Add Holesky testnet configuration

nimbus/common/chain_config.nim

@@ -50,10 +50,6 @@ type
     config* : ChainConfig
     genesis*: Genesis
 
-  AddressBalance = object
-    address {.rlpCustomSerialization.}: EthAddress
-    account {.rlpCustomSerialization.}: GenesisAccount
-
   GenesisFile* = object
     config      : ChainConfig
     nonce*      : BlockNonce
@@ -76,9 +72,9 @@ const
   CustomNet*  = 0.NetworkId
   # these are public network id
   MainNet*    = 1.NetworkId
-  # No longer used: MordenNet = 2
   GoerliNet*  = 5.NetworkId
   SepoliaNet* = 11155111.NetworkId
+  HoleskyNet* = 17000.NetworkId
 
 # ------------------------------------------------------------------------------
 # Private helper functions
@@ -92,14 +88,61 @@ proc writeValue(writer: var JsonWriter, value: Option[EthTime])
   else:
     writer.writeValue JsonString("null")
 
-proc read(rlp: var Rlp, x: var AddressBalance, _: type EthAddress): EthAddress
+type
-    {.gcsafe, raises: [RlpError].} =
+  Slots = object
-  let val = rlp.read(UInt256).toBytesBE()
+    key: UInt256
-  result[0 .. ^1] = val.toOpenArray(12, val.high)
+    val: UInt256
 
-proc read(rlp: var Rlp, x: var AddressBalance, _: type GenesisAccount): GenesisAccount
+  Misc = object
-    {.gcsafe, raises: [RlpError].} =
+    nonce: uint64
-  GenesisAccount(balance: rlp.read(UInt256))
+    code : seq[byte]
+    storage: seq[Slots]
+
+  AddressBalance = object
+    address: EthAddress
+    account: GenesisAccount
+
+proc read*(rlp: var Rlp, T: type AddressBalance): T {.gcsafe, raises: [RlpError].}=
+  let listLen = rlp.listLen
+  rlp.tryEnterList()
+  let val = rlp.read(UInt256).toBytesBE()
+  result.address[0..^1] = val.toOpenArray(12, val.high)
+  result.account.balance = rlp.read(UInt256)
+  if listLen == 3:
+    var misc = rlp.read(Misc)
+    result.account.nonce = misc.nonce
+    result.account.code  = system.move(misc.code)
+    for x in misc.storage:
+      result.account.storage[x.key] = x.val
+
+proc append*(w: var RlpWriter, ab: AddressBalance) =
+  var listLen = 2
+  if ab.account.storage.len > 0 or
+    ab.account.nonce != 0.AccountNonce or
+    ab.account.code.len > 0:
+    inc listLen
+
+  w.startList(listLen)
+  var tmp: array[32, byte]
+  tmp[12..^1] = ab.address[0..^1]
+  var val = UInt256.fromBytesBE(tmp)
+  w.append(val)
+  w.append(ab.account.balance)
+  if listLen == 3:
+    var misc: Misc
+    misc.nonce = ab.account.nonce
+    misc.code = ab.account.code
+    for k, v in ab.account.storage:
+      misc.storage.add Slots(key:k, val: v)
+    w.append(misc)
+
+proc append*(w: var RlpWriter, ga: GenesisAlloc) =
+  var list: seq[AddressBalance]
+  for k, v in ga:
+    list.add AddressBalance(
+      address: k, account: v
+    )
+  w.append(list)
 
 func decodePrealloc*(data: seq[byte]): GenesisAlloc
     {.gcsafe, raises: [RlpError].} =
@@ -173,11 +216,15 @@ proc readValue(reader: var JsonReader, value: var BlockNonce)
   except ValueError as ex:
     reader.raiseUnexpectedValue(ex.msg)
 
