/*
This file is part of GNU Taler
(C) 2015-2020 Taler Systems SA
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.
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
TALER; see the file COPYING. If not, see
*/
/**
* Types used by clients of the wallet.
*
* These types are defined in a separate file make tree shaking easier, since
* some components use these types (via RPC) but do not depend on the wallet
* code directly.
*
* @author Florian Dold
*/
/**
* Imports.
*/
import {
AmountJson,
codecForAmountJson,
codecForAmountString,
} from "../util/amounts";
import * as LibtoolVersion from "../util/libtoolVersion";
import {
ExchangeRecord,
ExchangeWireInfo,
DenominationSelectionInfo,
} from "./dbTypes";
import { Timestamp } from "../util/time";
import {
buildCodecForObject,
codecForString,
codecOptional,
Codec,
codecForList,
codecForBoolean,
codecForConstString,
codecForAny,
buildCodecForUnion,
} from "../util/codec";
import { AmountString, codecForContractTerms, ContractTerms } from "./talerTypes";
/**
* Response for the create reserve request to the wallet.
*/
export class CreateReserveResponse {
/**
* Exchange URL where the bank should create the reserve.
* The URL is canonicalized in the response.
*/
exchange: string;
/**
* Reserve public key of the newly created reserve.
*/
reservePub: string;
}
/**
* Information about what will happen when creating a reserve.
*
* Sent to the wallet frontend to be rendered and shown to the user.
*/
export interface ExchangeWithdrawDetails {
/**
* Exchange that the reserve will be created at.
*/
exchangeInfo: ExchangeRecord;
/**
* Filtered wire info to send to the bank.
*/
exchangeWireAccounts: string[];
/**
* Selected denominations for withdraw.
*/
selectedDenoms: DenominationSelectionInfo;
/**
* Fees for withdraw.
*/
withdrawFee: AmountJson;
/**
* Remaining balance that is too small to be withdrawn.
*/
overhead: AmountJson;
/**
* Wire fees from the exchange.
*/
wireFees: ExchangeWireInfo;
/**
* Does the wallet know about an auditor for
* the exchange that the reserve.
*/
isAudited: boolean;
/**
* Did the user already accept the current terms of service for the exchange?
*/
termsOfServiceAccepted: boolean;
/**
* The exchange is trusted directly.
*/
isTrusted: boolean;
/**
* The earliest deposit expiration of the selected coins.
*/
earliestDepositExpiration: Timestamp;
/**
* Number of currently offered denominations.
*/
numOfferedDenoms: number;
/**
* Public keys of trusted auditors for the currency we're withdrawing.
*/
trustedAuditorPubs: string[];
/**
* Result of checking the wallet's version
* against the exchange's version.
*
* Older exchanges don't return version information.
*/
versionMatch: LibtoolVersion.VersionMatchResult | undefined;
/**
* Libtool-style version string for the exchange or "unknown"
* for older exchanges.
*/
exchangeVersion: string;
/**
* Libtool-style version string for the wallet.
*/
walletVersion: string;
}
export interface Balance {
available: AmountString;
pendingIncoming: AmountString;
pendingOutgoing: AmountString;
// Does the balance for this currency have a pending
// transaction?
hasPendingTransactions: boolean;
// Is there a pending transaction that would affect the balance
// and requires user input?
requiresUserInput: boolean;
}
export interface BalancesResponse {
balances: Balance[];
}
export const codecForBalance = (): Codec =>
buildCodecForObject()
.property("available", codecForString())
.property("hasPendingTransactions", codecForBoolean)
.property("pendingIncoming", codecForString())
.property("pendingOutgoing", codecForString())
.property("requiresUserInput", codecForBoolean)
.build("Balance");
export const codecForBalancesResponse = (): Codec =>
buildCodecForObject()
.property("balances", codecForList(codecForBalance()))
.build("BalancesResponse");
/**
* For terseness.
