@xswap-v3/permit2-sdk
Version:
An sdk for interacting with permit2.
1,603 lines (1,594 loc) • 41.1 kB
JavaScript
import invariant from 'tiny-invariant';
import { _TypedDataEncoder } from '@ethersproject/hash';
import { BigNumber } from '@ethersproject/bignumber';
import { Contract } from '@ethersproject/contracts';
var PERMIT2_ADDRESS = '0x941acf4e2df51bf43c3c4167631dbefa268bc9d7';
var MaxUint48 = /*#__PURE__*/BigNumber.from('0xffffffffffff');
var MaxUint160 = /*#__PURE__*/BigNumber.from('0xffffffffffffffffffffffffffffffffffffffff');
var MaxUint256 = /*#__PURE__*/BigNumber.from('0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff');
// alias max types for their usages
// allowance transfer types
var MaxAllowanceTransferAmount = MaxUint160;
var MaxAllowanceExpiration = MaxUint48;
var MaxOrderedNonce = MaxUint48;
// signature transfer types
var MaxSignatureTransferAmount = MaxUint256;
var MaxUnorderedNonce = MaxUint256;
var MaxSigDeadline = MaxUint256;
var InstantExpiration = /*#__PURE__*/BigNumber.from(0);
var PERMIT2_DOMAIN_NAME = 'Permit2';
function permit2Domain(permit2Address, chainId) {
return {
name: PERMIT2_DOMAIN_NAME,
chainId: chainId,
verifyingContract: permit2Address
};
}
var PERMIT_DETAILS = [{
name: 'token',
type: 'address'
}, {
name: 'amount',
type: 'uint160'
}, {
name: 'expiration',
type: 'uint48'
}, {
name: 'nonce',
type: 'uint48'
}];
var PERMIT_TYPES = {
PermitSingle: [{
name: 'details',
type: 'PermitDetails'
}, {
name: 'spender',
type: 'address'
}, {
name: 'sigDeadline',
type: 'uint256'
}],
PermitDetails: PERMIT_DETAILS
};
var PERMIT_BATCH_TYPES = {
PermitBatch: [{
name: 'details',
type: 'PermitDetails[]'
}, {
name: 'spender',
type: 'address'
}, {
name: 'sigDeadline',
type: 'uint256'
}],
PermitDetails: PERMIT_DETAILS
};
function isPermit(permit) {
return !Array.isArray(permit.details);
}
var AllowanceTransfer = /*#__PURE__*/function () {
/**
* Cannot be constructed.
*/
function AllowanceTransfer() {}
// return the data to be sent in a eth_signTypedData RPC call
// for signing the given permit data
AllowanceTransfer.getPermitData = function getPermitData(permit, permit2Address, chainId) {
!MaxSigDeadline.gte(permit.sigDeadline) ? process.env.NODE_ENV !== "production" ? invariant(false, 'SIG_DEADLINE_OUT_OF_RANGE') : invariant(false) : void 0;
var domain = permit2Domain(permit2Address, chainId);
if (isPermit(permit)) {
validatePermitDetails(permit.details);
return {
domain: domain,
types: PERMIT_TYPES,
values: permit
};
} else {
permit.details.forEach(validatePermitDetails);
return {
domain: domain,
types: PERMIT_BATCH_TYPES,
values: permit
};
}
};
AllowanceTransfer.hash = function hash(permit, permit2Address, chainId) {
var _AllowanceTransfer$ge = AllowanceTransfer.getPermitData(permit, permit2Address, chainId),
domain = _AllowanceTransfer$ge.domain,
types = _AllowanceTransfer$ge.types,
values = _AllowanceTransfer$ge.values;
return _TypedDataEncoder.hash(domain, types, values);
};
return AllowanceTransfer;
}();
function validatePermitDetails(details) {
!MaxOrderedNonce.gte(details.nonce) ? process.env.NODE_ENV !== "production" ? invariant(false, 'NONCE_OUT_OF_RANGE') : invariant(false) : void 0;
!MaxAllowanceTransferAmount.gte(details.amount) ? process.env.NODE_ENV !== "production" ? invariant(false, 'AMOUNT_OUT_OF_RANGE') : invariant(false) : void 0;
!MaxAllowanceExpiration.gte(details.expiration) ? process.env.NODE_ENV !== "production" ? invariant(false, 'EXPIRATION_OUT_OF_RANGE') : invariant(false) : void 0;
}
function _regeneratorRuntime() {
_regeneratorRuntime = function () {
return exports;
};
var exports = {},
Op = Object.prototype,
hasOwn = Op.hasOwnProperty,
$Symbol = "function" == typeof Symbol ? Symbol : {},
iteratorSymbol = $Symbol.iterator || "@@iterator",
asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator",
toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
function define(obj, key, value) {
return Object.defineProperty(obj, key, {
value: value,
enumerable: !0,
configurable: !0,
writable: !0
}), obj[key];
