dogecoin-gatewayd-plugin/lib/get_next_payment.js

Three unix processes designed to automate the integration between a ripple gateway using gatewayd and a dogecoind server.

// Generated by CoffeeScript 1.7.1
var EventEmitter, config, emitter, lastBlockHash, listNextBlock, listSinceBlock, pollForPayments, request, _;

request = require("superagent");

_ = require("underscore-node");

config = require("" + __dirname + "/../config/config.js");

EventEmitter = require("events").EventEmitter;

if (process.env.NODE_ENV !== "production") {
  process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";
}

lastBlockHash = config.get("lastBlockHash");

listSinceBlock = function(block, callback) {
  return request.get(config.get('DOGECOIND_HOST') + block).auth("admin", config.get("DOGECOIND_API_KEY")).end(function(error, response) {
    var sorted;
    try {
      sorted = _.sortBy(response.body.received.transactions, function(transaction) {
        return transaction.blocktime;
      });
      return callback(null, sorted);
    } catch (_error) {
      error = _error;
      return callback(error, null);
    }
  });
};

listNextBlock = function(lastBlock, callback) {
  return listSinceBlock(lastBlock, function(error, transactions) {
    var nextBlock, nextBlockHash;
    if (!transactions || transactions.length === 0) {
      callback(error, null);
      return;
    }
    nextBlockHash = transactions[0].blockhash;
    nextBlock = _.filter(transactions, function(transaction) {
      return transaction.blockhash === nextBlockHash;
    });
    return callback(null, nextBlock);
  });
};

pollForPayments = function(callback) {
  return listNextBlock(config.get("lastBlockHash"), function(error, transactions) {
    if (error) {
      return callback(callback);
    } else if (transactions && transactions.length > 0) {
      if (transactions[0].blockhash) {
        emitter.emit("block", transactions);
        config.set("lastBlockHash", transactions[0].blockhash);
        config.save();
      }
      return callback(callback);
    } else {
      return callback(callback);
    }
  });
};

emitter = new EventEmitter();

emitter.on("block", function(transactions) {
  return transactions.forEach(function(transaction) {
    request.get(config.get("gatewaydDomain") + "/v1/external_accounts?name=" + transaction.address).auth(config.get("adminEmail"), config.get("apiKey")).end(function(error, response) {
      var externalAccount;
      if (error) {
        return console.log("error", error);
      } else if (response.body.external_accounts && response.body.external_accounts.length > 0) {
        externalAccount = response.body.external_accounts[0];
        return request.post(config.get("gatewaydDomain") + "/v1/deposits").auth(config.get("adminEmail"), config.get("apiKey")).send({
          external_account_id: externalAccount.id,
          currency: "DOG",
          amount: transaction.amount
        }).end(function(error, response) {
          if (error) {
            return console.log("error", error);
          } else {
            return console.log(response.body);
          }
        });
      } else {
        return console.log("no account found");
      }
    });
    return console.log(transaction);
  });
});

pollForPayments(pollForPayments);