syntax = "proto3"; package ibc.lightclients.tendermint.v1; option go_package = "github.com/cosmos/ibc-go/v3/modules/light-clients/07-tendermint/types"; import "tendermint/types/validator.proto"; import "tendermint/types/types.proto"; import "proofs.proto"; import "google/protobuf/duration.proto"; import "google/protobuf/timestamp.proto"; import "ibc/core/client/v1/client.proto"; import "ibc/core/commitment/v1/commitment.proto"; import "gogoproto/gogo.proto"; // ClientState from Tendermint tracks the current validator set, latest height, // and a possible frozen height. message ClientState { option (gogoproto.goproto_getters) = false; string chain_id = 1; Fraction trust_level = 2 [(gogoproto.nullable) = false, (gogoproto.moretags) = "yaml:\"trust_level\""]; // duration of the period since the LastestTimestamp during which the // submitted headers are valid for upgrade google.protobuf.Duration trusting_period = 3 [(gogoproto.nullable) = false, (gogoproto.stdduration) = true, (gogoproto.moretags) = "yaml:\"trusting_period\""]; // duration of the staking unbonding period google.protobuf.Duration unbonding_period = 4 [ (gogoproto.nullable) = false, (gogoproto.stdduration) = true, (gogoproto.moretags) = "yaml:\"unbonding_period\"" ]; // defines how much new (untrusted) header's Time can drift into the future. google.protobuf.Duration max_clock_drift = 5 [(gogoproto.nullable) = false, (gogoproto.stdduration) = true, (gogoproto.moretags) = "yaml:\"max_clock_drift\""]; // Block height when the client was frozen due to a misbehaviour ibc.core.client.v1.Height frozen_height = 6 [(gogoproto.nullable) = false, (gogoproto.moretags) = "yaml:\"frozen_height\""]; // Latest height the client was updated to ibc.core.client.v1.Height latest_height = 7 [(gogoproto.nullable) = false, (gogoproto.moretags) = "yaml:\"latest_height\""]; // Proof specifications used in verifying counterparty state repeated ics23.ProofSpec proof_specs = 8 [(gogoproto.moretags) = "yaml:\"proof_specs\""]; // Path at which next upgraded client will be committed. // Each element corresponds to the key for a single CommitmentProof in the // chained proof. NOTE: ClientState must stored under // `{upgradePath}/{upgradeHeight}/clientState` ConsensusState must be stored // under `{upgradepath}/{upgradeHeight}/consensusState` For SDK chains using // the default upgrade module, upgrade_path should be []string{"upgrade", // "upgradedIBCState"}` repeated string upgrade_path = 9 [(gogoproto.moretags) = "yaml:\"upgrade_path\""]; // This flag, when set to true, will allow governance to recover a client // which has expired bool allow_update_after_expiry = 10 [(gogoproto.moretags) = "yaml:\"allow_update_after_expiry\""]; // This flag, when set to true, will allow governance to unfreeze a client // whose chain has experienced a misbehaviour event bool allow_update_after_misbehaviour = 11 [(gogoproto.moretags) = "yaml:\"allow_update_after_misbehaviour\""]; } // ConsensusState defines the consensus state from Tendermint. message ConsensusState { option (gogoproto.goproto_getters) = false; // timestamp that corresponds to the block height in which the ConsensusState // was stored. google.protobuf.Timestamp timestamp = 1 [(gogoproto.nullable) = false, (gogoproto.stdtime) = true]; // commitment root (i.e app hash) ibc.core.commitment.v1.MerkleRoot root = 2 [(gogoproto.nullable) = false]; bytes next_validators_hash = 3 [ (gogoproto.casttype) = "github.com/tendermint/tendermint/libs/bytes.HexBytes", (gogoproto.moretags) = "yaml:\"next_validators_hash\"" ]; } // Misbehaviour is a wrapper over two conflicting Headers // that implements Misbehaviour interface expected by ICS-02 message Misbehaviour { option (gogoproto.goproto_getters) = false; string client_id = 1 [(gogoproto.moretags) = "yaml:\"client_id\""]; Header header_1 = 2 [(gogoproto.customname) = "Header1", (gogoproto.moretags) = "yaml:\"header_1\""]; Header header_2 = 3 [(gogoproto.customname) = "Header2", (gogoproto.moretags) = "yaml:\"header_2\""]; } // Header defines the Tendermint client consensus Header. // It encapsulates all the information necessary to update from a trusted // Tendermint ConsensusState. The inclusion of TrustedHeight and // TrustedValidators allows this update to process correctly, so long as the // ConsensusState for the TrustedHeight exists, this removes race conditions // among relayers The SignedHeader and ValidatorSet are the new untrusted update // fields for the client. The TrustedHeight is the height of a stored // ConsensusState on the client that will be used to verify the new untrusted // header. The Trusted ConsensusState must be within the unbonding period of // current time in order to correctly verify, and the TrustedValidators must // hash to TrustedConsensusState.NextValidatorsHash since that is the last // trusted validator set at the TrustedHeight. message Header { .tendermint.types.SignedHeader signed_header = 1 [(gogoproto.embed) = true, (gogoproto.moretags) = "yaml:\"signed_header\""]; .tendermint.types.ValidatorSet validator_set = 2 [(gogoproto.moretags) = "yaml:\"validator_set\""]; ibc.core.client.v1.Height trusted_height = 3 [(gogoproto.nullable) = false, (gogoproto.moretags) = "yaml:\"trusted_height\""]; .tendermint.types.ValidatorSet trusted_validators = 4 [(gogoproto.moretags) = "yaml:\"trusted_validators\""]; } // Fraction defines the protobuf message type for tmmath.Fraction that only // supports positive values. message Fraction { uint64 numerator = 1; uint64 denominator = 2; }