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Move multisend tool and add solidity test (iotexproject#1023)
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‎tools/multisend/contracts/Migrations.sol

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pragma solidity >=0.4.21 <0.6.0;
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contract Migrations {
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address public owner;
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uint public last_completed_migration;
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constructor() public {
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owner = msg.sender;
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}
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modifier restricted() {
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if (msg.sender == owner) _;
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}
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function setCompleted(uint completed) public restricted {
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last_completed_migration = completed;
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}
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function upgrade(address new_address) public restricted {
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Migrations upgraded = Migrations(new_address);
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upgraded.setCompleted(last_completed_migration);
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}
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}

‎cli/tools/multisend/multisend.sol renamed to ‎tools/multisend/contracts/multisend.sol

File renamed without changes.

‎tools/multisend/migrations/1_initial_migration.js

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const Migrations = artifacts.require("Migrations");
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module.exports = function(deployer) {
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deployer.deploy(Migrations);
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};

‎cli/tools/multisend/multisend.go renamed to ‎tools/multisend/multisend.go

File renamed without changes.

‎tools/multisend/test/Multisend.test.js

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const Multisend = artifacts.require('Multisend.sol');
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contract('Multisend', function (accounts) {
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beforeEach(async function(){
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this.multisend = await Multisend.new();
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})
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describe('multisend',function(){
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let recipients1 = ["0x709b248f7B839078724B4E40904fBD7B694ba1Dc", "0xB9b727B4B37157103541FAeF8E8A48451d7aC18D"];
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let recipients2 = ["0xB9b727B4B37157103541FAeF8E8A48451d7aC18D", "0xB9b727B4B37157103541FAeF8E8A48451d7aC18D"];
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let recipients3 = [];
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for (let i = 1; i <= 301; i++) {
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recipients3.push("0xB9b727B4B37157103541FAeF8E8A48451d7aC18D");
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}
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let amounts1 = [100, 200];
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let amounts2 = [];
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for (let i = 1; i <= 301; i++) {
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amounts2.push(i+1);
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}
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let amounts3 = [100, 0]
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let payload1 = "";
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let payload2 = "testPayload";
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let wrongRecipients1 = ["0x709b248f7B839078724B4E40904fBD7B694ba1Dc",
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"0xB9b727B4B37157103541FAeF8E8A48451d7aC18D", "0xB9b727B4B37157103541FAeF8E8A48451d7aC18D"];
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let wrongRecipients2 = ["0xB9b727B4B37157103541FAeF8E8A48451d7aC18C", "0xB9b727B4B37157103541FAeF8E8A48451d7aC18D"];
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let wrongAmounts1 = [100, 200, 400];
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let wrongAmounts2 = [100, -200];
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let emptyArray = [];
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let tx;
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it('should emit two Transfer events and one payload event', async function(){
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tx = await this.multisend.multiSend(recipients1, amounts1, payload1, { from: accounts[0], value: 300 });
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const { logs } = tx;
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assert.equal(logs.length, 3);
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for (let i = 0; i < 2; i++){
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assert.equal(logs[i].event,'Transfer');
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assert.equal(logs[i].args.recipient, recipients1[i]);
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assert.equal(logs[i].args.amount, amounts1[i]);
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}
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assert.equal(logs[2].event,'Payload');
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assert.equal(logs[2].args.payload, payload1);
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})
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it('should emit two Transfer events and one payload event', async function(){
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tx = await this.multisend.multiSend(recipients2, amounts1, payload2, { from: accounts[0], value: 300 });
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const { logs } = tx;
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assert.equal(logs.length, 3);
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for (let i = 0; i < 2; i++){
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assert.equal(logs[i].event,'Transfer');
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assert.equal(logs[i].args.recipient, recipients2[i]);
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assert.equal(logs[i].args.amount, amounts1[i]);
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}
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assert.equal(logs[2].event,'Payload');
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assert.equal(logs[2].args.payload, payload2);
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})
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it('should emit two Transfer events and one payload event', async function(){
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tx = await this.multisend.multiSend(recipients2, amounts3, payload2, { from: accounts[0], value: 100 });
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const { logs } = tx;
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assert.equal(logs.length, 3);
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for (let i = 0; i < 2; i++){
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assert.equal(logs[i].event,'Transfer');
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assert.equal(logs[i].args.recipient, recipients2[i]);
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assert.equal(logs[i].args.amount, amounts3[i]);
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}
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assert.equal(logs[2].event,'Payload');
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assert.equal(logs[2].args.payload, payload2);
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})
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it('should emit two Transfer events and one Rufund event and one payload event', async function(){
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tx = await this.multisend.multiSend(recipients1, amounts1, payload2, { from: accounts[0], value: 315 });
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const { logs } = tx;
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assert.equal(logs.length, 4);
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for (let i = 0; i < 2; i++){
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assert.equal(logs[i].event,'Transfer');
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assert.equal(logs[i].args.recipient, recipients1[i]);
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assert.equal(logs[i].args.amount, amounts1[i]);
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}
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assert.equal(logs[2].event,'Refund');
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assert.equal(logs[2].args.refund, 15);
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assert.equal(logs[3].event,'Payload');
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assert.equal(logs[3].args.payload, payload2);
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})
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it('failed due to not enougn token', async function(){
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let Error;
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try {
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await this.multisend.multiSend(recipients1, amounts1, payload2, { from: accounts[0], value: 215 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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assert.isAbove(Error.message.search('not enough token'), -1);
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})
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it('failed due to more recipients', async function(){
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let Error;
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try {
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await this.multisend.multiSend(wrongRecipients1, amounts1, payload2, { from: accounts[0], value: 300 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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assert.isAbove(Error.message.search('parameters not match'), -1);
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})
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it('failed due to more amounts', async function(){
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let Error;
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try {
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await this.multisend.multiSend(recipients1, wrongAmounts1, payload2, { from: accounts[0], value: 300 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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assert.isAbove(Error.message.search('parameters not match'), -1);
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})
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it('failed due to invalid recipient', async function(){
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let Error;
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try {
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await this.multisend.multiSend(wrongRecipients2, amounts1, payload2, { from: accounts[0], value: 300 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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})
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it('failed due to invalid amounts', async function(){
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let Error;
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try {
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await this.multisend.multiSend(recipients1, wrongAmounts2, payload2, { from: accounts[0], value: 300 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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})
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it('failed due to empty recipients', async function(){
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let Error;
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try {
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await this.multisend.multiSend(emptyArray, amounts1, payload2, { from: accounts[0], value: 300 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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assert.isAbove(Error.message.search('parameters not match'), -1);
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})
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it('failed due to empty amounts', async function(){
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let Error;
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try {
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await this.multisend.multiSend(recipients1, emptyArray, payload2, { from: accounts[0], value: 300 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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assert.isAbove(Error.message.search('parameters not match'), -1);
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})
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it('failed due to too many recipients', async function(){
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let Error;
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try {
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await this.multisend.multiSend(recipients3, amounts2, payload2, { from: accounts[0], value: 300000 });
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assert.fail();
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} catch (error) {
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Error = error;
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}
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assert.notEqual(Error, undefined, 'Exception thrown');
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assert.isAbove(Error.message.search('number of recipients is larger than 300'), -1);
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})
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})
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})

