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If a function inside a contract calls another function in the same contract, is the msg.sender now the contract or still the original address that sent the initial transaction?

I know if contract A calls a function from contract B, the msg.sender is now contract A, but what about internally within 1 contract? does the msg.sender ever change? or is always the original tx sender?

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  • it should stay the same, unless you are using this.functionName(..) to call that function.
    – Majd TL
    Feb 17, 2022 at 15:47
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    to call an external function in your contract from your contract you need to use "this." and then it will change
    – Majd TL
    Feb 17, 2022 at 16:00

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Internally the msg.sender stays the same so caller of the function.

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    unless a function with external modifier with ("this") is called
    – Majd TL
    Feb 17, 2022 at 16:05

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