Packet Queries

Use the query packet commands to query information about packets.

DESCRIPTION:
Query information about packets

USAGE:
    hermes query packet <SUBCOMMAND>

OPTIONS:
    -h, --help    Print help information

SUBCOMMANDS:
    ack              Query packet acknowledgment
    acks             Query packet acknowledgments
    commitment       Query packet commitment
    commitments      Query packet commitments
    help             Print this message or the help of the given subcommand(s)
    pending          Output a summary of pending packets in both directions
    pending-acks     Query pending acknowledgments
    pending-sends    Query pending send packets

Table of Contents

Pending Packets

Use the query packet pending command to query the sequence numbers of all packets that have not yet been received or acknowledged, at both ends of a channel.

DESCRIPTION:
Output a summary of pending packets in both directions

USAGE:
    hermes query packet pending --chain <CHAIN_ID> --port <PORT_ID> --channel <CHANNEL_ID>

OPTIONS:
    -h, --help    Print help information

REQUIRED:
        --chain <CHAIN_ID>        Identifier of the chain at one end of the channel
        --channel <CHANNEL_ID>    Channel identifier on the chain given by <CHAIN_ID> [aliases:
                                  chan]
        --port <PORT_ID>          Port identifier on the chain given by <CHAIN_ID>

Example

Query the sequence numbers of all packets that either not yet been received or not yet been acknowledged, at both ends of the channel channel-1.

hermes query packet pending --chain ibc-0 --port transfer --channel channel-1
Success: Summary {
    forward: PendingPackets {
        unreceived_packets: [
            2203,
            ...
            2212,
        ],
        unreceived_acks: [
           2183,
           ...
           2202,
        ],
    },
    reverse: PendingPackets {
        unreceived_packets: [
           14,
           ...
           23,
        ],
        unreceived_acks: [
           4,
           ...
           13,
        ],
    },
}

Packet Commitments

Use the query packet commitments command to query the sequence numbers of all packets that have been sent but not yet acknowledged (these are the packets that still have their commitments stored).

DESCRIPTION:
Query packet commitments

USAGE:
    hermes query packet commitments --chain <CHAIN_ID> --port <PORT_ID> --channel <CHANNEL_ID>

OPTIONS:
    -h, --help    Print help information

REQUIRED:
        --chain <CHAIN_ID>        Identifier of the chain to query
        --channel <CHANNEL_ID>    Identifier of the channel to query [aliases: chan]
        --port <PORT_ID>          Identifier of the port to query

Example

Query ibc-0 for the sequence numbers of packets that still have commitments on ibc-0 and that were sent on transfer port and channel-0:

hermes query packet commitments --chain ibc-0 --port transfer --channel channel-0
Success: PacketSeqs {
    height: Height {
        revision: 0,
        height: 9154,
    },
    seqs: [
        1,
        2,
        3
    ],
}

Packet Commitment with Sequence

Use the query packet commitment command to query the commitment value of a packet with a given sequence number.

DESCRIPTION:
Query packet commitment

USAGE:
    hermes query packet commitment [OPTIONS] --chain <CHAIN_ID> --port <PORT_ID> --channel <CHANNEL_ID> --sequence <SEQUENCE>

OPTIONS:
    -h, --help               Print help information
        --height <HEIGHT>    Height of the state to query. Leave unspecified for latest height.

REQUIRED:
        --chain <CHAIN_ID>        Identifier of the chain to query
        --channel <CHANNEL_ID>    Identifier of the channel to query [aliases: chan]
        --port <PORT_ID>          Identifier of the port to query
        --sequence <SEQUENCE>     Sequence of packet to query [aliases: seq]

Example

Query ibc-0 for the commitment of packet with sequence 3 sent on transfer port and channel-0:

hermes query packet commitment --chain ibc-0 --port transfer --channel channel-0 --sequence 3
Success: "F9458DC7EBEBCD6D18E983FCAB5BD752CC2A74532BBD50B812DB229997739EFC"

Packet Acknowledgments

Use the query packet acks command to query the sequence numbers of all packets that have been acknowledged.

