Document the (changed) behavior of Chain.block_hash

This commit is contained in:
Hans Svensson 2020-10-07 16:53:10 +02:00
parent 05b87fe200
commit b7b242bc66

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@ -678,7 +678,12 @@ The balance of account `a`.
Chain.block_hash(h : int) : option(bytes(32)) Chain.block_hash(h : int) : option(bytes(32))
``` ```
The hash of the block at height `h`. The hash of the block at height `h`. `h` has to be within 256 blocks from the
current height of the chain or else the function will return `None`.
NOTE: In AEVM and FATE VM version 1 `Chain.block_height` was not considered an
allowed height. From FATE VM version 2 (IRIS) it will return the block hash of
the current generation.
#### block_height #### block_height