implement payment aborts with integration test

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Florian Dold 2020-09-09 02:18:03 +05:30
parent 68ca4600e0
commit 67df550b4f
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12 changed files with 405 additions and 120 deletions

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@ -80,7 +80,7 @@ export class FaultProxy {
start() {
const server = http.createServer((req, res) => {
const requestChunks: Buffer[] = [];
const requestUrl = `http://locahost:${this.faultProxyConfig.inboundPort}${req.url}`;
const requestUrl = `http://localhost:${this.faultProxyConfig.inboundPort}${req.url}`;
console.log("request for", new URL(requestUrl));
req.on("data", (chunk) => {
requestChunks.push(chunk);

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@ -76,6 +76,7 @@ import {
PrepareTipRequest,
codecForPrepareTipResult,
AcceptTipRequest,
AbortPayWithRefundRequest,
} from "taler-wallet-core";
import { URL } from "url";
import axios, { AxiosError } from "axios";
@ -1538,6 +1539,15 @@ export class WalletCli {
throw new OperationFailedError(resp.error);
}
async abortFailedPayWithRefund(req: AbortPayWithRefundRequest): Promise<void> {
const resp = await this.apiRequest("abortFailedPayWithRefund", req);
if (resp.type === "response") {
return;
}
throw new OperationFailedError(resp.error);
}
async confirmPay(req: ConfirmPayRequest): Promise<ConfirmPayResult> {
const resp = await this.apiRequest("confirmPay", req);
if (resp.type === "response") {

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@ -36,6 +36,7 @@ import {
BankApi,
BankAccessApi,
MerchantPrivateApi,
ExchangeServiceInterface,
} from "./harness";
import {
AmountString,
@ -233,7 +234,7 @@ export async function startWithdrawViaBank(
p: {
wallet: WalletCli;
bank: BankService;
exchange: ExchangeService;
exchange: ExchangeServiceInterface;
amount: AmountString;
},
): Promise<void> {
@ -272,7 +273,7 @@ export async function withdrawViaBank(
p: {
wallet: WalletCli;
bank: BankService;
exchange: ExchangeService;
exchange: ExchangeServiceInterface;
amount: AmountString;
},
): Promise<void> {

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@ -21,7 +21,6 @@ import {
runTest,
GlobalTestState,
MerchantPrivateApi,
BankAccessApi,
BankApi,
} from "./harness";
import { createSimpleTestkudosEnvironment, withdrawViaBank } from "./helpers";

