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Add increase and decrease approval functions to ERC827 with tests

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This commit is contained in:
AugustoL
2018-01-15 20:56:25 -03:00
parent e911b4d556
commit 685d2087ca
2 changed files with 101 additions and 1 deletions
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58
test/ERC827Token.js
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@ -94,7 +94,13 @@ contract('ERC827 Token', function (accounts) {
});
it('should increase by 50 then decrease by 10', async function () {
await token.increaseApproval(accounts[1], 50);
const abiMethod = findMethod(token.abi, 'increaseApproval', 'address,uint256');
const increaseApprovalData = ethjsABI.encodeMethod(abiMethod,
[accounts[1], 50]
);
await token.sendTransaction(
{ from: accounts[0], data: increaseApprovalData }
);
let postIncrease = await token.allowance(accounts[0], accounts[1]);
preApproved.plus(50).should.be.bignumber.equal(postIncrease);
await token.decreaseApproval(accounts[1], 10);
@ -168,6 +174,56 @@ contract('ERC827 Token', function (accounts) {
);
});
it(
'should return correct allowance after increaseApproval (with data) and show the event on receiver contract'
, async function () {
const message = await Message.new();
const extraData = message.contract.showMessage.getData(
web3.toHex(123456), 666, 'Transfer Done'
);
const abiMethod = findMethod(token.abi, 'increaseApproval', 'address,uint256,bytes');
const increaseApprovalData = ethjsABI.encodeMethod(abiMethod,
[message.contract.address, 50, extraData]
);
const transaction = await token.sendTransaction(
{ from: accounts[0], data: increaseApprovalData }
);
assert.equal(2, transaction.receipt.logs.length);
new BigNumber(50).should.be.bignumber.equal(
await token.allowance(accounts[0], message.contract.address)
);
});
it(
'should return correct allowance after decreaseApproval (with data) and show the event on receiver contract'
, async function () {
const message = await Message.new();
await token.approve(message.contract.address, 100);
const extraData = message.contract.showMessage.getData(
web3.toHex(123456), 666, 'Transfer Done'
);
const abiMethod = findMethod(token.abi, 'decreaseApproval', 'address,uint256,bytes');
const decreaseApprovalData = ethjsABI.encodeMethod(abiMethod,
[message.contract.address, 60, extraData]
);
const transaction = await token.sendTransaction(
{ from: accounts[0], data: decreaseApprovalData }
);
assert.equal(2, transaction.receipt.logs.length);
new BigNumber(40).should.be.bignumber.equal(
await token.allowance(accounts[0], message.contract.address)
);
});
it(
'should return correct balances after transferFrom (with data) and show the event on receiver contract'
, async function () {