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Make find_record constant time #3097

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merged 2 commits into from
Feb 9, 2023
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@samdealy samdealy commented Feb 3, 2023

This PR makes the e_tx_out_store's find_record method constant time. This is necessary in order to preserve our obliviousness guraantees.

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samdealy commented Feb 3, 2023

Current dependencies on/for this PR:

This comment was auto-generated by Graphite.

@samdealy samdealy mentioned this pull request Feb 3, 2023
Base automatically changed from sam/fix-payload-length to feature/fog-view-router February 7, 2023 01:03
@samdealy samdealy added the ! v5.0.0 Blocker for v5 label Feb 7, 2023
@samdealy samdealy linked an issue Feb 7, 2023 that may be closed by this pull request
@samdealy samdealy marked this pull request as ready for review February 7, 2023 01:12
@jcape jcape requested review from a team and NotGyro and removed request for jcape and a team February 7, 2023 07:08
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jcape commented Feb 7, 2023

LGTM, but I wrote half these changes, so I don't feel fully confident reviewing them :-)

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Looks good to me - this should be constant-time.

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cbeck88 commented Feb 8, 2023

I will try to review tomorrow

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left a comment, instead of having a codepath where we might truncate part of the payload, let's use assertions to ensure that FIXED_CIPHERTEXT_LENGTH is large enough relative to the other parameters, so that these core::cmp::min calls are unnecessary and truncation will not happen

@samdealy samdealy requested a review from cbeck88 February 8, 2023 23:21
@samdealy samdealy merged commit 2a83307 into feature/fog-view-router Feb 9, 2023
@samdealy samdealy deleted the sam/ct-find-record branch February 9, 2023 18:37
joekottke pushed a commit that referenced this pull request Apr 24, 2023
* Fix Fog View Connection Cargo.toml dependencies

* Implement create_multi_view_query_data API for Fog View Router (#2115)

* Implement create_multi_view_store_query_data API

* Address remoun's comments

* Implement MultiViewStoreQuery API for Fog View  (#2133)

* Create MultiViewStoreQuery API for Fog View Store

* Implement multi_view_store_query in Fog View Store

* Use mut_decryption_error

* Implement enclave APIs that facilitate Fog View Router dynamic store discovery (#2200)

* Add client_init and client_connect enclave methods

* Move multiview query construction to ake enclave

* Implement Remoun's suggestions

* Implement second round of remoun's suggestions

* Remove duplicate wasi files

* Re-add older wasi version

* Implement query / dynamic shard component discovery in Fog View Router (#2189)

* Remove FogViewStoreUri

* Implement core Fog Router Service logic

* Refactor module structure and add tests

* Use where clauses

* Implement nick's suggestions

* Implement second round of nick's suggestions

* Implement lint suggestions

* Implement james's suggestions

* Fix naming error

* Fix whitespace

* Split Fog View API into Client-facing and Store (Fog Router) APIs (#2265)

* Add FogViewStoreUri

* Split Fog View API in two and implement

* Implement nick's suggestions

* Create helper methods to obliviously collate shard responses (#2252)

* Create helper methods that obliviously collate shard responses

* Implement chris's suggestions

* Fix error string

* Fix lint

* Sort dependencies

* Run format

* fix newline

* Collate shard response in constant time (obliviously) (#2250)

* Add backend decrypt method to ake enclave

* Add enclave methods for shard response collation

* Refactor response to always include view store uri

* Use shard responses to fill router response

* Implement Nick's suggestions and fix CI errors

* Implement epoch sharding via trait (#2350)

* Use sharding strategy to tell view what blocks to process (#2351)

* Return minimum highest processed block to client (#2387)

* Add config option for sharding strategy (#2352)

* Add readiness API to ShardingStrategy (#2353)

* Add readiness API to ShardingStrategy

* Implement readiness check per ShardingStrategy

* Change MVQR error to accommodate different types

* Set not ready message

* Pull out query processing logic to separate method

* Add report fetching logic to FVR (#2454)

* Fix responder ID usage in FVR (#2446)

* Create different types of View Servers for store and client-facing (#2447)

* Messages for noise protocol exchanges with explicit nonces (#2461)

* attest::NonceMessage, EnclaveNonceMessage, add handling to attest-ake

* Rustfmt fixes

* Minor DRY cleanups around sessions and auth messages (#2462)

