Add bad use of tx.origin

[montyly]

tx.origin should not be called for authorization.

See slither testcase to have examples of incorrect and legitimate usages:
https://github.com/trailofbits/slither/blob/2aea762600ebdb46798f53c7dd65ac375783c5dc/tests/tx_origin.sol

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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Work has been started.

These users each claimed they can complete the work by 7 months from now.
Please review their action plans below:

1) adamskrodzki has been approved to start work.

I will fork repository and example of wallet using tx.origin "Authorisation" and write the attacker smart contract and also smart contract that deploys both and allow for attack

Learn more on the Gitcoin Issue Details page.

[adamskrodzki]

@montyly

Please view PR
#33

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

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Work for 100.0 DAI (100.0 USD @ $1.0/DAI) has been submitted by:

1. @adamskrodzki

@mkosowsk please take a look at the submitted work:

• PR by @adamskrodzki

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• Questions? Checkout Gitcoin Help or the Gitcoin Slack
• $41,003.81 more funded OSS Work available on the Gitcoin Issue Explorer

[PixelantDesign]

@montyly you have a submission! Please take a few minutes to review.

[montyly]

Hi, sorry for the late reply. The PR looks good, I added a small feedback to it.

[gitcoinbot]

Issue Status: 1. Open 2. Started 3. Submitted 4. Done

---

The funding of 100.0 DAI (100.0 USD @ $1.0/DAI) attached to this issue has been approved & issued to @adamskrodzki.

• Learn more on the Gitcoin Issue Details page
• Questions? Checkout Gitcoin Help or the Gitcoin Slack
• $42,734.81 more funded OSS Work available on the Gitcoin Issue Explorer