECKSIG OP_ENDIF (OP_PUSHNUM_1 OP_CSV OP_DROP |)OP_ENDIF$/.test(vin.inner_witnessscript_asm) ||
|
|
/^OP_DUP OP_HASH160 OP_PUSHBYTES_20 \w{40} OP_EQUAL OP_IF OP_CHECKSIG OP_ELSE OP_PUSHBYTES_33 \w{66} OP_SWAP OP_SIZE OP_PUSHBYTES_1 20 OP_EQUAL OP_IF OP_HASH160 OP_PUSHBYTES_20 \w{40} OP_EQUALVERIFY OP_PUSHNUM_2 OP_SWAP OP_PUSHBYTES_33 \w{66} OP_PUSHNUM_2 OP_CHECKMULTISIG OP_ELSE OP_DROP OP_PUSHBYTES_3 \w{6} OP_CLTV OP_DROP OP_CHECKSIG OP_ENDIF (OP_PUSHNUM_1 OP_CSV OP_DROP |)OP_ENDIF$/.test(vin.inner_witnessscript_asm)
|
|
) {
|
|
// https://github.com/lightning/bolts/blob/master/03-transactions.md#offered-htlc-outputs
|
|
// https://github.com/lightning/bolts/blob/master/03-transactions.md#received-htlc-outputs
|
|
if (topElement?.length === 66) {
|
|
// top element is a public key
|
|
// 'Revoked Lightning HTLC'; Penalty force closed
|
|
return 4;
|
|
} else if (topElement) {
|
|
// top element is a preimage
|
|
// 'Lightning HTLC';
|
|
return 5;
|
|
} else {
|
|
// top element is '' to get in the expiry of the script
|
|
// 'Expired Lightning HTLC';
|
|
return 6;
|
|
}
|
|
} else if (/^OP_PUSHBYTES_33 \w{66} OP_CHECKSIG OP_IFDUP OP_NOTIF OP_PUSHNUM_16 OP_CSV OP_ENDIF$/.test(vin.inner_witnessscript_asm)) {
|
|
// https://github.com/lightning/bolts/blob/master/03-transactions.md#to_local_anchor-and-to_remote_anchor-output-option_anchors
|
|
if (topElement) {
|
|
// top element is a signature
|
|
// 'Lightning Anchor';
|
|
return 7;
|
|
} else {
|
|
// top element is '', it has been swept after 16 blocks
|
|
// 'Swept Lightning Anchor';
|
|
return 8;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
// If a channel open tx spends funds from a closed channel output,
|
|
// we can attribute that output to a specific counterparty
|
|
private async $runOpenedChannelsForensics(): Promise<void> {
|
|
let progress = 0;
|
|
|
|
try {
|
|
logger.info(`Started running open channel forensics...`);
|
|
const channels = await channelsApi.$getChannelsWithoutSourceChecked();
|
|
|
|
for (const openChannel of channels) {
|
|
const openTx = await bitcoinApi.$getRawTransaction(openChannel.transaction_id);
|
|
for (const input of openTx.vin) {
|
|
const closeChannel = await channelsApi.$getChannelForensicsByClosingId(input.txid);
|
|
if (closeChannel) {
|
|
// this input directly spends a channel close output
|
|
await this.$attributeChannelBalances(closeChannel, openChannel, input);
|
|
} else {
|
|
const prevOpenChannel = await channelsApi.$getChannelForensicsByOpeningId(input.txid);
|
|
if (prevOpenChannel) {
|
|
await this.$attributeChannelBalances(prevOpenChannel, openChannel, input, null, null, true);
|
|
} else {
|
|
// check if this input spends any swept channel close outputs
|
|
await this.$attributeSweptChannelCloses(openChannel, input);
|
|
}
|
|
}
|
|
}
|
|
// calculate how much of the total input value is attributable to the channel open output
|
|
openChannel.funding_ratio = openTx.vout[openChannel.transaction_vout].value / ((openTx.vout.reduce((sum, v) => sum + v.value, 0) || 1) + openTx.fee);
|
|
// save changes to the opening channel, and mark it as checked
|
