syntax = "proto3";
package cosmos.staking.v1beta1;

import "gogoproto/gogo.proto";
import "google/protobuf/any.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";

import "cosmos_proto/cosmos.proto";
import "cosmos/base/v1beta1/coin.proto";
import "amino/amino.proto";
import "tendermint/types/types.proto";
import "tendermint/abci/types.proto";

option go_package = "github.com/cosmos/cosmos-sdk/x/staking/types";

// HistoricalInfo contains header and validator information for a given block.
// It is stored as part of staking module's state, which persists the `n` most
// recent HistoricalInfo
// (`n` is set by the staking module's `historical_entries` parameter).
message HistoricalInfo {
  tendermint.types.Header header = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
  repeated Validator      valset = 2 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
}

// CommissionRates defines the initial commission rates to be used for creating
// a validator.
message CommissionRates {
  option (gogoproto.equal) = true;

  // rate is the commission rate charged to delegators, as a fraction.
  string rate = 1 [
    (cosmos_proto.scalar)  = "cosmos.Dec",
    (gogoproto.customtype) = "cosmossdk.io/math.LegacyDec",
    (gogoproto.nullable)   = false,
    (amino.dont_omitempty) = true
  ];
  // max_rate defines the maximum commission rate which validator can ever charge, as a fraction.
  string max_rate = 2 [
    (cosmos_proto.scalar)  = "cosmos.Dec",
    (gogoproto.customtype) = "cosmossdk.io/math.LegacyDec",
    (gogoproto.nullable)   = false,
    (amino.dont_omitempty) = true
  ];
  // max_change_rate defines the maximum daily increase of the validator commission, as a fraction.
  string max_change_rate = 3 [
    (cosmos_proto.scalar)  = "cosmos.Dec",
    (gogoproto.customtype) = "cosmossdk.io/math.LegacyDec",
    (gogoproto.nullable)   = false,
    (amino.dont_omitempty) = true
  ];
}

// Commission defines commission parameters for a given validator.
message Commission {
  option (gogoproto.equal) = true;

  // commission_rates defines the initial commission rates to be used for creating a validator.
  CommissionRates commission_rates = 1
      [(gogoproto.embed) = true, (gogoproto.nullable) = false, (amino.dont_omitempty) = true];
  // update_time is the last time the commission rate was changed.
  google.protobuf.Timestamp update_time = 2
      [(gogoproto.nullable) = false, (amino.dont_omitempty) = true, (gogoproto.stdtime) = true];
}

// Description defines a validator description.
message Description {
  option (gogoproto.equal) = true;

  // moniker defines a human-readable name for the validator.
  string moniker = 1;
  // identity defines an optional identity signature (ex. UPort or Keybase).
  string identity = 2;
  // website defines an optional website link.
  string website = 3;
  // security_contact defines an optional email for security contact.
  string security_contact = 4;
  // details define other optional details.
  string details = 5;
}

// Validator defines a validator, together with the total amount of the
// Validator's bond shares and their exchange rate to coins. Slashing results in
// a decrease in the exchange rate, allowing correct calculation of future
// undelegations without iterating over delegators. When coins are delegated to
// this validator, the validator is credited with a delegation whose number of
// bond shares is based on the amount of coins delegated divided by the current
// exchange rate. Voting power can be calculated as total bonded shares
// multiplied by exchange rate.
message Validator {
  option (gogoproto.equal)           = false;
  option (gogoproto.goproto_getters) = false;

