How to handle randomness restriction in PTB?

Question

I came across an issue where I cant execute multiple commands following a random command in the PTB. It seems that the commands following a Random command can only be TransferObjects or MergeCoins. Is there a workaround like an UnsafeRandom, or is the only option to develop our own PRNG?

Aliabee · Answer

This restriction is intentionally enforced to guard against PTB-based composition attacks. You can find more information in the documentation here: https://docs.sui.io/guides/developer/advanced/randomness-onchain#programmable-transaction-block-ptb-restrictions. Unfortunately, there isnt an UnsafeRandom object available that would allow you to bypass this restriction.

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How to handle randomness restriction in PTB?

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