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Add check for UInt256 strings being too long

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coffeepots 2018-05-17 19:51:33 +01:00
parent e19aa96755
commit 1a062f0946
1 changed files with 4 additions and 1 deletions
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5
eth-rpc/server/servertypes.nim
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@ -79,7 +79,10 @@ proc fromJson(n: JsonNode, argName: string, result: var byte) =
proc fromJson(n: JsonNode, argName: string, result: var UInt256) =
# expects base 16 string, starting with "0x"
n.kind.expect(JString, argName)
result = n.getStr().parse(StUint[256], 16) # TODO: Handle errors
let hexStr = n.getStr()
if hexStr.len > 64 + 2: # including "0x"
raise newException(ValueError, "Parameter \"" & argName & "\" value too long for UInt256: " & $hexStr.len)
result = hexStr.parse(StUint[256], 16) # TODO: Handle errors
proc fromJson(n: JsonNode, argName: string, result: var float) =
n.kind.expect(JFloat, argName)