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author | Amir Bandeali <abandeali1@gmail.com> | 2018-06-27 10:12:43 +0800 |
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committer | Amir Bandeali <abandeali1@gmail.com> | 2018-06-30 09:05:40 +0800 |
commit | 2fcc36bbadcb8238ee292afc58c2cd460d1b69da (patch) | |
tree | 235d3f2b361194a2e9ba41c4981a35daa99ac863 /packages/contracts/test/utils/order_utils.ts | |
parent | 762c0143eb10306ca70b0f206e80eb9aed925f99 (diff) | |
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Update file structure
Diffstat (limited to 'packages/contracts/test/utils/order_utils.ts')
-rw-r--r-- | packages/contracts/test/utils/order_utils.ts | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/packages/contracts/test/utils/order_utils.ts b/packages/contracts/test/utils/order_utils.ts new file mode 100644 index 000000000..019f6e74b --- /dev/null +++ b/packages/contracts/test/utils/order_utils.ts @@ -0,0 +1,58 @@ +import { OrderWithoutExchangeAddress, SignedOrder } from '@0xproject/types'; +import { BigNumber } from '@0xproject/utils'; + +import { constants } from './constants'; +import { CancelOrder, MatchOrder } from './types'; + +export const orderUtils = { + getPartialAmount(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber { + const partialAmount = numerator + .mul(target) + .div(denominator) + .floor(); + return partialAmount; + }, + createFill: (signedOrder: SignedOrder, takerAssetFillAmount?: BigNumber) => { + const fill = { + order: orderUtils.getOrderWithoutExchangeAddress(signedOrder), + takerAssetFillAmount: takerAssetFillAmount || signedOrder.takerAssetAmount, + signature: signedOrder.signature, + }; + return fill; + }, + createCancel(signedOrder: SignedOrder, takerAssetCancelAmount?: BigNumber): CancelOrder { + const cancel = { + order: orderUtils.getOrderWithoutExchangeAddress(signedOrder), + takerAssetCancelAmount: takerAssetCancelAmount || signedOrder.takerAssetAmount, + }; + return cancel; + }, + getOrderWithoutExchangeAddress(signedOrder: SignedOrder): OrderWithoutExchangeAddress { + const orderStruct = { + senderAddress: signedOrder.senderAddress, + makerAddress: signedOrder.makerAddress, + takerAddress: signedOrder.takerAddress, + feeRecipientAddress: signedOrder.feeRecipientAddress, + makerAssetAmount: signedOrder.makerAssetAmount, + takerAssetAmount: signedOrder.takerAssetAmount, + makerFee: signedOrder.makerFee, + takerFee: signedOrder.takerFee, + expirationTimeSeconds: signedOrder.expirationTimeSeconds, + salt: signedOrder.salt, + makerAssetData: signedOrder.makerAssetData, + takerAssetData: signedOrder.takerAssetData, + }; + return orderStruct; + }, + createMatchOrders(signedOrderLeft: SignedOrder, signedOrderRight: SignedOrder): MatchOrder { + const fill = { + left: orderUtils.getOrderWithoutExchangeAddress(signedOrderLeft), + right: orderUtils.getOrderWithoutExchangeAddress(signedOrderRight), + leftSignature: signedOrderLeft.signature, + rightSignature: signedOrderRight.signature, + }; + fill.right.makerAssetData = constants.NULL_BYTES; + fill.right.takerAssetData = constants.NULL_BYTES; + return fill; + }, +}; |