Merge pull request #931 from konstantinzolotarev/ganache_fixes

Fixes for ganache integration

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex

@@ -372,8 +372,9 @@ defmodule EthereumJSONRPC do
 
   # We can only depend on implementations supporting 64-bit integers:
   # * Parity only supports u64 (https://github.com/paritytech/jsonrpc-core/blob/f2c61edb817e344d92ab3baf872fa77d1602430a/src/id.rs#L13)
+  # * Ganache only supports u32 (https://github.com/trufflesuite/ganache-core/issues/190)
   def unique_request_id do
-    <<unique_request_id::big-integer-size(8)-unit(8)>> = :crypto.strong_rand_bytes(8)
+    <<unique_request_id::big-integer-size(4)-unit(8)>> = :crypto.strong_rand_bytes(4)
     unique_request_id
   end
 

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/transaction.ex

@@ -137,6 +137,38 @@ defmodule EthereumJSONRPC.Transaction do
     }
   end
 
+  # Ganache bug. it return `to: "0x0"` except of `to: null`
+  def elixir_to_params(
+        %{
+          "to" => "0x0"
+        } = transaction
+      ) do
+    %{transaction | "to" => nil}
+    |> elixir_to_params()
+  end
+
+  # Ganache bug. It don't send `r,s,v` transaction fields.
+  # Fix is in sources but not released yet
+  def elixir_to_params(
+        %{
+          "blockHash" => _,
+          "blockNumber" => _,
+          "from" => _,
+          "gas" => _,
+          "gasPrice" => _,
+          "hash" => _,
+          "input" => _,
+          "nonce" => _,
+          "to" => _,
+          "transactionIndex" => _,
+          "value" => _
+        } = transaction
+      ) do
+    transaction
+    |> Map.merge(%{"r" => 0, "s" => 0, "v" => 0})
+    |> elixir_to_params()
+  end
+
   @doc """
   Extracts `t:EthereumJSONRPC.hash/0` from transaction `params`
 

apps/explorer/config/dev/ganache.exs

@@ -0,0 +1,20 @@
+use Mix.Config
+
+config :explorer,
+  json_rpc_named_arguments: [
+    transport: EthereumJSONRPC.HTTP,
+    transport_options: [
+      http: EthereumJSONRPC.HTTP.HTTPoison,
+      url: System.get_env("ETHEREUM_JSONRPC_HTTP_URL") || "http://localhost:7545",
+      http_options: [recv_timeout: 60_000, timeout: 60_000, hackney: [pool: :ethereum_jsonrpc]]
+    ],
+    variant: EthereumJSONRPC.Geth
+  ],
+  subscribe_named_arguments: [
+    transport: EthereumJSONRPC.WebSocket,
+    transport_options: [
+      web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
+      url: System.get_env("ETHEREUM_JSONRPC_WEB_SOCKET_URL") || "ws://localhost:7545"
+    ],
+    variant: EthereumJSONRPC.Geth
+  ]

apps/indexer/config/dev/ganache.exs

@@ -0,0 +1,20 @@
+use Mix.Config
+
+config :indexer,
+  block_interval: 5_000,
+  json_rpc_named_arguments: [
+    transport: EthereumJSONRPC.HTTP,
+    transport_options: [
+      http: EthereumJSONRPC.HTTP.HTTPoison,
+      url: System.get_env("ETHEREUM_JSONRPC_HTTP_URL") || "http://localhost:7545",
+      http_options: [recv_timeout: 60_000, timeout: 60_000, hackney: [pool: :ethereum_jsonrpc]]
+    ],
+    variant: EthereumJSONRPC.Geth
+  ],
+  subscribe_named_arguments: [
+    transport: EthereumJSONRPC.WebSocket,
+    transport_options: [
+      web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
+      url: System.get_env("ETHEREUM_JSONRPC_WEB_SOCKET_URL") || "ws://localhost:7545"
+    ]
+  ]