*/
export function mkAmount(
value: number,
fraction: number,
currency: string,
): AmountJson {
return { value, fraction, currency };
}
export const enum ConfirmPayResultType {
Done = "done",
Pending = "pending",
}
/**
* Result for confirmPay
*/
export interface ConfirmPayResultDone {
type: ConfirmPayResultType.Done;
contractTerms: ContractTerms;
}
export interface ConfirmPayResultPending {
type: ConfirmPayResultType.Pending;
lastError: TalerErrorDetails;
}
export type ConfirmPayResult = ConfirmPayResultDone | ConfirmPayResultPending;
export const codecForConfirmPayResultPending = (): Codec<
ConfirmPayResultPending
> =>
buildCodecForObject()
.property("lastError", codecForAny())
.property("type", codecForConstString(ConfirmPayResultType.Pending))
.build("ConfirmPayResultPending");
export const codecForConfirmPayResultDone = (): Codec =>
buildCodecForObject()
.property("type", codecForConstString(ConfirmPayResultType.Done))
.property("contractTerms", codecForContractTerms())
.build("ConfirmPayResultDone");
export const codecForConfirmPayResult = (): Codec =>
buildCodecForUnion()
.discriminateOn("type")
.alternative(
ConfirmPayResultType.Pending,
codecForConfirmPayResultPending(),
)
.alternative(ConfirmPayResultType.Done, codecForConfirmPayResultDone())
.build("ConfirmPayResult");
/**
* Information about all sender wire details known to the wallet,
* as well as exchanges that accept these wire types.
*/
export interface SenderWireInfos {
/**
* Mapping from exchange base url to list of accepted
* wire types.
*/
exchangeWireTypes: { [exchangeBaseUrl: string]: string[] };
/**
* Sender wire information stored in the wallet.
*/
senderWires: string[];
}
/**
* Request to create a reserve.
*/
export interface CreateReserveRequest {
/**
* The initial amount for the reserve.
*/
amount: AmountJson;
/**
* Exchange URL where the bank should create the reserve.
*/
exchange: string;
/**
* Payto URI that identifies the exchange's account that the funds
* for this reserve go into.
*/
exchangePaytoUri?: string;
/**
* Wire details (as a payto URI) for the bank account that sent the funds to
* the exchange.
*/
senderWire?: string;
/**
* URL to fetch the withdraw status from the bank.
*/
bankWithdrawStatusUrl?: string;
}
export const codecForCreateReserveRequest = (): Codec =>
buildCodecForObject()
.property("amount", codecForAmountJson())
.property("exchange", codecForString())
.property("exchangePaytoUri", codecForString())
.property("senderWire", codecOptional(codecForString()))
.property("bankWithdrawStatusUrl", codecOptional(codecForString()))
.build("CreateReserveRequest");
/**
* Request to mark a reserve as confirmed.
*/
export interface ConfirmReserveRequest {
/**
* Public key of then reserve that should be marked
* as confirmed.
*/
reservePub: string;
}
export const codecForConfirmReserveRequest = (): Codec =>
buildCodecForObject()
.property("reservePub", codecForString())
.build("ConfirmReserveRequest");
/**
* Wire coins to the user's own bank account.
*/
export class ReturnCoinsRequest {
/**
* The amount to wire.
*/
amount: AmountJson;
/**
* The exchange to take the coins from.
*/
exchange: string;
/**
* Wire details for the bank account of the customer that will
* receive the funds.
*/
senderWire?: string;
/**
* Verify that a value matches the schema of this class and convert it into a
* member.
*/
static checked: (obj: any) => ReturnCoinsRequest;
}
/**
* Status of processing a tip.