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@ -35,6 +35,7 @@ import {
CoinRecord,
DenominationRecord,
PayCoinSelection,
AbortStatus,
} from "../types/dbTypes";
import { NotificationType } from "../types/notifications";
import {
@ -77,7 +78,11 @@ import {
} from "../util/http";
import { TalerErrorCode } from "../TalerErrorCode";
import { URL } from "../util/url";
import { initRetryInfo, updateRetryInfoTimeout, getRetryDuration } from "../util/retries";
import {
initRetryInfo,
updateRetryInfoTimeout,
getRetryDuration,
} from "../util/retries";
/**
* Logger.
@ -111,7 +116,6 @@ export interface AvailableCoinInfo {
feeDeposit: AmountJson;
}
/**
* Compute the total cost of a payment to the customer.
*
@ -429,8 +433,7 @@ async function recordConfirmPay(
logger.trace(`recording payment with session ID ${sessionId}`);
const payCostInfo = await getTotalPaymentCost(ws, coinSelection);
const t: PurchaseRecord = {
abortDone: false,
abortRequested: false,
abortStatus: AbortStatus.None,
contractTermsRaw: d.contractTermsRaw,
contractData: d.contractData,
lastSessionId: sessionId,
@ -444,7 +447,7 @@ async function recordConfirmPay(
lastRefundStatusError: undefined,
payRetryInfo: initRetryInfo(),
refundStatusRetryInfo: initRetryInfo(),
refundStatusRequested: false,
refundQueryRequested: false,
timestampFirstSuccessfulPay: undefined,
autoRefundDeadline: undefined,
paymentSubmitPending: true,
@ -522,6 +525,10 @@ async function incrementProposalRetry(
}
}
/**
* FIXME: currently pay operations aren't ever automatically retried.
* But we still keep a payRetryInfo around in the database.
*/
async function incrementPurchasePayRetry(
ws: InternalWalletState,
proposalId: string,
@ -579,7 +586,10 @@ function getProposalRequestTimeout(proposal: ProposalRecord): Duration {
}
function getPayRequestTimeout(purchase: PurchaseRecord): Duration {
return durationMul({ d_ms: 5000 }, 1 + purchase.payCoinSelection.coinPubs.length / 20);
return durationMul(
{ d_ms: 5000 },
1 + purchase.payCoinSelection.coinPubs.length / 20,
);
}
async function processDownloadProposalImpl(
@ -794,40 +804,37 @@ async function storeFirstPaySuccess(
paySig: string,
): Promise<void> {
const now = getTimestampNow();
await ws.db.runWithWriteTransaction(
[Stores.purchases],
async (tx) => {
const purchase = await tx.get(Stores.purchases, proposalId);
await ws.db.runWithWriteTransaction([Stores.purchases], async (tx) => {
const purchase = await tx.get(Stores.purchases, proposalId);
if (!purchase) {
logger.warn("purchase does not exist anymore");
return;
}
const isFirst = purchase.timestampFirstSuccessfulPay === undefined;
if (!isFirst) {
logger.warn("payment success already stored");
return;
}
purchase.timestampFirstSuccessfulPay = now;
purchase.paymentSubmitPending = false;
purchase.lastPayError = undefined;
purchase.lastSessionId = sessionId;
purchase.payRetryInfo = initRetryInfo(false);
purchase.merchantPaySig = paySig;
if (isFirst) {
const ar = purchase.contractData.autoRefund;
if (ar) {
logger.info("auto_refund present");
purchase.refundStatusRequested = true;
purchase.refundStatusRetryInfo = initRetryInfo();
purchase.lastRefundStatusError = undefined;
purchase.autoRefundDeadline = timestampAddDuration(now, ar);
}
if (!purchase) {
logger.warn("purchase does not exist anymore");
return;
}
const isFirst = purchase.timestampFirstSuccessfulPay === undefined;
if (!isFirst) {
logger.warn("payment success already stored");
return;
}
purchase.timestampFirstSuccessfulPay = now;
purchase.paymentSubmitPending = false;
purchase.lastPayError = undefined;
