82 lines
3.7 KiB
JavaScript
82 lines
3.7 KiB
JavaScript
describe("ERC20Token", async function() {
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this.timeout(0);
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var ERC20Token;
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var accountsArr;
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before(function(done) {
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this.timeout(0);
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var contractsConfig = {
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"TestToken": { },
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"ERC20Receiver": { }
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};
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EmbarkSpec.deployAll(contractsConfig, async function(accounts) {
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ERC20Token = TestToken;
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accountsArr = accounts;
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for(i=0;i<accountsArr.length;i++){
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await ERC20Token.methods.mint(7 * 10 ^ 18).send({from: accountsArr[i]})
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}
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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(accountsArr[0]).call();
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let initialBalance1 = await ERC20Token.methods.balanceOf(accountsArr[1]).call();
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await ERC20Token.methods.transfer(accountsArr[1],1).send({from: accountsArr[0]});
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let result0 = await ERC20Token.methods.balanceOf(accountsArr[0]).call();
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let result1 = await ERC20Token.methods.balanceOf(accountsArr[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 set approved amount", async function() {
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await ERC20Token.methods.approve(accountsArr[2],10000000).send({from: accountsArr[0]});
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let result = await ERC20Token.methods.allowance(accountsArr[0], accountsArr[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(accountsArr[0], accountsArr[2]).call();
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await ERC20Token.methods.transferFrom(accountsArr[0], accountsArr[0],1).send({from: accountsArr[2]});
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let result = await ERC20Token.methods.allowance(accountsArr[0], accountsArr[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(accountsArr[0]).call();
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let initialBalance1 = await ERC20Token.methods.balanceOf(accountsArr[1]).call();
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await ERC20Token.methods.transferFrom(accountsArr[0], accountsArr[1],1).send({from: accountsArr[2]});
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let result0 = await ERC20Token.methods.balanceOf(accountsArr[0]).call();
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let result1 = await ERC20Token.methods.balanceOf(accountsArr[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(accountsArr[2],0).send({from: accountsArr[0]});
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let result = await ERC20Token.methods.allowance(accountsArr[0], accountsArr[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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await ERC20Token.methods.approve(ERC20Receiver.address,10).send({from: accountsArr[0]});
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await ERC20Receiver.methods.depositToken(ERC20Token.address).send({from: accountsArr[0]});
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let result = await ERC20Receiver.methods.tokenBalanceOf(ERC20Token.address, accountsArr[0]).call();
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assert.equal(result, 10, "ERC20Receiver.tokenBalanceOf("+ERC20Token.address+","+accountsArr[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, accountsArr[0]).call();
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await ERC20Receiver.methods.withdrawToken(ERC20Token.address, tokenBalance).send({from: accountsArr[0]});
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tokenBalance = await ERC20Receiver.methods.tokenBalanceOf(ERC20Token.address, accountsArr[0]).call();
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assert.equal(tokenBalance, 0, "ERC20Receiver.tokenBalanceOf("+ERC20Token.address+","+accountsArr[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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