Add support for .crypto resolution

src/actions/SendFormActions.js

@@ -13,7 +13,13 @@ import * as RippleSendFormActions from './ripple/SendFormActions';
 
 export type SendFormAction =
     | {
-          type: typeof SEND.INIT | typeof SEND.VALIDATION | typeof SEND.CHANGE | typeof SEND.CLEAR,
+          type:
+              | typeof SEND.INIT
+              | typeof SEND.VALIDATION
+              | typeof SEND.CHANGE
+              | typeof SEND.CLEAR
+              | typeof SEND.DOMAIN_RESOLVING
+              | typeof SEND.DOMAIN_COMPLETE,
           networkType: 'ethereum',
           state: EthereumState,
       }

src/actions/constants/dotCrypto.js

@@ -0,0 +1,29 @@
+export const ProxyReader = {
+    address: '0x7ea9Ee21077F84339eDa9C80048ec6db678642B1',
+    abi: [
+        {
+            constant: true,
+            inputs: [
+                { internalType: 'string', name: 'key', type: 'string' },
+                { internalType: 'uint256', name: 'tokenId', type: 'uint256' },
+            ],
+            name: 'get',
+            outputs: [{ internalType: 'string', name: '', type: 'string' }],
+            payable: false,
+            stateMutability: 'view',
+            type: 'function',
+        },
+        {
+            constant: true,
+            inputs: [
+                { internalType: 'string[]', name: 'keys', type: 'string[]' },
+                { internalType: 'uint256', name: 'tokenId', type: 'uint256' },
+            ],
+            name: 'getMany',
+            outputs: [{ internalType: 'string[]', name: '', type: 'string[]' }],
+            payable: false,
+            stateMutability: 'view',
+            type: 'function',
+        },
+    ],
+};

src/actions/constants/send.js

@@ -8,3 +8,5 @@ export const TX_COMPLETE: 'send__tx_complete' = 'send__tx_complete';
 export const TX_ERROR: 'send__tx_error' = 'send__tx_error';
 export const TOGGLE_ADVANCED: 'send__toggle_advanced' = 'send__toggle_advanced';
 export const CLEAR: 'send__clear' = 'send__clear';
+export const DOMAIN_RESOLVING: 'send__domain_resolving' = 'send__domain_resolving';
+export const DOMAIN_COMPLETE: 'send__domain_complete' = 'send__domain_complete';

src/actions/ethereum/BlockchainActions.js

@@ -6,7 +6,8 @@ import * as PENDING from 'actions/constants/pendingTx';
 import * as AccountsActions from 'actions/AccountsActions';
 import * as Web3Actions from 'actions/Web3Actions';
 import { mergeAccount, enhanceTransaction } from 'utils/accountUtils';
-
+import { namehash } from 'utils/ethUtils';
+import * as dotCrypto from 'actions/constants/dotCrypto';
 import type { Dispatch, GetState, PromiseAction, Network } from 'flowtype';
 import type { BlockchainNotification } from 'trezor-connect';
 import type { Token } from 'reducers/TokensReducer';
@@ -143,3 +144,18 @@ export const onError = (network: string): PromiseAction<void> => async (
 ): Promise<void> => {
     dispatch(Web3Actions.disconnect(network));
 };
+
+export const resolveDomain = (domain: string, ticker: string): PromiseAction<void> => async (
+    dispatch: Dispatch
+): Promise<string> => {
+    const instance = await dispatch(Web3Actions.initWeb3('eth'));
+    const ProxyReader = new instance.web3.eth.Contract(
+        dotCrypto.ProxyReader.abi,
+        dotCrypto.ProxyReader.address
+    );
+    const node = namehash(domain);
+    return ProxyReader.methods
+        .get(`crypto.${ticker}.address`, node)
+        .call()
+        .catch(() => '');
+};

src/actions/ethereum/SendFormActions.js

@@ -144,6 +144,9 @@ export const init = (): AsyncAction => async (
             networkType: 'ethereum',
             state: stateFromStorage,
         });
+        if (stateFromStorage.domainResolving) {
+            dispatch(onDomainChange(stateFromStorage.address));
+        }
         return;
     }
 
@@ -233,26 +236,67 @@ export const onClear = (): AsyncAction => async (
     });
 };
 
-/*
- * Called from UI on "address" field change
- */
-export const onAddressChange = (address: string): ThunkAction => (
+export const onDomainChange = (domain: string): AsyncAction => async (
     dispatch: Dispatch,
     getState: GetState
-): void => {
-    const state: State = getState().sendFormEthereum;
+): Promise<void> => {
+    const state = getState().sendFormEthereum;
+
     dispatch({
-        type: SEND.CHANGE,
+        type: SEND.DOMAIN_RESOLVING,
+        networkType: 'ethereum',
+        state: {
+            ...state,
+            address: domain,
+            resolvedDomain: '',
+            domainResolving: true,
+        },
+    });
+
+    const address = await dispatch(BlockchainActions.resolveDomain(domain, 'ETH'));
+    dispatch({
+        type: SEND.DOMAIN_COMPLETE,
         networkType: 'ethereum',
         state: {
             ...state,
             untouched: false,
             touched: { ...state.touched, address: true },
-            address,
+            address: address || domain,
+            resolvedDomain: address ? domain : '',
+            domainResolving: false,
         },
     });
 };
 
