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genesis_chainspec.py
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from web3.auto import w3
import json
import ruamel.yaml as yaml
import sys
w3.eth.account.enable_unaudited_hdwallet_features()
testnet_config_path = "genesis-config.yaml"
mainnet_config_path = "/apps/el-gen/mainnet/chainspec.json"
sepolia_config_path = "/apps/el-gen/sepolia/chainspec.json"
goerli_config_path = "/apps/el-gen/goerli/chainspec.json"
holesky_config_path = "/apps/el-gen/holesky/chainspec.json"
combined_allocs = {}
if len(sys.argv) > 1:
testnet_config_path = sys.argv[1]
with open(testnet_config_path) as stream:
data = yaml.safe_load(stream)
if int(data['chain_id']) == 1:
with open(mainnet_config_path) as m:
mainnet_json = json.loads(m.read())
out = mainnet_json
elif int(data['chain_id']) == 11155111:
with open(sepolia_config_path) as m:
sepolia_json = json.loads(m.read())
out = sepolia_json
elif int(data['chain_id']) == 17000:
with open(holesky_config_path) as m:
holesky_json = json.loads(m.read())
out = holesky_json
else:
out = {
"name": "Testnet",
"engine": {},
"params": {
"gasLimitBoundDivisor": "0x400",
"registrar": "0x0000000000000000000000000000000000000000",
"accountStartNonce": "0x0",
"maximumExtraDataSize": "0xffff",
"minGasLimit": "0x1388",
"networkID": hex(int(data['chain_id'])),
"MergeForkIdTransition": "0x0",
"maxCodeSize": "0x6000",
"maxCodeSizeTransition": "0x0",
"eip150Transition": "0x0",
"eip158Transition": "0x0",
"eip160Transition": "0x0",
"eip161abcTransition": "0x0",
"eip161dTransition": "0x0",
"eip155Transition": "0x0",
"eip140Transition": "0x0",
"eip211Transition": "0x0",
"eip214Transition": "0x0",
"eip658Transition": "0x0",
"eip145Transition": "0x0",
"eip1014Transition": "0x0",
"eip1052Transition": "0x0",
"eip1283Transition": "0x0",
"eip1283DisableTransition": "0x0",
"eip152Transition": "0x0",
"eip1108Transition": "0x0",
"eip1344Transition": "0x0",
"eip1884Transition": "0x0",
"eip2028Transition": "0x0",
"eip2200Transition": "0x0",
"eip2565Transition": "0x0",
"eip2929Transition": "0x0",
"eip2930Transition": "0x0",
"eip1559Transition": "0x0",
"eip3198Transition": "0x0",
"eip3529Transition": "0x0",
"eip3541Transition": "0x0",
"eip4895TransitionTimestamp": "0x0",
"eip3855TransitionTimestamp": "0x0",
"eip3651TransitionTimestamp": "0x0",
"eip3860TransitionTimestamp": "0x0",
"terminalTotalDifficulty":"0x0",
"eip4844TransitionTimestamp": "0x0",
"eip4788TransitionTimestamp": "0x0",
"eip1153TransitionTimestamp": "0x0",
"eip5656TransitionTimestamp": "0x0",
"eip6780TransitionTimestamp": "0x0",
"eip2537TransitionTimestamp": "0x0",
"depositContractAddress": data["deposit_contract_address"],
},
"genesis": {
"seal": {
"ethereum": {
"nonce": "0x1234",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
},
"difficulty": "0x01",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": hex(data['genesis_timestamp']),
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"extraData": "",
"gasLimit": hex(int(data['genesis_gaslimit'] if 'genesis_gaslimit' in data and data['genesis_gaslimit'] is not None else 25000000))
},
"accounts": {
# Allocate 1 wei to all possible pre-compiles.
# See https://github.com/ethereum/EIPs/issues/716 "SpuriousDragon RIPEMD bug"
# E.g. Rinkeby allocates it like this.
# See https://github.com/ethereum/go-ethereum/blob/092856267067dd78b527a773f5b240d5c9f5693a/core/genesis.go#L370
**{
"0x" + i.to_bytes(length=20, byteorder='big').hex(): {
"balance": "1",
} for i in range(256)
},
# deposit contract
data['deposit_contract_address']: {
"balance": "0",
"code": 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"storage": {
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"0x0000000000000000000000000000000000000000000000000000000000000036": "0x8a8d7fe3af8caa085a7639a832001457dfb9128a8061142ad0335629ff23ff9c",
"0x0000000000000000000000000000000000000000000000000000000000000037": "0xfeb3c337d7a51a6fbf00b9e34c52e1c9195c969bd4e7a0bfd51d5c5bed9c1167",
"0x0000000000000000000000000000000000000000000000000000000000000038": "0xe71f0aa83cc32edfbefa9f4d3e0174ca85182eec9f3a09f6a6c0df6377a510d7",
"0x0000000000000000000000000000000000000000000000000000000000000039": "0x31206fa80a50bb6abe29085058f16212212a60eec8f049fecb92d8c8e0a84bc0",
"0x000000000000000000000000000000000000000000000000000000000000003a": "0x21352bfecbeddde993839f614c3dac0a3ee37543f9b412b16199dc158e23b544",
"0x000000000000000000000000000000000000000000000000000000000000003b": "0x619e312724bb6d7c3153ed9de791d764a366b389af13c58bf8a8d90481a46765",
"0x000000000000000000000000000000000000000000000000000000000000003c": "0x7cdd2986268250628d0c10e385c58c6191e6fbe05191bcc04f133f2cea72c1c4",
