Resolve ambiguous call (#181)

* Resolve ambiguous call

* uint64 encoding only for JrpcConv

Author: jangko

web3/conversions.nim

@@ -203,13 +203,6 @@ proc writeValue*[F: CommonJsonFlavors](w: var JsonWriter[F], v: RlpEncodedBytes)
       {.gcsafe, raises: [IOError].} =
   writeHexValue w, distinctBase(v)
 
-proc writeValue*[F: CommonJsonFlavors](
-    w: var JsonWriter[F], v: uint64
-) {.gcsafe, raises: [IOError].} =
-  w.stream.write "\"0x"
-  w.stream.toHex(v)
-  w.stream.write "\""
-
 proc writeValue*[F: CommonJsonFlavors](
     w: var JsonWriter[F], v: Quantity
 ) {.gcsafe, raises: [IOError].} =
@@ -260,29 +253,21 @@ proc readValue*[F: CommonJsonFlavors](r: var JsonReader[F], val: var RlpEncodedB
       # skip empty hex
       val = RlpEncodedBytes hexToSeqByte(hexStr)
 
-proc readValue*[F: CommonJsonFlavors](r: var JsonReader[F], val: var uint64)
-       {.gcsafe, raises: [IOError, JsonReaderError].} =
-  let hexStr = r.parseString()
-  if hexStr.invalidQuantityPrefix:
-    r.raiseUnexpectedValue("Uint64 value has invalid leading 0")
-  wrapValueError:
-    val = fromHex[uint64](hexStr)
-
 proc readValue*[F: CommonJsonFlavors](r: var JsonReader[F], val: var Quantity)
        {.gcsafe, raises: [IOError, JsonReaderError].} =
   let hexStr = r.parseString()
   if hexStr.invalidQuantityPrefix:
     r.raiseUnexpectedValue("Quantity value has invalid leading 0")
   wrapValueError:
-    val = Quantity fromHex[uint64](hexStr)
+    val = Quantity strutils.fromHex[uint64](hexStr)
 
 proc readValue*[F: CommonJsonFlavors](r: var JsonReader[F], val: var ChainId)
        {.gcsafe, raises: [IOError, JsonReaderError].} =
   let hexStr = r.parseString()
   if hexStr.invalidQuantityPrefix:
     r.raiseUnexpectedValue("ChainId value has invalid leading 0")
   wrapValueError:
-    val = ChainId fromHex[uint64](hexStr)
+    val = ChainId strutils.fromHex[uint64](hexStr)
 
 proc readValue*[F: CommonJsonFlavors](r: var JsonReader[F], val: var PayloadExecutionStatus)
        {.gcsafe, raises: [IOError, JsonReaderError].} =
@@ -305,6 +290,20 @@ proc writeValue*[F: CommonJsonFlavors](w: var JsonWriter[F], v: PayloadExecution
 # Exclusive to JrpcConv
 #------------------------------------------------------------------------------
 
+proc writeValue*(w: var JsonWriter[JrpcConv], v: uint64)
+      {.gcsafe, raises: [IOError].} =
+  w.stream.write "\"0x"
+  w.stream.toHex(v)
+  w.stream.write "\""
+
+proc readValue*(r: var JsonReader[JrpcConv], val: var uint64)
+       {.gcsafe, raises: [IOError, JsonReaderError].} =
+  let hexStr = r.parseString()
+  if hexStr.invalidQuantityPrefix:
+    r.raiseUnexpectedValue("Uint64 value has invalid leading 0")
+  wrapValueError:
+    val = strutils.fromHex[uint64](hexStr)
+
 proc writeValue*(w: var JsonWriter[JrpcConv], val: UInt256)
       {.gcsafe, raises: [IOError].} =
   w.writeValue("0x" & val.toHex)