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-rw-r--r--packages/contracts/test/asset_proxy/proxies.ts5
-rw-r--r--packages/contracts/test/libraries/lib_bytes.ts9
-rw-r--r--packages/contracts/test/utils/constants.ts2
-rw-r--r--packages/contracts/test/utils/type_encoding_utils.ts21
-rw-r--r--packages/order-utils/src/asset_data_utils.ts36
-rw-r--r--packages/order-utils/src/constants.ts1
6 files changed, 43 insertions, 31 deletions
diff --git a/packages/contracts/test/asset_proxy/proxies.ts b/packages/contracts/test/asset_proxy/proxies.ts
index 42493bc3a..39674a030 100644
--- a/packages/contracts/test/asset_proxy/proxies.ts
+++ b/packages/contracts/test/asset_proxy/proxies.ts
@@ -23,6 +23,7 @@ import { constants } from '../utils/constants';
import { ERC20Wrapper } from '../utils/erc20_wrapper';
import { ERC721Wrapper } from '../utils/erc721_wrapper';
import { LogDecoder } from '../utils/log_decoder';
+import { typeEncodingUtils } from '../utils/type_encoding_utils';
import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
chaiSetup.configure();
@@ -288,7 +289,7 @@ describe('Asset Transfer Proxies', () => {
it('should call onERC721Received when transferring to a smart contract with receiver data', async () => {
// Construct ERC721 asset data
- const receiverData = ethUtil.bufferToHex(assetDataUtils.encodeUint256(generatePseudoRandomSalt()));
+ const receiverData = ethUtil.bufferToHex(typeEncodingUtils.encodeUint256(generatePseudoRandomSalt()));
const encodedAssetData = assetDataUtils.encodeERC721AssetData(
erc721Token.address,
erc721MakerTokenId,
@@ -327,7 +328,7 @@ describe('Asset Transfer Proxies', () => {
it('should throw if there is receiver data but contract does not have onERC721Received', async () => {
// Construct ERC721 asset data
- const receiverData = ethUtil.bufferToHex(assetDataUtils.encodeUint256(generatePseudoRandomSalt()));
+ const receiverData = ethUtil.bufferToHex(typeEncodingUtils.encodeUint256(generatePseudoRandomSalt()));
const encodedAssetData = assetDataUtils.encodeERC721AssetData(
erc721Token.address,
erc721MakerTokenId,
diff --git a/packages/contracts/test/libraries/lib_bytes.ts b/packages/contracts/test/libraries/lib_bytes.ts
index 3489564c0..95e05046b 100644
--- a/packages/contracts/test/libraries/lib_bytes.ts
+++ b/packages/contracts/test/libraries/lib_bytes.ts
@@ -12,6 +12,7 @@ import { artifacts } from '../utils/artifacts';
import { expectContractCallFailed } from '../utils/assertions';
import { chaiSetup } from '../utils/chai_setup';
import { constants } from '../utils/constants';
+import { typeEncodingUtils } from '../utils/type_encoding_utils';
import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
chaiSetup.configure();
@@ -74,20 +75,20 @@ describe('LibBytes', () => {
shortData = '0xffffaa';
const encodedShortData = ethUtil.toBuffer(shortData);
const shortDataLength = new BigNumber(encodedShortData.byteLength);
- const encodedShortDataLength = assetDataUtils.encodeUint256(shortDataLength);
+ const encodedShortDataLength = typeEncodingUtils.encodeUint256(shortDataLength);
shortTestBytesAsBuffer = Buffer.concat([encodedShortDataLength, encodedShortData]);
shortTestBytes = ethUtil.bufferToHex(shortTestBytesAsBuffer);
// Create test bytes one word in length
- wordOfData = ethUtil.bufferToHex(assetDataUtils.encodeUint256(generatePseudoRandomSalt()));
+ wordOfData = ethUtil.bufferToHex(typeEncodingUtils.encodeUint256(generatePseudoRandomSalt()));
const encodedWordOfData = ethUtil.toBuffer(wordOfData);
const wordOfDataLength = new BigNumber(encodedWordOfData.byteLength);
- const encodedWordOfDataLength = assetDataUtils.encodeUint256(wordOfDataLength);
+ const encodedWordOfDataLength = typeEncodingUtils.encodeUint256(wordOfDataLength);
wordOfTestBytesAsBuffer = Buffer.concat([encodedWordOfDataLength, encodedWordOfData]);
wordOfTestBytes = ethUtil.bufferToHex(wordOfTestBytesAsBuffer);
// Create long test bytes (combines short test bytes with word of test bytes)
longData = ethUtil.bufferToHex(Buffer.concat([encodedShortData, encodedWordOfData]));
const longDataLength = new BigNumber(encodedShortData.byteLength + encodedWordOfData.byteLength);
- const encodedLongDataLength = assetDataUtils.encodeUint256(longDataLength);
+ const encodedLongDataLength = typeEncodingUtils.encodeUint256(longDataLength);
longTestBytesAsBuffer = Buffer.concat([encodedLongDataLength, encodedShortData, encodedWordOfData]);
longTestBytes = ethUtil.bufferToHex(longTestBytesAsBuffer);
});
diff --git a/packages/contracts/test/utils/constants.ts b/packages/contracts/test/utils/constants.ts
index e8995f9d6..7dac38f56 100644
--- a/packages/contracts/test/utils/constants.ts
+++ b/packages/contracts/test/utils/constants.ts
@@ -17,6 +17,7 @@ const TESTRPC_PRIVATE_KEYS_STRINGS = [
];
export const constants = {
+ BASE_16: 16,
INVALID_OPCODE: 'invalid opcode',
TESTRPC_NETWORK_ID: 50,
// Note(albrow): In practice V8 and most other engines limit the minimum
@@ -47,4 +48,5 @@ export const constants = {
makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
},
+ WORD_LENGTH: 32,
};
diff --git a/packages/contracts/test/utils/type_encoding_utils.ts b/packages/contracts/test/utils/type_encoding_utils.ts
new file mode 100644
index 000000000..75307b9bd
--- /dev/null
+++ b/packages/contracts/test/utils/type_encoding_utils.ts
@@ -0,0 +1,21 @@
+import { BigNumber } from '@0xproject/utils';
+import BN = require('bn.js');
+import ethUtil = require('ethereumjs-util');
+
+import { constants } from './constants';
+
+export const typeEncodingUtils = {
+ 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;
+ },
+};
diff --git a/packages/order-utils/src/asset_data_utils.ts b/packages/order-utils/src/asset_data_utils.ts
index 6a4e7600d..ae4da4bb0 100644
--- a/packages/order-utils/src/asset_data_utils.ts
+++ b/packages/order-utils/src/asset_data_utils.ts
@@ -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}`);
+}
diff --git a/packages/order-utils/src/constants.ts b/packages/order-utils/src/constants.ts
index 383a657b8..bb7482184 100644
--- a/packages/order-utils/src/constants.ts
+++ b/packages/order-utils/src/constants.ts
@@ -6,7 +6,6 @@ export const constants = {
UNLIMITED_ALLOWANCE_IN_BASE_UNITS: new BigNumber(2).pow(256).minus(1),
TESTRPC_NETWORK_ID: 50,
ADDRESS_LENGTH: 20,
- WORD_LENGTH: 32,
ERC20_ASSET_DATA_BYTE_LENGTH: 36,
ERC721_ASSET_DATA_MINIMUM_BYTE_LENGTH: 53,
SELECTOR_LENGTH: 4,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 16:23:02 +0800