* chore: adding proto files for ics20-v2

* chore: add newline

* add CurrentVersion, EscrowVersion, update tests

* update hardcoded transfer channel version from interchaintest

---------

Co-authored-by: Charly <[email protected]>

…ods (#6126)

…shalling/conversion (#6226)

* chore: adding proto files for ics20-v2

* chore: add newline

* chore: modify MsgTransfer to accept coins instead of coin

* chore: reverted unintentional comment changes

* chore: reverted unintentional comment changes

* chore: adding test for conversion fn

* chore: fix e2e linter

* chore: adding docs

* chore: addressing PR feedback

* chore: remove duplicate import

* chore: addressing PR feedback

* chore: moved extration logic into internal package

* chore: commented out failing test

* chore: adding link to issue

* chore: remove duplicate import

* chore: fix linting errors

* FungibleTokenPacketData interface methods + tests

* linter

* wip: token validation

* update trace identifier validation in Token + tests

* rm Printf

* update with pr review

* add CurrentVersion, EscrowVersion, update tests

* pr review

* fix e2e tests

* pr review

* update e2e test version

* linter

* update hardcoded transfer channel version from interchaintest

* update hardcoded transfer channel version from interchaintest

* wip packet unmarshaller

* wip

* wip testing

* update test

* linter

* rm unnecessary version changes

* rm unnecessary artifacts

* update callbacks test

* update comment

* pr review

* rename getMultiDenomFungibleTokenPacketData to unmarshalPacketDataBytesToICS20V2

---------

Co-authored-by: chatton <[email protected]>
Co-authored-by: Carlos Rodriguez <[email protected]>

…allbacks (#6175)

* add SupportedVersions array for different ics20 versions, add version checking on channel handshake application callbacks

* add tests

* update pr review

* pr review

* last few pr review nits

* linter

* add version counter proposing

* fix missing app versino

* update code + tests to return our proposed version if counterparty version is invalid

* remove if statement

* address review comments: return ics20-2 if counterparty version is not supported

---------

Co-authored-by: Carlos Rodriguez <[email protected]>

…transfers (#6252)

* add transfer authz code + tests

* linter

* address review comments

---------

Co-authored-by: Carlos Rodriguez <[email protected]>

…ks (#6189)

* chore: adding proto files for ics20-v2

* chore: add newline

* chore: modify MsgTransfer to accept coins instead of coin

* chore: reverted unintentional comment changes

* chore: reverted unintentional comment changes

* chore: adding test for conversion fn

* chore: fix e2e linter

* chore: adding docs

* chore: addressing PR feedback

* chore: remove duplicate import

* chore: addressing PR feedback

* chore: moved extration logic into internal package

* chore: commented out failing test

* chore: adding link to issue

* chore: remove duplicate import

* chore: fix linting errors

* FungibleTokenPacketData interface methods + tests

* linter

* wip: token validation

* update trace identifier validation in Token + tests

* rm Printf

* update with pr review

* pr review

* linter

* rm unused function: linter

* wip pr feedback

* fix test

* pr review

* lintttttt

* wip: backwards compatibility for transfer rpc

* implement changes for ics20-v2 packet data for onRecvPacket, onAcknowledgePacket and onTimeoutPacket

* fix callbacks tests

* lint

---------

Co-authored-by: chatton <[email protected]>
Co-authored-by: Charly <[email protected]>

Sync feature with main branch

* refactor: quick change to tokens event attribute

* fix: various tests

* lint

* lint:fixeroni

* imp: remove events variable in favour of direct event emission

---------

Co-authored-by: DimitrisJim <[email protected]>

* check length of tokens array against maximum allowed

* chore: add note on arbitrary selection

---------

Co-authored-by: Colin Axnér <[email protected]>

* api(port)!: Allow passing of context, port and channel identifier to unmarshal packet data interface as disussed.

This allows us to grab the app version in transfer and unmarshal the packet based on that instead of a hacky unmarshal v2 then v1 and whatever happens.

* lint: as we do

* callbacks: fix signature of UnmarshalPacketData as per changes, make refactors to hopefully simplify signatures.

* chore: lint and remove some todos.

* review: address feedback.

* chore: specifically unmarshal v1 or v2 without brute force

* chore: fix TestPacketDataUnmarshalerInterface test in transfer module

* Pass dest values OnRecv, refactor GetExpectedEvents

* chore: fixing TestGetCallbackData test

* chore: fixed remaining tests in callbacks module

* test: simplify callbacks test, revert back to previous behaviour

* chore: fix test case name

* chore: addressing PR feedback

* chore: added docstring for unmarshalPacketDataBytesToICS20V2

---------

Co-authored-by: DimitrisJim <[email protected]>
Co-authored-by: Colin Axnér <[email protected]>

Sync Feature Branch With Main

* refactor: address various self review comments

* revert: unnecessary change

* lint

* refactor: apply review suggestions

* imp: additional updates

* refactor: make ValidateIBCDenom private

* Update modules/apps/transfer/types/msgs.go

Co-authored-by: Cian Hatton <[email protected]>

* apply review suggestions

---------

Co-authored-by: Cian Hatton <[email protected]>

* chore: move functions from internal/denom to trace.go

* lint

* lint: the comeback

* imp: self review items

* apply jim's suggestion

* Update modules/apps/transfer/keeper/msg_server_test.go

* Update modules/apps/transfer/ibc_module.go

* Update modules/apps/transfer/ibc_module.go

* chore: refactoring msgs_test.go to use expError

* chore: updating expected errors

* chore: update MsgUpdateParams and lint

---------

Co-authored-by: DimitrisJim <[email protected]>

# Conflicts:
#	e2e/testsuite/testsuite.go
#	e2e/testsuite/tx.go

# Conflicts:
#	e2e/tests/core/02-client/client_test.go
#	e2e/tests/core/03-connection/connection_test.go
#	e2e/tests/transfer/base_test.go
#	e2e/tests/transfer/localhost_test.go
#	e2e/tests/transfer/upgrades_test.go
#	e2e/tests/upgrades/genesis_test.go
#	e2e/tests/upgrades/upgrade_test.go
#	e2e/testsuite/testsuite.go
#	e2e/testsuite/tx.go