syntax = "proto3";
package cosmos.base.crypto.v1beta1;

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

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

// PublicKey specifies a public key
message PublicKey {
  // sum specifies which type of public key is wrapped
  oneof sum {
    bytes                   secp256k1 = 1;
    bytes                   ed25519   = 2;
    bytes                   sr25519   = 3;
    PubKeyMultisigThreshold multisig  = 4;
    bytes                   secp256r1 = 5;

    // any_pubkey can be used for any pubkey that an app may use which is
    // not explicitly defined in the oneof
    google.protobuf.Any any_pubkey = 15;  // 15 is largest field that occupies one byte
  }
}

// PubKeyMultisigThreshold specifies a public key type which nests multiple public
// keys and a threshold
message PubKeyMultisigThreshold {
  uint32             threshold = 1 [(gogoproto.customname) = "K", (gogoproto.moretags) = "yaml:\"threshold\""];
  repeated PublicKey public_keys = 2 [(gogoproto.customname) = "PubKeys", (gogoproto.moretags) = "yaml:\"pubkeys\""];
}

// MultiSignature wraps the signatures from a PubKeyMultisigThreshold.
// See cosmos.tx.v1betata1.ModeInfo.Multi for how to specify which signers signed and
// with which modes.
message MultiSignature {
  option (gogoproto.goproto_unrecognized) = true;
  repeated bytes signatures = 1;
}

// CompactBitArray is an implementation of a space efficient bit array.
// This is used to ensure that the encoded data takes up a minimal amount of
// space after proto encoding.
// This is not thread safe, and is not intended for concurrent usage.
message CompactBitArray {
  option (gogoproto.goproto_stringer) = false;

  uint32 extra_bits_stored = 1;
  bytes  elems             = 2;
}