Implement new artifacts format

3 files changed, 33 insertions, 5 deletions

diff --git a/packages/sol-resolver/src/index.ts b/packages/sol-resolver/src/index.ts
index cd6ec42ec..a86053259 100644
--- a/packages/sol-resolver/src/index.ts
+++ b/packages/sol-resolver/src/index.ts
@@ -3,6 +3,7 @@ export { FallthroughResolver } from './resolvers/fallthrough_resolver';
 export { URLResolver } from './resolvers/url_resolver';
 export { NPMResolver } from './resolvers/npm_resolver';
 export { FSResolver } from './resolvers/fs_resolver';
+export { RelativeFSResolver } from './resolvers/relative_fs_resolver';
 export { NameResolver } from './resolvers/name_resolver';
 export { EnumerableResolver } from './resolvers/enumerable_resolver';
 export { Resolver } from './resolvers/resolver';
diff --git a/packages/sol-resolver/src/resolvers/name_resolver.ts b/packages/sol-resolver/src/resolvers/name_resolver.ts
index 6849b7610..a0bedab98 100644
--- a/packages/sol-resolver/src/resolvers/name_resolver.ts
+++ b/packages/sol-resolver/src/resolvers/name_resolver.ts
@@ -18,7 +18,7 @@ export class NameResolver extends EnumerableResolver {
         const onFile = (filePath: string) => {
             const contractName = path.basename(filePath, SOLIDITY_FILE_EXTENSION);
             if (contractName === lookupContractName) {
-                const source = fs.readFileSync(filePath).toString();
+                const source = fs.readFileSync(path.join(this._contractsDir, filePath)).toString();
                 contractSource = {
                     source,
                     path: filePath,
@@ -35,7 +35,7 @@ export class NameResolver extends EnumerableResolver {
         const contractSources: ContractSource[] = [];
         const onFile = (filePath: string) => {
             const contractName = path.basename(filePath, SOLIDITY_FILE_EXTENSION);
-            const source = fs.readFileSync(filePath).toString();
+            const source = fs.readFileSync(path.join(this._contractsDir, filePath)).toString();
             const contractSource = {
                 source,
                 path: filePath,
@@ -54,9 +54,10 @@ export class NameResolver extends EnumerableResolver {
             throw new Error(`No directory found at ${dirPath}`);
         }
         for (const fileName of dirContents) {
-            const entryPath = path.join(dirPath, fileName);
-            const isDirectory = fs.lstatSync(entryPath).isDirectory();
-            const isComplete = isDirectory ? this._traverseContractsDir(entryPath, onFile) : onFile(entryPath);
+            const absoluteEntryPath = path.join(dirPath, fileName);
+            const isDirectory = fs.lstatSync(absoluteEntryPath).isDirectory();
+            const entryPath = path.relative(this._contractsDir, absoluteEntryPath);
+            const isComplete = isDirectory ? this._traverseContractsDir(absoluteEntryPath, onFile) : onFile(entryPath);
             if (isComplete) {
                 return isComplete;
             }
diff --git a/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts b/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts
new file mode 100644
index 000000000..2317ede83
--- /dev/null
+++ b/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts
@@ -0,0 +1,26 @@
+import * as fs from 'fs';
+import * as path from 'path';
+
+import { ContractSource } from '../types';
+
+import { Resolver } from './resolver';
+
+export class RelativeFSResolver extends Resolver {
+    private _contractsDir: string;
+    constructor(contractsDir: string) {
+        super();
+        this._contractsDir = contractsDir;
+    }
+    // tslint:disable-next-line:prefer-function-over-method
+    public resolveIfExists(importPath: string): ContractSource | undefined {
+        const filePath = path.join(this._contractsDir, importPath);
+        if (fs.existsSync(filePath)) {
+            const fileContent = fs.readFileSync(filePath).toString();
+            return {
+                source: fileContent,
+                path: importPath,
+            };
+        }
+        return undefined;
+    }
+}