diff --git a/restricted/params/bootnodes.go b/restricted/params/bootnodes.go
new file mode 100644
index 0000000..4996da9
--- /dev/null
+++ b/restricted/params/bootnodes.go
@@ -0,0 +1,114 @@
+// Copyright 2015 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 .
+
+package params
+
+import "github.com/openrelayxyz/plugeth-utils/core"
+
+// MainnetBootnodes are the enode URLs of the P2P bootstrap nodes running on
+// the main Ethereum network.
+var MainnetBootnodes = []string{
+ // Ethereum Foundation Go Bootnodes
+ "enode://d860a01f9722d78051619d1e2351aba3f43f943f6f00718d1b9baa4101932a1f5011f16bb2b1bb35db20d6fe28fa0bf09636d26a87d31de9ec6203eeedb1f666@18.138.108.67:30303", // bootnode-aws-ap-southeast-1-001
+ "enode://22a8232c3abc76a16ae9d6c3b164f98775fe226f0917b0ca871128a74a8e9630b458460865bab457221f1d448dd9791d24c4e5d88786180ac185df813a68d4de@3.209.45.79:30303", // bootnode-aws-us-east-1-001
+ "enode://ca6de62fce278f96aea6ec5a2daadb877e51651247cb96ee310a318def462913b653963c155a0ef6c7d50048bba6e6cea881130857413d9f50a621546b590758@34.255.23.113:30303", // bootnode-aws-eu-west-1-001
+ "enode://279944d8dcd428dffaa7436f25ca0ca43ae19e7bcf94a8fb7d1641651f92d121e972ac2e8f381414b80cc8e5555811c2ec6e1a99bb009b3f53c4c69923e11bd8@35.158.244.151:30303", // bootnode-aws-eu-central-1-001
+ "enode://8499da03c47d637b20eee24eec3c356c9a2e6148d6fe25ca195c7949ab8ec2c03e3556126b0d7ed644675e78c4318b08691b7b57de10e5f0d40d05b09238fa0a@52.187.207.27:30303", // bootnode-azure-australiaeast-001
+ "enode://103858bdb88756c71f15e9b5e09b56dc1be52f0a5021d46301dbbfb7e130029cc9d0d6f73f693bc29b665770fff7da4d34f3c6379fe12721b5d7a0bcb5ca1fc1@191.234.162.198:30303", // bootnode-azure-brazilsouth-001
+ "enode://715171f50508aba88aecd1250af392a45a330af91d7b90701c436b618c86aaa1589c9184561907bebbb56439b8f8787bc01f49a7c77276c58c1b09822d75e8e8@52.231.165.108:30303", // bootnode-azure-koreasouth-001
+ "enode://5d6d7cd20d6da4bb83a1d28cadb5d409b64edf314c0335df658c1a54e32c7c4a7ab7823d57c39b6a757556e68ff1df17c748b698544a55cb488b52479a92b60f@104.42.217.25:30303", // bootnode-azure-westus-001
+}
+
+// RopstenBootnodes are the enode URLs of the P2P bootstrap nodes running on the
+// Ropsten test network.
+var RopstenBootnodes = []string{
+ "enode://30b7ab30a01c124a6cceca36863ece12c4f5fa68e3ba9b0b51407ccc002eeed3b3102d20a88f1c1d3c3154e2449317b8ef95090e77b312d5cc39354f86d5d606@52.176.7.10:30303", // US-Azure geth
+ "enode://865a63255b3bb68023b6bffd5095118fcc13e79dcf014fe4e47e065c350c7cc72af2e53eff895f11ba1bbb6a2b33271c1116ee870f266618eadfc2e78aa7349c@52.176.100.77:30303", // US-Azure parity
+ "enode://6332792c4a00e3e4ee0926ed89e0d27ef985424d97b6a45bf0f23e51f0dcb5e66b875777506458aea7af6f9e4ffb69f43f3778ee73c81ed9d34c51c4b16b0b0f@52.232.243.152:30303", // Parity
+ "enode://94c15d1b9e2fe7ce56e458b9a3b672ef11894ddedd0c6f247e0f1d3487f52b66208fb4aeb8179fce6e3a749ea93ed147c37976d67af557508d199d9594c35f09@192.81.208.223:30303", // @gpip
+}
+
+// RinkebyBootnodes are the enode URLs of the P2P bootstrap nodes running on the
+// Rinkeby test network.
+var RinkebyBootnodes = []string{
+ "enode://a24ac7c5484ef4ed0c5eb2d36620ba4e4aa13b8c84684e1b4aab0cebea2ae45cb4d375b77eab56516d34bfbd3c1a833fc51296ff084b770b94fb9028c4d25ccf@52.169.42.101:30303", // IE
+ "enode://343149e4feefa15d882d9fe4ac7d88f885bd05ebb735e547f12e12080a9fa07c8014ca6fd7f373123488102fe5e34111f8509cf0b7de3f5b44339c9f25e87cb8@52.3.158.184:30303", // INFURA
+ "enode://b6b28890b006743680c52e64e0d16db57f28124885595fa03a562be1d2bf0f3a1da297d56b13da25fb992888fd556d4c1a27b1f39d531bde7de1921c90061cc6@159.89.28.211:30303", // AKASHA
+}
+
+// GoerliBootnodes are the enode URLs of the P2P bootstrap nodes running on the
+// Görli test network.
+var GoerliBootnodes = []string{
+ // Upstream bootnodes
+ "enode://011f758e6552d105183b1761c5e2dea0111bc20fd5f6422bc7f91e0fabbec9a6595caf6239b37feb773dddd3f87240d99d859431891e4a642cf2a0a9e6cbb98a@51.141.78.53:30303",
+ "enode://176b9417f511d05b6b2cf3e34b756cf0a7096b3094572a8f6ef4cdcb9d1f9d00683bf0f83347eebdf3b81c3521c2332086d9592802230bf528eaf606a1d9677b@13.93.54.137:30303",
+ "enode://46add44b9f13965f7b9875ac6b85f016f341012d84f975377573800a863526f4da19ae2c620ec73d11591fa9510e992ecc03ad0751f53cc02f7c7ed6d55c7291@94.237.54.114:30313",
+ "enode://b5948a2d3e9d486c4d75bf32713221c2bd6cf86463302339299bd227dc2e276cd5a1c7ca4f43a0e9122fe9af884efed563bd2a1fd28661f3b5f5ad7bf1de5949@18.218.250.66:30303",
+
+ // Ethereum Foundation bootnode
+ "enode://a61215641fb8714a373c80edbfa0ea8878243193f57c96eeb44d0bc019ef295abd4e044fd619bfc4c59731a73fb79afe84e9ab6da0c743ceb479cbb6d263fa91@3.11.147.67:30303",
+
+ // Goerli Initiative bootnodes
+ "enode://a869b02cec167211fb4815a82941db2e7ed2936fd90e78619c53eb17753fcf0207463e3419c264e2a1dd8786de0df7e68cf99571ab8aeb7c4e51367ef186b1dd@51.15.116.226:30303",
+ "enode://807b37ee4816ecf407e9112224494b74dd5933625f655962d892f2f0f02d7fbbb3e2a94cf87a96609526f30c998fd71e93e2f53015c558ffc8b03eceaf30ee33@51.15.119.157:30303",
+ "enode://a59e33ccd2b3e52d578f1fbd70c6f9babda2650f0760d6ff3b37742fdcdfdb3defba5d56d315b40c46b70198c7621e63ffa3f987389c7118634b0fefbbdfa7fd@51.15.119.157:40303",
+}
+
+// CalaverasBootnodes are the enode URLs of the P2P bootstrap nodes running on the
+// Calaveras ephemeral test network.
