634 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			634 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2016 The go-ethereum Authors
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| // This file is part of the go-ethereum library.
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| //
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| // The go-ethereum library is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Lesser General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // The go-ethereum library is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| // GNU Lesser General Public License for more details.
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| //
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| // You should have received a copy of the GNU Lesser General Public License
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| // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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| 
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| package params
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| 
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| import (
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| 	"encoding/binary"
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| 	"fmt"
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| 	"math/big"
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| 
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| 	"github.com/ethereum/go-ethereum/common"
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| 	"github.com/ethereum/go-ethereum/crypto"
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| )
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| 
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| // Genesis hashes to enforce below configs on.
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| var (
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| 	MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
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| 	RopstenGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
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| 	RinkebyGenesisHash = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
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| 	GoerliGenesisHash  = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
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| 	YoloV1GenesisHash  = common.HexToHash("0xc3fd235071f24f93865b0850bd2a2119b30f7224d18a0e34c7bbf549ad7e3d36")
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| )
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| 
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| // TrustedCheckpoints associates each known checkpoint with the genesis hash of
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| // the chain it belongs to.
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| var TrustedCheckpoints = map[common.Hash]*TrustedCheckpoint{
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| 	MainnetGenesisHash: MainnetTrustedCheckpoint,
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| 	RopstenGenesisHash: RopstenTrustedCheckpoint,
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| 	RinkebyGenesisHash: RinkebyTrustedCheckpoint,
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| 	GoerliGenesisHash:  GoerliTrustedCheckpoint,
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| }
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| 
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| // CheckpointOracles associates each known checkpoint oracles with the genesis hash of
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| // the chain it belongs to.
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| var CheckpointOracles = map[common.Hash]*CheckpointOracleConfig{
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| 	MainnetGenesisHash: MainnetCheckpointOracle,
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| 	RopstenGenesisHash: RopstenCheckpointOracle,
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| 	RinkebyGenesisHash: RinkebyCheckpointOracle,
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| 	GoerliGenesisHash:  GoerliCheckpointOracle,
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| }
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| 
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| var (
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| 	// MainnetChainConfig is the chain parameters to run a node on the main network.
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| 	MainnetChainConfig = &ChainConfig{
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| 		ChainID:             big.NewInt(1),
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| 		HomesteadBlock:      big.NewInt(1150000),
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| 		DAOForkBlock:        big.NewInt(1920000),
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| 		DAOForkSupport:      true,
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| 		EIP150Block:         big.NewInt(2463000),
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| 		EIP150Hash:          common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
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| 		EIP155Block:         big.NewInt(2675000),
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| 		EIP158Block:         big.NewInt(2675000),
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| 		ByzantiumBlock:      big.NewInt(4370000),
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| 		ConstantinopleBlock: big.NewInt(7280000),
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| 		PetersburgBlock:     big.NewInt(7280000),
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| 		IstanbulBlock:       big.NewInt(9069000),
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| 		MuirGlacierBlock:    big.NewInt(9200000),
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| 		Ethash:              new(EthashConfig),
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| 	}
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| 
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| 	// MainnetTrustedCheckpoint contains the light client trusted checkpoint for the main network.
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| 	MainnetTrustedCheckpoint = &TrustedCheckpoint{
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| 		SectionIndex: 310,
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| 		SectionHead:  common.HexToHash("0x9ad360474d1187f5f118f4274a319877862b31b2f6de6fc8ce07bdf6784038fd"),
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| 		CHTRoot:      common.HexToHash("0xbb3fc87df2f81bafbf9ae5e7f4bbd89702e2257dceccefb1a37ec35a7bb6b40c"),
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| 		BloomRoot:    common.HexToHash("0xfc4b9ab6493204ac0fc023d157826cadd1dc45265ed8b4644dd1359c332c05a3"),
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| 	}
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| 
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| 	// MainnetCheckpointOracle contains a set of configs for the main network oracle.
