Merge branch 'development' into removeUnusedDeps

* development:
  Temporarily remove installation test
  Fix package.json
  Remove `isPublished` from all CHANGELOG.json filesx
  Now that every version of a package published has a corresponding entry in it's CHANGELOG we no longer need the isPublished flag. Remove it.
  Remove temporary convert_changelog script

# Conflicts:
#	packages/monorepo-scripts/package.json

6 files changed, 20 insertions, 136 deletions

diff --git a/packages/monorepo-scripts/CHANGELOG.json b/packages/monorepo-scripts/CHANGELOG.json
index fdc3b8cce..05e1ce2a2 100644
--- a/packages/monorepo-scripts/CHANGELOG.json
+++ b/packages/monorepo-scripts/CHANGELOG.json
@@ -15,7 +15,6 @@
                 "note": "Add postpublish utils"
             }
         ],
-        "timestamp": 1521298800,
-        "isPublished": true
+        "timestamp": 1521298800
     }
 ]
diff --git a/packages/monorepo-scripts/package.json b/packages/monorepo-scripts/package.json
index ccdf6ca2e..b113b4b39 100644
--- a/packages/monorepo-scripts/package.json
+++ b/packages/monorepo-scripts/package.json
@@ -10,11 +10,9 @@
         "clean": "shx rm -rf lib",
         "build": "tsc",
         "test:publish": "run-s build script:publish",
-        "convert_changelogs": "run-s build script:convert_changelogs",
         "find_unused_deps": "run-s build script:find_unused_deps",
         "script:deps_versions": "node ./lib/deps_versions.js",
         "script:publish": "IS_DRY_RUN=true node ./lib/publish.js",
-        "script:convert_changelogs": "node ./lib/convert_changelogs.js",
         "script:find_unused_deps": "node ./lib/find_unused_dependencies.js"
     },
     "repository": {
diff --git a/packages/monorepo-scripts/src/convert_changelogs.ts b/packages/monorepo-scripts/src/convert_changelogs.ts
deleted file mode 100644
index b5be14ed8..000000000
--- a/packages/monorepo-scripts/src/convert_changelogs.ts
+++ /dev/null
@@ -1,99 +0,0 @@
-#!/usr/bin/env node
-/**
- * TEMPORARY SCRIPT
- * This script exists to migrate the legacy CHANGELOG.md to the canonical CHANGELOG.md
- * TODO: Remove after migration is successful and committed.
- */
-
-import * as fs from 'fs';
-import lernaGetPackages = require('lerna-get-packages');
-import * as _ from 'lodash';
-import * as moment from 'moment';
-import * as path from 'path';
-import { exec as execAsync } from 'promisify-child-process';
-
-import { constants } from './constants';
-import { Changelog, Changes, UpdatedPackage } from './types';
-import { utils } from './utils';
-
-const HEADER_PRAGMA = '##';
-
-(async () => {
-    const allLernaPackages = lernaGetPackages(constants.monorepoRootPath);
-    const publicLernaPackages = _.filter(allLernaPackages, pkg => !pkg.package.private);
-    for (const lernaPackage of publicLernaPackages) {
-        const changelogMdIfExists = getChangelogMdIfExists(lernaPackage.package.name, lernaPackage.location);
-        if (_.isUndefined(changelogMdIfExists)) {
-            throw new Error(`${lernaPackage.package.name} should have CHANGELOG.md b/c it's public. Add one.`);
-        }
-
-        const lines = changelogMdIfExists.split('\n');
-        const changelogs: Changelog[] = [];
-        let changelog: Changelog = {
-            version: '',
-            changes: [],
-        };
-        /**
-         * Example MD entry:
-         * ## v0.3.1 - _March 18, 2018_
-         *
-         *    * Add TS types for `yargs` (#400)
-         */
-        for (const line of lines) {
-            if (_.startsWith(line, `${HEADER_PRAGMA} `)) {
-                let version = line.substr(4).split(' - ')[0];
-                if (version === '0.x.x') {
-                    version = utils.getNextPatchVersion(lernaPackage.package.version);
-                }
-                const dateStr = line.split('_')[1];
-                let date;
-                if (!_.includes(dateStr, 'TBD')) {
-                    date = moment(dateStr, 'MMMM D, YYYY');
-                }
-                changelog = {
-                    version,
-                    changes: [],
-                };
-                if (!_.isUndefined(date)) {
-                    changelog.timestamp = date.unix();
-                }
-                if (!_.includes(dateStr, 'TBD')) {
-                    changelog.isPublished = true;
-                }
-                changelogs.push(changelog);
-            } else if (_.includes(line, '* ')) {
-                const note = line.split('* ')[1].split(' (#')[0];
-                const prChunk = line.split(' (#')[1];
-                let pr;
-                if (!_.isUndefined(prChunk)) {
-                    pr = prChunk.split(')')[0];
-                }
-                const changes: Changes = {
-                    note,
-                };
-                if (!_.isUndefined(pr)) {
-                    changes.pr = _.parseInt(pr);
-                }
-                changelog.changes.push(changes);
-            }
-        }
-        const changelogJSON = JSON.stringify(changelogs, null, 4);
-        const changelogJSONPath = `${lernaPackage.location}/CHANGELOG.json`;
-        fs.writeFileSync(changelogJSONPath, changelogJSON);
-        await utils.prettifyAsync(changelogJSONPath, constants.monorepoRootPath);
-    }
-})().catch(err => {
-    utils.log(err.stdout);
-    process.exit(1);
-});
-
-function getChangelogMdIfExists(packageName: string, location: string): string | undefined {
-    const changelogPath = path.join(location, 'CHANGELOG.md');
-    let changelogMd: string;
-    try {
-        changelogMd = fs.readFileSync(changelogPath, 'utf-8');
-        return changelogMd;
-    } catch (err) {
-        return undefined;
-    }
-}
diff --git a/packages/monorepo-scripts/src/postpublish_utils.ts b/packages/monorepo-scripts/src/postpublish_utils.ts
index 236b54379..ca4c92f5d 100644
--- a/packages/monorepo-scripts/src/postpublish_utils.ts
+++ b/packages/monorepo-scripts/src/postpublish_utils.ts
@@ -91,7 +91,7 @@ export const postpublishUtils = {
         );
     },
     async publishReleaseNotesAsync(cwd: string, packageName: string, version: string, assets: string[]): Promise<void> {
-        const notes = this.getReleaseNotes(packageName);
+        const notes = this.getReleaseNotes(packageName, version);
         const releaseName = this.getReleaseName(packageName, version);
         const tag = this.getTag(packageName, version);
         const finalAssets = this.adjustAssetPaths(cwd, assets);
@@ -109,9 +109,8 @@ export const postpublishUtils = {
             reuseDraftOnly: false,
             assets,
         });
-        this.updateChangelogIsPublished(packageName);
     },
-    getReleaseNotes(packageName: string) {
+    getReleaseNotes(packageName: string, version: string) {
         const packageNameWithNamespace = packageName.replace('@0xproject/', '');
         const changelogJSONPath = path.join(
             constants.monorepoRootPath,
@@ -122,33 +121,20 @@ export const postpublishUtils = {
         const changelogJSON = fs.readFileSync(changelogJSONPath, 'utf-8');
         const changelogs = JSON.parse(changelogJSON);
         const latestLog = changelogs[0];
-        if (_.isUndefined(latestLog.isPublished)) {
-            let notes = '';
-            _.each(latestLog.changes, change => {
-                notes += `* ${change.note}`;
-                if (change.pr) {
-                    notes += ` (${change.pr})`;
-                }
-                notes += `\n`;
-            });
-            return notes;
+        // We sanity check that the version for the changelog notes we are about to publish to Github
+        // correspond to the new version of the package.
+        if (version !== latestLog.version) {
+            throw new Error('Expected CHANGELOG.json latest entry version to coincide with published version.');
         }
-        return 'N/A';
-    },
-    updateChangelogIsPublished(packageName: string) {
-        const packageNameWithNamespace = packageName.replace('@0xproject/', '');
-        const changelogJSONPath = path.join(
-            constants.monorepoRootPath,
-            'packages',
-            packageNameWithNamespace,
-            'CHANGELOG.json',
-        );
-        const changelogJSON = fs.readFileSync(changelogJSONPath, 'utf-8');
-        const changelogs = JSON.parse(changelogJSON);
-        const latestLog = changelogs[0];
-        latestLog.isPublished = true;
-        changelogs[0] = latestLog;
-        fs.writeFileSync(changelogJSONPath, JSON.stringify(changelogs, null, '\t'));
+        let notes = '';
+        _.each(latestLog.changes, change => {
+            notes += `* ${change.note}`;
+            if (change.pr) {
+                notes += ` (${change.pr})`;
+            }
+            notes += `\n`;
+        });
+        return notes;
     },
     getTag(packageName: string, version: string) {
         return `${packageName}@${version}`;
diff --git a/packages/monorepo-scripts/src/publish.ts b/packages/monorepo-scripts/src/publish.ts
index d749ec630..adc1de64a 100644
--- a/packages/monorepo-scripts/src/publish.ts
+++ b/packages/monorepo-scripts/src/publish.ts
@@ -48,7 +48,7 @@ const semverNameToIndex: { [semver: string]: number } = {
         }
 
