WIP lots of fixes
This commit is contained in:
Josh Harvey
parent
e4a4e556a2
commit
ad65869229
4 changed files with 89 additions and 49 deletions
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@ -5,13 +5,18 @@
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var pg = require('pg');
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var async = require('async');
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var util = require('util');
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var _ = require('lodash');
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var logger = require('./logger');
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var PG_ERRORS = {
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'23505': 'uniqueViolation'
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};
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function inspect(rec) {
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console.log(util.inspect(rec, {depth: null, colors: true}));
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}
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function isUniqueViolation(err) {
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return err.code === '23505';
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}
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var conString = null;
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@ -56,29 +61,29 @@ function connect(cb) {
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// logs inputted bill and overall tx status (if available)
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exports.recordBill = function recordBill(session, rec, cb) {
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var fields = [
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'id',
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'device_fingerprint',
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'currency_code',
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'to_address',
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'session_id',
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'device_time',
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'satoshis',
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'denomination'
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];
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var values = [
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rec.uuid,
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session.fingerprint,
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rec.currency,
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rec.toAddress,
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session.id,
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rec.deviceTime,
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rec.satoshis,
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rec.fiat
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];
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connect(function(err, client, done) {
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if (err) return cb(err);
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connect(function(cerr, client, done) {
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if (cerr) return cb(cerr);
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query(client, getInsertQuery('bills', fields), values, function(err) {
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done();
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// TODO: Handle unique violations more cleanly for idempotency
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@ -110,7 +115,7 @@ function query(client, queryStr, values, cb) {
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if (err) {
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console.log(queryStr);
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console.log(values);
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return cb(new Error(err));
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return cb(err);
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}
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cb(null, results);
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});
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@ -123,7 +128,11 @@ function silentQuery(client, queryStr, values, cb) {
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}
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client.query(queryStr, values, function(err) {
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if (err) cb(new Error(err));
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if (err) {
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console.log(queryStr);
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console.log(values);
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cb(err);
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}
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cb();
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});
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}
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@ -132,12 +141,13 @@ function silentQuery(client, queryStr, values, cb) {
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function billsAndTxs(client, session, cb) {
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var sessionId = session.id;
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var fingerprint = session.fingerprint;
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var billsQuery = 'SELECT SUM(denomination) as fiat, ' +
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'SUM(satoshis) AS satoshis ' +
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var billsQuery = 'SELECT COALESCE(SUM(denomination), 0) as fiat, ' +
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'COALESCE(SUM(satoshis), 0) AS satoshis ' +
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'FROM bills ' +
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'WHERE device_fingerprint=$1 AND session_id=$2';
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var billsValues = [fingerprint, sessionId];
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var txQuery = 'SELECT SUM(fiat) AS fiat, SUM(satoshis) AS satoshis ' +
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var txQuery = 'SELECT COALESCE(SUM(fiat), 0) AS fiat, ' +
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'COALESCE(SUM(satoshis), 0) AS satoshis ' +
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'FROM transactions ' +
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'WHERE device_fingerprint=$1 AND session_id=$2 AND stage=$3';
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var txValues = [fingerprint, sessionId, 'partial_request'];
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@ -236,7 +246,8 @@ function insertOutgoingCompleteTx(client, session, tx, cb) {
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function insertIncoming(client, session, tx, satoshis, fiat, stage, authority,
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cb) {
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insertTx(client, session, true, tx, satoshis, fiat, stage, authority, cb);
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var realSatoshis = satoshis || 0;
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insertTx(client, session, true, tx, realSatoshis, fiat, stage, authority, cb);
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}
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function insertOutgoing(client, session, tx, satoshis, fiat, stage, authority,
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@ -281,44 +292,46 @@ function insertTx(client, session, incoming, tx, satoshis, fiat, stage,
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});
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}
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function addPendingTx(client, session, incoming, currencyCode, toAddress, cb) {
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console.log('DEBUG5: %s', incoming);
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connect(function(err, client, done) {
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if (err) return cb(err);
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var fields = ['device_fingerprint', 'session_id', 'incoming',
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'currency_code', 'to_address'];
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var sql = getInsertQuery('pending_transactions', fields);
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var values = [session.fingerprint, session.id, incoming, currencyCode,
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toAddress];
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query(client, sql, values, function(_err) {
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done();
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function addPendingTx(client, session, incoming, currencyCode, toAddress,
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satoshis, cb) {
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var fields = ['device_fingerprint', 'session_id', 'incoming',
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'currency_code', 'to_address', 'satoshis'];