purchase.lastSessionId = sessionId;
purchase.payRetryInfo = initRetryInfo(false);
purchase.merchantPaySig = paySig;
if (isFirst) {
const ar = purchase.contractData.autoRefund;
if (ar) {
logger.info("auto_refund present");
purchase.refundQueryRequested = true;
purchase.refundStatusRetryInfo = initRetryInfo();
purchase.lastRefundStatusError = undefined;
purchase.autoRefundDeadline = timestampAddDuration(now, ar);
}
}
await tx.put(Stores.purchases, purchase);
},
);
await tx.put(Stores.purchases, purchase);
});
}
async function storePayReplaySuccess(
@ -835,26 +842,23 @@ async function storePayReplaySuccess(
proposalId: string,
sessionId: string | undefined,
): Promise<void> {
await ws.db.runWithWriteTransaction(
[Stores.purchases],
async (tx) => {
const purchase = await tx.get(Stores.purchases, proposalId);
await ws.db.runWithWriteTransaction([Stores.purchases], async (tx) => {
const purchase = await tx.get(Stores.purchases, proposalId);
if (!purchase) {
logger.warn("purchase does not exist anymore");
return;
}
const isFirst = purchase.timestampFirstSuccessfulPay === undefined;
if (isFirst) {
throw Error("invalid payment state");
}
purchase.paymentSubmitPending = false;
purchase.lastPayError = undefined;
purchase.payRetryInfo = initRetryInfo(false);
purchase.lastSessionId = sessionId;
await tx.put(Stores.purchases, purchase);
},
);
if (!purchase) {
logger.warn("purchase does not exist anymore");
return;
}
const isFirst = purchase.timestampFirstSuccessfulPay === undefined;
if (isFirst) {
throw Error("invalid payment state");
}
purchase.paymentSubmitPending = false;
purchase.lastPayError = undefined;
purchase.payRetryInfo = initRetryInfo(false);
purchase.lastSessionId = sessionId;
await tx.put(Stores.purchases, purchase);
});
}
/**
@ -863,7 +867,7 @@ async function storePayReplaySuccess(
* If the wallet has previously paid, it just transmits the merchant's
* own signature certifying that the wallet has previously paid.
*/
export async function submitPay(
async function submitPay(
ws: InternalWalletState,
proposalId: string,
): Promise<ConfirmPayResult> {
@ -871,7 +875,7 @@ export async function submitPay(
if (!purchase) {
throw Error("Purchase not found: " + proposalId);
}
if (purchase.abortRequested) {
if (purchase.abortStatus !== AbortStatus.None) {
throw Error("not submitting payment for aborted purchase");
}
const sessionId = purchase.lastSessionId;
@ -1047,7 +1051,11 @@ export async function preparePayForUri(
p.lastSessionId = uriResult.sessionId;
await tx.put(Stores.purchases, p);
});
const r = await submitPay(ws, proposalId);
const r = await guardOperationException(
() => submitPay(ws, proposalId),
(e: TalerErrorDetails): Promise<void> =>
incrementPurchasePayRetry(ws, proposalId, e),
);
if (r.type !== ConfirmPayResultType.Done) {
throw Error("submitting pay failed");
}
@ -1125,7 +1133,11 @@ export async function confirmPay(
});
}
logger.trace("confirmPay: submitting payment for existing purchase");
return submitPay(ws, proposalId);
return await guardOperationException(
() => submitPay(ws, proposalId),
(e: TalerErrorDetails): Promise<void> =>
incrementPurchasePayRetry(ws, proposalId, e),
);
}
logger.trace("confirmPay: purchase record does not exist yet");
@ -1179,7 +1191,11 @@ export async function confirmPay(
sessionIdOverride,
);
return submitPay(ws, proposalId);
return await guardOperationException(
() => submitPay(ws, proposalId),
(e: TalerErrorDetails): Promise<void> =>
incrementPurchasePayRetry(ws, proposalId, e),
);
}
export async function processPurchasePay(