* attest::NonceMessage, EnclaveNonceMessage, add handling to attest-ake

* Rustfmt fixes

* Minor DRY cleanups around sessions and auth messages

* Update FVR client for integration test (#2448)

* Create gRPC FogViewRouterAdminAPI (#2360)

* Create FogViewRouterAdminUri (#2361)

* update cargo lock

* Sealed messages for clients with backends (#2449)

* Implement client message to sealed message API for backends

* Update Fog View enclave to build with new AKE enclave API

* Rust type aliases don't protect against passing the aliased type, use a new type instead

* Re-add comment ASCII art

* Additional plumbing of new SealedClientMessage type

* Move SealedClientMessage, finish implementing in fog view router

* Properly update the lockfiles

* Fix clippy lint

* Update lockfiles again after rebase

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>

* Implement shard management API sans auth (#2354)

* Implement shard management API

* Implement James's suggestions

* Re-apply 2463. (#2547)

* Re-apply PR #2473 (was accidentally removed) (#2548)

* Reapply changes from #2473

* Add inbound frontend connection support crypto-ake-enclave (#2549)

* Add frontends

* Fix traits on NonceSession

* Make constants and comments slightly friendlier/more consistent (#2550)

* Re-apply 2463. (#2547)

* Fix traits on NonceSession

* Minor comment and constant consistency/friendliness changes

* Fix compile error.

* Fix deleted Eq from NonceSession.

* fix cargo lock

* Sort deps

* Fix cargo lock files

* Spurious commit to trigger CI

* Remove `get_nonce` from NonceSession, rename `peek_nonce`->`nonce` (#2638)

Also sort Cargo.toml files due to precommit hook.

* Replace client with nonce paradigm for backends (#2625)

* "Replace client with nonce paradigm for backends"

* Sort cargo deps

* Fix clone

* Fix clippy

* Modify MVQ to use NonceMessage (#2617)

* Fix view proto

* Save work

* Implement nick's suggestions + fix lint

* Fix fog conformance OOM failure by reducing `frontends` allocation (#2660)

* Fix CI and remove Cargo.lock changes

* Fix CI and remove Cargo.lock changes

* Create query_backend enclave methods (#2627)

* Create query_backend enclave methods

* Implement nick's suggestions

* Rename to QueryStore

* Implement nonce based auth for Fog View Store (#2653)

* Implement nonce based auth for Fog View Store

* Implement nonce based auth

* Close gRPC channel when client is dropped (#2692)

* Implement nonce based auth for Fog View Store

* Implement nonce based auth

* Close gRPC channel when client is dropped

* Close gRPC channel when client is dropped (#2694)

* Create fog view router test utils (#2698)

* Create fog view router test utils

* Implement nick's suggestions

* Add block range to MVQ response (#2720)

* Add block range to MVQ response

* Implement James's suggestions

* Update BlockTracker to use ShardingStrategy (#2711)

* Create MVQ internal type (#2721)

* Create MVQ internal type

* Remove explicit vec type

* Add unknown status

* Implement nick's suggestions

* Implement new highest processed block count logic (#2722)

* Implement highest processed block count logic based on gaps

* Implement James's suggestions

* Fix comment

* Set block-related data more accurately (#2726)

* Set block-related data more accurately

* Change last known block logic

* Implement nick's suggested test cases

* Create Fog View Router integration test (#2375)

* Create FVR integration tests

* Implement nick's suggestions

* Calculate last known block txo count and add tests (#2766)

* Calculate last known block txo count and add tests

* Implement Nick's suggestions

* Implement James's suggestions

* Collate remaining QueryResponse fields (#2781)

* Create types module

* Create shared data

* Implement Nick's suggestions

* Implement James's suggestions

* Clean up response creation (#2783)

* Make query batch logic compatible with sharding strategy (#2845)

* Fix DbFetcher logic and modify recovery db method to use BlockRange

* Implement Remoun's suggestions

* Re-submit 2803  (#2866)

* Replace ciphertext delta with explicit length field

* Implement Nick's suggestions

* Make payload_length fixed int

* Make FVR integration test more complex (#2804)

* Make FVR integration test more complex

* Implement Nick's + Andrew's suggestions

* Add unary apis to FogViewRouter (#2839)

* Add unary apis to FogViewRouter

* Implement Nick's suggestions

* Account for epochs in block tracker highest processed block count logic (#2857)