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try {
define({}, "");
} catch (err) {
define = function (obj, key, value) {
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generator = Object.create(protoGenerator.prototype),
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arg: fn.call(obj, arg)
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arg: err
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exports.wrap = wrap;
var ContinueSentinel = {};
function Generator() {}
function GeneratorFunction() {}
function GeneratorFunctionPrototype() {}
var IteratorPrototype = {};
define(IteratorPrototype, iteratorSymbol, function () {
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var getProto = Object.getPrototypeOf,
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NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol) && (IteratorPrototype = NativeIteratorPrototype);
var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
function defineIteratorMethods(prototype) {
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define(prototype, method, function (arg) {
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function AsyncIterator(generator, PromiseImpl) {
function invoke(method, arg, resolve, reject) {
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value = result.value;
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invoke("next", value, resolve, reject);
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invoke("throw", err, resolve, reject);
}) : PromiseImpl.resolve(value).then(function (unwrapped) {
result.value = unwrapped, resolve(result);
}, function (error) {
return invoke("throw", error, resolve, reject);
});
}
reject(record.arg);
}
var previousPromise;
this._invoke = function (method, arg) {
function callInvokeWithMethodAndArg() {
return new PromiseImpl(function (resolve, reject) {
invoke(method, arg, resolve, reject);
});
}
return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
};
}
function maybeInvokeDelegate(delegate, context) {
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if (context.delegate = null, "throw" === context.method) {
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context.method = "throw", context.arg = new TypeError("The iterator does not provide a 'throw' method");
}
return ContinueSentinel;
}
var record = tryCatch(method, delegate.iterator, context.arg);
if ("throw" === record.type) return context.method = "throw", context.arg = record.arg, context.delegate = null, ContinueSentinel;
var info = record.arg;
return info ? info.done ? (context[delegate.resultName] = info.value, context.next = delegate.nextLoc, "return" !== context.method && (context.method = "next", context.arg = undefined), context.delegate = null, ContinueSentinel) : info : (context.method = "throw", context.arg = new TypeError("iterator result is not an object"), context.delegate = null, ContinueSentinel);
}
function pushTryEntry(locs) {
var entry = {
tryLoc: locs[0]
};
1 in locs && (entry.catchLoc = locs[1]), 2 in locs && (entry.finallyLoc = locs[2], entry.afterLoc = locs[3]), this.tryEntries.push(entry);
}
function resetTryEntry(entry) {
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}
function Context(tryLocsList) {
this.tryEntries = [{
tryLoc: "root"
}], tryLocsList.forEach(pushTryEntry, this), this.reset(!0);
}
function values(iterable) {
if (iterable) {
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var i = -1,
next = function next() {
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return next.value = undefined, next.done = !0, next;
};
return next.next = next;
}
}
return {
next: doneResult
};
}
function doneResult() {
return {
value: undefined,
done: !0
};
}
return GeneratorFunction.prototype = GeneratorFunctionPrototype, define(Gp, "constructor", GeneratorFunctionPrototype), define(GeneratorFunctionPrototype, "constructor", GeneratorFunction), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"), exports.isGeneratorFunction = function (genFun) {
var ctor = "function" == typeof genFun && genFun.constructor;
