Reduce the rate of requesting deposits to lower the risk of triggering the Infura rate limits

beacon_chain/eth1_monitor.nim

@@ -31,7 +31,7 @@ contract(DepositContract):
 
 const
   web3Timeouts = 60.seconds
-  hasDepositRootChecks = true # defined(has_deposit_root_checks)
+  hasDepositRootChecks = defined(has_deposit_root_checks)
   hasGenesisDetection* = defined(has_genesis_detection)
 
 type
@@ -276,7 +276,6 @@ proc fetchTimestamp(p: Web3DataProviderRef, blk: Eth1Block) {.async.} =
   let web3block = await p.getBlockByHash(blk.voteData.block_hash.asBlockHash)
   blk.timestamp = Eth1BlockTimestamp web3block.timestamp
 
-when hasDepositRootChecks:
 type
   DepositContractDataStatus = enum
     Fetched
@@ -286,6 +285,7 @@ when hasDepositRootChecks:
     DepositCountIncorrect
     DepositCountUnavailable
 
+when hasDepositRootChecks:
   const
     contractCallTimeout = seconds(60)
 
@@ -655,6 +655,10 @@ proc syncBlockRange(m: Eth1Monitor,
             toBlock = maxBlockNumberRequested
 
       debug.logTime "Deposit logs obtained":
+        # Reduce all request rate until we have a more general solution
+        # for dealing with Infura's rate limits
+        await sleepAsync(milliseconds(100))
+
         let jsonLogsFut = m.dataProvider.ns.getJsonLogs(
           DepositEvent,
           fromBlock = some blockId(currentBlock),
@@ -671,13 +675,11 @@ proc syncBlockRange(m: Eth1Monitor,
       currentBlock = maxBlockNumberRequested + 1
       break
 
-    debug.logTime "Deposits grouped in blocks":
     let blocksWithDeposits = depositEventsToBlocks(depositLogs)
 
     for i in 0 ..< blocksWithDeposits.len:
       let blk = blocksWithDeposits[i]
 
-      debug.logTime "New deposit_root computed":
       for deposit in blk.deposits:
         merkleizer[].addChunk hash_tree_root(deposit).data