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all: implement eip-7002 EL triggered withdrawal requests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // Copyright 2024 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" | ||
| "encoding/binary" | ||
|
|
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| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/ethereum/go-ethereum/rlp" | ||
| ) | ||
|
|
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| // WithdrawalRequest represents an EIP-7002 withdrawal request from source for | ||
| // the validator associated with the public key for amount. | ||
| type WithdrawalRequest struct { | ||
| Source common.Address `json:"source"` | ||
| PublicKey BLSPublicKey `json:"pubkey"` | ||
| Amount uint64 `json:"amount"` | ||
| } | ||
|
|
||
| func (w *WithdrawalRequest) Bytes() []byte { | ||
| out := make([]byte, 76) | ||
| copy(out, w.Source.Bytes()) | ||
| copy(out[20:], w.PublicKey[:]) | ||
| binary.LittleEndian.PutUint64(out, w.Amount) | ||
| return out | ||
| } | ||
|
|
||
| // WithdrawalRequests implements DerivableList for withdrawal requests. | ||
| type WithdrawalRequests []*WithdrawalRequest | ||
|
|
||
| // Len returns the length of s. | ||
| func (s WithdrawalRequests) Len() int { return len(s) } | ||
|
|
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| // EncodeIndex encodes the i'th withdrawal request to w. | ||
| func (s WithdrawalRequests) EncodeIndex(i int, w *bytes.Buffer) { | ||
| rlp.Encode(w, s[i]) | ||
| } | ||
|
|
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| // Requests creates a deep copy of each deposit and returns a slice of the | ||
| // withdrwawal requests as Request objects. | ||
| func (s WithdrawalRequests) Requests() (reqs Requests) { | ||
| for _, d := range s { | ||
| reqs = append(reqs, NewRequest(d)) | ||
| } | ||
| return | ||
| } | ||
|
|
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| func (w *WithdrawalRequest) requestType() byte { return WithdrawalRequestType } | ||
| func (w *WithdrawalRequest) encode(b *bytes.Buffer) error { return rlp.Encode(b, w) } | ||
| func (w *WithdrawalRequest) decode(input []byte) error { return rlp.DecodeBytes(input, w) } | ||
| func (w *WithdrawalRequest) copy() RequestData { | ||
| return &WithdrawalRequest{ | ||
| Source: w.Source, | ||
| PublicKey: w.PublicKey, | ||
| Amount: w.Amount, | ||
| } | ||
| } |
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