From 9b1015bbce81b3f2a245e3dab6eea7c9028ce93b Mon Sep 17 00:00:00 2001 From: Greg Hysen Date: Thu, 10 May 2018 14:22:49 -0700 Subject: Atomic Order Matching - Tests --- packages/contracts/src/utils/asset_proxy_utils.ts | 74 +++++++++++++++++++++++ packages/contracts/src/utils/exchange_wrapper.ts | 22 +++++++ packages/contracts/src/utils/order_utils.ts | 9 +++ packages/contracts/src/utils/types.ts | 48 +++++++++++++-- 4 files changed, 147 insertions(+), 6 deletions(-) (limited to 'packages/contracts/src/utils') diff --git a/packages/contracts/src/utils/asset_proxy_utils.ts b/packages/contracts/src/utils/asset_proxy_utils.ts index dc31c3497..9a26a9ca7 100644 --- a/packages/contracts/src/utils/asset_proxy_utils.ts +++ b/packages/contracts/src/utils/asset_proxy_utils.ts @@ -8,6 +8,9 @@ export const assetProxyUtils = { encodeAssetProxyId(assetProxyId: AssetProxyId): Buffer { return ethUtil.toBuffer(assetProxyId); }, + decodeAssetProxyId(encodedAssetProxyId: Buffer): AssetProxyId { + return ethUtil.bufferToInt(encodedAssetProxyId); + }, encodeAddress(address: string): Buffer { if (!ethUtil.isValidAddress(address)) { throw new Error(`Invalid Address: ${address}`); @@ -15,12 +18,24 @@ export const assetProxyUtils = { const encodedAddress = ethUtil.toBuffer(address); return encodedAddress; }, + decodeAddress(encodedAddress: Buffer): string { + const address = ethUtil.bufferToHex(encodedAddress); + if (!ethUtil.isValidAddress(address)) { + throw new Error(`Invalid Address: ${address}`); + } + return address; + }, encodeUint256(value: BigNumber): Buffer { const formattedValue = new BN(value.toString(10)); const encodedValue = ethUtil.toBuffer(formattedValue); const paddedValue = ethUtil.setLengthLeft(encodedValue, 32); return paddedValue; }, + decodeUint256(encodedValue: Buffer): BigNumber { + const formattedValue = ethUtil.bufferToHex(encodedValue); + const value = new BigNumber(formattedValue, 16); + return value; + }, encodeERC20ProxyData(tokenAddress: string): string { const encodedAssetProxyId = assetProxyUtils.encodeAssetProxyId(AssetProxyId.ERC20); const encodedAddress = assetProxyUtils.encodeAddress(tokenAddress); @@ -28,6 +43,28 @@ export const assetProxyUtils = { const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata); return encodedMetadataHex; }, + decodeERC20ProxyData(proxyData: string): string /* tokenAddress */ { + const encodedProxyMetadata = ethUtil.toBuffer(proxyData); + if (encodedProxyMetadata.byteLength !== 21) { + throw new Error( + `Could not decode ERC20 Proxy Data. Expected length of encoded data to be 21. Got ${ + encodedProxyMetadata.byteLength + }`, + ); + } + const encodedAssetProxyId = encodedProxyMetadata.slice(0, 1); + const assetProxyId = assetProxyUtils.decodeAssetProxyId(encodedAssetProxyId); + if (assetProxyId !== AssetProxyId.ERC20) { + throw new Error( + `Could not decode ERC20 Proxy Data. Expected Asset Proxy Id to be ERC20 (${ + AssetProxyId.ERC20 + }), but got ${assetProxyId}`, + ); + } + const encodedTokenAddress = encodedProxyMetadata.slice(1, 21); + const tokenAddress = assetProxyUtils.decodeAddress(encodedTokenAddress); + return tokenAddress; + }, encodeERC721ProxyData(tokenAddress: string, tokenId: BigNumber): string { const encodedAssetProxyId = assetProxyUtils.encodeAssetProxyId(AssetProxyId.ERC721); const encodedAddress = assetProxyUtils.encodeAddress(tokenAddress); @@ -36,4 +73,41 @@ export const assetProxyUtils = { const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata); return encodedMetadataHex; }, + decodeERC721ProxyData(proxyData: string): [string /* tokenAddress */, BigNumber /* tokenId */] { + const encodedProxyMetadata = ethUtil.toBuffer(proxyData); + if (encodedProxyMetadata.byteLength !== 53) { + throw new Error( + `Could not decode ERC20 Proxy Data. Expected length of encoded data to be 53. Got ${ + encodedProxyMetadata.byteLength + }`, + ); + } + const encodedAssetProxyId = encodedProxyMetadata.slice(0, 1); + const assetProxyId = assetProxyUtils.decodeAssetProxyId(encodedAssetProxyId); + if (assetProxyId !