contract address NIF

lib/starknet_explorer/pedersen.ex

@@ -0,0 +1,14 @@
+defmodule StarknetExplorer.Pedersen do
+  use Rustler, otp_app: :starknet_explorer, crate: "pedersen"
+  # @spec decode(binary, atom) :: binary
+  # def decode(_b64, _opt \\ :standard), do: error()
+
+  # @spec encode(binary, atom) :: binary
+  # def encode(_s, _opt \\ :standard), do: error()
+
+  # defp _error(), do: :erlang.nif_error(:nif_not_loaded)
+
+  # fn caclulate_contract_hash<'a>(salt: String, class_hash: String, constructor_calldata: Vec<String>, deployer_address: String) -> NifResult<String> {
+  def calculate_contract_address(salt, class_hash, constructor_calldata, deployer_address),
+    do: :erlang.nif_error(:nif_not_loaded)
+end

lib/starknet_explorer/transaction.ex

@@ -2,7 +2,7 @@ defmodule StarknetExplorer.Transaction do
   use Ecto.Schema
   import Ecto.Changeset
   import Ecto.Query
-  alias StarknetExplorer.{Transaction, Repo, TransactionReceipt}
+  alias StarknetExplorer.{Transaction, Repo, TransactionReceipt, Pedersen}
 
   @l1_handler_tx_fields [
     :hash,

lib/starknet_explorer_web/live/transaction_live.ex

@@ -709,6 +709,17 @@ defmodule StarknetExplorerWeb.TransactionLive do
       (Message.from_transaction_receipt(receipt) ++ [Message.from_transaction(transaction)])
       |> Enum.reject(&is_nil/1)
 
+    # constructor_calldata: Vec<String>, deployer_address: String) -> NifResult<String> {
+    address =
+      StarknetExplorer.Pedersen.calculate_contract_address(
+        transaction.contract_address_salt,
+        transaction.class_hash,
+        transaction.constructor_calldata,
+        "0x0"
+      )
+
+    IO.inspect(address)
+
     # change fee formatting
     actual_fee = Utils.hex_wei_to_eth(transaction.receipt.actual_fee)
 

mix.exs

@@ -60,6 +60,7 @@ defmodule StarknetExplorer.MixProject do
       {:ex_aws, "~> 2.0"},
       {:ex_keccak, "~> 0.7.1"},
       {:ex_aws_s3, "~> 2.0"},
+      {:rustler, "~> 0.29.0"},
       {:poison, "~> 3.1"},
       {:hackney, "~> 1.6"},
       {:sweet_xml, "~> 0.7.0"},

mix.lock

@@ -55,6 +55,7 @@
   "ranch": {:hex, :ranch, "1.8.0", "8c7a100a139fd57f17327b6413e4167ac559fbc04ca7448e9be9057311597a1d", [:make, :rebar3], [], "hexpm", "49fbcfd3682fab1f5d109351b61257676da1a2fdbe295904176d5e521a2ddfe5"},
   "redbug": {:hex, :redbug, "1.2.2", "366d8961770ddc7bb5d209fbadddfa7271005487f938c087a0e385a57abfee33", [:rebar3], [], "hexpm", "b5fe7b94e487be559cb0ec1c0e938c9761205d3e91a96bf263bdf1beaebea729"},
   "rexbug": {:hex, :rexbug, "1.0.6", "024071c67d970151fbdc06f299faf8db3e1b2ac759a28623a9cc80a517fc74f2", [:mix], [{:mix_test_watch, ">= 0.5.0", [hex: :mix_test_watch, repo: "hexpm", optional: true]}, {:redbug, "~> 1.2", [hex: :redbug, repo: "hexpm", optional: false]}], "hexpm", "148ea724979413e9fd84ca3b4bb5d2d8b840ac481adfd645f5846fda409a642c"},
+  "rustler": {:hex, :rustler, "0.29.1", "880f20ae3027bd7945def6cea767f5257bc926f33ff50c0d5d5a5315883c084d", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "109497d701861bfcd26eb8f5801fe327a8eef304f56a5b63ef61151ff44ac9b6"},
   "rustler_precompiled": {:hex, :rustler_precompiled, "0.6.3", "f838d94bc35e1844973ee7266127b156fdc962e9e8b7ff666c8fb4fed7964d23", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:rustler, "~> 0.23", [hex: :rustler, repo: "hexpm", optional: true]}], "hexpm", "e18ecca3669a7454b3a2be75ae6c3ef01d550bc9a8cf5fbddcfff843b881d7c6"},
   "scrivener": {:hex, :scrivener, "2.7.2", "1d913c965ec352650a7f864ad7fd8d80462f76a32f33d57d1e48bc5e9d40aba2", [:mix], [], "hexpm", "7866a0ec4d40274efbee1db8bead13a995ea4926ecd8203345af8f90d2b620d9"},
   "scrivener_ecto": {:hex, :scrivener_ecto, "2.7.0", "cf64b8cb8a96cd131cdbcecf64e7fd395e21aaa1cb0236c42a7c2e34b0dca580", [:mix], [{:ecto, "~> 3.3", [hex: :ecto, repo: "hexpm", optional: false]}, {:scrivener, "~> 2.4", [hex: :scrivener, repo: "hexpm", optional: false]}], "hexpm", "e809f171687806b0031129034352f5ae44849720c48dd839200adeaf0ac3e260"},
@@ -68,6 +69,7 @@
   "telemetry_metrics": {:hex, :telemetry_metrics, "0.6.1", "315d9163a1d4660aedc3fee73f33f1d355dcc76c5c3ab3d59e76e3edf80eef1f", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7be9e0871c41732c233be71e4be11b96e56177bf15dde64a8ac9ce72ac9834c6"},
   "telemetry_poller": {:hex, :telemetry_poller, "1.0.0", "db91bb424e07f2bb6e73926fcafbfcbcb295f0193e0a00e825e589a0a47e8453", [:rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "b3a24eafd66c3f42da30fc3ca7dda1e9d546c12250a2d60d7b81d264fbec4f6e"},
   "tesla": {:hex, :tesla, "1.7.0", "a62dda2f80d4f8a925eb7b8c5b78c461e0eb996672719fe1a63b26321a5f8b4e", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: true]}, {:finch, "~> 0.13", [hex: :finch, repo: "hexpm", optional: true]}, {:fuse, "~> 2.4", [hex: :fuse, repo: "hexpm", optional: true]}, {:gun, "~> 1.3", [hex: :gun, repo: "hexpm", optional: true]}, {:hackney, "~> 1.6", [hex: :hackney, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.0", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:jason, ">= 1.0.0", [hex: :jason, repo: "hexpm", optional: true]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.0", [hex: :mint, repo: "hexpm", optional: true]}, {:msgpax, "~> 2.3", [hex: :msgpax, repo: "hexpm", optional: true]}, {:poison, ">= 1.0.0", [hex: :poison, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "2e64f01ebfdb026209b47bc651a0e65203fcff4ae79c11efb73c4852b00dc313"},
+  "toml": {:hex, :toml, "0.7.0", "fbcd773caa937d0c7a02c301a1feea25612720ac3fa1ccb8bfd9d30d822911de", [:mix], [], "hexpm", "0690246a2478c1defd100b0c9b89b4ea280a22be9a7b313a8a058a2408a2fa70"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.0", "bc84380c9ab48177092f43ac89e4dfa2c6d62b40b8bd132b1059ecc7232f9a78", [:rebar3], [], "hexpm", "25eee6d67df61960cf6a794239566599b09e17e668d3700247bc498638152521"},
   "unsafe": {:hex, :unsafe, "1.0.1", "a27e1874f72ee49312e0a9ec2e0b27924214a05e3ddac90e91727bc76f8613d8", [:mix], [], "hexpm", "6c7729a2d214806450d29766abc2afaa7a2cbecf415be64f36a6691afebb50e5"},
   "websock": {:hex, :websock, "0.5.2", "b3c08511d8d79ed2c2f589ff430bd1fe799bb389686dafce86d28801783d8351", [:mix], [], "hexpm", "925f5de22fca6813dfa980fb62fd542ec43a2d1a1f83d2caec907483fe66ff05"},

