@openocean.finance/widget-sdk/src/_esm/core/EVM/permits/allowanceTransfer.js

OpenOcean Any-to-Any Cross-Chain-Swap SDK

import { hashTypedData, } from 'viem';
import { MaxUint48, MaxUint160 } from '../../../constants.js';
import { invariant } from '../../../utils/invariant.js';
import { MaxSigDeadline } from './constants.js';
import { permit2Domain } from './domain.js';
export const MaxAllowanceTransferAmount = MaxUint160;
export const MaxAllowanceExpiration = MaxUint48;
export const MaxOrderedNonce = MaxUint48;
const PERMIT_DETAILS = [
    { name: 'token', type: 'address' },
    { name: 'amount', type: 'uint160' },
    { name: 'expiration', type: 'uint48' },
    { name: 'nonce', type: 'uint48' },
];
const PERMIT_TYPES = {
    PermitDetails: PERMIT_DETAILS,
    PermitSingle: [
        { name: 'details', type: 'PermitDetails' },
        { name: 'spender', type: 'address' },
        { name: 'sigDeadline', type: 'uint256' },
    ],
};
const PERMIT_BATCH_TYPES = {
    PermitDetails: PERMIT_DETAILS,
    PermitBatch: [
        { name: 'details', type: 'PermitDetails[]' },
        { name: 'spender', type: 'address' },
        { name: 'sigDeadline', type: 'uint256' },
    ],
};
function isPermit(permit) {
    return !Array.isArray(permit.details);
}
export function getPermitSingleData(permit, permit2Address, chainId) {
    invariant(MaxSigDeadline >= permit.sigDeadline, 'SIG_DEADLINE_OUT_OF_RANGE');
    const domain = permit2Domain(permit2Address, chainId);
    validatePermitDetails(permit.details);
    return {
        domain,
        message: permit,
    };
}
export function getPermitBatchData(permit, permit2Address, chainId) {
    invariant(MaxSigDeadline >= permit.sigDeadline, 'SIG_DEADLINE_OUT_OF_RANGE');
    const domain = permit2Domain(permit2Address, chainId);
    permit.details.forEach(validatePermitDetails);
    return {
        domain,
        message: permit,
    };
}
export function getPermitData(permit, permit2Address, chainId) {
    invariant(MaxSigDeadline >= permit.sigDeadline, 'SIG_DEADLINE_OUT_OF_RANGE');
    const domain = permit2Domain(permit2Address, chainId);
    if (isPermit(permit)) {
        validatePermitDetails(permit.details);
        return {
            domain,
            types: PERMIT_TYPES,
            message: permit,
        };
    }
    permit.details.forEach(validatePermitDetails);
    return {
        domain,
        types: PERMIT_BATCH_TYPES,
        message: permit,
    };
}
export function hash(permit, permit2Address, chainId) {
    if (isPermit(permit)) {
        const { domain, message } = getPermitSingleData(permit, permit2Address, chainId);
        return hashTypedData({
            domain,
            types: PERMIT_TYPES,
            primaryType: 'PermitSingle',
            message: message,
        });
    }
    const { domain, message } = getPermitBatchData(permit, permit2Address, chainId);
    return hashTypedData({
        domain,
        types: PERMIT_BATCH_TYPES,
        primaryType: 'PermitBatch',
        message: message,
    });
}
function validatePermitDetails(details) {
    invariant(MaxOrderedNonce >= details.nonce, 'NONCE_OUT_OF_RANGE');
    invariant(MaxAllowanceTransferAmount >= details.amount, 'AMOUNT_OUT_OF_RANGE');
    invariant(MaxAllowanceExpiration >= details.expiration, 'EXPIRATION_OUT_OF_RANGE');
}
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