88 lines
3.0 KiB
TypeScript
88 lines
3.0 KiB
TypeScript
import { AppState } from 'reducers';
|
|
import { getTransactionState } from './transaction';
|
|
import { getToken } from 'selectors/wallet';
|
|
import { isNetworkUnit } from 'selectors/config/wallet';
|
|
import { getDecimalFromEtherUnit } from 'libs/units';
|
|
import { getSerializedTransaction } from 'selectors/transaction';
|
|
import EthTx from 'ethereumjs-tx';
|
|
import { getCustomTokens } from 'selectors/customTokens';
|
|
import { getNetworkConfig } from 'selectors/config';
|
|
import { Token } from '../../../shared/types/network';
|
|
import { stripHexPrefixAndLower } from 'libs/values';
|
|
import { toChecksumAddress } from 'ethereumjs-util';
|
|
|
|
const getMetaState = (state: AppState) => getTransactionState(state).meta;
|
|
const getFrom = (state: AppState) => {
|
|
const serializedTransaction = getSerializedTransaction(state);
|
|
// attempt to get the from address from the transaction
|
|
if (serializedTransaction) {
|
|
const transactionInstance = new EthTx(serializedTransaction);
|
|
try {
|
|
const from = transactionInstance.from;
|
|
if (from) {
|
|
return toChecksumAddress(from.toString('hex'));
|
|
}
|
|
} catch (e) {
|
|
console.warn(e);
|
|
}
|
|
}
|
|
return getMetaState(state).from;
|
|
};
|
|
const getDecimal = (state: AppState) => getMetaState(state).decimal;
|
|
|
|
const getTokenTo = (state: AppState) => getMetaState(state).tokenTo;
|
|
|
|
const getTokenValue = (state: AppState) => getMetaState(state).tokenValue;
|
|
|
|
const isContractInteraction = (state: AppState) => getMetaState(state).isContractInteraction;
|
|
|
|
const getUnit = (state: AppState) => {
|
|
const serializedTransaction = getSerializedTransaction(state);
|
|
const contractInteraction = isContractInteraction(state);
|
|
// attempt to get the to address from the transaction
|
|
if (serializedTransaction && !contractInteraction) {
|
|
const transactionInstance = new EthTx(serializedTransaction);
|
|
const { to } = transactionInstance;
|
|
if (to) {
|
|
// see if any tokens match
|
|
let networkTokens: null | Token[] = null;
|
|
const customTokens = getCustomTokens(state);
|
|
const networkConfig = getNetworkConfig(state);
|
|
if (!networkConfig.isCustom) {
|
|
networkTokens = networkConfig.tokens;
|
|
}
|
|
const mergedTokens = networkTokens ? [...networkTokens, ...customTokens] : customTokens;
|
|
const stringTo = toChecksumAddress(stripHexPrefixAndLower(to.toString('hex')));
|
|
const result = mergedTokens.find(t => t.address === stringTo);
|
|
if (result) {
|
|
return result.symbol;
|
|
}
|
|
}
|
|
}
|
|
|
|
return getMetaState(state).unit;
|
|
};
|
|
const getPreviousUnit = (state: AppState) => getMetaState(state).previousUnit;
|
|
const getDecimalFromUnit = (state: AppState, unit: string) => {
|
|
if (isNetworkUnit(state, unit)) {
|
|
return getDecimalFromEtherUnit('ether');
|
|
} else {
|
|
const token = getToken(state, unit);
|
|
if (!token) {
|
|
throw Error(`Token ${unit} not found`);
|
|
}
|
|
return token.decimal;
|
|
}
|
|
};
|
|
|
|
export {
|
|
getFrom,
|
|
getDecimal,
|
|
getTokenValue,
|
|
getTokenTo,
|
|
getUnit,
|
|
getPreviousUnit,
|
|
getDecimalFromUnit,
|
|
isContractInteraction
|
|
};
|