68 lines
2.2 KiB
Nim
68 lines
2.2 KiB
Nim
# Fluffy
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# Copyright (c) 2024 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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chronicles,
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json_rpc/rpcclient,
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web3/[eth_api, eth_api_types],
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../../rpc/rpc_calls/rpc_trace_calls,
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./portal_bridge_conf
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export rpcclient
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proc newRpcClientConnect*(url: JsonRpcUrl): RpcClient =
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## Instantiate a new JSON-RPC client and try to connect. Will quit on failure.
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case url.kind
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of HttpUrl:
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let client = newRpcHttpClient()
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try:
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waitFor client.connect(url.value)
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except CatchableError as e:
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fatal "Failed to connect to JSON-RPC server", error = $e.msg, url = url.value
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quit QuitFailure
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client
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of WsUrl:
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let client = newRpcWebSocketClient()
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try:
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waitFor client.connect(url.value)
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except CatchableError as e:
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fatal "Failed to connect to JSON-RPC server", error = $e.msg, url = url.value
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quit QuitFailure
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client
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proc getBlockByNumber*(
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client: RpcClient, blockId: BlockIdentifier, fullTransactions: bool = true
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): Future[Result[BlockObject, string]] {.async: (raises: []).} =
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let blck =
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try:
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let res = await client.eth_getBlockByNumber(blockId, fullTransactions)
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if res.isNil:
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return err("EL failed to provide requested block")
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res
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except CatchableError as e:
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return err("EL JSON-RPC eth_getBlockByNumber failed: " & e.msg)
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return ok(blck)
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proc getUncleByBlockNumberAndIndex*(
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client: RpcClient, blockId: BlockIdentifier, index: Quantity
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): Future[Result[BlockObject, string]] {.async: (raises: []).} =
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let blck =
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try:
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let res = await client.eth_getUncleByBlockNumberAndIndex(blockId, index)
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if res.isNil:
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return err("EL failed to provide requested uncle block")
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res
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except CatchableError as e:
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return err("EL JSON-RPC eth_getUncleByBlockNumberAndIndex failed: " & e.msg)
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return ok(blck)
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