52 lines
1.5 KiB
TypeScript
52 lines
1.5 KiB
TypeScript
import { AppState } from 'reducers';
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import { getUnit } from 'selectors/transaction/meta';
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import { SHAPESHIFT_TOKEN_WHITELIST } from 'api/shapeshift';
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import { getStaticNetworkConfig, isNetworkUnit } from 'selectors/config';
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import { Token } from 'types/network';
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export function getNetworkTokens(state: AppState): Token[] {
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const network = getStaticNetworkConfig(state);
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return network ? network.tokens : [];
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}
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export function getAllTokens(state: AppState): Token[] {
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const networkTokens = getNetworkTokens(state);
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return networkTokens.concat(state.customTokens);
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}
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export function getSelectedTokenContractAddress(state: AppState): string {
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const allTokens = getAllTokens(state);
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const currentUnit = getUnit(state);
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if (isNetworkUnit(state, currentUnit)) {
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return '';
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}
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return allTokens.reduce((tokenAddr, tokenInfo) => {
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if (tokenAddr && tokenAddr.length) {
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return tokenAddr;
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}
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if (tokenInfo.symbol === currentUnit) {
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return tokenInfo.address;
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}
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return tokenAddr;
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}, '');
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}
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export function tokenExists(state: AppState, token: string): boolean {
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const existInWhitelist = SHAPESHIFT_TOKEN_WHITELIST.includes(token);
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const existsInNetwork = !!getAllTokens(state).find(t => t.symbol === token);
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return existsInNetwork || existInWhitelist;
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}
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export function isSupportedUnit(state: AppState, unit: string) {
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const isToken: boolean = tokenExists(state, unit);
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const isEther: boolean = isNetworkUnit(state, unit);
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if (!isToken && !isEther) {
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return false;
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}
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return true;
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}
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