-# genesis timestamp is in hex
+# genesis timestamp is in hex/dec
 proc readValue(reader: var JsonReader, value: var EthTime)
     {.gcsafe, raises: [SerializationError, IOError].} =
   try:
-    value = fromHex[int64](reader.readValue(string)).EthTime
+    let data = reader.readValue(string)
+    if data.len > 2 and data[1] == 'x':
+      value = fromHex[int64](data).EthTime
+    else:
+      value = parseInt(data).EthTime
   except ValueError as ex:
     reader.raiseUnexpectedValue(ex.msg)
 
@@ -446,7 +493,26 @@ proc chainConfigForNetwork*(id: NetworkId): ChainConfig =
       londonBlock:         some(0.toBlockNumber),
       mergeForkBlock:      some(1735371.toBlockNumber),
       terminalTotalDifficulty: some(sepoliaTTD),
-      shanghaiTime:        some(1_677_557_088.EthTime)
+      shanghaiTime:        some(1_677_557_088.EthTime),
+    )
+  of HoleskyNet:
+    ChainConfig(
+      consensusType:       ConsensusType.POS,
+      chainId:             HoleskyNet.ChainId,
+      homesteadBlock:      some(0.toBlockNumber),
+      eip150Block:         some(0.toBlockNumber),
+      eip155Block:         some(0.toBlockNumber),
+      eip158Block:         some(0.toBlockNumber),
+      byzantiumBlock:      some(0.toBlockNumber),
+      constantinopleBlock: some(0.toBlockNumber),
+      petersburgBlock:     some(0.toBlockNumber),
+      istanbulBlock:       some(0.toBlockNumber),
+      berlinBlock:         some(0.toBlockNumber),
+      londonBlock:         some(0.toBlockNumber),
+      mergeForkBlock:      some(0.toBlockNumber),
+      terminalTotalDifficulty: some(0.u256),
+      terminalTotalDifficultyPassed: some(true),
+      shanghaiTime:        some(1_696_000_704.EthTime),
     )
   else:
     ChainConfig()
@@ -480,6 +546,14 @@ proc genesisBlockForNetwork*(id: NetworkId): Genesis
       difficulty: 0x20000.u256,
       alloc: decodePrealloc(sepoliaAllocData)
     )
+  of HoleskyNet:
+    Genesis(
+      difficulty: 0x01.u256,
+      gasLimit: 0x17D7840,
+      nonce: 0x1234.toBlockNonce,
+      timestamp: EthTime(1_695_902_100),
+      alloc: decodePrealloc(holeskyAllocData)
+    )
   else:
     Genesis()
 

nimbus/config.nim

@@ -213,11 +213,12 @@ type
 
     network {.
       separator: "\pETHEREUM NETWORK OPTIONS:"
-      desc: "Name or id number of Ethereum network(mainnet(1), goerli(5), sepolia(11155111), other=custom)"
+      desc: "Name or id number of Ethereum network(mainnet(1), goerli(5), sepolia(11155111), holesky(17000), other=custom)"
       longDesc:
         "- mainnet: Ethereum main network\n" &
         "- goerli:  Test network (proof-of-authority, works across all clients)\n" &
-        "- sepolia: Test network (proof-of-work)"
+        "- sepolia: Test network (proof-of-work)\n" &
+        "- holesky: The holesovice post-merge testnet"
       defaultValue: "" # the default value is set in makeConfig
       defaultValueDesc: "mainnet(1)"
       abbr: "i"
@@ -654,6 +655,7 @@ proc getNetworkId(conf: NimbusConf): Option[NetworkId] =
   of "mainnet": return some MainNet
   of "goerli" : return some GoerliNet
   of "sepolia": return some SepoliaNet
+  of "holesky": return some HoleskyNet
   else:
     try:
       some parseInt(network).NetworkId
@@ -732,6 +734,8 @@ proc getBootNodes*(conf: NimbusConf): seq[ENode] =
       bootstrapNodes.setBootnodes(GoerliBootnodes)
     of SepoliaNet:
       bootstrapNodes.setBootnodes(SepoliaBootnodes)
+    of HoleskyNet:
+      bootstrapNodes.setBootnodes(HoleskyBootnodes)
     else:
       # custom network id
       discard

