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

72 lines
2.5 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,
../../../tests/rpcclient/eth_api
export eth_api
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)
proc nonceAt*(client: RpcClient, address: EthAddress): Future[AccountNonce] {.async.} =
let hex = await client.eth_getTransactionCount(ethAddressStr(address), "latest")
result = parseHexInt(hex.string).AccountNonce
proc txReceipt*(client: RpcClient, txHash: Hash256): Future[Option[Receipt]] {.async.} =
let rr = await client.eth_getTransactionReceipt(txHash)
if rr.isNone:
return none(Receipt)
let rc = rr.get()
let rec = Receipt(
receiptType: LegacyReceipt,
isHash : rc.root.isSome,
status : rc.status.isSome,
hash : rc.root.get(Hash256()),
cumulativeGasUsed: parseHexInt(rc.cumulativeGasUsed.string).GasInt,
bloom : BloomFilter(rc.logsBloom),
logs : rc.logs
)
result = some(rec)
proc gasUsed*(client: RpcClient, txHash: Hash256): Future[Option[GasInt]] {.async.} =
let rr = await client.eth_getTransactionReceipt(txHash)
if rr.isNone:
return none(GasInt)
let rc = rr.get()
result = some(parseHexInt(rc.gasUsed.string).GasInt)