nimbus-eth1/hive_integration/nodocker/rpc/client.nim

41 lines
1.5 KiB
Nim

# Nimbus
# Copyright (c) 2021 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.
import
std/strutils,
eth/[common, keys, rlp],
stew/byteutils,
chronos, stint,
json_rpc/[rpcclient],
../../../nimbus/[utils, transaction],
../../../nimbus/rpc/hexstrings,
"."/[callsigs]
proc fromHex(x: type Hash256, hex: EthHashStr): Hash256 =
hexToByteArray(hex.string, result.data)
proc sendTransaction*(client: RpcClient, tx: Transaction): Future[bool] {.async.} =
let data = rlp.encode(tx)
let txHash = keccakHash(data)
let hex = await client.eth_sendRawTransaction(hexDataStr(data))
let decodedHash = Hash256.fromHex(hex)
result = decodedHash == txHash
proc blockNumber*(client: RpcClient): Future[uint64] {.async.} =
let hex = await client.eth_blockNumber()
result = parseHexInt(hex.string).uint64
proc balanceAt*(client: RpcClient, address: EthAddress, blockNumber: uint64): Future[UInt256] {.async.} =
let hex = await client.eth_getBalance(ethAddressStr(address), encodeQuantity(blockNumber).string)
result = UInt256.fromHex(hex.string)
proc balanceAt*(client: RpcClient, address: EthAddress): Future[UInt256] {.async.} =
let hex = await client.eth_getBalance(ethAddressStr(address), "latest")
result = UInt256.fromHex(hex.string)