  // operator_address defines the address of the validator's operator; bech encoded in JSON.
  string operator_address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
  // consensus_pubkey is the consensus public key of the validator, as a Protobuf Any.
  google.protobuf.Any consensus_pubkey = 2 [(cosmos_proto.accepts_interface) = "cosmos.crypto.PubKey"];
  // jailed defined whether the validator has been jailed from bonded status or not.
  bool jailed = 3;
  // status is the validator status (bonded/unbonding/unbonded).
  BondStatus status = 4;
  // tokens define the delegated tokens (incl. self-delegation).
  string tokens = 5 [
    (cosmos_proto.scalar)  = "cosmos.Int",
    (gogoproto.customtype) = "cosmossdk.io/math.Int",
    (gogoproto.nullable)   = false
  ];
  // delegator_shares defines total shares issued to a validator's delegators.
  string delegator_shares = 6 [
    (cosmos_proto.scalar)  = "cosmos.Dec",
    (gogoproto.customtype) = "cosmossdk.io/math.LegacyDec",
    (gogoproto.nullable)   = false
  ];
  // description defines the description terms for the validator.
  Description description = 7 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
  // unbonding_height defines, if unbonding, the height at which this validator has begun unbonding.
  int64 unbonding_height = 8;
  // unbonding_time defines, if unbonding, the min time for the validator to complete unbonding.
  google.protobuf.Timestamp unbonding_time = 9
      [(gogoproto.nullable) = false, (amino.dont_omitempty) = true, (gogoproto.stdtime) = true];
  // commission defines the commission parameters.
  Commission commission = 10 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
  // min_self_delegation is the validator's self declared minimum self delegation.
  string min_self_delegation = 11 [
    (cosmos_proto.field_added_in) = "cosmos-sdk 0.46",
    (cosmos_proto.scalar)         = "cosmos.Int",
    (gogoproto.customtype)        = "cosmossdk.io/math.Int",
    (gogoproto.nullable)          = false
  ];

  // strictly positive if this validator's unbonding has been stopped by external modules
  int64 unbonding_on_hold_ref_count = 12;

  // list of unbonding ids, each uniquely identifing an unbonding of this validator
  repeated uint64 unbonding_ids = 13;
}

// BondStatus is the status of a validator.
enum BondStatus {
  option (gogoproto.goproto_enum_prefix) = false;

  // UNSPECIFIED defines an invalid validator status.
  BOND_STATUS_UNSPECIFIED = 0 [(gogoproto.enumvalue_customname) = "Unspecified"];
  // UNBONDED defines a validator that is not bonded.
  BOND_STATUS_UNBONDED = 1 [(gogoproto.enumvalue_customname) = "Unbonded"];
  // UNBONDING defines a validator that is unbonding.
  BOND_STATUS_UNBONDING = 2 [(gogoproto.enumvalue_customname) = "Unbonding"];
  // BONDED defines a validator that is bonded.
  BOND_STATUS_BONDED = 3 [(gogoproto.enumvalue_customname) = "Bonded"];
}

// ValAddresses defines a repeated set of validator addresses.
message ValAddresses {
  repeated string addresses = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
}

// DVPair is struct that just has a delegator-validator pair with no other data.
// It is intended to be used as a marshalable pointer. For example, a DVPair can
// be used to construct the key to getting an UnbondingDelegation from state.
message DVPair {
  option (gogoproto.equal)           = false;
  option (gogoproto.goproto_getters) = false;

  string delegator_address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
  string validator_address = 2 [(cosmos_proto.scalar) = "cosmos.ValidatorAddressString"];
}

// DVPairs defines an array of DVPair objects.
message DVPairs {
  repeated DVPair pairs = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
}

// DVVTriplet is struct that just has a delegator-validator-validator triplet
// with no other data. It is intended to be used as a marshalable pointer. For
// example, a DVVTriplet can be used to construct the key to getting a
// Redelegation from state.
message DVVTriplet {
  option (gogoproto.equal)           = false;
  option (gogoproto.goproto_getters) = false;

  string delegator_address     = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
  string validator_src_address = 2 [(cosmos_proto.scalar) = "cosmos.ValidatorAddressString"];
  string validator_dst_address = 3 [(cosmos_proto.scalar) = "cosmos.ValidatorAddressString"];
}

// DVVTriplets defines an array of DVVTriplet objects.
message DVVTriplets {
  repeated DVVTriplet triplets = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
}

// Delegation represents the bond with tokens held by an account. It is
// owned by one delegator, and is associated with the voting power of one
// validator.
message Delegation {
  option (gogoproto.equal)           = false;
  option (gogoproto.goproto_getters) = false;

