What will __gtf::<u8>(index, GTF_OUTPUT_TYPE) return if there is no output at this index?

Sway
1

Hi guys
I want to add hard predicate outputs check to my predicate
What will __gtf::(index, GTF_OUTPUT_TYPE) return if there is no output at this index?

2

Now that looping is enabled in predicates, you can first check the number of outputs using GTF_SCRIPT_OUTPUTS_COUNT and then iterate over the correct number of outputs. According to the spec, the predicate will fail if the index is out of bounds:

  • The value of $rB results in an out of bounds access for variable-length fields
  • The input or output type does not match (OutputChange and OutputVariable count as OutputCoin)
3

Got it
Thanks a lot <3

4

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