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| 	MainnetCheckpointOracle = &CheckpointOracleConfig{
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| 		Address: common.HexToAddress("0x9a9070028361F7AAbeB3f2F2Dc07F82C4a98A02a"),
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| 		Signers: []common.Address{
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| 			common.HexToAddress("0x1b2C260efc720BE89101890E4Db589b44E950527"), // Peter
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| 			common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
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| 			common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
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| 			common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
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| 			common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
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| 		},
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| 		Threshold: 2,
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| 	}
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| 
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| 	// RopstenChainConfig contains the chain parameters to run a node on the Ropsten test network.
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| 	RopstenChainConfig = &ChainConfig{
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| 		ChainID:             big.NewInt(3),
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| 		HomesteadBlock:      big.NewInt(0),
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| 		DAOForkBlock:        nil,
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| 		DAOForkSupport:      true,
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| 		EIP150Block:         big.NewInt(0),
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| 		EIP150Hash:          common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
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| 		EIP155Block:         big.NewInt(10),
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| 		EIP158Block:         big.NewInt(10),
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| 		ByzantiumBlock:      big.NewInt(1700000),
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| 		ConstantinopleBlock: big.NewInt(4230000),
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| 		PetersburgBlock:     big.NewInt(4939394),
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| 		IstanbulBlock:       big.NewInt(6485846),
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| 		MuirGlacierBlock:    big.NewInt(7117117),
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| 		Ethash:              new(EthashConfig),
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| 	}
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| 
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| 	// RopstenTrustedCheckpoint contains the light client trusted checkpoint for the Ropsten test network.
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| 	RopstenTrustedCheckpoint = &TrustedCheckpoint{
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| 		SectionIndex: 244,
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| 		SectionHead:  common.HexToHash("0xce9596363275bc7445243ec115476d0946403ef173efe8069432da1fcc235874"),
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| 		CHTRoot:      common.HexToHash("0x5c6f75c871116c83c6e5799584fceaab23900a4ec6b28ff31d86f4e488b3b289"),
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| 		BloomRoot:    common.HexToHash("0xba500706796ed46406c2786ecabebe550e1bd72f31d18d0fee54f8c00d6c3f5e"),
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| 	}
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| 
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| 	// RopstenCheckpointOracle contains a set of configs for the Ropsten test network oracle.
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| 	RopstenCheckpointOracle = &CheckpointOracleConfig{
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| 		Address: common.HexToAddress("0xEF79475013f154E6A65b54cB2742867791bf0B84"),
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| 		Signers: []common.Address{
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| 			common.HexToAddress("0x32162F3581E88a5f62e8A61892B42C46E2c18f7b"), // Peter
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| 			common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
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| 			common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
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| 			common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
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| 			common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
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| 		},
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| 		Threshold: 2,
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| 	}
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| 
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| 	// RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
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| 	RinkebyChainConfig = &ChainConfig{
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| 		ChainID:             big.NewInt(4),
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| 		HomesteadBlock:      big.NewInt(1),
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| 		DAOForkBlock:        nil,
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| 		DAOForkSupport:      true,
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| 		EIP150Block:         big.NewInt(2),
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| 		EIP150Hash:          common.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
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| 		EIP155Block:         big.NewInt(3),
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| 		EIP158Block:         big.NewInt(3),
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| 		ByzantiumBlock:      big.NewInt(1035301),
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| 		ConstantinopleBlock: big.NewInt(3660663),
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| 		PetersburgBlock:     big.NewInt(4321234),
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| 		IstanbulBlock:       big.NewInt(5435345),
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| 		MuirGlacierBlock:    nil,
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| 		Clique: &CliqueConfig{
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| 			Period: 15,
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| 			Epoch:  30000,
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| 		},
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| 	}
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| 
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| 	// RinkebyTrustedCheckpoint contains the light client trusted checkpoint for the Rinkeby test network.
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| 	RinkebyTrustedCheckpoint = &TrustedCheckpoint{
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| 		SectionIndex: 201,
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| 		SectionHead:  common.HexToHash("0x37dbc008a2e073bafc665b86ae88f1082660ca72b2a99772ef7f668d29df9d61"),
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| 		CHTRoot:      common.HexToHash("0xd725ba4aa0aa48576b5e13e7cbf5e067223c107bbfea3c8aeb13dc23bded49c4"),
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| 		BloomRoot:    common.HexToHash("0xc3c4d8150137aced2125ed51e16c2980026a58d91201b44f85fba5f2f838c06f"),
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| 	}
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| 
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| 	// RinkebyCheckpointOracle contains a set of configs for the Rinkeby test network oracle.