return !!ctor && (ctor === GeneratorFunction || "GeneratorFunction" === (ctor.displayName || ctor.name));
}, exports.mark = function (genFun) {
return Object.setPrototypeOf ? Object.setPrototypeOf(genFun, GeneratorFunctionPrototype) : (genFun.__proto__ = GeneratorFunctionPrototype, define(genFun, toStringTagSymbol, "GeneratorFunction")), genFun.prototype = Object.create(Gp), genFun;
}, exports.awrap = function (arg) {
return {
__await: arg
};
}, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
return this;
}), exports.AsyncIterator = AsyncIterator, exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
void 0 === PromiseImpl && (PromiseImpl = Promise);
var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
return result.done ? result.value : iter.next();
});
}, defineIteratorMethods(Gp), define(Gp, toStringTagSymbol, "Generator"), define(Gp, iteratorSymbol, function () {
return this;
}), define(Gp, "toString", function () {
return "[object Generator]";
}), exports.keys = function (object) {
var keys = [];
for (var key in object) keys.push(key);
return keys.reverse(), function next() {
for (; keys.length;) {
var key = keys.pop();
if (key in object) return next.value = key, next.done = !1, next;
}
return next.done = !0, next;
};
}, exports.values = values, Context.prototype = {
constructor: Context,
reset: function (skipTempReset) {
if (this.prev = 0, this.next = 0, this.sent = this._sent = undefined, this.done = !1, this.delegate = null, this.method = "next", this.arg = undefined, this.tryEntries.forEach(resetTryEntry), !skipTempReset) for (var name in this) "t" === name.charAt(0) && hasOwn.call(this, name) && !isNaN(+name.slice(1)) && (this[name] = undefined);
},
stop: function () {
this.done = !0;
var rootRecord = this.tryEntries[0].completion;
if ("throw" === rootRecord.type) throw rootRecord.arg;
return this.rval;
},
dispatchException: function (exception) {
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var context = this;
function handle(loc, caught) {
return record.type = "throw", record.arg = exception, context.next = loc, caught && (context.method = "next", context.arg = undefined), !!caught;
}
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
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record = entry.completion;
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hasFinally = hasOwn.call(entry, "finallyLoc");
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if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc);
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}
}
}
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abrupt: function (type, arg) {
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break;
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finallyEntry && ("break" === type || "continue" === type) && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc && (finallyEntry = null);
var record = finallyEntry ? finallyEntry.completion : {};
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},
complete: function (record, afterLoc) {
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},
finish: function (finallyLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.finallyLoc === finallyLoc) return this.complete(entry.completion, entry.afterLoc), resetTryEntry(entry), ContinueSentinel;
}
},
catch: function (tryLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc === tryLoc) {
var record = entry.completion;
if ("throw" === record.type) {
var thrown = record.arg;
resetTryEntry(entry);
}
return thrown;
}
}
throw new Error("illegal catch attempt");
},
delegateYield: function (iterable, resultName, nextLoc) {
return this.delegate = {
iterator: values(iterable),
resultName: resultName,
nextLoc: nextLoc
}, "next" === this.method && (this.arg = undefined), ContinueSentinel;
}
}, exports;
}
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function () {
var self = this,
args = arguments;
return new Promise(function (resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _extends() {
