85 lines
3.7 KiB
JavaScript
85 lines
3.7 KiB
JavaScript
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const ERC20Receiver = require('Embark/contracts/ERC20Receiver');
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exports.config = {
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contracts : {
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"ERC20Receiver": {
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}
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}
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}
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exports.Test = (ERC20Token) => {
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describe("ERC20Token", function() {
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var accounts;
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before(function(done) {
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web3.eth.getAccounts().then(function (res) {
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accounts = res;
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done();
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});
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});
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it("should transfer 1 token", async function() {
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let initialBalance0 = await ERC20Token.methods.balanceOf(accounts[0]).call();
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let initialBalance1 = await ERC20Token.methods.balanceOf(accounts[1]).call();
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await ERC20Token.methods.transfer(accounts[1],1).send({from: accounts[0]});
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let result0 = await ERC20Token.methods.balanceOf(accounts[0]).call();
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let result1 = await ERC20Token.methods.balanceOf(accounts[1]).call();
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assert.equal(result0, +initialBalance0-1, "account 0 balance unexpected");
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assert.equal(result1, +initialBalance1+1, "account 1 balance unexpected");
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});
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it("should set approved amount", async function() {
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await ERC20Token.methods.approve(accounts[2],10000000).send({from: accounts[0]});
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let result = await ERC20Token.methods.allowance(accounts[0], accounts[2]).call();
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assert.equal(result, 10000000);
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});
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it("should consume allowance amount", async function() {
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let initialAllowance = await ERC20Token.methods.allowance(accounts[0], accounts[2]).call();
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await ERC20Token.methods.transferFrom(accounts[0], accounts[0],1).send({from: accounts[2]});
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let result = await ERC20Token.methods.allowance(accounts[0], accounts[2]).call();
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assert.equal(result, +initialAllowance-1);
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});
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it("should transfer approved amount", async function() {
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let initialBalance0 = await ERC20Token.methods.balanceOf(accounts[0]).call();
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let initialBalance1 = await ERC20Token.methods.balanceOf(accounts[1]).call();
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await ERC20Token.methods.transferFrom(accounts[0], accounts[1],1).send({from: accounts[2]});
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let result0 = await ERC20Token.methods.balanceOf(accounts[0]).call();
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let result1 = await ERC20Token.methods.balanceOf(accounts[1]).call();
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assert.equal(result0, +initialBalance0-1);
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assert.equal(result1, +initialBalance1+1);
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});
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it("should unset approved amount", async function() {
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await ERC20Token.methods.approve(accounts[2],0).send({from: accounts[0]});
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let result = await ERC20Token.methods.allowance(accounts[0], accounts[2]).call();
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assert.equal(result, 0);
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});
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it("should deposit approved amount to contract ERC20Receiver", async function() {
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//ERC20Receiver = await ERC20Receiver.deploy().send();
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//console.log(ERC20Receiver.address);
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await ERC20Token.methods.approve(ERC20Receiver.address, 10).send({from: accounts[0]});
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await ERC20Receiver.methods.depositToken(ERC20Token.address, 10).send({from: accounts[0]});
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let result = await ERC20Receiver.methods.tokenBalanceOf(ERC20Token.address, accounts[0]).call();
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assert.equal(result, 10, "ERC20Receiver.tokenBalanceOf("+ERC20Token.address+","+accounts[0]+") wrong");
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});
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it("should witdraw approved amount from contract ERC20Receiver", async function() {
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let tokenBalance = await ERC20Receiver.methods.tokenBalanceOf(ERC20Token.address, accounts[0]).call();
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await ERC20Receiver.methods.withdrawToken(ERC20Token.address, tokenBalance).send({from: accounts[0]});
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tokenBalance = await ERC20Receiver.methods.tokenBalanceOf(ERC20Token.address, accounts[0]).call();
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assert.equal(tokenBalance, 0, "ERC20Receiver.tokenBalanceOf("+ERC20Token.address+","+accounts[0]+") wrong");
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});
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//TODO: include checks for expected events fired
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});
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} |