// Copyright 2022 Prysmatic Labs.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";

package ethereum.eth.v2;

import "proto/eth/ext/options.proto";

option csharp_namespace = "Ethereum.Eth.V2";
option go_package = "github.com/prysmaticlabs/prysm/v4/proto/eth/v2;eth";
option java_multiple_files = true;
option java_outer_classname = "WithdrawalsProto";
option java_package = "org.ethereum.eth.v2";
option php_namespace = "Ethereum\\Eth\\v2";

// The message requesting a BLS to execution withdrawal credentials change
message BLSToExecutionChange {
  // The validator index requesting the change
  uint64 validator_index = 1 [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v4/consensus-types/primitives.ValidatorIndex"];

  // The public key of the BLS address requesting the change
  bytes from_bls_pubkey = 2 [(ethereum.eth.ext.ssz_size) = "48"];

  // The new execution address to be the withdrawal credentials
  bytes to_execution_address = 3 [(ethereum.eth.ext.ssz_size) = "20"];
}

// The signed version of a BLSToExecutionChange
message SignedBLSToExecutionChange {
  // The BLSToExecutionChange message itself
  BLSToExecutionChange message = 1;

  // The 96 byte BLS signature from the withdrawal address requesting the change
  bytes signature = 2 [(ethereum.eth.ext.ssz_size) = "96"];
}