* Account for epochs in block tracker highest processed block count logic

* Create and use block range method for ingress keys

* Skip a key if the shard's epoch doesn't overlap

* Implement Chris's suggestion

* Incorporate missed blocks into calculation for highest processed block count (#2858)

* Incorporate missed blocks into calculation for highest processed block count

* Implement Nick's suggestions

* Fix blank query sealing issue (#2904)

* Fix blank query sealing issue

* Implement Nick's suggestions

* Rename seal message

* Remove FogViewApi from FogViewService (#2852)

* Remove FogViewApi from FogViewService

* Fix tests, parametrize, create util methods

* Remove FogViewRouterAdminUri

* Modify fog conformance and local tests

* Implement Nick's suggestions

* Implement James's suggestions

* Rename tests (#2905)

* Rename tests

* Implement Nick's suggestions

* Implement James's suggestions

* Create InternalTxOutSearchResult (#2880)

* Create FixedTxOutSearchResult

* Replace TxOutSearchResult with FixedTxOutSearchResult

* Implement tx out search result conversion

* Fill TxOutSearchResult field and update tests

* Implement Nick's suggestions

* Implement James's comments

* Fix response processing loop logic (#2946)

* Implement prometheus metrics for FVR (#2976)

* Remove unnecessary logs

* Create helper fn for response status

* Create methods that don't rely on ctx

* Implement correct prometheus metrics for FVR

* Implement nick's suggestions

* implement eran's suggestions

* fix: bump postgresql chart version

* fix: update scheme

* Implement optelemetry tracing for FVR (#2979)

* Implement optelemetry tracing for FVR

* implement eran's suggestions

* Merge master

* Fix lock files

* Ensure shards provide correct blocks (#2981)

* Add sharding_strategies field to config

* Plumb block range from config down to shard processor

* Throw error if block ranges do not match

* Fix python tests

* Implement James's and Andrew's suggestions

* Fix tests

* Run cargo fmt

* Fix python tests

* Fix default parse

* Add admin uri env var

* Fix typo

* Make Fog View Store return externally-addressable URI to Router (#3081)

* Fix store uri by using responder id

* Add log for uri

* Fix query param

* Fix test urls

* Use host and responder id in router service

* Add logging for ResponderId in router and store

* Add more logging

* Add more logging

* Re-add urls push

* Remove logging

* Fix clippy

* Fix clippy

* Fix e_tx_out_store (#3082)

* Fix e_tx_out_store

* Make default payload_length == 0

* Run format

* Fix clippy

* Implement James's suggestions

* Make find_record constant time (#3097)

* Make find_record constant time

* Implement Chris's suggestion

* Improve error logging for epoch sharding parsing (#3141)

* Improve error logging for epoch sharding parsing

* Fix string format

* Fix clippy lint re: expect statement

* Make shard uris delimiter be a comma (#3142)

* Improve error logging for epoch sharding parsing

* Fix string format

* Fix clippy lint re: expect statement

* Make shard uris delimiter be a comma

* Fix clap feature param

* Add uri logging

* Add uri logging

* Fix deps

* Remove custom readiness check

* Fix bad merge

* Use mc-rand

* Re-add edl dep

* Re-add all deps taken out by merge

* Update pem in mc-fog-view-server

* Update cargo lock

* Update Cargo.lock

* Implement Nick's suggestions

* Fix modified test

* Fix lint

* Add MC_SHARDING_STRATEGY env var

---------

Co-authored-by: James Cape <james@mobilecoin.com>
Co-authored-by: awygle <awygle@gmail.com>
Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>
Co-authored-by: Aaron Weisberg <aaronweisberg@gmail.com>
Co-authored-by: Sam Dealy <samdealy@users.noreply.github.com>
joekottke pushed a commit that referenced this pull request Apr 24, 2023
* Fix Fog View Connection Cargo.toml dependencies

* Implement create_multi_view_query_data API for Fog View Router (#2115)

* Implement create_multi_view_store_query_data API

* Address remoun's comments

* Implement MultiViewStoreQuery API for Fog View  (#2133)

* Create MultiViewStoreQuery API for Fog View Store

* Implement multi_view_store_query in Fog View Store

* Use mut_decryption_error

* Implement enclave APIs that facilitate Fog View Router dynamic store discovery (#2200)

* Add client_init and client_connect enclave methods

* Move multiview query construction to ake enclave

* Implement Remoun's suggestions

* Implement second round of remoun's suggestions

* Remove duplicate wasi files

* Re-add older wasi version

* Implement query / dynamic shard component discovery in Fog View Router (#2189)

