Added generic error for zero fees on bitcoinkind currencies

src/bridge/LibcoreBridge.js

@@ -103,17 +103,19 @@ const getFees = async (a, transaction) => {
 const checkValidTransaction = (a, t) =>
   !t.feePerByte
     ? Promise.reject(new FeeNotLoaded())
-    : !t.amount
-      ? Promise.resolve(true)
-      : getFees(a, t)
-          .then(() => true)
-          .catch(e => {
-            if (e.code === NOT_ENOUGH_FUNDS) {
-              throw new NotEnoughBalance()
-            }
-            feesLRU.del(getFeesKey(a, t))
-            throw e
-          })
+    : t.feePerByte.eq(0)
+      ? Promise.resolve(false)
+      : !t.amount
+        ? Promise.resolve(true)
+        : getFees(a, t)
+            .then(() => true)
+            .catch(e => {
+              if (e.code === NOT_ENOUGH_FUNDS) {
+                throw new NotEnoughBalance()
+              }
+              feesLRU.del(getFeesKey(a, t))
+              throw e
+            })
 
 const LibcoreBridge: WalletBridge<Transaction> = {
   scanAccountsOnDevice(currency, devicePath) {

src/components/FeesField/BitcoinKind.js

@@ -147,7 +147,13 @@ class FeesField extends Component<OwnProps, State> {
           onChange={onChange}
           onChangeFocus={this.onChangeFocus}
           loading={!feePerByte && !error}
-          error={!feePerByte && error ? new FeeNotLoaded() : null}
+          error={
+            !feePerByte && error
+              ? new FeeNotLoaded()
+              : feePerByte && feePerByte.isZero()
+                ? new Error(t('errors.FeesAreRequired.title'))
+                : null
+          }
           renderRight={
             <InputRight>{t('send.steps.amount.unitPerByte', { unit: satoshi.code })}</InputRight>
           }

static/i18n/en/app.json

@@ -738,6 +738,9 @@
       "title": "{{message}}",
       "description": "Something went wrong. Please retry or contact us."
     },
+    "FeesAreRequired": {
+      "title": "Fees are required"
+    },
     "AccountNameRequired": {
       "title": "An account name is required",
       "description": "Please provide an account name"

yarn.lock

@@ -13495,17 +13495,7 @@ react-treebeard@^2.1.0:
     shallowequal "^0.2.2"
     velocity-react "^1.3.1"
 
-react@*, react@^16.2.0:
-  version "16.6.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.6.1.tgz#ee2aef4f0a09e494594882029821049772f915fe"
-  integrity sha512-OtawJThYlvRgm9BXK+xTL7BIlDx8vv21j+fbQDjRRUyok6y7NyjlweGorielTahLZHYIdKUoK2Dp9ByVWuMqxw==
-  dependencies:
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-    prop-types "^15.6.2"
-    scheduler "^0.11.0"
-
-react@^16.6.3:
+react@*, react@^16.2.0, react@^16.6.3:
   version "16.6.3"
   resolved "https://registry.yarnpkg.com/react/-/react-16.6.3.tgz#25d77c91911d6bbdd23db41e70fb094cc1e0871c"
   integrity sha512-zCvmH2vbEolgKxtqXL2wmGCUxUyNheYn/C+PD1YAjfxHC54+MhdruyhO7QieQrYsYeTxrn93PM2y0jRH1zEExw==
@@ -14424,14 +14414,6 @@ sax@^1.2.4, sax@~1.2.1, sax@~1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-scheduler@^0.11.0:
-  version "0.11.0"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.11.0.tgz#def1f1bfa6550cc57981a87106e65e8aea41a6b5"
-  integrity sha512-MAYbBfmiEHxF0W+c4CxMpEqMYK+rYF584VP/qMKSiHM6lTkBKKYOJaDiSILpJHla6hBOsVd6GucPL46o2Uq3sg==
-  dependencies:
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-
 scheduler@^0.11.2:
   version "0.11.3"
   resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.11.3.tgz#b5769b90cf8b1464f3f3cfcafe8e3cd7555a2d6b"