Fixing additional build issues

packages/create-portal-helper/src/index.ts

@@ -126,7 +126,7 @@ class Create {
         const rawRes = await fetch("https://ethgasstation.info/json/ethgasAPI.json");
         const parsed = await rawRes.json();
         const gasPriceGwei = parsed["safeLow"] ? parsed["safeLow"].toString() : "5";
-        this.gasPriceWei = new BigNumber(this.web3.utils.toWei(gasPriceGwei, "Gwei"));
+        this.gasPriceWei = new BigNumber(this.web3.utils.toWei(gasPriceGwei, "Gwei").toString());
 
         this.initialized = true;
     }
@@ -306,7 +306,7 @@ class Create {
      * create.convertToWei(100)    // > "100000000000000000000" (BigNumber)
      * ```
      */
-    convertToWei(etherAmount: string | BigNumber): Promise<string> {
+    convertToWei(etherAmount: string | BigNumber): string {
         return this.web3.utils.toWei(etherAmount.toString());
     }
 
@@ -323,7 +323,7 @@ class Create {
      * create.convertToWei(100000000000000000000)    // > "100" (BigNumber)
      * ```
      */
-    convertFromWei(weiAmount: string | BigNumber): Promise<string> {
+    convertFromWei(weiAmount: string | BigNumber): string {
         return this.web3.utils.fromWei(weiAmount.toString());
     }
 

packages/gov-portal-helper/src/index.ts

@@ -244,7 +244,7 @@ class Gov {
     public challenges: Map<StoreChallenge>;
     public proposals: Map<Proposal>;
 
-    public networkId: string;
+    public networkId: number;
     public coinbase: string;
 
     public kosu: Kosu;

packages/kosu.js/src/KosuToken.ts

@@ -1,6 +1,6 @@
 import { BigNumber } from "@0x/utils";
 import { Web3Wrapper } from "@0x/web3-wrapper";
-import { artifacts, DeployedAddresses, KosuTokenContract } from "@kosu/system-contracts";
+import { DeployedAddresses, KosuTokenContract } from "@kosu/system-contracts";
 import { TransactionReceiptWithDecodedLogs } from "ethereum-protocol";
 import Web3 from "web3";
 
@@ -78,7 +78,6 @@ export class KosuToken {
             }
 
             this.contract = new KosuTokenContract(
-                artifacts.KosuToken.compilerOutput.abi,
                 this.address,
                 this.web3Wrapper.getProvider(),
                 { from: coinbase },

packages/kosu.js/src/OrderGateway.ts

@@ -1,6 +1,6 @@
 import { BigNumber } from "@0x/utils";
 import { Web3Wrapper } from "@0x/web3-wrapper";
-import { artifacts, DeployedAddresses, OrderGatewayContract } from "@kosu/system-contracts";
+import { DeployedAddresses, OrderGatewayContract } from "@kosu/system-contracts";
 import Web3 from "web3";
 
 import { OrderSerializer } from "./OrderSerializer";
@@ -65,7 +65,6 @@ export class OrderGateway {
      */
     private async init(options: KosuOptions): Promise<void> {
         const networkId = options.networkId || (await options.web3.eth.net.getId());
-        const abi = artifacts.OrderGateway.compilerOutput.abi;
 
         if (!this.address) {
             this.address = DeployedAddresses[networkId].OrderGateway;
@@ -75,7 +74,7 @@ export class OrderGateway {
             throw new Error("Invalid network for OrderGateway");
         }
 
-        this.contract = new OrderGatewayContract(abi, this.address, this.web3.currentProvider, {
+        this.contract = new OrderGatewayContract(this.address, this.web3.currentProvider, {
             from: await this.web3.eth.getCoinbase().catch(
                 /* istanbul ignore next */
                 () => undefined,

packages/kosu.js/src/PosterRegistry.ts

@@ -1,6 +1,6 @@
 import { BigNumber } from "@0x/utils";
 import { Web3Wrapper } from "@0x/web3-wrapper";
-import { artifacts, DeployedAddresses, PosterRegistryContract } from "@kosu/system-contracts";
+import { DeployedAddresses, PosterRegistryContract } from "@kosu/system-contracts";
 import { TransactionReceiptWithDecodedLogs } from "ethereum-protocol";
 import Web3 from "web3";
 
@@ -71,7 +71,6 @@ export class PosterRegistry {
             }
 
             this.contract = new PosterRegistryContract(
-                artifacts.PosterRegistry.compilerOutput.abi,
                 this.address,
                 this.web3Wrapper.getProvider(),
                 { from: coinbase },

packages/kosu.js/src/Treasury.ts

@@ -1,6 +1,6 @@
 import { BigNumber } from "@0x/utils";
 import { Web3Wrapper } from "@0x/web3-wrapper";
-import { artifacts, DeployedAddresses, TreasuryContract } from "@kosu/system-contracts";
+import { DeployedAddresses, TreasuryContract } from "@kosu/system-contracts";
 import { TransactionReceiptWithDecodedLogs } from "ethereum-protocol";
 import Web3 from "web3";
 
@@ -79,7 +79,6 @@ export class Treasury {
             }
 
             this.contract = new TreasuryContract(
-                artifacts.Treasury.compilerOutput.abi,
                 this.address,
                 this.web3Wrapper.getProvider(),
                 { from: this.coinbase },

packages/kosu.js/src/ValidatorRegistry.ts

@@ -1,6 +1,6 @@
 import { BigNumber } from "@0x/utils";
 import { Web3Wrapper } from "@0x/web3-wrapper";
-import { artifacts, DeployedAddresses, ValidatorRegistryContract } from "@kosu/system-contracts";
+import { DeployedAddresses, ValidatorRegistryContract } from "@kosu/system-contracts";
 import { TransactionReceiptWithDecodedLogs } from "ethereum-protocol";
 import Web3 from "web3";
 
@@ -52,7 +52,6 @@ export class ValidatorRegistry {
             }
 
             this.contract = new ValidatorRegistryContract(
-                artifacts.ValidatorRegistry.compilerOutput.abi,
                 this.address,
                 this.web3Wrapper.getProvider(),
                 { from: this.coinbase },

packages/kosu.js/src/Voting.ts

@@ -1,6 +1,6 @@
 import { BigNumber } from "@0x/utils";
 import { Web3Wrapper } from "@0x/web3-wrapper";
-import { artifacts, DeployedAddresses, VotingContract } from "@kosu/system-contracts";
+import { DeployedAddresses, VotingContract } from "@kosu/system-contracts";
 import { TransactionReceiptWithDecodedLogs } from "ethereum-protocol";
 import Web3 from "web3";
 
@@ -53,7 +53,6 @@ export class Voting {
             }
 
             this.contract = new VotingContract(
-                artifacts.Voting.compilerOutput.abi,
                 this.address,
                 this.web3Wrapper.getProvider(),
                 { from: this.coinbase },