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@ -22,6 +22,7 @@ import {
ProposalStatus,
ReserveRecordStatus,
Stores,
AbortStatus,
} from "../types/dbTypes";
import {
PendingOperationsResponse,
@ -381,7 +382,7 @@ async function gatherPurchasePending(
onlyDue = false,
): Promise<void> {
await tx.iter(Stores.purchases).forEach((pr) => {
if (pr.paymentSubmitPending) {
if (pr.paymentSubmitPending && pr.abortStatus === AbortStatus.None) {
resp.nextRetryDelay = updateRetryDelay(
resp.nextRetryDelay,
now,
@ -398,7 +399,7 @@ async function gatherPurchasePending(
});
}
}
if (pr.refundStatusRequested) {
if (pr.refundQueryRequested) {
resp.nextRetryDelay = updateRetryDelay(
resp.nextRetryDelay,
now,

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@ -36,6 +36,7 @@ import {
RefundReason,
RefundState,
PurchaseRecord,
AbortStatus,
} from "../types/dbTypes";
import { NotificationType } from "../types/notifications";
import { parseRefundUri } from "../util/taleruri";
@ -46,14 +47,25 @@ import {
MerchantCoinRefundSuccessStatus,
MerchantCoinRefundFailureStatus,
codecForMerchantOrderRefundPickupResponse,
AbortRequest,
AbortingCoin,
codecForMerchantAbortPayRefundStatus,
codecForAbortResponse,
} from "../types/talerTypes";
import { guardOperationException } from "./errors";
import { getTimestampNow, Timestamp } from "../util/time";
import {
getTimestampNow,
Timestamp,
durationAdd,
timestampAddDuration,
} from "../util/time";
import { Logger } from "../util/logging";
import { readSuccessResponseJsonOrThrow } from "../util/http";
import { TransactionHandle } from "../util/query";
import { URL } from "../util/url";
import { updateRetryInfoTimeout, initRetryInfo } from "../util/retries";
import { checkDbInvariant } from "../util/invariants";
import { TalerErrorCode } from "../TalerErrorCode";
const logger = new Logger("refund.ts");
@ -101,7 +113,7 @@ async function applySuccessfulRefund(
const refundKey = getRefundKey(r);
const coin = await tx.get(Stores.coins, r.coin_pub);
if (!coin) {
console.warn("coin not found, can't apply refund");
logger.warn("coin not found, can't apply refund");
return;
}
const denom = await tx.get(Stores.denominations, [
@ -158,7 +170,7 @@ async function storePendingRefund(
const coin = await tx.get(Stores.coins, r.coin_pub);
if (!coin) {
console.warn("coin not found, can't apply refund");
logger.warn("coin not found, can't apply refund");
return;
}
const denom = await tx.get(Stores.denominations, [
@ -202,13 +214,14 @@ async function storePendingRefund(
async function storeFailedRefund(
tx: TransactionHandle,
p: PurchaseRecord,
refreshCoinsMap: Record<string, { coinPub: string }>,
r: MerchantCoinRefundFailureStatus,
): Promise<void> {
const refundKey = getRefundKey(r);
const coin = await tx.get(Stores.coins, r.coin_pub);
if (!coin) {
console.warn("coin not found, can't apply refund");
logger.warn("coin not found, can't apply refund");
return;
}
const denom = await tx.get(Stores.denominations, [
@ -247,6 +260,38 @@ async function storeFailedRefund(
refundFee: denom.feeRefund,
totalRefreshCostBound,
};
if (p.abortStatus === AbortStatus.AbortRefund) {
// Refund failed because the merchant didn't even try to deposit
// the coin yet, so we try to refresh.
if (r.exchange_code === TalerErrorCode.REFUND_DEPOSIT_NOT_FOUND) {
const coin = await tx.get(Stores.coins, r.coin_pub);
if (!coin) {
logger.warn("coin not found, can't apply refund");
return;
}
const denom = await tx.get(Stores.denominations, [
coin.exchangeBaseUrl,
coin.denomPubHash,
]);
if (!denom) {
logger.warn("denomination for coin missing");
return;
}
let contrib: AmountJson | undefined;
for (let i = 0; i < p.payCoinSelection.coinPubs.length; i++) {
if (p.payCoinSelection.coinPubs[i] === r.coin_pub) {
contrib = p.payCoinSelection.coinContributions[i];
}
}
if (contrib) {
coin.currentAmount = Amounts.add(coin.currentAmount, contrib).amount;
coin.currentAmount = Amounts.sub(coin.currentAmount, denom.feeRefund).amount;
}
refreshCoinsMap[coin.coinPub] = { coinPub: coin.coinPub };
await tx.put(Stores.coins, coin);
}
}
}
async function acceptRefunds(
@ -268,7 +313,7 @@ async function acceptRefunds(
async (tx) => {
const p = await tx.get(Stores.purchases, proposalId);
if (!p) {
console.error("purchase not found, not adding refunds");
logger.error("purchase not found, not adding refunds");
return;
}
@ -280,7 +325,7 @@ async function acceptRefunds(
const isPermanentFailure =
refundStatus.type === "failure" &&
refundStatus.exchange_status === 410;
refundStatus.exchange_status >= 400 && refundStatus.exchange_status < 500 ;
// Already failed.
if (existingRefundInfo?.type === RefundState.Failed) {
@ -306,7 +351,7 @@ async function acceptRefunds(
if (refundStatus.type === "success") {
await applySuccessfulRefund(tx, p, refreshCoinsMap, refundStatus);
} else if (isPermanentFailure) {
await storeFailedRefund(tx, p, refundStatus);
await storeFailedRefund(tx, p, refreshCoinsMap, refundStatus);
