nim-ethers/ethers/providers/rpccalls/conversions.nim

61 lines
1.5 KiB
Nim

import std/json
import pkg/stew/byteutils
import ../../basics
import ../../transaction
import ../../blocktag
# byte sequence
func `%`*(bytes: seq[byte]): JsonNode =
%("0x" & bytes.toHex)
func fromJson*(json: JsonNode, name: string, result: var seq[byte]) =
result = hexToSeqByte(json.getStr())
# byte arrays
func `%`*[N](bytes: array[N, byte]): JsonNode =
%("0x" & bytes.toHex)
func fromJson*[N](json: JsonNode, name: string, result: var array[N, byte]) =
hexToByteArray(json.getStr(), result)
# Address
func `%`*(address: Address): JsonNode =
%($address)
func fromJson*(json: JsonNode, name: string, result: var Address) =
if address =? Address.init(json.getStr()):
result = address
else:
raise newException(ValueError, "\"" & name & "\"is not an Address")
# UInt256
func `%`*(integer: UInt256): JsonNode =
%("0x" & toHex(integer))
func fromJson*(json: JsonNode, name: string, result: var UInt256) =
result = UInt256.fromHex(json.getStr())
# Transaction
func `%`*(transaction: Transaction): JsonNode =
result = %{ "to": %transaction.to, "data": %transaction.data }
if sender =? transaction.sender:
result["from"] = %sender
if nonce =? transaction.nonce:
result["nonce"] = %nonce
if chainId =? transaction.chainId:
result["chainId"] = %chainId
if gasPrice =? transaction.gasPrice:
result["gasPrice"] = %gasPrice
if gasLimit =? transaction.gasLimit:
result["gas"] = %gasLimit
# BlockTag
func `%`*(blockTag: BlockTag): JsonNode =
%($blockTag)