* Remove FogViewStoreUri

* Implement core Fog Router Service logic

* Refactor module structure and add tests

* Use where clauses

* Implement nick's suggestions

* Implement second round of nick's suggestions

* Implement lint suggestions

* Implement james's suggestions

* Fix naming error

* Fix whitespace

* Split Fog View API into Client-facing and Store (Fog Router) APIs (#2265)

* Add FogViewStoreUri

* Split Fog View API in two and implement

* Implement nick's suggestions

* Create helper methods to obliviously collate shard responses (#2252)

* Create helper methods that obliviously collate shard responses

* Implement chris's suggestions

* Fix error string

* Fix lint

* Sort dependencies

* Run format

* fix newline

* Collate shard response in constant time (obliviously) (#2250)

* Add backend decrypt method to ake enclave

* Add enclave methods for shard response collation

* Refactor response to always include view store uri

* Use shard responses to fill router response

* Implement Nick's suggestions and fix CI errors

* Implement epoch sharding via trait (#2350)

* Use sharding strategy to tell view what blocks to process (#2351)

* Return minimum highest processed block to client (#2387)

* Add config option for sharding strategy (#2352)

* Add readiness API to ShardingStrategy (#2353)

* Add readiness API to ShardingStrategy

* Implement readiness check per ShardingStrategy

* Change MVQR error to accommodate different types

* Set not ready message

* Pull out query processing logic to separate method

* Add report fetching logic to FVR (#2454)

* Fix responder ID usage in FVR (#2446)

* Create different types of View Servers for store and client-facing (#2447)

* Messages for noise protocol exchanges with explicit nonces (#2461)

* attest::NonceMessage, EnclaveNonceMessage, add handling to attest-ake

* Rustfmt fixes

* Minor DRY cleanups around sessions and auth messages (#2462)

* attest::NonceMessage, EnclaveNonceMessage, add handling to attest-ake

* Rustfmt fixes

* Minor DRY cleanups around sessions and auth messages

* Update FVR client for integration test (#2448)

* Create gRPC FogViewRouterAdminAPI (#2360)

* Create FogViewRouterAdminUri (#2361)

* update cargo lock

* Sealed messages for clients with backends (#2449)

* Implement client message to sealed message API for backends

* Update Fog View enclave to build with new AKE enclave API

* Rust type aliases don't protect against passing the aliased type, use a new type instead

* Re-add comment ASCII art

* Additional plumbing of new SealedClientMessage type

* Move SealedClientMessage, finish implementing in fog view router

* Properly update the lockfiles

* Fix clippy lint

* Update lockfiles again after rebase

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>

* Implement shard management API sans auth (#2354)

* Implement shard management API

* Implement James's suggestions

* Re-apply 2463. (#2547)

* Re-apply PR #2473 (was accidentally removed) (#2548)

* Reapply changes from #2473

* Add inbound frontend connection support crypto-ake-enclave (#2549)

* Add frontends

* Fix traits on NonceSession

* Make constants and comments slightly friendlier/more consistent (#2550)

* Re-apply 2463. (#2547)

* Fix traits on NonceSession

* Minor comment and constant consistency/friendliness changes

* Fix compile error.

* Fix deleted Eq from NonceSession.

* fix cargo lock

* Sort deps

* Fix cargo lock files

* Spurious commit to trigger CI

* Remove `get_nonce` from NonceSession, rename `peek_nonce`->`nonce` (#2638)

Also sort Cargo.toml files due to precommit hook.

* Replace client with nonce paradigm for backends (#2625)

* "Replace client with nonce paradigm for backends"

* Sort cargo deps

* Fix clone

* Fix clippy

* Modify MVQ to use NonceMessage (#2617)

* Fix view proto

* Save work

* Implement nick's suggestions + fix lint

* Fix fog conformance OOM failure by reducing `frontends` allocation (#2660)

* Fix CI and remove Cargo.lock changes

* Fix CI and remove Cargo.lock changes

* Create query_backend enclave methods (#2627)

* Create query_backend enclave methods

* Implement nick's suggestions

* Rename to QueryStore

* Implement nonce based auth for Fog View Store (#2653)

* Implement nonce based auth for Fog View Store

* Implement nonce based auth

* Close gRPC channel when client is dropped (#2692)