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| 	RinkebyCheckpointOracle = &CheckpointOracleConfig{
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| 		Address: common.HexToAddress("0xebe8eFA441B9302A0d7eaECc277c09d20D684540"),
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| 		Signers: []common.Address{
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| 			common.HexToAddress("0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3"), // Peter
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| 			common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
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| 			common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
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| 			common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
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| 		},
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| 		Threshold: 2,
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| 	}
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| 
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| 	// GoerliChainConfig contains the chain parameters to run a node on the Görli test network.
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| 	GoerliChainConfig = &ChainConfig{
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| 		ChainID:             big.NewInt(5),
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| 		HomesteadBlock:      big.NewInt(0),
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| 		DAOForkBlock:        nil,
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| 		DAOForkSupport:      true,
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| 		EIP150Block:         big.NewInt(0),
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| 		EIP155Block:         big.NewInt(0),
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| 		EIP158Block:         big.NewInt(0),
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| 		ByzantiumBlock:      big.NewInt(0),
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| 		ConstantinopleBlock: big.NewInt(0),
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| 		PetersburgBlock:     big.NewInt(0),
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| 		IstanbulBlock:       big.NewInt(1561651),
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| 		MuirGlacierBlock:    nil,
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| 		Clique: &CliqueConfig{
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| 			Period: 15,
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| 			Epoch:  30000,
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| 		},
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| 	}
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| 
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| 	// GoerliTrustedCheckpoint contains the light client trusted checkpoint for the Görli test network.
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| 	GoerliTrustedCheckpoint = &TrustedCheckpoint{
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| 		SectionIndex: 85,
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| 		SectionHead:  common.HexToHash("0x8975429d5ba40abc032651f194628aa3f921d93a26a474b6f66a21ec94aab38d"),
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| 		CHTRoot:      common.HexToHash("0xcec7ede16c43427f8104d3e0372764d6a2e6f429b03a49a5e1a7ca300d744b30"),
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| 		BloomRoot:    common.HexToHash("0x5bd010c10b6c2a655c02e719de88e623782c21608b2dd67b537cfa0d92af93b3"),
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| 	}
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| 
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| 	// GoerliCheckpointOracle contains a set of configs for the Goerli test network oracle.
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| 	GoerliCheckpointOracle = &CheckpointOracleConfig{
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| 		Address: common.HexToAddress("0x18CA0E045F0D772a851BC7e48357Bcaab0a0795D"),
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| 		Signers: []common.Address{
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| 			common.HexToAddress("0x4769bcaD07e3b938B7f43EB7D278Bc7Cb9efFb38"), // Peter
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| 			common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
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| 			common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
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| 			common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
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| 			common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
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| 		},
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| 		Threshold: 2,
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| 	}
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| 
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| 	// YoloV1ChainConfig contains the chain parameters to run a node on the YOLOv1 test network.
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| 	YoloV1ChainConfig = &ChainConfig{
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| 		ChainID:             big.NewInt(133519467574833),
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| 		HomesteadBlock:      big.NewInt(0),
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| 		DAOForkBlock:        nil,
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| 		DAOForkSupport:      true,
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| 		EIP150Block:         big.NewInt(0),
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| 		EIP155Block:         big.NewInt(0),
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| 		EIP158Block:         big.NewInt(0),
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| 		ByzantiumBlock:      big.NewInt(0),
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| 		ConstantinopleBlock: big.NewInt(0),
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| 		PetersburgBlock:     big.NewInt(0),
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| 		IstanbulBlock:       big.NewInt(0),
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| 		MuirGlacierBlock:    nil,
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| 		YoloV1Block:         big.NewInt(0),
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| 		Clique: &CliqueConfig{
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| 			Period: 15,
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| 			Epoch:  30000,
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| 		},
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| 	}
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| 
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| 	// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
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| 	// and accepted by the Ethereum core developers into the Ethash consensus.
