Fix Issue 1448

Renaming checkCanBeSpent to checkValidTransaction, dropping isValidTransaction

Added the isZero check from the removed method, removed the dead code from bridges

src/bridge/EthereumJSBridge.js

@@ -420,15 +420,13 @@ const EthereumBridge: WalletBridge<Transaction> = {
 
   getTransactionRecipient: (a, t) => t.recipient,
 
-  isValidTransaction: (a, t) => (!t.amount.isZero() && t.recipient && true) || false,
-
   EditFees,
 
   EditAdvancedOptions,
 
-  checkCanBeSpent: (a, t) =>
+  checkValidTransaction: (a, t) =>
     t.amount.isLessThanOrEqualTo(a.balance)
-      ? Promise.resolve()
+      ? Promise.resolve(true)
       : Promise.reject(new NotEnoughBalance()),
 
   getTotalSpent: (a, t) =>

src/bridge/LibcoreBridge.js

@@ -95,11 +95,11 @@ const getFees = async (a, transaction) => {
   return promise
 }
 
-const checkCanBeSpent = (a, t) =>
+const checkValidTransaction = (a, t) =>
   !t.amount
-    ? Promise.resolve()
+    ? Promise.resolve(true)
     : getFees(a, t)
-        .then(() => {})
+        .then(() => true)
         .catch(e => {
           if (e.code === NOT_ENOUGH_FUNDS) {
             throw new NotEnoughBalance()
@@ -192,9 +192,7 @@ const LibcoreBridge: WalletBridge<Transaction> = {
 
   // EditAdvancedOptions,
 
-  isValidTransaction: (a, t) => (!t.amount.isZero() && t.recipient && true) || false,
-
-  checkCanBeSpent,
+  checkValidTransaction,
 
   getTotalSpent: (a, t) =>
     t.amount.isZero()

src/bridge/RippleJSBridge.js

@@ -474,9 +474,7 @@ const RippleJSBridge: WalletBridge<Transaction> = {
 
   getTransactionRecipient: (a, t) => t.recipient,
 
-  isValidTransaction: (a, t) => (!t.amount.isZero() && t.recipient && true) || false,
-
-  checkCanBeSpent: async (a, t) => {
+  checkValidTransaction: async (a, t) => {
     const r = await getServerInfo(a.endpointConfig)
     if (
       t.amount
@@ -484,7 +482,7 @@ const RippleJSBridge: WalletBridge<Transaction> = {
         .plus(parseAPIValue(r.validatedLedger.reserveBaseXRP))
         .isLessThanOrEqualTo(a.balance)
     ) {
-      return
+      return true
     }
     throw new NotEnoughBalance()
   },

src/bridge/UnsupportedBridge.js

@@ -27,13 +27,11 @@ const UnsupportedBridge: WalletBridge<*> = {
 
   getTransactionAmount: () => BigNumber(0),
 
-  isValidTransaction: () => false,
-
   editTransactionRecipient: () => null,
 
   getTransactionRecipient: () => '',
 
-  checkCanBeSpent: () => Promise.resolve(),
+  checkValidTransaction: () => Promise.resolve(false),
 
   getTotalSpent: () => Promise.resolve(BigNumber(0)),
 

src/bridge/makeMockBridge.js

@@ -18,7 +18,7 @@ const defaultOpts = {
   scanAccountDeviceSuccessRate: 0.8,
   transactionsSizeTarget: 100,
   extraInitialTransactionProps: () => null,
-  checkCanBeSpent: () => Promise.resolve(),
+  checkValidTransaction: () => Promise.resolve(),
   getTotalSpent: (a, t) => Promise.resolve(t.amount),
   getMaxAmount: a => Promise.resolve(a.balance),
 }
@@ -36,7 +36,7 @@ function makeMockBridge(opts?: Opts): WalletBridge<*> {
     extraInitialTransactionProps,
     getTotalSpent,
     getMaxAmount,
-    checkCanBeSpent,
+    checkValidTransaction,
   } = {
     ...defaultOpts,
     ...opts,
@@ -155,9 +155,7 @@ function makeMockBridge(opts?: Opts): WalletBridge<*> {
 
     EditAdvancedOptions,
 
-    isValidTransaction: (a, t) => (t.amount > 0 && t.recipient && true) || false,
-
-    checkCanBeSpent,
+    checkValidTransaction,
 
     getTotalSpent,
 

src/bridge/types.js

@@ -76,15 +76,16 @@ export interface WalletBridge<Transaction> {
 
   getTransactionRecipient(account: Account, transaction: Transaction): string;
 
-  isValidTransaction(account: Account, transaction: Transaction): boolean;
-
   // render the whole Fees section of the form
   EditFees?: *; // React$ComponentType<EditProps<Transaction>>;
 
