backport https://github.com/paritytech/polkadot-sdk/pull/6323 to stable2412 #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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georgepisaltu
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Nov 15, 2024
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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.