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| 	//
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| 	// This configuration is intentionally not using keyed fields to force anyone
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| 	// adding flags to the config to also have to set these fields.
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| 	AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil}
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| 
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| 	// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
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| 	// and accepted by the Ethereum core developers into the Clique consensus.
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| 	//
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| 	// This configuration is intentionally not using keyed fields to force anyone
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| 	// adding flags to the config to also have to set these fields.
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| 	AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}}
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| 
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| 	TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil}
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| 	TestRules       = TestChainConfig.Rules(new(big.Int))
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| )
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| 
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| // TrustedCheckpoint represents a set of post-processed trie roots (CHT and
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| // BloomTrie) associated with the appropriate section index and head hash. It is
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| // used to start light syncing from this checkpoint and avoid downloading the
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| // entire header chain while still being able to securely access old headers/logs.
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| type TrustedCheckpoint struct {
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| 	SectionIndex uint64      `json:"sectionIndex"`
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| 	SectionHead  common.Hash `json:"sectionHead"`
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| 	CHTRoot      common.Hash `json:"chtRoot"`
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| 	BloomRoot    common.Hash `json:"bloomRoot"`
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| }
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| 
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| // HashEqual returns an indicator comparing the itself hash with given one.
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| func (c *TrustedCheckpoint) HashEqual(hash common.Hash) bool {
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| 	if c.Empty() {
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| 		return hash == common.Hash{}
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| 	}
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| 	return c.Hash() == hash
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| }
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| 
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| // Hash returns the hash of checkpoint's four key fields(index, sectionHead, chtRoot and bloomTrieRoot).
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| func (c *TrustedCheckpoint) Hash() common.Hash {
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| 	buf := make([]byte, 8+3*common.HashLength)
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| 	binary.BigEndian.PutUint64(buf, c.SectionIndex)
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| 	copy(buf[8:], c.SectionHead.Bytes())
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| 	copy(buf[8+common.HashLength:], c.CHTRoot.Bytes())
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| 	copy(buf[8+2*common.HashLength:], c.BloomRoot.Bytes())
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| 	return crypto.Keccak256Hash(buf)
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| }
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| 
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| // Empty returns an indicator whether the checkpoint is regarded as empty.
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| func (c *TrustedCheckpoint) Empty() bool {
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| 	return c.SectionHead == (common.Hash{}) || c.CHTRoot == (common.Hash{}) || c.BloomRoot == (common.Hash{})
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| }
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| 
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| // CheckpointOracleConfig represents a set of checkpoint contract(which acts as an oracle)
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| // config which used for light client checkpoint syncing.
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| type CheckpointOracleConfig struct {
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| 	Address   common.Address   `json:"address"`
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| 	Signers   []common.Address `json:"signers"`
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| 	Threshold uint64           `json:"threshold"`
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| }
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| 
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| // ChainConfig is the core config which determines the blockchain settings.
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| //
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| // ChainConfig is stored in the database on a per block basis. This means
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| // that any network, identified by its genesis block, can have its own
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| // set of configuration options.
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| type ChainConfig struct {
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| 	ChainID *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection
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| 
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| 	HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead)
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| 
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| 	DAOForkBlock   *big.Int `json:"daoForkBlock,omitempty"`   // TheDAO hard-fork switch block (nil = no fork)
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| 	DAOForkSupport bool     `json:"daoForkSupport,omitempty"` // Whether the nodes supports or opposes the DAO hard-fork
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| 
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| 	// EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
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| 	EIP150Block *big.Int    `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork)
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| 	EIP150Hash  common.Hash `json:"eip150Hash,omitempty"`  // EIP150 HF hash (needed for header only clients as only gas pricing changed)
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| 
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| 	EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
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| 	EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block
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| 
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| 	ByzantiumBlock      *big.Int `json:"byzantiumBlock,omitempty"`      // Byzantium switch block (nil = no fork, 0 = already on byzantium)
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| 	ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)
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| 	PetersburgBlock     *big.Int `json:"petersburgBlock,omitempty"`     // Petersburg switch block (nil = same as Constantinople)
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| 	IstanbulBlock       *big.Int `json:"istanbulBlock,omitempty"`       // Istanbul switch block (nil = no fork, 0 = already on istanbul)
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| 	MuirGlacierBlock    *big.Int `json:"muirGlacierBlock,omitempty"`    // Eip-2384 (bomb delay) switch block (nil = no fork, 0 = already activated)
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| 
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| 	YoloV1Block *big.Int `json:"yoloV1Block,omitempty"` // YOLO v1: https://github.com/ethereum/EIPs/pull/2657 (Ephemeral testnet)
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| 	EWASMBlock  *big.Int `json:"ewasmBlock,omitempty"`  // EWASM switch block (nil = no fork, 0 = already activated)
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| 
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| 	// Various consensus engines
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| 	Ethash *EthashConfig `json:"ethash,omitempty"`
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| 	Clique *CliqueConfig `json:"clique,omitempty"`
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| }
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| 
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| // EthashConfig is the consensus engine configs for proof-of-work based sealing.
