255 lines
8.4 KiB
JavaScript
255 lines
8.4 KiB
JavaScript
'use strict';
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var assert = require('assert');
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if (global.ethers) {
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console.log('Using global ethers; ' + __filename);
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var ethers = global.ethers;
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} else {
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var ethers = require('..');
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}
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var utils = require('./utils');
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function equals(actual, expected) {
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// Array (treat recursively)
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if (Array.isArray(actual)) {
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if (!Array.isArray(expected) || actual.length !== expected.length) { return false; }
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for (var i = 0; i < actual.length; i++) {
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if (!equals(actual[i], expected[i])) { return false; }
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}
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return true;
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}
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if (typeof(actual) === 'number') { actual = utils.bigNumberify(actual); }
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if (typeof(expected) === 'number') { expected = utils.bigNumberify(expected); }
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// BigNumber
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if (actual.eq) {
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if (typeof(expected) === 'string' && expected.match(/^-?0x[0-9A-Fa-f]*$/)) {
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var neg = (expected.substring(0, 1) === '-');
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if (neg) { expected = expected.substring(1); }
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expected = utils.bigNumberify(expected);
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if (neg) { expected = expected.mul(-1); }
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}
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if (!actual.eq(expected)) { return false; }
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return true;
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}
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// Uint8Array
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if (expected.buffer) {
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if (!utils.isHexString(actual)) { return false; }
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actual = utils.arrayify(actual);
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if (!actual.buffer || actual.length !== expected.length) { return false; }
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for (var i = 0; i < actual.length; i++) {
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if (actual[i] !== expected[i]) { return false; }
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}
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return true;
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}
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// Maybe address?
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try {
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var actualAddress = ethers.utils.getAddress(actual);
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var expectedAddress = ethers.utils.getAddress(expected);
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return (actualAddress === expectedAddress);
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} catch (error) { }
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// Something else
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return (actual === expected);
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}
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function getValues(object, format, named) {
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if (Array.isArray(object)) {
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var result = [];
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object.forEach(function(object) {
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result.push(getValues(object, format, named));
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});
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return result;
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}
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switch (object.type) {
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case 'number':
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return utils.bigNumberify(object.value);
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case 'boolean':
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case 'string':
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return object.value;
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case 'buffer':
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return utils.arrayify(object.value);
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case 'tuple':
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var result = getValues(object.value, format, named);
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if (named) {
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var namedResult = {};
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result.forEach(function(value, index) {
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namedResult['r' + String(index)] = value;
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});
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return namedResult;
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}
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return result;
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default:
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throw new Error('invalid type - ' + object.type);
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}
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}
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describe('ABI Coder Encoding', function() {
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var coder = ethers.utils.defaultAbiCoder;
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var tests = utils.loadTests('contract-interface');
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tests.forEach(function(test) {
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var values = getValues(JSON.parse(test.normalizedValues));
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var types = JSON.parse(test.types);
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var result = test.result;
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var title = test.name + ' => (' + test.types + ') = (' + test.normalizedValues + ')';
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it(('encodes paramters - ' + test.name + ' - ' + test.types), function() {
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this.timeout(120000);
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var encoded = coder.encode(types, values);
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assert.equal(encoded, result, 'encoded data - ' + title);
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});
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});
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});
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describe('ABI Coder Decoding', function() {
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var coder = ethers.utils.defaultAbiCoder;
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var tests = utils.loadTests('contract-interface');
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tests.forEach(function(test) {
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var values = getValues(JSON.parse(test.normalizedValues));
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var types = JSON.parse(test.types);
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var result = test.result;
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var title = test.name + ' => (' + test.types + ') = (' + test.normalizedValues + ')';
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it(('decodes parameters - ' + test.name + ' - ' + test.types), function() {
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this.timeout(120000);
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var decoded = coder.decode(types, result);