+var CalaverasBootnodes = []string{
+ "enode://9e1096aa59862a6f164994cb5cb16f5124d6c992cdbf4535ff7dea43ea1512afe5448dca9df1b7ab0726129603f1a3336b631e4d7a1a44c94daddd03241587f9@3.9.20.133:30303",
+}
+
+var V5Bootnodes = []string{
+ // Teku team's bootnode
+ "enr:-KG4QOtcP9X1FbIMOe17QNMKqDxCpm14jcX5tiOE4_TyMrFqbmhPZHK_ZPG2Gxb1GE2xdtodOfx9-cgvNtxnRyHEmC0ghGV0aDKQ9aX9QgAAAAD__________4JpZIJ2NIJpcIQDE8KdiXNlY3AyNTZrMaEDhpehBDbZjM_L9ek699Y7vhUJ-eAdMyQW_Fil522Y0fODdGNwgiMog3VkcIIjKA",
+ "enr:-KG4QDyytgmE4f7AnvW-ZaUOIi9i79qX4JwjRAiXBZCU65wOfBu-3Nb5I7b_Rmg3KCOcZM_C3y5pg7EBU5XGrcLTduQEhGV0aDKQ9aX9QgAAAAD__________4JpZIJ2NIJpcIQ2_DUbiXNlY3AyNTZrMaEDKnz_-ps3UUOfHWVYaskI5kWYO_vtYMGYCQRAR3gHDouDdGNwgiMog3VkcIIjKA",
+ // Prylab team's bootnodes
+ "enr:-Ku4QImhMc1z8yCiNJ1TyUxdcfNucje3BGwEHzodEZUan8PherEo4sF7pPHPSIB1NNuSg5fZy7qFsjmUKs2ea1Whi0EBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQOVphkDqal4QzPMksc5wnpuC3gvSC8AfbFOnZY_On34wIN1ZHCCIyg",
+ "enr:-Ku4QP2xDnEtUXIjzJ_DhlCRN9SN99RYQPJL92TMlSv7U5C1YnYLjwOQHgZIUXw6c-BvRg2Yc2QsZxxoS_pPRVe0yK8Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQMeFF5GrS7UZpAH2Ly84aLK-TyvH-dRo0JM1i8yygH50YN1ZHCCJxA",
+ "enr:-Ku4QPp9z1W4tAO8Ber_NQierYaOStqhDqQdOPY3bB3jDgkjcbk6YrEnVYIiCBbTxuar3CzS528d2iE7TdJsrL-dEKoBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQMw5fqqkw2hHC4F5HZZDPsNmPdB1Gi8JPQK7pRc9XHh-oN1ZHCCKvg",
+ // Lighthouse team's bootnodes
+ "enr:-IS4QLkKqDMy_ExrpOEWa59NiClemOnor-krjp4qoeZwIw2QduPC-q7Kz4u1IOWf3DDbdxqQIgC4fejavBOuUPy-HE4BgmlkgnY0gmlwhCLzAHqJc2VjcDI1NmsxoQLQSJfEAHZApkm5edTCZ_4qps_1k_ub2CxHFxi-gr2JMIN1ZHCCIyg",
+ "enr:-IS4QDAyibHCzYZmIYZCjXwU9BqpotWmv2BsFlIq1V31BwDDMJPFEbox1ijT5c2Ou3kvieOKejxuaCqIcjxBjJ_3j_cBgmlkgnY0gmlwhAMaHiCJc2VjcDI1NmsxoQJIdpj_foZ02MXz4It8xKD7yUHTBx7lVFn3oeRP21KRV4N1ZHCCIyg",
+ // EF bootnodes
+ "enr:-Ku4QHqVeJ8PPICcWk1vSn_XcSkjOkNiTg6Fmii5j6vUQgvzMc9L1goFnLKgXqBJspJjIsB91LTOleFmyWWrFVATGngBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhAMRHkWJc2VjcDI1NmsxoQKLVXFOhp2uX6jeT0DvvDpPcU8FWMjQdR4wMuORMhpX24N1ZHCCIyg",
+ "enr:-Ku4QG-2_Md3sZIAUebGYT6g0SMskIml77l6yR-M_JXc-UdNHCmHQeOiMLbylPejyJsdAPsTHJyjJB2sYGDLe0dn8uYBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhBLY-NyJc2VjcDI1NmsxoQORcM6e19T1T9gi7jxEZjk_sjVLGFscUNqAY9obgZaxbIN1ZHCCIyg",
+ "enr:-Ku4QPn5eVhcoF1opaFEvg1b6JNFD2rqVkHQ8HApOKK61OIcIXD127bKWgAtbwI7pnxx6cDyk_nI88TrZKQaGMZj0q0Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhDayLMaJc2VjcDI1NmsxoQK2sBOLGcUb4AwuYzFuAVCaNHA-dy24UuEKkeFNgCVCsIN1ZHCCIyg",
+ "enr:-Ku4QEWzdnVtXc2Q0ZVigfCGggOVB2Vc1ZCPEc6j21NIFLODSJbvNaef1g4PxhPwl_3kax86YPheFUSLXPRs98vvYsoBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhDZBrP2Jc2VjcDI1NmsxoQM6jr8Rb1ktLEsVcKAPa08wCsKUmvoQ8khiOl_SLozf9IN1ZHCCIyg",
+}
+
+const dnsPrefix = "enrtree://AKA3AM6LPBYEUDMVNU3BSVQJ5AD45Y7YPOHJLEF6W26QOE4VTUDPE@"
+
+// KnownDNSNetwork returns the address of a public DNS-based node list for the given
+// genesis hash and protocol. See https://github.com/ethereum/discv4-dns-lists for more
+// information.
+func KnownDNSNetwork(genesis core.Hash, protocol string) string {
+ var net string
+ switch genesis {
+ case MainnetGenesisHash:
+ net = "mainnet"
+ case RopstenGenesisHash:
+ net = "ropsten"
+ case RinkebyGenesisHash:
+ net = "rinkeby"
+ case GoerliGenesisHash:
+ net = "goerli"
+ default:
+ return ""
+ }
+ return dnsPrefix + protocol + "." + net + ".ethdisco.net"
+}
diff --git a/restricted/params/config.go b/restricted/params/config.go
new file mode 100644
index 0000000..097191b
--- /dev/null
+++ b/restricted/params/config.go
@@ -0,0 +1,661 @@
+// Copyright 2016 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 .
+
+package params
+
+import (
+ "encoding/binary"
+ "fmt"
+ "math/big"
+
+ "github.com/openrelayxyz/plugeth-utils/core"
+ "golang.org/x/crypto/sha3"
+)
+
+// Genesis hashes to enforce below configs on.
+var (
+ MainnetGenesisHash = core.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
+ RopstenGenesisHash = core.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
+ RinkebyGenesisHash = core.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
+ GoerliGenesisHash = core.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
+ CalaverasGenesisHash = core.HexToHash("0xeb9233d066c275efcdfed8037f4fc082770176aefdbcb7691c71da412a5670f2")
+)
+
+// TrustedCheckpoints associates each known checkpoint with the genesis hash of
+// the chain it belongs to.
+var TrustedCheckpoints = map[core.Hash]*TrustedCheckpoint{
+ MainnetGenesisHash: MainnetTrustedCheckpoint,
+ RopstenGenesisHash: RopstenTrustedCheckpoint,
+ RinkebyGenesisHash: RinkebyTrustedCheckpoint,
+ GoerliGenesisHash: GoerliTrustedCheckpoint,
+}
+
+// CheckpointOracles associates each known checkpoint oracles with the genesis hash of
+// the chain it belongs to.
+var CheckpointOracles = map[core.Hash]*CheckpointOracleConfig{
+ MainnetGenesisHash: MainnetCheckpointOracle,
+ RopstenGenesisHash: RopstenCheckpointOracle,
+ RinkebyGenesisHash: RinkebyCheckpointOracle,
+ GoerliGenesisHash: GoerliCheckpointOracle,
+}
+
+var (
+ // MainnetChainConfig is the chain parameters to run a node on the main network.