} else {
await storePendingRefund(tx, p, refundStatus);
}
@ -326,7 +371,11 @@ async function acceptRefunds(
// after a retry delay?
let queryDone = true;
if (p.autoRefundDeadline && p.autoRefundDeadline.t_ms > now.t_ms) {
if (
p.timestampFirstSuccessfulPay &&
p.autoRefundDeadline &&
p.autoRefundDeadline.t_ms > now.t_ms
) {
queryDone = false;
}
@ -347,7 +396,10 @@ async function acceptRefunds(
p.timestampLastRefundStatus = now;
p.lastRefundStatusError = undefined;
p.refundStatusRetryInfo = initRetryInfo(false);
p.refundStatusRequested = false;
p.refundQueryRequested = false;
if (p.abortStatus === AbortStatus.AbortRefund) {
p.abortStatus = AbortStatus.AbortFinished;
}
logger.trace("refund query done");
} else {
// No error, but we need to try again!
@ -415,7 +467,7 @@ export async function applyRefund(
logger.error("no purchase found for refund URL");
return false;
}
p.refundStatusRequested = true;
p.refundQueryRequested = true;
p.lastRefundStatusError = undefined;
p.refundStatusRetryInfo = initRetryInfo();
await tx.put(Stores.purchases, p);
@ -516,32 +568,121 @@ async function processPurchaseQueryRefundImpl(
return;
}
if (!purchase.refundStatusRequested) {
if (!purchase.refundQueryRequested) {
return;
}
const requestUrl = new URL(
`orders/${purchase.contractData.orderId}/refund`,
purchase.contractData.merchantBaseUrl,
);
if (purchase.timestampFirstSuccessfulPay) {
const requestUrl = new URL(
`orders/${purchase.contractData.orderId}/refund`,
purchase.contractData.merchantBaseUrl,
);
logger.trace(`making refund request to ${requestUrl.href}`);
logger.trace(`making refund request to ${requestUrl.href}`);
const request = await ws.http.postJson(requestUrl.href, {
h_contract: purchase.contractData.contractTermsHash,
});
const request = await ws.http.postJson(requestUrl.href, {
h_contract: purchase.contractData.contractTermsHash,
});
logger.trace("got json", JSON.stringify(await request.json(), undefined, 2));
logger.trace(
"got json",
JSON.stringify(await request.json(), undefined, 2),
);
const refundResponse = await readSuccessResponseJsonOrThrow(
request,
codecForMerchantOrderRefundPickupResponse(),
);
const refundResponse = await readSuccessResponseJsonOrThrow(
request,
codecForMerchantOrderRefundPickupResponse(),
);
await acceptRefunds(
ws,
proposalId,
refundResponse.refunds,
RefundReason.NormalRefund,
);
await acceptRefunds(
ws,
proposalId,
refundResponse.refunds,
RefundReason.NormalRefund,
);
} else if (purchase.abortStatus === AbortStatus.AbortRefund) {
const requestUrl = new URL(
`orders/${purchase.contractData.orderId}/abort`,
purchase.contractData.merchantBaseUrl,
);
const abortingCoins: AbortingCoin[] = [];
for (let i = 0; i < purchase.payCoinSelection.coinPubs.length; i++) {
const coinPub = purchase.payCoinSelection.coinPubs[i];
const coin = await ws.db.get(Stores.coins, coinPub);
checkDbInvariant(!!coin, "expected coin to be present");
abortingCoins.push({
coin_pub: coinPub,
contribution: Amounts.stringify(
purchase.payCoinSelection.coinContributions[i],
),
exchange_url: coin.exchangeBaseUrl,
});
}
const abortReq: AbortRequest = {
h_contract: purchase.contractData.contractTermsHash,
coins: abortingCoins,
};
logger.trace(`making order abort request to ${requestUrl.href}`);
const request = await ws.http.postJson(requestUrl.href, abortReq);
const abortResp = await readSuccessResponseJsonOrThrow(
request,
codecForAbortResponse(),
);
const refunds: MerchantCoinRefundStatus[] = [];
if (abortResp.refunds.length != abortingCoins.length) {
// FIXME: define error code!
throw Error("invalid order abort response");
}
for (let i = 0; i < abortResp.refunds.length; i++) {
const r = abortResp.refunds[i];
refunds.push({
...r,
coin_pub: purchase.payCoinSelection.coinPubs[i],
refund_amount: Amounts.stringify(
purchase.payCoinSelection.coinContributions[i],
),
rtransaction_id: 0,
execution_time: timestampAddDuration(purchase.contractData.timestamp, {
d_ms: 1000,
}),
});
}
await acceptRefunds(ws, proposalId, refunds, RefundReason.AbortRefund);
}
}
export async function abortFailedPayWithRefund(
ws: InternalWalletState,
proposalId: string,
): Promise<void> {
await ws.db.runWithWriteTransaction([Stores.purchases], async (tx) => {
const purchase = await tx.get(Stores.purchases, proposalId);
if (!purchase) {
throw Error("purchase not found");
}
if (purchase.timestampFirstSuccessfulPay) {
// No point in aborting it. We don't even report an error.
logger.warn(`tried to abort successful payment`);
return;
}
if (purchase.abortStatus !== AbortStatus.None) {
return;
}
purchase.refundQueryRequested = true;
purchase.paymentSubmitPending = false;
purchase.abortStatus = AbortStatus.AbortRefund;
purchase.lastPayError = undefined;
purchase.payRetryInfo = initRetryInfo(false);
await tx.put(Stores.purchases, purchase);
});
processPurchaseQueryRefund(ws, proposalId, true).catch((e) => {
logger.trace(`error during refund processing after abort pay: ${e}`);
});
}