*/
export interface TipStatus {
accepted: boolean;
amount: AmountJson;
amountLeft: AmountJson;
nextUrl: string;
exchangeUrl: string;
tipId: string;
merchantTipId: string;
merchantOrigin: string;
expirationTimestamp: Timestamp;
timestamp: Timestamp;
totalFees: AmountJson;
}
export interface BenchmarkResult {
time: { [s: string]: number };
repetitions: number;
}
export const enum PreparePayResultType {
PaymentPossible = "payment-possible",
InsufficientBalance = "insufficient-balance",
AlreadyConfirmed = "already-confirmed",
}
export const codecForPreparePayResultPaymentPossible = (): Codec<
PreparePayResultPaymentPossible
> =>
buildCodecForObject()
.property("amountEffective", codecForAmountString())
.property("amountRaw", codecForAmountString())
.property("contractTerms", codecForContractTerms())
.property("proposalId", codecForString())
.property(
"status",
codecForConstString(PreparePayResultType.PaymentPossible),
)
.build("PreparePayResultPaymentPossible");
export const codecForPreparePayResultInsufficientBalance = (): Codec<
PreparePayResultInsufficientBalance
> =>
buildCodecForObject()
.property("amountRaw", codecForAmountString())
.property("contractTerms", codecForAny())
.property("proposalId", codecForString())
.property(
"status",
codecForConstString(PreparePayResultType.InsufficientBalance),
)
.build("PreparePayResultInsufficientBalance");
export const codecForPreparePayResultAlreadyConfirmed = (): Codec<
PreparePayResultAlreadyConfirmed
> =>
buildCodecForObject()
.property(
"status",
codecForConstString(PreparePayResultType.AlreadyConfirmed),
)
.property("amountEffective", codecForAmountString())
.property("amountRaw", codecForAmountString())
.property("paid", codecForBoolean)
.property("contractTerms", codecForAny())
.property("contractTermsHash", codecForString())
.build("PreparePayResultAlreadyConfirmed");
export const codecForPreparePayResult = (): Codec =>
buildCodecForUnion()
.discriminateOn("status")
.alternative(
PreparePayResultType.AlreadyConfirmed,
codecForPreparePayResultAlreadyConfirmed(),
)
.alternative(
PreparePayResultType.InsufficientBalance,
codecForPreparePayResultInsufficientBalance(),
)
.alternative(
PreparePayResultType.PaymentPossible,
codecForPreparePayResultPaymentPossible(),
)
.build("PreparePayResult");
export type PreparePayResult =
| PreparePayResultInsufficientBalance
| PreparePayResultAlreadyConfirmed
| PreparePayResultPaymentPossible;
export interface PreparePayResultPaymentPossible {
status: PreparePayResultType.PaymentPossible;
proposalId: string;
contractTerms: ContractTerms;
amountRaw: string;
amountEffective: string;
}
export interface PreparePayResultInsufficientBalance {
status: PreparePayResultType.InsufficientBalance;
proposalId: string;
contractTerms: ContractTerms;
amountRaw: string;
}
export interface PreparePayResultAlreadyConfirmed {
status: PreparePayResultType.AlreadyConfirmed;
contractTerms: ContractTerms;
paid: boolean;
amountRaw: string;
amountEffective: string;
contractTermsHash: string;
}
export interface BankWithdrawDetails {
selectionDone: boolean;
transferDone: boolean;
amount: AmountJson;
senderWire?: string;
suggestedExchange?: string;
confirmTransferUrl?: string;
wireTypes: string[];
extractedStatusUrl: string;
}
export interface AcceptWithdrawalResponse {
reservePub: string;
confirmTransferUrl?: string;
}
/**
* Details about a purchase, including refund status.
*/
export interface PurchaseDetails {
contractTerms: Record;
hasRefund: boolean;
totalRefundAmount: AmountJson;
totalRefundAndRefreshFees: AmountJson;
}
export interface WalletDiagnostics {
walletManifestVersion: string;
walletManifestDisplayVersion: string;
errors: string[];
firefoxIdbProblem: boolean;
dbOutdated: boolean;
}
export interface TalerErrorDetails {
code: number;
hint: string;
message: string;
details: unknown;
}
export interface PlanchetCreationResult {
coinPub: string;
coinPriv: string;
reservePub: string;
denomPubHash: string;
denomPub: string;
blindingKey: string;
withdrawSig: string;
coinEv: string;
coinValue: AmountJson;
coinEvHash: string;
}
export interface PlanchetCreationRequest {
value: AmountJson;
feeWithdraw: AmountJson;
denomPub: string;
reservePub: string;
reservePriv: string;
}
/**
* Reasons for why a coin is being refreshed.
