1 files changed, 0 insertions, 140 deletions
diff --git a/packages/order-utils/src/store/balance_and_proxy_allowance_lazy_store.ts b/packages/order-utils/src/store/balance_and_proxy_allowance_lazy_store.ts
deleted file mode 100644
index ae3e36238..000000000
--- a/packages/order-utils/src/store/balance_and_proxy_allowance_lazy_store.ts
+++ /dev/null
@@ -1,140 +0,0 @@
-import { AssetProxyId } from '@0x/types';
-import { BigNumber } from '@0x/utils';
-import * as _ from 'lodash';
-
-import { AbstractBalanceAndProxyAllowanceFetcher } from '../abstract/abstract_balance_and_proxy_allowance_fetcher';
-import { AbstractBalanceAndProxyAllowanceLazyStore } from '../abstract/abstract_balance_and_proxy_allowance_lazy_store';
-import { assetDataUtils } from '../asset_data_utils';
-
-/**
- * Copy on read store for balances/proxyAllowances of tokens/accounts
- */
-export class BalanceAndProxyAllowanceLazyStore implements AbstractBalanceAndProxyAllowanceLazyStore {
-    private readonly _balanceAndProxyAllowanceFetcher: AbstractBalanceAndProxyAllowanceFetcher;
-    private _balance: {
-        [assetData: string]: {
-            [userAddress: string]: BigNumber;
-        };
-    };
-    private _proxyAllowance: {
-        [assetData: string]: {
-            [userAddress: string]: BigNumber;
-        };
-    };
-    /**
-     * Instantiates a BalanceAndProxyAllowanceLazyStore
-     * @param balanceAndProxyAllowanceFetcher  Class the implements the AbstractBalanceAndProxyAllowanceFetcher
-     * @return Instance of BalanceAndProxyAllowanceLazyStore
-     */
-    constructor(balanceAndProxyAllowanceFetcher: AbstractBalanceAndProxyAllowanceFetcher) {
-        this._balanceAndProxyAllowanceFetcher = balanceAndProxyAllowanceFetcher;
-        this._balance = {};
-        this._proxyAllowance = {};
-    }
-    /**
-     * Get a users balance of an asset
-     * @param assetData AssetData of interest
-     * @param userAddress Ethereum address of interest
-     */
-    public async getBalanceAsync(assetData: string, userAddress: string): Promise<BigNumber> {
-        if (_.isUndefined(this._balance[assetData]) || _.isUndefined(this._balance[assetData][userAddress])) {
-            const balance = await this._balanceAndProxyAllowanceFetcher.getBalanceAsync(assetData, userAddress);
-            this.setBalance(assetData, userAddress, balance);
-        }
-        const cachedBalance = this._balance[assetData][userAddress];
-        return cachedBalance;
-    }
-    /**
-     * Set the balance of an asset for a user
-     * @param assetData AssetData of interest
-     * @param userAddress Ethereum address of interest
-     */
-    public setBalance(assetData: string, userAddress: string, balance: BigNumber): void {
-        if (_.isUndefined(this._balance[assetData])) {
-            this._balance[assetData] = {};
-        }
-        this._balance[assetData][userAddress] = balance;
-    }
-    /**
-     * Clear the balance of an asset for a user
-     * @param assetData AssetData of interest
-     * @param userAddress Ethereum address of interest
-     */
-    public deleteBalance(assetData: string, userAddress: string): void {
-        if (!_.isUndefined(this._balance[assetData])) {
-            delete this._balance[assetData][userAddress];
-            if (_.isEmpty(this._balance[assetData])) {
-                delete this._balance[assetData];
-            }
-        }
-    }
-    /**
-     * Get the 0x asset proxy allowance
-     * @param assetData AssetData of interest
-     * @param userAddress Ethereum address of interest
-     */
-    public async getProxyAllowanceAsync(assetData: string, userAddress: string): Promise<BigNumber> {
-        if (
-            _.isUndefined(this._proxyAllowance[assetData]) ||
-            _.isUndefined(this._proxyAllowance[assetData][userAddress])
-        ) {
-            const proxyAllowance = await this._balanceAndProxyAllowanceFetcher.getProxyAllowanceAsync(
-                assetData,
-                userAddress,
-            );
-            this.setProxyAllowance(assetData, userAddress, proxyAllowance);
-        }
-        const cachedProxyAllowance = this._proxyAllowance[assetData][userAddress];
-        return cachedProxyAllowance;
-    }
-    /**
-     * Set the 0x asset proxy allowance
-     * @param assetData AssetData of interest
-     * @param userAddress Ethereum address of interest
-     */
-    public setProxyAllowance(assetData: string, userAddress: string, proxyAllowance: BigNumber): void {
-        if (_.isUndefined(this._proxyAllowance[assetData])) {
-            this._proxyAllowance[assetData] = {};
-        }
-        this._proxyAllowance[assetData][userAddress] = proxyAllowance;
-    }
-    /**
-     * Clear the 0x asset proxy allowance
-     * @param assetData AssetData of interest
-     * @param userAddress Ethereum address of interest
-     */
-    public deleteProxyAllowance(assetData: string, userAddress: string): void {
-        if (!_.isUndefined(this._proxyAllowance[assetData])) {
-            delete this._proxyAllowance[assetData][userAddress];
-            if (_.isEmpty(this._proxyAllowance[assetData])) {
-                delete this._proxyAllowance[assetData];
-            }
-        }
-    }
-    /**
-     * Clear all ERC721 0x proxy allowances a user has on all items of a specific ERC721 contract
-     * @param tokenAddress ERc721 token address
-     * @param userAddress Owner Ethereum address
-     */
-    public deleteAllERC721ProxyAllowance(tokenAddress: string, userAddress: string): void {
-        for (const assetData in this._proxyAllowance) {
-            if (this._proxyAllowance.hasOwnProperty(assetData)) {
-                const decodedAssetData = assetDataUtils.decodeERC721AssetData(assetData);
-                if (
-                    decodedAssetData.assetProxyId === AssetProxyId.ERC721 &&
-                    decodedAssetData.tokenAddress === tokenAddress &&
-                    !_.isUndefined(this._proxyAllowance[assetData][userAddress])
-                ) {
-                    delete this._proxyAllowance[assetData][userAddress];
-                }
-            }
-        }
-    }
-    /**
-     * Delete all balances & allowances
-     */
-    public deleteAll(): void {
-        this._balance = {};
-        this._proxyAllowance = {};
-    }
-}