Transaction receipt contractAddress injection

modules/ipc/methods/base.js

@@ -31,7 +31,7 @@ module.exports = class BaseProcessor {
 
         const ret = await conn.socket.send(payload, {
             fullResult: true,
-        })
+        });
 
         return ret.result;
     }

modules/ipc/methods/eth_getTransactionReceipt.js

@@ -0,0 +1,60 @@
+const _ = global._;
+const BaseProcessor = require('./base');
+const eth = require('ethereumjs-util');
+
+/**
+ * Process method: eth_getTransactionReceipt
+ */
+
+module.exports = class extends BaseProcessor {
+
+    sanitizeRequestPayload(conn, payload, isPartOfABatch) {
+        return super.sanitizeRequestPayload(conn, payload, isPartOfABatch);
+    }
+
+    async exec(conn, payload) {
+        const txHash = payload.params[0];
+
+        // Sends regular eth_getTransactionReceipt request
+        const ret = await conn.socket.send(payload, {
+            fullResult: true
+        });
+
+        // If that contains a contractAddress already, fine.
+        if (ret.result.result.contractAddress != null) {
+            return ret.result;
+        }
+
+        // Due to a geth's light client v1 bug, it does not return
+        // contractAddress value on the receipts. Let's fix that.
+        // 1. GET TRANSACTION from AND nonce VALUES
+        const transactionInfo = await conn.socket.send({
+            jsonrpc: '2.0',
+            id: _.uuid(),
+            method: 'eth_getTransactionByHash',
+            params: [txHash]
+        }, { fullResult: true });
+
+
+        const fromAddress = transactionInfo.result.result.from;
+        const nonce = parseInt(transactionInfo.result.result.nonce, 16);
+        const possibleContractAddress = `0x${eth.generateAddress(fromAddress, nonce).toString('hex')}`;
+
+
+        // 2. GET CODE FROM ADDRESS
+        const contractCode = await conn.socket.send({
+            jsonrpc: '2.0',
+            id: _.uuid(),
+            method: 'eth_getCode',
+            params: [possibleContractAddress, 'latest']
+        }, { fullResult: true });
+        const contractCodeResult = contractCode.result.result;
+
+        // 3. IF IT EXISTS, ASSIGN TO RETURN VALUE
+        if (contractCodeResult && contractCodeResult.length > 2) {
+            ret.result.result.contractAddress = possibleContractAddress;
+        }
+
+        return ret.result;
+    }
+};

package.json

@@ -22,6 +22,7 @@
     "ethereum-client-binaries": "^1.6.1",
     "ethereum-keyfile-recognizer": "^1.0.2",
     "ethereumjs-abi": "^0.6.3",
+    "ethereumjs-util": "^5.1.2",
     "fs-promise": "^2.0.0",
     "got": "^6.7.1",
     "i18next": "^7.1.3",