96 lines
3.4 KiB
Nim
96 lines
3.4 KiB
Nim
import
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std/[json, strutils, times, tables],
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eth/[common, rlp, trie], stew/[byteutils],
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chronicles, eth/trie/db,
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./db/[db_chain, state_db],
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./genesis_alloc, ./config, ./constants,
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./chain_config
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proc defaultGenesisBlockForNetwork*(id: PublicNetwork): Genesis =
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result = case id
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of MainNet:
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Genesis(
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nonce: 66.toBlockNonce,
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extraData: hexToSeqByte("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"),
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gasLimit: 5000,
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difficulty: 17179869184.u256,
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alloc: decodePrealloc(mainnetAllocData)
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)
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of RopstenNet:
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Genesis(
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nonce: 66.toBlockNonce,
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extraData: hexToSeqByte("0x3535353535353535353535353535353535353535353535353535353535353535"),
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gasLimit: 16777216,
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difficulty: 1048576.u256,
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alloc: decodePrealloc(testnetAllocData)
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)
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of RinkebyNet:
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Genesis(
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nonce: 0.toBlockNonce,
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timestamp: initTime(0x58ee40ba, 0),
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extraData: hexToSeqByte("0x52657370656374206d7920617574686f7269746168207e452e436172746d616e42eb768f2244c8811c63729a21a3569731535f067ffc57839b00206d1ad20c69a1981b489f772031b279182d99e65703f0076e4812653aab85fca0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
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gasLimit: 4700000,
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difficulty: 1.u256,
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alloc: decodePrealloc(rinkebyAllocData)
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)
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of GoerliNet:
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Genesis(
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nonce: 0.toBlockNonce,
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timestamp: initTime(0x5c51a607, 0),
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extraData: hexToSeqByte("0x22466c6578692069732061207468696e6722202d204166726900000000000000e0a2bd4258d2768837baa26a28fe71dc079f84c70000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
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gasLimit: 0xa00000,
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difficulty: 1.u256,
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alloc: decodePrealloc(goerliAllocData)
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)
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of CustomNet:
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let customGenesis = getConfiguration().customGenesis
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customGenesis.genesis
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else:
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# TODO: Fill out the rest
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error "No default genesis for network", id
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doAssert(false, "No default genesis for " & $id)
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Genesis()
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proc toBlock*(g: Genesis, db: BaseChainDB = nil): BlockHeader =
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let (tdb, pruneTrie) = if db.isNil: (newMemoryDB(), true)
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else: (db.db, db.pruneTrie)
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var trie = initHexaryTrie(tdb)
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var sdb = newAccountStateDB(tdb, trie.rootHash, pruneTrie)
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for address, account in g.alloc:
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sdb.setAccount(address, newAccount(account.nonce, account.balance))
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sdb.setCode(address, account.code)
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for k, v in account.storage:
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sdb.setStorage(address, k, v)
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result = BlockHeader(
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nonce: g.nonce,
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timestamp: g.timestamp,
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extraData: g.extraData,
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gasLimit: g.gasLimit,
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difficulty: g.difficulty,
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mixDigest: g.mixhash,
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coinbase: g.coinbase,
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stateRoot: sdb.rootHash,
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parentHash: GENESIS_PARENT_HASH,
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txRoot: BLANK_ROOT_HASH,
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receiptRoot: BLANK_ROOT_HASH,
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ommersHash: EMPTY_UNCLE_HASH
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)
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if g.gasLimit == 0:
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result.gasLimit = GENESIS_GAS_LIMIT
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if g.difficulty == 0:
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result.difficulty = GENESIS_DIFFICULTY
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proc commit*(g: Genesis, db: BaseChainDB) =
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let b = g.toBlock(db)
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doAssert(b.blockNumber == 0, "can't commit genesis block with number > 0")
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discard db.persistHeaderToDb(b)
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proc initializeEmptyDb*(db: BaseChainDB) =
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trace "Writing genesis to DB"
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let networkId = getConfiguration().net.networkId.toPublicNetwork()
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defaultGenesisBlockForNetwork(networkId).commit(db)
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