92 lines
3.3 KiB
Nim
92 lines
3.3 KiB
Nim
import
|
|
std/[json, strutils, times, tables],
|
|
eth/[common, rlp, trie, p2p], stew/[byteutils],
|
|
chronicles, eth/trie/db,
|
|
./db/[db_chain, state_db],
|
|
./genesis_alloc, ./config, ./constants,
|
|
./chain_config
|
|
|
|
proc defaultGenesisBlockForNetwork*(id: NetworkId): Genesis =
|
|
result = case id
|
|
of MainNet:
|
|
Genesis(
|
|
nonce: 66.toBlockNonce,
|
|
extraData: hexToSeqByte("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"),
|
|
gasLimit: 5000,
|
|
difficulty: 17179869184.u256,
|
|
alloc: decodePrealloc(mainnetAllocData)
|
|
)
|
|
of RopstenNet:
|
|
Genesis(
|
|
nonce: 66.toBlockNonce,
|
|
extraData: hexToSeqByte("0x3535353535353535353535353535353535353535353535353535353535353535"),
|
|
gasLimit: 16777216,
|
|
difficulty: 1048576.u256,
|
|
alloc: decodePrealloc(testnetAllocData)
|
|
)
|
|
of RinkebyNet:
|
|
Genesis(
|
|
nonce: 0.toBlockNonce,
|
|
timestamp: initTime(0x58ee40ba, 0),
|
|
extraData: hexToSeqByte("0x52657370656374206d7920617574686f7269746168207e452e436172746d616e42eb768f2244c8811c63729a21a3569731535f067ffc57839b00206d1ad20c69a1981b489f772031b279182d99e65703f0076e4812653aab85fca0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
gasLimit: 4700000,
|
|
difficulty: 1.u256,
|
|
alloc: decodePrealloc(rinkebyAllocData)
|
|
)
|
|
of GoerliNet:
|
|
Genesis(
|
|
nonce: 0.toBlockNonce,
|
|
timestamp: initTime(0x5c51a607, 0),
|
|
extraData: hexToSeqByte("0x22466c6578692069732061207468696e6722202d204166726900000000000000e0a2bd4258d2768837baa26a28fe71dc079f84c70000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
gasLimit: 0xa00000,
|
|
difficulty: 1.u256,
|
|
alloc: decodePrealloc(goerliAllocData)
|
|
)
|
|
else:
|
|
# everything else will use custom genesis
|
|
let customGenesis = getConfiguration().customGenesis
|
|
customGenesis.genesis
|
|
|
|
proc toBlock*(g: Genesis, db: BaseChainDB = nil): BlockHeader =
|
|
let (tdb, pruneTrie) = if db.isNil: (newMemoryDB(), true)
|
|
else: (db.db, db.pruneTrie)
|
|
var trie = initHexaryTrie(tdb)
|
|
var sdb = newAccountStateDB(tdb, trie.rootHash, pruneTrie)
|
|
|
|
for address, account in g.alloc:
|
|
sdb.setAccount(address, newAccount(account.nonce, account.balance))
|
|
sdb.setCode(address, account.code)
|
|
for k, v in account.storage:
|
|
sdb.setStorage(address, k, v)
|
|
|
|
result = BlockHeader(
|
|
nonce: g.nonce,
|
|
timestamp: g.timestamp,
|
|
extraData: g.extraData,
|
|
gasLimit: g.gasLimit,
|
|
difficulty: g.difficulty,
|
|
mixDigest: g.mixhash,
|
|
coinbase: g.coinbase,
|
|
stateRoot: sdb.rootHash,
|
|
parentHash: GENESIS_PARENT_HASH,
|
|
txRoot: BLANK_ROOT_HASH,
|
|
receiptRoot: BLANK_ROOT_HASH,
|
|
ommersHash: EMPTY_UNCLE_HASH
|
|
)
|
|
|
|
if g.gasLimit == 0:
|
|
result.gasLimit = GENESIS_GAS_LIMIT
|
|
|
|
if g.difficulty == 0:
|
|
result.difficulty = GENESIS_DIFFICULTY
|
|
|
|
proc commit*(g: Genesis, db: BaseChainDB) =
|
|
let b = g.toBlock(db)
|
|
doAssert(b.blockNumber == 0, "can't commit genesis block with number > 0")
|
|
discard db.persistHeaderToDb(b)
|
|
|
|
proc initializeEmptyDb*(db: BaseChainDB) =
|
|
trace "Writing genesis to DB"
|
|
let networkId = getConfiguration().net.networkId
|
|
defaultGenesisBlockForNetwork(networkId).commit(db)
|