@x-swap-protocol/permit2-sdk
Version:
An sdk for interacting with permit2.
1,567 lines (1,555 loc) • 37.5 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var invariant = _interopDefault(require('tiny-invariant'));
var hash = require('@ethersproject/hash');
var bignumber = require('@ethersproject/bignumber');
var contracts = require('@ethersproject/contracts');
// @deprecated please use permit2Address(chainId: number)
var PERMIT2_ADDRESS = '0x941acf4e2df51bf43c3c4167631dbefa268bc9d7';
function permit2Address(chainId) {
switch (chainId) {
case 51:
return '0x4b722f4a38f97e4078260de0c47f34ae0c404dbf';
default:
return PERMIT2_ADDRESS;
}
}
var MaxUint48 = /*#__PURE__*/bignumber.BigNumber.from('0xffffffffffff');
var MaxUint160 = /*#__PURE__*/bignumber.BigNumber.from('0xffffffffffffffffffffffffffffffffffffffff');
var MaxUint256 = /*#__PURE__*/bignumber.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.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) ? invariant(false, 'SIG_DEADLINE_OUT_OF_RANGE') : 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$1(permit, permit2Address, chainId) {
var _AllowanceTransfer$ge = AllowanceTransfer.getPermitData(permit, permit2Address, chainId),
domain = _AllowanceTransfer$ge.domain,
types = _AllowanceTransfer$ge.types,
values = _AllowanceTransfer$ge.values;
return hash._TypedDataEncoder.hash(domain, types, values);
};
return AllowanceTransfer;
}();
function validatePermitDetails(details) {
!MaxOrderedNonce.gte(details.nonce) ? invariant(false, 'NONCE_OUT_OF_RANGE') : void 0;
!MaxAllowanceTransferAmount.gte(details.amount) ? invariant(false, 'AMOUNT_OUT_OF_RANGE') : void 0;
!MaxAllowanceExpiration.gte(details.expiration) ? invariant(false, 'EXPIRATION_OUT_OF_RANGE') : void 0;
}
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}
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) ? invariant(false, 'SIG_DEADLINE_OUT_OF_RANGE') : void 0;
!MaxUnorderedNonce.gte(permit.nonce) ? invariant(false, 'NONCE_OUT_OF_RANGE') : 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$1(permit, permit2Address, chainId, witness) {
var _SignatureTransfer$ge = SignatureTransfer.getPermitData(permit, permit2Address, chainId, witness),
domain = _SignatureTransfer$ge.domain,
types = _SignatureTransfer$ge.types,
values = _SignatureTransfer$ge.values;
return hash._TypedDataEncoder.hash(domain, types, values);
};
return SignatureTransfer;
}();
function validateTokenPermissions(permissions) {
!MaxSignatureTransferAmount.gte(permissions.amount) ? invariant(false, 'AMOUNT_OUT_OF_RANGE') : void 0;
}
var Permit2Abi = [
{
inputs: [
],
name: "AllowanceExpired",
type: "error"
},
{
inputs: [
],
name: "ExcessiveInvalidation",
type: "error"
},
{
inputs: [
],
name: "InsufficientAllowance",
type: "error"
},
{
inputs: [
],
name: "InvalidAmount",
type: "error"
},
{
inputs: [
],
name: "InvalidContractSignature",
type: "error"
},
{
inputs: [
],
name: "InvalidNonce",
type: "error"
},
{
inputs: [
],
name: "InvalidSignature",
type: "error"
},
{
inputs: [
],
name: "InvalidSigner",
type: "error"
},
{
inputs: [
],
name: "LengthMismatch",
type: "error"
},
{
inputs: [
],
name: "NotSpender",
type: "error"
},
{
inputs: [
],
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: 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.PermitBatchTransferFrom",
name: "permit",
type: "tuple"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
components: [
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.SignatureTransferDetails[]",
name: "transferDetails",
type: "tuple[]"
},
{
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"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
},
{
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"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
},
{
internalType: "bytes32",
name: "witness",
type: "bytes32"
},
{
internalType: "string",
name: "witnessTypeName",
type: "string"
},
{
internalType: "string",
name: "witnessType",
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"
},
{
internalType: "address",
name: "owner",
type: "address"
},
{
components: [
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint256",
name: "requestedAmount",
type: "uint256"
}
],
internalType: "struct ISignatureTransfer.SignatureTransferDetails[]",
name: "transferDetails",
type: "tuple[]"
},
{
internalType: "bytes32",
name: "witness",
type: "bytes32"
},
{
internalType: "string",
name: "witnessTypeName",
type: "string"
},
{
internalType: "string",
name: "witnessType",
type: "string"
},
{
internalType: "bytes",
name: "signature",
type: "bytes"
}
],
name: "permitWitnessTransferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "address",
name: "from",
type: "address"
},
{
internalType: "address",
name: "to",
type: "address"
},
{
internalType: "uint160",
name: "amount",
type: "uint160"
}
],
name: "transferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
},
{
inputs: [
{
internalType: "address",
name: "from",
type: "address"
},
{
components: [
{
internalType: "address",
name: "token",
type: "address"
},
{
internalType: "uint160",
name: "amount",
type: "uint160"
},
{
internalType: "address",
name: "to",
type: "address"
}
],
internalType: "struct IAllowanceTransfer.AllowanceTransferDetails[]",
name: "transferDetails",
type: "tuple[]"
}
],
name: "transferFrom",
outputs: [
],
stateMutability: "nonpayable",
type: "function"
}
];
var AllowanceProvider = /*#__PURE__*/function () {
function AllowanceProvider(provider, permit2Address) {
this.provider = provider;
this.permit2Address = permit2Address;
this.permit2 = new contracts.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;
}();
exports.AllowanceProvider = AllowanceProvider;
exports.AllowanceTransfer = AllowanceTransfer;
exports.InstantExpiration = InstantExpiration;
exports.MaxAllowanceExpiration = MaxAllowanceExpiration;
exports.MaxAllowanceTransferAmount = MaxAllowanceTransferAmount;
exports.MaxOrderedNonce = MaxOrderedNonce;
exports.MaxSigDeadline = MaxSigDeadline;
exports.MaxSignatureTransferAmount = MaxSignatureTransferAmount;
exports.MaxUint160 = MaxUint160;
exports.MaxUint256 = MaxUint256;
exports.MaxUint48 = MaxUint48;
exports.MaxUnorderedNonce = MaxUnorderedNonce;
exports.PERMIT2_ADDRESS = PERMIT2_ADDRESS;
exports.SignatureTransfer = SignatureTransfer;
exports.permit2Address = permit2Address;
//# sourceMappingURL=permit2-sdk.cjs.development.js.map