Make sure correct purpose and cointype are used (#60)

* Fix .gitignore

Signed-off-by: Julian Strobl <jmastr@mailbox.org>

* [test] Make sure correct Purpose and CoinType are used

Signed-off-by: Julian Strobl <jmastr@mailbox.org>

---------

Signed-off-by: Julian Strobl <jmastr@mailbox.org>

.gitignore

@@ -6,4 +6,4 @@ release/
 .DS_Store
 vendor/
 tags
-planetmint-god
+/planetmint-god

cmd/planetmint-god/cmd/config.go

@@ -6,7 +6,7 @@ import (
 	"planetmint-go/app"
 )
 
-func initSDKConfig() {
+func initSDKConfig() *sdk.Config {
 	// Set prefixes
 	accountPubKeyPrefix := app.AccountAddressPrefix + "pub"
 	validatorAddressPrefix := app.AccountAddressPrefix + "valoper"
@@ -22,4 +22,5 @@ func initSDKConfig() {
 	// Set to PLMNT coin type as defined in SLIP44 (https://github.com/satoshilabs/slips/blob/master/slip-0044.md)
 	config.SetCoinType(8680)
 	config.Seal()
+	return config
 }

cmd/planetmint-god/cmd/config_test.go

@@ -0,0 +1,18 @@
+package cmd
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestDerivationPath makes sure that purpose and cointype are set to PLMNT (see https://github.com/satoshilabs/slips/blob/master/slip-0044.md)
+func TestDerivationPath(t *testing.T) {
+	sdkConfig := initSDKConfig()
+
+	purpose := uint32(44)
+	assert.Equal(t, purpose, sdkConfig.GetPurpose())
+
+	coinType := uint32(8680)
+	assert.Equal(t, coinType, sdkConfig.GetCoinType())
+}