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-rw-r--r--packages/contract-wrappers/src/stores/balance_proxy_allowance_lazy_store.ts91
1 files changed, 0 insertions, 91 deletions
diff --git a/packages/contract-wrappers/src/stores/balance_proxy_allowance_lazy_store.ts b/packages/contract-wrappers/src/stores/balance_proxy_allowance_lazy_store.ts
deleted file mode 100644
index c0250ce7c..000000000
--- a/packages/contract-wrappers/src/stores/balance_proxy_allowance_lazy_store.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-import { BlockParamLiteral } from '@0xproject/types';
-import { BigNumber } from '@0xproject/utils';
-import * as _ from 'lodash';
-
-import { AbstractBalanceAndProxyAllowanceLazyStore } from '../abstract/abstract_balance_and_proxy_allowance_lazy_store';
-import { TokenWrapper } from '../contract_wrappers/token_wrapper';
-
-/**
- * Copy on read store for balances/proxyAllowances of tokens/accounts
- */
-export class BalanceAndProxyAllowanceLazyStore implements AbstractBalanceAndProxyAllowanceLazyStore {
- private _tokenWrapper: TokenWrapper;
- private _defaultBlock: BlockParamLiteral;
- private _balance: {
- [tokenAddress: string]: {
- [userAddress: string]: BigNumber;
- };
- };
- private _proxyAllowance: {
- [tokenAddress: string]: {
- [userAddress: string]: BigNumber;
- };
- };
- constructor(token: TokenWrapper, defaultBlock: BlockParamLiteral) {
- this._tokenWrapper = token;
- this._defaultBlock = defaultBlock;
- this._balance = {};
- this._proxyAllowance = {};
- }
- public async getBalanceAsync(tokenAddress: string, userAddress: string): Promise<BigNumber> {
- if (_.isUndefined(this._balance[tokenAddress]) || _.isUndefined(this._balance[tokenAddress][userAddress])) {
- const methodOpts = {
- defaultBlock: this._defaultBlock,
- };
- const balance = await this._tokenWrapper.getBalanceAsync(tokenAddress, userAddress, methodOpts);
- this.setBalance(tokenAddress, userAddress, balance);
- }
- const cachedBalance = this._balance[tokenAddress][userAddress];
- return cachedBalance;
- }
- public setBalance(tokenAddress: string, userAddress: string, balance: BigNumber): void {
- if (_.isUndefined(this._balance[tokenAddress])) {
- this._balance[tokenAddress] = {};
- }
- this._balance[tokenAddress][userAddress] = balance;
- }
- public deleteBalance(tokenAddress: string, userAddress: string): void {
- if (!_.isUndefined(this._balance[tokenAddress])) {
- delete this._balance[tokenAddress][userAddress];
- if (_.isEmpty(this._balance[tokenAddress])) {
- delete this._balance[tokenAddress];
- }
- }
- }
- public async getProxyAllowanceAsync(tokenAddress: string, userAddress: string): Promise<BigNumber> {
- if (
- _.isUndefined(this._proxyAllowance[tokenAddress]) ||
- _.isUndefined(this._proxyAllowance[tokenAddress][userAddress])
- ) {
- const methodOpts = {
- defaultBlock: this._defaultBlock,
- };
- const proxyAllowance = await this._tokenWrapper.getProxyAllowanceAsync(
- tokenAddress,
- userAddress,
- methodOpts,
- );
- this.setProxyAllowance(tokenAddress, userAddress, proxyAllowance);
- }
- const cachedProxyAllowance = this._proxyAllowance[tokenAddress][userAddress];
- return cachedProxyAllowance;
- }
- public setProxyAllowance(tokenAddress: string, userAddress: string, proxyAllowance: BigNumber): void {
- if (_.isUndefined(this._proxyAllowance[tokenAddress])) {
- this._proxyAllowance[tokenAddress] = {};
- }
- this._proxyAllowance[tokenAddress][userAddress] = proxyAllowance;
- }
- public deleteProxyAllowance(tokenAddress: string, userAddress: string): void {
- if (!_.isUndefined(this._proxyAllowance[tokenAddress])) {
- delete this._proxyAllowance[tokenAddress][userAddress];
- if (_.isEmpty(this._proxyAllowance[tokenAddress])) {
- delete this._proxyAllowance[tokenAddress];
- }
- }
- }
- public deleteAll(): void {
- this._balance = {};
- this._proxyAllowance = {};
- }
-}