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-rw-r--r--packages/contracts/src/utils/asset_proxy_utils.ts67
-rw-r--r--packages/contracts/src/utils/constants.ts1
-rw-r--r--packages/contracts/src/utils/crypto.ts2
-rw-r--r--packages/contracts/src/utils/order_utils.ts6
-rw-r--r--packages/contracts/src/utils/types.ts20
5 files changed, 94 insertions, 2 deletions
diff --git a/packages/contracts/src/utils/asset_proxy_utils.ts b/packages/contracts/src/utils/asset_proxy_utils.ts
new file mode 100644
index 000000000..938110a75
--- /dev/null
+++ b/packages/contracts/src/utils/asset_proxy_utils.ts
@@ -0,0 +1,67 @@
+import { BigNumber } from '@0xproject/utils';
+import * as Web3 from 'web3';
+
+import { AssetProxyId } from './types';
+const ethersUtils = require('ethers-utils');
+
+export function zeroPad(value: string, width: number): string {
+ return '0'.repeat(width - value.length) + value;
+}
+
+export function encodeAssetProxyId(assetProxyId: AssetProxyId, encoded_metadata: { value: string }) {
+ encoded_metadata.value += zeroPad(new BigNumber(assetProxyId).toString(16), 2);
+}
+
+export function encodeAddress(address: string, encoded_metadata: { value: string }) {
+ encoded_metadata.value += zeroPad(address.replace('0x', ''), 40);
+}
+
+export function encodeUint256(value: BigNumber, encoded_metadata: { value: string }) {
+ encoded_metadata.value += zeroPad(value.toString(16), 64);
+}
+
+export function encodeERC20ProxyMetadata_V1(tokenAddress: string) {
+ // Encode metadata
+ const encoded_metadata = { value: '0x' };
+ encodeAssetProxyId(AssetProxyId.ERC20_V1, encoded_metadata);
+ encodeAddress(tokenAddress, encoded_metadata);
+
+ // Verify encoding length - '0x' plus 21 bytes of encoded data
+ if (encoded_metadata.value.length != 44) {
+ throw Error('Bad encoding length. Expected 44, got ' + encoded_metadata.value.length);
+ }
+
+ // Return encoded metadata
+ return encoded_metadata.value;
+}
+
+export function encodeERC20ProxyMetadata(tokenAddress: string) {
+ // Encode metadata
+ const encoded_metadata = { value: '0x' };
+ encodeAssetProxyId(AssetProxyId.ERC20, encoded_metadata);
+ encodeAddress(tokenAddress, encoded_metadata);
+
+ // Verify encoding length - '0x' plus 21 bytes of encoded data
+ if (encoded_metadata.value.length != 44) {
+ throw Error('Bad encoding length. Expected 44, got ' + encoded_metadata.value.length);
+ }
+
+ // Return encoded metadata
+ return encoded_metadata.value;
+}
+
+export function encodeERC721ProxyMetadata(tokenAddress: string, tokenId: BigNumber) {
+ // Encode metadata
+ const encoded_metadata = { value: '0x' };
+ encodeAssetProxyId(AssetProxyId.ERC721, encoded_metadata);
+ encodeAddress(tokenAddress, encoded_metadata);
+ encodeUint256(tokenId, encoded_metadata);
+
+ // Verify encoding length - '0x' plus 53 bytes of encoded data
+ if (encoded_metadata.value.length != 108) {
+ throw Error('Bad encoding length. Expected 108, got ' + encoded_metadata.value.length);
+ }
+
+ // Return encoded metadata
+ return encoded_metadata.value;
+}
diff --git a/packages/contracts/src/utils/constants.ts b/packages/contracts/src/utils/constants.ts
index d31e1e285..49872fc59 100644
--- a/packages/contracts/src/utils/constants.ts
+++ b/packages/contracts/src/utils/constants.ts
@@ -26,5 +26,6 @@ export const constants = {
MAX_TOKEN_TRANSFERFROM_GAS: 80000,
