86 lines
2.2 KiB
JavaScript
86 lines
2.2 KiB
JavaScript
import { addHexPrefix } from 'ethereumjs-util';
|
|
|
|
const ONE_HUNDRED_THOUSAND = 100000;
|
|
const MIN_GAS_LIMIT_DEC = '21000';
|
|
|
|
export const MIN_GAS_LIMIT_HEX = parseInt(MIN_GAS_LIMIT_DEC, 10).toString(16);
|
|
|
|
export const GAS_LIMITS = {
|
|
// maximum gasLimit of a simple send
|
|
SIMPLE: addHexPrefix(MIN_GAS_LIMIT_HEX),
|
|
// a base estimate for token transfers.
|
|
BASE_TOKEN_ESTIMATE: addHexPrefix(ONE_HUNDRED_THOUSAND.toString(16)),
|
|
};
|
|
|
|
/**
|
|
* @typedef {object} GasEstimateTypes
|
|
* @property {'fee-market'} FEE_MARKET - A gas estimate for a fee market
|
|
* transaction generated by our gas estimation API.
|
|
* @property {'legacy'} LEGACY - A gas estimate for a legacy Transaction
|
|
* generated by our gas estimation API.
|
|
* @property {'eth_gasPrice'} ETH_GAS_PRICE - A gas estimate provided by the
|
|
* Ethereum node via eth_gasPrice.
|
|
* @property {'none'} NONE - No gas estimate available.
|
|
*/
|
|
|
|
/**
|
|
* These are already declared in @metamask/controllers but importing them from
|
|
* that module and re-exporting causes the UI bundle size to expand beyond 4MB
|
|
*
|
|
* @type {GasEstimateTypes}
|
|
*/
|
|
export const GAS_ESTIMATE_TYPES = {
|
|
FEE_MARKET: 'fee-market',
|
|
LEGACY: 'legacy',
|
|
ETH_GASPRICE: 'eth_gasPrice',
|
|
NONE: 'none',
|
|
};
|
|
|
|
/**
|
|
* These represent gas recommendation levels presented in the UI
|
|
*/
|
|
export const GAS_RECOMMENDATIONS = {
|
|
LOW: 'low',
|
|
MEDIUM: 'medium',
|
|
HIGH: 'high',
|
|
};
|
|
|
|
/**
|
|
* These represent types of gas estimation
|
|
*/
|
|
export const PRIORITY_LEVELS = {
|
|
TEN_PERCENT_INCREASED: 'tenPercentIncreased',
|
|
LOW: 'low',
|
|
MEDIUM: 'medium',
|
|
HIGH: 'high',
|
|
CUSTOM: 'custom',
|
|
DAPP_SUGGESTED: 'dappSuggested',
|
|
};
|
|
|
|
/**
|
|
* Represents the user customizing their gas preference
|
|
*/
|
|
export const CUSTOM_GAS_ESTIMATE = 'custom';
|
|
|
|
/**
|
|
* These represent the different edit modes presented in the UI
|
|
*/
|
|
export const EDIT_GAS_MODES = {
|
|
SPEED_UP: 'speed-up',
|
|
CANCEL: 'cancel',
|
|
MODIFY_IN_PLACE: 'modify-in-place',
|
|
SWAPS: 'swaps',
|
|
};
|
|
|
|
/**
|
|
* Represents levels for `networkCongestion` (calculated along with gas fee
|
|
* estimates; represents a number between 0 and 1) that we use to render the
|
|
* network status slider on the send transaction screen and inform users when
|
|
* gas fees are high
|
|
*/
|
|
export const NETWORK_CONGESTION_THRESHOLDS = {
|
|
NOT_BUSY: 0,
|
|
STABLE: 0.33,
|
|
BUSY: 0.66,
|
|
};
|