Work around mismatch for QR checksum (#5374)

* Work around current native-signer encoding

* Avoid trying to use non-existant util function.

js/src/i18n/zh/writeContract.js

@@ -37,7 +37,7 @@ export default {
     params: `An error occurred with the following description`
   },
   input: {
-    abi: `ABI Interface`,
+    abi: `ABI Definition`,
     code: `Bytecode`,
     metadata: `Metadata`,
     swarm: `Swarm Metadata Hash`

js/src/modals/CreateAccount/store.js

@@ -96,6 +96,7 @@ export default class Store {
   }
 
   @computed get qrAddressValid () {
+    console.log('qrValid', this.qrAddress, this._api.util.isAddressValid(this.qrAddress));
     return this._api.util.isAddressValid(this.qrAddress);
   }
 
@@ -155,7 +156,10 @@ export default class Store {
       qrAddress = `0x${qrAddress}`;
     }
 
-    this.qrAddress = qrAddress;
+    // FIXME: Current native signer encoding is not 100% for EIP-55, lowercase for now
+    this.qrAddress = this._api.util
+        ? this._api.util.toChecksumAddress(qrAddress.toLowerCase())
+        : qrAddress;
   }
 
   @action setVaultName = (vaultName) => {

js/src/views/WriteContract/writeContract.js

@@ -608,7 +608,7 @@ class WriteContract extends Component {
           label={
             <FormattedMessage
               id='writeContract.input.abi'
-              defaultMessage='ABI Interface'
+              defaultMessage='ABI Definition'
             />
           }
           readOnly