mirror of
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694 lines
24 KiB
Go
694 lines
24 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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package params
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import (
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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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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TestnetGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
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RinkebyGenesisHash = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
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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(7080000),
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Ethash: new(EthashConfig),
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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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Name: "mainnet",
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SectionIndex: 208,
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SectionHead: common.HexToHash("0x5e9f7696c397d9df8f3b1abda857753575c6f5cff894e1a3d9e1a2af1bd9d6ac"),
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CHTRoot: common.HexToHash("0x954a63134f6897f015f026387c59c98c4dae7b336610ff5a143455aac9153e9d"),
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BloomRoot: common.HexToHash("0x8006c5e44b14d90d7cc9cd5fa1cb48cf53697ee3bbbf4b76fdfa70b0242500a9"),
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}
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// TestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
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TestnetChainConfig = &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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Ethash: new(EthashConfig),
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}
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// TestnetTrustedCheckpoint contains the light client trusted checkpoint for the Ropsten test network.
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TestnetTrustedCheckpoint = &TrustedCheckpoint{
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Name: "testnet",
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SectionIndex: 139,
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SectionHead: common.HexToHash("0x9fad89a5e3b993c8339b9cf2cbbeb72cd08774ea6b71b105b3dd880420c618f4"),
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CHTRoot: common.HexToHash("0xc815833881989c5d2035147e1a79a33d22cbc5313e104ff01e6ab405bd28b317"),
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BloomRoot: common.HexToHash("0xd94ee9f3c480858f53ec5d059aebdbb2e8d904702f100875ee59ec5f366e841d"),
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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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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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// RinkebyTrustedCheckpoint contains the light client trusted checkpoint for the Rinkeby test network.
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RinkebyTrustedCheckpoint = &TrustedCheckpoint{
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Name: "rinkeby",
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SectionIndex: 105,
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SectionHead: common.HexToHash("0xec8147d43f936258aaf1b9b9ec91b0a853abf7109f436a23649be809ea43d507"),
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CHTRoot: common.HexToHash("0xd92703b444846a3db928e87e450770e5d5cbe193131dc8f7c4cf18b4de925a75"),
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BloomRoot: common.HexToHash("0xff45a6f807138a2cde0cea0c209d9ce5ad8e43ccaae5a7c41af801bb72a1ef96"),
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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{
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big.NewInt(1337), // ChainID
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big.NewInt(0), // HomesteadBlock
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nil, // EIP7Block
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nil, // DAOForkBlock
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false, // DAOForkSupport
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big.NewInt(0), // EIP150Block
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common.Hash{}, // EIP150Hash
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big.NewInt(0), // EIP155Block
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big.NewInt(0), // EIP158Block
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big.NewInt(0), // ByzantiumBlock
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nil, // EIP140Block
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nil, // EIP658Block
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nil, // EIP100Block
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nil, // EIP198Block
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nil, // EIP212Block
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nil, // EIP213Block
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nil, // EIP214Block
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nil, // EIP211Block
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nil, // EIP649Block
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nil, // EIP684Block
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big.NewInt(0), // ConstantinopleBlock
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nil, // EIP145Block
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nil, // EIP1014Block
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nil, // EIP1052Block
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nil, // EIP1283Block
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nil, // EIP1234Block
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nil, // EWASMBlock
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new(EthashConfig), // Ethash
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nil, // Clique
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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{
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big.NewInt(1337), // ChainID
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big.NewInt(0), // HomesteadBlock
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nil, // EIP7Block
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nil, // DAOForkBlock
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false, // DAOForkSupport
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big.NewInt(0), // EIP150Block
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common.Hash{}, // EIP150Hash
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big.NewInt(0), // EIP155Block
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big.NewInt(0), // EIP158Block
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big.NewInt(0), // ByzantiumBlock
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nil, // EIP140Block
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nil, // EIP658Block
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nil, // EIP100Block
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nil, // EIP198Block
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nil, // EIP212Block
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nil, // EIP213Block
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nil, // EIP214Block
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nil, // EIP211Block
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nil, // EIP649Block
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nil, // EIP684Block
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big.NewInt(0), // ConstantinopleBlock
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nil, // EIP145Block
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nil, // EIP1014Block
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nil, // EIP1052Block
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nil, // EIP1283Block
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nil, // EIP1234Block
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nil, // EWASMBlock
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nil, // Ethash
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&CliqueConfig{
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Period: 0,
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Epoch: 30000,
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},
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}
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// TestChainConfig is used for tests.