|
if (openTx?.vin?.length === 1) {
|
|
openChannel.single_funded = true;
|
|
}
|
|
if (openChannel.node1_funding_balance || openChannel.node2_funding_balance || openChannel.node1_closing_balance || openChannel.node2_closing_balance || openChannel.closed_by) {
|
|
await channelsApi.$updateOpeningInfo(openChannel);
|
|
}
|
|
await channelsApi.$markChannelSourceChecked(openChannel.id);
|
|
|
|
++progress;
|
|
const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
|
|
if (elapsedSeconds > 10) {
|
|
logger.info(`Updating opened channel forensics ${progress}/${channels?.length}`);
|
|
this.loggerTimer = new Date().getTime() / 1000;
|
|
}
|
|
}
|
|
|
|
logger.info(`Open channels forensics scan complete.`);
|
|
} catch (e) {
|
|
logger.err('$runOpenedChannelsForensics() error: ' + (e instanceof Error ? e.message : e));
|
|
}
|
|
}
|
|
|
|
// Check if a channel open tx input spends the result of a swept channel close output
|
|
private async $attributeSweptChannelCloses(openChannel: ILightningApi.Channel, input: IEsploraApi.Vin): Promise<void> {
|
|
const sweepTx = await bitcoinApi.$getRawTransaction(input.txid);
|
|
if (!sweepTx) {
|
|
logger.err(`couldn't find input transaction for channel forensics ${openChannel.channel_id} ${input.txid}`);
|
|
return;
|
|
}
|
|
const openContribution = sweepTx.vout[input.vout].value;
|
|
for (const sweepInput of sweepTx.vin) {
|
|
const lnScriptType = this.findLightningScript(sweepInput);
|
|
if (lnScriptType > 1) {
|
|
const closeChannel = await channelsApi.$getChannelForensicsByClosingId(sweepInput.txid);
|
|
if (closeChannel) {
|
|
const initiator = (lnScriptType === 2 || lnScriptType === 4) ? 'remote' : (lnScriptType === 3 ? 'local' : null);
|
|
await this.$attributeChannelBalances(closeChannel, openChannel, sweepInput, openContribution, initiator);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private async $attributeChannelBalances(
|
|
prevChannel, openChannel, input: IEsploraApi.Vin, openContribution: number | null = null,
|
|
initiator: 'remote' | 'local' | null = null, linkedOpenings: boolean = false
|
|
): Promise<void> {
|
|
// figure out which node controls the input/output
|
|
let openSide;
|
|
let closeLocal;
|
|
let closeRemote;
|
|
let matched = false;
|
|
let ambiguous = false; // if counterparties are the same in both channels, we can't tell them apart
|
|
if (openChannel.node1_public_key === prevChannel.node1_public_key) {
|
|
openSide = 1;
|
|
closeLocal = 1;
|
|
closeRemote = 2;
|
|
matched = true;
|
|
} else if (openChannel.node1_public_key === prevChannel.node2_public_key) {
|
|
openSide = 1;
|
|
closeLocal = 2;
|
|
closeRemote = 1;
|
|
matched = true;
|
|
}
|
|
if (openChannel.node2_public_key === prevChannel.node1_public_key) {
|
|
openSide = 2;
|
|
closeLocal = 1;
|
|
closeRemote = 2;
|
|
if (matched) {
|
|
ambiguous = true;
|
|
}
|
|
matched = true;
|
|
} else if (openChannel.node2_public_key === prevChannel.node2_public_key) {
|
|
openSide = 2;
|
|
closeLocal = 2;
|
|
closeRemote = 1;
|
|
if (matched) {
|
|
ambiguous = true;
|
|
}
|
|
matched = true;
|
|
}
|
|
|
|
if (matched && !ambiguous) {
