feat: create blacklist page

lib/blacklist.js

@@ -1,22 +1,52 @@
 const db = require('./db')
 
-function blocked (address, cryptoCode) {
-  const sql = `select * from blacklist where address = $1 and crypto_code = $2`
-  return db.any(sql, [
-    address,
-    cryptoCode
-  ])
+// Get all blacklist rows from the DB "blacklist" table
+const getBlacklist = () => {
+  return db.any('select * from blacklist').then(res =>
+    res.map(item => ({
+      cryptoCode: item.crypto_code,
+      address: item.address,
+      createdByOperator: item.created_by_operator
+    }))
+  )
 }
 
-function addToUsedAddresses (address, cryptoCode) {
+// Delete row from blacklist table by crypto code and address
+const deleteFromBlacklist = (cryptoCode, address) => {
+  return db.none(
+    'delete from blacklist where crypto_code = $1 and address = $2;',
+    [cryptoCode, address]
+  )
+}
+
+const insertIntoBlacklist = (cryptoCode, address) => {
+  return db
+    .any(
+      'insert into blacklist(crypto_code, address, created_by_operator) values($1, $2, $3);',
+      [cryptoCode, address, true]
+    )
+    .then(() => {
+      return { cryptoCode, address }
+    })
+}
+
+function blocked(address, cryptoCode) {
+  const sql = `select * from blacklist where address = $1 and crypto_code = $2`
+  return db.any(sql, [address, cryptoCode])
+}
+
+function addToUsedAddresses(address, cryptoCode) {
   // ETH reuses addresses
   if (cryptoCode === 'ETH') return Promise.resolve()
 
   const sql = `insert into blacklist(crypto_code, address, created_by_operator) values ($1, $2, 'f')`
-  return db.oneOrNone(sql, [
-    cryptoCode,
-    address
-  ])
+  return db.oneOrNone(sql, [cryptoCode, address])
 }
 
-module.exports = { blocked, addToUsedAddresses }
+module.exports = {
+  blocked,
+  addToUsedAddresses,
+  getBlacklist,
+  deleteFromBlacklist,
+  insertIntoBlacklist
+}