- I don’t know an endpoint that does that in one go unfortunately.
- You cannot increase the priority of a transaction. See How to be sure my transaction will be executed before others in next block? - #2 by fabrice for details
- TEAL supports 512-bit integers using big-endian
[]byterepresentation, which is larger than most blockchains. See Transaction Execution Approval Language (TEAL) - Algorand Developer Portal.
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