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import fs from 'fs'
import { task } from 'hardhat/config'
import { OpNodeConfig, getChainId } from '@eth-optimism/core-utils'
import { ethers } from 'ethers'
import 'hardhat-deploy'
import '@eth-optimism/hardhat-deploy-config'
task('rollup-config', 'create a genesis config')
.addOptionalParam(
'outfile',
'The file to write the output JSON to',
'rollup.json'
)
.addOptionalParam('l1RpcUrl', 'The L1 RPC URL', 'http://127.0.0.1:8545')
.addOptionalParam('l2RpcUrl', 'The L2 RPC URL', 'http://127.0.0.1:9545')
.setAction(async (args, hre) => {
const { deployConfig } = hre
const l1 = new ethers.providers.StaticJsonRpcProvider(args.l1RpcUrl)
const l2 = new ethers.providers.StaticJsonRpcProvider(args.l2RpcUrl)
const l2Genesis = await l2.getBlock('earliest')
const portal = await hre.deployments.get('OptimismPortalProxy')
const l1StartingBlock = await l1.getBlock(deployConfig.l1StartingBlockTag)
if (l1StartingBlock === null) {
throw new Error(
`Cannot fetch block tag ${deployConfig.l1StartingBlockTag}`
)
}
const config: OpNodeConfig = {
genesis: {
l1: {
hash: l1StartingBlock.hash,
number: l1StartingBlock.number,
},
l2: {
hash: l2Genesis.hash,
number: 0,
},
l2_time: l1StartingBlock.timestamp,
},
block_time: deployConfig.l2BlockTime,
max_sequencer_drift: deployConfig.maxSequencerDrift,
seq_window_size: deployConfig.sequencerWindowSize,
channel_timeout: deployConfig.channelTimeout,
l1_chain_id: await getChainId(l1),
l2_chain_id: await getChainId(l2),
p2p_sequencer_address: deployConfig.p2pSequencerAddress,
fee_recipient_address: deployConfig.optimismL2FeeRecipient,
batch_inbox_address: '0xff00000000000000000000000000000000000002',
batch_sender_address: deployConfig.batchSenderAddress,
deposit_contract_address: portal.address,
}
fs.writeFileSync(args.outfile, JSON.stringify(config, null, 2))
})