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Finalization of the Backend#7

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Commits on Jul 24, 2023

• wallet: Implement wallet interfaces

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Commits on Jul 31, 2023

• Merge pull request #1 from perun-network/wallet

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Commits on Aug 3, 2023

• wire: Implement XDR encoding and Decoding of contract types

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Commits on Aug 8, 2023

• wallet: Put Participant into types subpackage to avoid cyclic dependencies

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• wallet: Add function to obtain types.Participant from wallet.Account directly

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• channel/types: Add preliminary StellarAsset type

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• wire: Add conversion between go-perun types and wire types

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• channel: Implement channel.Backend interface

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Commits on Aug 21, 2023

• Merge pull request #2 from perun-network/wire

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Commits on Aug 22, 2023

• channel/types: Implement Asset interface from go-perun in asset.go. Add MakeAccountAddress and ToAccountAddress functions. wire: Move MakeAccountAddress and ToAccountAddress to channel/types to avo…

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Commits on Sep 8, 2023

• channel: Change type of StellarAsset

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• channel: Fix NewRandomAsset method

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Commits on Sep 11, 2023

• channel: Remove manual seed in randomizer,

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• Merge pull request #3 from perun-network/channel

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Commits on Oct 31, 2023

• channel: Add Funder, Adjudicator

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• .gitignore: Add vscode parameters to ignore in git

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Commits on Nov 6, 2023

• main: Finalize structure for Demo workflow

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Commits on Nov 7, 2023

• LICENSE, README: Add license and additional information

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• channel: Remove additional Eventsubscription from

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• main: Remove printline statements

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Commits on Nov 28, 2023

• main.go: Include Stellar Token Asset Contract

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Commits on Dec 8, 2023

• main: Include Token Asset contract

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Commits on Dec 12, 2023

• main: Execute Token contract calls

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• channel: Remove commented authorization generation code

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• quickstart.sh: Add simple quickstart initialization of Stellar and Soroban

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Commits on Dec 16, 2023

• Adapt to most recent stellar/go version

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Commits on Dec 17, 2023

• main: Create keypairs in wallet package instead of keypair API. Include Payments between clients

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• util: Add wrapping functions for payment demo.

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Commits on Dec 19, 2023

• main: Use error wrapper to make workflow more concise

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• testdata: Remove perun_soroban_contract_noapprove because it was used for testing and debugging purposes only and is now obsolete.

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• README: Rewrite the guide to refer to the updated setup based on the stellar/go library.

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• channel/env: Remove txMeta prints (introduced for debugging)

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• README: Update tutorial to use this repository

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Commits on Dec 21, 2023

• go.mod: Update dependecies

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• channel: Remove comments

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• wallet: Change Participant.String method to display only the address string, not the public key

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• client: package client deprecated because the demonstrator of payment channels has been moved to the perun-stellar-demo repository.

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• main: Deprecate main.go demonstrator as it is moved to the repository perun-stellar-demo

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Commits on Jan 4, 2024

• Add license, remove comments

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Commits on Jan 17, 2024

• refactor: Remove wallet/test/init.go because the wallet Randomizer initialization is performed at other places already

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Commits on Jan 19, 2024

• refactor(channel/token): Move token.go into channel/test because it is only used for testing

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• refactor(channel/test): Add Wallet Randomizer into init.go for testing

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• test(channel/test): Add Setup struct and the required auxiliary functions to perform tests

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• test(channel): Add Funding Test

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Commits on Jan 22, 2024

• docs: Add doc.go file, documenting the package contents

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• docs(README): Include additional information in README

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• * test(setup.go): Add GetAdjudicators method to retrieve the users' Adjudicator struct.

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• style(channel): Remove unneeded functions, comments and logs.

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• style(wire, channel/env): Remove comments

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Commits on Feb 13, 2024

• style(channel): Remove unnecessary print statements and logs

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• refactor(wire): Remove unused invocation.go file

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• fix(wire): Import Randomizer object from channel/test instead of wallet/test to avoid code duplication or double initialization

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• feat(README, channel): Add separation between unit tests and integration tests, allowing to choose to run unit tests only. Update README accordingly.

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• fix: Provide Dockerfile and build.sh script to download and build the Stellar binaries docker image. Update README to document docker usage.

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Commits on Feb 14, 2024

• chore(channel/subscribe.go): Rename Events() method to getEvents() to unexpose

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• chore(AdjEventSub): Remove unused Ev field

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• * chore(channel): Return errors instead of panic where possible

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• refactor(adjudicator): Streamline error handling for Withdraw function

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• refactor(channel): Rename panicErr to subErrors, remove PanicErr() method and add conditions to close AdjEventSub subscription

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Commits on Feb 15, 2024

• fix(funder): Simplify the Fund method, using fundParty instead of fundPartyA and fundPartyB. Include safety check to assert that PartyA and PartyB have funded before Fund returns successfully.