_extends = Object.assign ? Object.assign.bind() : function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
var TOKEN_PERMISSIONS = [{
name: 'token',
type: 'address'
}, {
name: 'amount',
type: 'uint256'
}];
var PERMIT_TRANSFER_FROM_TYPES = {
PermitTransferFrom: [{
name: 'permitted',
type: 'TokenPermissions'
}, {
name: 'spender',
type: 'address'
}, {
name: 'nonce',
type: 'uint256'
}, {
name: 'deadline',
type: 'uint256'
}],
TokenPermissions: TOKEN_PERMISSIONS
};
var PERMIT_BATCH_TRANSFER_FROM_TYPES = {
PermitBatchTransferFrom: [{
name: 'permitted',
type: 'TokenPermissions[]'
}, {
name: 'spender',
type: 'address'
}, {
name: 'nonce',
type: 'uint256'
}, {
name: 'deadline',
type: 'uint256'
}],
TokenPermissions: TOKEN_PERMISSIONS
};
function permitTransferFromWithWitnessType(witness) {
return _extends({
PermitWitnessTransferFrom: [{
name: 'permitted',
type: 'TokenPermissions'
}, {
name: 'spender',
type: 'address'
}, {
name: 'nonce',
type: 'uint256'
}, {
name: 'deadline',
type: 'uint256'
}, {
name: 'witness',
type: witness.witnessTypeName
}],
TokenPermissions: TOKEN_PERMISSIONS
}, witness.witnessType);
}
function permitBatchTransferFromWithWitnessType(witness) {
return _extends({
PermitBatchWitnessTransferFrom: [{
name: 'permitted',
type: 'TokenPermissions[]'
}, {
name: 'spender',
type: 'address'
}, {
name: 'nonce',
type: 'uint256'
}, {
name: 'deadline',
type: 'uint256'
}, {
name: 'witness',
type: witness.witnessTypeName
}],
TokenPermissions: TOKEN_PERMISSIONS
}, witness.witnessType);
}
function isPermitTransferFrom(permit) {
return !Array.isArray(permit.permitted);
}
var SignatureTransfer = /*#__PURE__*/function () {
/**
* Cannot be constructed.
*/
function SignatureTransfer() {}
// return the data to be sent in a eth_signTypedData RPC call
// for signing the given permit data
SignatureTransfer.getPermitData = function getPermitData(permit, permit2Address, chainId, witness) {
!MaxSigDeadline.gte(permit.deadline) ? process.env.NODE_ENV !== "production" ? invariant(false, 'SIG_DEADLINE_OUT_OF_RANGE') : invariant(false) : void 0;
!MaxUnorderedNonce.gte(permit.nonce) ? process.env.NODE_ENV !== "production" ? invariant(false, 'NONCE_OUT_OF_RANGE') : invariant(false) : void 0;
var domain = permit2Domain(permit2Address, chainId);
if (isPermitTransferFrom(permit)) {
validateTokenPermissions(permit.permitted);
var types = witness ? permitTransferFromWithWitnessType(witness) : PERMIT_TRANSFER_FROM_TYPES;
var values = witness ? Object.assign(permit, {
witness: witness.witness
}) : permit;
return {
domain: domain,
types: types,
values: values
};
} else {
permit.permitted.forEach(validateTokenPermissions);
var _types = witness ? permitBatchTransferFromWithWitnessType(witness) : PERMIT_BATCH_TRANSFER_FROM_TYPES;
var _values = witness ? Object.assign(permit, {
witness: witness.witness
}) : permit;
return {
domain: domain,
types: _types,
values: _values
};
}
};
SignatureTransfer.hash = function hash(permit, permit2Address, chainId, witness) {
var _SignatureTransfer$ge = SignatureTransfer.getPermitData(permit, permit2Address, chainId, witness),
domain = _SignatureTransfer$ge.domain,
types = _SignatureTransfer$ge.types,
values = _SignatureTransfer$ge.values;
return _TypedDataEncoder.hash(domain, types, values);
};
return SignatureTransfer;
}();
function validateTokenPermissions(permissions) {
!MaxSignatureTransferAmount.gte(permissions.amount) ? process.env.NODE_ENV !== "production" ? invariant(false, 'AMOUNT_OUT_OF_RANGE') : invariant(false) : void 0;
}
var Permit2Abi = [
{
inputs: [
{
internalType: "uint256",
name: "deadline",
type: "uint256"
}
],
name: "AllowanceExpired",
type: "error"
},
{
inputs: [
],
name: "ExcessiveInvalidation",
type: "error"
},
{
inputs: [
{
internalType: "uint256",
name: "amount",
type: "uint256"
}
],
name: "InsufficientAllowance",
type: "error"
},
{
inputs: [
{
internalType: "uint256",
name: "maxAmount",
type: "uint256"
}
],
name: "InvalidAmount",
type: "error"
},
{
inputs: [
],
name: "InvalidContractSignature",
type: "error"
},
{
inputs: [
],
