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Merged
MissBlue00 merged 3 commits into from
Jun 29, 2026
Merged

feat: add createPaymentChannel function and PaymentChannelConfig interface #305

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f3710d7
feat: add createPaymentChannel function and PaymentChannelConfig inte…
vstudio79 Jun 29, 2026
bebdf97
Merge branch 'main' into feat/create-payment-channel
vstudio79 Jun 29, 2026
357c1f5
Merge branch 'main' into feat/create-payment-channel
vstudio79 Jun 29, 2026
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109 changes: 108 additions & 1 deletion packages/anchor-service/dist/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ var AnchorService = class {
transactions = /* @__PURE__ */ new Map();
customers = /* @__PURE__ */ new Map();
accountLinks = /* @__PURE__ */ new Map();
sep24Deposits = /* @__PURE__ */ new Map();
// ---------------------------------------------------------------------------
// SEP-31 Direct Payment
// ---------------------------------------------------------------------------
Expand Down Expand Up @@ -568,6 +569,98 @@ var AnchorService = class {
async handleDocumentUpload(_document) {
return true;
}
// ---------------------------------------------------------------------------
// SEP-24 Deposit Flow
// ---------------------------------------------------------------------------
async createSep24Deposit(params) {
const transactionId = `sep24_${crypto.randomUUID().split("-").join("").slice(0, 16)}`;
try {
const interactiveUrl = this.buildInteractiveUrl(params, transactionId);
const record = {
transactionId,
account: params.account,
assetCode: params.assetCode,
amount: params.amount,
status: "pending",
interactiveUrl,
createdAt: (/* @__PURE__ */ new Date()).toISOString(),
updatedAt: (/* @__PURE__ */ new Date()).toISOString()
};
this.sep24Deposits.set(transactionId, record);
return {
success: true,
transactionId,
interactiveUrl,
amount: params.amount,
assetCode: params.assetCode,
status: "pending",
createdAt: record.createdAt,
updatedAt: record.updatedAt
};
} catch (err) {
const errorMessage = err instanceof Error ? err.message : String(err);
const record = {
transactionId,
account: params.account,
assetCode: params.assetCode,
amount: params.amount,
status: "failed",
error: errorMessage,
createdAt: (/* @__PURE__ */ new Date()).toISOString(),
updatedAt: (/* @__PURE__ */ new Date()).toISOString()
};
this.sep24Deposits.set(transactionId, record);
return {
success: false,
transactionId,
error: errorMessage,
amount: params.amount,
assetCode: params.assetCode,
status: "failed",
createdAt: record.createdAt,
updatedAt: record.updatedAt
};
}
}
getSep24Deposit(transactionId) {
return this.sep24Deposits.get(transactionId);
}
getAllSep24Deposits() {
return Array.from(this.sep24Deposits.values());
}
buildInteractiveUrl(params, transactionId) {
const url = new URL(params.anchorUrl);
const pathname = url.pathname.replace(/\/$/, "");
url.pathname = `${pathname}/deposit/interactive`;
url.searchParams.set("account", params.account);
url.searchParams.set("asset_code", params.assetCode);
url.searchParams.set("transaction_id", transactionId);
if (params.memo) {
url.searchParams.set("memo", params.memo);
}
if (params.memoType) {
url.searchParams.set("memo_type", params.memoType);
}
if (params.amount) {
url.searchParams.set("amount", params.amount);
}
if (params.lang) {
url.searchParams.set("lang", params.lang);
}
if (params.destinationExtra) {
url.searchParams.set("destination_extra", params.destinationExtra);
}
if (params.destinationExtraMemo) {
url.searchParams.set("destination_extra_memo", params.destinationExtraMemo);
}
if (params.onChangeCallback) {
url.searchParams.set("on_change_callback", params.onChangeCallback);
}
if (params.quoteId) {
url.searchParams.set("quote_id", params.quoteId);
}
return url.toString();
}
getPaymentStatus(paymentId) {
const payment = this.payments.get(paymentId);
if (payment) {
Expand All @@ -593,6 +686,18 @@ var AnchorService = class {
error: transaction.errorMessage
};
}
const sep24Deposit = this.sep24Deposits.get(paymentId);
if (sep24Deposit) {
return {
paymentId: sep24Deposit.transactionId,
status: sep24Deposit.status,
amount: sep24Deposit.amount ?? "",
assetCode: sep24Deposit.assetCode,
createdAt: sep24Deposit.createdAt,
updatedAt: sep24Deposit.updatedAt,