* Implement nonce based auth for Fog View Store

* Implement nonce based auth

* Close gRPC channel when client is dropped

* Close gRPC channel when client is dropped (#2694)

* Create fog view router test utils (#2698)

* Create fog view router test utils

* Implement nick's suggestions

* Add block range to MVQ response (#2720)

* Add block range to MVQ response

* Implement James's suggestions

* Update BlockTracker to use ShardingStrategy (#2711)

* Create MVQ internal type (#2721)

* Create MVQ internal type

* Remove explicit vec type

* Add unknown status

* Implement nick's suggestions

* Implement new highest processed block count logic (#2722)

* Implement highest processed block count logic based on gaps

* Implement James's suggestions

* Fix comment

* Set block-related data more accurately (#2726)

* Set block-related data more accurately

* Change last known block logic

* Implement nick's suggested test cases

* Create Fog View Router integration test (#2375)

* Create FVR integration tests

* Implement nick's suggestions

* Calculate last known block txo count and add tests (#2766)

* Calculate last known block txo count and add tests

* Implement Nick's suggestions

* Implement James's suggestions

* Collate remaining QueryResponse fields (#2781)

* Create types module

* Create shared data

* Implement Nick's suggestions

* Implement James's suggestions

* Clean up response creation (#2783)

* Make query batch logic compatible with sharding strategy (#2845)

* Fix DbFetcher logic and modify recovery db method to use BlockRange

* Implement Remoun's suggestions

* Re-submit 2803  (#2866)

* Replace ciphertext delta with explicit length field

* Implement Nick's suggestions

* Make payload_length fixed int

* Make FVR integration test more complex (#2804)

* Make FVR integration test more complex

* Implement Nick's + Andrew's suggestions

* Add unary apis to FogViewRouter (#2839)

* Add unary apis to FogViewRouter

* Implement Nick's suggestions

* Account for epochs in block tracker highest processed block count logic (#2857)

* Account for epochs in block tracker highest processed block count logic

* Create and use block range method for ingress keys

* Skip a key if the shard's epoch doesn't overlap

* Implement Chris's suggestion

* Incorporate missed blocks into calculation for highest processed block count (#2858)

* Incorporate missed blocks into calculation for highest processed block count

* Implement Nick's suggestions

* Fix blank query sealing issue (#2904)

* Fix blank query sealing issue

* Implement Nick's suggestions

* Rename seal message

* Remove FogViewApi from FogViewService (#2852)

* Remove FogViewApi from FogViewService

* Fix tests, parametrize, create util methods

* Remove FogViewRouterAdminUri

* Modify fog conformance and local tests

* Implement Nick's suggestions

* Implement James's suggestions

* Rename tests (#2905)

* Rename tests

* Implement Nick's suggestions

* Implement James's suggestions

* Create InternalTxOutSearchResult (#2880)

* Create FixedTxOutSearchResult

* Replace TxOutSearchResult with FixedTxOutSearchResult

* Implement tx out search result conversion

* Fill TxOutSearchResult field and update tests

* Implement Nick's suggestions

* Implement James's comments

* Fix response processing loop logic (#2946)

* Implement prometheus metrics for FVR (#2976)

* Remove unnecessary logs

* Create helper fn for response status

* Create methods that don't rely on ctx

* Implement correct prometheus metrics for FVR

* Implement nick's suggestions

* implement eran's suggestions

* fix: bump postgresql chart version

* fix: update scheme

* Implement optelemetry tracing for FVR (#2979)

* Implement optelemetry tracing for FVR

* implement eran's suggestions

* Merge master

* Fix lock files

* Ensure shards provide correct blocks (#2981)

* Add sharding_strategies field to config

* Plumb block range from config down to shard processor

* Throw error if block ranges do not match

* Fix python tests

* Implement James's and Andrew's suggestions

* Fix tests

* Run cargo fmt

* Fix python tests

* Fix default parse

* Add admin uri env var

* Fix typo

* Make Fog View Store return externally-addressable URI to Router (#3081)

* Fix store uri by using responder id

* Add log for uri

* Fix query param

* Fix test urls

* Use host and responder id in router service

* Add logging for ResponderId in router and store

* Add more logging

* Add more logging

* Re-add urls push

* Remove logging

* Fix clippy

* Fix clippy

* Fix e_tx_out_store (#3082)

