cosmos-sdk/proto/ibc/core/connection/v1/connection.proto

105 lines
4.1 KiB
Protocol Buffer

syntax = "proto3";
package ibc.core.connection.v1;
option go_package = "github.com/cosmos/cosmos-sdk/x/ibc/core/03-connection/types";
import "gogoproto/gogo.proto";
import "ibc/core/commitment/v1/commitment.proto";
// ICS03 - Connection Data Structures as defined in
// https://github.com/cosmos/ics/tree/master/spec/ics-003-connection-semantics#data-structures
// ConnectionEnd defines a stateful object on a chain connected to another
// separate one.
// NOTE: there must only be 2 defined ConnectionEnds to establish
// a connection between two chains.
message ConnectionEnd {
option (gogoproto.goproto_getters) = false;
// client associated with this connection.
string client_id = 1 [(gogoproto.moretags) = "yaml:\"client_id\""];
// IBC version which can be utilised to determine encodings or protocols for
// channels or packets utilising this connection.
repeated Version versions = 2;
// current state of the connection end.
State state = 3;
// counterparty chain associated with this connection.
Counterparty counterparty = 4 [(gogoproto.nullable) = false];
// delay period that must pass before a consensus state can be used for packet-verification
// NOTE: delay period logic is only implemented by some clients.
uint64 delay_period = 5 [(gogoproto.moretags) = "yaml:\"delay_period\""];
}
// IdentifiedConnection defines a connection with additional connection
// identifier field.
message IdentifiedConnection {
option (gogoproto.goproto_getters) = false;
// connection identifier.
string id = 1 [(gogoproto.moretags) = "yaml:\"id\""];
// client associated with this connection.
string client_id = 2 [(gogoproto.moretags) = "yaml:\"client_id\""];
// IBC version which can be utilised to determine encodings or protocols for
// channels or packets utilising this connection
repeated Version versions = 3;
// current state of the connection end.
State state = 4;
// counterparty chain associated with this connection.
Counterparty counterparty = 5 [(gogoproto.nullable) = false];
// delay period associated with this connection.
uint64 delay_period = 6 [(gogoproto.moretags) = "yaml:\"delay_period\""];
}
// State defines if a connection is in one of the following states:
// INIT, TRYOPEN, OPEN or UNINITIALIZED.
enum State {
option (gogoproto.goproto_enum_prefix) = false;
// Default State
STATE_UNINITIALIZED_UNSPECIFIED = 0 [(gogoproto.enumvalue_customname) = "UNINITIALIZED"];
// A connection end has just started the opening handshake.
STATE_INIT = 1 [(gogoproto.enumvalue_customname) = "INIT"];
// A connection end has acknowledged the handshake step on the counterparty
// chain.
STATE_TRYOPEN = 2 [(gogoproto.enumvalue_customname) = "TRYOPEN"];
// A connection end has completed the handshake.
STATE_OPEN = 3 [(gogoproto.enumvalue_customname) = "OPEN"];
}
// Counterparty defines the counterparty chain associated with a connection end.
message Counterparty {
option (gogoproto.goproto_getters) = false;
// identifies the client on the counterparty chain associated with a given
// connection.
string client_id = 1 [(gogoproto.moretags) = "yaml:\"client_id\""];
// identifies the connection end on the counterparty chain associated with a
// given connection.
string connection_id = 2 [(gogoproto.moretags) = "yaml:\"connection_id\""];
// commitment merkle prefix of the counterparty chain.
ibc.core.commitment.v1.MerklePrefix prefix = 3 [(gogoproto.nullable) = false];
}
// ClientPaths define all the connection paths for a client state.
message ClientPaths {
// list of connection paths
repeated string paths = 1;
}
// ConnectionPaths define all the connection paths for a given client state.
message ConnectionPaths {
// client state unique identifier
string client_id = 1 [(gogoproto.moretags) = "yaml:\"client_id\""];
// list of connection paths
repeated string paths = 2;
}
// Version defines the versioning scheme used to negotiate the IBC verison in
// the connection handshake.
message Version {
option (gogoproto.goproto_getters) = false;
// unique version identifier
string identifier = 1;
// list of features compatible with the specified identifier
repeated string features = 2;
}