62 lines
2.5 KiB
Nim
62 lines
2.5 KiB
Nim
# Nimbus
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# Copyright (c) 2021-2023 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: [].}
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import
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std/json,
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stew/[byteutils, results],
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eth/common, chronos, json_rpc/rpcclient
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# Specification of api https://github.com/ethereum/stateless-ethereum-specs/blob/master/portal-bridge-nodes.md#api
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# TODO after nethermind plugin will be ready we can get few responses from those endpoints, to create mock client to test if we
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# properly parse respones
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type
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BridgeClient* = RpcClient
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from json_rpc/rpcserver import expect
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proc parseWitness*(node: JsonNode): Result[seq[seq[byte]], string] =
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try:
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node.kind.expect(JArray, "blockWitness")
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if (node.len > 0):
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var rs = newSeqOfCap[seq[byte]](node.len)
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for elem in node.elems:
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elem.kind.expect(JString, "BlockWitnessArgument")
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let hexStr = elem.getStr
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let parsedHex = hexToSeqByte(hexStr)
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rs.add(parsedHex)
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return ok(rs)
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else:
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return ok(newSeq[seq[byte]](0))
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except ValueError as error:
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return err(error.msg)
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# bridge_waitNewCanonicalChain
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proc waitNewCanonicalChain*(bridgeClient: BridgeClient): Future[void] {.async.} = discard
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#bridge_getBlockChanges
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proc getBlockChanges*(bridgeClient: BridgeClient, blockHash: Hash256): Future[AccessList] {.async.} = discard
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#bridge_getItemWitness
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proc getItemWitness*(bridgeClient: BridgeClient, blockHash: Hash256, acctAddr: EthAddress, slotAddr: StorageKey):
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Future[seq[seq[byte]]] {.async.} = discard
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#bridge_getNextItem
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proc getNextItem*(bridgeClient: BridgeClient, blockHash: Hash256, acctAddr: EthAddress, slotAddr: StorageKey):
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Future[(EthAddress, StorageKey)] {.async.} = discard
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# bridge_getBlockWitness
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# Returns a list of all RLP-encoded merkle trie values (including contract bytecode) accessed during block execution
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proc getBlockWitness*(bridgeClient: BridgeClient, blockNumber: BlockNumber):
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Future[Result[seq[seq[byte]], string]] {.async.} =
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let result = await bridgeClient.call("bridge_getBlockWitnessblockNumber", %[%blockNumber])
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return parseWitness(result)
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proc close*(bridgeClient: BridgeClient): Future[void] {.async.} =
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await bridgeClient.close()
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