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| type EthashConfig struct{}
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| 
 | |
| // String implements the stringer interface, returning the consensus engine details.
 | |
| func (c *EthashConfig) String() string {
 | |
| 	return "ethash"
 | |
| }
 | |
| 
 | |
| // CliqueConfig is the consensus engine configs for proof-of-authority based sealing.
 | |
| type CliqueConfig struct {
 | |
| 	Period uint64 `json:"period"` // Number of seconds between blocks to enforce
 | |
| 	Epoch  uint64 `json:"epoch"`  // Epoch length to reset votes and checkpoint
 | |
| }
 | |
| 
 | |
| // String implements the stringer interface, returning the consensus engine details.
 | |
| func (c *CliqueConfig) String() string {
 | |
| 	return "clique"
 | |
| }
 | |
| 
 | |
| // String implements the fmt.Stringer interface.
 | |
| func (c *ChainConfig) String() string {
 | |
| 	var engine interface{}
 | |
| 	switch {
 | |
| 	case c.Ethash != nil:
 | |
| 		engine = c.Ethash
 | |
| 	case c.Clique != nil:
 | |
| 		engine = c.Clique
 | |
| 	default:
 | |
| 		engine = "unknown"
 | |
| 	}
 | |
| 	return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, YOLO v1: %v, Engine: %v}",
 | |
| 		c.ChainID,
 | |
| 		c.HomesteadBlock,
 | |
| 		c.DAOForkBlock,
 | |
| 		c.DAOForkSupport,
 | |
| 		c.EIP150Block,
 | |
| 		c.EIP155Block,
 | |
| 		c.EIP158Block,
 | |
| 		c.ByzantiumBlock,
 | |
| 		c.ConstantinopleBlock,
 | |
| 		c.PetersburgBlock,
 | |
| 		c.IstanbulBlock,
 | |
| 		c.MuirGlacierBlock,
 | |
| 		c.YoloV1Block,
 | |
| 		engine,
 | |
| 	)
 | |
| }
 | |
| 
 | |
| // IsHomestead returns whether num is either equal to the homestead block or greater.
 | |
| func (c *ChainConfig) IsHomestead(num *big.Int) bool {
 | |
| 	return isForked(c.HomesteadBlock, num)
 | |
| }
 | |
| 
 | |
| // IsDAOFork returns whether num is either equal to the DAO fork block or greater.
 | |
| func (c *ChainConfig) IsDAOFork(num *big.Int) bool {
 | |
| 	return isForked(c.DAOForkBlock, num)
 | |
| }
 | |
| 
 | |
| // IsEIP150 returns whether num is either equal to the EIP150 fork block or greater.
 | |
| func (c *ChainConfig) IsEIP150(num *big.Int) bool {
 | |
| 	return isForked(c.EIP150Block, num)
 | |
| }
 | |
| 
 | |
| // IsEIP155 returns whether num is either equal to the EIP155 fork block or greater.
 | |
| func (c *ChainConfig) IsEIP155(num *big.Int) bool {
 | |
| 	return isForked(c.EIP155Block, num)
 | |
| }
 | |
| 
 | |
| // IsEIP158 returns whether num is either equal to the EIP158 fork block or greater.
