* merkle tree impl
* - take leftmost 20 bytes in hash
- don't assign output of cursor::take_rest to _, instead just drop it
* push PREFIXes (MERKLE_LEAF_PREFIX, MERKLE_NODE_PREFIX) to front instead of back
* delete testXOR
* test construct merkle tree depth exceeded error
* invalid merkle proof test cases
* comments
* rename failure tests
* simplification for initializing a vector
* fix leafHash bug, add tests for hashLeaf and hashNode
* pyth accumulator start, extract_price_info_from_merkle_proof, parse_price_feed_message
* parse_price_feed_message, parse_and_verify_accumulator_updates
* implementation + debugging for merkle pyth accumulator
* edit merkle tree
* testNodehash
* test hash
* delete prints
* test case for parse and verify TEST_ACCUMULATOR_3_MSGS
* hot potato vector -> authenticated price infos
* refactor - move tests from pyth_accumulator to pyth to avoid dependency cycle
* remove _ from deserializing unused vaa
* add sui-contract.yml for github actions
* AuthenticatedPriceInfos -> AuthenticatedVector
* charge base update fee per call to update_single_price_feed
* add back multiple tests, including test_create_and_update_price_feeds_insufficient_fee, update cache, update cache old update
* test multiple price feed creation and update accumulator
* authenticated_price_infos.move -> authenticated_vector.move
* 5 * single_update_fee
* delete some comments, add accumulator test info
* don't make TEST_VAAS test_only in pyth.move
* remove #[test_only]s
* assert price info object contains correct price feed info
* factor out some constants from accumulator test cases to reduce duplicate code
* add sui-contract.yml file for github actions CI
* more refactor and clean-up
* assert price_info_object_1 is correct in test_create_and_update_price_feeds_with_batch_attestation_success
* removed the parse_and_verify_accumulator_message_with_worm_state entirely, and instead added the helper parse_vaa_bytes_from_accumulator_message
* edit comment
* update comment
* edit sui github ci
* fix for sui-contract.yml
* MINIMUM_SUPPORTED_MINOR_VERSION and MAJOR_VERSION
* remove test_get_price_feed_updates_from_accumulator and parse_vaa_bytes_from_accumulator_message from pyth_accumulator.move
* test_parse_and_verify_accumulator_updates_with_extra_bytes_at_end_of_message
* sui contract yml update
* use rev to cargo install sui in github actions ci
* cargo install --locked for github CI
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