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Add fetch blocks by tag function

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pull/6190/head
sl1depengwyn 2 years ago committed by Maxim Filonov
parent cd284b1e09
commit b86f1408c6
2 changed files with 212 additions and 0 deletions
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  1. 10
      apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex
  2. 202
      apps/ethereum_jsonrpc/test/ethereum_jsonrpc_test.exs

10
apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex
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@ -275,6 +275,16 @@ defmodule EthereumJSONRPC do
|> fetch_blocks_by_params(&Block.ByNumber.request/1, json_rpc_named_arguments)
end
@doc """
Fetches block by "t:tag/0".
"""
@spec fetch_blocks_by_tag(tag(), json_rpc_named_arguments) ::
{:ok, Blocks.t()} | {:error, reason :: :invalid_tag | :not_found | term()}
def fetch_blocks_by_tag(tag, json_rpc_named_arguments) when tag in ~w(earliest latest pending) do
[%{tag: tag}]
|> fetch_blocks_by_params(&Block.ByTag.request/1, json_rpc_named_arguments)
end
@doc """
Fetches uncle blocks by nephew hashes and indices.
"""

202
apps/ethereum_jsonrpc/test/ethereum_jsonrpc_test.exs
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@ -543,6 +543,208 @@ defmodule EthereumJSONRPCTest do
end
end
describe "fetch_blocks_by_tag/2" do
@tag capture_log: false
test "with earliest", %{json_rpc_named_arguments: json_rpc_named_arguments} do
if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
expect(EthereumJSONRPC.Mox, :json_rpc, fn [%{id: id}], _options ->
block_number = "0x0"
block_hash = "0x29c850324e357f3c0c836d79860c5af55f7b651e5d7ee253c1af1b14908af49c"
transaction_hash = "0xa2e81bb56b55ba3dab2daf76501b50dfaad240cccb905dbf89d65c7a84a4a48e"
{:ok,
[
%{
id: id,
result: %{
"difficulty" => "0x0",
"gasLimit" => "0x0",
"gasUsed" => "0x0",
"hash" => block_hash,
"extraData" => "0x0",
"logsBloom" => "0x0",
"miner" => "0x0",
"number" => block_number,
"parentHash" => "0x0",
"receiptsRoot" => "0x0",
"size" => "0x0",
"sha3Uncles" => "0x0",
"stateRoot" => "0x0",
"timestamp" => "0x0",
"totalDifficulty" => "0x0",
"transactions" => [
%{
"blockHash" => block_hash,
"blockNumber" => block_number,
"from" => "0x0",
"gas" => "0x0",
"gasPrice" => "0x0",
"hash" => transaction_hash,
"input" => "0x",
"nonce" => "0x0",
"r" => "0x0",
"s" => "0x0",
"to" => "0x0",
"transactionIndex" => "0x0",
"v" => "0x0",
"value" => "0x0"
}
],
"transactionsRoot" => "0x0",
"uncles" => []
}
}
]}
end)
end
log_bad_gateway(
fn -> EthereumJSONRPC.fetch_blocks_by_tag("earliest", json_rpc_named_arguments) end,
fn result ->
assert {:ok, %Blocks{blocks_params: [_ | _], transactions_params: [_ | _]}} = result
end
)
end
@tag capture_log: false
test "with latest", %{json_rpc_named_arguments: json_rpc_named_arguments} do
if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
expect(EthereumJSONRPC.Mox, :json_rpc, fn [%{id: id}], _options ->
block_number = "0x1"
block_hash = "0x29c850324e357f3c0c836d79860c5af55f7b651e5d7ee253c1af1b14908af49c"