‎tools/multisend/truffle-config.js

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/**
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* Use this file to configure your truffle project. It's seeded with some
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* common settings for different networks and features like migrations,
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* compilation and testing. Uncomment the ones you need or modify
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* them to suit your project as necessary.
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*
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* More information about configuration can be found at:
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*
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* truffleframework.com/docs/advanced/configuration
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*
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* To deploy via Infura you'll need a wallet provider (like truffle-hdwallet-provider)
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* to sign your transactions before they're sent to a remote public node. Infura API
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* keys are available for free at: infura.io/register
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*
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* You'll also need a mnemonic - the twelve word phrase the wallet uses to generate
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* public/private key pairs. If you're publishing your code to GitHub make sure you load this
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* phrase from a file you've .gitignored so it doesn't accidentally become public.
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*
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*/
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// const HDWalletProvider = require('truffle-hdwallet-provider');
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// const infuraKey = "fj4jll3k.....";
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//
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// const fs = require('fs');
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// const mnemonic = fs.readFileSync(".secret").toString().trim();
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module.exports = {
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/**
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* Networks define how you connect to your ethereum client and let you set the
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* defaults web3 uses to send transactions. If you don't specify one truffle
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* will spin up a development blockchain for you on port 9545 when you
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* run `develop` or `test`. You can ask a truffle command to use a specific
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* network from the command line, e.g
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*
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* $ truffle test --network <network-name>
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*/
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networks: {
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// Useful for testing. The `development` name is special - truffle uses it by default
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// if it's defined here and no other network is specified at the command line.
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// You should run a client (like ganache-cli, geth or parity) in a separate terminal
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// tab if you use this network and you must also set the `host`, `port` and `network_id`
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// options below to some value.
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//
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// development: {
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// host: "127.0.0.1", // Localhost (default: none)
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// port: 8545, // Standard Ethereum port (default: none)
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// network_id: "*", // Any network (default: none)
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// },
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// Another network with more advanced options...
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// advanced: {
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// port: 8777, // Custom port
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// network_id: 1342, // Custom network
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// gas: 8500000, // Gas sent with each transaction (default: ~6700000)
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// gasPrice: 20000000000, // 20 gwei (in wei) (default: 100 gwei)
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// from: <address>, // Account to send txs from (default: accounts[0])
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// websockets: true // Enable EventEmitter interface for web3 (default: false)
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// },
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// Useful for deploying to a public network.
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// NB: It's important to wrap the provider as a function.
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// ropsten: {
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// provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/${infuraKey}`),
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// network_id: 3, // Ropsten's id
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// gas: 5500000, // Ropsten has a lower block limit than mainnet
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// confirmations: 2, // # of confs to wait between deployments. (default: 0)
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// timeoutBlocks: 200, // # of blocks before a deployment times out (minimum/default: 50)
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// skipDryRun: true // Skip dry run before migrations? (default: false for public nets )
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// },
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// Useful for private networks
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// private: {
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// provider: () => new HDWalletProvider(mnemonic, `https://network.io`),
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// network_id: 2111, // This network is yours, in the cloud.
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// production: true // Treats this network as if it was a public net. (default: false)
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// }
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},
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// Set default mocha options here, use special reporters etc.
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mocha: {
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// timeout: 100000
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},
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// Configure your compilers
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compilers: {
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solc: {
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version: "0.4.24", // Fetch exact version from solc-bin (default: truffle's version)
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// docker: true, // Use "0.5.1" you've installed locally with docker (default: false)
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// settings: { // See the solidity docs for advice about optimization and evmVersion
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// optimizer: {
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// enabled: false,
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// runs: 200
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// },
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// evmVersion: "byzantium"
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// }
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}
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}
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}

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