586 lines
22 KiB
JavaScript
586 lines
22 KiB
JavaScript
'use strict';
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var assert = require('assert');
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var utils = require('./utils');
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var ethers = utils.getEthers(__filename);
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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.utils.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.utils.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((ethers.Contract.isIndexed(parsed[index]) && 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.utils.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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it('derives correct description for human-readable ABI', function() {
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var iface = new Interface([ "function transfer(address from, uint amount)" ]);
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[
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"transfer",
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"transfer(address,uint256)"
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].forEach(function(key) {
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var descr = iface.functions[key];
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assert.equal(descr.name, "transfer", "incorrect name key - " + key);
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assert.equal(descr.signature, "transfer(address,uint256)", "incorrect signature key - " + key);
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assert.equal(descr.sighash, "0xa9059cbb", "incorrect sighash key - " + key);
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});
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});
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// See: https://github.com/ethers-io/ethers.js/issues/370
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it ('parses transaction function', function() {
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var iface = new Interface([ "function transfer(address from, uint amount)" ]);
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// Transaction: 0x820cc57bc77be44d8f4f024a18e18f64a8b6e62a82a3d7897db5970dbe181ba1
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var rawTx = "0xf8aa028502540be4008316e36094334eec1482109bd802d9e72a447848de3bcc106380b844a9059cbb000000000000000000000000851b9167b7cbf772d38efaf89705b35022880a070000000000000000000000000000000000000000000000000de0b6b3a764000026a03200bf26e5f10f7eda59c0aad9adc2334dda79e785b9b004342524d97a66fca9a0450b07a4dc450bb472e08f8370350fa365fcef6db1a95309ae4c06c9d0748092";
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var tx = ethers.utils.parseTransaction(rawTx);
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var descr = iface.parseTransaction(tx);
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assert.equal(descr.args[0], '0x851b9167B7cbf772D38eFaf89705b35022880A07', 'parsed tx - args[0]');
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assert.equal(descr.args[1].toString(), '1000000000000000000', 'parsed tx - args[1]');
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assert.equal(descr.name, 'transfer', 'parsed tx - name');
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assert.equal(descr.signature, 'transfer(address,uint256)', 'parsed tx - signature');
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assert.equal(descr.sighash, '0xa9059cbb', 'parsed tx - sighash');
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assert.equal(descr.value.toString(), '0', 'parsed tx - value');
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});
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});
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describe('Test Number Coder', function() {
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var coder = ethers.utils.defaultAbiCoder;
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var bnify = ethers.utils.bigNumberify;
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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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var overflowAboveHex = '0x10000000000000000000000000000000000000000000000000000000000000000';
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var overflowBelowHex = '-0x10000000000000000000000000000000000000000000000000000000000000000';
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var maxHex = '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'
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var maxLessOneHex = '0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe'
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var maxSignedHex = '0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'
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var maxSignedLessOneHex = '0x7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe'
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var minSignedHex = '-0x8000000000000000000000000000000000000000000000000000000000000000'
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var minSignedHex2s = '0x8000000000000000000000000000000000000000000000000000000000000000'
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var minMoreOneSignedHex = '-0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff'
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var minMoreOneSignedHex2s = '0x8000000000000000000000000000000000000000000000000000000000000001'
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var zeroHex = '0x0000000000000000000000000000000000000000000000000000000000000000';
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var oneHex = '0x0000000000000000000000000000000000000000000000000000000000000001';
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it('encodes zero', function() {
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var ZeroValues = [
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{n: 'number zero', v: 0},
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{ n: 'hex zero', v: '0x0' },
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{ n: 'hex leading even length', v: '0x0000' },
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{ n: 'hex leading odd length', v: '0x00000' },
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{ n: 'BigNumber', v: ethers.constants.Zero }
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];
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var expected = zeroHex;
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['uint8', 'uint256', 'int8', 'int256'].forEach(function(type) {
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ZeroValues.forEach(function(value) {
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var result = coder.encode([ type ], [ value.v ]);
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assert.equal(result, expected, value.n + ' ' + type);
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});
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});
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});
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it('encodes one', function() {
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var ZeroValues = [
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{n: 'number', v: 1},
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{ n: 'hex', v: '0x1' },
