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block_header

Standalone Functions​

get_block_header_at_oracle​

get_block_header_at_oracle(_block_number);

Parameters​

NameType
_block_numberu32

get_block_header_at_internal​

get_block_header_at_internal(block_number);

Parameters​

NameType
block_numberu32

get_block_header_at​

get_block_header_at(block_number, context);

Parameters​

NameType
block_numberu32
contextPrivateContext

constrain_get_block_header_at_internal​

constrain_get_block_header_at_internal(header_hint, block_number, last_archive_block_number, last_archive_root, );

Parameters​

NameType
header_hintBlockHeader
block_numberu32
last_archive_block_numberu32
last_archive_rootField

fetching_a_valid_but_different_header_should_fail​

fetching_a_valid_but_different_header_should_fail();

Takes no parameters.