RTL/server/controllers/cln/onchain.ts

import request from 'request-promise';
import { Logger, LoggerService } from '../../utils/logger.js';
import { Common, CommonService } from '../../utils/common.js';
let options = null;
const logger: LoggerService = Logger;
const common: CommonService = Common;

export const getNewAddress = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'OnChain', msg: 'Generating New Address..' });
  options = common.getOptions(req);
  if (options.error) { return res.status(options.statusCode).json({ message: options.message, error: options.error }); }
  options.url = req.session.selectedNode.ln_server_url + '/v1/newaddr';
  options.body = req.body;
  request.post(options).then((body) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'OnChain', msg: 'New Address Generated', data: body });
    res.status(200).json(body);
  }).catch((errRes) => {
    const err = common.handleError(errRes, 'OnChain', 'New Address Error', req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.message, error: err.error });
  });
};

export const onChainWithdraw = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'OnChain', msg: 'Withdrawing from On Chain..' });
  options = common.getOptions(req);
  if (options.error) { return res.status(options.statusCode).json({ message: options.message, error: options.error }); }
  options.url = req.session.selectedNode.ln_server_url + '/v1/withdraw';
  options.body = req.body;
  logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'OnChain', msg: 'OnChain Withdraw Options', data: options.body });
  request.post(options).then((body) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'OnChain', msg: 'Withdraw Finished', data: body });
    res.status(201).json(body);
  }).catch((errRes) => {
    const err = common.handleError(errRes, 'OnChain', 'Withdraw Error', req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.message, error: err.error });
  });
};

export const getUTXOs = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'OnChain', msg: 'Listing Funds..' });
  options = common.getOptions(req);
  if (options.error) { return res.status(options.statusCode).json({ message: options.message, error: options.error }); }
  options.url = req.session.selectedNode.ln_server_url + '/v1/listfunds';
  request.post(options).then((body) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'OnChain', msg: 'Funds List Received', data: body });
    // Local Remote Balance Calculation
    let lrBalance = { localBalance: 0, remoteBalance: 0, inactiveBalance: 0, pendingBalance: 0 };
    body.channels.forEach((channel) => {
      if ((channel.state === 'CHANNELD_NORMAL') && channel.connected === true) {
        lrBalance.localBalance = lrBalance.localBalance + channel.our_amount_msat;
        lrBalance.remoteBalance = lrBalance.remoteBalance + (channel.amount_msat - channel.our_amount_msat);
      } else if ((channel.state === 'CHANNELD_NORMAL') && channel.connected === false) {
        lrBalance.inactiveBalance = lrBalance.inactiveBalance + channel.our_amount_msat;
      } else if (channel.state === 'CHANNELD_AWAITING_LOCKIN' || channel.state === 'DUALOPEND_AWAITING_LOCKIN') {
        lrBalance.pendingBalance = lrBalance.pendingBalance + channel.our_amount_msat;
      }
    });
    lrBalance = {
      localBalance: lrBalance.localBalance / 1000,
      remoteBalance: lrBalance.remoteBalance / 1000,
      inactiveBalance: lrBalance.inactiveBalance / 1000,
      pendingBalance: lrBalance.pendingBalance / 1000
    };
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Onchain', msg: 'Local Remote Balance', data: lrBalance });
    // Onchain Balance Calculation
    let onchainBalance = { totalBalance: 0, confBalance: 0, unconfBalance: 0 };
    body.outputs.forEach((output) => {
      if (output.status === 'confirmed') {
        onchainBalance.confBalance = onchainBalance.confBalance + output.amount_msat;
      } else if (output.status === 'unconfirmed') {
        onchainBalance.unconfBalance = onchainBalance.unconfBalance + output.amount_msat;
      }
    });
    onchainBalance = {
      totalBalance: onchainBalance.confBalance / 1000,
      confBalance: (onchainBalance.confBalance - onchainBalance.unconfBalance) / 1000,
      unconfBalance: onchainBalance.unconfBalance / 1000
    };
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Onchain', msg: 'Onchain Balance Received', data: onchainBalance });
    res.status(200).json({ utxos: body.outputs || [], balance: onchainBalance, localRemoteBalance: lrBalance });
  }).catch((errRes) => {
    const err = common.handleError(errRes, 'OnChain', 'List Funds Error', req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.message, error: err.error });
  });
};