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Expose block random seed and timestamp to contract ABI (#1630)

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* Expose block random seed and timestamp to contract ABI

* Add tests

* Bump spec version
This commit is contained in:
Jordan Beauchamp
2019-02-07 22:58:02 +13:00
committed by Sergei Pepyakin
parent eb6dc0394e
commit fb0f4dfb03
12 changed files with 208 additions and 6 deletions
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substrate/srml/contract/COMPLEXITY.md
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@@ -281,6 +281,18 @@ This function serializes the address of the caller into the scratch buffer.
**complexity**: Assuming that the address is of constant size, this function has constant complexity.
## ext_random_seed
This function serializes the current block's random seed into the scratch buffer.
**complexity**: Assuming that the random seed is of constant size, this function has constant complexity.
## ext_now
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.