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authorFabio Berger <me@fabioberger.com>2018-01-30 20:21:01 +0800
committerFabio Berger <me@fabioberger.com>2018-01-30 20:21:01 +0800
commit93a5b3f457c1211676296840c285759007a55500 (patch)
treed1682b657c207f447748e08550095bafc79b6997 /packages/0x.js/src/utils/exchange_transfer_simulator.ts
parent4242176d291f54212797de9f5df80b1346724ebb (diff)
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Fix prettier
Diffstat (limited to 'packages/0x.js/src/utils/exchange_transfer_simulator.ts')
-rw-r--r--packages/0x.js/src/utils/exchange_transfer_simulator.ts182
1 files changed, 91 insertions, 91 deletions
diff --git a/packages/0x.js/src/utils/exchange_transfer_simulator.ts b/packages/0x.js/src/utils/exchange_transfer_simulator.ts
index 662cd210c..c9a2f87ce 100644
--- a/packages/0x.js/src/utils/exchange_transfer_simulator.ts
+++ b/packages/0x.js/src/utils/exchange_transfer_simulator.ts
@@ -6,101 +6,101 @@ import { BalanceAndProxyAllowanceLazyStore } from '../stores/balance_proxy_allow
import { BlockParamLiteral, ExchangeContractErrs, TradeSide, TransferType } from '../types';
enum FailureReason {
- Balance = 'balance',
- ProxyAllowance = 'proxyAllowance',
+ Balance = 'balance',
+ ProxyAllowance = 'proxyAllowance',
}
const ERR_MSG_MAPPING = {
- [FailureReason.Balance]: {
- [TradeSide.Maker]: {
- [TransferType.Trade]: ExchangeContractErrs.InsufficientMakerBalance,
- [TransferType.Fee]: ExchangeContractErrs.InsufficientMakerFeeBalance,
- },
- [TradeSide.Taker]: {
- [TransferType.Trade]: ExchangeContractErrs.InsufficientTakerBalance,
- [TransferType.Fee]: ExchangeContractErrs.InsufficientTakerFeeBalance,
- },
- },
- [FailureReason.ProxyAllowance]: {
- [TradeSide.Maker]: {
- [TransferType.Trade]: ExchangeContractErrs.InsufficientMakerAllowance,
- [TransferType.Fee]: ExchangeContractErrs.InsufficientMakerFeeAllowance,
- },
- [TradeSide.Taker]: {
- [TransferType.Trade]: ExchangeContractErrs.InsufficientTakerAllowance,
- [TransferType.Fee]: ExchangeContractErrs.InsufficientTakerFeeAllowance,
- },
- },
+ [FailureReason.Balance]: {
+ [TradeSide.Maker]: {
+ [TransferType.Trade]: ExchangeContractErrs.InsufficientMakerBalance,
+ [TransferType.Fee]: ExchangeContractErrs.InsufficientMakerFeeBalance,
+ },
+ [TradeSide.Taker]: {
+ [TransferType.Trade]: ExchangeContractErrs.InsufficientTakerBalance,
+ [TransferType.Fee]: ExchangeContractErrs.InsufficientTakerFeeBalance,
+ },
+ },
+ [FailureReason.ProxyAllowance]: {
+ [TradeSide.Maker]: {
+ [TransferType.Trade]: ExchangeContractErrs.InsufficientMakerAllowance,
+ [TransferType.Fee]: ExchangeContractErrs.InsufficientMakerFeeAllowance,
+ },
+ [TradeSide.Taker]: {
+ [TransferType.Trade]: ExchangeContractErrs.InsufficientTakerAllowance,
+ [TransferType.Fee]: ExchangeContractErrs.InsufficientTakerFeeAllowance,
+ },
+ },
};
export class ExchangeTransferSimulator {
- private _store: BalanceAndProxyAllowanceLazyStore;
- private _UNLIMITED_ALLOWANCE_IN_BASE_UNITS: BigNumber;
- private static _throwValidationError(
- failureReason: FailureReason,
- tradeSide: TradeSide,
- transferType: TransferType,
- ): never {
- const errMsg = ERR_MSG_MAPPING[failureReason][tradeSide][transferType];
- throw new Error(errMsg);
- }
- constructor(token: TokenWrapper, defaultBlock: BlockParamLiteral) {
- this._store = new BalanceAndProxyAllowanceLazyStore(token, defaultBlock);
- this._UNLIMITED_ALLOWANCE_IN_BASE_UNITS = token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
- }
- /**
- * Simulates transferFrom call performed by a proxy
- * @param tokenAddress Address of the token to be transferred
- * @param from Owner of the transferred tokens
- * @param to Recipient of the transferred tokens
- * @param amountInBaseUnits The amount of tokens being transferred
- * @param tradeSide Is Maker/Taker transferring
- * @param transferType Is it a fee payment or a value transfer
- */
- public async transferFromAsync(
- tokenAddress: string,
- from: string,
- to: string,
- amountInBaseUnits: BigNumber,
- tradeSide: TradeSide,
- transferType: TransferType,
- ): Promise<void> {
- const balance = await this._store.getBalanceAsync(tokenAddress, from);
- const proxyAllowance = await this._store.getProxyAllowanceAsync(tokenAddress, from);
- if (proxyAllowance.lessThan(amountInBaseUnits)) {
- ExchangeTransferSimulator._throwValidationError(FailureReason.ProxyAllowance, tradeSide, transferType);