View File

@ -23,6 +23,7 @@ import {
WalletRefundItem,
RefundState,
ReserveRecordStatus,
AbortStatus,
} from "../types/dbTypes";
import { Amounts, AmountJson } from "../util/amounts";
import { timestampCmp } from "../util/time";
@ -242,7 +243,9 @@ export async function getTransactions(
status: pr.timestampFirstSuccessfulPay
? PaymentStatus.Paid
: PaymentStatus.Accepted,
pending: !pr.timestampFirstSuccessfulPay,
pending:
!pr.timestampFirstSuccessfulPay &&
pr.abortStatus === AbortStatus.None,
timestamp: pr.timestampAccept,
transactionId: paymentTransactionId,
info: info,
@ -324,7 +327,10 @@ export async function getTransactions(
amountRaw: Amounts.stringify(tipRecord.tipAmountRaw),
pending: !tipRecord.pickedUpTimestamp,
timestamp: tipRecord.acceptedTimestamp,
transactionId: makeEventId(TransactionType.Tip, tipRecord.walletTipId),
transactionId: makeEventId(
TransactionType.Tip,
tipRecord.walletTipId,
),
error: tipRecord.lastError,
});
});
@ -337,5 +343,5 @@ export async function getTransactions(
txPending.sort((h1, h2) => timestampCmp(h1.timestamp, h2.timestamp));
txNotPending.sort((h1, h2) => timestampCmp(h1.timestamp, h2.timestamp));
return { transactions: [...txPending, ...txNotPending] };
return { transactions: [...txNotPending, ...txPending] };
}

