cardano-ibc-incubator - 16 commits this week

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16 commits this week Nov 27, 2025 - Dec 04, 2025

floor-licker · Wed, 03 Dec 25 18:48:10 +0000 · cardano-ibc-incubator

docs: update README to reference Hermes Cardano integration fork

- Mark Go relayer as deprecated
- Add link to Hermes fork with Cardano integration
- Document ChainEndpoint implementation in separate repository
- Clarify architectural separation between main repo and Hermes fork

5e4ea7d8 · feat/hermes-driver-crypto · 1/14 ++ 1 --

floor-licker · Wed, 03 Dec 25 18:23:46 +0000 · cardano-ibc-incubator

refactor: remove Hermes submodule - will be maintained in separate fork

8a0a5e96 · feat/hermes-driver-crypto · 1/0 ++ 1 --

floor-licker · Wed, 03 Dec 25 18:02:45 +0000 · cardano-ibc-incubator

feat: initialize Hermes integration by cloning official Hermes repository, creating cardano-chain crate in Hermes workspace, implementing CardanoChainEndpoint skeleton with ChainEndpoint trait, defining Cardano IBC types including CardanoHeader, CardanoClientState, CardanoConsensusState, adding Cardano to ClientType enum in ibc-relayer-types, implementing SigningKeyPair trait for CardanoKeyring to enable Hermes keyring compatibility, setting up basic query method implementations delegating to GatewayClient

ae889d73 · feat/hermes-driver-crypto · 1/1 ++ 0 --

floor-licker · Wed, 03 Dec 25 16:51:55 +0000 · cardano-ibc-incubator

docs: add architecture section explaining Hermes driver design decision to use Pallas for signing only rather than cardano_tx_builder for full transaction construction, clarifying separation of concerns where Gateway builds unsigned transactions using Lucid while Hermes driver only signs pre-built transactions, documenting rationale for maintaining clean boundaries between chain-specific logic and generic IBC relaying, and removing emojis from section headers for cleaner professional documentation

dc97f536 · feat/hermes-driver-crypto · 1/32 ++ 16 --

floor-licker · Wed, 03 Dec 25 12:31:50 +0000 · cardano-ibc-incubator

feat: implement production-ready Cardano transaction signing using Pallas for proper CBOR parsing and witness construction, replacing simplified stub with full transaction body hash extraction via Pallas KeepRaw CBOR preservation, proper VKeyWitness construction with Ed25519 signatures and public keys in Cardano format, complete witness set management cloning existing witnesses and adding new vkey witnesses while preserving native scripts, Plutus scripts, datums, redeemers, auxiliary data through encode/decode cycle for proper KeepRaw wrapper handling

aaff9c2c · feat/hermes-driver-crypto · 6/238 ++ 60 --

floor-licker · Tue, 02 Dec 25 19:41:28 +0000 · cardano-ibc-incubator

feat: complete Hermes relayer signing integration, adding SubmitSignedTx protobuf service definition, generating Rust gRPC client with CardanoMsgClient for transaction submission, implementing submit_signed_transaction method in GatewayClient to handle Hermes-signed transactions via Gateway's new SubmitSignedTx endpoint, updating send_messages_and_wait_commit documentation to reflect production relayer-signed flow instead of deprecated Gateway-signed mode, adding integration tests for end-to-end signing workflow, and deprecating Gateway's signerWalletSeed configuration with clear documentation that production uses Hermes signing while maintaining backwards compatibility for testing

3672f9e4 · feat/hermes-driver-crypto · 10/2,484 ++ 36 --

floor-licker · Tue, 02 Dec 25 19:32:06 +0000 · cardano-ibc-incubator

feat: refactor Gateway to return unsigned transactions for Hermes relayer signing, removing internal Gateway signing from all IBC message handlers (CreateClient, UpdateClient, ConnectionOpenInit, ConnectionOpenTry, ConnectionOpenAck, ConnectionOpenConfirm, ChannelOpenInit, ChannelOpenTry, ChannelOpenAck, ChannelOpenConfirm, ChannelCloseInit, RecvPacket, SendPacket, TimeoutPacket, TimeoutRefresh, AckPacket) and adding SubmitSignedTx gRPC endpoint for Hermes to submit signed transactions via Ogmios

bc1d477c · feat/hermes-driver-crypto · 8/256 ++ 106 --

floor-licker · Tue, 02 Dec 25 19:18:58 +0000 · cardano-ibc-incubator

feat: implement packet commitment/acknowledgement queries and transaction submission scaffold, adding 7 packet query methods (query_packet_commitment, query_packet_commitments, query_unreceived_packets, query_packet_receipt, query_packet_acknowledgement, query_packet_acknowledgements, query_unreceived_acknowledgements) and transaction submission with Gateway-signed mode documentation

530ebdfd · feat/hermes-driver-crypto · 2/299 ++ 55 --

floor-licker · Tue, 02 Dec 25 19:13:06 +0000 · cardano-ibc-incubator

feat: add CLI binary and config module for standalone Cardano IBC operations, enabling direct query of IBC clients/connections/channels without requiring full Hermes integration, with key generation and health check commands

3553dd0e · feat/hermes-driver-crypto · 5/444 ++ 0 --

floor-licker · Tue, 02 Dec 25 18:26:20 +0000 · cardano-ibc-incubator

feat: implement Categories 5-7 IBC query methods with full gRPC integration, adding client/connection/channel queries including query_clients, query_client_connections, query_consensus_state, query_connections, query_channels, and query_next_sequence_receive with proper protobuf serialization

1f74a645 · feat/hermes-driver-crypto · 2/312 ++ 34 --

floor-licker · Tue, 02 Dec 25 18:16:29 +0000 · cardano-ibc-incubator

feat: implement comprehensive ChainHandle skeleton with 40+ methods organized by category, covering lifecycle management, IBC client/connection/channel queries, transaction submission, and packet operations, providing complete trait interface for incremental Hermes integration

d771a0c4 · feat/hermes-driver-crypto · 2/461 ++ 19 --

floor-licker · Tue, 02 Dec 25 18:01:52 +0000 · cardano-ibc-incubator

feat: integrate Gateway gRPC client with protobuf code generation, implementing query_latest_height and query_client_state methods using tonic-generated clients from IBC proto definitions, establishing foundation for transaction building and submission flows

e8c28f4d · feat/hermes-driver-crypto · 19/5,345 ++ 49 --

floor-licker · Tue, 02 Dec 25 16:12:29 +0000 · cardano-ibc-incubator

feat: implement CIP-1852 key derivation and Ed25519 transaction signing for Hermes driver, adding slip10-based hierarchical deterministic key generation from BIP39 mnemonics with full test coverage for payment key derivation, address generation, and transaction signing flows

f7c3206c · feat/hermes-driver-crypto · 7/4,464 ++ 120 --

floor-licker · Tue, 02 Dec 25 15:50:38 +0000 · cardano-ibc-incubator

docs: Update README.md with warning about trust assumptions, limitations around UTXO inclusion proofs

fe865010 · develop · 1/5 ++ 0 --

floor-licker · Tue, 02 Dec 25 15:44:53 +0000 · cardano-ibc-incubator

Merge pull request #269 from cardano-foundation/feat/stt-host-state

feat: STT host state

17894c8d · develop · 9/608 ++ 65 --

floor-licker · Tue, 02 Dec 25 15:08:20 +0000 · cardano-ibc-incubator

Merge pull request #261 from cardano-foundation/fix/cosmos-ignite-cli-version

fix: cosmos sidechain dockerfile to use existing ignite cli version v2…

b73fa3ef · main · 1/1 ++ 1 --

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