backport #6323 to stable2412: add transaction source in transaction extension API.#6473
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…tionExtension::validate` (#6323) ## Meta This PR is part of 4 PR: * #6323 * #6324 * #6325 * #6326 ## Description One goal of transaction extension is to get rid or unsigned transactions. But unsigned transaction validation has access to the `TransactionSource`. The source is used for unsigned transactions that the node trust and don't want to pay upfront. Instead of using transaction source we could do: the transaction is valid if it is signed by the block author, conceptually it should work, but it doesn't look so easy. This PR add `TransactionSource` to the validate function for transaction extensions (cherry picked from commit 8e3d929)
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This PR is a backport of #6418. For context, `TransactionExtension`, introduced in #3685, is part of the `stable2412` release, and this PR brings important fixes and quality of life improvements. Doing the backport now allows us to not break the interface later. Opened against #6473 as the changes in the original PR were made on top of the changes in this backport. --------- Signed-off-by: georgepisaltu <[email protected]> Co-authored-by: Guillaume Thiolliere <[email protected]> Co-authored-by: GitHub Action <[email protected]>
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add transaction source in the transaction extension API.
Transaction extension is introduced in stable2412 so better not to break again later.