+ MainnetChainConfig = &ChainConfig{
+ ChainID: big.NewInt(1),
+ HomesteadBlock: big.NewInt(1_150_000),
+ DAOForkBlock: big.NewInt(1_920_000),
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(2_463_000),
+ EIP150Hash: core.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
+ EIP155Block: big.NewInt(2_675_000),
+ EIP158Block: big.NewInt(2_675_000),
+ ByzantiumBlock: big.NewInt(4_370_000),
+ ConstantinopleBlock: big.NewInt(7_280_000),
+ PetersburgBlock: big.NewInt(7_280_000),
+ IstanbulBlock: big.NewInt(9_069_000),
+ MuirGlacierBlock: big.NewInt(9_200_000),
+ BerlinBlock: big.NewInt(12_244_000),
+ LondonBlock: big.NewInt(12_965_000),
+ Ethash: new(EthashConfig),
+ }
+
+ // MainnetTrustedCheckpoint contains the light client trusted checkpoint for the main network.
+ MainnetTrustedCheckpoint = &TrustedCheckpoint{
+ SectionIndex: 389,
+ SectionHead: core.HexToHash("0x8f96e510cf64abf34095c5aa3937acdf5316de5540945b9688f4a2e083cddc73"),
+ CHTRoot: core.HexToHash("0xa2362493848d6dbc50dcbbf74c017ea808b8938bfb129217d507bd276950d7ac"),
+ BloomRoot: core.HexToHash("0x72fc78a841bde7e08e1fb7c187b622c49dc8271db12db748ff5d0f27bdb41413"),
+ }
+
+ // MainnetCheckpointOracle contains a set of configs for the main network oracle.
+ MainnetCheckpointOracle = &CheckpointOracleConfig{
+ Address: core.HexToAddress("0x9a9070028361F7AAbeB3f2F2Dc07F82C4a98A02a"),
+ Signers: []core.Address{
+ core.HexToAddress("0x1b2C260efc720BE89101890E4Db589b44E950527"), // Peter
+ core.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
+ core.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
+ core.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
+ core.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
+ },
+ Threshold: 2,
+ }
+
+ // RopstenChainConfig contains the chain parameters to run a node on the Ropsten test network.
+ RopstenChainConfig = &ChainConfig{
+ ChainID: big.NewInt(3),
+ HomesteadBlock: big.NewInt(0),
+ DAOForkBlock: nil,
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(0),
+ EIP150Hash: core.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
+ EIP155Block: big.NewInt(10),
+ EIP158Block: big.NewInt(10),
+ ByzantiumBlock: big.NewInt(1_700_000),
+ ConstantinopleBlock: big.NewInt(4_230_000),
+ PetersburgBlock: big.NewInt(4_939_394),
+ IstanbulBlock: big.NewInt(6_485_846),
+ MuirGlacierBlock: big.NewInt(7_117_117),
+ BerlinBlock: big.NewInt(9_812_189),
+ LondonBlock: big.NewInt(10_499_401),
+ Ethash: new(EthashConfig),
+ }
+
+ // RopstenTrustedCheckpoint contains the light client trusted checkpoint for the Ropsten test network.
+ RopstenTrustedCheckpoint = &TrustedCheckpoint{
+ SectionIndex: 322,
+ SectionHead: core.HexToHash("0xe3f2fb70acd752bbcac06b67688db8430815c788a31213011ed51b966108a5f4"),
+ CHTRoot: core.HexToHash("0xb2993a6bc28b23b84159cb477c38c0ec5607434faae6b3657ad44cbcf116f288"),
+ BloomRoot: core.HexToHash("0x871841e5c2ada9dab2011a550d38e9fe0a30047cfc81f1ffc7ebc09f4f230732"),
+ }
+
+ // RopstenCheckpointOracle contains a set of configs for the Ropsten test network oracle.
+ RopstenCheckpointOracle = &CheckpointOracleConfig{
+ Address: core.HexToAddress("0xEF79475013f154E6A65b54cB2742867791bf0B84"),
+ Signers: []core.Address{
+ core.HexToAddress("0x32162F3581E88a5f62e8A61892B42C46E2c18f7b"), // Peter
+ core.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
+ core.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
+ core.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
+ core.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
+ },
+ Threshold: 2,
+ }
+
+ // RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
+ RinkebyChainConfig = &ChainConfig{
+ ChainID: big.NewInt(4),
+ HomesteadBlock: big.NewInt(1),
+ DAOForkBlock: nil,
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(2),
+ EIP150Hash: core.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
+ EIP155Block: big.NewInt(3),
+ EIP158Block: big.NewInt(3),
+ ByzantiumBlock: big.NewInt(1_035_301),
+ ConstantinopleBlock: big.NewInt(3_660_663),
+ PetersburgBlock: big.NewInt(4_321_234),
+ IstanbulBlock: big.NewInt(5_435_345),
+ MuirGlacierBlock: nil,
+ BerlinBlock: big.NewInt(8_290_928),
+ LondonBlock: big.NewInt(8_897_988),
+ Clique: &CliqueConfig{
+ Period: 15,
+ Epoch: 30000,
+ },
+ }
+
+ // RinkebyTrustedCheckpoint contains the light client trusted checkpoint for the Rinkeby test network.
+ RinkebyTrustedCheckpoint = &TrustedCheckpoint{
+ SectionIndex: 270,
+ SectionHead: core.HexToHash("0x03ef8982c93bbf18c859bc1b20ae05b439f04cf1ff592656e941d2c3fcff5d68"),
+ CHTRoot: core.HexToHash("0x9eb80685e8ece479e105b170439779bc0f89997ab7f4dee425f85c4234e8a6b5"),
+ BloomRoot: core.HexToHash("0xc3673721c5697efe5fe4cb825d178f4a335dbfeda6a197fb75c9256a767379dc"),
+ }
+
+ // RinkebyCheckpointOracle contains a set of configs for the Rinkeby test network oracle.
+ RinkebyCheckpointOracle = &CheckpointOracleConfig{
+ Address: core.HexToAddress("0xebe8eFA441B9302A0d7eaECc277c09d20D684540"),
+ Signers: []core.Address{
+ core.HexToAddress("0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3"), // Peter
+ core.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
+ core.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
+ core.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
+ },
+ Threshold: 2,
+ }
+
+ // GoerliChainConfig contains the chain parameters to run a node on the Görli test network.
+ GoerliChainConfig = &ChainConfig{
+ ChainID: big.NewInt(5),
+ HomesteadBlock: big.NewInt(0),
+ DAOForkBlock: nil,
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(0),
+ EIP155Block: big.NewInt(0),
+ EIP158Block: big.NewInt(0),
+ ByzantiumBlock: big.NewInt(0),
+ ConstantinopleBlock: big.NewInt(0),
+ PetersburgBlock: big.NewInt(0),
+ IstanbulBlock: big.NewInt(1_561_651),
+ MuirGlacierBlock: nil,
+ BerlinBlock: big.NewInt(4_460_644),
+ LondonBlock: big.NewInt(5_062_605),
+ Clique: &CliqueConfig{
+ Period: 15,
+ Epoch: 30000,
+ },
+ }
+
+ // GoerliTrustedCheckpoint contains the light client trusted checkpoint for the Görli test network.
