From bbd2b06b525ffdb633c447b349a6f3c0122644a5 Mon Sep 17 00:00:00 2001
From: Michael Ira Krufky <mkrufky@gmail.com>
Date: Fri, 10 Aug 2018 14:54:56 -0400
Subject: [PATCH] Add support for EtherGem (EGEM) (#1)

* Add support for EtherGem (EGEM)

* Add graphic assets for EtherGem (EGEM)

EIP-155 is now properly working with EtherGem!! Tested personally on the Ledger Nano S

homepage : https://egem.io
block explorer : https://explorer.egem.io
network statistics : https://network.egem.io
slip0044 index : 1987
chainId : 1987
---
 Makefile                        |   8 ++++++--
 blue_app_ethergem.gif           | Bin 0 -> 1565 bytes
 ethergem.png                    | Bin 0 -> 4870 bytes
 glyphs/blue_badge_ethergem.gif  | Bin 0 -> 1129 bytes
 glyphs/nanos_badge_ethergem.gif | Bin 0 -> 71 bytes
 nanos_app_ethergem.gif          | Bin 0 -> 64 bytes
 src_genericwallet/chainConfig.h |   3 ++-
 src_genericwallet/main.c        |   6 ++++++
 src_genericwallet/tokens.c      |   2 ++
 src_genericwallet/tokens.h      |   2 ++
 10 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100644 blue_app_ethergem.gif
 create mode 100644 ethergem.png
 create mode 100644 glyphs/blue_badge_ethergem.gif
 create mode 100644 glyphs/nanos_badge_ethergem.gif
 create mode 100644 nanos_app_ethergem.gif

diff --git a/Makefile b/Makefile
index c8811fa..a7805a0 100755
--- a/Makefile
+++ b/Makefile
@@ -102,9 +102,13 @@ else ifeq ($(CHAIN),callisto)
 APP_LOAD_PARAMS += --path "44'/820'"
 DEFINES += CHAINID_UPCASE=\"CALLISTO\" CHAINID_COINNAME=\"CLO\" CHAIN_KIND=CHAIN_KIND_CALLISTO CHAIN_ID=820
 APPNAME = "Callisto"
+else ifeq ($(CHAIN),ethergem)
+APP_LOAD_PARAMS += --path "44'/1987'"
+DEFINES += CHAINID_UPCASE=\"ETHERGEM\" CHAINID_COINNAME=\"EGEM\" CHAIN_KIND=CHAIN_KIND_ETHERGEM CHAIN_ID=1987
+APPNAME = "EtherGem"
 else
 ifeq ($(filter clean,$(MAKECMDGOALS)),)
-$(error Unsupported CHAIN - use ethereum, ethereum_classic, expanse, poa, rsk, rsk_testnet, ubiq, wanchain, kusd, musicoin, callisto, ethersocial, ellaism, pirl, akroma, ether1)
+$(error Unsupported CHAIN - use ethereum, ethereum_classic, expanse, poa, rsk, rsk_testnet, ubiq, wanchain, kusd, musicoin, callisto, ethersocial, ellaism, pirl, akroma, ether1, ethergem)
 endif
 endif
 
@@ -196,4 +200,4 @@ include $(BOLOS_SDK)/Makefile.rules
 dep/%.d: %.c Makefile.genericwallet
 
 listvariants:
-	@echo VARIANTS CHAIN ethereum ethereum_classic expanse poa rsk rsk_testnet ubiq wanchain kusd #musicoin callisto ethersocial ellaism pirl akroma ether1
+	@echo VARIANTS CHAIN ethereum ethereum_classic expanse poa rsk rsk_testnet ubiq wanchain kusd #musicoin callisto ethersocial ellaism pirl akroma ether1 ethergem
diff --git a/blue_app_ethergem.gif b/blue_app_ethergem.gif
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diff --git a/glyphs/nanos_badge_ethergem.gif b/glyphs/nanos_badge_ethergem.gif
new file mode 100644
index 0000000000000000000000000000000000000000..19b762159ed8a1f0e6de4702544fd1672654696c
GIT binary patch
literal 71
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literal 0
HcmV?d00001