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var sql = getInsertQuery('pending_transactions', fields);
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var values = [session.fingerprint, session.id, incoming, currencyCode,
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toAddress, satoshis];
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query(client, sql, values, function(err) {
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// If pending tx already exists, do nothing
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if (_err && PG_ERRORS[_err.code] !== 'uniqueViolation')
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logger.error(err);
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// If pending tx already exists, do nothing
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if (err && !isUniqueViolation(err)) return cb(err);
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cb(_err);
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});
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cb();
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});
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}
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function buildOutgoingTx(client, session, tx, cb) {
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async.waterfall([
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async.apply(billsAndTxs, client, session),
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async.apply(insertOutgoingTx, client, session, tx)
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], cb);
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}
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// Calling function should only send bitcoins if result.satoshisToSend > 0
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exports.addOutgoingTx = function addOutgoingTx(session, tx, cb) {
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connect(function(err, client, done) {
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if (err) return cb(err);
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async.waterfall([
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async.apply(silentQuery, client, 'BEGIN', null),
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async.series([
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async.apply(silentQuery, client, 'BEGIN'),
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async.apply(insertOutgoingCompleteTx, client, session, tx),
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async.apply(removePendingTx, client, tx.sessionId),
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async.apply(billsAndTxs, client, session, tx.currencyCode),
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async.apply(insertOutgoingTx, client, session, tx),
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], function(err, satoshisToSend) {
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async.apply(removePendingTx, client, session),
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async.apply(buildOutgoingTx, client, session, tx)
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], function(err, results) {
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if (err) {
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rollback(client, done);
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return cb(err);
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}
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silentQuery(client, 'COMMIT', null, function() {
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silentQuery(client, 'COMMIT', function() {
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done();
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var satoshisToSend = results[3];
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cb(null, satoshisToSend);
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});
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});
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@ -369,14 +382,26 @@ exports.addIncomingTx = function addIncomingTx(session, tx, authority,
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});
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};
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exports.addOutgoingPending = function addOutgoingPending(session, currencyCode,
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toAddress, satoshis, cb) {
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connect(function(cerr, client, done) {
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if (cerr) return cb(cerr);
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addPendingTx(client, session, false, currencyCode, toAddress, satoshis,
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function(err) {
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done();
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cb(err);
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});
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});
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};
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exports.addInitialIncoming = function addInitialIncoming(session, tx, cb) {
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console.log('DEBUG1: %s', tx.currencyCode);
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connect(function(err, client, done) {
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if (err) return cb(err);
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async.waterfall([
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async.apply(silentQuery, client, 'BEGIN', null),
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async.apply(addPendingTx, client, session, true, tx.currencyCode,
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tx.toAddress),
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tx.toAddress, tx.satoshis),
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async.apply(insertIncoming, client, session, tx, tx.satoshis, tx.fiat,
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'initial_request', 'pending')
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], function(err) {
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@ -426,14 +451,15 @@ exports.dispenseStatus = function dispenseStatus(session, cb) {
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(results[1].rows[0].stage == 'deposit');
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if (!pending) return cb(null, null);
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var requiredSatoshis = results[0].rows[0].requiredSatoshis;
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var requestedTx = results[0].rows[0];
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var requiredSatoshis = requestedTx.requiredSatoshis;
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var lastTx = results[1].rows[0];
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// TODO: handle multiple deposits
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var status = (lastTx.satoshis < requiredSatoshis) ?
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'insufficientFunds' :
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lastTx.authority;
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cb(null, status);
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cb(null, {status: status, fiat: requestedTx.fiat});
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});
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});
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};
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@ -470,7 +496,6 @@ function insertDispense(client, session, tx, transactionId, counts, cb) {
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dispense1, reject1, count1, dispense2, reject2, count2,
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false, tx.error
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];
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console.dir(values); // DEBUG
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client.query(sql, values, cb);
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}
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@ -489,3 +514,14 @@ exports.addDispense = function addDispense(session, tx) {
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});
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});
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};
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/*
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exports.init('postgres://lamassu:lamassu@localhost/lamassu');
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connect(function(err, client, done) {
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var sql = 'select * from transactions where id=$1';
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query(client, sql, [130], function(_err, results) {
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done();
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console.dir(results.rows[0]);
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});
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});
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*/
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