2020-05-23 16:19:41 +00:00
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from typing import Dict, NamedTuple
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2020-10-01 10:04:50 +00:00
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import pkg_resources
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2020-05-23 16:19:41 +00:00
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2020-10-01 10:04:50 +00:00
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DEPOSIT_CLI_VERSION = pkg_resources.require("eth2deposit")[0].version
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2020-09-30 18:17:10 +00:00
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2020-05-23 16:19:41 +00:00
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class BaseChainSetting(NamedTuple):
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GENESIS_FORK_VERSION: bytes
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2020-06-25 03:42:03 +00:00
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2020-07-27 15:52:00 +00:00
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# Eth2 Mainnet setting
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2020-06-25 03:23:00 +00:00
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MainnetSetting = BaseChainSetting(GENESIS_FORK_VERSION=bytes.fromhex('00000000'))
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2020-05-26 08:13:12 +00:00
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# Eth2 spec v0.11.3 testnet
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2020-06-25 03:23:00 +00:00
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WittiSetting = BaseChainSetting(GENESIS_FORK_VERSION=bytes.fromhex('00000113'))
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# Eth2 spec v0.12.1 testnet
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AltonaSetting = BaseChainSetting(GENESIS_FORK_VERSION=bytes.fromhex('00000121'))
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2020-07-23 08:01:15 +00:00
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# Eth2 "official" public testnet (spec v0.12.2)
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MedallaSetting = BaseChainSetting(GENESIS_FORK_VERSION=bytes.fromhex('00000001'))
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2020-09-30 02:00:59 +00:00
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# Eth2 "dress rehearsal" testnet (spec v0.12.3)
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2020-09-18 09:23:12 +00:00
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SpadinaSetting = BaseChainSetting(GENESIS_FORK_VERSION=bytes.fromhex('00000002'))
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2020-09-30 02:00:59 +00:00
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# Eth2 "dress rehearsal" testnet (spec v0.12.3)
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ZinkenSetting = BaseChainSetting(GENESIS_FORK_VERSION=bytes.fromhex('00000003'))
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2020-09-18 09:23:12 +00:00
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2020-05-26 08:13:12 +00:00
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2020-05-23 16:19:41 +00:00
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MAINNET = 'mainnet'
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2020-05-26 08:13:12 +00:00
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WITTI = 'witti'
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2020-06-25 03:23:00 +00:00
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ALTONA = 'altona'
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2020-07-23 08:01:15 +00:00
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MEDALLA = 'medalla'
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2020-09-18 09:23:12 +00:00
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SPADINA = 'spadina'
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2020-09-30 02:00:59 +00:00
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ZINKEN = 'zinken'
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2020-05-23 16:19:41 +00:00
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ALL_CHAINS: Dict[str, BaseChainSetting] = {
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MAINNET: MainnetSetting,
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2020-05-26 08:13:12 +00:00
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WITTI: WittiSetting,
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2020-06-25 03:23:00 +00:00
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ALTONA: AltonaSetting,
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2020-07-23 08:01:15 +00:00
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MEDALLA: MedallaSetting,
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2020-09-18 09:23:12 +00:00
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SPADINA: SpadinaSetting,
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2020-09-30 02:00:59 +00:00
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ZINKEN: ZinkenSetting,
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2020-05-23 16:19:41 +00:00
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}
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def get_setting(chain_name: str = MAINNET) -> BaseChainSetting:
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return ALL_CHAINS[chain_name]
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