name: "InvalidNonce",
type: "error"
},
{
inputs: [
],
name: "InvalidSignature",
type: "error"
},
{
inputs: [
],
name: "InvalidSignatureLength",
type: "error"
},
{
inputs: [
],
name: "InvalidSigner",
type: "error"
},
{
inputs: [
],
name: "LengthMismatch",
type: "error"
},
{
inputs: [
{
internalType: "uint256",
name: "signatureDeadline",
type: "uint256"
}
],
name: "SignatureExpired",
type: "error"
},
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "owner",
type: "address"
},
{
indexed: true,
internalType: "address",
name: "token",
type: "address"
},
{
indexed: true,
internalType: "address",
name: "spender",
type: "address"
},
{
indexed: false,
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
indexed: false,
internalType: "uint48",
name: "expiration",
type: "uint48"
}
],
name: "Approval",
type: "event"
},
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "owner",
type: "address"
},
{
indexed: false,
internalType: "address",
name: "token",
type: "address"
},
{
indexed: false,
internalType: "address",
name: "spender",
type: "address"
}
],
name: "Lockdown",
type: "event"
},
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "owner",
type: "address"
},
{
indexed: true,
internalType: "address",
name: "token",
type: "address"
},
{
indexed: true,
internalType: "address",
name: "spender",
type: "address"
},
{
indexed: false,
internalType: "uint48",
name: "newNonce",
type: "uint48"
},
{
indexed: false,
internalType: "uint48",
name: "oldNonce",
type: "uint48"
}
],
name: "NonceInvalidation",
type: "event"
},
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "owner",
type: "address"
},
{
indexed: true,
internalType: "address",
name: "token",
type: "address"
},
{
indexed: true,
internalType: "address",
name: "spender",
type: "address"
},
{
indexed: false,
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
indexed: false,
internalType: "uint48",
name: "expiration",
type: "uint48"
},
{
indexed: false,
internalType: "uint48",
name: "nonce",
type: "uint48"
}
],
name: "Permit",
type: "event"
},
{
anonymous: false,
inputs: [
{
indexed: true,
internalType: "address",
name: "owner",
type: "address"
},
{
indexed: false,
internalType: "uint256",
name: "word",
type: "uint256"
},
{
indexed: false,
internalType: "uint256",
name: "mask",
type: "uint256"
}
],
name: "UnorderedNonceInvalidation",
type: "event"
},
{
inputs: [
],
name: "DOMAIN_SEPARATOR",
outputs: [
{
internalType: "bytes32",
name: "",
type: "bytes32"
}
],
stateMutability: "view",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "",
type: "address"
},
{
internalType: "address",
name: "",
type: "address"
},
{
internalType: "address",
name: "",
type: "address"
}
],
name: "allowance",
outputs: [
{
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
internalType: "uint48",
name: "expiration",
type: "uint48"
},
{
internalType: "uint48",
name: "nonce",
type: "uint48"
}
],
stateMutability: "view",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "address",
name: "spender",
type: "address"
},
{
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
internalType: "uint48",
name: "expiration",
type: "uint48"
}
],
name: "approve",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "address",
name: "spender",
type: "address"
},
{
internalType: "uint48",
name: "newNonce",
type: "uint48"
}
],
name: "invalidateNonces",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
internalType: "uint256",
name: "wordPos",
type: "uint256"
},
{
internalType: "uint256",
name: "mask",
type: "uint256"
}
],
name: "invalidateUnorderedNonces",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "address",
name: "spender",
type: "address"
}
],
internalType: "struct IAllowanceTransfer.TokenSpenderPair[]",
name: "approvals",
type: "tuple[]"
}
],
name: "lockdown",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "",
type: "address"
},
{
internalType: "uint256",
name: "",
type: "uint256"
}
],
name: "nonceBitmap",
outputs: [
{
internalType: "uint256",
name: "",
type: "uint256"
}
],
stateMutability: "view",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "owner",
