Fix the 'maxDelay' FieldError problem during the initial deposit making when joining a testnet

beacon_chain/beacon_node.nim

@@ -7,7 +7,7 @@
 
 import
   # Standard library
-  algorithm, os, tables, strutils, times, math, terminal,
+  algorithm, os, tables, strutils, times, math, terminal, random,
 
   # Nimble packages
   stew/[objects, byteutils], stew/shims/macros,
@@ -1235,12 +1235,17 @@ programMain:
         waitFor sendDeposits(config, deposits.value)
 
     of DepositsCmd.send:
+      var delayGenerator: DelayGenerator
+      if config.maxDelay > 0.0:
+        delayGenerator = proc (): chronos.Duration {.gcsafe.} =
+          chronos.milliseconds (rand(config.minDelay..config.maxDelay)*1000).int
+
       if config.minDelay > config.maxDelay:
         echo "The minimum delay should not be larger than the maximum delay"
         quit 1
 
       let deposits = loadDeposits(config.depositsDir)
-      waitFor sendDeposits(config, deposits)
+      waitFor sendDeposits(config, deposits, delayGenerator)
 
     of DepositsCmd.status:
       # TODO

beacon_chain/keystore_management.nim

@@ -1,5 +1,5 @@
 import
-  os, strutils, terminal, random,
+  os, strutils, terminal,
   chronicles, chronos, blscurve, nimcrypto, json_serialization, serialization,
   web3, stint, eth/keys, confutils,
   spec/[datatypes, digest, crypto, keystore], conf, ssz/merkleization, merkle_minimal
@@ -193,12 +193,8 @@ proc sendDeposits*(deposits: seq[Deposit],
       await sleepAsync(delayGenerator())
 
 proc sendDeposits*(config: BeaconNodeConf,
-                   deposits: seq[Deposit]) {.async.} =
-  var delayGenerator: DelayGenerator
-  if config.maxDelay > 0.0:
-    delayGenerator = proc (): chronos.Duration {.gcsafe.} =
-      chronos.milliseconds (rand(config.minDelay..config.maxDelay)*1000).int
-
+                   deposits: seq[Deposit],
+                   delayGenerator: DelayGenerator = nil) {.async.} =
   info "Sending deposits",
     web3 = config.web3Url,
     depositContract = config.depositContractAddress