p-sdk-wallet/dist/config/gas.js

A comprehensive wallet SDK for React Native (pwc), supporting multi-chain and multi-account features.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NETWORK_GAS_CONFIG = exports.GAS_CONFIG = void 0;
exports.setGlobalGasConfig = setGlobalGasConfig;
exports.setGlobalNetworkGasConfig = setGlobalNetworkGasConfig;
exports.clearGlobalGasConfigs = clearGlobalGasConfigs;
exports.getGasConfig = getGasConfig;
exports.getNetworkGasConfig = getNetworkGasConfig;
exports.calculateOptimalGasPrice = calculateOptimalGasPrice;
/**
 * Gas configuration constants to avoid hardcoded values
 */
exports.GAS_CONFIG = {
    /** Default gas limit for ERC-20 token transfers */
    ERC20_TRANSFER: 65000,
    /** Default gas limit for native token transfers */
    NATIVE_TRANSFER: 21000,
    /** Default gas limit for token approvals */
    TOKEN_APPROVAL: 46000,
    /** Default gas limit for contract interactions */
    CONTRACT_INTERACTION: 100000,
    /** Maximum gas limit for safety */
    MAX_GAS_LIMIT: 500000,
    /** Gas multiplier for batch operations */
    BATCH_MULTIPLIER: 1.1,
    /** Priority fee (tip) in wei for EIP-1559 transactions */
    DEFAULT_PRIORITY_FEE: 1500000000n, // 1.5 gwei
    /** Base fee buffer for EIP-1559 transactions */
    BASE_FEE_BUFFER: 1.2,
};
// Global gas config registry for mobile app overrides
let GLOBAL_GAS_CONFIG = {};
let GLOBAL_NETWORK_GAS_CONFIG = {};
/**
 * Set global gas configuration from mobile app (highest priority)
 */
function setGlobalGasConfig(config) {
    GLOBAL_GAS_CONFIG = { ...GLOBAL_GAS_CONFIG, ...config };
}
/**
 * Set global network gas configuration from mobile app (highest priority)
 */
function setGlobalNetworkGasConfig(config) {
    GLOBAL_NETWORK_GAS_CONFIG = { ...GLOBAL_NETWORK_GAS_CONFIG, ...config };
}
/**
 * Clear all global gas configurations (reset to defaults)
 */
function clearGlobalGasConfigs() {
    GLOBAL_GAS_CONFIG = {};
    GLOBAL_NETWORK_GAS_CONFIG = {};
}
/**
 * Get merged gas config (Mobile App > Env > SDK Defaults)
 */
function getGasConfig() {
    return {
        ...exports.GAS_CONFIG,
        ...GLOBAL_GAS_CONFIG,
        // Environment variables override
        ERC20_TRANSFER: parseInt(process.env.GAS_ERC20_TRANSFER || GLOBAL_GAS_CONFIG.ERC20_TRANSFER?.toString() || exports.GAS_CONFIG.ERC20_TRANSFER.toString()),
        NATIVE_TRANSFER: parseInt(process.env.GAS_NATIVE_TRANSFER || GLOBAL_GAS_CONFIG.NATIVE_TRANSFER?.toString() || exports.GAS_CONFIG.NATIVE_TRANSFER.toString()),
        TOKEN_APPROVAL: parseInt(process.env.GAS_TOKEN_APPROVAL || GLOBAL_GAS_CONFIG.TOKEN_APPROVAL?.toString() || exports.GAS_CONFIG.TOKEN_APPROVAL.toString()),
        CONTRACT_INTERACTION: parseInt(process.env.GAS_CONTRACT_INTERACTION || GLOBAL_GAS_CONFIG.CONTRACT_INTERACTION?.toString() || exports.GAS_CONFIG.CONTRACT_INTERACTION.toString()),
        MAX_GAS_LIMIT: parseInt(process.env.GAS_MAX_LIMIT || GLOBAL_GAS_CONFIG.MAX_GAS_LIMIT?.toString() || exports.GAS_CONFIG.MAX_GAS_LIMIT.toString()),
        BATCH_MULTIPLIER: parseFloat(process.env.GAS_BATCH_MULTIPLIER || GLOBAL_GAS_CONFIG.BATCH_MULTIPLIER?.toString() || exports.GAS_CONFIG.BATCH_MULTIPLIER.toString()),
        DEFAULT_PRIORITY_FEE: BigInt(process.env.GAS_DEFAULT_PRIORITY_FEE || GLOBAL_GAS_CONFIG.DEFAULT_PRIORITY_FEE?.toString() || exports.GAS_CONFIG.DEFAULT_PRIORITY_FEE.toString()),
        BASE_FEE_BUFFER: parseFloat(process.env.GAS_BASE_FEE_BUFFER || GLOBAL_GAS_CONFIG.BASE_FEE_BUFFER?.toString() || exports.GAS_CONFIG.BASE_FEE_BUFFER.toString()),
    };
}
/**
 * Network-specific gas configurations
 */
exports.NETWORK_GAS_CONFIG = {
    '1': {
        maxFeePerGas: 50000000000n, // 50 gwei
        maxPriorityFeePerGas: 2000000000n, // 2 gwei
    },
    '56': {
        maxFeePerGas: 5000000000n, // 5 gwei
        maxPriorityFeePerGas: 1000000000n, // 1 gwei
    },
    '137': {
        maxFeePerGas: 30000000000n, // 30 gwei
        maxPriorityFeePerGas: 1000000000n, // 1 gwei
    },
    '42161': {
        maxFeePerGas: 100000000n, // 0.1 gwei
        maxPriorityFeePerGas: 100000000n, // 0.1 gwei
    },
    '10': {
        maxFeePerGas: 1000000000n, // 1 gwei
        maxPriorityFeePerGas: 100000000n, // 0.1 gwei
    },
    '8453': {
        maxFeePerGas: 1000000000n, // 1 gwei
        maxPriorityFeePerGas: 100000000n, // 0.1 gwei
    },
};
/**
 * Get gas configuration for a specific network with priority: Mobile App > Env > SDK Defaults
 */
function getNetworkGasConfig(chainId) {
    const defaultConfig = exports.NETWORK_GAS_CONFIG[chainId] || {
        maxFeePerGas: 20000000000n, // 20 gwei default
        maxPriorityFeePerGas: 1000000000n, // 1 gwei default
    };
    const override = GLOBAL_NETWORK_GAS_CONFIG[chainId] || {};
    return { ...defaultConfig, ...override };
}
/**
 * Calculate optimal gas price for EIP-1559 transactions using dynamic config
 */
function calculateOptimalGasPrice(baseFee, chainId) {
    const networkConfig = getNetworkGasConfig(chainId);
    const gasConfig = getGasConfig();
    const priorityFee = networkConfig.maxPriorityFeePerGas;
    const maxFeePerGas = baseFee * BigInt(Math.ceil(gasConfig.BASE_FEE_BUFFER * 100)) / BigInt(100) + priorityFee;
    return {
        maxFeePerGas: maxFeePerGas > networkConfig.maxFeePerGas ? networkConfig.maxFeePerGas : maxFeePerGas,
        maxPriorityFeePerGas: priorityFee,
    };
}