"0x000000000000000000000000000000000000000000000000000000000000003d": "0x848930bd7ba8cac54661072113fb278869e07bb8587f91392933374d017bcbe1",
"0x000000000000000000000000000000000000000000000000000000000000003e": "0x8869ff2c22b28cc10510d9853292803328be4fb0e80495e8bb8d271f5b889636",
"0x000000000000000000000000000000000000000000000000000000000000003f": "0xb5fe28e79f1b850f8658246ce9b6a1e7b49fc06db7143e8fe0b4f2b0c5523a5c",
"0x0000000000000000000000000000000000000000000000000000000000000040": "0x985e929f70af28d0bdd1a90a808f977f597c7c778c489e98d3bd8910d31ac0f7"
}
},
# EIP-4788: Beacon block root in the EVM
"0x000F3df6D732807Ef1319fB7B8bB8522d0Beac02": {
"balance": "0",
"nonce": "1",
"code": "0x3373fffffffffffffffffffffffffffffffffffffffe14604d57602036146024575f5ffd5b5f35801560495762001fff810690815414603c575f5ffd5b62001fff01545f5260205ff35b5f5ffd5b62001fff42064281555f359062001fff015500"
},
# EIP-2935: Serve historical block hashes from state
"0x0aae40965e6800cd9b1f4b05ff21581047e3f91e": {
"balance": "0",
"nonce": "1",
"code": "0x3373fffffffffffffffffffffffffffffffffffffffe1460575767ffffffffffffffff5f3511605357600143035f3511604b575f35612000014311604b57611fff5f3516545f5260205ff35b5f5f5260205ff35b5f5ffd5b5f35611fff60014303165500"
},
# EIP-7002: Execution layer triggerable withdrawals
"0x00A3ca265EBcb825B45F985A16CEFB49958cE017": {
"balance": "0",
"nonce": "1",
"code": "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",
"storage": {
"0x0000000000000000000000000000000000000000000000000000000000000000": "0x000000000000000000000000000000000000000000000000000000000000049d"
}
},
# EIP-7251: Increase the MAX_EFFECTIVE_BALANCE
"0x00b42dbF2194e931E80326D950320f7d9Dbeac02": {
"balance": "0",
"nonce": "1",
"code": "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",
"storage": {
"0x0000000000000000000000000000000000000000000000000000000000000000": "0x000000000000000000000000000000000000000000000000000000000000049d"
}
}
},
"nodes": []
}
out["engine"]["Ethash"] = {}
for key, value in data['el_premine'].items():
acct = w3.eth.account.from_mnemonic(data['mnemonic'], account_path=key, passphrase='')
weival = value.replace('ETH', '0' * 18)
out["accounts"][acct.address] = {"balance": weival}
# Some hardcoded addrs
def add_alloc_entry(addr, account):
# Convert balance format
if isinstance(account, dict) and 'balance' in account:
balance_value = account['balance'].replace('ETH', '0' * 18)
else:
# If it's not a dictionary, assume it's a single value for backward compatibility
balance_value = account.replace('ETH', '0' * 18)
# Create alloc dictionary entry
alloc_entry = {"balance": balance_value}
# Optionally add code
if 'code' in account:
alloc_entry['code'] = account['code']
# Optionally add storage
if 'storage' in account:
alloc_entry['storage'] = account['storage']
# Optionally set nonce
if 'nonce' in account:
alloc_entry['nonce'] = account['nonce']
# Optionally set private key
if 'secretKey' in account:
alloc_entry['secretKey'] = account['secretKey']
# Add alloc entry to output's alloc field
out["accounts"][addr] = alloc_entry
for addr, account in data['el_premine_addrs'].items():
add_alloc_entry(addr, account)
for addr, account in data['additional_preloaded_contracts'].items():
add_alloc_entry(addr, account)
if 'electra_fork_epoch' in data:
out['params']['eip2935TransitionTimestamp']= hex(
int(data['genesis_timestamp']) +
int(data['genesis_delay']) +
int(data['electra_fork_epoch']) * ( 32 if data['preset_base']=='mainnet' else 8 ) * int(data['slot_duration_in_seconds'])
)
out['params']['eip6110TransitionTimestamp']= hex(
int(data['genesis_timestamp']) +
int(data['genesis_delay']) +
int(data['electra_fork_epoch']) * ( 32 if data['preset_base']=='mainnet' else 8 ) * int(data['slot_duration_in_seconds'])
)
out['params']['eip7002TransitionTimestamp']= hex(
int(data['genesis_timestamp']) +
int(data['genesis_delay']) +
int(data['electra_fork_epoch']) * ( 32 if data['preset_base']=='mainnet' else 8 ) * int(data['slot_duration_in_seconds'])
)
out['params']['eip7251TransitionTimestamp']= hex(
int(data['genesis_timestamp']) +
int(data['genesis_delay']) +
int(data['electra_fork_epoch']) * ( 32 if data['preset_base']=='mainnet' else 8 ) * int(data['slot_duration_in_seconds'])
)
out['params']['eip7702TransitionTimestamp']= hex(
int(data['genesis_timestamp']) +
int(data['genesis_delay']) +
int(data['electra_fork_epoch']) * ( 32 if data['preset_base']=='mainnet' else 8 ) * int(data['slot_duration_in_seconds'])
)
if data['eof_activation_epoch'] != None:
out['params']['eip7692TransitionTimestamp'] = hex(
int(data['genesis_timestamp']) + \
int(data['genesis_delay']) + \
int(data['eof_activation_epoch']) * ( 32 if data['preset_base']=='mainnet' else 8 ) * int(data['slot_duration_in_seconds'])
)
print(json.dumps(out, indent=' '))