DESCRIPTION:
Query packet acknowledgments

USAGE:
    hermes query packet acks --chain <CHAIN_ID> --port <PORT_ID> --channel <CHANNEL_ID>

OPTIONS:
    -h, --help    Print help information

REQUIRED:
        --chain <CHAIN_ID>        Identifier of the chain to query
        --channel <CHANNEL_ID>    Identifier of the channel to query [aliases: chan]
        --port <PORT_ID>          Identifier of the port to query

Example

Query ibc-1 for the sequence numbers of packets acknowledged that were received on transfer port and channel-1:

hermes query packet acks --chain ibc-1 --port transfer --channel channel-1
Success: PacketSeqs {
    height: Height {
        revision: 1,
        height: 9547,
    },
    seqs: [
        1,
        2,
        3
    ],
}

Packet Acknowledgment with Sequence

Use the query packet acknowledgment command to query the acknowledgment value of a packet with a given sequence number.

DESCRIPTION:
Query packet acknowledgment

USAGE:
    hermes query packet ack [OPTIONS] --chain <CHAIN_ID> --port <PORT_ID> --channel <CHANNEL_ID> --sequence <SEQUENCE>

OPTIONS:
    -h, --help               Print help information
        --height <HEIGHT>    Height of the state to query. Leave unspecified for latest height.

REQUIRED:
        --chain <CHAIN_ID>        Identifier of the chain to query
        --channel <CHANNEL_ID>    Identifier of the channel to query [aliases: chan]
        --port <PORT_ID>          Identifier of the port to query
        --sequence <SEQUENCE>     Sequence of packet to query [aliases: seq]

Example

Query ibc-1 for the acknowledgment of packet with sequence 2 received on transfer port and channel-1:

hermes query packet ack --chain ibc-1 --port transfer --channel channel-1 --sequence 2
Success: "08F7557ED51826FE18D84512BF24EC75001EDBAF2123A477DF72A0A9F3640A7C"

Unreceived Packets

Use the query packet pending-sends command to query the sequence numbers of all packets that have been sent on the source chain but not yet received on the destination chain.

DESCRIPTION:
Query pending send packets

USAGE:
    hermes query packet pending-sends --chain <CHAIN_ID> --port <PORT_ID> --channel <CHANNEL_ID>

OPTIONS:
    -h, --help    Print help information

REQUIRED:
        --chain <CHAIN_ID>        Identifier of the chain for the unreceived sequences
        --channel <CHANNEL_ID>    Channel identifier [aliases: chan]
        --port <PORT_ID>          Port identifier

Example

Query transfer port and channel-1 on ibc-1 for the sequence numbers of packets sent on ibc-0 but not yet received:

hermes query packet pending-sends --chain ibc-1 --port transfer --channel channel-1
Success: [
    1,
    2,
    3
]

Unreceived Acknowledgments

Use the query packet pending-acks command to query the sequence numbers of all packets that have not yet been acknowledged.

DESCRIPTION:
Query pending acknowledgments

USAGE:
    hermes query packet pending-acks --chain <CHAIN_ID> --port <PORT_ID> --channel <CHANNEL_ID>

OPTIONS:
    -h, --help    Print help information

REQUIRED:
        --chain <CHAIN_ID>        Identifier of the chain to query the unreceived acknowledgments
        --channel <CHANNEL_ID>    Channel identifier [aliases: chan]
        --port <PORT_ID>          Port identifier

Example

Query transfer port and channel-0 on ibc-0 for the sequence numbers of packets received by ibc-1 but not yet acknowledged on ibc-0:

hermes query packet pending-acks --chain ibc-0 --port transfer --channel channel-0
Success: [
    1,
    2,
    3
]