* Fix e_tx_out_store

* Make default payload_length == 0

* Run format

* Fix clippy

* Implement James's suggestions

* Make find_record constant time (#3097)

* Make find_record constant time

* Implement Chris's suggestion

* Improve error logging for epoch sharding parsing (#3141)

* Improve error logging for epoch sharding parsing

* Fix string format

* Fix clippy lint re: expect statement

* Make shard uris delimiter be a comma (#3142)

* Improve error logging for epoch sharding parsing

* Fix string format

* Fix clippy lint re: expect statement

* Make shard uris delimiter be a comma

* Fix clap feature param

* Add uri logging

* Add uri logging

* Fix deps

* Remove custom readiness check

* Fix bad merge

* Use mc-rand

* Re-add edl dep

* Re-add all deps taken out by merge

* Update pem in mc-fog-view-server

* Update cargo lock

* Update Cargo.lock

* Implement Nick's suggestions

* Fix modified test

* Fix lint

* Add MC_SHARDING_STRATEGY env var

* Pull in protobuf changes from milliec/ledger-router-dev (#2889)

* Pull in protobuf changes from milliec/ledger-router-dev

* Move AddShardRequest to fog_common.proto, resolving #2888

* Clarifying comments and names, implementing changes requested for PR.

* Fixing old copy/paste mistakes with 'view'

* Ledger enclave support for router and store (#2896)

* Pulling changes in from milliec/ledger-router-dev

* Run cargo fmt

* Making requested changes and clarifications to Fog ledger router comments.

* Additional comment fixes

* Fix CI lint

* PR feedback nits

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>

* URIs for Fog Ledger Router (#2897)

* URIs for Fog Ledger Router

* Use AdminUri for Fog Ledger Router Admin URI

* PR feedback from James

* Protobuf conversion functions for Fog Ledger Router (#2891)

* URIs for Fog Ledger Router

* Use AdminUri for Fog Ledger Router Admin URI

* Protobuf conversion functions for Fog Ledger Router

* Key Image Router Service (#2898)

* Key Image Router Service

* Remove unneeded dead_code annotation

* Update fog/ledger/server/src/error.rs

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Update fog/ledger/server/src/key_image_router_service.rs

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Clean up commented-out code

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Fix misnamed type in a comment

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Address PR feedback around logging and comments.

* Address error in loop termination logic.

* Parameterize allowed number of retries for query loop

* Update based on changes from previous PRs

* Don't create 'groups' in `mod` or `use` declarations.

Co-authored-by: NotGyro <gyrocoder@gmail.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Oblivious collation of key image store responses (#2913)

* Oblivious collation of key image store responses

* Refactor tests to be more readable, per PR feedback

* Update fog/ledger/enclave/impl/src/oblivious_utils.rs

Co-authored-by: Nick Santana <nick@mobilecoin.com>

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Fog Ledger Router Admin service (#2920)

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Fix redundant mod declaration

* Update to use local SVC_COUNTERS

* Key Image Router Server + Binary (#2921)

* Ledger enclave support for router and store (#2896)

* Pulling changes in from milliec/ledger-router-dev

* Run cargo fmt

* Making requested changes and clarifications to Fog ledger router comments.

* Additional comment fixes

* Fix CI lint

* PR feedback nits

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Key Image Router Server + Binary

* Update router config for parameterized retries

* Remove dead_code declaration on router service constructor

* Changes due to rebase

* normalize naming - ledger router, key image store

* Linting fixes

* Accept code review suggestions

* Updates for GRPCIO 0.12

* Remove some unwraps in ledger_router binary

Co-authored-by: Emily C <gyrocoder@gmail.com>

* Key image store service and server for router/store system (#2954)

* Ledger enclave support for router and store (#2896)

* Pulling changes in from milliec/ledger-router-dev

* Run cargo fmt

* Making requested changes and clarifications to Fog ledger router comments.

* Additional comment fixes

* Fix CI lint

* PR feedback nits

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Key Image Router Server + Binary

* Update router config for parameterized retries

* Changes due to rebase

* normalize naming - ledger router, key image store

* Linting fixes

* Accept code review suggestions

* Updates for GRPCIO 0.12

* Remove some unwraps in ledger_router binary

* Pulling changes in from milliec/ledger-router-dev

* Making requested changes and clarifications to Fog ledger router comments.

* PR feedback nits

* Key Image Router Service

* Update fog/ledger/server/src/key_image_router_service.rs

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Address PR feedback around logging and comments.

