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Ditch the input buffer (#2911)

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* Pass input data via the scratch buffer.

Remove calls to ext_input_*.

* Fix tests and docs

* Bump the version.

* Remove ext_input_* from COMPLEXITY.md

* Return back the length check and add more comments

* Update the documentation of the scratch buffer.

* Fix a silly mistake.
This commit is contained in:
Sergei Pepyakin
2019-06-20 17:06:12 +02:00
committed by GitHub
parent 32a14ba2b8
commit 83d3881542
6 changed files with 89 additions and 88 deletions
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substrate/srml/contracts/COMPLEXITY.md
-12
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@@ -348,18 +348,6 @@ This function serializes the current block's timestamp into the scratch buffer.
**complexity**: Assuming that the timestamp is of constant size, this function has constant complexity.
## ext_input_size
**complexity**: This function is of constant complexity.
## ext_input_copy
This function copies slice of data from the input buffer to the sandbox memory. The calling code specifies the slice length. Execution of the function consists of the following steps:
1. Storing a specified slice of the input data into the sandbox memory (see sandboxing memory set)
**complexity**: The computing complexity of this function is proportional to the length of the slice. No additional memory is required.
## ext_scratch_size
This function returns the size of the scratch buffer.