Fluffy state bridge updates (#2683)

* Use Json decode when handling portal rpc client error.

* Remove preimages cache.

* Support disabling state gossip in order to just build state.

fluffy/rpc/portal_rpc_client.nim

@@ -6,7 +6,7 @@
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
 import
-  std/strutils,
+  json_serialization,
   chronos,
   stew/byteutils,
   results,
@@ -29,17 +29,26 @@ type
     InvalidContentValue
     ContentValidationFailed
 
+  ErrorResponse = object
+    code*: int
+    message*: string
+
 proc init*(T: type PortalRpcClient, rpcClient: RpcClient): T =
   T(rpcClient)
 
 func toPortalRpcError(e: ref CatchableError): PortalRpcError =
-  # TODO: Update this to parse the error message json
-  if e.msg.contains("-39001"):
+  let error =
+    try:
+      Json.decode(e.msg, ErrorResponse)
+    except SerializationError as e:
+      raiseAssert(e.msg)
+
+  if error.code == -39001:
     ContentNotFound
-  elif e.msg.contains("-32602"):
+  elif error.code == -32602:
     InvalidContentKey
   else:
-    raiseAssert(e.msg) # Shouldn't happen
+    raiseAssert(e.msg)
 
 proc historyLocalContent(
     client: PortalRpcClient, contentKey: string

fluffy/tools/portal_bridge/portal_bridge_conf.nim

@@ -146,11 +146,19 @@ type
       .}: uint64
 
       verifyStateProofs* {.
-        desc: "Verify state proofs before gossiping them into the portal network",
+        desc:
+          "Verify state proofs before gossiping them into the portal network (Slow: Only used for testing).",
         defaultValue: false,
         name: "verify-state-proofs"
       .}: bool
 
+      enableGossip* {.
+        desc:
+          "Enable gossipping the state into the portal network. Disable to only build the state without gossiping it.",
+        defaultValue: true,
+        name: "enable-gossip"
+      .}: bool
+
       gossipGenesis* {.
         desc:
           "Enable gossip of the genesis state into the portal network when starting from block 1",

fluffy/tools/portal_bridge/portal_bridge_state.nim

@@ -136,6 +136,7 @@ proc runBackfillBuildBlockOffersLoop(
     blockDataQueue: AsyncQueue[BlockData],
     blockOffersQueue: AsyncQueue[BlockOffersRef],
     verifyStateProofs: bool,
+    enableGossip: bool,
     gossipGenesis: bool,
 ) {.async: (raises: [CancelledError]).} =
   info "Starting state backfill build block offers loop"
@@ -163,7 +164,7 @@ proc runBackfillBuildBlockOffersLoop(
             raiseAssert(e.msg) # Should never happen
       ws.applyGenesisAccounts(genesisAccounts)
 
-      if gossipGenesis:
+      if enableGossip and gossipGenesis:
         let genesisBlockHash =
           hash32"d4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3"
 
@@ -213,6 +214,7 @@ proc runBackfillBuildBlockOffersLoop(
       if verifyStateProofs:
         worldState.verifyProofs(blockData.parentStateRoot, blockData.stateRoot)
 
+      if enableGossip:
         var builder = OffersBuilder.init(worldState, blockData.blockHash)
         builder.buildBlockOffers()
 
@@ -350,12 +352,20 @@ proc runBackfillMetricsLoop(
 
   while true:
     await sleepAsync(30.seconds)
+
+    if blockDataQueue.len() > 0:
       info "Block data queue metrics: ",
         nextBlockNumber = blockDataQueue[0].blockNumber,
         blockDataQueueLen = blockDataQueue.len()
+    else:
+      info "Block data queue metrics: ", blockDataQueueLen = blockDataQueue.len()
+
+    if blockOffersQueue.len() > 0:
       info "Block offers queue metrics: ",
         nextBlockNumber = blockOffersQueue[0].blockNumber,
         blockOffersQueueLen = blockOffersQueue.len()
+    else:
+      info "Block offers queue metrics: ", blockOffersQueueLen = blockOffersQueue.len()
 
 proc runState*(config: PortalBridgeConf) =
   let
@@ -402,7 +412,8 @@ proc runState*(config: PortalBridgeConf) =
     db, blockDataQueue, web3Client, config.startBlockNumber
   )
   asyncSpawn runBackfillBuildBlockOffersLoop(
-    db, blockDataQueue, blockOffersQueue, config.verifyStateProofs, config.gossipGenesis
+    db, blockDataQueue, blockOffersQueue, config.verifyStateProofs, config.enableGossip,
+    config.gossipGenesis,
   )
 
   for workerId in 1 .. config.gossipWorkersCount.int:

fluffy/tools/portal_bridge/state_bridge/world_state.nim

@@ -22,35 +22,33 @@ type AccountState* = ref object
   code: seq[byte]
   codeUpdated: bool
 
-proc init(T: type AccountState, account = newAccount()): T {.inline.} =
+proc init(T: type AccountState, account = newAccount()): T =
   T(account: account, codeUpdated: false)
 
-proc getBalance*(accState: AccountState): UInt256 {.inline.} =
+template getBalance*(accState: AccountState): UInt256 =
   accState.account.balance
 