+ GoerliTrustedCheckpoint = &TrustedCheckpoint{
+ SectionIndex: 154,
+ SectionHead: core.HexToHash("0xf4cb74cc0e3683589f4992902184241fb892d7c3859d0044c16ec864605ff80d"),
+ CHTRoot: core.HexToHash("0xead95f9f2504b2c7c6d82c51d30e50b40631c3ea2f590cddcc9721cfc0ae79de"),
+ BloomRoot: core.HexToHash("0xc6dd6cfe88ac9c4a6d19c9a8651944fa9d941a2340a8f5ddaf673d4d39779d81"),
+ }
+
+ // GoerliCheckpointOracle contains a set of configs for the Goerli test network oracle.
+ GoerliCheckpointOracle = &CheckpointOracleConfig{
+ Address: core.HexToAddress("0x18CA0E045F0D772a851BC7e48357Bcaab0a0795D"),
+ Signers: []core.Address{
+ core.HexToAddress("0x4769bcaD07e3b938B7f43EB7D278Bc7Cb9efFb38"), // Peter
+ core.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin
+ core.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt
+ core.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary
+ core.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume
+ },
+ Threshold: 2,
+ }
+
+ CalaverasChainConfig = &ChainConfig{
+ ChainID: big.NewInt(123),
+ HomesteadBlock: big.NewInt(0),
+ DAOForkBlock: nil,
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(0),
+ EIP155Block: big.NewInt(0),
+ EIP158Block: big.NewInt(0),
+ ByzantiumBlock: big.NewInt(0),
+ ConstantinopleBlock: big.NewInt(0),
+ PetersburgBlock: big.NewInt(0),
+ IstanbulBlock: big.NewInt(0),
+ MuirGlacierBlock: nil,
+ BerlinBlock: big.NewInt(0),
+ LondonBlock: big.NewInt(500),
+ Clique: &CliqueConfig{
+ Period: 30,
+ Epoch: 30000,
+ },
+ }
+
+ // AllEthashProtocolChanges contains every protocol change (EIPs) introduced
+ // and accepted by the Ethereum core developers into the Ethash consensus.
+ //
+ // This configuration is intentionally not using keyed fields to force anyone
+ // adding flags to the config to also have to set these fields.
+ AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), core.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil}
+
+ // AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
+ // and accepted by the Ethereum core developers into the Clique consensus.
+ //
+ // This configuration is intentionally not using keyed fields to force anyone
+ // adding flags to the config to also have to set these fields.
+ AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), core.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}}
+
+ TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), core.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil}
+ TestRules = TestChainConfig.Rules(new(big.Int))
+)
+
+// TrustedCheckpoint represents a set of post-processed trie roots (CHT and
+// BloomTrie) associated with the appropriate section index and head hash. It is
+// used to start light syncing from this checkpoint and avoid downloading the
+// entire header chain while still being able to securely access old headers/logs.
+type TrustedCheckpoint struct {
+ SectionIndex uint64 `json:"sectionIndex"`
+ SectionHead core.Hash `json:"sectionHead"`
+ CHTRoot core.Hash `json:"chtRoot"`
+ BloomRoot core.Hash `json:"bloomRoot"`
+}
+
+// HashEqual returns an indicator comparing the itself hash with given one.
+func (c *TrustedCheckpoint) HashEqual(hash core.Hash) bool {
+ if c.Empty() {
+ return hash == core.Hash{}
+ }
+ return c.Hash() == hash
+}
+
+// Hash returns the hash of checkpoint's four key fields(index, sectionHead, chtRoot and bloomTrieRoot).
+func (c *TrustedCheckpoint) Hash() core.Hash {
+ var sectionIndex [8]byte
+ binary.BigEndian.PutUint64(sectionIndex[:], c.SectionIndex)
+
+ w := sha3.NewLegacyKeccak256()
+ w.Write(sectionIndex[:])
+ w.Write(c.SectionHead[:])
+ w.Write(c.CHTRoot[:])
+ w.Write(c.BloomRoot[:])
+
+ var h core.Hash
+ w.Sum(h[:0])
+ return h
+}
+
+// Empty returns an indicator whether the checkpoint is regarded as empty.
+func (c *TrustedCheckpoint) Empty() bool {
+ return c.SectionHead == (core.Hash{}) || c.CHTRoot == (core.Hash{}) || c.BloomRoot == (core.Hash{})
+}
+
+// CheckpointOracleConfig represents a set of checkpoint contract(which acts as an oracle)
+// config which used for light client checkpoint syncing.
+type CheckpointOracleConfig struct {
+ Address core.Address `json:"address"`
+ Signers []core.Address `json:"signers"`
+ Threshold uint64 `json:"threshold"`
+}
+
+// ChainConfig is the core config which determines the blockchain settings.
+//
+// ChainConfig is stored in the database on a per block basis. This means
+// that any network, identified by its genesis block, can have its own
+// set of configuration options.
+type ChainConfig struct {
+ ChainID *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection
+
+ HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead)
+
+ DAOForkBlock *big.Int `json:"daoForkBlock,omitempty"` // TheDAO hard-fork switch block (nil = no fork)
+ DAOForkSupport bool `json:"daoForkSupport,omitempty"` // Whether the nodes supports or opposes the DAO hard-fork
+
+ // EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
+ EIP150Block *big.Int `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork)
+ EIP150Hash core.Hash `json:"eip150Hash,omitempty"` // EIP150 HF hash (needed for header only clients as only gas pricing changed)
+
+ EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block
+ EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block
+
+ ByzantiumBlock *big.Int `json:"byzantiumBlock,omitempty"` // Byzantium switch block (nil = no fork, 0 = already on byzantium)
+ ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)
+ PetersburgBlock *big.Int `json:"petersburgBlock,omitempty"` // Petersburg switch block (nil = same as Constantinople)
+ IstanbulBlock *big.Int `json:"istanbulBlock,omitempty"` // Istanbul switch block (nil = no fork, 0 = already on istanbul)
+ MuirGlacierBlock *big.Int `json:"muirGlacierBlock,omitempty"` // Eip-2384 (bomb delay) switch block (nil = no fork, 0 = already activated)
+ BerlinBlock *big.Int `json:"berlinBlock,omitempty"` // Berlin switch block (nil = no fork, 0 = already on berlin)
+ LondonBlock *big.Int `json:"londonBlock,omitempty"` // London switch block (nil = no fork, 0 = already on london)
+
+ CatalystBlock *big.Int `json:"catalystBlock,omitempty"` // Catalyst switch block (nil = no fork, 0 = already on catalyst)
+
+ // Various consensus engines
+ Ethash *EthashConfig `json:"ethash,omitempty"`
+ Clique *CliqueConfig `json:"clique,omitempty"`
+}
+
+// EthashConfig is the consensus engine configs for proof-of-work based sealing.
+type EthashConfig struct{}
+
+// 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, Berlin: %v, London: %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.BerlinBlock,
+ c.LondonBlock,
+ 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)
+}
+
+// IsBerlin returns whether num is either equal to the Berlin fork block or greater.
+func (c *ChainConfig) IsBerlin(num *big.Int) bool {
+ return isForked(c.BerlinBlock, num)
+}
+
+// IsLondon returns whether num is either equal to the London fork block or greater.
+func (c *ChainConfig) IsLondon(num *big.Int) bool {
+ return isForked(c.LondonBlock, num)
+}
+
+// IsCatalyst returns whether num is either equal to the Merge fork block or greater.