MAX_TOKEN_APPROVE_GAS: 60000,
DUMMY_TOKEN_ARGS: [DUMMY_TOKEN_NAME, DUMMY_TOKEN_SYMBOL, DUMMY_TOKEN_DECIMALS, DUMMY_TOKEN_TOTAL_SUPPLY],
+ DUMMY_ERC721TOKEN_ARGS: [DUMMY_TOKEN_NAME, DUMMY_TOKEN_SYMBOL],
TESTRPC_PRIVATE_KEYS: _.map(TESTRPC_PRIVATE_KEYS_STRINGS, privateKeyString => ethUtil.toBuffer(privateKeyString)),
};
diff --git a/packages/contracts/src/utils/crypto.ts b/packages/contracts/src/utils/crypto.ts
index 810072d2f..5bc678cdf 100644
--- a/packages/contracts/src/utils/crypto.ts
+++ b/packages/contracts/src/utils/crypto.ts
@@ -31,6 +31,8 @@ export const crypto = {
argTypes.push('address');
} else if (_.isString(arg)) {
argTypes.push('string');
+ } else if (arg instanceof Buffer) {
+ argTypes.push('bytes');
} else if (_.isBoolean(arg)) {
argTypes.push('bool');
} else {
diff --git a/packages/contracts/src/utils/order_utils.ts b/packages/contracts/src/utils/order_utils.ts
index 26336c81d..8eb4da35a 100644
--- a/packages/contracts/src/utils/order_utils.ts
+++ b/packages/contracts/src/utils/order_utils.ts
@@ -35,6 +35,8 @@ export const orderUtils = {
takerFee: signedOrder.takerFee,
expirationTimeSeconds: signedOrder.expirationTimeSeconds,
salt: signedOrder.salt,
+ makerAssetProxyData: signedOrder.makerAssetProxyData,
+ takerAssetProxyData: signedOrder.takerAssetProxyData,
};
return orderStruct;
},
@@ -52,6 +54,8 @@ export const orderUtils = {
'uint256 takerFee',
'uint256 expirationTimeSeconds',
'uint256 salt',
+ 'bytes makerAssetProxyData',
+ 'bytes takerAssetProxyData',
]);
const orderParamsHashBuff = crypto.solSHA3([
order.exchangeAddress,
@@ -66,6 +70,8 @@ export const orderUtils = {
order.takerFee,
order.expirationTimeSeconds,
order.salt,
+ ethUtil.toBuffer(order.makerAssetProxyData),
+ ethUtil.toBuffer(order.takerAssetProxyData),
]);
const orderSchemaHashHex = `0x${orderSchemaHashBuff.toString('hex')}`;
const orderParamsHashHex = `0x${orderParamsHashBuff.toString('hex')}`;
diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts
index ed0ebeee9..f1636929b 100644
--- a/packages/contracts/src/utils/types.ts
+++ b/packages/contracts/src/utils/types.ts
@@ -37,6 +37,13 @@ export interface CancelOrdersBefore {
salt: BigNumber;
}
+export enum AssetProxyId {
+ INVALID,
+ ERC20_V1,
+ ERC20,
+ ERC721,
+}
+
export interface DefaultOrderParams {
exchangeAddress: string;
makerAddress: string;
@@ -45,8 +52,10 @@ export interface DefaultOrderParams {
takerTokenAddress: string;
makerTokenAmount: BigNumber;
takerTokenAmount: BigNumber;
- makerFee: BigNumber;
- takerFee: BigNumber;
+ makerFeeAmount: BigNumber;
+ takerFeeAmount: BigNumber;
+ makerAssetProxyData: string;
+ takerAssetProxyData: string;
}
export interface TransactionDataParams {
@@ -100,6 +109,11 @@ export enum ContractName {
AccountLevels = 'AccountLevels',
EtherDelta = 'EtherDelta',
Arbitrage = 'Arbitrage',
+ AssetProxyDispatcher = 'AssetProxyDispatcher',
+ ERC20TransferProxy = 'ERC20TransferProxy',
+ ERC20TransferProxy_V1 = 'ERC20TransferProxy_v1',
+ ERC721TransferProxy = 'ERC721TransferProxy',
+ DummyERC721Token = 'DummyERC721Token',
}
export interface Artifact {
@@ -134,6 +148,8 @@ export interface OrderStruct {
takerFee: BigNumber;
expirationTimeSeconds: BigNumber;
salt: BigNumber;
+ makerAssetProxyData: string;
+ takerAssetProxyData: string;
}
export interface UnsignedOrder extends OrderStruct {