From b5c81bd41a76e871a128a3ab61fb32f539121c70 Mon Sep 17 00:00:00 2001
From: Jonathan Rainville <rainville.jonathan@gmail.com>
Date: Tue, 23 Jul 2019 11:28:33 -0400
Subject: [PATCH] feat(@embark/pipeline): enable choosing which fields to
 filter out

---
 dapps/templates/boilerplate/config/contracts.js |  2 ++
 dapps/templates/demo/config/contracts.js        |  2 ++
 dapps/templates/simple/contracts.js             |  2 ++
 packages/embark-pipeline/src/index.js           | 16 +++++++++++-----
 4 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/dapps/templates/boilerplate/config/contracts.js b/dapps/templates/boilerplate/config/contracts.js
index dfc93212a..774f89719 100644
--- a/dapps/templates/boilerplate/config/contracts.js
+++ b/dapps/templates/boilerplate/config/contracts.js
@@ -52,7 +52,9 @@ module.exports = {
     //strategy: 'implicit',
 
     // minimalContractSize, when set to true, tells Embark to generate contract files without the heavy bytecodes
+    // Using filteredFields lets you customize which field you want to filter out of the contract file (requires minimalContractSize: true)
     // minimalContractSize: false,
+    // filteredFields: [],
 
     contracts: {
       // example:
diff --git a/dapps/templates/demo/config/contracts.js b/dapps/templates/demo/config/contracts.js
index 3d9228380..c39129762 100644
--- a/dapps/templates/demo/config/contracts.js
+++ b/dapps/templates/demo/config/contracts.js
@@ -52,7 +52,9 @@ module.exports = {
     //strategy: 'implicit',
 
     // minimalContractSize, when set to true, tells Embark to generate contract files without the heavy bytecodes
+    // Using filteredFields lets you customize which field you want to filter out of the contract file (requires minimalContractSize: true)
     // minimalContractSize: false,
+    // filteredFields: [],
 
     contracts: {
       SimpleStorage: {
diff --git a/dapps/templates/simple/contracts.js b/dapps/templates/simple/contracts.js
index 78e7be48c..64b501b89 100644
--- a/dapps/templates/simple/contracts.js
+++ b/dapps/templates/simple/contracts.js
@@ -52,7 +52,9 @@ module.exports = {
     //strategy: 'implicit',
 
     // minimalContractSize, when set to true, tells Embark to generate contract files without the heavy bytecodes
+    // Using filteredFields lets you customize which field you want to filter out of the contract file (requires minimalContractSize: true)
     // minimalContractSize: false,
+    // filteredFields: [],
 
     contracts: {
       // example:
diff --git a/packages/embark-pipeline/src/index.js b/packages/embark-pipeline/src/index.js
index 670d596f8..6c0da6aed 100644
--- a/packages/embark-pipeline/src/index.js
+++ b/packages/embark-pipeline/src/index.js
@@ -343,11 +343,17 @@ class Pipeline {
         async.each(contracts, (contract, eachCb) => {
           if (self.embark.config.contractsConfig.minimalContractSize) {
             contract = Object.assign({}, contract);
-            delete contract.code;
-            delete contract.runtimeBytecode;
-            delete contract.realRuntimeBytecode;
-            delete contract.gasEstimates;
-            delete contract.swarmHash;
+
+            const filteredFields = self.embark.config.contractsConfig.filteredFields || [
+              'code',
+              'runtimeBytecode',
+              'realRuntimeBytecode',
+              'gasEstimates',
+              'swarmHash'
+            ];
+            filteredFields.forEach(filteredField => {
+              delete contract[filteredField];
+            });
           }
           self.fs.writeJson(dappPath(
             self.buildDir,