Add blacklist functionality

lamassu-admin-elm/src/Transactions.elm

@@ -111,10 +111,10 @@ rowView tx =
                         [ C.CashIn ]
 
                 status =
-                    if isJust cashIn.error then
-                        "Error"
-                    else if cashIn.operatorCompleted then
+                    if cashIn.operatorCompleted then
                         "Cancelled"
+                    else if isJust cashIn.error then
+                        "Error"
                     else if cashIn.sendConfirmed then
                         "Sent"
                     else if cashIn.expired then

lib/blacklist.js

@@ -0,0 +1,11 @@
+const db = require('./db')
+
+function blocked (address, cryptoCode) {
+  const sql = `select * from blacklist where address = $1 and crypto_code = $2`
+  return db.oneOrNone(sql, [
+    address,
+    cryptoCode
+  ])
+}
+
+module.exports = { blocked }

lib/cash-in/cash-in-low.js

@@ -8,7 +8,7 @@ const E = require('../error')
 
 const PENDING_INTERVAL_MS = 60 * T.minutes
 
-const massage = _.flow(_.omit(['direction', 'cryptoNetwork', 'bills']),
+const massage = _.flow(_.omit(['direction', 'cryptoNetwork', 'bills', 'blacklisted']),
   convertBigNumFields, _.mapKeys(_.snakeCase))
 
 module.exports = {toObj, upsert, insert, update, massage, isClearToSend}

lib/cash-in/cash-in-tx.js

@@ -2,6 +2,7 @@ const _ = require('lodash/fp')
 const pgp = require('pg-promise')()
 const pEachSeries = require('p-each-series')
 
+const blacklist = require('../blacklist')
 const db = require('../db')
 const plugins = require('../plugins')
 const logger = require('../logger')
@@ -18,10 +19,16 @@ function post (machineTx, pi) {
   return db.tx(cashInAtomic.atomic(machineTx, pi))
     .then(r => {
       const updatedTx = r.tx
+      let blacklisted = false
 
-      return postProcess(r, pi)
+      return checkForBlacklisted(updatedTx)
+        .then(isBlacklisted => {
+          blacklisted = !!isBlacklisted
+          return postProcess(r, pi, blacklisted)
+        })
         .then(changes => cashInLow.update(db, updatedTx, changes))
         .then(tx => _.set('bills', machineTx.bills, tx))
+        .then(tx => _.set('blacklisted', blacklisted, tx))
     })
 }
 
@@ -51,7 +58,22 @@ function logActionById (action, _rec, txId) {
   return db.none(sql)
 }
 
-function postProcess (r, pi) {
+function checkForBlacklisted (tx) {
+  // Check only on addressScan and avoid testing for blacklist on every bill inserted
+  if (!tx.fiat || tx.fiat.isZero()) {
+    return blacklist.blocked(tx.toAddress, tx.cryptoCode)
+  }
+  return Promise.resolve(false)
+}
+
+function postProcess (r, pi, isBlacklisted) {
+  if (isBlacklisted) {
+    return Promise.resolve({
+      operatorCompleted: true,
+      error: 'Blacklisted Address'
+    })
+  }
+
   registerTrades(pi, r.newBills)
 
   if (!cashInLow.isClearToSend(r.dbTx, r.tx)) return Promise.resolve({})

migrations/1556582597515-blacklist.js

@@ -0,0 +1,17 @@
+var db = require('./db')
+
+exports.up = function (next) {
+  const sql =
+    [`create table blacklist (
+        crypto_code text not null,
+        address text not null,
+        unique (crypto_code, address)
+      )`
+    ]
+
+  db.multi(sql, next)
+}
+
+exports.down = function (next) {
+  next()
+}

public/elm.js

@@ -34172,7 +34172,7 @@ var _user$project$Transactions$rowView = function (tx) {
 	var _p2 = tx;
 	if (_p2.ctor === 'CashInTx') {
 		var _p3 = _p2._0;
-		var status = _elm_community$maybe_extra$Maybe_Extra$isJust(_p3.error) ? 'Error' : (_p3.operatorCompleted ? 'Cancelled' : (_p3.sendConfirmed ? 'Sent' : (_p3.expired ? 'Expired' : 'Pending')));
+		var status = _p3.operatorCompleted ? 'Cancelled' : (_elm_community$maybe_extra$Maybe_Extra$isJust(_p3.error) ? 'Error' : (_p3.sendConfirmed ? 'Sent' : (_p3.expired ? 'Expired' : 'Pending')));
 		var rowClasses = _p3.operatorCompleted ? {
 			ctor: '::',
 			_0: _user$project$Css_Classes$CashIn,