  // delegator_address is the encoded address of the delegator.
  string delegator_address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
  // validator_address is the encoded address of the validator.
  string validator_address = 2 [(cosmos_proto.scalar) = "cosmos.ValidatorAddressString"];
  // shares define the delegation shares received.
  string shares = 3 [
    (cosmos_proto.scalar)  = "cosmos.Dec",
    (gogoproto.customtype) = "cosmossdk.io/math.LegacyDec",
    (gogoproto.nullable)   = false
  ];
}

// UnbondingDelegation stores all of a single delegator's unbonding bonds
// for a single validator in an time-ordered list.
message UnbondingDelegation {
  option (gogoproto.equal)           = false;
  option (gogoproto.goproto_getters) = false;

  // delegator_address is the encoded address of the delegator.
  string delegator_address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
  // validator_address is the encoded address of the validator.
  string validator_address = 2 [(cosmos_proto.scalar) = "cosmos.ValidatorAddressString"];
  // entries are the unbonding delegation entries.
  repeated UnbondingDelegationEntry entries = 3
      [(gogoproto.nullable) = false, (amino.dont_omitempty) = true]; // unbonding delegation entries
}

// UnbondingDelegationEntry defines an unbonding object with relevant metadata.
message UnbondingDelegationEntry {
  option (gogoproto.equal) = true;

  // creation_height is the height which the unbonding took place.
  int64 creation_height = 1;
  // completion_time is the unix time for unbonding completion.
  google.protobuf.Timestamp completion_time = 2
      [(gogoproto.nullable) = false, (amino.dont_omitempty) = true, (gogoproto.stdtime) = true];
  // initial_balance defines the tokens initially scheduled to receive at completion.
  string initial_balance = 3 [
    (cosmos_proto.scalar)  = "cosmos.Int",
    (gogoproto.customtype) = "cosmossdk.io/math.Int",
    (gogoproto.nullable)   = false
  ];
  // balance defines the tokens to receive at completion.
  string balance = 4 [
    (cosmos_proto.scalar)  = "cosmos.Int",
    (gogoproto.customtype) = "cosmossdk.io/math.Int",
    (gogoproto.nullable)   = false
  ];
  // Incrementing id that uniquely identifies this entry
  uint64 unbonding_id = 5;

  // Strictly positive if this entry's unbonding has been stopped by external modules
  int64 unbonding_on_hold_ref_count = 6;
}

// RedelegationEntry defines a redelegation object with relevant metadata.
message RedelegationEntry {
  option (gogoproto.equal) = true;

  // creation_height  defines the height which the redelegation took place.
  int64 creation_height = 1;
  // completion_time defines the unix time for redelegation completion.
  google.protobuf.Timestamp completion_time = 2
      [(gogoproto.nullable) = false, (amino.dont_omitempty) = true, (gogoproto.stdtime) = true];
  // initial_balance defines the initial balance when redelegation started.
  string initial_balance = 3 [
    (cosmos_proto.scalar)  = "cosmos.Int",
    (gogoproto.customtype) = "cosmossdk.io/math.Int",
    (gogoproto.nullable)   = false
  ];
  // shares_dst is the amount of destination-validator shares created by redelegation.
  string shares_dst = 4 [
    (cosmos_proto.scalar)  = "cosmos.Dec",
    (gogoproto.customtype) = "cosmossdk.io/math.LegacyDec",
    (gogoproto.nullable)   = false
  ];
  // Incrementing id that uniquely identifies this entry
  uint64 unbonding_id = 5;

  // Strictly positive if this entry's unbonding has been stopped by external modules
  int64 unbonding_on_hold_ref_count = 6;
}

// Redelegation contains the list of a particular delegator's redelegating bonds
// from a particular source validator to a particular destination validator.
message Redelegation {
  option (gogoproto.equal)           = false;
  option (gogoproto.goproto_getters) = false;

  // delegator_address is the bech32-encoded address of the delegator.
  string delegator_address = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
  // validator_src_address is the validator redelegation source operator address.
  string validator_src_address = 2 [(cosmos_proto.scalar) = "cosmos.ValidatorAddressString"];
  // validator_dst_address is the validator redelegation destination operator address.
  string validator_dst_address = 3 [(cosmos_proto.scalar) = "cosmos.ValidatorAddressString"];
  // entries are the redelegation entries.
  repeated RedelegationEntry entries = 4
      [(gogoproto.nullable) = false, (amino.dont_omitempty) = true]; // redelegation entries
}