diff --git a/nanos_app_ethergem.gif b/nanos_app_ethergem.gif
new file mode 100644
index 0000000000000000000000000000000000000000..b4daf58001c3ba5d641b0b6c820957313a4241fb
GIT binary patch
literal 64
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diff --git a/src_genericwallet/chainConfig.h b/src_genericwallet/chainConfig.h
index de49fcc..f0c717b 100644
--- a/src_genericwallet/chainConfig.h
+++ b/src_genericwallet/chainConfig.h
@@ -19,7 +19,8 @@ typedef enum chain_kind_e {
 	CHAIN_KIND_CALLISTO,
 	CHAIN_KIND_ETHERSOCIAL,
 	CHAIN_KIND_ELLAISM,
-	CHAIN_KIND_ETHER1
+	CHAIN_KIND_ETHER1,
+	CHAIN_KIND_ETHERGEM
 } chain_kind_t;
 
 typedef struct chain_config_s {
diff --git a/src_genericwallet/main.c b/src_genericwallet/main.c
index 90b6ef3..cbf82ac 100644
--- a/src_genericwallet/main.c
+++ b/src_genericwallet/main.c
@@ -1555,6 +1555,9 @@ tokenDefinition_t* getKnownToken() {
         case CHAIN_KIND_ETHER1:
             numTokens = NUM_TOKENS_ETHER1;
             break;
+        case CHAIN_KIND_ETHERGEM:
+            numTokens = NUM_TOKENS_ETHERGEM;
+            break;
     }
     for (i=0; i<numTokens; i++) {            
         switch(chainConfig->kind) {
@@ -1603,6 +1606,9 @@ tokenDefinition_t* getKnownToken() {
             case CHAIN_KIND_ETHER1:
                 currentToken = PIC(&TOKENS_ETHER1[i]);
                 break;
+            case CHAIN_KIND_ETHERGEM:
+                currentToken = PIC(&TOKENS_ETHERGEM[i]);
+                break;
         } 
         if (os_memcmp(currentToken->address, tmpContent.txContent.destination, 20) == 0) {
             return currentToken;
diff --git a/src_genericwallet/tokens.c b/src_genericwallet/tokens.c
index 9c105c1..bc838c0 100644
--- a/src_genericwallet/tokens.c
+++ b/src_genericwallet/tokens.c
@@ -733,3 +733,5 @@ const tokenDefinition_t const TOKENS_KUSD[NUM_TOKENS_KUSD] = {};
 const tokenDefinition_t const TOKENS_MUSICOIN[NUM_TOKENS_MUSICOIN] = {};
 
 const tokenDefinition_t const TOKENS_CALLISTO[NUM_TOKENS_CALLISTO] = {};
+
+const tokenDefinition_t const TOKENS_ETHERGEM[NUM_TOKENS_ETHERGEM] = {};
diff --git a/src_genericwallet/tokens.h b/src_genericwallet/tokens.h
index 443c4f7..9f59dbc 100644
--- a/src_genericwallet/tokens.h
+++ b/src_genericwallet/tokens.h
@@ -38,6 +38,7 @@ typedef struct tokenDefinition_t {
 #define NUM_TOKENS_KUSD 0
 #define NUM_TOKENS_MUSICOIN 0
 #define NUM_TOKENS_CALLISTO 0
+#define NUM_TOKENS_ETHERGEM 0
 
 extern tokenDefinition_t const TOKENS_AKROMA[NUM_TOKENS_AKROMA];
 extern tokenDefinition_t const TOKENS_ELLAISM[NUM_TOKENS_ELLAISM];
@@ -54,3 +55,4 @@ extern tokenDefinition_t const TOKENS_WANCHAIN[NUM_TOKENS_WANCHAIN];
 extern tokenDefinition_t const TOKENS_KUSD[NUM_TOKENS_KUSD];
 extern tokenDefinition_t const TOKENS_MUSICOIN[NUM_TOKENS_MUSICOIN];
 extern tokenDefinition_t const TOKENS_CALLISTO[NUM_TOKENS_CALLISTO];
+extern tokenDefinition_t const TOKENS_ETHERGEM[NUM_TOKENS_ETHERGEM];