Frontend Review MCP

var assert = require('assert') var validate = require('../lib/validator') var networks = require('bitcoinjs-lib').networks describe('validator', function(){ describe('preCreateTx', function(){ var network = networks.testnet describe('destination address validation', function(){ var value = 1000 it('catches invalid address', function(){ assert.throws(function(){ validate.preCreateTx('123', value, network) }, function(e) { assert.equal(e.message, 'Invalid address') assert.equal(e.details, 'Invalid checksum') return true }) }) it('catches address with the wrong version', function(){ assert.throws(function(){ validate.preCreateTx('LNjYu1akN22USK3sUrSuJn5WoLMKX5Az9B', value, network) }, function(e) { assert.equal(e.message, 'Invalid address') assert.equal(e.details, 'Invalid address version prefix') return true }) }) it('allows valid pubKeyHash address', function(){ assert.doesNotThrow(function() { validate.preCreateTx('mmGUSgaP7E8ig34MG2w1HzVjgwbqJoRQQu', value, network) }) }) it('allows valid p2sh address', function(){ assert.doesNotThrow(function() { validate.preCreateTx('2MvR3wixpB1usCNRugN6ufwxfT4GEFxoRhQ', value, network) }) }) }) describe('when value is below dust threshold', function(){ it('throws an error', function(){ assert.throws(function() { validate.preCreateTx('mmGUSgaP7E8ig34MG2w1HzVjgwbqJoRQQu', 546, network) }, function(e) { assert.equal(e.message, "Invalid value") assert.equal(e.details, "Not above dust threshold") assert.equal(e.dustThreshold, 546) return true }) }) }) }) describe('postCreateTx', function(){ describe('when there is not enough money', function(){ it('throws an error', function(){ assert.throws(function() { validate.postCreateTx(1420000, 1410000, 1410000, 2260) }, function(e) { assert.equal(e.message, "Insufficient funds") assert.equal(e.details, null) return true }) }) it('when the total balance including zero conf is enough to meet the amount, it populates the error details field', function(){ assert.throws(function() { validate.postCreateTx(1410001, 1410000, 1420001, 2260) }, function(e) { assert.equal(e.message, "Insufficient funds") assert.equal(e.details, "Additional funds confirmation pending") return true }) }) it('when value is close to unconfirmed balance, it populates the error details field', function(){ assert.throws(function() { validate.postCreateTx(1420000, 1410000, 1420001, 2260) }, function(e) { assert.equal(e.message, "Insufficient funds") assert.equal(e.details, "Attempt to empty wallet") return true }) }) }) }) describe('utxos', function(){ it('throws an error when it is not an array', function(){ assert.throws(function() { validate.utxos({}) }) assert.throws(function() { validate.utxos(1) }) assert.throws(function() { validate.utxos('foobar') }) }); ['txId', 'address', 'value', 'vout', 'confirmations'].forEach(function(field){ describe('when ' + field + ' is missing', function(){ it('throws an error', function(){ assert.throws(function() { var utxo = getUtxo() delete utxo[field] validate.utxos([utxo]) }, function(e) { var expectedMessage = field + " field" assert(e.message.indexOf(expectedMessage) > 0, "expect error message to contain: " + expectedMessage + ", but got: " + e.message) return true }) }) }) }) function getUtxo() { return { txId: '121954538a10eb7a59e319745b97302c2cf6ce1e159fe0de17f6038963a68fac', address: '1Ao9jfhQgsfHT97qsQ3GDnQ9czJnFaXNyw', value: 378340414, vout: 0 } } }) })