From 13299158d1e22d1af1cd36434fc403a74743ecb1 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Sun, 4 Mar 2018 19:05:26 -0800
Subject: Add sol-cover implementation

---
 packages/sol-cov/src/collect_contract_data.ts | 40 +++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 packages/sol-cov/src/collect_contract_data.ts

(limited to 'packages/sol-cov/src/collect_contract_data.ts')

diff --git a/packages/sol-cov/src/collect_contract_data.ts b/packages/sol-cov/src/collect_contract_data.ts
new file mode 100644
index 000000000..dffccce2f
--- /dev/null
+++ b/packages/sol-cov/src/collect_contract_data.ts
@@ -0,0 +1,40 @@
+import * as fs from 'fs';
+import * as glob from 'glob';
+import * as _ from 'lodash';
+import * as path from 'path';
+
+import { ContractData } from './types';
+
+export const collectContractsData = (artifactsPath: string, sourcesPath: string, networkId: number) => {
+    const sourcesGlob = `${sourcesPath}/**/*.sol`;
+    const sourceFileNames = glob.sync(sourcesGlob, { absolute: true });
+    const contractsDataIfExists: Array<ContractData | {}> = _.map(sourceFileNames, sourceFileName => {
+        const baseName = path.basename(sourceFileName, '.sol');
+        const artifactFileName = path.join(artifactsPath, `${baseName}.json`);
+        if (!fs.existsSync(artifactFileName)) {
+            // If the contract isn't directly compiled, but is imported as the part of the other contract - we don't have an artifact for it and therefore can't do anything usefull with it
+            return {};
+        }
+        const artifact = JSON.parse(fs.readFileSync(artifactFileName).toString());
+        const sources = _.map(artifact.networks[networkId].sources, source => {
+            const includedFileName = glob.sync(`${sourcesPath}/**/${source}`, { absolute: true })[0];
+            return includedFileName;
+        });
+        const sourceCodes = _.map(sources, source => {
+            const includedSourceCode = fs.readFileSync(source).toString();
+            return includedSourceCode;
+        });
+        const contractData = {
+            baseName,
+            sourceCodes,
+            sources,
+            sourceMap: artifact.networks[networkId].source_map,
+            sourceMapRuntime: artifact.networks[networkId].source_map_runtime,
+            runtimeBytecode: artifact.networks[networkId].runtime_bytecode,
+            bytecode: artifact.networks[networkId].bytecode,
+        };
+        return contractData;
+    });
+    const contractsData = _.filter(contractsDataIfExists, contractData => !_.isEmpty(contractData)) as ContractData[];
+    return contractsData;
+};
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