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