6 files changed, 225 insertions, 0 deletions
diff --git a/packages/deployer/src/utils/constants.ts b/packages/deployer/src/utils/constants.ts
new file mode 100644
index 000000000..8871a470d
--- /dev/null
+++ b/packages/deployer/src/utils/constants.ts
@@ -0,0 +1,3 @@
+export const constants = {
+    NULL_BYTES: '0x',
+};
diff --git a/packages/deployer/src/utils/contract.ts b/packages/deployer/src/utils/contract.ts
new file mode 100644
index 000000000..546e82dfb
--- /dev/null
+++ b/packages/deployer/src/utils/contract.ts
@@ -0,0 +1,81 @@
+import { schemas, SchemaValidator } from '@0xproject/json-schemas';
+import { promisify } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as Web3 from 'web3';
+
+import { AbiType } from './types';
+
+export class Contract implements Web3.ContractInstance {
+    public address: string;
+    public abi: Web3.ContractAbi;
+    private _contract: Web3.ContractInstance;
+    private _defaults: Partial<Web3.TxData>;
+    private _validator: SchemaValidator;
+    // This class instance is going to be populated with functions and events depending on the ABI
+    // and we don't know their types in advance
+    [name: string]: any;
+    constructor(web3ContractInstance: Web3.ContractInstance, defaults: Partial<Web3.TxData>) {
+        this._contract = web3ContractInstance;
+        this.address = web3ContractInstance.address;
+        this.abi = web3ContractInstance.abi;
+        this._defaults = defaults;
+        this._populateEvents();
+        this._populateFunctions();
+        this._validator = new SchemaValidator();
+    }
+    private _populateFunctions(): void {
+        const functionsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Function) as Web3.FunctionAbi[];
+        _.forEach(functionsAbi, (functionAbi: Web3.MethodAbi) => {
+            if (functionAbi.constant) {
+                const cbStyleCallFunction = this._contract[functionAbi.name].call;
+                this[functionAbi.name] = {
+                    callAsync: promisify(cbStyleCallFunction, this._contract),
+                };
+            } else {
+                const cbStyleFunction = this._contract[functionAbi.name];
+                const cbStyleEstimateGasFunction = this._contract[functionAbi.name].estimateGas;
+                this[functionAbi.name] = {
+                    estimateGasAsync: promisify(cbStyleEstimateGasFunction, this._contract),
+                    sendTransactionAsync: this._promisifyWithDefaultParams(cbStyleFunction),
+                };
+            }
+        });
+    }
+    private _populateEvents(): void {
+        const eventsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Event) as Web3.EventAbi[];
+        _.forEach(eventsAbi, (eventAbi: Web3.EventAbi) => {
+            this[eventAbi.name] = this._contract[eventAbi.name];
+        });
+    }
+    private _promisifyWithDefaultParams(fn: (...args: any[]) => void): (...args: any[]) => Promise<any> {
+        const promisifiedWithDefaultParams = async (...args: any[]) => {
+            const promise = new Promise((resolve, reject) => {
+                const lastArg = args[args.length - 1];
+                let txData: Partial<Web3.TxData> = {};
+                if (this._isTxData(lastArg)) {
+                    txData = args.pop();
+                }
+                txData = {
+                    ...this._defaults,
+                    ...txData,
+                };
+                const callback = (err: Error, data: any) => {
+                    if (_.isNull(err)) {
+                        resolve(data);
+                    } else {
+                        reject(err);
+                    }
+                };
+                args.push(txData);
+                args.push(callback);
+                fn.apply(this._contract, args);
+            });
+            return promise;
+        };
+        return promisifiedWithDefaultParams;
+    }
+    private _isTxData(lastArg: any): boolean {
+        const isValid = this._validator.isValid(lastArg, schemas.txDataSchema);
+        return isValid;
+    }
+}
diff --git a/packages/deployer/src/utils/encoder.ts b/packages/deployer/src/utils/encoder.ts
new file mode 100644
index 000000000..d5f807774
--- /dev/null
+++ b/packages/deployer/src/utils/encoder.ts
@@ -0,0 +1,20 @@
+import * as _ from 'lodash';
+import * as Web3 from 'web3';
+import * as web3Abi from 'web3-eth-abi';
+
+import { AbiType } from './types';
+
+export const encoder = {
+    encodeConstructorArgsFromAbi(args: any[], abi: Web3.ContractAbi): string {
+        const constructorTypes: string[] = [];