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TestChainConfig = &ChainConfig{
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big.NewInt(1), // ChainID
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big.NewInt(0), // HomesteadBlock
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nil, // EIP7Block
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nil, // DAOForkBlock
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false, // DAOForkSupport
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big.NewInt(0), // EIP150Block
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common.Hash{}, // EIP150Hash
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big.NewInt(0), // EIP155Block
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big.NewInt(0), // EIP158Block
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big.NewInt(0), // ByzantiumBlock
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nil, // EIP140Block
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nil, // EIP658Block
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nil, // EIP100Block
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nil, // EIP198Block
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nil, // EIP212Block
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nil, // EIP213Block
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nil, // EIP214Block
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nil, // EIP211Block
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nil, // EIP649Block
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nil, // EIP684Block
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big.NewInt(0), // ConstantinopleBlock
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nil, // EIP145Block
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nil, // EIP1014Block
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nil, // EIP1052Block
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nil, // EIP1283Block
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nil, // EIP1234Block
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nil, // EWASMBlock
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new(EthashConfig), // Ethash
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nil, // Clique
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}
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TestRules = TestChainConfig.Rules(new(big.Int))
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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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Name string `json:"-"`
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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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// 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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HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead)
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//
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// DELEGATECALL
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// https://eips.ethereum.org/EIPS/eip-7
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EIP7Block *big.Int `json:"eip7Block,omitempy"`
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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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// 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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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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// Byzantium
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// https://github.com/ethereum/go-ethereum/releases/tag/v1.7.0
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ByzantiumBlock *big.Int `json:"byzantiumBlock,omitempty"` // Byzantium switch block (nil = no fork, 0 = already on byzantium)
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//
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// REVERT instruction
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// https://eips.ethereum.org/EIPS/eip-140
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EIP140Block *big.Int `json:"eip140Block,omitempty"`
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// transaction receipt status
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// https://github.com/ethereum/EIPs/issues/98
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// https://github.com/ethereum/EIPs/issues/98#issuecomment-318670322
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// https://github.com/ethereum/EIPs/issues/658
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EIP658Block *big.Int `json:"eip658Block,omitempty"`
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// Change difficulty adjustment to target mean block time including uncles
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// https://github.com/ethereum/EIPs/issues/100
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EIP100Block *big.Int `json:"eip100Block,omitempty"`
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// Create bigint_modexp
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// https://github.com/ethereum/EIPs/issues/198
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EIP198Block *big.Int `json:"eip198Block,omitempty"`
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// Precompiled contract for pairing check
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// https://github.com/ethereum/EIPs/issues/212
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EIP212Block *big.Int `json:"eip212Block,omitempty"`
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// Precompiled contracts for addition and scalar multiplication on the elliptic curve alt_bn128
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// https://github.com/ethereum/EIPs/issues/213
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EIP213Block *big.Int `json:"eip213Block,omitempty"`
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// STATICCALL
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// https://github.com/ethereum/EIPs/issues/214
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EIP214Block *big.Int `json:"eip214Block,omitempty"`
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// RETURNDATACOPY, RETURNDATASIZE
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// https://github.com/ethereum/EIPs/issues/211
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EIP211Block *big.Int `json:"eip211Block,omitempty"`
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// metropolis diff bomb delay and reducing block reward
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// https://github.com/ethereum/EIPs/issues/649
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EIP649Block *big.Int `json:"eip649Block,omitempty"`
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// prevent overwriting contracts
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// NOTE(whilei): NOT CONFIGURABLE
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// https://github.com/ethereum/EIPs/issues/684
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EIP684Block *big.Int `json:"eip684Block,omitempty"`
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// https://github.com/ethereum/pm/wiki/Constantinople-Progress-Tracker
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ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)
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//
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// bitwise shifts
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// https://eips.ethereum.org/EIPS/eip-145
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EIP145Block *big.Int `json:"eip145Block,omitempty"`
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// skinny create2
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// https://eips.ethereum.org/EIPS/eip-1014
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EIP1014Block *big.Int `json:"eip1014Block,omitempty"`
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// extcodehash
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// https://eips.ethereum.org/EIPS/eip-1052
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EIP1052Block *big.Int `json:"eip1052Block,omitempty"`
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// net gas metering
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// https://eips.ethereum.org/EIPS/eip-1283
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EIP1283Block *big.Int `json:"eip1283Block,omitempty"`
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// constantinople difficulty bomb delay and block reward adjustment
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// https://eips.ethereum.org/EIPS/eip-1234
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EIP1234Block *big.Int `json:"eip1234Block,omitempty"`
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EWASMBlock *big.Int `json:"ewasmBlock,omitempty"` // EWASM switch block (nil = no fork, 0 = already activated)
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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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// 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.