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{ n: 'hex leading even length', v: '0x0001' },
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{ n: 'hex leading odd length', v: '0x00001' },
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{ n: 'BigNumber', v: ethers.constants.One }
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];
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var expected = oneHex;
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['uint8', 'uint256', 'int8', 'int256'].forEach(function(type) {
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ZeroValues.forEach(function(value) {
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var result = coder.encode([ type ], [ value.v ]);
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assert.equal(result, expected, value.n + ' ' + type);
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});
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});
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});
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it('encodes negative one', function() {
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var Values = [
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{n: 'number', v: -1},
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{ n: 'hex', v: '-0x1' },
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{ n: 'hex leading even length', v: '-0x0001' },
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{ n: 'hex leading odd length', v: '-0x00001' },
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{ n: 'BigNumber', v: ethers.constants.NegativeOne }
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];
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var expected = maxHex;
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['int8', 'int256'].forEach(function(type) {
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Values.forEach(function(value) {
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var result = coder.encode([ type ], [ value.v ]);
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assert.equal(result, expected, value.n + ' ' + type);
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});
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});
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});
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it('encodes full uint8 range', function() {
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for (var i = 0; i < 256; i++) {
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var expected = '0x00000000000000000000000000000000000000000000000000000000000000';
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expected += ethers.utils.hexlify(i).substring(2);
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var result = coder.encode([ 'uint8' ], [ i ]);
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assert.equal(result, expected, 'int8 ' + i);
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}
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});
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it('encodes full int8 range', function() {
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for (var i = -128; i < 128; i++) {
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var expected = null;
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if (i === -128) {
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expected = '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff80';
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} else if (i < 0) {
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expected = '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff';
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expected += ethers.utils.hexlify(256 + i).substring(2);
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} else {
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expected = '0x00000000000000000000000000000000000000000000000000000000000000';
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expected += ethers.utils.hexlify(i).substring(2);
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}
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var result = coder.encode([ 'int8' ], [ i ]);
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assert.equal(result, expected, 'int8 ' + i);
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}
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});
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it('encodes uint256 end range', function() {
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assert.equal(coder.encode([ 'uint256' ], [ bnify(maxHex) ]), maxHex, 'uint256 max');
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assert.equal(coder.encode([ 'uint256' ], [ bnify(maxLessOneHex) ]), maxLessOneHex, 'uint256 max');
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});
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it('encodes int256 end ranges', function() {
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assert.equal(coder.encode([ 'int256' ], [ bnify(maxSignedHex) ]), maxSignedHex, 'int256 max');
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assert.equal(coder.encode([ 'int256' ], [ bnify(maxSignedLessOneHex) ]), maxSignedLessOneHex, 'int256 max');
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assert.equal(coder.encode([ 'int256' ], [ bnify(minSignedHex) ]), minSignedHex2s, 'int256 max');
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assert.equal(coder.encode([ 'int256' ], [ bnify(minMoreOneSignedHex) ]), minMoreOneSignedHex2s, 'int256 max');
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});
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it('fails to encode out-of-range uint8', function() {
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[-128, -127, -2, -1, 256, 1000, bnify(maxHex), bnify(maxSignedHex).add(1), bnify(minSignedHex), bnify(overflowAboveHex), bnify(overflowBelowHex)].forEach(function(value) {
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assert.throws(function() {
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var result = coder.encode([ 'uint8' ], [ value ]);
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console.log('RESULT', value, result);
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}, function(error) {
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assert.equal(error.reason, 'invalid number value', 'wrong error');
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return true;
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}, 'out-of-range numbers throw an error');
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});
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});
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it('fails to encode out-of-range int8', function() {
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[-129, -130, -1000, 128, 129, 1000, bnify(maxHex), bnify(maxSignedHex).add(1), bnify(minSignedHex).sub(1), bnify(overflowAboveHex), bnify(overflowBelowHex)].forEach(function(value) {
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assert.throws(function() {
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var result = coder.encode([ 'int8' ], [ value ]);
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console.log('RESULT', value, result);
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}, function(error) {
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assert.equal(error.reason, 'invalid number value', 'wrong error');
