This section gives more details about the features and implementation status of Hermes in comparison with the cosmos-go-relayer.
Legend:
| Term | Description |
|---|---|
| ❌ | feature not supported |
| ✅ | feature is supported |
Chain |
chain related |
Cl |
client related |
Conn |
connection related |
Chan |
channel related |
.._Handshake_.. |
can execute all transactions required to finish a handshake from a single command |
.._<msg>_A |
building and sending msg from a command that scans chain state |
.._<msg>_P |
building and sending msg from IBC event; doesn't apply to .._Init and FT_Transfer features |
Feature comparison between Hermes and the Go relayer
| Features \ Status | Hermes | Cosmos Go | Feature Details |
|---|---|---|---|
| Restart | ❌ | ✅ | replays any IBC events that happened before restart |
| Multiple_Paths | ❌ | ✅ | relays on multiple paths concurrently |
| Chan_Unordered | ✅ | ✅ | |
| Chan_Ordered | ❌ | ❓ | |
| Cl_Tendermint_Create | ✅ | ✅ | tendermint light client creation |
| Cl_Tendermint_Update | ✅ | ✅ | tendermint light client update |
| Cl_Tendermint_Upgrade | ❌ | ✅ | tendermint light client upgrade |
| Conn_Handshake_A | ✅ | ✅ | |
| Conn_Handshake_P | ❌ | ❌ | |
| Chan_Handshake_A | ✅ | ✅ | |
| Chan_Handshake_P | ❌ | ❌ | |
| Conn_Open_Init | ✅ | ✅ | |
| Conn_Open_Try_A | ✅ | ✅ | |
| Conn_Open_Try_P | ❌ | ❌ | |
| Conn_Open_Ack_A | ✅ | ✅ | |
| Conn_Open_Ack_P | ❌ | ❌ | |
| Conn_Open_Confirm_A | ✅ | ✅ | |
| Conn_Open_Confirm_P | ❌ | ❌ | |
| Chan_Open_Init | ✅ | ✅ | |
| Chan_Open_Try_A | ✅ | ✅ | |
| Chan_Open_Try_P | ❌ | ❌ | |
| Chan_Open_Ack_A | ✅ | ✅ | |
| Chan_Open_Ack_P | ❌ | ❌ | |
| Chan_Open_Confirm_A | ✅ | ✅ | |
| Chan_Open_Confirm_P | ❌ | ❌ | |
| Chan_Close_Init | ✅ | ✅ | |
| Chan_Close_Confirm_A | ✅ | ✅ | |
| Chan_Close_Confirm_P | ❌ | ❌ | |
| FT_Transfer | ✅ | ✅ | can submit an ICS-20 fungible token transfer message |
| Packet_Recv_A | ✅ | ✅ | |
| Packet_Recv_P | ✅ | ✅ | |
| Packet_Timeout_A | ✅ | ✅ | |
| Packet_Timeout_P | ✅ | ✅ | |
| Packet_TimeoutClose_A | ✅ | ❓ | |
| Packet_TimeoutClose_P | ✅ | ❓ | |
| Upgrade_Plan_Proposal | ❌ | ✅ | submit UpgradePlan proposals for IBC breaking upgrades |
| Cl_Unfreeze_Proposal | ❌ | ❌ | submit IBC client unfreezing proposals |
| Cl_Misbehavior | ❌ | ❌ | monitors and submits IBC client misbehavior |
| Cl_Non_Tendermint | ❌ | ❌ | supports non tendermint IBC light clients |
| Chain_Non_Cosmos | ❌ | ❌ | supports non cosmos-SDK chains |
| Mgmt_Static | ✅ | ✅ | provides means for configuration prior to being started |
| Mgmt_Dynamic | ❌ | ❌ | provides means for configuration and monitoring during runtime |