 | |
| func (c *ChainConfig) IsEIP158(num *big.Int) bool {
 | |
| 	return isForked(c.EIP158Block, num)
 | |
| }
 | |
| 
 | |
| // IsByzantium returns whether num is either equal to the Byzantium fork block or greater.
 | |
| func (c *ChainConfig) IsByzantium(num *big.Int) bool {
 | |
| 	return isForked(c.ByzantiumBlock, num)
 | |
| }
 | |
| 
 | |
| // IsConstantinople returns whether num is either equal to the Constantinople fork block or greater.
 | |
| func (c *ChainConfig) IsConstantinople(num *big.Int) bool {
 | |
| 	return isForked(c.ConstantinopleBlock, num)
 | |
| }
 | |
| 
 | |
| // IsMuirGlacier returns whether num is either equal to the Muir Glacier (EIP-2384) fork block or greater.
 | |
| func (c *ChainConfig) IsMuirGlacier(num *big.Int) bool {
 | |
| 	return isForked(c.MuirGlacierBlock, num)
 | |
| }
 | |
| 
 | |
| // IsPetersburg returns whether num is either
 | |
| // - equal to or greater than the PetersburgBlock fork block,
 | |
| // - OR is nil, and Constantinople is active
 | |
| func (c *ChainConfig) IsPetersburg(num *big.Int) bool {
 | |
| 	return isForked(c.PetersburgBlock, num) || c.PetersburgBlock == nil && isForked(c.ConstantinopleBlock, num)
 | |
| }
 | |
| 
 | |
| // IsIstanbul returns whether num is either equal to the Istanbul fork block or greater.
 | |
| func (c *ChainConfig) IsIstanbul(num *big.Int) bool {
 | |
| 	return isForked(c.IstanbulBlock, num)
 | |
| }
 | |
| 
 | |
| // IsYoloV1 returns whether num is either equal to the YoloV1 fork block or greater.
 | |
| func (c *ChainConfig) IsYoloV1(num *big.Int) bool {
 | |
| 	return isForked(c.YoloV1Block, num)
 | |
| }
 | |
| 
 | |
| // IsEWASM returns whether num represents a block number after the EWASM fork
 | |
| func (c *ChainConfig) IsEWASM(num *big.Int) bool {
 | |
| 	return isForked(c.EWASMBlock, num)
 | |
| }
 | |
| 
 | |
| // CheckCompatible checks whether scheduled fork transitions have been imported
 | |
| // with a mismatching chain configuration.
 | |
| func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError {
 | |
| 	bhead := new(big.Int).SetUint64(height)
 | |
| 
 | |
| 	// Iterate checkCompatible to find the lowest conflict.
 | |
| 	var lasterr *ConfigCompatError
 | |
| 	for {
 | |
| 		err := c.checkCompatible(newcfg, bhead)
 | |
| 		if err == nil || (lasterr != nil && err.RewindTo == lasterr.RewindTo) {
 | |
| 			break
 | |
| 		}
 | |
| 		lasterr = err
 | |
| 		bhead.SetUint64(err.RewindTo)
 | |
| 	}
 | |
| 	return lasterr
 | |
| }
 | |
| 
 | |
| // CheckConfigForkOrder checks that we don't "skip" any forks, geth isn't pluggable enough
 | |
| // to guarantee that forks can be implemented in a different order than on official networks
 | |
| func (c *ChainConfig) CheckConfigForkOrder() error {
 | |
| 	type fork struct {
 | |
| 		name     string
 | |
| 		block    *big.Int
 | |
| 		optional bool // if true, the fork may be nil and next fork is still allowed
 | |
| 	}
 | |
| 	var lastFork fork
 | |
| 	for _, cur := range []fork{
 | |
| 		{name: "homesteadBlock", block: c.HomesteadBlock},
 | |
| 		{name: "daoForkBlock", block: c.DAOForkBlock, optional: true},
 | |
| 		{name: "eip150Block", block: c.EIP150Block},
 | |
| 		{name: "eip155Block", block: c.EIP155Block},
 | |
| 		{name: "eip158Block", block: c.EIP158Block},
 | |
| 		{name: "byzantiumBlock", block: c.ByzantiumBlock},
 | |
| 		{name: "constantinopleBlock", block: c.ConstantinopleBlock},
 | |
| 		{name: "petersburgBlock", block: c.PetersburgBlock},
 | |
| 		{name: "istanbulBlock", block: c.IstanbulBlock},