* Parameterize allowed number of retries for query loop

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Key Image Router Server + Binary

* Key image store changes pulled in from milliec/ledger-router-dev

* Cargo fmt

* Run clippy

* Sort itertools properly in Cargo.toml

* Rebase and update to match current fog ledger router branch

* Remove unused dependencies in fog-ledger-server

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Apply suggestions - Remove unused deps

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Apply suggestions from comments

Applying suggestions from @nick-mobilecoin's review

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Resolving some code quality issues in direct_key_image_store_check()

* Cargo fmt

* key image server and key image service moved to router server and router service

* Apply suggestions from code review

Co-authored-by: Sam Dealy <33067698+samdealy@users.noreply.github.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>

---------

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>
Co-authored-by: Sam Dealy <33067698+samdealy@users.noreply.github.com>

* Implement Sharding Strategy (#2873)

* Ledger enclave support for router and store (#2896)

* Pulling changes in from milliec/ledger-router-dev

* Run cargo fmt

* Making requested changes and clarifications to Fog ledger router comments.

* Additional comment fixes

* Fix CI lint

* PR feedback nits

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Key Image Router Server + Binary

* Update router config for parameterized retries

* Changes due to rebase

* normalize naming - ledger router, key image store

* Linting fixes

* Accept code review suggestions

* Updates for GRPCIO 0.12

* Remove some unwraps in ledger_router binary

* Pulling changes in from milliec/ledger-router-dev

* Making requested changes and clarifications to Fog ledger router comments.

* PR feedback nits

* Key Image Router Service

* Update fog/ledger/server/src/key_image_router_service.rs

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Address PR feedback around logging and comments.

* Parameterize allowed number of retries for query loop

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Key Image Router Server + Binary

* Key image store changes pulled in from milliec/ledger-router-dev

* Cargo fmt

* Run clippy

* Sort itertools properly in Cargo.toml

* Rebase and update to match current fog ledger router branch

* Remove unused dependencies in fog-ledger-server

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Apply suggestions - Remove unused deps

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Apply suggestions from comments

Applying suggestions from @nick-mobilecoin's review

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Resolving some code quality issues in direct_key_image_store_check()

* Cargo fmt

* key image server and key image service moved to router server and router service

* Fog Ledger Router Admin service

* Key Image Router Server + Binary

* Update router config for parameterized retries

* Changes due to rebase

* normalize naming - ledger router, key image store

* Linting fixes

* Accept code review suggestions

* Implement ShardingStrategy into DbFetcher

* Split out DbFetcher creation and starting for ease of integration

* Add a DbFetcher to the ledger store server.

* Start the db_fetcher in the Fog Ledger Server to reflect the new behavior

* Run cargo fmt

* Run cargo clippy

* Other clippy and fmt changes

* Sort dependencies

* Remove unimplemented! that snuck in from other branch

* Update and sync with latest Fog ledger router

* Remove some unwraps

* Lint again

* rebase fixups

* PR feedback

---------

Co-authored-by: Emily C <gyrocoder@gmail.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Implement non-KeyImage Functionality for Fog Ledger Router (#3084)

* Ledger enclave support for router and store (#2896)

* Pulling changes in from milliec/ledger-router-dev

* Run cargo fmt

* Making requested changes and clarifications to Fog ledger router comments.

* Additional comment fixes

* Fix CI lint

* PR feedback nits

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Key Image Router Server + Binary

* Update router config for parameterized retries

* Changes due to rebase

* normalize naming - ledger router, key image store

* Linting fixes

* Accept code review suggestions

* Updates for GRPCIO 0.12

* Pulling changes in from milliec/ledger-router-dev

* Making requested changes and clarifications to Fog ledger router comments.

* PR feedback nits

* Key Image Router Service

* Update fog/ledger/server/src/key_image_router_service.rs

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Address PR feedback around logging and comments.

* Parameterize allowed number of retries for query loop

* Fog Ledger Router Admin service

* Sort itertools properly in Cargo.toml

* Key Image Router Server + Binary

* Key image store changes pulled in from milliec/ledger-router-dev

* Cargo fmt

* Run clippy

* Sort itertools properly in Cargo.toml

* Rebase and update to match current fog ledger router branch

* Implement ShardingStrategy into DbFetcher

* Add a DbFetcher to the ledger store server.