+func (c *ChainConfig) IsCatalyst(num *big.Int) bool {
+ return isForked(c.CatalystBlock, 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: "berlinBlock", block: c.BerlinBlock},
+ {name: "londonBlock", block: c.LondonBlock},
+ } {
+ 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) {
+ // the only case where we allow Petersburg to be set in the past is if it is equal to Constantinople
+ // mainly to satisfy fork ordering requirements which state that Petersburg fork be set if Constantinople fork is set
+ if isForkIncompatible(c.ConstantinopleBlock, 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.BerlinBlock, newcfg.BerlinBlock, head) {
+ return newCompatError("Berlin fork block", c.BerlinBlock, newcfg.BerlinBlock)
+ }
+ if isForkIncompatible(c.LondonBlock, newcfg.LondonBlock, head) {
+ return newCompatError("London fork block", c.LondonBlock, newcfg.LondonBlock)
+ }
+ 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
+ IsBerlin, IsLondon, IsCatalyst 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),
+ IsBerlin: c.IsBerlin(num),
+ IsLondon: c.IsLondon(num),
+ IsCatalyst: c.IsCatalyst(num),
+ }
+}
diff --git a/restricted/params/config_test.go b/restricted/params/config_test.go
new file mode 100644
index 0000000..3c8ebaf
--- /dev/null
+++ b/restricted/params/config_test.go
@@ -0,0 +1,98 @@
+// Copyright 2017 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 .
+
+package params
+
+import (
+ "math/big"
+ "reflect"
+ "testing"
+)
+
+func TestCheckCompatible(t *testing.T) {
+ type test struct {
+ stored, new *ChainConfig
+ head uint64
+ wantErr *ConfigCompatError
+ }
+ tests := []test{
+ {stored: AllEthashProtocolChanges, new: AllEthashProtocolChanges, head: 0, wantErr: nil},
+ {stored: AllEthashProtocolChanges, new: AllEthashProtocolChanges, head: 100, wantErr: nil},
+ {
+ stored: &ChainConfig{EIP150Block: big.NewInt(10)},
+ new: &ChainConfig{EIP150Block: big.NewInt(20)},
+ head: 9,
+ wantErr: nil,
+ },
+ {
+ stored: AllEthashProtocolChanges,
+ new: &ChainConfig{HomesteadBlock: nil},
+ head: 3,
+ wantErr: &ConfigCompatError{
+ What: "Homestead fork block",
+ StoredConfig: big.NewInt(0),
+ NewConfig: nil,
+ RewindTo: 0,
+ },
+ },
+ {
+ stored: AllEthashProtocolChanges,
+ new: &ChainConfig{HomesteadBlock: big.NewInt(1)},
+ head: 3,
+ wantErr: &ConfigCompatError{
+ What: "Homestead fork block",
+ StoredConfig: big.NewInt(0),
+ NewConfig: big.NewInt(1),
+ RewindTo: 0,
+ },
+ },
+ {
+ stored: &ChainConfig{HomesteadBlock: big.NewInt(30), EIP150Block: big.NewInt(10)},
+ new: &ChainConfig{HomesteadBlock: big.NewInt(25), EIP150Block: big.NewInt(20)},
+ head: 25,
+ wantErr: &ConfigCompatError{
+ What: "EIP150 fork block",
+ StoredConfig: big.NewInt(10),
+ NewConfig: big.NewInt(20),
+ RewindTo: 9,
+ },
+ },
+ {
+ stored: &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
+ new: &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(30)},
+ head: 40,
+ wantErr: nil,
+ },
+ {
+ stored: &ChainConfig{ConstantinopleBlock: big.NewInt(30)},
+ new: &ChainConfig{ConstantinopleBlock: big.NewInt(30), PetersburgBlock: big.NewInt(31)},
+ head: 40,
+ wantErr: &ConfigCompatError{
+ What: "Petersburg fork block",
+ StoredConfig: nil,
+ NewConfig: big.NewInt(31),
+ RewindTo: 30,
+ },
+ },
+ }
+
+ for _, test := range tests {
+ err := test.stored.CheckCompatible(test.new, test.head)
+ if !reflect.DeepEqual(err, test.wantErr) {
+ t.Errorf("error mismatch:\nstored: %v\nnew: %v\nhead: %v\nerr: %v\nwant: %v", test.stored, test.new, test.head, err, test.wantErr)
+ }
+ }
+}
diff --git a/restricted/params/dao.go b/restricted/params/dao.go
new file mode 100644
index 0000000..15682ff
--- /dev/null
+++ b/restricted/params/dao.go
@@ -0,0 +1,159 @@
+// Copyright 2016 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 .
+
+package params
+
+import (
+ "math/big"
+
+ "encoding/hex"
+ "github.com/openrelayxyz/plugeth-utils/core"
+)
+
+// DAOForkBlockExtra is the block header extra-data field to set for the DAO fork
+// point and a number of consecutive blocks to allow fast/light syncers to correctly
+// pick the side they want ("dao-hard-fork").
+var DAOForkBlockExtra, _ = hex.DecodeString("64616f2d686172642d666f726b")
+
+// DAOForkExtraRange is the number of consecutive blocks from the DAO fork point
+// to override the extra-data in to prevent no-fork attacks.
+var DAOForkExtraRange = big.NewInt(10)
+
+// DAORefundContract is the address of the refund contract to send DAO balances to.
+var DAORefundContract = core.HexToAddress("0xbf4ed7b27f1d666546e30d74d50d173d20bca754")
+
+// DAODrainList is the list of accounts whose full balances will be moved into a
+// refund contract at the beginning of the dao-fork block.
+func DAODrainList() []core.Address {
+ return []core.Address{
+ core.HexToAddress("0xd4fe7bc31cedb7bfb8a345f31e668033056b2728"),
+ core.HexToAddress("0xb3fb0e5aba0e20e5c49d252dfd30e102b171a425"),
+ core.HexToAddress("0x2c19c7f9ae8b751e37aeb2d93a699722395ae18f"),
+ core.HexToAddress("0xecd135fa4f61a655311e86238c92adcd779555d2"),
+ core.HexToAddress("0x1975bd06d486162d5dc297798dfc41edd5d160a7"),
+ core.HexToAddress("0xa3acf3a1e16b1d7c315e23510fdd7847b48234f6"),
+ core.HexToAddress("0x319f70bab6845585f412ec7724b744fec6095c85"),
+ core.HexToAddress("0x06706dd3f2c9abf0a21ddcc6941d9b86f0596936"),
+ core.HexToAddress("0x5c8536898fbb74fc7445814902fd08422eac56d0"),
+ core.HexToAddress("0x6966ab0d485353095148a2155858910e0965b6f9"),
+ core.HexToAddress("0x779543a0491a837ca36ce8c635d6154e3c4911a6"),
+ core.HexToAddress("0x2a5ed960395e2a49b1c758cef4aa15213cfd874c"),
+ core.HexToAddress("0x5c6e67ccd5849c0d29219c4f95f1a7a93b3f5dc5"),
+ core.HexToAddress("0x9c50426be05db97f5d64fc54bf89eff947f0a321"),
+ core.HexToAddress("0x200450f06520bdd6c527622a273333384d870efb"),
+ core.HexToAddress("0xbe8539bfe837b67d1282b2b1d61c3f723966f049"),
+ core.HexToAddress("0x6b0c4d41ba9ab8d8cfb5d379c69a612f2ced8ecb"),
+ core.HexToAddress("0xf1385fb24aad0cd7432824085e42aff90886fef5"),
+ core.HexToAddress("0xd1ac8b1ef1b69ff51d1d401a476e7e612414f091"),
+ core.HexToAddress("0x8163e7fb499e90f8544ea62bbf80d21cd26d9efd"),
+ core.HexToAddress("0x51e0ddd9998364a2eb38588679f0d2c42653e4a6"),
+ core.HexToAddress("0x627a0a960c079c21c34f7612d5d230e01b4ad4c7"),
+ core.HexToAddress("0xf0b1aa0eb660754448a7937c022e30aa692fe0c5"),
+ core.HexToAddress("0x24c4d950dfd4dd1902bbed3508144a54542bba94"),
+ core.HexToAddress("0x9f27daea7aca0aa0446220b98d028715e3bc803d"),