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assert.ok(equals(decoded, values), 'decoded parameters - ' + title);
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});
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});
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});
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describe('ABI Coder ABIv2 Encoding', function() {
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var coder = ethers.utils.defaultAbiCoder;
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var tests = utils.loadTests('contract-interface-abi2');
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tests.forEach(function(test) {
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var values = getValues(JSON.parse(test.values));
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var namedValues = getValues(JSON.parse(test.values), undefined, true);
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var types = JSON.parse(test.types);
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var expected = test.result;
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var title = test.name + ' => (' + test.types + ') = (' + test.value + ')';
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it(('encodes ABIv2 parameters - ' + test.name + ' - ' + test.types), function() {
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this.timeout(120000);
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var encoded = coder.encode(types, values);
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assert.equal(encoded, expected, 'encoded positional parameters - ' + title);
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var namedEncoded = coder.encode(types, values);
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assert.equal(namedEncoded, expected, 'encoded named parameters - ' + title);
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});
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});
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});
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describe('ABI Coder ABIv2 Decoding', function() {
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var coder = ethers.utils.defaultAbiCoder;
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var tests = utils.loadTests('contract-interface-abi2');
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tests.forEach(function(test) {
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var values = getValues(JSON.parse(test.values));
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var types = JSON.parse(test.types);
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var result = test.result;
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var title = test.name + ' => (' + test.types + ') = (' + test.values + ')';
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it(('decodes ABIv2 parameters - ' + test.name + ' - ' + test.types), function() {
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this.timeout(120000);
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var decoded = coder.decode(types, result);
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assert.ok(equals(decoded, values), 'decoded positional parameters - ' + title);
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});
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});
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});
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describe('Test Contract Events', function() {
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var tests = utils.loadTests('contract-events');
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tests.forEach(function(test, index) {
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it(('decodes event parameters - ' + test.name + ' - ' + test.types), function() {
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this.timeout(120000);
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var contract = new ethers.Interface(test.interface);
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var event = contract.events.testEvent;
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var parsed = event.decode(test.data, test.topics);
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test.normalizedValues.forEach(function(expected, index) {
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if (test.hashed[index]) {
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assert.ok(equals(parsed[index].hash, expected), 'parsed event indexed parameter matches - ' + index);
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} else {
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assert.ok(equals(parsed[index], expected), 'parsed event parameter matches - ' + index);
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}
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});
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});
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});
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tests.forEach(function(test, index) {
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it(('decodes event data - ' + test.name + ' - ' + test.types), function() {
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this.timeout(120000);
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var contract = new ethers.Interface(test.interface);
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var event = contract.events.testEvent;
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var parsed = event.decode(test.data);
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test.normalizedValues.forEach(function(expected, index) {
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if (test.indexed[index]) {
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assert.ok((parsed[index] instanceof ethers.types.Indexed && parsed[index].hash == null), 'parsed event data has empty Indexed - ' + index);
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} else {
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assert.ok(equals(parsed[index], expected), 'parsed event data matches - ' + index);
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}
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});
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});
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});
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});
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describe('Test Interface Signatures', function() {
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var Interface = ethers.Interface;
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var tests = utils.loadTests('contract-signatures');
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tests.forEach(function(test) {
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var contract = new Interface(test.abi);
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it('derives the correct signature - ' + test.name, function() {
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this.timeout(120000);
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assert.equal(contract.functions.testSig.signature, test.signature,
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'derived the correct signature');
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assert.equal(contract.functions.testSig.sighash, test.sigHash,
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'derived the correct signature hash');
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})
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});
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});
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describe('Test Invalid Input', function() {
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var coder = ethers.utils.defaultAbiCoder;
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it('null input failed', function() {
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this.timeout(120000);
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assert.throws(function() {
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var result = coder.decode([ 'bool' ], '0x');
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console.log(result);
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}, function(error) {
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assert.equal(error.reason, 'insufficient data for boolean type', 'got invalid bool');
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return true;
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}, 'null bytes throws an error');
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});
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});
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