52 lines
1.8 KiB
Nim
52 lines
1.8 KiB
Nim
|
# beacon_chain
|
||
|
|
# Copyright (c) 2022 Status Research & Development GmbH
|
||
|
|
# Licensed and distributed under either of
|
||
|
|
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
|
||
|
|
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||
|
|
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||
|
|
|
||
|
|
{.push raises: [Defect].}
|
||
|
|
|
||
|
|
import
|
||
|
|
json_rpc/[rpcproxy, rpcserver],
|
||
|
|
web3/conversions,
|
||
|
|
../../nimbus/rpc/[hexstrings, rpc_types],
|
||
|
|
beacon_chain/eth1/eth1_monitor,
|
||
|
|
beacon_chain/spec/forks
|
||
|
|
|
||
|
|
export rpcproxy, forks
|
||
|
|
|
||
|
|
template encodeQuantity(value: UInt256): HexQuantityStr =
|
||
|
|
HexQuantityStr("0x" & value.toHex())
|
||
|
|
|
||
|
|
proc encodeQuantity(q: Quantity): hexstrings.HexQuantityStr =
|
||
|
|
return hexstrings.encodeQuantity(distinctBase(q))
|
||
|
|
|
||
|
|
type LightClientRpcProxy* = ref object
|
||
|
|
proxy*: RpcProxy
|
||
|
|
executionPayload*: Opt[ExecutionPayloadV1]
|
||
|
|
|
||
|
|
proc installEthApiHandlers*(lcProxy: LightClientRpcProxy) =
|
||
|
|
template payload(): Opt[ExecutionPayloadV1] = lcProxy.executionPayload
|
||
|
|
|
||
|
|
lcProxy.proxy.rpc("eth_blockNumber") do() -> HexQuantityStr:
|
||
|
|
## Returns the number of most recent block.
|
||
|
|
if payload.isNone:
|
||
|
|
raise newException(ValueError, "Syncing")
|
||
|
|
|
||
|
|
return encodeQuantity(payload.get.blockNumber)
|
||
|
|
|
||
|
|
lcProxy.proxy.rpc("eth_getBlockByNumber") do(
|
||
|
|
quantityTag: string, fullTransactions: bool) -> Option[rpc_types.BlockObject]:
|
||
|
|
## Returns information about a block by number.
|
||
|
|
if payload.isNone:
|
||
|
|
raise newException(ValueError, "Syncing")
|
||
|
|
|
||
|
|
if quantityTag != "latest":
|
||
|
|
raise newException(ValueError, "Only latest block is supported")
|
||
|
|
|
||
|
|
if fullTransactions:
|
||
|
|
raise newException(ValueError, "Transaction bodies not supported")
|
||
|
|
|
||
|
|
return some rpc_types.BlockObject(number: some(encodeQuantity(payload.get.blockNumber)))
|