type: "address"
},
{
components: [
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
internalType: "uint48",
name: "expiration",
type: "uint48"
},
{
internalType: "uint48",
name: "nonce",
type: "uint48"
}
],
internalType: "struct IAllowanceTransfer.PermitDetails[]",
name: "details",
type: "tuple[]"
},
{
internalType: "address",
name: "spender",
type: "address"
},
{
internalType: "uint256",
name: "sigDeadline",
type: "uint256"
}
],
internalType: "struct IAllowanceTransfer.PermitBatch",
name: "permitBatch",
type: "tuple"
},
{
internalType: "bytes",
name: "signature",
type: "bytes"
}
],
name: "permit",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "owner",
type: "address"
},
{
components: [
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
internalType: "uint48",
name: "expiration",
type: "uint48"
},
{
internalType: "uint48",
name: "nonce",
type: "uint48"
}
],
internalType: "struct IAllowanceTransfer.PermitDetails",
name: "details",
type: "tuple"
},
{
internalType: "address",
name: "spender",
type: "address"
},
{
internalType: "uint256",
name: "sigDeadline",
type: "uint256"
}
],
internalType: "struct IAllowanceTransfer.PermitSingle",
name: "permitSingle",
type: "tuple"
},
{
internalType: "bytes",
name: "signature",
type: "bytes"
}
],
name: "permit",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
components: [
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "uint256",
name: "amount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.TokenPermissions",
name: "permitted",
type: "tuple"
},
{
internalType: "uint256",
name: "nonce",
type: "uint256"
},
{
internalType: "uint256",
name: "deadline",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.PermitTransferFrom",
name: "permit",
type: "tuple"
},
{
components: [
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.SignatureTransferDetails",
name: "transferDetails",
type: "tuple"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
internalType: "bytes",
name: "signature",
type: "bytes"
}
],
name: "permitTransferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
components: [
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "uint256",
name: "amount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.TokenPermissions[]",
name: "permitted",
type: "tuple[]"
},
{
internalType: "uint256",
name: "nonce",
type: "uint256"
},
{
internalType: "uint256",
name: "deadline",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.PermitBatchTransferFrom",
name: "permit",
type: "tuple"
},
{
components: [
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.SignatureTransferDetails[]",
name: "transferDetails",
type: "tuple[]"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
internalType: "bytes",
name: "signature",
type: "bytes"
}
],
name: "permitTransferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
components: [
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "uint256",
name: "amount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.TokenPermissions",
name: "permitted",
type: "tuple"
},
{
internalType: "uint256",
name: "nonce",
type: "uint256"
},
{
internalType: "uint256",
name: "deadline",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.PermitTransferFrom",
name: "permit",
type: "tuple"
},
{
components: [
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.SignatureTransferDetails",
name: "transferDetails",
type: "tuple"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
internalType: "bytes32",
name: "witness",
type: "bytes32"
},
{
internalType: "string",
name: "witnessTypeString",
type: "string"
},
{
internalType: "bytes",
name: "signature",
type: "bytes"
}
],
name: "permitWitnessTransferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
components: [
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "uint256",
name: "amount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.TokenPermissions[]",
name: "permitted",
type: "tuple[]"
},
{
internalType: "uint256",
name: "nonce",
type: "uint256"
},
{
internalType: "uint256",
