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Add ERC7674 (draft) (#5071)

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Co-authored-by: Ernesto García <ernestognw@gmail.com>
Co-authored-by: cairo <cairoeth@protonmail.com>
This commit is contained in:
Hadrien Croubois
2024-07-22 17:23:08 +02:00
committed by GitHub
parent 19a657bef8
commit e30b390d84
9 changed files with 356 additions and 1 deletions
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11
test/token/ERC20/ERC20.behavior.js
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@ -132,9 +132,18 @@ function shouldBehaveLikeERC20(initialSupply, opts = {}) {
});
it('reverts when the token owner is the zero address', async function () {
// transferFrom does a spendAllowance before moving the assets
// - default behavior (ERC20) is to always update the approval using `_approve`. This will fail because the
// approver (owner) is address(0). This happens even if the amount transferred is zero, and the approval update
// is not actually necessary.
// - in ERC20TemporaryAllowance, transfer of 0 value will not update allowance (temporary or persistent)
// therefore the spendAllowance does not revert. However, the transfer of asset will revert because the sender
// is address(0)
const errorName = this.token.temporaryApprove ? 'ERC20InvalidSender' : 'ERC20InvalidApprover';
const value = 0n;
await expect(this.token.connect(this.recipient).transferFrom(ethers.ZeroAddress, this.recipient, value))
.to.be.revertedWithCustomError(this.token, 'ERC20InvalidApprover')
.to.be.revertedWithCustomError(this.token, errorName)
.withArgs(ethers.ZeroAddress);
});
});