premix/configuration.nim

@@ -4,7 +4,9 @@ import
 
 from ../nimbus/common/chain_config import
   MainNet,
-  GoerliNet
+  GoerliNet,
+  SepoliaNet,
+  HoleskyNet
 
 type
   ConfigStatus* = enum
@@ -62,6 +64,8 @@ proc processNetId(val: string, o: var NetworkId): ConfigStatus =
   case val.toLowerAscii()
   of "main": o = MainNet
   of "goerli": o = GoerliNet
+  of "sepolia": o = SepoliaNet
+  of "holesky": o = HoleskyNet
 
 template checkArgument(fun, o, value: untyped) =
   ## Checks if arguments got processed successfully

tests/test_forkid.nim

@@ -57,6 +57,12 @@ const
     (number: 1735372'u64, time: 1677557088'u64, id: (crc: 0xf7f9bc08'u32, next: 0'u64)),          # First Shanghai block
   ]
 
+  HoleskyNetIDs = [
+    (number: 0'u64,   time: 0'u64, id: (crc: 0xc61a6098'u32, next: 1696000704'u64)), # Unsynced, last Frontier, Homestead, Tangerine, Spurious, Byzantium, Constantinople, Petersburg, Istanbul, Berlin, London, Paris block
+    (number: 123'u64, time: 0'u64, id: (crc: 0xc61a6098'u32, next: 1696000704'u64)), # First MergeNetsplit block
+    (number: 123'u64, time: 1696000704'u64, id: (crc: 0xfd4f016b'u32, next: 0'u64)), # Last MergeNetsplit block
+  ]
+
 template runTest(network: untyped, name: string) =
   test name:
     var
@@ -122,6 +128,7 @@ proc forkIdMain*() =
     runTest(MainNet, "MainNet")
     runTest(GoerliNet, "GoerliNet")
     runTest(SepoliaNet, "SepoliaNet")
+    runTest(HoleskyNet, "HoleskyNet")
     test "Genesis Time Fork ID":
       runGenesisTimeIdTests()
 

tests/test_genesis.nim

@@ -34,6 +34,11 @@ proc genesisTest() =
       let b = makeGenesis(SepoliaNet)
       check b.blockHash == "25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9".toDigest
 
+    test "Correct holesky hash":
+      let b = makeGenesis(HoleskyNet)
+      check b.blockHash == "b5f7f912443c940f21fd611f12828d75b534364ed9e95ca4e307729a4661bde4".toDigest
+      check b.stateRoot == "69D8C9D72F6FA4AD42D4702B433707212F90DB395EB54DC20BC85DE253788783".toDigest
+
 proc customGenesisTest() =
   suite "Custom Genesis":
     test "loadCustomGenesis":
@@ -89,6 +94,16 @@ proc customGenesisTest() =
       check com.ttd.get == ttd
       check com.consensus == ConsensusType.POW
 
+    test "Holesky":
+      var cg: NetworkParams
+      check loadNetworkParams("holesky.json".findFilePath, cg)
+      let com = CommonRef.new(newCoreDbRef LegacyDbMemory, params = cg)
+      let stateRoot = "69D8C9D72F6FA4AD42D4702B433707212F90DB395EB54DC20BC85DE253788783".toDigest
+      let genesisHash = "b5f7f912443c940f21fd611f12828d75b534364ed9e95ca4e307729a4661bde4".toDigest
+      check com.genesisHeader.stateRoot == stateRoot
+      check com.genesisHeader.blockHash == genesisHash
+      check com.chainId == 17000.ChainId
+
 proc genesisMain*() =
   genesisTest()
   customGenesisTest()

vendor/nim-eth

@@ -1 +1 @@
-Subproject commit 1bae1d84268117c4559f15794cfe6b69b9ffb9e2
+Subproject commit 4b00b230d0948a567816d562efb22ee0545cd636