|
|
// fetch closing channel transaction and perform forensics on the outputs
|
|
let prevChannelTx: IEsploraApi.Transaction | undefined;
|
|
let outspends: IEsploraApi.Outspend[] | undefined;
|
|
try {
|
|
prevChannelTx = await bitcoinApi.$getRawTransaction(input.txid);
|
|
outspends = await bitcoinApi.$getOutspends(input.txid);
|
|
} catch (e) {
|
|
logger.err(`Failed to call ${config.ESPLORA.REST_API_URL + '/tx/' + input.txid + '/outspends'}. Reason ${e instanceof Error ? e.message : e}`);
|
|
}
|
|
if (!outspends || !prevChannelTx) {
|
|
return;
|
|
}
|
|
if (!linkedOpenings) {
|
|
if (!prevChannel.outputs) {
|
|
prevChannel.outputs = prevChannel.outputs || prevChannelTx.vout.map(vout => {
|
|
return {
|
|
type: 0,
|
|
value: vout.value,
|
|
};
|
|
});
|
|
}
|
|
for (let i = 0; i < outspends?.length; i++) {
|
|
const outspend = outspends[i];
|
|
const output = prevChannel.outputs[i];
|
|
if (outspend.spent && outspend.txid) {
|
|
try {
|
|
const spendingTx = await bitcoinApi.$getRawTransaction(outspend.txid);
|
|
if (spendingTx) {
|
|
output.type = this.findLightningScript(spendingTx.vin[outspend.vin || 0]);
|
|
}
|
|
} catch (e) {
|
|
logger.err(`Failed to call ${config.ESPLORA.REST_API_URL + '/tx/' + outspend.txid}. Reason ${e instanceof Error ? e.message : e}`);
|
|
}
|
|
} else {
|
|
output.type = 0;
|
|
}
|
|
}
|
|
|
|
// attribute outputs to each counterparty, and sum up total known balances
|
|
prevChannel.outputs[input.vout].node = closeLocal;
|
|
const isPenalty = prevChannel.outputs.filter((out) => out.type === 2 || out.type === 4)?.length > 0;
|
|
const normalOutput = [1,3].includes(prevChannel.outputs[input.vout].type);
|
|
let localClosingBalance = 0;
|
|
let remoteClosingBalance = 0;
|
|
for (const output of prevChannel.outputs) {
|
|
if (isPenalty) {
|
|
// penalty close, so local node takes everything
|
|
localClosingBalance += output.value;
|
|
} else if (output.node) {
|
|
// this output determinstically linked to one of the counterparties
|
|
if (output.node === closeLocal) {
|
|
localClosingBalance += output.value;
|
|
} else {
|
|
remoteClosingBalance += output.value;
|
|
}
|
|
} else if (normalOutput && (output.type === 1 || output.type === 3)) {
|
|
// local node had one main output, therefore remote node takes the other
|
|
remoteClosingBalance += output.value;
|
|
}
|
|
}
|
|
prevChannel[`node${closeLocal}_closing_balance`] = localClosingBalance;
|
|
prevChannel[`node${closeRemote}_closing_balance`] = remoteClosingBalance;
|
|
prevChannel.closing_fee = prevChannelTx.fee;
|
|
|
|
if (initiator && !linkedOpenings) {
|
|
const initiatorSide = initiator === 'remote' ? closeRemote : closeLocal;
|
|
prevChannel.closed_by = prevChannel[`node${initiatorSide}_public_key`];
|
|
}
|
|
|
|
// save changes to the closing channel
|
|
await channelsApi.$updateClosingInfo(prevChannel);
|
|
}
|
|
openChannel[`node${openSide}_funding_balance`] = openChannel[`node${openSide}_funding_balance`] + (openContribution || prevChannelTx?.vout[input.vout]?.value || 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
export default new NetworkSyncService();
|