   // render the whole advanced part of the form
   EditAdvancedOptions?: *; // React$ComponentType<EditProps<Transaction>>;
 
-  checkCanBeSpent(account: Account, transaction: Transaction): Promise<void>;
+  // validate the transaction and all currency specific validations here, we can return false
+  // to disable the button without throwing an error if we are handling the error on a different
+  // input or throw an error that will highlight the issue on the amount field
+  checkValidTransaction(account: Account, transaction: Transaction): Promise<boolean>;
 
   getTotalSpent(account: Account, transaction: Transaction): Promise<BigNumber>;
 

src/components/RequestAmount/index.js

@@ -48,7 +48,7 @@ type OwnProps = {
   // left value (always the one which is returned)
   value: BigNumber,
 
-  canBeSpentError: ?Error,
+  validTransactionError: ?Error,
 
   // max left value
   max: BigNumber,
@@ -113,7 +113,7 @@ const mapStateToProps = (state: State, props: OwnProps) => {
 export class RequestAmount extends PureComponent<Props> {
   static defaultProps = {
     max: BigNumber(Infinity),
-    canBeSpent: true,
+    validTransaction: true,
     withMax: true,
   }
 
@@ -139,14 +139,14 @@ export class RequestAmount extends PureComponent<Props> {
 
   renderInputs(containerProps: Object) {
     // TODO move this inlined into render() for less spaghetti
-    const { value, account, rightCurrency, getCounterValue, canBeSpentError } = this.props
+    const { value, account, rightCurrency, getCounterValue, validTransactionError } = this.props
     const right = getCounterValue(value) || BigNumber(0)
     const rightUnit = rightCurrency.units[0]
     // FIXME: no way InputCurrency pure can work here. inlined InputRight (should be static func?), inline containerProps object..
     return (
       <Box horizontal grow shrink>
         <InputCurrency
-          error={canBeSpentError}
+          error={validTransactionError}
           containerProps={containerProps}
           defaultUnit={account.unit}
           value={value}

src/components/modals/Send/fields/AmountField.js

@@ -4,9 +4,9 @@ import Box from 'components/base/Box'
 import Label from 'components/base/Label'
 import RequestAmount from 'components/RequestAmount'
 
-class AmountField extends Component<*, { canBeSpentError: ?Error }> {
+class AmountField extends Component<*, { validTransactionError: ?Error }> {
   state = {
-    canBeSpentError: null,
+    validTransactionError: null,
   }
   componentDidMount() {
     this.resync()
@@ -27,11 +27,11 @@ class AmountField extends Component<*, { canBeSpentError: ?Error }> {
     const { account, bridge, transaction } = this.props
     const syncId = ++this.syncId
     try {
-      await bridge.checkCanBeSpent(account, transaction)
+      await bridge.checkValidTransaction(account, transaction)
       if (this.syncId !== syncId) return
-      this.setState({ canBeSpentError: null })
-    } catch (canBeSpentError) {
-      this.setState({ canBeSpentError })
+      this.setState({ validTransactionError: null })
+    } catch (validTransactionError) {
+      this.setState({ validTransactionError })
     }
   }
 
@@ -42,14 +42,14 @@ class AmountField extends Component<*, { canBeSpentError: ?Error }> {
 
   render() {
     const { bridge, account, transaction, t } = this.props
-    const { canBeSpentError } = this.state
+    const { validTransactionError } = this.state
     return (
       <Box flow={1}>
         <Label>{t('app:send.steps.amount.amount')}</Label>
         <RequestAmount
           withMax={false}
           account={account}
-          canBeSpentError={canBeSpentError}
+          validTransactionError={validTransactionError}
           onChange={this.onChange}
           value={bridge.getTransactionAmount(account, transaction)}
         />

src/components/modals/Send/steps/01-step-amount.js

@@ -134,11 +134,13 @@ export class StepAmountFooter extends PureComponent<
         bridge.getTransactionRecipient(account, transaction),
       )
       if (syncId !== this.syncId) return
-      const canBeSpent = await bridge
-        .checkCanBeSpent(account, transaction)
-        .then(() => true, () => false)
+      const isValidTransaction = await bridge
+        .checkValidTransaction(account, transaction)
+        .then(result => result, () => false)
+
       if (syncId !== this.syncId) return
-      const canNext = isRecipientValid && canBeSpent && totalSpent.gt(0)
+      const canNext =
+        !transaction.amount.isZero() && isRecipientValid && isValidTransaction && totalSpent.gt(0)
       this.setState({ totalSpent, canNext, isSyncing: false })
     } catch (err) {
       logger.critical(err)