mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 13:07:17 +00:00
124 lines
3.4 KiB
Go
124 lines
3.4 KiB
Go
// Copyright 2014 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 eth
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
)
|
|
|
|
// Supported versions of the eth protocol (first is primary).
|
|
var ProtocolVersions = []uint{61, 60}
|
|
|
|
// Number of implemented message corresponding to different protocol versions.
|
|
var ProtocolLengths = []uint64{9, 8}
|
|
|
|
const (
|
|
NetworkId = 1
|
|
ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
|
|
)
|
|
|
|
// eth protocol message codes
|
|
const (
|
|
StatusMsg = iota
|
|
NewBlockHashesMsg
|
|
TxMsg
|
|
GetBlockHashesMsg
|
|
BlockHashesMsg
|
|
GetBlocksMsg
|
|
BlocksMsg
|
|
NewBlockMsg
|
|
GetBlockHashesFromNumberMsg
|
|
)
|
|
|
|
type errCode int
|
|
|
|
const (
|
|
ErrMsgTooLarge = iota
|
|
ErrDecode
|
|
ErrInvalidMsgCode
|
|
ErrProtocolVersionMismatch
|
|
ErrNetworkIdMismatch
|
|
ErrGenesisBlockMismatch
|
|
ErrNoStatusMsg
|
|
ErrExtraStatusMsg
|
|
ErrSuspendedPeer
|
|
)
|
|
|
|
func (e errCode) String() string {
|
|
return errorToString[int(e)]
|
|
}
|
|
|
|
// XXX change once legacy code is out
|
|
var errorToString = map[int]string{
|
|
ErrMsgTooLarge: "Message too long",
|
|
ErrDecode: "Invalid message",
|
|
ErrInvalidMsgCode: "Invalid message code",
|
|
ErrProtocolVersionMismatch: "Protocol version mismatch",
|
|
ErrNetworkIdMismatch: "NetworkId mismatch",
|
|
ErrGenesisBlockMismatch: "Genesis block mismatch",
|
|
ErrNoStatusMsg: "No status message",
|
|
ErrExtraStatusMsg: "Extra status message",
|
|
ErrSuspendedPeer: "Suspended peer",
|
|
}
|
|
|
|
type txPool interface {
|
|
// AddTransactions should add the given transactions to the pool.
|
|
AddTransactions([]*types.Transaction)
|
|
|
|
// GetTransactions should return pending transactions.
|
|
// The slice should be modifiable by the caller.
|
|
GetTransactions() types.Transactions
|
|
}
|
|
|
|
type chainManager interface {
|
|
GetBlockHashesFromHash(hash common.Hash, amount uint64) (hashes []common.Hash)
|
|
GetBlock(hash common.Hash) (block *types.Block)
|
|
Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash)
|
|
}
|
|
|
|
// statusData is the network packet for the status message.
|
|
type statusData struct {
|
|
ProtocolVersion uint32
|
|
NetworkId uint32
|
|
TD *big.Int
|
|
CurrentBlock common.Hash
|
|
GenesisBlock common.Hash
|
|
}
|
|
|
|
// getBlockHashesData is the network packet for the hash based block retrieval
|
|
// message.
|
|
type getBlockHashesData struct {
|
|
Hash common.Hash
|
|
Amount uint64
|
|
}
|
|
|
|
// getBlockHashesFromNumberData is the network packet for the number based block
|
|
// retrieval message.
|
|
type getBlockHashesFromNumberData struct {
|
|
Number uint64
|
|
Amount uint64
|
|
}
|
|
|
|
// newBlockData is the network packet for the block propagation message.
|
|
type newBlockData struct {
|
|
Block *types.Block
|
|
TD *big.Int
|
|
}
|