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Why do transactions duplicate the accounts used?

Not quite! This is the format of a non-serialized transaction. When a transaction gets serialized, it has each account key once in an array of of addresses and all AccountMetas inside instructions don'...
Ahri's user avatar
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Convert VersionedTransaction to Transaction

Here is how you can convert a versioned transaction to a legacy transaction // your versioned transaction let tx: VersionedTransaction = ....; let txInstructions = TransactionMessage....
Jimii's user avatar
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How to send transactions correctly and efficiently in python

Looking through the solana-py code, it looks like it'll usually do the right thing. You're forcing send_raw_transaction to also confirm the transaction, which eventually calls into https://github.com/...
Jon C's user avatar
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