 | |
| 		{name: "muirGlacierBlock", block: c.MuirGlacierBlock, optional: true},
 | |
| 		{name: "yoloV1Block", block: c.YoloV1Block},
 | |
| 	} {
 | |
| 		if lastFork.name != "" {
 | |
| 			// Next one must be higher number
 | |
| 			if lastFork.block == nil && cur.block != nil {
 | |
| 				return fmt.Errorf("unsupported fork ordering: %v not enabled, but %v enabled at %v",
 | |
| 					lastFork.name, cur.name, cur.block)
 | |
| 			}
 | |
| 			if lastFork.block != nil && cur.block != nil {
 | |
| 				if lastFork.block.Cmp(cur.block) > 0 {
 | |
| 					return fmt.Errorf("unsupported fork ordering: %v enabled at %v, but %v enabled at %v",
 | |
| 						lastFork.name, lastFork.block, cur.name, cur.block)
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		// If it was optional and not set, then ignore it
 | |
| 		if !cur.optional || cur.block != nil {
 | |
| 			lastFork = cur
 | |
| 		}
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *ConfigCompatError {
 | |
| 	if isForkIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, head) {
 | |
| 		return newCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.DAOForkBlock, newcfg.DAOForkBlock, head) {
 | |
| 		return newCompatError("DAO fork block", c.DAOForkBlock, newcfg.DAOForkBlock)
 | |
| 	}
 | |
| 	if c.IsDAOFork(head) && c.DAOForkSupport != newcfg.DAOForkSupport {
 | |
| 		return newCompatError("DAO fork support flag", c.DAOForkBlock, newcfg.DAOForkBlock)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.EIP150Block, newcfg.EIP150Block, head) {
 | |
| 		return newCompatError("EIP150 fork block", c.EIP150Block, newcfg.EIP150Block)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.EIP155Block, newcfg.EIP155Block, head) {
 | |
| 		return newCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.EIP158Block, newcfg.EIP158Block, head) {
 | |
| 		return newCompatError("EIP158 fork block", c.EIP158Block, newcfg.EIP158Block)
 | |
| 	}
 | |
| 	if c.IsEIP158(head) && !configNumEqual(c.ChainID, newcfg.ChainID) {
 | |
| 		return newCompatError("EIP158 chain ID", c.EIP158Block, newcfg.EIP158Block)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.ByzantiumBlock, newcfg.ByzantiumBlock, head) {
 | |
| 		return newCompatError("Byzantium fork block", c.ByzantiumBlock, newcfg.ByzantiumBlock)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, head) {
 | |
| 		return newCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.PetersburgBlock, newcfg.PetersburgBlock, head) {
 | |
| 		return newCompatError("Petersburg fork block", c.PetersburgBlock, newcfg.PetersburgBlock)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.IstanbulBlock, newcfg.IstanbulBlock, head) {
 | |
| 		return newCompatError("Istanbul fork block", c.IstanbulBlock, newcfg.IstanbulBlock)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.MuirGlacierBlock, newcfg.MuirGlacierBlock, head) {
 | |
| 		return newCompatError("Muir Glacier fork block", c.MuirGlacierBlock, newcfg.MuirGlacierBlock)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.YoloV1Block, newcfg.YoloV1Block, head) {
 | |
| 		return newCompatError("YOLOv1 fork block", c.YoloV1Block, newcfg.YoloV1Block)
 | |
| 	}
 | |
| 	if isForkIncompatible(c.EWASMBlock, newcfg.EWASMBlock, head) {
 | |
| 		return newCompatError("ewasm fork block", c.EWASMBlock, newcfg.EWASMBlock)
 | |
| 	}
 | |
| 	return nil
 | |
| }
 | |
| 
 | |
| // isForkIncompatible returns true if a fork scheduled at s1 cannot be rescheduled to
 | |
| // block s2 because head is already past the fork.