-proc getNonce*(accState: AccountState): AccountNonce {.inline.} =
+template getNonce*(accState: AccountState): AccountNonce =
   accState.account.nonce
 
-proc setBalance*(accState: var AccountState, balance: UInt256) {.inline.} =
-  accState.account.balance = balance
+template setBalance*(accState: var AccountState, bal: UInt256) =
+  accState.account.balance = bal
 
-proc addBalance*(accState: var AccountState, balance: UInt256) {.inline.} =
-  accState.account.balance += balance
+template addBalance*(accState: var AccountState, bal: UInt256) =
+  accState.account.balance += bal
 
-proc setNonce*(accState: var AccountState, nonce: AccountNonce) {.inline.} =
-  accState.account.nonce = nonce
+template setNonce*(accState: var AccountState, nce: AccountNonce) =
+  accState.account.nonce = nce
 
-proc setStorage*(
-    accState: var AccountState, slotKey: UInt256, slotValue: UInt256
-) {.inline.} =
+template setStorage*(accState: var AccountState, slotKey: UInt256, slotValue: UInt256) =
   accState.storageUpdates[slotKey] = slotValue
 
-proc deleteStorage*(accState: var AccountState, slotKey: UInt256) {.inline.} =
+template deleteStorage*(accState: var AccountState, slotKey: UInt256) =
   # setting to zero has the effect of deleting the slot
   accState.setStorage(slotKey, 0.u256)
 
-proc setCode*(accState: var AccountState, code: seq[byte]) =
-  accState.code = code
+template setCode*(accState: var AccountState, bytecode: seq[byte]) =
+  accState.code = bytecode
   accState.codeUpdated = true
 
 # World State definition
@@ -65,7 +63,6 @@ type
     storageTries: TableRef[AddressHash, HexaryTrie]
     storageDb: TrieDatabaseRef
     bytecodeDb: TrieDatabaseRef # maps AddressHash -> seq[byte]
-    preimagesDb: TrieDatabaseRef # maps AddressHash -> EthAddress
 
 proc init*(
     T: type WorldStateRef, db: DatabaseRef, accountsTrieRoot: KeccakHash = emptyRlpHash
@@ -80,35 +77,17 @@ proc init*(
     storageTries: newTable[AddressHash, HexaryTrie](),
     storageDb: db.getStorageBackend(),
     bytecodeDb: db.getBytecodeBackend(),
-    preimagesDb: db.getPreimagesBackend(),
   )
 
-proc stateRoot*(state: WorldStateRef): KeccakHash {.inline.} =
+template stateRoot*(state: WorldStateRef): KeccakHash =
   state.accountsTrie.rootHash()
 
-proc toAccountKey*(address: EthAddress): AddressHash {.inline.} =
+template toAccountKey*(address: EthAddress): AddressHash =
   keccakHash(address)
 
-proc toStorageKey*(slotKey: UInt256): SlotKeyHash {.inline.} =
+template toStorageKey*(slotKey: UInt256): SlotKeyHash =
   keccakHash(toBytesBE(slotKey))
 
-proc getAccountPreimage(state: WorldStateRef, accountKey: AddressHash): EthAddress =
-  doAssert(
-    state.preimagesDb.contains(rlp.encode(accountKey)),
-    "No account preimage with address hash: " & $accountKey,
-  )
-  let addressBytes = state.preimagesDb.get(rlp.encode(accountKey))
-
-  try:
-    rlp.decode(addressBytes, EthAddress)
-  except RlpError as e:
-    raiseAssert(e.msg) # Should never happen
-
-proc setAccountPreimage(
-    state: WorldStateRef, accountKey: AddressHash, address: EthAddress
-) =
-  state.preimagesDb.put(rlp.encode(accountKey), rlp.encode(address))
-
 proc getAccount(state: WorldStateRef, accountKey: AddressHash): AccountState =
   try:
     if state.accountsTrie.contains(accountKey.data):
@@ -119,12 +98,11 @@ proc getAccount(state: WorldStateRef, accountKey: AddressHash): AccountState =
   except RlpError as e:
     raiseAssert(e.msg) # should never happen unless the database is corrupted
 
-proc getAccount*(state: WorldStateRef, address: EthAddress): AccountState {.inline.} =
+template getAccount*(state: WorldStateRef, address: EthAddress): AccountState =
   state.getAccount(toAccountKey(address))
 
 proc setAccount*(state: WorldStateRef, address: EthAddress, accState: AccountState) =
   let accountKey = toAccountKey(address)
-  state.setAccountPreimage(accountKey, address)
 
   try:
     if not state.storageTries.contains(accountKey):
@@ -198,12 +176,10 @@ iterator updatedStorageProofs*(
   except RlpError as e:
     raiseAssert(e.msg) # should never happen unless the database is corrupted
 
-proc getUpdatedBytecode*(
-    state: WorldStateRef, accountKey: AddressHash
-): seq[byte] {.inline.} =
+template getUpdatedBytecode*(state: WorldStateRef, accountKey: AddressHash): seq[byte] =
   state.db.getBytecodeUpdatedCache().get(accountKey.data)
 
-# Slow: Used for testing only
+# Slow: Only used for testing
 proc verifyProofs*(
     state: WorldStateRef, preStateRoot: KeccakHash, expectedStateRoot: KeccakHash
 ) =