+ core.HexToAddress("0xa5dc5acd6a7968a4554d89d65e59b7fd3bff0f90"),
+ core.HexToAddress("0xd9aef3a1e38a39c16b31d1ace71bca8ef58d315b"),
+ core.HexToAddress("0x63ed5a272de2f6d968408b4acb9024f4cc208ebf"),
+ core.HexToAddress("0x6f6704e5a10332af6672e50b3d9754dc460dfa4d"),
+ core.HexToAddress("0x77ca7b50b6cd7e2f3fa008e24ab793fd56cb15f6"),
+ core.HexToAddress("0x492ea3bb0f3315521c31f273e565b868fc090f17"),
+ core.HexToAddress("0x0ff30d6de14a8224aa97b78aea5388d1c51c1f00"),
+ core.HexToAddress("0x9ea779f907f0b315b364b0cfc39a0fde5b02a416"),
+ core.HexToAddress("0xceaeb481747ca6c540a000c1f3641f8cef161fa7"),
+ core.HexToAddress("0xcc34673c6c40e791051898567a1222daf90be287"),
+ core.HexToAddress("0x579a80d909f346fbfb1189493f521d7f48d52238"),
+ core.HexToAddress("0xe308bd1ac5fda103967359b2712dd89deffb7973"),
+ core.HexToAddress("0x4cb31628079fb14e4bc3cd5e30c2f7489b00960c"),
+ core.HexToAddress("0xac1ecab32727358dba8962a0f3b261731aad9723"),
+ core.HexToAddress("0x4fd6ace747f06ece9c49699c7cabc62d02211f75"),
+ core.HexToAddress("0x440c59b325d2997a134c2c7c60a8c61611212bad"),
+ core.HexToAddress("0x4486a3d68fac6967006d7a517b889fd3f98c102b"),
+ core.HexToAddress("0x9c15b54878ba618f494b38f0ae7443db6af648ba"),
+ core.HexToAddress("0x27b137a85656544b1ccb5a0f2e561a5703c6a68f"),
+ core.HexToAddress("0x21c7fdb9ed8d291d79ffd82eb2c4356ec0d81241"),
+ core.HexToAddress("0x23b75c2f6791eef49c69684db4c6c1f93bf49a50"),
+ core.HexToAddress("0x1ca6abd14d30affe533b24d7a21bff4c2d5e1f3b"),
+ core.HexToAddress("0xb9637156d330c0d605a791f1c31ba5890582fe1c"),
+ core.HexToAddress("0x6131c42fa982e56929107413a9d526fd99405560"),
+ core.HexToAddress("0x1591fc0f688c81fbeb17f5426a162a7024d430c2"),
+ core.HexToAddress("0x542a9515200d14b68e934e9830d91645a980dd7a"),
+ core.HexToAddress("0xc4bbd073882dd2add2424cf47d35213405b01324"),
+ core.HexToAddress("0x782495b7b3355efb2833d56ecb34dc22ad7dfcc4"),
+ core.HexToAddress("0x58b95c9a9d5d26825e70a82b6adb139d3fd829eb"),
+ core.HexToAddress("0x3ba4d81db016dc2890c81f3acec2454bff5aada5"),
+ core.HexToAddress("0xb52042c8ca3f8aa246fa79c3feaa3d959347c0ab"),
+ core.HexToAddress("0xe4ae1efdfc53b73893af49113d8694a057b9c0d1"),
+ core.HexToAddress("0x3c02a7bc0391e86d91b7d144e61c2c01a25a79c5"),
+ core.HexToAddress("0x0737a6b837f97f46ebade41b9bc3e1c509c85c53"),
+ core.HexToAddress("0x97f43a37f595ab5dd318fb46e7a155eae057317a"),
+ core.HexToAddress("0x52c5317c848ba20c7504cb2c8052abd1fde29d03"),
+ core.HexToAddress("0x4863226780fe7c0356454236d3b1c8792785748d"),
+ core.HexToAddress("0x5d2b2e6fcbe3b11d26b525e085ff818dae332479"),
+ core.HexToAddress("0x5f9f3392e9f62f63b8eac0beb55541fc8627f42c"),
+ core.HexToAddress("0x057b56736d32b86616a10f619859c6cd6f59092a"),
+ core.HexToAddress("0x9aa008f65de0b923a2a4f02012ad034a5e2e2192"),
+ core.HexToAddress("0x304a554a310c7e546dfe434669c62820b7d83490"),
+ core.HexToAddress("0x914d1b8b43e92723e64fd0a06f5bdb8dd9b10c79"),
+ core.HexToAddress("0x4deb0033bb26bc534b197e61d19e0733e5679784"),
+ core.HexToAddress("0x07f5c1e1bc2c93e0402f23341973a0e043f7bf8a"),
+ core.HexToAddress("0x35a051a0010aba705c9008d7a7eff6fb88f6ea7b"),
+ core.HexToAddress("0x4fa802324e929786dbda3b8820dc7834e9134a2a"),
+ core.HexToAddress("0x9da397b9e80755301a3b32173283a91c0ef6c87e"),
+ core.HexToAddress("0x8d9edb3054ce5c5774a420ac37ebae0ac02343c6"),
+ core.HexToAddress("0x0101f3be8ebb4bbd39a2e3b9a3639d4259832fd9"),
+ core.HexToAddress("0x5dc28b15dffed94048d73806ce4b7a4612a1d48f"),
+ core.HexToAddress("0xbcf899e6c7d9d5a215ab1e3444c86806fa854c76"),
+ core.HexToAddress("0x12e626b0eebfe86a56d633b9864e389b45dcb260"),
+ core.HexToAddress("0xa2f1ccba9395d7fcb155bba8bc92db9bafaeade7"),
+ core.HexToAddress("0xec8e57756626fdc07c63ad2eafbd28d08e7b0ca5"),
+ core.HexToAddress("0xd164b088bd9108b60d0ca3751da4bceb207b0782"),
+ core.HexToAddress("0x6231b6d0d5e77fe001c2a460bd9584fee60d409b"),
+ core.HexToAddress("0x1cba23d343a983e9b5cfd19496b9a9701ada385f"),
+ core.HexToAddress("0xa82f360a8d3455c5c41366975bde739c37bfeb8a"),
+ core.HexToAddress("0x9fcd2deaff372a39cc679d5c5e4de7bafb0b1339"),
+ core.HexToAddress("0x005f5cee7a43331d5a3d3eec71305925a62f34b6"),
+ core.HexToAddress("0x0e0da70933f4c7849fc0d203f5d1d43b9ae4532d"),
+ core.HexToAddress("0xd131637d5275fd1a68a3200f4ad25c71a2a9522e"),
+ core.HexToAddress("0xbc07118b9ac290e4622f5e77a0853539789effbe"),
+ core.HexToAddress("0x47e7aa56d6bdf3f36be34619660de61275420af8"),
+ core.HexToAddress("0xacd87e28b0c9d1254e868b81cba4cc20d9a32225"),
+ core.HexToAddress("0xadf80daec7ba8dcf15392f1ac611fff65d94f880"),
+ core.HexToAddress("0x5524c55fb03cf21f549444ccbecb664d0acad706"),
+ core.HexToAddress("0x40b803a9abce16f50f36a77ba41180eb90023925"),
+ core.HexToAddress("0xfe24cdd8648121a43a7c86d289be4dd2951ed49f"),
+ core.HexToAddress("0x17802f43a0137c506ba92291391a8a8f207f487d"),
+ core.HexToAddress("0x253488078a4edf4d6f42f113d1e62836a942cf1a"),
+ core.HexToAddress("0x86af3e9626fce1957c82e88cbf04ddf3a2ed7915"),
+ core.HexToAddress("0xb136707642a4ea12fb4bae820f03d2562ebff487"),
+ core.HexToAddress("0xdbe9b615a3ae8709af8b93336ce9b477e4ac0940"),
+ core.HexToAddress("0xf14c14075d6c4ed84b86798af0956deef67365b5"),
+ core.HexToAddress("0xca544e5c4687d109611d0f8f928b53a25af72448"),
+ core.HexToAddress("0xaeeb8ff27288bdabc0fa5ebb731b6f409507516c"),
+ core.HexToAddress("0xcbb9d3703e651b0d496cdefb8b92c25aeb2171f7"),
+ core.HexToAddress("0x6d87578288b6cb5549d5076a207456a1f6a63dc0"),
+ core.HexToAddress("0xb2c6f0dfbb716ac562e2d85d6cb2f8d5ee87603e"),
+ core.HexToAddress("0xaccc230e8a6e5be9160b8cdf2864dd2a001c28b6"),
+ core.HexToAddress("0x2b3455ec7fedf16e646268bf88846bd7a2319bb2"),
+ core.HexToAddress("0x4613f3bca5c44ea06337a9e439fbc6d42e501d0a"),
+ core.HexToAddress("0xd343b217de44030afaa275f54d31a9317c7f441e"),
+ core.HexToAddress("0x84ef4b2357079cd7a7c69fd7a37cd0609a679106"),
+ core.HexToAddress("0xda2fef9e4a3230988ff17df2165440f37e8b1708"),
+ core.HexToAddress("0xf4c64518ea10f995918a454158c6b61407ea345c"),
+ core.HexToAddress("0x7602b46df5390e432ef1c307d4f2c9ff6d65cc97"),
+ core.HexToAddress("0xbb9bc244d798123fde783fcc1c72d3bb8c189413"),
+ core.HexToAddress("0x807640a13483f8ac783c557fcdf27be11ea4ac7a"),
+ }
+}
diff --git a/restricted/params/denomination.go b/restricted/params/denomination.go
new file mode 100644
index 0000000..fb4da7f
--- /dev/null
+++ b/restricted/params/denomination.go
@@ -0,0 +1,28 @@
+// Copyright 2017 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 .
