laconicd/tests/solidity/suites/exception/test/revert.js
yihuang 9227e78c79
evm: use stack of contexts to implement snapshot revert (#399)
* use stack of contexts to implement snapshot revert

Closes #338

add exception revert test case

verify partial revert

mutate state after the reverted subcall

polish

update comments

name the module after the type name

remove the unnecessary Snapshot in outer layer

and add snapshot unit test

assert context stack is clean after tx processing

cleanups

fix context revert

fix comments

update comments

it's ok to commit in failed case too

Update x/evm/keeper/context_stack.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

Update x/evm/keeper/context_stack.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

Update x/evm/keeper/context_stack.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

update comment and error message

add comment to cacheContext

k -> cs

Update x/evm/keeper/context_stack.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

evm can handle state revert

renames and unit tests

* use table driven tests

* keep all the cosmos events

* changelog

* check for if commit function is nil

* fix changelog

* Update x/evm/keeper/context_stack.go

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
2021-08-10 07:22:46 +00:00

36 lines
1.0 KiB
JavaScript

const TestRevert = artifacts.require("TestRevert")
const truffleAssert = require('truffle-assertions');
async function expectRevert(promise) {
try {
await promise;
} catch (error) {
if (error.message.indexOf('revert') === -1) {
expect('revert').to.equal(error.message, 'Wrong kind of exception received');
}
return;
}
expect.fail('Expected an exception but none was received');
}
contract('TestRevert', (accounts) => {
let revert
beforeEach(async () => {
revert = await TestRevert.new()
})
it('should revert', async () => {
await revert.try_set(10)
no = await revert.query_a()
assert.equal(no, '0', 'The modification on a should be reverted')
no = await revert.query_b()
assert.equal(no, '10', 'The modification on b should not be reverted')
no = await revert.query_c()
assert.equal(no, '10', 'The modification on c should not be reverted')
await revert.set(10)
no = await revert.query_a()
assert.equal(no, '10', 'The force set should not be reverted')
})
})