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Diffstat (limited to 'contracts/protocol/test/utils/asset_wrapper.ts')
-rw-r--r-- | contracts/protocol/test/utils/asset_wrapper.ts | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/contracts/protocol/test/utils/asset_wrapper.ts b/contracts/protocol/test/utils/asset_wrapper.ts deleted file mode 100644 index e4090ad74..000000000 --- a/contracts/protocol/test/utils/asset_wrapper.ts +++ /dev/null @@ -1,222 +0,0 @@ -import { AbstractAssetWrapper, constants } from '@0x/contracts-test-utils'; -import { assetDataUtils } from '@0x/order-utils'; -import { AssetProxyId } from '@0x/types'; -import { BigNumber, errorUtils } from '@0x/utils'; -import * as _ from 'lodash'; - -import { ERC20Wrapper } from './erc20_wrapper'; -import { ERC721Wrapper } from './erc721_wrapper'; - -interface ProxyIdToAssetWrappers { - [proxyId: string]: AbstractAssetWrapper; -} - -/** - * This class abstracts away the differences between ERC20 and ERC721 tokens so that - * the logic that uses it does not need to care what standard a token belongs to. - */ -export class AssetWrapper { - private readonly _proxyIdToAssetWrappers: ProxyIdToAssetWrappers; - constructor(assetWrappers: AbstractAssetWrapper[]) { - this._proxyIdToAssetWrappers = {}; - _.each(assetWrappers, assetWrapper => { - const proxyId = assetWrapper.getProxyId(); - this._proxyIdToAssetWrappers[proxyId] = assetWrapper; - }); - } - public async getBalanceAsync(userAddress: string, assetData: string): Promise<BigNumber> { - const proxyId = assetDataUtils.decodeAssetProxyId(assetData); - switch (proxyId) { - case AssetProxyId.ERC20: { - const erc20Wrapper = this._proxyIdToAssetWrappers[proxyId] as ERC20Wrapper; - const balance = await erc20Wrapper.getBalanceAsync(userAddress, assetData); - return balance; - } - case AssetProxyId.ERC721: { - const assetWrapper = this._proxyIdToAssetWrappers[proxyId] as ERC721Wrapper; - const assetProxyData = assetDataUtils.decodeERC721AssetData(assetData); - const isOwner = await assetWrapper.isOwnerAsync( - userAddress, - assetProxyData.tokenAddress, - assetProxyData.tokenId, - ); - const balance = isOwner ? new BigNumber(1) : new BigNumber(0); - return balance; - } - default: - throw errorUtils.spawnSwitchErr('proxyId', proxyId); - } - } - public async setBalanceAsync(userAddress: string, assetData: string, desiredBalance: BigNumber): Promise<void> { - const proxyId = assetDataUtils.decodeAssetProxyId(assetData); - switch (proxyId) { - case AssetProxyId.ERC20: { - const erc20Wrapper = this._proxyIdToAssetWrappers[proxyId] as ERC20Wrapper; - await erc20Wrapper.setBalanceAsync(userAddress, assetData, desiredBalance); - return; - } - case AssetProxyId.ERC721: { - if (!desiredBalance.eq(0) && !desiredBalance.eq(1)) { - throw new Error(`Balance for ERC721 token can only be set to 0 or 1. Got: ${desiredBalance}`); - } - const erc721Wrapper = this._proxyIdToAssetWrappers[proxyId] as ERC721Wrapper; - const assetProxyData = assetDataUtils.decodeERC721AssetData(assetData); - const doesTokenExist = erc721Wrapper.doesTokenExistAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - ); - if (!doesTokenExist && desiredBalance.eq(1)) { - await erc721Wrapper.mintAsync(assetProxyData.tokenAddress, assetProxyData.tokenId, userAddress); - return; - } else if (!doesTokenExist && desiredBalance.eq(0)) { - return; // noop - } - const tokenOwner = await erc721Wrapper.ownerOfAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - ); - if (userAddress !== tokenOwner && desiredBalance.eq(1)) { - await erc721Wrapper.transferFromAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - tokenOwner, - userAddress, - ); - } else if (tokenOwner === userAddress && desiredBalance.eq(0)) { - // Transfer token to someone else - const userAddresses = await (erc721Wrapper as any)._web3Wrapper.getAvailableAddressesAsync(); - const nonOwner = _.find(userAddresses, a => a !== userAddress); - await erc721Wrapper.transferFromAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - tokenOwner, - nonOwner, - ); - return; - } else if ( - (userAddress !