== AssetProxyId.ERC721) { + throw new Error( + `Could not decode ERC721 Proxy Data. Expected Asset Proxy Id to be ERC721 (${ + AssetProxyId.ERC721 + }), but got ${assetProxyId}`, + ); + } + const encodedTokenAddress = encodedProxyMetadata.slice(1, 21); + const tokenAddress = assetProxyUtils.decodeAddress(encodedTokenAddress); + const encodedTokenId = encodedProxyMetadata.slice(21, 53); + const tokenId = assetProxyUtils.decodeUint256(encodedTokenId); + return [tokenAddress, tokenId]; + }, + decodeProxyDataId(proxyData: string): AssetProxyId { + const encodedProxyMetadata = ethUtil.toBuffer(proxyData); + if (encodedProxyMetadata.byteLength < 1) { + throw new Error( + `Could not decode Proxy Data. Expected length of encoded data to be at least 1. Got ${ + encodedProxyMetadata.byteLength + }`, + ); + } + const encodedAssetProxyId = encodedProxyMetadata.slice(0, 1); + const assetProxyId = assetProxyUtils.decodeAssetProxyId(encodedAssetProxyId); + return assetProxyId; + }, }; diff --git a/packages/contracts/src/utils/exchange_wrapper.ts b/packages/contracts/src/utils/exchange_wrapper.ts index 27fdd698f..6d36198f2 100644 --- a/packages/contracts/src/utils/exchange_wrapper.ts +++ b/packages/contracts/src/utils/exchange_wrapper.ts @@ -231,4 +231,26 @@ export class ExchangeWrapper { tx.logs = _.map(tx.logs, log => this._logDecoder.decodeLogOrThrow(log)); return tx; } + public async getOrderInfoAsync( + signedOrder: SignedOrder, + ): Promise<[number /* orderStatus */, string /* orderHash */, BigNumber /* orderTakerAssetAmountFilled */]> { + const orderInfo: [number, string, BigNumber] = await this._exchange.getOrderInfo.callAsync(signedOrder); + return orderInfo; + } + public async matchOrdersAsync( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + from: string, + ): Promise { + const params = orderUtils.createMatchOrders(signedOrderLeft, signedOrderRight); + const txHash = await this._exchange.matchOrders.sendTransactionAsync( + params.left, + params.right, + params.leftSignature, + params.rightSignature, + { from }, + ); + const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash); + return tx; + } } diff --git a/packages/contracts/src/utils/order_utils.ts b/packages/contracts/src/utils/order_utils.ts index 10bbf4f7c..7a482ad9e 100644 --- a/packages/contracts/src/utils/order_utils.ts +++ b/packages/contracts/src/utils/order_utils.ts @@ -80,4 +80,13 @@ export const orderUtils = { const orderHashHex = `0x${orderHashBuff.toString('hex')}`; return orderHashHex; }, + createMatchOrders(signedOrderLeft: SignedOrder, signedOrderRight: SignedOrder) { + const fill = { + left: orderUtils.getOrderStruct(signedOrderLeft), + right: orderUtils.getOrderStruct(signedOrderRight), + leftSignature: signedOrderLeft.signature, + rightSignature: signedOrderRight.signature, + }; + return fill; + }, }; diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts index 234b14ef9..ce7fbcbe1 100644 --- a/packages/contracts/src/utils/types.ts +++ b/packages/contracts/src/utils/types.ts @@ -74,12 +74,27 @@ export interface Token { swarmHash: string; } -export enum ExchangeContractErrs { - ERROR_ORDER_EXPIRED, - ERROR_ORDER_FULLY_FILLED, - ERROR_ORDER_CANCELLED, - ERROR_ROUNDING_ERROR_TOO_LARGE, - ERROR_INSUFFICIENT_BALANCE_OR_ALLOWANCE, +export enum ExchangeStatus { + /// Default Status /// + INVALID, // General invalid status + + /// General Exchange Statuses /// + SUCCESS, // Indicates a successful operation + ROUNDING_ERROR_TOO_LARGE, // Rounding error too large + INSUFFICIENT_BALANCE_OR_ALLOWANCE, // Insufficient balance or allowance for token transfer + TAKER_ASSET_FILL_AMOUNT_TOO_LOW, // takerAssetFillAmount is <= 0 + INVALID_SIGNATURE, // Invalid signature + INVALID_SENDER, // Invalid sender + INVALID_TAKER, // Invalid taker + INVALID_MAKER, // Invalid maker + + /// Order State Statuses /// + ORDER_INVALID_MAKER_ASSET_AMOUNT, // Order does not have a valid maker asset amount + ORDER_INVALID_TAKER_ASSET_AMOUNT, // Order does not have a valid taker asset amount + ORDER_FILLABLE, // Order is fillable + ORDER_EXPIRED, // Order has already expired + ORDER_FULLY_FILLED, // Order is fully filled + ORDER_CANCELLED, // Order has been cancelled } export enum ContractName { @@ -143,3 +158,24 @@ export interface SignedTransaction { data: string; signature: string; } + +export interface TransferAmountsByMatchOrders { + // Left Maker + amountBoughtByLeftMaker: BigNumber; + amountSoldByLeftMaker: BigNumber; + amountReceivedByLeftMaker: BigNumber; + feePaidByLeftMaker: BigNumber; + // Right Maker + amountBoughtByRightMaker: BigNumber; + amountSoldByRightMaker: BigNumber; + amountReceivedByRightMaker: BigNumber; + feePaidByRightMaker: BigNumber; + // Taker + amountReceivedByTaker: BigNumber; + feePaidByTakerLeft: BigNumber; + feePaidByTakerRight: BigNumber; + totalFeePaidByTaker: BigNumber; + // Fee Recipients + feeReceivedLeft: BigNumber; + feeReceivedRight: BigNumber; +} -- cgit