transaction_hash = "0xa2e81bb56b55ba3dab2daf76501b50dfaad240cccb905dbf89d65c7a84a4a48e"
{:ok,
[
%{
id: id,
result: %{
"difficulty" => "0x0",
"gasLimit" => "0x0",
"gasUsed" => "0x0",
"hash" => block_hash,
"extraData" => "0x0",
"logsBloom" => "0x0",
"miner" => "0x0",
"number" => block_number,
"parentHash" => "0x0",
"receiptsRoot" => "0x0",
"size" => "0x0",
"sha3Uncles" => "0x0",
"stateRoot" => "0x0",
"timestamp" => "0x0",
"totalDifficulty" => "0x0",
"transactions" => [
%{
"blockHash" => block_hash,
"blockNumber" => block_number,
"from" => "0x0",
"gas" => "0x0",
"gasPrice" => "0x0",
"hash" => transaction_hash,
"input" => "0x",
"nonce" => "0x0",
"r" => "0x0",
"s" => "0x0",
"to" => "0x0",
"transactionIndex" => "0x0",
"v" => "0x0",
"value" => "0x0"
}
],
"transactionsRoot" => "0x0",
"uncles" => []
}
}
]}
end)
end
log_bad_gateway(
fn -> EthereumJSONRPC.fetch_blocks_by_tag("latest", json_rpc_named_arguments) end,
fn result ->
{:ok, %Blocks{blocks_params: [_ | _], transactions_params: [_ | _]}} = result
end
)
end
@tag capture_log: false
test "with pending", %{json_rpc_named_arguments: json_rpc_named_arguments} do
if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
expect(EthereumJSONRPC.Mox, :json_rpc, fn [%{id: id}], _options ->
block_number = "0x1"
block_hash = "0x29c850324e357f3c0c836d79860c5af55f7b651e5d7ee253c1af1b14908af49c"
transaction_hash = "0xa2e81bb56b55ba3dab2daf76501b50dfaad240cccb905dbf89d65c7a84a4a48e"
{:ok,
[
%{
id: id,
result: %{
"difficulty" => "0x0",
"gasLimit" => "0x0",
"gasUsed" => "0x0",
"hash" => block_hash,
"extraData" => "0x0",
"logsBloom" => "0x0",
"miner" => "0x0",
"number" => block_number,
"parentHash" => "0x0",
"receiptsRoot" => "0x0",
"size" => "0x0",
"sha3Uncles" => "0x0",
"stateRoot" => "0x0",
"timestamp" => "0x0",
"totalDifficulty" => "0x0",
"transactions" => [
%{
"blockHash" => block_hash,
"blockNumber" => block_number,
"from" => "0x0",
"gas" => "0x0",
"gasPrice" => "0x0",
"hash" => transaction_hash,
"input" => "0x",
"nonce" => "0x0",
"r" => "0x0",
"s" => "0x0",
"to" => "0x0",
"transactionIndex" => "0x0",
"v" => "0x0",
"value" => "0x0"
}
],
"transactionsRoot" => "0x0",
"uncles" => []
}
}
]}
end)
end
log_bad_gateway(
fn -> EthereumJSONRPC.fetch_blocks_by_tag("pending", json_rpc_named_arguments) end,
fn result ->
{:ok, %Blocks{blocks_params: [_ | _], transactions_params: [_ | _]}} = result
end
)
end
test "unknown errors are returned", %{json_rpc_named_arguments: json_rpc_named_arguments} do
# Can't be faked reliably on real chain
moxed_json_rpc_named_arguments = Keyword.put(json_rpc_named_arguments, :transport, EthereumJSONRPC.Mox)
unknown_error = %{"code" => 500, "message" => "Unknown error"}
expect(EthereumJSONRPC.Mox, :json_rpc, fn _json, _options ->
{:error, unknown_error}
end)
assert {:error, ^unknown_error} =
EthereumJSONRPC.fetch_block_number_by_tag("latest", moxed_json_rpc_named_arguments)
end
end
describe "fetch_block_number_by_tag" do
@tag capture_log: false
test "with earliest", %{json_rpc_named_arguments: json_rpc_named_arguments} do

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