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func (c *EthashConfig) String() string {
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return "ethash"
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}
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// CliqueConfig is the consensus engine configs for proof-of-authority based sealing.
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type CliqueConfig struct {
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Period uint64 `json:"period"` // Number of seconds between blocks to enforce
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Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
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}
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// String implements the stringer interface, returning the consensus engine details.
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func (c *CliqueConfig) String() string {
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return "clique"
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}
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// String implements the fmt.Stringer interface.
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func (c *ChainConfig) String() string {
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var engine interface{}
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switch {
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case c.Ethash != nil:
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engine = c.Ethash
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case c.Clique != nil:
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engine = c.Clique
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default:
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engine = "unknown"
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}
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return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Engine: %v}",
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c.ChainID,
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c.HomesteadBlock,
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c.DAOForkBlock,
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c.DAOForkSupport,
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c.EIP150Block,
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c.EIP155Block,
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c.EIP158Block,
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c.ByzantiumBlock,
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c.ConstantinopleBlock,
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engine,
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)
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}
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// IsHomestead returns whether num is either equal to the homestead block or greater.
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func (c *ChainConfig) IsHomestead(num *big.Int) bool {
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return isForked(c.HomesteadBlock, num)
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}
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func (c *ChainConfig) IsEIP7(num *big.Int) bool {
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return c.IsHomestead(num) || isForked(c.EIP7Block, num)
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}
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// IsDAOFork returns whether num is either equal to the DAO fork block or greater.
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func (c *ChainConfig) IsDAOFork(num *big.Int) bool {
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return isForked(c.DAOForkBlock, num)
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}
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// IsEIP150 returns whether num is either equal to the EIP150 fork block or greater.
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func (c *ChainConfig) IsEIP150(num *big.Int) bool {
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return isForked(c.EIP150Block, num)
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}
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// IsEIP155 returns whether num is either equal to the EIP155 fork block or greater.
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func (c *ChainConfig) IsEIP155(num *big.Int) bool {
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return isForked(c.EIP155Block, num)
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}
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// IsEIP158 returns whether num is either equal to the EIP158 fork block or greater.
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func (c *ChainConfig) IsEIP158(num *big.Int) bool {
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return isForked(c.EIP158Block, num)
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}
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// IsByzantium returns whether num is either equal to the Byzantium fork block or greater,
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// or whether the configured params satisfy all requirements fulfilling the Byzantium fork.
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func (c *ChainConfig) IsByzantium(num *big.Int) bool {
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return isForked(c.ConstantinopleBlock, num) || func(n *big.Int) bool {
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for _, block := range []*big.Int{
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c.EIP198Block,
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c.EIP212Block,
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c.EIP213Block,
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c.EIP214Block,
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c.EIP211Block,
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c.EIP649Block,
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c.EIP684Block,
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} {
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if !isForked(block, n) {
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return false
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}
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}
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return true
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}(num)
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}
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func (c *ChainConfig) IsEIP140(num *big.Int) bool {
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|
return c.IsByzantium(num) || isForked(c.EIP140Block, num)
|
|
}
|
|
|
|
// Embedding transaction status code in receipts
|
|
func (c *ChainConfig) IsEIP658(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP658Block, num)
|
|
}
|
|
|
|
// Change difficulty adjustment to target mean block time including uncles
|
|
func (c *ChainConfig) IsEIP100(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP100Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP198(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP198Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP212(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP212Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP213(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP213Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP214(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP214Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP211(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP211Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP649(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP649Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP684(num *big.Int) bool {
|
|
return c.IsByzantium(num) || isForked(c.EIP684Block, num)
|
|
}
|
|
|
|
// IsConstantinople returns whether num is either equal to the Constantinople fork block or greater,
|
|
// or whether configured params satisfy all requirements fulfilling the Constantinople fork.
