Call Function API

embark-ui/src/components/ContractFunctions.js

@@ -18,7 +18,7 @@ const ContractFunction = ({method}) => (
         {method.inputs.length > 0 &&
           <Card.Body>
             {method.inputs.map(input => (
-              <Form.Group label={input.name}>
+              <Form.Group key={input.name} label={input.name}>
                 <Form.Input placeholder={input.type}/>
               </Form.Group>
             ))}
@@ -32,11 +32,15 @@ const ContractFunction = ({method}) => (
   </Grid.Row>
 );
 
+ContractFunction.propTypes = {
+  method: PropTypes.object
+};
+
 const ContractFunctions = ({contractProfile}) => (
   <Page.Content title={contractProfile.name + ' Functions'}>
     {contractProfile.methods
       .filter(method => method.name !== 'constructor')
-      .map(method => <ContractFunction method={method} />)}
+      .map(method => <ContractFunction key={method.name} method={method} />)}
   </Page.Content>
 );
 

embark-ui/src/containers/ContractContainer.js

@@ -26,6 +26,7 @@ function mapStateToProps(state, props) {
 }
 
 ContractContainer.propTypes = {
+  match: PropTypes.object,
   contract: PropTypes.object,
   error: PropTypes.string
 };

embark-ui/src/containers/ContractsContainer.js

@@ -27,7 +27,7 @@ function mapStateToProps(state) {
 
 ContractsContainer.propTypes = {
   contracts: PropTypes.array,
-  fetchContracts: PropTypes.func,
+  fetchContracts: PropTypes.func
 };
 
 export default connect(

lib/modules/contracts_manager/index.js

@@ -1,3 +1,4 @@
+/*global web3*/
 let toposort = require('toposort');
 let async = require('async');
 const cloneDeep = require('clone-deep');
@@ -91,6 +92,36 @@ class ContractsManager {
       }
     );
 
+    plugin.registerAPICall(
+      'get',
+      '/embark-api/contract/:contractName/function',
+      (req, res) => {
+        async.parallel({
+          contract: (callback) => {
+            self.events.request('contracts:contract', req.params.contractName, (contract) => callback(null, contract));
+          },
+          account: (callback) => {
+            self.events.request("blockchain:defaultAccount:get", (account) => callback(null, account));
+          }
+        }, function (err, result) {
+          if (err) {
+            return res.send({error: err.message});
+          }
+          const {account, contract} = result;
+          const contractObj = new web3.eth.Contract(contract.abiDefinition, contract.deployedAddress);
+          const abi = contract.abiDefinition.find(definition => definition.name === req.query.method);
+          const funcCall = (abi.constant === true || abi.stateMutability === 'view' || abi.stateMutability === 'pure') ? 'call' : 'send';
+          contractObj.methods[req.query.method].apply(this, req.query.inputs)[funcCall]({from: account}, (err, result) => {
+            if (err) {
+              return res.send({error: err.message});
+            }
+
+            res.send({result: result});
+          });
+        });
+      }
+    );
+
     plugin.registerAPICall(
       'get',
       '/embark-api/contracts',
@@ -215,7 +246,10 @@ class ContractsManager {
           }
 
           if (parentContract === undefined) {
-            self.logger.error(__("{{className}}: couldn't find instanceOf contract {{parentContractName}}", {className: className, parentContractName: parentContractName}));
+            self.logger.error(__("{{className}}: couldn't find instanceOf contract {{parentContractName}}", {
+              className: className,
+              parentContractName: parentContractName
+            }));
             let suggestion = utils.proposeAlternative(parentContractName, dictionary, [className, parentContractName]);
             if (suggestion) {
               self.logger.warn(__('did you mean "%s"?', suggestion));
@@ -228,7 +262,10 @@ class ContractsManager {
           }
 
           if (contract.code !== undefined) {
-            self.logger.error(__("{{className}} has code associated to it but it's configured as an instanceOf {{parentContractName}}", {className: className, parentContractName: parentContractName}));
+            self.logger.error(__("{{className}} has code associated to it but it's configured as an instanceOf {{parentContractName}}", {
+              className: className,
+              parentContractName: parentContractName
+            }));
           }
 
           contract.code = parentContract.code;
@@ -274,8 +311,8 @@ class ContractsManager {
           // look in code for dependencies
           let libMatches = (contract.code.match(/:(.*?)(?=_)/g) || []);
           for (let match of libMatches) {
-              self.contractDependencies[className] = self.contractDependencies[className] || [];
-              self.contractDependencies[className].push(match.substr(1));
+            self.contractDependencies[className] = self.contractDependencies[className] || [];
+            self.contractDependencies[className].push(match.substr(1));
           }
 
           // look in arguments for dependencies
@@ -375,7 +412,7 @@ class ContractsManager {
         self.events.emit("status", __("Compile/Build error"));
         self.events.emit("outputError", __("Error building Dapp, please check console"));
         self.logger.error(__("Error Compiling/Building contracts: ") + err);
-      }else{
+      } else {
         self.compileError = false;
       }
       self.logger.trace("finished".underline);
@@ -415,8 +452,8 @@ class ContractsManager {
     let orderedDependencies;
 
     try {
-      orderedDependencies =  toposort(converted_dependencies.filter((x) => x[0] !== x[1])).reverse();
-    } catch(e) {
+      orderedDependencies = toposort(converted_dependencies.filter((x) => x[0] !== x[1])).reverse();
+    } catch (e) {
       this.logger.error((__("Error: ") + e.message).red);
       this.logger.error(__("there are two or more contracts that depend on each other in a cyclic manner").bold.red);
       this.logger.error(__("Embark couldn't determine which one to deploy first").red);