native/pedersen/.cargo/config.toml

@@ -0,0 +1,5 @@
+[target.'cfg(target_os = "macos")']
+rustflags = [
+    "-C", "link-arg=-undefined",
+    "-C", "link-arg=dynamic_lookup",
+]

native/pedersen/.gitignore

@@ -0,0 +1,2 @@
+/target
+/Cargo.lock

native/pedersen/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "pedersen"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]  
+rustler = "0.29"
+starknet_in_rust = { git = "https://github.com/lambdaclass/starknet_in_rust", version="0.4.0" }

native/pedersen/src/lib.rs

@@ -0,0 +1,22 @@
+extern crate rustler;
+use rustler::{NifResult, Error};
+use starknet_in_rust::{hash_utils::calculate_contract_address, felt::{Felt252, felt_str}, utils::Address};
+
+rustler::init!("Elixir.Pedersen", 
+              [caclulate_contract_hash]
+);
+
+#[rustler::nif]
+fn caclulate_contract_hash<'a>(salt: String, class_hash: String, constructor_calldata: Vec<String>, deployer_address: String) -> NifResult<String> {
+    let salt = felt_str!(salt.strip_prefix("0x").unwrap_or(&salt), 16);
+    let class_hash: Felt252 = felt_str!(class_hash.strip_prefix("0x").unwrap_or(&class_hash), 16);
+    let constructor_calldata: Vec<Felt252> = constructor_calldata.iter().map(|f| felt_str!(f.strip_prefix("0x").unwrap_or(&f), 16)).collect();
+    let deployer_address = felt_str!(deployer_address.strip_prefix("0x").unwrap_or(&deployer_address), 16);
+
+    let contract_address = calculate_contract_address(&salt, &class_hash, &constructor_calldata, Address(deployer_address));
+
+    match contract_address {
+        Ok(v) => NifResult::Ok(v.to_str_radix(16)),
+        Err(err) => NifResult::Err(Error::Term(Box::new(format!("Error calculating contract address: {}", err))))
+    }
+}

priv/repo/migrations/20230926222639_create_internal_calls.exs

@@ -0,0 +1,15 @@
+defmodule StarknetExplorer.Repo.Migrations.CreateInternalCalls do
+  use Ecto.Migration
+
+  def change do
+    create table(:internal_calls) do
+      add :transaction_hash, :string
+      add :type, :string
+      add :function_selector, :string
+      add :contract_address, :string
+      add :calldata, {:array, :string}
+
+      timestamps()
+    end
+  end
+end

rustler.exs

@@ -0,0 +1,9 @@
+[
+  rustlers: [
+    [
+      name: "pedersen",
+      path: "native/pedersen",
+      cargo_target: "release"
+    ]
+  ]
+]