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Move encodeUint256 & decodeUint256 out of assetDataUtils since we don't want them exported

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This commit is contained in:
Fabio Berger
2018-07-18 11:32:01 +02:00
parent 50ed7d2af2
commit 25160d7344
6 changed files with 43 additions and 31 deletions
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36
packages/order-utils/src/asset_data_utils.ts
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@@ -7,19 +7,6 @@ import ethUtil = require('ethereumjs-util');
import { constants } from './constants';
export const assetDataUtils = {
encodeUint256(value: BigNumber): Buffer {
const base = 10;
const formattedValue = new BN(value.toString(base));
const encodedValue = ethUtil.toBuffer(formattedValue);
// tslint:disable-next-line:custom-no-magic-numbers
const paddedValue = ethUtil.setLengthLeft(encodedValue, constants.WORD_LENGTH);
return paddedValue;
},
decodeUint256(encodedValue: Buffer): BigNumber {
const formattedValue = ethUtil.bufferToHex(encodedValue);
const value = new BigNumber(formattedValue, constants.BASE_16);
return value;
},
encodeERC20AssetData(tokenAddress: string): string {
return ethUtil.bufferToHex(ethAbi.simpleEncode('ERC20Token(address)', tokenAddress));
},
@@ -95,7 +82,7 @@ export const assetDataUtils = {
);
}
const encodedAssetProxyId = encodedAssetData.slice(0, constants.SELECTOR_LENGTH);
const assetProxyId = assetDataUtils._decodeAssetProxyId(encodedAssetProxyId);
const assetProxyId = decodeAssetProxyId(encodedAssetProxyId);
return assetProxyId;
},
decodeAssetData(assetData: string): ERC20AssetData | ERC721AssetData {
@@ -111,14 +98,15 @@ export const assetDataUtils = {
throw new Error(`Unrecognized asset proxy id: ${assetProxyId}`);
}
},
_decodeAssetProxyId(encodedAssetProxyId: Buffer): AssetProxyId {
const hexString = ethUtil.bufferToHex(encodedAssetProxyId);
if (hexString === AssetProxyId.ERC20) {
return AssetProxyId.ERC20;
}
if (hexString === AssetProxyId.ERC721) {
return AssetProxyId.ERC721;
}
throw new Error(`Invalid ProxyId: ${hexString}`);
},
};
function decodeAssetProxyId(encodedAssetProxyId: Buffer): AssetProxyId {
const hexString = ethUtil.bufferToHex(encodedAssetProxyId);
if (hexString === AssetProxyId.ERC20) {
return AssetProxyId.ERC20;
}
if (hexString === AssetProxyId.ERC721) {
return AssetProxyId.ERC721;
}
throw new Error(`Invalid ProxyId: ${hexString}`);
}