reth_ethereum_cli/
chainspec.rs

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1use reth_chainspec::{ChainSpec, DEV, HOLESKY, HOODI, MAINNET, SEPOLIA};
2use reth_cli::chainspec::{parse_genesis, ChainSpecParser};
3use std::sync::Arc;
4
5/// Chains supported by reth. First value should be used as the default.
6pub const SUPPORTED_CHAINS: &[&str] = &["mainnet", "sepolia", "holesky", "hoodi", "dev"];
7
8/// Clap value parser for [`ChainSpec`]s.
9///
10/// The value parser matches either a known chain, the path
11/// to a json file, or a json formatted string in-memory. The json needs to be a Genesis struct.
12pub fn chain_value_parser(s: &str) -> eyre::Result<Arc<ChainSpec>, eyre::Error> {
13    Ok(match s {
14        "mainnet" => MAINNET.clone(),
15        "sepolia" => SEPOLIA.clone(),
16        "holesky" => HOLESKY.clone(),
17        "hoodi" => HOODI.clone(),
18        "dev" => DEV.clone(),
19        _ => Arc::new(parse_genesis(s)?.into()),
20    })
21}
22
23/// Ethereum chain specification parser.
24#[derive(Debug, Clone, Default)]
25#[non_exhaustive]
26pub struct EthereumChainSpecParser;
27
28impl ChainSpecParser for EthereumChainSpecParser {
29    type ChainSpec = ChainSpec;
30
31    const SUPPORTED_CHAINS: &'static [&'static str] = SUPPORTED_CHAINS;
32
33    fn parse(s: &str) -> eyre::Result<Arc<ChainSpec>> {
34        chain_value_parser(s)
35    }
36}
37
38#[cfg(test)]
39mod tests {
40    use super::*;
41    use reth_chainspec::EthereumHardforks;
42
43    #[test]
44    fn parse_known_chain_spec() {
45        for &chain in EthereumChainSpecParser::SUPPORTED_CHAINS {
46            assert!(<EthereumChainSpecParser as ChainSpecParser>::parse(chain).is_ok());
47        }
48    }
49
50    #[test]
51    fn parse_raw_chainspec_hardforks() {
52        let s = r#"{
53  "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
54  "uncleHash": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
55  "coinbase": "0x0000000000000000000000000000000000000000",
56  "stateRoot": "0x76f118cb05a8bc558388df9e3b4ad66ae1f17ef656e5308cb8f600717251b509",
57  "transactionsTrie": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
58  "receiptTrie": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
59  "bloom": "0x000...000",
60  "difficulty": "0x00",
61  "number": "0x00",
62  "gasLimit": "0x016345785d8a0000",
63  "gasUsed": "0x00",
64  "timestamp": "0x01",
65  "extraData": "0x00",
66  "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
67  "nonce": "0x0000000000000000",
68  "baseFeePerGas": "0x07",
69  "withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
70  "blobGasUsed": "0x00",
71  "excessBlobGas": "0x00",
72  "parentBeaconBlockRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
73  "requestsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
74  "hash": "0xc20e1a771553139cdc77e6c3d5f64a7165d972d327eee9632c9c7d0fe839ded4",
75  "alloc": {},
76  "config": {
77    "ethash": {},
78    "chainId": 1,
79    "homesteadBlock": 0,
80    "daoForkSupport": true,
81    "eip150Block": 0,
82    "eip155Block": 0,
83    "eip158Block": 0,
84    "byzantiumBlock": 0,
85    "constantinopleBlock": 0,
86    "petersburgBlock": 0,
87    "istanbulBlock": 0,
88    "berlinBlock": 0,
89    "londonBlock": 0,
90    "terminalTotalDifficulty": 0,
91    "shanghaiTime": 0,
92    "cancunTime": 0,
93    "pragueTime": 0,
94    "osakaTime": 0
95  }
96}"#;
97
98        let spec = <EthereumChainSpecParser as ChainSpecParser>::parse(s).unwrap();
99        assert!(spec.is_shanghai_active_at_timestamp(0));
100        assert!(spec.is_cancun_active_at_timestamp(0));
101        assert!(spec.is_prague_active_at_timestamp(0));
102        assert!(spec.is_osaka_active_at_timestamp(0));
103    }
104}
reth_ethereum_cli/chainspec.rs

reth_ethereum_cli/
chainspec.rs
