@velas/account-agent/src/helper/scopes.js

sdk

import BN from 'bn.js';

/*
*   Helpers for scopes
*/

function ScopesConstructor(options = {}) {

    if (!options.account_contract) throw new Error('account_contract option is required')

    this.VELAS_ACCOUNT_PROGRAM_ADDRESS = options.account_contract;
    this.STAKE_PROGRAM_ADDRESS         = 'Stake11111111111111111111111111111111111111';
    this.SYSTEM_PROGRAM_ADDRESS        = '11111111111111111111111111111111';
    this.SYSVAR_RENT_ADDRESS           = 'SysvarRent111111111111111111111111111111111';
    this.EVM_PROGRAM_ADDRESS           = 'EVM1111111111111111111111111111111111111111';
    this.EVM_STATE_PROGRAM_ADDRESS     = 'EvmState11111111111111111111111111111111111';

    this.PERMITTED_SCOPES = [
        'authorization',
        'openid'
    ];

    this.MOBILE_FLOW_REQUIRED_SCOPES = [
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:2`
    ];

    this.SCOPES = {
        [`${this.STAKE_PROGRAM_ADDRESS}:0`]: 'StakeProgram:Initialize',
        [`${this.STAKE_PROGRAM_ADDRESS}:1`]: 'StakeProgram:Authorize',
        [`${this.STAKE_PROGRAM_ADDRESS}:2`]: 'StakeProgram:Delegate',
        [`${this.STAKE_PROGRAM_ADDRESS}:3`]: 'StakeProgram:Split',
        [`${this.STAKE_PROGRAM_ADDRESS}:4`]: 'StakeProgram:Withdraw',
        [`${this.STAKE_PROGRAM_ADDRESS}:5`]: 'StakeProgram:Deactivate',
        [`${this.STAKE_PROGRAM_ADDRESS}:8`]: 'StakeProgram:AuthorizeWithSeed',

        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:0` ]: 'VelasAccountProgram:Initialize',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:1` ]: 'VelasAccountProgram:AddOwner',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:2` ]: 'VelasAccountProgram:AddOperational',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:3` ]: 'VelasAccountProgram:ExtendOperational',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:4` ]: 'VelasAccountProgram:MergeOperational',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:5` ]: 'VelasAccountProgram:ReplaceOwner',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:6` ]: 'VelasAccountProgram:RemoveOwner',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:7` ]: 'VelasAccountProgram:RemoveOperational',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:8` ]: 'VelasAccountProgram:LockOperational',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:9` ]: 'VelasAccountProgram:UnlockOperational',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:10`]: 'VelasAccountProgram:Execute',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:11`]: 'VelasAccountProgram:Transfer',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:12`]: 'VelasAccountProgram:CreateAccount',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:13`]: 'VelasAccountProgram:CreateAccountWithSeed',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:19`]: 'VelasAccountProgram:RemoveProgramPermission',
        [`${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:20`]: 'VelasAccountProgram:SponsorAndExecute',

        [`${this.EVM_PROGRAM_ADDRESS}:4`]: 'EVM:Execute'
    };

    this.NOT_EPHEMERAL_SCOPES = [
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:0`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:1`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:2`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:3`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:4`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:5`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:6`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:7`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:8`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:9`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:12`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:13`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:14`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:15`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:16`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:17`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:18`,
        `${this.VELAS_ACCOUNT_PROGRAM_ADDRESS}:19`,
        `VRPLtk4k31bDL99mn1A5mE96CUUzQ9PnftEwf2LvMiG:0`
    ];

    this.createRPAccountInstuctionAddress = "VRPLtk4k31bDL99mn1A5mE96CUUzQ9PnftEwf2LvMiG";
};

ScopesConstructor.prototype.swap = function() {
    var ret = {};
    for(var key in this.SCOPES){
        ret[this.SCOPES[key]] = key;
    }
    return ret;
};

ScopesConstructor.prototype.encode = function(array) {
    return array.map(item => this.SCOPES[item] || item);
};

ScopesConstructor.prototype.decode = function(array) {
    const inv = this.swap();
    return array.map(item => inv[item] || item);
};

ScopesConstructor.prototype.bitsToScopes = function(scopes, size = 32) {
    const bn     = new BN(new Uint8Array(scopes));
    const length = bn.bitLength();
    const bits   = Array(size - length).fill("0").concat(bn.toString(2).split(''));
    return bits.reduce((a,b,i) => {
        if (i ===  0)  a = [];
        if (b === '1') a.push(i);
        return a;
    }, {});
};

ScopesConstructor.prototype.chunkArray = function(myArray, chunk_size) {
    var index = 0;
    var arrayLength = myArray.length;
    var tempArray = [];
    
    for (index = 0; index < arrayLength; index += chunk_size) {
        const myChunk = myArray.slice(index, index+chunk_size).slice(0, 32); // REFACTORING
        tempArray.push(myChunk);
    }

    return tempArray;
};

export default ScopesConstructor;