+/*
+ * Called from UI on "address" field change
+ */
+export const onAddressChange = (address: string): ThunkAction => (
+    dispatch: Dispatch,
+    getState: GetState
+): void => {
+    const state: State = getState().sendFormEthereum;
+
+    if (state.domainResolving) {
+        return;
+    }
+    if (address.endsWith('.crypto')) {
+        dispatch(onDomainChange(address));
+    } else {
+        dispatch({
+            type: SEND.CHANGE,
+            networkType: 'ethereum',
+            state: {
+                ...state,
+                untouched: false,
+                touched: { ...state.touched, address: true },
+                address,
+                domainResolving: false,
+            },
+        });
+    }
+};
+
 /*
  * Called from UI on "amount" field change
  */

src/actions/ethereum/SendFormValidationActions.js

@@ -81,8 +81,10 @@ export const validation = (): PayloadAction<State> => (
     state.errors = {};
     state.warnings = {};
     state.infos = {};
+
     state = dispatch(recalculateTotalAmount(state));
     state = dispatch(updateCustomFeeLabel(state));
+    state = dispatch(domainResolution(state));
     state = dispatch(addressValidation(state));
     state = dispatch(addressLabel(state));
     state = dispatch(amountValidation(state));
@@ -164,6 +166,32 @@ export const addressValidation = ($state: State): PayloadAction<State> => (): St
     return state;
 };
 
+/*
+ * Domain resolving
+ */
+export const domainResolution = ($state: State): PayloadAction<State> => (): State => {
+    const state = { ...$state };
+
+    if (state.domainResolving) {
+        state.warnings.address = {
+            ...l10nCommonMessages.TR_DOMAIN_RESOLVING,
+            values: {
+                domain: state.address,
+            },
+        };
+    }
+    if (state.resolvedDomain) {
+        state.infos.address = {
+            ...l10nCommonMessages.TR_DOMAIN_COMPLETE,
+            values: {
+                domain: state.resolvedDomain,
+                address: state.address,
+            },
+        };
+    }
+    return state;
+};
+
 /*
  * Address label assignation
  */

src/reducers/SendFormEthereumReducer.js

@@ -42,6 +42,8 @@ export type State = {
     infos: { [k: string]: MessageDescriptor },
 
     sending: boolean,
+    domainResolving: boolean,
+    resolvedDomain: string,
 };
 
 export const initialState: State = {
@@ -74,6 +76,8 @@ export const initialState: State = {
     nonce: '0',
     total: '0',
     sending: false,
+    domainResolving: false,
+    resolvedDomain: '',
     errors: {},
     warnings: {},
     infos: {},
@@ -87,6 +91,8 @@ export default (state: State = initialState, action: Action): State => {
         case SEND.INIT:
         case SEND.CHANGE:
         case SEND.VALIDATION:
+        case SEND.DOMAIN_RESOLVING:
+        case SEND.DOMAIN_COMPLETE:
         case SEND.CLEAR:
             return action.state;
 

src/utils/ethUtils.js

@@ -3,6 +3,16 @@
 import BigNumber from 'bignumber.js';
 import EthereumjsUtil from 'ethereumjs-util';
 
+export const namehash = (domain: string): string => {
+    if (!domain) {
+        return '0x0000000000000000000000000000000000000000000000000000000000000000';
+    }
+    const [label, ...remainder] = domain.split('.');
+    return `0x${EthereumjsUtil.keccak256(
+        namehash(remainder.join('.')) + EthereumjsUtil.keccak256(label).toString('hex')
+    ).toString('hex')}`;
+};
+
 export const decimalToHex = (dec: number): string => new BigNumber(dec).toString(16);
 
 export const padLeftEven = (hex: string): string => (hex.length % 2 !== 0 ? `0${hex}` : hex);

src/views/Wallet/views/Account/Send/ethereum/index.js

@@ -206,13 +206,14 @@ const StyledIcon = styled(Icon)`
 const getAddressInputState = (
     address: string,
     addressErrors: boolean,
-    addressWarnings: boolean
+    addressWarnings: boolean,
+    domainResolving: boolean
 ): ?string => {
     let state = null;
     if (address && !addressErrors) {
         state = 'success';
     }
-    if (addressWarnings && !addressErrors) {
+    if ((addressWarnings && !addressErrors) || domainResolving) {
         state = 'warning';
     }
     if (addressErrors) {
@@ -270,6 +271,7 @@ const AccountSend = (props: Props) => {
         infos,
         sending,
         advanced,
+        domainResolving,
     } = props.sendForm;
 
     const {
@@ -314,6 +316,7 @@ const AccountSend = (props: Props) => {
         amount.length === 0 ||
         address.length === 0 ||
         sending ||
+        domainResolving ||
         account.imported;
 
     let amountText = '';
@@ -348,7 +351,12 @@ const AccountSend = (props: Props) => {
             </Title>
             <InputRow>
                 <Input
-                    state={getAddressInputState(address, !!errors.address, !!warnings.address)}
+                    state={getAddressInputState(
+                        address,
+                        !!errors.address,
+                        !!warnings.address,
+                        domainResolving
+                    )}
                     autoComplete="off"
                     autoCorrect="off"
                     autoCapitalize="off"

src/views/common.messages.js

@@ -31,6 +31,14 @@ const definedMessages: Messages = defineMessages({
             'Looks like it is {deviceLabel} Account #{number} address of {network} network',
         description: 'Example: Looks like it is My Trezor Account #1 address of ETH network',
     },
+    TR_DOMAIN_RESOLVING: {
+        id: 'TR_DOMAIN_RESOLVING',
+        defaultMessage: 'Resolving {domain}...',
+    },
+    TR_DOMAIN_COMPLETE: {
+        id: 'TR_DOMAIN_COMPLETE',
+        defaultMessage: '{domain} resolved to: {address}',
+    },
     TR_IMPORTED_ACCOUNT_HASH: {
         id: 'TR_IMPORTED_ACCOUNT_HASH',
         defaultMessage: 'Imported account #{number}',