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fix some db bugs; clean up debugging

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This commit is contained in:
Josh Harvey 2014-12-10 16:34:06 -05:00
parent 52a5bbd3de
commit 22f332aa7b
1 changed files with 39 additions and 22 deletions
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41
lib/postgresql_interface.js
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@ -21,10 +21,13 @@ function isUniqueViolation(err) {
return err.code === '23505';
}
function isLowSeverity(err) {
return isUniqueViolation(err) || err.severity === 'low';
}
var conString = null;
function rollback(client, done) {
logger.warn('Rolling back transaction.');
client.query('ROLLBACK', function(err) {
return done(err);
});
@ -89,9 +92,10 @@ exports.recordBill = function recordBill(session, rec, cb) {
if (cerr) return cb(cerr);
query(client, getInsertQuery('bills', fields, false), values, function(err) {
done();
// TODO: Handle unique violations more cleanly for idempotency
// Now, it just returns an error, which should be fine, but a 204 status
// would be nicer.
if (err && isUniqueViolation(err)) {
logger.warn('Attempt to report bill twice');
return cb();
}
cb(err);
});
});
@ -116,8 +120,10 @@ function query(client, queryStr, values, cb) {
client.query(queryStr, values, function(err, results) {
if (err) {
if (!isLowSeverity(err)) {
console.log(queryStr);
console.log(values);
}
return cb(err);
}
cb(null, results);
@ -132,8 +138,10 @@ function silentQuery(client, queryStr, values, cb) {
client.query(queryStr, values, function(err) {
if (err) {
if (!isLowSeverity(err)) {
console.log(queryStr);
console.log(values);
}
cb(err);
}
cb();
@ -328,7 +336,13 @@ function insertTx(client, session, incoming, tx, satoshis, fiat, stage,
function refreshPendingTx(client, session, cb) {
var sql = 'UPDATE pending_transactions SET updated=now() ' +
'WHERE device_fingerprint=$1 AND session_id=$2';
query(client, sql, [session.fingerprint, session.id], cb);
connect(function(cerr, client, done) {
if (cerr) return cb(cerr);
query(client, sql, [session.fingerprint, session.id], function(err) {
done(err);
cb(err);
});
});
}
function addPendingTx(client, session, incoming, currencyCode, toAddress,
@ -339,12 +353,7 @@ function addPendingTx(client, session, incoming, currencyCode, toAddress,
var values = [session.fingerprint, session.id, incoming, currencyCode,
toAddress, satoshis];
query(client, sql, values, function(err) {
if (err && isUniqueViolation(err)) {
return refreshPendingTx(client, session, cb);
}
if (err) return cb(err);
cb();
cb(err);
});
}
@ -441,6 +450,7 @@ function ensureNotFinal(client, session, cb) {
if (results.rows.length > 0) {
error = new Error('Final request already exists');
error.name = 'staleBill';
error.severity = 'low';
return cb(error);
}
cb();
@ -459,13 +469,20 @@ exports.addOutgoingPending = function addOutgoingPending(session, currencyCode,
0)
], function(err) {
if (err) {
rollback(client, done);
return rollback(client, function(rberr) {
done(rberr);
if (isUniqueViolation(err)) {
// Pending tx exists, refresh it.
return refreshPendingTx(client, session, cb);
}
if (err.name === 'staleBill') {
logger.info('Received a bill insert after send coins request');
return cb();
}
logger.error(err);
return cb(err);
});
}
silentQuery(client, 'COMMIT', null, function() {
done();