== tokenOwner && desiredBalance.eq(0)) || - (tokenOwner === userAddress && desiredBalance.eq(1)) - ) { - return; // noop - } - break; - } - default: - throw errorUtils.spawnSwitchErr('proxyId', proxyId); - } - } - public async getProxyAllowanceAsync(userAddress: string, assetData: string): Promise<BigNumber> { - const proxyId = assetDataUtils.decodeAssetProxyId(assetData); - switch (proxyId) { - case AssetProxyId.ERC20: { - const erc20Wrapper = this._proxyIdToAssetWrappers[proxyId] as ERC20Wrapper; - const allowance = await erc20Wrapper.getProxyAllowanceAsync(userAddress, assetData); - return allowance; - } - case AssetProxyId.ERC721: { - const assetWrapper = this._proxyIdToAssetWrappers[proxyId] as ERC721Wrapper; - const erc721ProxyData = assetDataUtils.decodeERC721AssetData(assetData); - const isProxyApprovedForAll = await assetWrapper.isProxyApprovedForAllAsync( - userAddress, - erc721ProxyData.tokenAddress, - ); - if (isProxyApprovedForAll) { - return constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS; - } - - const isProxyApproved = await assetWrapper.isProxyApprovedAsync( - erc721ProxyData.tokenAddress, - erc721ProxyData.tokenId, - ); - const allowance = isProxyApproved ? new BigNumber(1) : new BigNumber(0); - return allowance; - } - default: - throw errorUtils.spawnSwitchErr('proxyId', proxyId); - } - } - public async setProxyAllowanceAsync( - userAddress: string, - assetData: string, - desiredAllowance: BigNumber, - ): Promise<void> { - const proxyId = assetDataUtils.decodeAssetProxyId(assetData); - switch (proxyId) { - case AssetProxyId.ERC20: { - const erc20Wrapper = this._proxyIdToAssetWrappers[proxyId] as ERC20Wrapper; - await erc20Wrapper.setAllowanceAsync(userAddress, assetData, desiredAllowance); - return; - } - case AssetProxyId.ERC721: { - if ( - !desiredAllowance.eq(0) && - !desiredAllowance.eq(1) && - !desiredAllowance.eq(constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS) - ) { - throw new Error( - `Allowance for ERC721 token can only be set to 0, 1 or 2^256-1. Got: ${desiredAllowance}`, - ); - } - const erc721Wrapper = this._proxyIdToAssetWrappers[proxyId] as ERC721Wrapper; - const assetProxyData = assetDataUtils.decodeERC721AssetData(assetData); - - const doesTokenExist = await erc721Wrapper.doesTokenExistAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - ); - if (!doesTokenExist) { - throw new Error( - `Cannot setProxyAllowance on non-existent token: ${assetProxyData.tokenAddress} ${ - assetProxyData.tokenId - }`, - ); - } - const isProxyApprovedForAll = await erc721Wrapper.isProxyApprovedForAllAsync( - userAddress, - assetProxyData.tokenAddress, - ); - if (!isProxyApprovedForAll && desiredAllowance.eq(constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS)) { - const isApproved = true; - await erc721Wrapper.approveProxyForAllAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - isApproved, - ); - } else if (isProxyApprovedForAll && desiredAllowance.eq(0)) { - const isApproved = false; - await erc721Wrapper.approveProxyForAllAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - isApproved, - ); - } else if (isProxyApprovedForAll && desiredAllowance.eq(constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS)) { - return; // Noop - } - - const isProxyApproved = await erc721Wrapper.isProxyApprovedAsync( - assetProxyData.tokenAddress, - assetProxyData.tokenId, - ); - if (!isProxyApproved && desiredAllowance.eq(1)) { - await erc721Wrapper.approveProxyAsync(assetProxyData.tokenAddress, assetProxyData.tokenId); - } else if (isProxyApproved && desiredAllowance.eq(0)) { - // Remove approval - await erc721Wrapper.approveAsync( - constants.NULL_ADDRESS, - assetProxyData.tokenAddress, - assetProxyData.tokenId, - ); - } else if ( - (!isProxyApproved && desiredAllowance.eq(0)) || - (isProxyApproved && desiredAllowance.eq(1)) - ) { - return; // noop - } - - break; - } - default: - throw errorUtils.spawnSwitchErr('proxyId', proxyId); - } - } -} |