+        _.each(abi, (element: Web3.AbiDefinition) => {
+            if (element.type === AbiType.Constructor) {
+                _.each(element.inputs, (input: Web3.FunctionParameter) => {
+                    constructorTypes.push(input.type);
+                });
+            }
+        });
+        const encodedParameters = web3Abi.encodeParameters(constructorTypes, args);
+        return encodedParameters;
+    },
+};
diff --git a/packages/deployer/src/utils/fs_wrapper.ts b/packages/deployer/src/utils/fs_wrapper.ts
new file mode 100644
index 000000000..34c7caa0e
--- /dev/null
+++ b/packages/deployer/src/utils/fs_wrapper.ts
@@ -0,0 +1,11 @@
+import { promisify } from '@0xproject/utils';
+import * as fs from 'fs';
+
+export const fsWrapper = {
+    readdirAsync: promisify<string[]>(fs.readdir),
+    readFileAsync: promisify<string>(fs.readFile),
+    writeFileAsync: promisify<undefined>(fs.writeFile),
+    mkdirAsync: promisify<undefined>(fs.mkdir),
+    doesPathExistSync: fs.existsSync,
+    removeFileAsync: promisify<undefined>(fs.unlink),
+};
diff --git a/packages/deployer/src/utils/types.ts b/packages/deployer/src/utils/types.ts
new file mode 100644
index 000000000..e054b9cc2
--- /dev/null
+++ b/packages/deployer/src/utils/types.ts
@@ -0,0 +1,97 @@
+import { TxData } from '@0xproject/types';
+import * as Web3 from 'web3';
+import * as yargs from 'yargs';
+
+export enum AbiType {
+    Function = 'function',
+    Constructor = 'constructor',
+    Event = 'event',
+    Fallback = 'fallback',
+}
+
+export interface ContractArtifact {
+    contract_name: string;
+    networks: ContractNetworks;
+}
+
+export interface ContractNetworks {
+    [key: number]: ContractData;
+}
+
+export interface ContractData {
+    solc_version: string;
+    optimizer_enabled: number;
+    keccak256: string;
+    abi: Web3.ContractAbi;
+    unlinked_binary: string;
+    address?: string;
+    constructor_args?: string;
+    updated_at: number;
+}
+
+export interface SolcErrors {
+    [key: string]: boolean;
+}
+
+export interface CliOptions extends yargs.Arguments {
+    artifactsDir: string;
+    contractsDir: string;
+    jsonrpcPort: number;
+    networkId: number;
+    shouldOptimize: boolean;
+    gasPrice: string;
+    account?: string;
+    contract?: string;
+    args?: string;
+}
+
+export interface CompilerOptions {
+    contractsDir: string;
+    networkId: number;
+    optimizerEnabled: number;
+    artifactsDir: string;
+}
+
+export interface DeployerOptions {
+    artifactsDir: string;
+    jsonrpcPort: number;
+    networkId: number;
+    defaults: Partial<TxData>;
+}
+
+export interface ContractSources {
+    [key: string]: string;
+}
+
+export interface ImportContents {
+    contents: string;
+}
+
+// TODO: Consolidate with 0x.js definitions once types are moved into a separate package.
+export enum ZeroExError {
+    ContractDoesNotExist = 'CONTRACT_DOES_NOT_EXIST',
+    ExchangeContractDoesNotExist = 'EXCHANGE_CONTRACT_DOES_NOT_EXIST',
+    UnhandledError = 'UNHANDLED_ERROR',
+    UserHasNoAssociatedAddress = 'USER_HAS_NO_ASSOCIATED_ADDRESSES',
+    InvalidSignature = 'INVALID_SIGNATURE',
+    ContractNotDeployedOnNetwork = 'CONTRACT_NOT_DEPLOYED_ON_NETWORK',
+    InsufficientAllowanceForTransfer = 'INSUFFICIENT_ALLOWANCE_FOR_TRANSFER',
+    InsufficientBalanceForTransfer = 'INSUFFICIENT_BALANCE_FOR_TRANSFER',
+    InsufficientEthBalanceForDeposit = 'INSUFFICIENT_ETH_BALANCE_FOR_DEPOSIT',
+    InsufficientWEthBalanceForWithdrawal = 'INSUFFICIENT_WETH_BALANCE_FOR_WITHDRAWAL',
+    InvalidJump = 'INVALID_JUMP',
+    OutOfGas = 'OUT_OF_GAS',
+    NoNetworkId = 'NO_NETWORK_ID',
+    SubscriptionNotFound = 'SUBSCRIPTION_NOT_FOUND',
+}
+
+export interface Token {
+    address?: string;
+    name: string;
+    symbol: string;
+    decimals: number;
+    ipfsHash: string;
+    swarmHash: string;
+}
+
+export type DoneCallback = (err?: Error) => void;
diff --git a/packages/deployer/src/utils/utils.ts b/packages/deployer/src/utils/utils.ts
new file mode 100644
index 000000000..4390d8813
--- /dev/null
+++ b/packages/deployer/src/utils/utils.ts
@@ -0,0 +1,13 @@
+export const utils = {
+    consoleLog(message: string): void {
+        /* tslint:disable */
+        console.log(message);
+        /* tslint:enable */
+    },
+    stringifyWithFormatting(obj: any): string {
+        const jsonReplacer: null = null;
+        const numberOfJsonSpaces = 4;
+        const stringifiedObj = JSON.stringify(obj, jsonReplacer, numberOfJsonSpaces);
+        return stringifiedObj;
+    },
+};