View File

@ -1285,6 +1285,12 @@ export interface PayCoinSelection {
customerDepositFees: AmountJson;
}
export enum AbortStatus {
None = "none",
AbortRefund = "abort-refund",
AbortFinished = "abort-finished",
}
/**
* Record that stores status information about one purchase, starting from when
* the customer accepts a proposal. Includes refund status if applicable.
@ -1352,17 +1358,9 @@ export interface PurchaseRecord {
* Do we need to query the merchant for the refund status
* of the payment?
*/
refundStatusRequested: boolean;
refundQueryRequested: boolean;
/**
* An abort (with refund) was requested for this (incomplete!) purchase.
*/
abortRequested: boolean;
/**
* The abort (with refund) was completed for this (incomplete!) purchase.
*/
abortDone: boolean;
abortStatus: AbortStatus;
payRetryInfo: RetryInfo;

View File

@ -1059,7 +1059,6 @@ export const codecForAuditorHandle = (): Codec<AuditorHandle> =>
.property("url", codecForString())
.build("AuditorHandle");
export const codecForLocation = (): Codec<Location> =>
buildCodecForObject<Location>()
.property("country", codecOptional(codecForString()))
@ -1071,7 +1070,7 @@ export const codecForLocation = (): Codec<Location> =>
.property("post_code", codecOptional(codecForString()))
.property("town", codecOptional(codecForString()))
.property("town_location", codecOptional(codecForString()))
.property("address_lines", codecOptional(codecForList(codecForString())))
.property("address_lines", codecOptional(codecForList(codecForString())))
.build("Location");
export const codecForMerchantInfo = (): Codec<MerchantInfo> =>
@ -1351,3 +1350,108 @@ export const codecForMerchantOrderStatusUnpaid = (): Codec<
.property("taler_pay_uri", codecForString())
.property("already_paid_order_id", codecOptional(codecForString()))
.build("MerchantOrderStatusUnpaid");
export interface AbortRequest {
// hash of the order's contract terms (this is used to authenticate the
// wallet/customer in case $ORDER_ID is guessable).
h_contract: string;
// List of coins the wallet would like to see refunds for.
// (Should be limited to the coins for which the original
// payment succeeded, as far as the wallet knows.)
coins: AbortingCoin[];
}
export interface AbortingCoin {
// Public key of a coin for which the wallet is requesting an abort-related refund.
coin_pub: EddsaPublicKeyString;
// The amount to be refunded (matches the original contribution)
contribution: AmountString;
// URL of the exchange this coin was withdrawn from.
exchange_url: string;
}
export interface AbortResponse {
// List of refund responses about the coins that the wallet
// requested an abort for. In the same order as the 'coins'
// from the original request.
// The rtransaction_id is implied to be 0.
refunds: MerchantAbortPayRefundStatus[];
}
export const codecForAbortResponse = (): Codec<AbortResponse> =>
buildCodecForObject<AbortResponse>()
.property("refunds", codecForList(codecForMerchantAbortPayRefundStatus()))
.build("AbortResponse");
export type MerchantAbortPayRefundStatus =
| MerchantAbortPayRefundSuccessStatus
| MerchantAbortPayRefundFailureStatus;
// Details about why a refund failed.
export interface MerchantAbortPayRefundFailureStatus {
// Used as tag for the sum type RefundStatus sum type.
type: "failure";
// HTTP status of the exchange request, must NOT be 200.
exchange_status: number;
// Taler error code from the exchange reply, if available.
exchange_code?: number;
// If available, HTTP reply from the exchange.
exchange_reply?: unknown;
}
// Additional details needed to verify the refund confirmation signature
// (h_contract_terms and merchant_pub) are already known
// to the wallet and thus not included.
export interface MerchantAbortPayRefundSuccessStatus {
// Used as tag for the sum type MerchantCoinRefundStatus sum type.
type: "success";
// HTTP status of the exchange request, 200 (integer) required for refund confirmations.
exchange_status: 200;
// the EdDSA :ref:signature (binary-only) with purpose
// TALER_SIGNATURE_EXCHANGE_CONFIRM_REFUND using a current signing key of the
// exchange affirming the successful refund
exchange_sig: string;
// public EdDSA key of the exchange that was used to generate the signature.
// Should match one of the exchange's signing keys from /keys. It is given
// explicitly as the client might otherwise be confused by clock skew as to
// which signing key was used.
exchange_pub: string;
}
export const codecForMerchantAbortPayRefundSuccessStatus = (): Codec<
MerchantAbortPayRefundSuccessStatus
> =>
buildCodecForObject<MerchantAbortPayRefundSuccessStatus>()
.property("exchange_pub", codecForString())
.property("exchange_sig", codecForString())
.property("exchange_status", codecForConstNumber(200))
.property("type", codecForConstString("success"))
.build("MerchantAbortPayRefundSuccessStatus");
export const codecForMerchantAbortPayRefundFailureStatus = (): Codec<
MerchantAbortPayRefundFailureStatus
> =>
buildCodecForObject<MerchantAbortPayRefundFailureStatus>()
.property("exchange_code", codecForNumber())
.property("exchange_reply", codecForAny())
.property("exchange_status", codecForNumber())
.property("type", codecForConstString("failure"))
.build("MerchantAbortPayRefundFailureStatus");
export const codecForMerchantAbortPayRefundStatus = (): Codec<
MerchantAbortPayRefundStatus
> =>
buildCodecForUnion<MerchantAbortPayRefundStatus>()
.discriminateOn("type")
.alternative("success", codecForMerchantAbortPayRefundSuccessStatus())
.alternative("failure", codecForMerchantAbortPayRefundFailureStatus())
.build("MerchantAbortPayRefundStatus");