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Commits on Feb 16, 2024

• refactor(channel/env): Remove HorizonMasterClient, as this type was identical to StellarClient

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• refactor(channel/env, channel/client): Remove GetMaster() and GetSourceKey() methods, as they were identical to GetHorizonClient() and GetKeyPair()

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• refactor(channel, channel/env, channel/test): Remove necessity for keypair exposure in Funder, Adjudicator and the associated methods. Keypair is now used in channel/env by Stellarclient.keyHolder …

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• refactor(channel/funder): Remove unused acc field in Funder struct

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• style(wallet, channel): Fix error capitalization

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• Merge pull request #6 from perun-network/horizon_update_v2.27.0

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Commits on Mar 26, 2024

• chore(go.mod): Update to go 1.21

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• Merge pull request #8 from perun-network/update-go-1.21

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Commits on Mar 27, 2024

• * refactor(channel): Remove unused parameters

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Commits on Mar 28, 2024

• * refactor(channel/env): Remove channel/env in favor of new client package.

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• Merge pull request #9 from perun-network/refactor-client

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• feat(CI): Add CI

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Commits on Apr 2, 2024

• feat(CI): Add unit tests

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• Merge pull request #10 from perun-network/add-ci

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• chore(.gitignore): Stop tracking temporary local files, add directories in .gitignore

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Commits on Apr 3, 2024

• * refactor(channel): Remove AdjEvent interface, use AdjudicatorEvent interface from go-perun instead. Accordingly, use RegisteredEvent and ConcludedEvent instead of custom event types.

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• * fix(AdjEventSub): Change events channel to receive event.PerunEvent events.

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Commits on Apr 4, 2024

• * refactor(channel): Include challengeDuration field in AdjEventSub struct. Introduce DefaultChallengeDuration. Refactor NewTimeTimeout to satisfy TimeoutV field for PerunEvent events.

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• Merge pull request #11 from perun-network/refactor-timeout-events

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• refactor(channel, client): Remove transaction builder type functionality from the channel package, use the buildtx types from the client package, stored in buildtx.go.

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• chore(channel/test): Substitute deprecated math/rand/Read with crypto/rand/Read.

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• * test(channel_test): Add TestFunding_TimeoutNotFunded, testing failed funding and funds retrieval calling abort_funding.

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Commits on Apr 8, 2024

• test(channel_test): Add RegisterFinal test, testing the registering of a final state after funding and one state update.

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Commits on Apr 9, 2024

• * refactor(event): Add errors related to events, modify PerunEvent interface, add EventType field. Add GetType() method to show event type. Add Assert...Event functions to test for events related t…

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• * refactor(event): Remove ErrEventDecode, as we do not want a generic error in this place.

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• Merge pull request #12 from perun-network/add-processing-stellar-events

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Commits on Apr 15, 2024

• * refactor(channel/AdjEventSub): Set AdjEventSub to adhere to AdjudicatorSubscription in go-perun. In run method, do not return if adjEvent is found.

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• fix(client_test.go): Fix test function syntax.

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Commits on Apr 16, 2024

• refactor(client): Remove shared mutex from client package, in favor of a mutex in the Client struct.

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• Merge pull request #13 from perun-network:refactor-client-mutex

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Commits on Apr 30, 2024

• * refactor(channel, client): Separate transaction signing and broadcasting. For this purpose, several new types were introduced. The Invoker interface is introduced for broadcasting contract invoca…

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• Merge pull request #14 from perun-network:refactor-transactor-client

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Commits on May 2, 2024

• * add(client/contractbackend.go): Add methods SetParticipant and SetAccount to initialize the TransactorConfig struct.

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• * chore(go.mod, go.sum): Update go-perun dependency to v0.11.0 release

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• Merge pull request #15 from perun-network:chore-updateto-goperun_v0.11.0

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Commits on May 3, 2024

• chore(go.mod, go.sum): Update stellar/go dependencies to the most recent release, horizonclient-v14.0.0

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Commits on May 24, 2024

• feat(client): Add Sender interface, allowing a custom implementation of Stellar transactions broadcasts.

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Commits on May 27, 2024

• feat(client-TxSender): Expose signSendTx method, renaming it to SignSendTx

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• * refactor(client/contractbackend.go): Remove unused code

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Commits on May 29, 2024

• Merge pull request #16 from perun-network/feat-sender-transactor

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Commits on Jun 19, 2024

• feat: Adapt packages to Multiasset extension

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Commits on Jun 25, 2024

• * chore(quickstart.sh): Update docker file to use Stellar Protocol 20

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Commits on Jun 26, 2024

• chore(testdata): Update perun_soroban_token.wasm to soroban-sdk 20.5.0 compiled version

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Commits on Jun 27, 2024

• * fix(channel_test): Adapt test to updated multiasset contract, in which the channel is deleted after the second withdrawal (Bob's withdrawal). Hence, GetChannelInfo returns no channel state anymor…

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Commits on Jul 2, 2024

• * feat(client/ContractBackend): Add GetBalanceUser to query token balance

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Commits on Jul 3, 2024

• feat(client): Invoke get_channel function in the contract without sending a signed transaction - decode the result of the simulated transaction result

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Commits on Jul 18, 2024

• Merge pull request #18 from perun-network/feat-multiasset

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