*/
export const enum RefreshReason {
Manual = "manual",
Pay = "pay",
Refund = "refund",
AbortPay = "abort-pay",
Recoup = "recoup",
BackupRestored = "backup-restored",
}
/**
* Wrapper for coin public keys.
*/
export interface CoinPublicKey {
readonly coinPub: string;
}
/**
* Wrapper for refresh group IDs.
*/
export interface RefreshGroupId {
readonly refreshGroupId: string;
}
/**
* Private data required to make a deposit permission.
*/
export interface DepositInfo {
exchangeBaseUrl: string;
contractTermsHash: string;
coinPub: string;
coinPriv: string;
spendAmount: AmountJson;
timestamp: Timestamp;
refundDeadline: Timestamp;
merchantPub: string;
feeDeposit: AmountJson;
wireInfoHash: string;
denomPubHash: string;
denomSig: string;
}
export interface ExchangesListRespose {
exchanges: ExchangeListItem[];
}
export interface ExchangeListItem {
exchangeBaseUrl: string;
currency: string;
paytoUris: string[];
}
export const codecForExchangeListItem = (): Codec =>
buildCodecForObject()
.property("currency", codecForString())
.property("exchangeBaseUrl", codecForString())
.property("paytoUris", codecForList(codecForString()))
.build("ExchangeListItem");
export const codecForExchangesListResponse = (): Codec =>
buildCodecForObject()
.property("exchanges", codecForList(codecForExchangeListItem()))
.build("ExchangesListRespose");
export interface AcceptManualWithdrawalResult {
/**
* Payto URIs that can be used to fund the withdrawal.
*/
exchangePaytoUris: string[];
/**
* Public key of the newly created reserve.
*/
reservePub: string;
}
export interface ManualWithdrawalDetails {
/**
* Did the user accept the current version of the exchange's
* terms of service?
*/
tosAccepted: boolean;
/**
* Amount that the user will transfer to the exchange.
*/
amountRaw: AmountString;
/**
* Amount that will be added to the user's wallet balance.
*/
amountEffective: AmountString;
/**
* Ways to pay the exchange.
*/
paytoUris: string[];
}
export interface GetExchangeTosResult {
/**
* Markdown version of the current ToS.
*/
tos: string;
/**
* Version tag of the current ToS.
*/
currentEtag: string;
/**
* Version tag of the last ToS that the user has accepted,
* if any.
*/
acceptedEtag: string | undefined;
}
export interface TestPayArgs {
merchantBaseUrl: string;
merchantApiKey: string;
amount: string;
summary: string;
}
export const codecForTestPayArgs = (): Codec =>
buildCodecForObject()
.property("merchantBaseUrl", codecForString())
.property("merchantApiKey", codecForString())
.property("amount", codecForString())
.property("summary", codecForString())
.build("TestPayArgs");
export interface IntegrationTestArgs {
exchangeBaseUrl: string;
bankBaseUrl: string;
merchantBaseUrl: string;
merchantApiKey: string;
amountToWithdraw: string;
amountToSpend: string;
}
export const codecForIntegrationTestArgs = (): Codec =>
buildCodecForObject()
.property("exchangeBaseUrl", codecForString())
.property("bankBaseUrl", codecForString())
.property("merchantBaseUrl", codecForString())
.property("merchantApiKey", codecForString())
.property("amountToSpend", codecForAmountString())
.property("amountToWithdraw", codecForAmountString())
.build("IntegrationTestArgs");
export interface AddExchangeRequest {
exchangeBaseUrl: string;
}
export const codecForAddExchangeRequest = (): Codec =>
buildCodecForObject()
.property("exchangeBaseUrl", codecForString())
.build("AddExchangeRequest");
export interface GetExchangeTosRequest {
exchangeBaseUrl: string;
}
export const codecForGetExchangeTosRequest = (): Codec =>
buildCodecForObject()
.property("exchangeBaseUrl", codecForString())
.build("GetExchangeTosRequest");
export interface AcceptManualWithdrawalRequest {
