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Diffstat (limited to 'packages/taler-wallet-core/src/types/transactions.ts')
-rw-r--r-- | packages/taler-wallet-core/src/types/transactions.ts | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/types/transactions.ts b/packages/taler-wallet-core/src/types/transactions.ts new file mode 100644 index 000000000..de378f51a --- /dev/null +++ b/packages/taler-wallet-core/src/types/transactions.ts @@ -0,0 +1,314 @@ +/* + This file is part of GNU Taler + (C) 2019 Taler Systems S.A. + + GNU Taler is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +/** + * Type and schema definitions for the wallet's transaction list. + * + * @author Florian Dold + * @author Torsten Grote + */ + +/** + * Imports. + */ +import { Timestamp } from "../util/time"; +import { AmountString, Product } from "./talerTypes"; +import { + Codec, + makeCodecForObject, + makeCodecOptional, + codecForString, +} from "../util/codec"; + +export interface TransactionsRequest { + /** + * return only transactions in the given currency + */ + currency?: string; + + /** + * if present, results will be limited to transactions related to the given search string + */ + search?: string; +} + +export interface TransactionsResponse { + // a list of past and pending transactions sorted by pending, timestamp and transactionId. + // In case two events are both pending and have the same timestamp, + // they are sorted by the transactionId + // (lexically ascending and locale-independent comparison). + transactions: Transaction[]; +} + +interface TransactionError { + /** + * TALER_EC_* unique error code. + * The action(s) offered and message displayed on the transaction item depend on this code. + */ + ec: number; + + /** + * English-only error hint, if available. + */ + hint?: string; + + /** + * Error details specific to "ec", if applicable/available + */ + details?: any; +} + +export interface TransactionCommon { + // opaque unique ID for the transaction, used as a starting point for paginating queries + // and for invoking actions on the transaction (e.g. deleting/hiding it from the history) + transactionId: string; + + // the type of the transaction; different types might provide additional information + type: TransactionType; + + // main timestamp of the transaction + timestamp: Timestamp; + + // true if the transaction is still pending, false otherwise + // If a transaction is not longer pending, its timestamp will be updated, + // but its transactionId will remain unchanged + pending: boolean; + + // Raw amount of the transaction (exclusive of fees or other extra costs) + amountRaw: AmountString; + + // Amount added or removed from the wallet's balance (including all fees and other costs) + amountEffective: AmountString; + + error?: TransactionError; +} + +export type Transaction = + | TransactionWithdrawal + | TransactionPayment + | TransactionRefund + | TransactionTip + | TransactionRefresh; + +export const enum TransactionType { + Withdrawal = "withdrawal", + Payment = "payment", + Refund = "refund", + Refresh = "refresh", + Tip = "tip", +} + +export const enum WithdrawalType { + TalerBankIntegrationApi = "taler-bank-integration-api", + ManualTransfer = "manual-transfer", +} + +export type WithdrawalDetails = + | WithdrawalDetailsForManualTransfer + | WithdrawalDetailsForTalerBankIntegrationApi; + +interface WithdrawalDetailsForManualTransfer { + type: WithdrawalType.ManualTransfer; + + /** + * Payto URIs that the exchange supports. + * + * Already contains the amount and message. + */ + exchangePaytoUris: string[]; +} + +interface WithdrawalDetailsForTalerBankIntegrationApi { + type: WithdrawalType.TalerBankIntegrationApi; + + /** + * Set to true if the bank has confirmed the withdrawal, false if not. + * An unconfirmed withdrawal usually requires user-input and should be highlighted in the UI. + * See also bankConfirmationUrl below. + */ + confirmed: boolean; + + /** + * If the withdrawal is unconfirmed, this can include a URL for user + * initiated confirmation. + */ + bankConfirmationUrl?: string; +} + +// This should only be used for actual withdrawals +// and not for tips that have their own transactions type. +interface TransactionWithdrawal extends TransactionCommon { + type: TransactionType.Withdrawal; + + /** + * Exchange of the withdrawal. + */ + exchangeBaseUrl: string; + + /** + * Amount that got subtracted from the reserve balance. + */ + amountRaw: AmountString; + + /** + * Amount that actually was (or will be) added to the wallet's balance. + */ + amountEffective: AmountString; + + withdrawalDetails: WithdrawalDetails; +} + +export const enum PaymentStatus { + /** + * Explicitly aborted after timeout / failure + */ + Aborted = "aborted", + + /** + * Payment failed, wallet will auto-retry. + * User should be given the option to retry now / abort. + */ + Failed = "failed", + + /** + * Paid successfully + */ + Paid = "paid", + + /** + * User accepted, payment is processing. + */ + Accepted = "accepted", +} + +export interface TransactionPayment extends TransactionCommon { + type: TransactionType.Payment; + + /** + * Additional information about the payment. + */ + info: PaymentShortInfo; + + /** + * How far did the wallet get with processing the payment? + */ + status: PaymentStatus; + + /** + * Amount that must be paid for the contract + */ + amountRaw: AmountString; + + /** + * Amount that was paid, including deposit, wire and refresh fees. + */ + amountEffective: AmountString; +} + +interface PaymentShortInfo { + /** + * Order ID, uniquely identifies the order within a merchant instance + */ + orderId: string; + + /** + * More information about the merchant + */ + merchant: any; + + /** + * Summary of the order, given by the merchant + */ + summary: string; + + /** + * Map from IETF BCP 47 language tags to localized summaries + */ + summary_i18n?: { [lang_tag: string]: string }; + + /** + * List of products that are part of the order + */ + products: Product[] | undefined; + + /** + * URL of the fulfillment, given by the merchant + */ + fulfillmentUrl: string; +} + +interface TransactionRefund extends TransactionCommon { + type: TransactionType.Refund; + + // ID for the transaction that is refunded + refundedTransactionId: string; + + // Additional information about the refunded payment + info: PaymentShortInfo; + + // Part of the refund that couldn't be applied because the refund permissions were expired + amountInvalid: AmountString; + + // Amount that has been refunded by the merchant + amountRaw: AmountString; + + // Amount will be added to the wallet's balance after fees and refreshing + amountEffective: AmountString; +} + +interface TransactionTip extends TransactionCommon { + type: TransactionType.Tip; + + // true if the user still needs to accept/decline this tip + waiting: boolean; + + // true if the user has accepted this top, false otherwise + accepted: boolean; + + // Exchange that the tip will be (or was) withdrawn from + exchangeBaseUrl: string; + + // More information about the merchant that sent the tip + merchant: any; + + // Raw amount of the tip, without extra fees that apply + amountRaw: AmountString; + + // Amount will be (or was) added to the wallet's balance after fees and refreshing + amountEffective: AmountString; +} + +// A transaction shown for refreshes that are not associated to other transactions +// such as a refresh necessary before coin expiration. +// It should only be returned by the API if the effective amount is different from zero. +interface TransactionRefresh extends TransactionCommon { + type: TransactionType.Refresh; + + // Exchange that the coins are refreshed with + exchangeBaseUrl: string; + + // Raw amount that is refreshed + amountRaw: AmountString; + + // Amount that will be paid as fees for the refresh + amountEffective: AmountString; +} + +export const codecForTransactionsRequest = (): Codec<TransactionsRequest> => + makeCodecForObject<TransactionsRequest>() + .property("currency", makeCodecOptional(codecForString)) + .property("search", makeCodecOptional(codecForString)) + .build("TransactionsRequest"); |