bug: incorrect error message in parse_block_hash_str "invalid block height" should be "invalid block hash"

[0xB10C]

The error message in parse_block_hash_str "invalid block height" should be "invalid block hash".

miningpool-observer/web/src/util.rs

Lines 23 to 26 in 6e8e3c9

	if hash_str.len() != 64 || !hash_str.starts_with("000000") {
	log::warn!(target: "web_handler", "parse_block_hash_str: invalid block height {}", hash_str);
	return Err(error::ErrorNotFound(ERROR_INVALID_BLOCK_HASH));
	}

miningpool-observer/web/src/util.rs

Lines 29 to 32 in 6e8e3c9

	Err(e) => {
	log::warn!(target: "web_handler", "parse_block_hash_str: invalid block height {}: {}", hash_str, e);
	Err(error::ErrorNotFound(ERROR_INVALID_BLOCK_HASH))
	}