export proxyUtils instead of individual functions

1 files changed, 32 insertions, 34 deletions

diff --git a/packages/contracts/src/utils/asset_proxy_utils.ts b/packages/contracts/src/utils/asset_proxy_utils.ts
index da610cbcc..29e50a860 100644
--- a/packages/contracts/src/utils/asset_proxy_utils.ts
+++ b/packages/contracts/src/utils/asset_proxy_utils.ts
@@ -4,37 +4,35 @@ import ethUtil = require('ethereumjs-util');
 
 import { AssetProxyId } from './types';
 
-export function encodeAssetProxyId(assetProxyId: AssetProxyId): Buffer {
-    return ethUtil.toBuffer(assetProxyId);
-}
-
-export function encodeAddress(address: string): Buffer {
-    if (!ethUtil.isValidAddress(address)) {
-        throw new Error(`Invalid Address: ${address}`);
-    }
-    const encodedAddress = ethUtil.toBuffer(address);
-    return encodedAddress;
-}
-
-export function encodeUint256(value: BigNumber): Buffer {
-    const formattedValue = new BN(value.toString(10));
-    const encodedValue = ethUtil.toBuffer(formattedValue);
-    return encodedValue;
-}
-
-export function encodeERC20ProxyData(tokenAddress: string): string {
-    const encodedAssetProxyId = encodeAssetProxyId(AssetProxyId.ERC20);
-    const encodedAddress = encodeAddress(tokenAddress);
-    const encodedMetadata = Buffer.concat([encodedAssetProxyId, encodedAddress]);
-    const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata);
-    return encodedMetadataHex;
-}
-
-export function encodeERC721ProxyData(tokenAddress: string, tokenId: BigNumber): string {
-    const encodedAssetProxyId = encodeAssetProxyId(AssetProxyId.ERC721);
-    const encodedAddress = encodeAddress(tokenAddress);
-    const encodedTokenId = encodeUint256(tokenId);
-    const encodedMetadata = Buffer.concat([encodedAssetProxyId, encodedAddress, encodedTokenId]);
-    const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata);
-    return encodedMetadataHex;
-}
+export const proxyUtils = {
+    encodeAssetProxyId(assetProxyId: AssetProxyId): Buffer {
+        return ethUtil.toBuffer(assetProxyId);
+    },
+    encodeAddress(address: string): Buffer {
+        if (!ethUtil.isValidAddress(address)) {
+            throw new Error(`Invalid Address: ${address}`);
+        }
+        const encodedAddress = ethUtil.toBuffer(address);
+        return encodedAddress;
+    },
+    encodeUint256(value: BigNumber): Buffer {
+        const formattedValue = new BN(value.toString(10));
+        const encodedValue = ethUtil.toBuffer(formattedValue);
+        return encodedValue;
+    },
+    encodeERC20ProxyData(tokenAddress: string): string {
+        const encodedAssetProxyId = proxyUtils.encodeAssetProxyId(AssetProxyId.ERC20);
+        const encodedAddress = proxyUtils.encodeAddress(tokenAddress);
+        const encodedMetadata = Buffer.concat([encodedAssetProxyId, encodedAddress]);
+        const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata);
+        return encodedMetadataHex;
+    },
+    encodeERC721ProxyData(tokenAddress: string, tokenId: BigNumber): string {
+        const encodedAssetProxyId = proxyUtils.encodeAssetProxyId(AssetProxyId.ERC721);
+        const encodedAddress = proxyUtils.encodeAddress(tokenAddress);
+        const encodedTokenId = proxyUtils.encodeUint256(tokenId);
+        const encodedMetadata = Buffer.concat([encodedAssetProxyId, encodedAddress, encodedTokenId]);
+        const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata);
+        return encodedMetadataHex;
+    },
+};