name: "deadline",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.PermitBatchTransferFrom",
name: "permit",
type: "tuple"
},
{
components: [
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.SignatureTransferDetails[]",
name: "transferDetails",
type: "tuple[]"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
internalType: "bytes32",
name: "witness",
type: "bytes32"
},
{
internalType: "string",
name: "witnessTypeString",
type: "string"
},
{
internalType: "bytes",
name: "signature",
type: "bytes"
}
],
name: "permitWitnessTransferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
components: [
{
internalType: "address",
name: "from",
type: "address"
},
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
internalType: "address",
name: "token",
type: "address"
}
],
internalType: "struct IAllowanceTransfer.AllowanceTransferDetails[]",
name: "transferDetails",
type: "tuple[]"
}
],
name: "transferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "from",
type: "address"
},
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
internalType: "address",
name: "token",
type: "address"
}
],
name: "transferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
}
];
var AllowanceProvider = /*#__PURE__*/function () {
function AllowanceProvider(provider, permit2Address) {
this.provider = provider;
this.permit2Address = permit2Address;
this.permit2 = new Contract(this.permit2Address, Permit2Abi, this.provider);
}
var _proto = AllowanceProvider.prototype;
_proto.getAllowanceData = /*#__PURE__*/function () {
var _getAllowanceData = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(token, owner, spender) {
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
_context.next = 2;
return this.permit2.allowance(owner, token, spender);
case 2:
return _context.abrupt("return", _context.sent);
case 3:
case "end":
return _context.stop();
}
}
}, _callee, this);
}));
function getAllowanceData(_x, _x2, _x3) {
return _getAllowanceData.apply(this, arguments);
}
return getAllowanceData;
}();
_proto.getAllowance = /*#__PURE__*/function () {
var _getAllowance = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee2(token, owner, spender) {
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
_context2.next = 2;
return this.getAllowanceData(token, owner, spender);
case 2:
return _context2.abrupt("return", _context2.sent.amount);
case 3:
case "end":
return _context2.stop();
}
}
}, _callee2, this);
}));
function getAllowance(_x4, _x5, _x6) {
return _getAllowance.apply(this, arguments);
}
return getAllowance;
}();
_proto.getNonce = /*#__PURE__*/function () {
var _getNonce = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee3(token, owner, spender) {
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) {
switch (_context3.prev = _context3.next) {
case 0:
_context3.next = 2;
return this.getAllowanceData(token, owner, spender);
case 2:
return _context3.abrupt("return", _context3.sent.nonce);
case 3:
case "end":
return _context3.stop();
}
}
}, _callee3, this);
}));
function getNonce(_x7, _x8, _x9) {
return _getNonce.apply(this, arguments);
}
return getNonce;
}();
_proto.getExpiration = /*#__PURE__*/function () {
var _getExpiration = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee4(token, owner, spender) {
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) {
switch (_context4.prev = _context4.next) {
case 0:
_context4.next = 2;
return this.getAllowanceData(token, owner, spender);
case 2:
return _context4.abrupt("return", _context4.sent.expiration);
case 3:
case "end":
return _context4.stop();
}
}
}, _callee4, this);
}));
function getExpiration(_x10, _x11, _x12) {
return _getExpiration.apply(this, arguments);
}
return getExpiration;
}();
return AllowanceProvider;
}();
export { AllowanceProvider, AllowanceTransfer, InstantExpiration, MaxAllowanceExpiration, MaxAllowanceTransferAmount, MaxOrderedNonce, MaxSigDeadline, MaxSignatureTransferAmount, MaxUint160, MaxUint256, MaxUint48, MaxUnorderedNonce, PERMIT2_ADDRESS, SignatureTransfer };
//# sourceMappingURL=permit2-sdk.esm.js.map