From 01328a794b12be3ad2eedfbd2d8bdd2be67bea03 Mon Sep 17 00:00:00 2001
From: Alexandre Paillier <alexandre.paillier@ledger.fr>
Date: Mon, 26 Feb 2024 11:08:40 +0100
Subject: [PATCH] New legacy app that retains support for the internal
 Starkware plugin that has been dropped from the main app in the newer
 versions

---
 Makefile                           |  4 ++--
 icons/nanos_app_eth_starkex.gif    |  1 +
 icons/nanox_app_eth_starkex.gif    |  1 +
 icons/stax_app_eth_starkex.gif     |  1 +
 makefile_conf/chain/eth_starkex.mk | 13 +++++++++++++
 5 files changed, 18 insertions(+), 2 deletions(-)
 create mode 120000 icons/nanos_app_eth_starkex.gif
 create mode 120000 icons/nanox_app_eth_starkex.gif
 create mode 120000 icons/stax_app_eth_starkex.gif
 create mode 100644 makefile_conf/chain/eth_starkex.mk

diff --git a/Makefile b/Makefile
index 4715da52a..d71101db1 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,7 @@ APP_LOAD_FLAGS= --appFlags 0xa40 --dep Ethereum:$(APPVERSION)
 ###########################
 
 ifeq ($(CHAIN),)
-CHAIN=ethereum
+CHAIN=eth_starkex
 endif
 
 SUPPORTED_CHAINS=$(shell find makefile_conf/chain/ -type f -name '*.mk'| sed 's/.*\/\(.*\).mk/\1/g' | sort)
@@ -286,4 +286,4 @@ include $(BOLOS_SDK)/Makefile.rules
 dep/%.d: %.c Makefile
 
 listvariants:
-	@echo VARIANTS CHAIN $(SUPPORTED_CHAINS)
+	@echo VARIANTS CHAIN $(CHAIN)
diff --git a/icons/nanos_app_eth_starkex.gif b/icons/nanos_app_eth_starkex.gif
new file mode 120000
index 000000000..6e2d655fc
--- /dev/null
+++ b/icons/nanos_app_eth_starkex.gif
@@ -0,0 +1 @@
+nanos_app_ethereum.gif
\ No newline at end of file
diff --git a/icons/nanox_app_eth_starkex.gif b/icons/nanox_app_eth_starkex.gif
new file mode 120000
index 000000000..e0e06ebda
--- /dev/null
+++ b/icons/nanox_app_eth_starkex.gif
@@ -0,0 +1 @@
+nanox_app_ethereum.gif
\ No newline at end of file
diff --git a/icons/stax_app_eth_starkex.gif b/icons/stax_app_eth_starkex.gif
new file mode 120000
index 000000000..2fe2d5543
--- /dev/null
+++ b/icons/stax_app_eth_starkex.gif
@@ -0,0 +1 @@
+stax_app_ethereum.gif
\ No newline at end of file
diff --git a/makefile_conf/chain/eth_starkex.mk b/makefile_conf/chain/eth_starkex.mk
new file mode 100644
index 000000000..91e58a78c
--- /dev/null
+++ b/makefile_conf/chain/eth_starkex.mk
@@ -0,0 +1,13 @@
+# Lock the application on its standard path for 1.5. Please complain if non compliant
+APP_LOAD_PARAMS += --path "44'/60'"
+DEFINES += CHAINID_UPCASE=\"ETHEREUM\" CHAINID_COINNAME=\"ETH\" CHAIN_KIND=CHAIN_KIND_ETHEREUM CHAIN_ID=1
+# Starkware integration
+APP_LOAD_PARAMS += --path "2645'/579218131'"
+DEFINES += HAVE_STARKWARE
+DEFINES += STARK_BIP32_PATH_0=0x80000A55 STARK_BIP32_PATH_1=0xA2862AD3
+# Allow to derive ETH 2 public keys
+APP_LOAD_PARAMS += --path "12381/3600" --curve bls12381g1
+DEFINES += HAVE_ETH2
+APPNAME = "Ethereum StarkEx"
+DEFINES_LIB=
+APP_LOAD_FLAGS=--appFlags 0xa40