+
+package params
+
+// These are the multipliers for ether denominations.
+// Example: To get the wei value of an amount in 'gwei', use
+//
+// new(big.Int).Mul(value, big.NewInt(params.GWei))
+//
+const (
+ Wei = 1
+ GWei = 1e9
+ Ether = 1e18
+)
diff --git a/restricted/params/network_params.go b/restricted/params/network_params.go
new file mode 100644
index 0000000..9311b5e
--- /dev/null
+++ b/restricted/params/network_params.go
@@ -0,0 +1,67 @@
+// Copyright 2017 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 .
+
+package params
+
+// These are network parameters that need to be constant between clients, but
+// aren't necessarily consensus related.
+
+const (
+ // BloomBitsBlocks is the number of blocks a single bloom bit section vector
+ // contains on the server side.
+ BloomBitsBlocks uint64 = 4096
+
+ // BloomBitsBlocksClient is the number of blocks a single bloom bit section vector
+ // contains on the light client side
+ BloomBitsBlocksClient uint64 = 32768
+
+ // BloomConfirms is the number of confirmation blocks before a bloom section is
+ // considered probably final and its rotated bits are calculated.
+ BloomConfirms = 256
+
+ // CHTFrequency is the block frequency for creating CHTs
+ CHTFrequency = 32768
+
+ // BloomTrieFrequency is the block frequency for creating BloomTrie on both
+ // server/client sides.
+ BloomTrieFrequency = 32768
+
+ // HelperTrieConfirmations is the number of confirmations before a client is expected
+ // to have the given HelperTrie available.
+ HelperTrieConfirmations = 2048
+
+ // HelperTrieProcessConfirmations is the number of confirmations before a HelperTrie
+ // is generated
+ HelperTrieProcessConfirmations = 256
+
+ // CheckpointFrequency is the block frequency for creating checkpoint
+ CheckpointFrequency = 32768
+
+ // CheckpointProcessConfirmations is the number before a checkpoint is generated
+ CheckpointProcessConfirmations = 256
+
+ // FullImmutabilityThreshold is the number of blocks after which a chain segment is
+ // considered immutable (i.e. soft finality). It is used by the downloader as a
+ // hard limit against deep ancestors, by the blockchain against deep reorgs, by
+ // the freezer as the cutoff threshold and by clique as the snapshot trust limit.
+ FullImmutabilityThreshold = 90000
+
+ // LightImmutabilityThreshold is the number of blocks after which a header chain
+ // segment is considered immutable for light client(i.e. soft finality). It is used by
+ // the downloader as a hard limit against deep ancestors, by the blockchain against deep
+ // reorgs, by the light pruner as the pruning validity guarantee.
+ LightImmutabilityThreshold = 30000
+)
diff --git a/restricted/params/protocol_params.go b/restricted/params/protocol_params.go
new file mode 100644
index 0000000..7abb244
--- /dev/null
+++ b/restricted/params/protocol_params.go
@@ -0,0 +1,169 @@
+// Copyright 2015 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 .
+
+package params
+
+import "math/big"
+
+const (
+ GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations.
+ MinGasLimit uint64 = 5000 // Minimum the gas limit may ever be.
+ GenesisGasLimit uint64 = 4712388 // Gas limit of the Genesis block.
+
+ MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis.
+ ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction.
+ SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
+ CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero.
+ CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior.
+ TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions.
+ TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions.
+ TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions.
+ QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation.
+ LogDataGas uint64 = 8 // Per byte in a LOG* operation's data.
+ CallStipend uint64 = 2300 // Free gas given at beginning of call.
+
+ Sha3Gas uint64 = 30 // Once per SHA3 operation.
+ Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data.
+
+ SstoreSetGas uint64 = 20000 // Once per SSTORE operation.
+ SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero.
+ SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change.
+ SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero.
+
+ NetSstoreNoopGas uint64 = 200 // Once per SSTORE operation if the value doesn't change.
+ NetSstoreInitGas uint64 = 20000 // Once per SSTORE operation from clean zero.
+ NetSstoreCleanGas uint64 = 5000 // Once per SSTORE operation from clean non-zero.
+ NetSstoreDirtyGas uint64 = 200 // Once per SSTORE operation from dirty.
+
+ NetSstoreClearRefund uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
+ NetSstoreResetRefund uint64 = 4800 // Once per SSTORE operation for resetting to the original non-zero value
+ NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value
+
+ SstoreSentryGasEIP2200 uint64 = 2300 // Minimum gas required to be present for an SSTORE call, not consumed
+ SstoreSetGasEIP2200 uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero
+ SstoreResetGasEIP2200 uint64 = 5000 // Once per SSTORE operation from clean non-zero to something else
+ SstoreClearsScheduleRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
+
+ ColdAccountAccessCostEIP2929 = uint64(2600) // COLD_ACCOUNT_ACCESS_COST
+ ColdSloadCostEIP2929 = uint64(2100) // COLD_SLOAD_COST
+ WarmStorageReadCostEIP2929 = uint64(100) // WARM_STORAGE_READ_COST
+
+ // In EIP-2200: SstoreResetGas was 5000.
+ // In EIP-2929: SstoreResetGas was changed to '5000 - COLD_SLOAD_COST'.
+ // In EIP-3529: SSTORE_CLEARS_SCHEDULE is defined as SSTORE_RESET_GAS + ACCESS_LIST_STORAGE_KEY_COST
+ // Which becomes: 5000 - 2100 + 1900 = 4800
+ SstoreClearsScheduleRefundEIP3529 uint64 = SstoreResetGasEIP2200 - ColdSloadCostEIP2929 + TxAccessListStorageKeyGas
+
+ JumpdestGas uint64 = 1 // Once per JUMPDEST operation.
+ EpochDuration uint64 = 30000 // Duration between proof-of-work epochs.
+
+ CreateDataGas uint64 = 200 //
+ CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack.