- }
- if (balance.lessThan(amountInBaseUnits)) {
- ExchangeTransferSimulator._throwValidationError(FailureReason.Balance, tradeSide, transferType);
- }
- await this._decreaseProxyAllowanceAsync(tokenAddress, from, amountInBaseUnits);
- await this._decreaseBalanceAsync(tokenAddress, from, amountInBaseUnits);
- await this._increaseBalanceAsync(tokenAddress, to, amountInBaseUnits);
- }
- private async _decreaseProxyAllowanceAsync(
- tokenAddress: string,
- userAddress: string,
- amountInBaseUnits: BigNumber,
- ): Promise<void> {
- const proxyAllowance = await this._store.getProxyAllowanceAsync(tokenAddress, userAddress);
- if (!proxyAllowance.eq(this._UNLIMITED_ALLOWANCE_IN_BASE_UNITS)) {
- this._store.setProxyAllowance(tokenAddress, userAddress, proxyAllowance.minus(amountInBaseUnits));
- }
- }
- private async _increaseBalanceAsync(
- tokenAddress: string,
- userAddress: string,
- amountInBaseUnits: BigNumber,
- ): Promise<void> {
- const balance = await this._store.getBalanceAsync(tokenAddress, userAddress);
- this._store.setBalance(tokenAddress, userAddress, balance.plus(amountInBaseUnits));
- }
- private async _decreaseBalanceAsync(
- tokenAddress: string,
- userAddress: string,
- amountInBaseUnits: BigNumber,
- ): Promise<void> {
- const balance = await this._store.getBalanceAsync(tokenAddress, userAddress);
- this._store.setBalance(tokenAddress, userAddress, balance.minus(amountInBaseUnits));
- }
+ private _store: BalanceAndProxyAllowanceLazyStore;
+ private _UNLIMITED_ALLOWANCE_IN_BASE_UNITS: BigNumber;
+ private static _throwValidationError(
+ failureReason: FailureReason,
+ tradeSide: TradeSide,
+ transferType: TransferType,
+ ): never {
+ const errMsg = ERR_MSG_MAPPING[failureReason][tradeSide][transferType];
+ throw new Error(errMsg);
+ }
+ constructor(token: TokenWrapper, defaultBlock: BlockParamLiteral) {
+ this._store = new BalanceAndProxyAllowanceLazyStore(token, defaultBlock);
+ this._UNLIMITED_ALLOWANCE_IN_BASE_UNITS = token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
+ }
+ /**
+ * Simulates transferFrom call performed by a proxy
+ * @param tokenAddress Address of the token to be transferred
+ * @param from Owner of the transferred tokens
+ * @param to Recipient of the transferred tokens
+ * @param amountInBaseUnits The amount of tokens being transferred
+ * @param tradeSide Is Maker/Taker transferring
+ * @param transferType Is it a fee payment or a value transfer
+ */
+ public async transferFromAsync(
+ tokenAddress: string,
+ from: string,
+ to: string,
+ amountInBaseUnits: BigNumber,
+ tradeSide: TradeSide,
+ transferType: TransferType,
+ ): Promise<void> {
+ const balance = await this._store.getBalanceAsync(tokenAddress, from);
+ const proxyAllowance = await this._store.getProxyAllowanceAsync(tokenAddress, from);
+ if (proxyAllowance.lessThan(amountInBaseUnits)) {
+ ExchangeTransferSimulator._throwValidationError(FailureReason.ProxyAllowance, tradeSide, transferType);
+ }
+ if (balance.lessThan(amountInBaseUnits)) {
+ ExchangeTransferSimulator._throwValidationError(FailureReason.Balance, tradeSide, transferType);
+ }
+ await this._decreaseProxyAllowanceAsync(tokenAddress, from, amountInBaseUnits);
+ await this._decreaseBalanceAsync(tokenAddress, from, amountInBaseUnits);
+ await this._increaseBalanceAsync(tokenAddress, to, amountInBaseUnits);
+ }
+ private async _decreaseProxyAllowanceAsync(
+ tokenAddress: string,
+ userAddress: string,
+ amountInBaseUnits: BigNumber,
+ ): Promise<void> {
+ const proxyAllowance = await this._store.getProxyAllowanceAsync(tokenAddress, userAddress);
+ if (!proxyAllowance.eq(this._UNLIMITED_ALLOWANCE_IN_BASE_UNITS)) {
+ this._store.setProxyAllowance(tokenAddress, userAddress, proxyAllowance.minus(amountInBaseUnits));
+ }
+ }
+ private async _increaseBalanceAsync(
+ tokenAddress: string,
+ userAddress: string,
+ amountInBaseUnits: BigNumber,
+ ): Promise<void> {
+ const balance = await this._store.getBalanceAsync(tokenAddress, userAddress);
+ this._store.setBalance(tokenAddress, userAddress, balance.plus(amountInBaseUnits));
+ }
+ private async _decreaseBalanceAsync(
+ tokenAddress: string,
+ userAddress: string,
+ amountInBaseUnits: BigNumber,
+ ): Promise<void> {
+ const balance = await this._store.getBalanceAsync(tokenAddress, userAddress);
+ this._store.setBalance(tokenAddress, userAddress, balance.minus(amountInBaseUnits));
+ }
}