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@ -932,3 +932,11 @@ export const codecForAcceptTipRequest = (): Codec<AcceptTipRequest> =>
.property("walletTipId", codecForString())
.build("AcceptTipRequest");
export interface AbortPayWithRefundRequest {
proposalId: string;
}
export const codecForAbortPayWithRefundRequest = (): Codec<AbortPayWithRefundRequest> =>
buildCodecForObject<AbortPayWithRefundRequest>()
.property("proposalId", codecForString())
.build("AbortPayWithRefundRequest");

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@ -94,6 +94,7 @@ import {
PrepareTipResult,
codecForPrepareTipRequest,
codecForAcceptTipRequest,
codecForAbortPayWithRefundRequest,
} from "./types/walletTypes";
import { Logger } from "./util/logging";
@ -132,7 +133,7 @@ import {
PendingOperationType,
} from "./types/pending";
import { WalletNotification, NotificationType } from "./types/notifications";
import { processPurchaseQueryRefund, applyRefund } from "./operations/refund";
import { processPurchaseQueryRefund, applyRefund, abortFailedPayWithRefund } from "./operations/refund";
import { durationMin, Duration } from "./util/time";
import { processRecoupGroup } from "./operations/recoup";
import {
@ -744,8 +745,8 @@ export class Wallet {
return prepareTip(this.ws, talerTipUri);
}
async abortFailedPayment(contractTermsHash: string): Promise<void> {
throw Error("not implemented");
async abortFailedPayWithRefund(proposalId: string): Promise<void> {
return abortFailedPayWithRefund(this.ws, proposalId);
}
/**
@ -1022,11 +1023,6 @@ export class Wallet {
const req = codecForGetExchangeTosRequest().decode(payload);
return this.getExchangeTos(req.exchangeBaseUrl);
}
case "abortProposal": {
const req = codecForAbortProposalRequest().decode(payload);
await this.refuseProposal(req.proposalId);
return {};
}
case "retryPendingNow": {
await this.runPending(true);
return {};
@ -1039,6 +1035,11 @@ export class Wallet {
const req = codecForConfirmPayRequest().decode(payload);
return await this.confirmPay(req.proposalId, req.sessionId);
}
case "abortFailedPayWithRefund": {
const req = codecForAbortPayWithRefundRequest().decode(payload);
await this.abortFailedPayWithRefund(req.proposalId);
return {};
}
case "dumpCoins": {
return await this.dumpCoins();
}