|
|
func (c *ChainConfig) IsConstantinople(num *big.Int) bool {
|
|
return isForked(c.ConstantinopleBlock, num) || func(n *big.Int) bool {
|
|
for _, block := range []*big.Int{
|
|
c.EIP145Block,
|
|
c.EIP1014Block,
|
|
c.EIP1052Block,
|
|
c.EIP1283Block,
|
|
c.EIP1234Block,
|
|
} {
|
|
if !isForked(block, n) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}(num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP145(num *big.Int) bool {
|
|
return c.IsConstantinople(num) || isForked(c.EIP145Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP1014(num *big.Int) bool {
|
|
return c.IsConstantinople(num) || isForked(c.EIP1014Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP1052(num *big.Int) bool {
|
|
return c.IsConstantinople(num) || isForked(c.EIP1052Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP1283(num *big.Int) bool {
|
|
return c.IsConstantinople(num) || isForked(c.EIP1283Block, num)
|
|
}
|
|
|
|
func (c *ChainConfig) IsEIP1234(num *big.Int) bool {
|
|
return c.IsConstantinople(num) || isForked(c.EIP1234Block, 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)
|
|
}
|
|
|
|
// GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice).
|
|
//
|
|
// The returned GasTable's fields shouldn't, under any circumstances, be changed.
|
|
func (c *ChainConfig) GasTable(num *big.Int) GasTable {
|
|
if num == nil {
|
|
return GasTableHomestead
|
|
}
|
|
switch {
|
|
case c.IsEIP1052(num):
|
|
return GasTableEIP1052
|
|
case c.IsEIP158(num):
|
|
return GasTableEIP158
|
|
case c.IsEIP150(num):
|
|
return GasTableEIP150
|
|
default:
|
|
return GasTableHomestead
|
|
}
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
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.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, IsEIP7 bool
|
|
IsEIP150, IsEIP155, IsEIP158 bool
|
|
IsByzantium, IsEIP140, IsEIP658, IsEIP100, IsEIP198, IsEIP212, IsEIP213, IsEIP214, IsEIP211, IsEIP649, IsEIP684 bool
|
|
IsConstantinople, IsEIP145, IsEIP1014, IsEIP1052, IsEIP1283, IsEIP1234 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),
|
|
IsEIP7: c.IsEIP7(num),
|
|
|
|
IsEIP150: c.IsEIP150(num),
|
|
IsEIP155: c.IsEIP155(num),
|
|
IsEIP158: c.IsEIP158(num),
|
|
|
|
IsByzantium: c.IsByzantium(num),
|
|
IsEIP140: c.IsEIP140(num),
|
|
IsEIP658: c.IsEIP658(num),
|
|
IsEIP100: c.IsEIP100(num),
|
|
IsEIP198: c.IsEIP198(num),
|
|
IsEIP212: c.IsEIP212(num),
|
|
IsEIP213: c.IsEIP213(num),
|
|
IsEIP214: c.IsEIP214(num),
|
|
IsEIP211: c.IsEIP211(num),
|
|
IsEIP649: c.IsEIP649(num),
|
|
IsEIP684: c.IsEIP684(num),
|
|
|
|
IsConstantinople: c.IsConstantinople(num),
|
|
IsEIP145: c.IsEIP145(num),
|
|
IsEIP1014: c.IsEIP1014(num),
|
|
IsEIP1052: c.IsEIP1052(num),
|
|
IsEIP1283: c.IsEIP1283(num),
|
|
IsEIP1234: c.IsEIP1234(num),
|
|
}
|
|
}
|