ripple-lib
Version:
Deprecated - consider migrating to xrpl.js: https://xrpl.org/xrpljs2-migration-guide.html
163 lines • 6.81 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const _ = __importStar(require("lodash"));
const utils = __importStar(require("./utils"));
const validate = utils.common.validate;
const paymentFlags = utils.common.txFlags.Payment;
const ValidationError = utils.common.errors.ValidationError;
const common_1 = require("../common");
const utils_1 = require("./utils");
function isMaxAdjustment(source) {
return source.maxAmount != null;
}
function isMinAdjustment(destination) {
return destination.minAmount != null;
}
function isXRPToXRPPayment(payment) {
const { source, destination } = payment;
const sourceCurrency = isMaxAdjustment(source)
? source.maxAmount.currency
: source.amount.currency;
const destinationCurrency = isMinAdjustment(destination)
? destination.minAmount.currency
: destination.amount.currency;
return ((sourceCurrency === 'XRP' || sourceCurrency === 'drops') &&
(destinationCurrency === 'XRP' || destinationCurrency === 'drops'));
}
function isIOUWithoutCounterparty(amount) {
return (amount &&
amount.currency !== 'XRP' &&
amount.currency !== 'drops' &&
amount.counterparty == null);
}
function applyAnyCounterpartyEncoding(payment) {
[payment.source, payment.destination].forEach((adjustment) => {
['amount', 'minAmount', 'maxAmount'].forEach((key) => {
if (isIOUWithoutCounterparty(adjustment[key])) {
adjustment[key].counterparty = adjustment.address;
}
});
});
}
function createMaximalAmount(amount) {
const maxXRPValue = '100000000000';
const maxIOUValue = '999999999999999900000000000000000000000000000000000000000000000000000000000000000000000000000000';
let maxValue;
if (amount.currency === 'XRP') {
maxValue = maxXRPValue;
}
else if (amount.currency === 'drops') {
maxValue = common_1.xrpToDrops(maxXRPValue);
}
else {
maxValue = maxIOUValue;
}
return Object.assign({}, amount, { value: maxValue });
}
function validateAndNormalizeAddress(address, expectedTag) {
const classicAddress = utils_1.getClassicAccountAndTag(address, expectedTag);
classicAddress.tag =
classicAddress.tag === false ? undefined : classicAddress.tag;
return classicAddress;
}
function createPaymentTransaction(address, paymentArgument) {
const payment = _.cloneDeep(paymentArgument);
applyAnyCounterpartyEncoding(payment);
const sourceAddressAndTag = validateAndNormalizeAddress(payment.source.address, payment.source.tag);
const addressToVerifyAgainst = validateAndNormalizeAddress(address, undefined);
if (addressToVerifyAgainst.classicAccount !== sourceAddressAndTag.classicAccount) {
throw new ValidationError('address must match payment.source.address');
}
if (addressToVerifyAgainst.tag != null &&
sourceAddressAndTag.tag != null &&
addressToVerifyAgainst.tag !== sourceAddressAndTag.tag) {
throw new ValidationError('address includes a tag that does not match payment.source.tag');
}
const destinationAddressAndTag = validateAndNormalizeAddress(payment.destination.address, payment.destination.tag);
if ((isMaxAdjustment(payment.source) && isMinAdjustment(payment.destination)) ||
(!isMaxAdjustment(payment.source) && !isMinAdjustment(payment.destination))) {
throw new ValidationError('payment must specify either (source.maxAmount ' +
'and destination.amount) or (source.amount and destination.minAmount)');
}
const destinationAmount = isMinAdjustment(payment.destination)
? payment.destination.minAmount
: payment.destination.amount;
const sourceAmount = isMaxAdjustment(payment.source)
? payment.source.maxAmount
: payment.source.amount;
const amount = isMinAdjustment(payment.destination) && !isXRPToXRPPayment(payment)
? createMaximalAmount(destinationAmount)
: destinationAmount;
const txJSON = {
TransactionType: 'Payment',
Account: sourceAddressAndTag.classicAccount,
Destination: destinationAddressAndTag.classicAccount,
Amount: common_1.toRippledAmount(amount),
Flags: 0
};
if (payment.invoiceID != null) {
txJSON.InvoiceID = payment.invoiceID;
}
if (sourceAddressAndTag.tag != null) {
txJSON.SourceTag = sourceAddressAndTag.tag;
}
if (destinationAddressAndTag.tag != null) {
txJSON.DestinationTag = destinationAddressAndTag.tag;
}
if (payment.memos != null) {
txJSON.Memos = payment.memos.map(utils.convertMemo);
}
if (payment.noDirectRipple === true) {
txJSON.Flags |= paymentFlags.NoRippleDirect;
}
if (payment.limitQuality === true) {
txJSON.Flags |= paymentFlags.LimitQuality;
}
if (!isXRPToXRPPayment(payment)) {
if (payment.allowPartialPayment || isMinAdjustment(payment.destination)) {
txJSON.Flags |= paymentFlags.PartialPayment;
}
txJSON.SendMax = common_1.toRippledAmount(sourceAmount);
if (isMinAdjustment(payment.destination)) {
txJSON.DeliverMin = common_1.toRippledAmount(destinationAmount);
}
if (payment.paths != null) {
txJSON.Paths = JSON.parse(payment.paths);
}
}
else if (payment.allowPartialPayment === true) {
throw new ValidationError('XRP to XRP payments cannot be partial payments');
}
return txJSON;
}
function preparePayment(address, payment, instructions = {}) {
try {
validate.preparePayment({ address, payment, instructions });
const txJSON = createPaymentTransaction(address, payment);
return utils.prepareTransaction(txJSON, this, instructions);
}
catch (e) {
return Promise.reject(e);
}
}
exports.default = preparePayment;
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