// Params defines the parameters for the x/staking module.
message Params {
  option (amino.name)      = "cosmos-sdk/x/staking/Params";
  option (gogoproto.equal) = true;

  // unbonding_time is the time duration of unbonding.
  google.protobuf.Duration unbonding_time = 1
      [(gogoproto.nullable) = false, (amino.dont_omitempty) = true, (gogoproto.stdduration) = true];
  // max_validators is the maximum number of validators.
  uint32 max_validators = 2;
  // max_entries is the max entries for either unbonding delegation or redelegation (per pair/trio).
  uint32 max_entries = 3;
  // historical_entries is the number of historical entries to persist.
  uint32 historical_entries = 4;
  // bond_denom defines the bondable coin denomination.
  string bond_denom = 5;
  // min_commission_rate is the chain-wide minimum commission rate that a validator can charge their delegators
  string min_commission_rate = 6 [
    (gogoproto.moretags)   = "yaml:\"min_commission_rate\"",
    (gogoproto.customtype) = "cosmossdk.io/math.LegacyDec",
    (gogoproto.nullable)   = false,
    (amino.dont_omitempty) = true,
    (cosmos_proto.scalar)  = "cosmos.Dec"
  ];
}

// DelegationResponse is equivalent to Delegation except that it contains a
// balance in addition to shares which is more suitable for client responses.
message DelegationResponse {
  option (gogoproto.equal) = false;

  Delegation delegation = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];

  cosmos.base.v1beta1.Coin balance = 2 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
}

// RedelegationEntryResponse is equivalent to a RedelegationEntry except that it
// contains a balance in addition to shares which is more suitable for client
// responses.
message RedelegationEntryResponse {
  option (gogoproto.equal) = true;

  RedelegationEntry redelegation_entry = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
  string            balance            = 4 [
    (cosmos_proto.scalar)  = "cosmos.Int",
    (gogoproto.customtype) = "cosmossdk.io/math.Int",
    (gogoproto.nullable)   = false
  ];
}

// RedelegationResponse is equivalent to a Redelegation except that its entries
// contain a balance in addition to shares which is more suitable for client
// responses.
message RedelegationResponse {
  option (gogoproto.equal) = false;

  Redelegation                       redelegation = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
  repeated RedelegationEntryResponse entries      = 2 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
}

// Pool is used for tracking bonded and not-bonded token supply of the bond
// denomination.
message Pool {
  option (gogoproto.description) = true;
  option (gogoproto.equal)       = true;
  string not_bonded_tokens       = 1 [
    (cosmos_proto.scalar)  = "cosmos.Int",
    (gogoproto.customtype) = "cosmossdk.io/math.Int",
    (gogoproto.nullable)   = false,
    (gogoproto.jsontag)    = "not_bonded_tokens",
    (amino.dont_omitempty) = true
  ];
  string bonded_tokens = 2 [
    (cosmos_proto.scalar)  = "cosmos.Int",
    (gogoproto.customtype) = "cosmossdk.io/math.Int",
    (gogoproto.nullable)   = false,
    (gogoproto.jsontag)    = "bonded_tokens",
    (amino.dont_omitempty) = true
  ];
}

// Infraction indicates the infraction a validator commited.
enum Infraction {
  // UNSPECIFIED defines an empty infraction.
  INFRACTION_UNSPECIFIED = 0;
  // DOUBLE_SIGN defines a validator that double-signs a block.
  INFRACTION_DOUBLE_SIGN = 1;
  // DOWNTIME defines a validator that missed signing too many blocks.
  INFRACTION_DOWNTIME = 2;
}

// ValidatorUpdates defines an array of abci.ValidatorUpdate objects.
// TODO: explore moving this to proto/cosmos/base to separate modules from tendermint dependence
message ValidatorUpdates {
  repeated tendermint.abci.ValidatorUpdate updates = 1 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
}
