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withdrawal.go
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withdrawal.go
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// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package types
import (
"bytes"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/rlp"
)
//go:generate go run github.com/fjl/gencodec -type Withdrawal -field-override withdrawalMarshaling -out gen_withdrawal_json.go
//go:generate go run ../../rlp/rlpgen -type Withdrawal -out gen_withdrawal_rlp.go
// Withdrawal represents a validator withdrawal from the consensus layer.
type Withdrawal struct {
Index uint64 `json:"index"` // monotonically increasing identifier issued by consensus layer
Validator uint64 `json:"validatorIndex"` // index of validator associated with withdrawal
Address common.Address `json:"address"` // target address for withdrawn ether
Amount uint64 `json:"amount"` // value of withdrawal in Gwei
}
// field type overrides for gencodec
type withdrawalMarshaling struct {
Index hexutil.Uint64
Validator hexutil.Uint64
Amount hexutil.Uint64
}
// Withdrawals implements DerivableList for withdrawals.
type Withdrawals []*Withdrawal
// Len returns the length of s.
func (s Withdrawals) Len() int { return len(s) }
// EncodeIndex encodes the i'th withdrawal to w. Note that this does not check for errors
// because we assume that *Withdrawal will only ever contain valid withdrawals that were either
// constructed by decoding or via public API in this package.
func (s Withdrawals) EncodeIndex(i int, w *bytes.Buffer) {
rlp.Encode(w, s[i])
}