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return true;
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}, 'out-of-range numbers throw an error');
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});
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});
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it('fails to encode out-of-range uint256', function() {
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[-128, -127, -2, -1, bnify(maxHex).add(1), bnify('-' + maxHex), bnify(overflowAboveHex), bnify(overflowBelowHex)].forEach(function(value) {
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assert.throws(function() {
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var result = coder.encode([ 'uint256' ], [ value ]);
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console.log('RESULT', value, result);
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}, function(error) {
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assert.equal(error.reason, 'invalid number value', 'wrong error');
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return true;
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}, 'out-of-range numbers throw an error');
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});
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});
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it('fails to encode out-of-range int256', function() {
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[bnify(maxHex), bnify(maxSignedHex).add(1), bnify(minSignedHex).sub(1), bnify(overflowAboveHex), bnify(overflowBelowHex)].forEach(function(value, index) {
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assert.throws(function() {
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var result = coder.encode([ 'int256' ], [ value ]);
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console.log('RESULT', index, value, result);
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}, function(error) {
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assert.equal(error.reason, 'invalid number value', 'wrong error');
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return true;
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}, 'out-of-range numbers throw an error');
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});
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});
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});
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describe('Test Fixed Bytes Coder', function() {
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var coder = ethers.utils.defaultAbiCoder;
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var bnify = ethers.utils.bigNumberify;
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var zeroHex = '0x0000000000000000000000000000000000000000000000000000000000000000';
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it('fails to encode out-of-range bytes4', function() {
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['0x', '0x00000', '0x000', zeroHex, '0x12345', '0x123456', '0x123', '0x12'].forEach(function(value, index) {
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assert.throws(function() {
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var result = coder.encode([ 'bytes4' ], [ value ]);
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console.log('RESULT', index, value, result);
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}, function(error) {
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assert.equal(error.reason, 'invalid bytes4 value', 'wrong error');
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return true;
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}, 'out-of-range fixed bytes throw an error');
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});
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});
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it('fails to encode out-of-range bytes32', function() {
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['0x', '0x00000', '0x000', '0x12345', '0x123456', (zeroHex + '0'), (zeroHex + '00')].forEach(function(value, index) {
|
|
assert.throws(function() {
|
|
var result = coder.encode([ 'bytes32' ], [ value ]);
|
|
console.log('RESULT', index, value, result);
|
|
}, function(error) {
|
|
assert.equal(error.reason, 'invalid bytes32 value', 'wrong error');
|
|
return true;
|
|
}, 'out-of-range fixed bytes throw an error');
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('Test Filters', function() {
|
|
// @TODO: Add a LOT more tests here
|
|
function doTest(test) {
|
|
it(test.name, function() {
|
|
var iface = new ethers.utils.Interface([ test.signature ]);
|
|
var eventDescription = iface.events[test.event];
|
|
var filter = eventDescription.encodeTopics(test.args);
|
|
assert.equal(filter.length, test.expected.length, 'filter length matches - ' + test.name);
|
|
filter.forEach(function(expected, index) {
|
|
assert.equal(expected, test.expected[index], 'signature topic matches - ' + index + ' - ' + test.name);
|
|
});
|
|
});
|
|
}
|
|
|
|
var Tests = [
|
|
|
|
// Skips null in non-indexed fields
|
|
// See: https://github.com/ethers-io/ethers.js/issues/305
|
|
{
|
|
name: "creates correct filters for null non-indexed fields",
|
|
|
|
args: [ null, 2, null, null ],
|
|
event: "LogSomething",
|
|
signature: "event LogSomething(int hup, int indexed two, bool three, address indexed four)",
|
|
|
|
expected: [
|
|
"0xf6b983969813047dce97b9ff8a48cfb0a13306eb2caae2ef186b280bc27491c8",
|
|
"0x0000000000000000000000000000000000000000000000000000000000000002"
|
|
]
|
|
},
|
|
|
|
// https://etherscan.io/tx/0x820cc57bc77be44d8f4f024a18e18f64a8b6e62a82a3d7897db5970dbe181ba1
|
|
{
|
|
name: "transfer filtering from",
|
|
|
|
args: [
|
|
"0x59DEa134510ebce4a0c7146595dc8A61Eb9D0D79"
|
|
],
|
|
event: "Transfer",
|
|
signature: "event Transfer(address indexed from, address indexed to, uint value)",
|
|
|
|
expected: [
|
|
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
|
|
"0x00000000000000000000000059dea134510ebce4a0c7146595dc8a61eb9d0d79"
|
|
]
|
|
},
|
|
{
|
|
name: "transfer filtering to",
|
|
|
|
args: [
|
|
null,
|
|
"0x851b9167B7cbf772D38eFaf89705b35022880A07"
|
|
],
|
|
event: "Transfer",
|
|
signature: "event Transfer(address indexed from, address indexed to, uint value)",
|
|
|
|
expected: [
|
|
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
|
|
null,
|
|
"0x000000000000000000000000851b9167b7cbf772d38efaf89705b35022880a07"
|
|
]
|
|
}
|
|
];
|
|
|
|
Tests.forEach(function(test) {
|
|
doTest(test);
|
|
});
|
|
});
|
|
|
|
describe('Test Solidity v0.6 ABI', function() {
|
|
|
|
var tests = [
|
|
{
|
|
inputs: [ ],
|
|
outputs: [ ],
|
|
stateMutability: "view",
|
|
type: "function",
|
|
name: "testView_call"
|
|
},
|
|
{
|
|
inputs: [ ],
|
|
outputs: [ ],
|
|
stateMutability: "pure",
|
|
type: "function",
|
|
name: "testPure_call"
|
|
},
|
|
{
|
|
inputs: [ ],
|
|
outputs: [ ],
|
|
stateMutability: "payable",
|
|
type: "function",
|
|
name: "testPayable_transaction"
|
|
},
|
|
{
|
|
inputs: [ ],
|
|
outputs: [ ],
|
|
stateMutability: "nonpayable",
|
|
type: "function",
|
|
name: "testNonpayable_transaction"
|
|
},
|
|
];
|
|
|
|
tests.forEach(function(test, index) {
|
|
var type = test.name.split("_")[1];
|
|
it(('generates fragment from ABI - ' + test.name.split("_")[0]), function() {
|
|
var iface = new ethers.utils.Interface(JSON.stringify([ test ]));
|
|
var func = iface.functions[test.name];
|
|
assert.equal(func.type, type, "matches type");
|
|
});
|
|
});
|
|
});
|