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