+ ExpGas uint64 = 10 // Once per EXP instruction
+ LogGas uint64 = 375 // Per LOG* operation.
+ CopyGas uint64 = 3 //
+ StackLimit uint64 = 1024 // Maximum size of VM stack allowed.
+ TierStepGas uint64 = 0 // Once per operation, for a selection of them.
+ LogTopicGas uint64 = 375 // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas.
+ CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction.
+ Create2Gas uint64 = 32000 // Once per CREATE2 operation
+ SelfdestructRefundGas uint64 = 24000 // Refunded following a selfdestruct operation.
+ MemoryGas uint64 = 3 // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL.
+
+ TxDataNonZeroGasFrontier uint64 = 68 // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions.
+ TxDataNonZeroGasEIP2028 uint64 = 16 // Per byte of non zero data attached to a transaction after EIP 2028 (part in Istanbul)
+ TxAccessListAddressGas uint64 = 2400 // Per address specified in EIP 2930 access list
+ TxAccessListStorageKeyGas uint64 = 1900 // Per storage key specified in EIP 2930 access list
+
+ // These have been changed during the course of the chain
+ CallGasFrontier uint64 = 40 // Once per CALL operation & message call transaction.
+ CallGasEIP150 uint64 = 700 // Static portion of gas for CALL-derivates after EIP 150 (Tangerine)
+ BalanceGasFrontier uint64 = 20 // The cost of a BALANCE operation
+ BalanceGasEIP150 uint64 = 400 // The cost of a BALANCE operation after Tangerine
+ BalanceGasEIP1884 uint64 = 700 // The cost of a BALANCE operation after EIP 1884 (part of Istanbul)
+ ExtcodeSizeGasFrontier uint64 = 20 // Cost of EXTCODESIZE before EIP 150 (Tangerine)
+ ExtcodeSizeGasEIP150 uint64 = 700 // Cost of EXTCODESIZE after EIP 150 (Tangerine)
+ SloadGasFrontier uint64 = 50
+ SloadGasEIP150 uint64 = 200
+ SloadGasEIP1884 uint64 = 800 // Cost of SLOAD after EIP 1884 (part of Istanbul)
+ SloadGasEIP2200 uint64 = 800 // Cost of SLOAD after EIP 2200 (part of Istanbul)
+ ExtcodeHashGasConstantinople uint64 = 400 // Cost of EXTCODEHASH (introduced in Constantinople)
+ ExtcodeHashGasEIP1884 uint64 = 700 // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul)
+ SelfdestructGasEIP150 uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine)
+
+ // EXP has a dynamic portion depending on the size of the exponent
+ ExpByteFrontier uint64 = 10 // was set to 10 in Frontier
+ ExpByteEIP158 uint64 = 50 // was raised to 50 during Eip158 (Spurious Dragon)
+
+ // Extcodecopy has a dynamic AND a static cost. This represents only the
+ // static portion of the gas. It was changed during EIP 150 (Tangerine)
+ ExtcodeCopyBaseFrontier uint64 = 20
+ ExtcodeCopyBaseEIP150 uint64 = 700
+
+ // CreateBySelfdestructGas is used when the refunded account is one that does
+ // not exist. This logic is similar to call.
+ // Introduced in Tangerine Whistle (Eip 150)
+ CreateBySelfdestructGas uint64 = 25000
+
+ BaseFeeChangeDenominator = 8 // Bounds the amount the base fee can change between blocks.
+ ElasticityMultiplier = 2 // Bounds the maximum gas limit an EIP-1559 block may have.
+ InitialBaseFee = 1000000000 // Initial base fee for EIP-1559 blocks.
+
+ MaxCodeSize = 24576 // Maximum bytecode to permit for a contract
+
+ // Precompiled contract gas prices
+
+ EcrecoverGas uint64 = 3000 // Elliptic curve sender recovery gas price
+ Sha256BaseGas uint64 = 60 // Base price for a SHA256 operation
+ Sha256PerWordGas uint64 = 12 // Per-word price for a SHA256 operation
+ Ripemd160BaseGas uint64 = 600 // Base price for a RIPEMD160 operation
+ Ripemd160PerWordGas uint64 = 120 // Per-word price for a RIPEMD160 operation
+ IdentityBaseGas uint64 = 15 // Base price for a data copy operation
+ IdentityPerWordGas uint64 = 3 // Per-work price for a data copy operation
+
+ Bn256AddGasByzantium uint64 = 500 // Byzantium gas needed for an elliptic curve addition
+ Bn256AddGasIstanbul uint64 = 150 // Gas needed for an elliptic curve addition
+ Bn256ScalarMulGasByzantium uint64 = 40000 // Byzantium gas needed for an elliptic curve scalar multiplication
+ Bn256ScalarMulGasIstanbul uint64 = 6000 // Gas needed for an elliptic curve scalar multiplication
+ Bn256PairingBaseGasByzantium uint64 = 100000 // Byzantium base price for an elliptic curve pairing check
+ Bn256PairingBaseGasIstanbul uint64 = 45000 // Base price for an elliptic curve pairing check
+ Bn256PairingPerPointGasByzantium uint64 = 80000 // Byzantium per-point price for an elliptic curve pairing check
+ Bn256PairingPerPointGasIstanbul uint64 = 34000 // Per-point price for an elliptic curve pairing check
+
+ Bls12381G1AddGas uint64 = 600 // Price for BLS12-381 elliptic curve G1 point addition
+ Bls12381G1MulGas uint64 = 12000 // Price for BLS12-381 elliptic curve G1 point scalar multiplication
+ Bls12381G2AddGas uint64 = 4500 // Price for BLS12-381 elliptic curve G2 point addition
+ Bls12381G2MulGas uint64 = 55000 // Price for BLS12-381 elliptic curve G2 point scalar multiplication
+ Bls12381PairingBaseGas uint64 = 115000 // Base gas price for BLS12-381 elliptic curve pairing check
+ Bls12381PairingPerPairGas uint64 = 23000 // Per-point pair gas price for BLS12-381 elliptic curve pairing check
+ Bls12381MapG1Gas uint64 = 5500 // Gas price for BLS12-381 mapping field element to G1 operation
+ Bls12381MapG2Gas uint64 = 110000 // Gas price for BLS12-381 mapping field element to G2 operation
+
+ // The Refund Quotient is the cap on how much of the used gas can be refunded. Before EIP-3529,
+ // up to half the consumed gas could be refunded. Redefined as 1/5th in EIP-3529
+ RefundQuotient uint64 = 2
+ RefundQuotientEIP3529 uint64 = 5
+)
+
+// Gas discount table for BLS12-381 G1 and G2 multi exponentiation operations
+var Bls12381MultiExpDiscountTable = [128]uint64{1200, 888, 764, 641, 594, 547, 500, 453, 438, 423, 408, 394, 379, 364, 349, 334, 330, 326, 322, 318, 314, 310, 306, 302, 298, 294, 289, 285, 281, 277, 273, 269, 268, 266, 265, 263, 262, 260, 259, 257, 256, 254, 253, 251, 250, 248, 247, 245, 244, 242, 241, 239, 238, 236, 235, 233, 232, 231, 229, 228, 226, 225, 223, 222, 221, 220, 219, 219, 218, 217, 216, 216, 215, 214, 213, 213, 212, 211, 211, 210, 209, 208, 208, 207, 206, 205, 205, 204, 203, 202, 202, 201, 200, 199, 199, 198, 197, 196, 196, 195, 194, 193, 193, 192, 191, 191, 190, 189, 188, 188, 187, 186, 185, 185, 184, 183, 182, 182, 181, 180, 179, 179, 178, 177, 176, 176, 175, 174}
+
+var (
+ DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations.
+ GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block.
+ MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be.
+ DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
+)