         const currentVersion = lernaPackage.package.version;
-        const shouldAddNewEntry = shouldAddNewChangelogEntry(changelogs);
+        const shouldAddNewEntry = shouldAddNewChangelogEntry(currentVersion, changelogs);
         if (shouldAddNewEntry) {
             // Create a new entry for a patch version with generic changelog entry.
             const nextPatchVersion = utils.getNextPatchVersion(currentVersion);
@@ -174,12 +174,13 @@ function getChangelogJSONOrCreateIfMissing(packageName: string, changelogPath: s
     }
 }
 
-function shouldAddNewChangelogEntry(changelogs: Changelog[]): boolean {
+function shouldAddNewChangelogEntry(currentVersion: string, changelogs: Changelog[]): boolean {
     if (_.isEmpty(changelogs)) {
         return true;
     }
     const lastEntry = changelogs[0];
-    return !!lastEntry.isPublished;
+    const lastEntryCurrentVersion = lastEntry.version === currentVersion;
+    return lastEntryCurrentVersion;
 }
 
 function generateChangelogMd(changelogs: Changelog[]): string {
diff --git a/packages/monorepo-scripts/src/types.ts b/packages/monorepo-scripts/src/types.ts
index 7adec202f..9e6edd186 100644
--- a/packages/monorepo-scripts/src/types.ts
+++ b/packages/monorepo-scripts/src/types.ts
@@ -13,7 +13,6 @@ export interface Changelog {
     timestamp?: number;
     version: string;
     changes: Changes[];
-    isPublished?: boolean;
 }
 
 export enum SemVerIndex {