exchangeBaseUrl: string;
amount: string;
}
export const codecForAcceptManualWithdrawalRequet = (): Codec<
AcceptManualWithdrawalRequest
> =>
buildCodecForObject()
.property("exchangeBaseUrl", codecForString())
.property("amount", codecForString())
.build("AcceptManualWithdrawalRequest");
export interface GetWithdrawalDetailsForAmountRequest {
exchangeBaseUrl: string;
amount: string;
}
export interface AcceptBankIntegratedWithdrawalRequest {
talerWithdrawUri: string;
exchangeBaseUrl: string;
}
export const codecForAcceptBankIntegratedWithdrawalRequest = (): Codec<
AcceptBankIntegratedWithdrawalRequest
> =>
buildCodecForObject()
.property("exchangeBaseUrl", codecForString())
.property("talerWithdrawUri", codecForString())
.build("AcceptBankIntegratedWithdrawalRequest");
export const codecForGetWithdrawalDetailsForAmountRequest = (): Codec<
GetWithdrawalDetailsForAmountRequest
> =>
buildCodecForObject()
.property("exchangeBaseUrl", codecForString())
.property("amount", codecForString())
.build("GetWithdrawalDetailsForAmountRequest");
export interface AcceptExchangeTosRequest {
exchangeBaseUrl: string;
etag: string;
}
export const codecForAcceptExchangeTosRequest = (): Codec<
AcceptExchangeTosRequest
> =>
buildCodecForObject()
.property("exchangeBaseUrl", codecForString())
.property("etag", codecForString())
.build("AcceptExchangeTosRequest");
export interface ApplyRefundRequest {
talerRefundUri: string;
}
export const codecForApplyRefundRequest = (): Codec =>
buildCodecForObject()
.property("talerRefundUri", codecForString())
.build("ApplyRefundRequest");
export interface GetWithdrawalDetailsForUriRequest {
talerWithdrawUri: string;
}
export const codecForGetWithdrawalDetailsForUri = (): Codec<
GetWithdrawalDetailsForUriRequest
> =>
buildCodecForObject()
.property("talerWithdrawUri", codecForString())
.build("GetWithdrawalDetailsForUriRequest");
export interface AbortProposalRequest {
proposalId: string;
}
export const codecForAbortProposalRequest = (): Codec =>
buildCodecForObject()
.property("proposalId", codecForString())
.build("AbortProposalRequest");
export interface PreparePayRequest {
talerPayUri: string;
}
export const codecForPreparePayRequest = (): Codec =>
buildCodecForObject()
.property("talerPayUri", codecForString())
.build("PreparePay");
export interface ConfirmPayRequest {
proposalId: string;
sessionId?: string;
}
export const codecForConfirmPayRequest = (): Codec =>
buildCodecForObject()
.property("proposalId", codecForString())
.property("sessionId", codecOptional(codecForString()))
.build("ConfirmPay");
export type CoreApiResponse = CoreApiResponseSuccess | CoreApiResponseError;
export type CoreApiEnvelope = CoreApiResponse | CoreApiNotification;
export interface CoreApiNotification {
type: "notification";
payload: unknown;
}
export interface CoreApiResponseSuccess {
// To distinguish the message from notifications
type: "response";
operation: string;
id: string;
result: unknown;
}
export interface CoreApiResponseError {
// To distinguish the message from notifications
type: "error";
operation: string;
id: string;
error: TalerErrorDetails;
}
export interface WithdrawTestBalanceRequest {
amount: string;
bankBaseUrl: string;
exchangeBaseUrl: string;
}
export const withdrawTestBalanceDefaults = {
amount: "TESTKUDOS:10",
bankBaseUrl: "https://bank.test.taler.net/",
exchangeBaseUrl: "https://exchange.test.taler.net/",
};
export const codecForWithdrawTestBalance = (): Codec =>
buildCodecForObject()
.property("amount", codecForString())
.property("bankBaseUrl", codecForString())
.property("exchangeBaseUrl", codecForString())
.build("WithdrawTestBalanceRequest");