* Run cargo fmt

* Other clippy and fmt changes

* Sort dependencies

* Remove unimplemented! that snuck in from other branch

* Update and sync with latest Fog ledger router

* Refactor router dispatch into match statement

Uses ugly names from rust-protobuf. rust-protobuf version 3.* will do
the Rusty thing and put the generated enums into modules, but we're on
version 2.* and they do the C thing of really_long_snake_case_names.

* Add merkle proof service to router server

* Add untrusted tx out service to router server

* Add block service to router server

* Fixups from rebase

---------

Co-authored-by: Emily C <gyrocoder@gmail.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Porting existing Fog Ledger tests to Router (#3138)

* Port existing tests to router server binary, except key image

* Port key image test in router_connection.rs to streaming API

* Fixups from rebase

* remove logging statements

* All Ledger tests now use portpicker to select ports

* Fog router support for the unary API (#3123)

* Cargo fmt

* Ensure unary key image service gets started for router server.

* Improving comment clarity.

* Apply suggestions removing unnecessary comments

Co-authored-by: Nick Santana <nick@mobilecoin.com>

---------

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Apply suggestions from code review

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Pull request feedback

---------

Co-authored-by: Emily C <gyrocoder@gmail.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Test key image retrieval via unary API on the router (#3163)

* Port existing tests to router server binary, except key image

* Port key image test in router_connection.rs to streaming API

* Fixups from rebase

* remove logging statements

* All Ledger tests now use portpicker to select ports

* Fog router support for the unary API (#3123)

* Cargo fmt

* Ensure unary key image service gets started for router server.

* Improving comment clarity.

* Apply suggestions removing unnecessary comments

Co-authored-by: Nick Santana <nick@mobilecoin.com>

---------

Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Test key image retrieval via unary API on the router.

* Cargo fmt

* Fix a merging mistake.

* Fix some additional merge mistakes

* Sort dependencies

---------

Co-authored-by: Andrew Wygle <andrew@mobilecoin.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>

* Fix up Clippy issues from new Rust version

* Make Fog Ledger Store return externally-addressable URI to Router (#3192)

* Port fog local network and conformance tests to use ledger router (#3144)

* Initial port of python tests, needs cleanup

* Fix ledger and watcher DB paths in conformance

* Fixups from rebase and add path arguments to key image store

* Pull request feedback

* Rebase fixups for unary test

* Rename new_from_config to new, drop old new

* Fog Ledger Router integration test (#3188)

* Router integration test

* Clippy updates after rebase

* Implement Drop for TestEnvironment

* Eliminate temp dirs after test

* Remove unused GRPC arguments

* Load environment config from JSON file. Might delete later.

* Revert "Load environment config from JSON file. Might delete later."

This reverts commit a677b59.

* Remove magic numbers

* Remove client-facing API from key-image store (#3217)

* Remove client-facing API from key-image store

* Cargo fmt

* Remove fog_ledger_key_images_test from connection.rs (equivalent exists in router_connection.rs)

* Cargo fmt

* Pull out old code for the single-server design which will not be used anymore.

* Fix cargo.toml.

* Optelemetry tracing for FLR (#3264)

* Optelemetry tracing for FLR

* Cargo fmt

* Apply James' suggested span names

Co-authored-by: James Cape <james@mobilecoin.com>

* Cargo fmt

---------

Co-authored-by: James Cape <james@mobilecoin.com>

* Process all blocks, but only add our blocks to the ORAM (#3203) (#3262)

* Prometheus metrics for FLR (#3267)

* Prometheus metrics for FLR

* Cargo fmt

* Post-rebase cleanups

* Use default readiness check for FLR

* Remove mc-crypto-rand from FLR branch

* Address PR feedback

* Clean up Cargo.locks

* Add MC_SHARDING_STRATEGY

---------

Co-authored-by: Sam Dealy <sam.dealy@gmail.com>
Co-authored-by: Sam Dealy <33067698+samdealy@users.noreply.github.com>
Co-authored-by: James Cape <james@mobilecoin.com>
Co-authored-by: Aaron Weisberg <aaronweisberg@gmail.com>
Co-authored-by: Sam Dealy <samdealy@users.noreply.github.com>
Co-authored-by: Emily C <gyrocoder@gmail.com>
Co-authored-by: Nick Santana <nick@mobilecoin.com>
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[FVR] Use const_cmp feature in e_tx_out_store
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