error: sep24Deposit.error
};
}
return void 0;
}
};
Expand Down Expand Up @@ -701,7 +806,9 @@ function validateAsset(asset) {
throw new Error("Asset code is required");
}
if (!asset.issuer || !/^G[A-Z2-7]{55}$/.test(asset.issuer)) {
throw new Error(`Invalid issuer for asset ${asset.code}: must be a valid Stellar public key (G...)`);
throw new Error(
`Invalid issuer for asset ${asset.code}: must be a valid Stellar public key (G...)`
);
}
if (!asset.fiatEquivalent || !asset.fiatEquivalent.trim()) {
throw new Error(`fiatEquivalent is required for asset ${asset.code}`);
Expand Down
109 changes: 108 additions & 1 deletion packages/anchor-service/dist/index.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ var AnchorService = class {
transactions = /* @__PURE__ */ new Map();
customers = /* @__PURE__ */ new Map();
accountLinks = /* @__PURE__ */ new Map();
sep24Deposits = /* @__PURE__ */ new Map();
// ---------------------------------------------------------------------------
// SEP-31 Direct Payment
// ---------------------------------------------------------------------------
Expand Down Expand Up @@ -540,6 +541,98 @@ var AnchorService = class {
async handleDocumentUpload(_document) {
return true;
}
// ---------------------------------------------------------------------------
// SEP-24 Deposit Flow
// ---------------------------------------------------------------------------
async createSep24Deposit(params) {
const transactionId = `sep24_${crypto.randomUUID().split("-").join("").slice(0, 16)}`;
try {
const interactiveUrl = this.buildInteractiveUrl(params, transactionId);
const record = {
transactionId,
account: params.account,
assetCode: params.assetCode,
amount: params.amount,
status: "pending",
interactiveUrl,
createdAt: (/* @__PURE__ */ new Date()).toISOString(),
updatedAt: (/* @__PURE__ */ new Date()).toISOString()
};
this.sep24Deposits.set(transactionId, record);
return {
success: true,
transactionId,
interactiveUrl,
amount: params.amount,
assetCode: params.assetCode,
status: "pending",
createdAt: record.createdAt,
updatedAt: record.updatedAt
};
} catch (err) {
const errorMessage = err instanceof Error ? err.message : String(err);
const record = {
transactionId,
account: params.account,
assetCode: params.assetCode,
amount: params.amount,
status: "failed",
error: errorMessage,
createdAt: (/* @__PURE__ */ new Date()).toISOString(),
updatedAt: (/* @__PURE__ */ new Date()).toISOString()
};
this.sep24Deposits.set(transactionId, record);
return {
success: false,
transactionId,
error: errorMessage,
amount: params.amount,
assetCode: params.assetCode,
status: "failed",
createdAt: record.createdAt,
updatedAt: record.updatedAt
};
}
}
getSep24Deposit(transactionId) {
return this.sep24Deposits.get(transactionId);
}
getAllSep24Deposits() {
return Array.from(this.sep24Deposits.values());
}
buildInteractiveUrl(params, transactionId) {
const url = new URL(params.anchorUrl);
const pathname = url.pathname.replace(/\/$/, "");
url.pathname = `${pathname}/deposit/interactive`;
url.searchParams.set("account", params.account);
url.searchParams.set("asset_code", params.assetCode);
url.searchParams.set("transaction_id", transactionId);
if (params.memo) {
url.searchParams.set("memo", params.memo);
}
if (params.memoType) {
url.searchParams.set("memo_type", params.memoType);
}
if (params.amount) {
url.searchParams.set("amount", params.amount);
}
if (params.lang) {
url.searchParams.set("lang", params.lang);
}
if (params.destinationExtra) {
url.searchParams.set("destination_extra", params.destinationExtra);
}
if (params.destinationExtraMemo) {
url.searchParams.set("destination_extra_memo", params.destinationExtraMemo);
}
if (params.onChangeCallback) {
url.searchParams.set("on_change_callback", params.onChangeCallback);
}
if (params.quoteId) {
url.searchParams.set("quote_id", params.quoteId);
}
return url.toString();
}
getPaymentStatus(paymentId) {
const payment = this.payments.get(paymentId);
if (payment) {
Expand All @@ -565,6 +658,18 @@ var AnchorService = class {
error: transaction.errorMessage
};
}
const sep24Deposit = this.sep24Deposits.get(paymentId);
if (sep24Deposit) {
return {
paymentId: sep24Deposit.transactionId,
status: sep24Deposit.status,
amount: sep24Deposit.amount ?? "",
assetCode: sep24Deposit.assetCode,
createdAt: sep24Deposit.createdAt,
updatedAt: sep24Deposit.updatedAt,
