1 files changed, 7 insertions, 5 deletions
diff --git a/pkgs/applications/blockchains/ethabi/default.nix b/pkgs/applications/blockchains/ethabi/default.nix
index 49f34a68bbacb..eea4d546f14ba 100644
--- a/pkgs/applications/blockchains/ethabi/default.nix
+++ b/pkgs/applications/blockchains/ethabi/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, libiconv }:
+{ lib, rustPlatform, fetchFromGitHub }:
 
 rustPlatform.buildRustPackage rec {
   pname = "ethabi";
@@ -11,11 +11,13 @@ rustPlatform.buildRustPackage rec {
     sha256 = "sha256-bl46CSVP1MMYI3tkVAHFrjMFwTt8QoleZCV9pMIMZyc=";
   };
 
-  cargoSha256 = "sha256-Jz0uEP2/ZjLS+GbCp7lNyJQdFDjTSFthjBdC/Z4tkTs=";
-
-  cargoPatches = [ ./add-Cargo-lock.patch ];
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+  };
 
-  buildInputs = lib.optional stdenv.isDarwin libiconv;
+  postPatch = ''
+    ln -s ${./Cargo.lock} Cargo.lock
+  '';
 
   meta = with lib; {
     description = "Ethereum function call encoding (ABI) utility";