Fix compilation errors in ncli_testnet.

ncli/ncli_testnet.nim

@@ -8,7 +8,7 @@
 {.push raises: [].}
 
 import
- std/[json, options],
+ std/[json, options, times],
  chronos, bearssl/rand, chronicles, confutils, stint, json_serialization,
  web3, eth/keys, eth/p2p/discoveryv5/random2,
  stew/[io2, byteutils], json_rpc/jsonmarshal,
@@ -333,6 +333,22 @@ func createDepositContractSnapshot(
  depositContractState: merkleizer.toDepositContractState,
  blockHeight: blockHeight)
 
+proc writeValue*(writer: var JsonWriter, value: DateTime) =
+ writer.writeValue($value)
+
+proc readValue*(reader: var JsonReader, value: var DateTime) =
+ let s = reader.readValue(string)
+ try:
+ value = parse(s, "YYYY-MM-dd HH:mm:ss'.'fffzzz", utc())
+ except CatchableError:
+ raiseUnexpectedValue(reader, "Invalid date time")
+
+proc writeValue*(writer: var JsonWriter, value: IoErrorCode) =
+ writer.writeValue(distinctBase value)
+
+proc readValue*(reader: var JsonReader, value: var IoErrorCode) =
+ IoErrorCode reader.readValue(distinctBase IoErrorCode)
+
 proc createEnr(rng: var HmacDrbgContext,
  dataDir: string,
  netKeyFile: string,