error: sep24Deposit.error
};
}
return void 0;
}
};
Expand Down Expand Up @@ -673,7 +778,9 @@ function validateAsset(asset) {
throw new Error("Asset code is required");
}
if (!asset.issuer || !/^G[A-Z2-7]{55}$/.test(asset.issuer)) {
throw new Error(`Invalid issuer for asset ${asset.code}: must be a valid Stellar public key (G...)`);
throw new Error(
`Invalid issuer for asset ${asset.code}: must be a valid Stellar public key (G...)`
);
}
if (!asset.fiatEquivalent || !asset.fiatEquivalent.trim()) {
throw new Error(`fiatEquivalent is required for asset ${asset.code}`);
Expand Down
40 changes: 40 additions & 0 deletions packages/payments-engine/dist/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ __export(index_exports, {
buildChannelCloseTransaction: () => buildChannelCloseTransaction,
closePaymentChannel: () => closePaymentChannel,
createAssetPayment: () => createAssetPayment,
createPaymentChannel: () => createPaymentChannel,
sendStellarPayment: () => sendStellarPayment
});
module.exports = __toCommonJS(index_exports);
Expand Down Expand Up @@ -210,6 +211,44 @@ var StellarService = class {

// src/payment-channel.ts
var StellarSdk2 = __toESM(require("stellar-sdk"));
async function createPaymentChannel(config) {
const { id, asset, distributions, signers, networkPassphrase, fee, signatureThreshold } = config;
if (!id) {
throw new Error("Payment channel id is required");
}
if (!signers.length) {
throw new Error("At least one signer is required");
}
if (!distributions.length) {
throw new Error("At least one distribution is required");
}
for (const signer of signers) {
if (!StellarSdk2.StrKey.isValidEd25519PublicKey(signer.publicKey)) {
throw new Error(`Invalid signer public key: ${signer.publicKey}`);
}
}
for (const distribution of distributions) {
if (!StellarSdk2.StrKey.isValidEd25519PublicKey(distribution.publicKey)) {
throw new Error(`Invalid distribution address: ${distribution.publicKey}`);
}
if (!distribution.amount || Number(distribution.amount) <= 0) {
throw new Error(`Invalid distribution amount for ${distribution.publicKey}`);
}
}
const escrowKeypair = StellarSdk2.Keypair.random();
const channel = {
id,
escrowAccountId: escrowKeypair.publicKey(),
status: "open",
asset,
distributions,
signers,
networkPassphrase,
fee,
signatureThreshold
};
return channel;
}
function resolveAsset(asset) {
const code = asset.code?.trim();
const isNative = !code || code === "native" || code === "XLM";
Expand Down Expand Up @@ -321,5 +360,6 @@ async function createAssetPayment(params) {
buildChannelCloseTransaction,
closePaymentChannel,
createAssetPayment,
createPaymentChannel,
sendStellarPayment
});
39 changes: 39 additions & 0 deletions packages/payments-engine/dist/index.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,44 @@ var StellarService = class {

// src/payment-channel.ts
import * as StellarSdk2 from "stellar-sdk";
async function createPaymentChannel(config) {
const { id, asset, distributions, signers, networkPassphrase, fee, signatureThreshold } = config;
if (!id) {
throw new Error("Payment channel id is required");
}
if (!signers.length) {
throw new Error("At least one signer is required");
}
if (!distributions.length) {
throw new Error("At least one distribution is required");
}
for (const signer of signers) {
if (!StellarSdk2.StrKey.isValidEd25519PublicKey(signer.publicKey)) {
throw new Error(`Invalid signer public key: ${signer.publicKey}`);
}
}
for (const distribution of distributions) {
if (!StellarSdk2.StrKey.isValidEd25519PublicKey(distribution.publicKey)) {
throw new Error(`Invalid distribution address: ${distribution.publicKey}`);
}
if (!distribution.amount || Number(distribution.amount) <= 0) {
throw new Error(`Invalid distribution amount for ${distribution.publicKey}`);
}
}
const escrowKeypair = StellarSdk2.Keypair.random();
const channel = {
id,
escrowAccountId: escrowKeypair.publicKey(),
status: "open",
asset,
distributions,
signers,
networkPassphrase,
fee,
signatureThreshold
};
return channel;
}
function resolveAsset(asset) {
const code = asset.code?.trim();
const isNative = !code || code === "native" || code === "XLM";
Expand Down Expand Up @@ -280,5 +318,6 @@ export {
buildChannelCloseTransaction,
closePaymentChannel,
createAssetPayment,
createPaymentChannel,
sendStellarPayment
};
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