 | |
| func isForkIncompatible(s1, s2, head *big.Int) bool {
 | |
| 	return (isForked(s1, head) || isForked(s2, head)) && !configNumEqual(s1, s2)
 | |
| }
 | |
| 
 | |
| // isForked returns whether a fork scheduled at block s is active at the given head block.
 | |
| func isForked(s, head *big.Int) bool {
 | |
| 	if s == nil || head == nil {
 | |
| 		return false
 | |
| 	}
 | |
| 	return s.Cmp(head) <= 0
 | |
| }
 | |
| 
 | |
| func configNumEqual(x, y *big.Int) bool {
 | |
| 	if x == nil {
 | |
| 		return y == nil
 | |
| 	}
 | |
| 	if y == nil {
 | |
| 		return x == nil
 | |
| 	}
 | |
| 	return x.Cmp(y) == 0
 | |
| }
 | |
| 
 | |
| // ConfigCompatError is raised if the locally-stored blockchain is initialised with a
 | |
| // ChainConfig that would alter the past.
 | |
| type ConfigCompatError struct {
 | |
| 	What string
 | |
| 	// block numbers of the stored and new configurations
 | |
| 	StoredConfig, NewConfig *big.Int
 | |
| 	// the block number to which the local chain must be rewound to correct the error
 | |
| 	RewindTo uint64
 | |
| }
 | |
| 
 | |
| func newCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatError {
 | |
| 	var rew *big.Int
 | |
| 	switch {
 | |
| 	case storedblock == nil:
 | |
| 		rew = newblock
 | |
| 	case newblock == nil || storedblock.Cmp(newblock) < 0:
 | |
| 		rew = storedblock
 | |
| 	default:
 | |
| 		rew = newblock
 | |
| 	}
 | |
| 	err := &ConfigCompatError{what, storedblock, newblock, 0}
 | |
| 	if rew != nil && rew.Sign() > 0 {
 | |
| 		err.RewindTo = rew.Uint64() - 1
 | |
| 	}
 | |
| 	return err
 | |
| }
 | |
| 
 | |
| func (err *ConfigCompatError) Error() string {
 | |
| 	return fmt.Sprintf("mismatching %s in database (have %d, want %d, rewindto %d)", err.What, err.StoredConfig, err.NewConfig, err.RewindTo)
 | |
| }
 | |
| 
 | |
| // Rules wraps ChainConfig and is merely syntactic sugar or can be used for functions
 | |
| // that do not have or require information about the block.
 | |
| //
 | |
| // Rules is a one time interface meaning that it shouldn't be used in between transition
 | |
| // phases.
 | |
| type Rules struct {
 | |
| 	ChainID                                                 *big.Int
 | |
| 	IsHomestead, IsEIP150, IsEIP155, IsEIP158               bool
 | |
| 	IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
 | |
| 	IsYoloV1                                                bool
 | |
| }
 | |
| 
 | |
| // Rules ensures c's ChainID is not nil.
 | |
| func (c *ChainConfig) Rules(num *big.Int) Rules {
 | |
| 	chainID := c.ChainID
 | |
| 	if chainID == nil {
 | |
| 		chainID = new(big.Int)
 | |
| 	}
 | |
| 	return Rules{
 | |
| 		ChainID:          new(big.Int).Set(chainID),
 | |
| 		IsHomestead:      c.IsHomestead(num),
 | |
| 		IsEIP150:         c.IsEIP150(num),
 | |
| 		IsEIP155:         c.IsEIP155(num),
 | |
| 		IsEIP158:         c.IsEIP158(num),
 | |
| 		IsByzantium:      c.IsByzantium(num),
 | |
| 		IsConstantinople: c.IsConstantinople(num),
 | |
| 		IsPetersburg:     c.IsPetersburg(num),
 | |
| 		IsIstanbul:       c.IsIstanbul(num),
 | |
| 		IsYoloV1:         c.IsYoloV1(num),
 | |
| 	}
 | |
| }
 |