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Code Issues Releases Wiki Activity

cleanup eth regexps

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This commit is contained in:
slowbackspace 2019-04-17 19:30:41 +02:00
parent ae1520aeba
commit 17c0f77e16
3 changed files with 78 additions and 23 deletions
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29
src/actions/ethereum/SendFormValidationActions.js
View File

@ -11,22 +11,6 @@ import * as ethUtils from 'utils/ethUtils';
import type { Dispatch, GetState, PayloadAction } from 'flowtype';
import type { State, FeeLevel } from 'reducers/SendFormEthereumReducer';
// general regular expressions
const NUMBER_RE: RegExp = new RegExp('^(0|0\\.([0-9]+)?|[1-9][0-9]*\\.?([0-9]+)?|\\.[0-9]+)$');
const UPPERCASE_RE = new RegExp('^(.*[A-Z].*)$');
const ABS_RE = new RegExp('^[0-9]+$');
const ETH_18_RE = new RegExp(
'^(0|0\\.([0-9]{0,18})?|[1-9][0-9]*\\.?([0-9]{0,18})?|\\.[0-9]{0,18})$'
);
const dynamicRegexp = (decimals: number): RegExp => {
if (decimals > 0) {
return new RegExp(
`^(0|0\\.([0-9]{0,${decimals}})?|[1-9][0-9]*\\.?([0-9]{0,${decimals}})?|\\.[0-9]{1,${decimals}})$`
);
}
return ABS_RE;
};
/*
* Called from SendFormActions.observe
* Reaction for WEB3.GAS_PRICE_UPDATED action
@ -168,7 +152,7 @@ export const addressValidation = ($state: State): PayloadAction<State> => (): St
state.errors.address = 'Address is not set';
} else if (!EthereumjsUtil.isValidAddress(address)) {
state.errors.address = 'Address is not valid';
} else if (address.match(UPPERCASE_RE) && !EthereumjsUtil.isValidChecksumAddress(address)) {
} else if (ethUtils.hasUppercase(address) && !EthereumjsUtil.isValidChecksumAddress(address)) {
state.errors.address = 'Address is not a valid checksum';
}
return state;
@ -244,7 +228,7 @@ export const amountValidation = ($state: State): PayloadAction<State> => (
const { amount } = state;
if (amount.length < 1) {
state.errors.amount = 'Amount is not set';
} else if (amount.length > 0 && !amount.match(NUMBER_RE)) {
} else if (amount.length > 0 && !ethUtils.isEthereumNumber(amount)) {
state.errors.amount = 'Amount is not a number';
} else {
const isToken: boolean = state.currency !== state.networkSymbol;
@ -258,9 +242,8 @@ export const amountValidation = ($state: State): PayloadAction<State> => (
account.deviceState
);
if (!token) return state;
const decimalRegExp = dynamicRegexp(parseInt(token.decimals, 0));
if (!state.amount.match(decimalRegExp)) {
if (!ethUtils.isEthereumNumber(state.amount, parseInt(token.decimals, 0))) {
state.errors.amount = `Maximum ${token.decimals} decimals allowed`;
} else if (new BigNumber(state.total).isGreaterThan(account.balance)) {
state.errors.amount = `Not enough ${state.networkSymbol} to cover transaction fee`;
@ -273,7 +256,7 @@ export const amountValidation = ($state: State): PayloadAction<State> => (
} else if (new BigNumber(state.amount).isLessThanOrEqualTo('0')) {
state.errors.amount = 'Amount is too low';
}
} else if (!state.amount.match(ETH_18_RE)) {
} else if (!ethUtils.isEthereumNumber(state.amount, 18)) {
state.errors.amount = 'Maximum 18 decimals allowed';
} else if (
new BigNumber(state.total).isGreaterThan(
@ -302,7 +285,7 @@ export const gasLimitValidation = ($state: State): PayloadAction<State> => (
const { gasLimit } = state;
if (gasLimit.length < 1) {
state.errors.gasLimit = 'Gas limit is not set';
} else if (gasLimit.length > 0 && !gasLimit.match(NUMBER_RE)) {
} else if (gasLimit.length > 0 && !ethUtils.isEthereumNumber(gasLimit)) {
state.errors.gasLimit = 'Gas limit is not a number';
} else {
const gl: BigNumber = new BigNumber(gasLimit);
@ -331,7 +314,7 @@ export const gasPriceValidation = ($state: State): PayloadAction<State> => (): S
const { gasPrice } = state;
if (gasPrice.length < 1) {
state.errors.gasPrice = 'Gas price is not set';
} else if (gasPrice.length > 0 && !gasPrice.match(NUMBER_RE)) {
} else if (gasPrice.length > 0 && !ethUtils.isEthereumNumber(gasPrice)) {
state.errors.gasPrice = 'Gas price is not a number';
} else {
const gp: BigNumber = new BigNumber(gasPrice);

60
src/utils/__tests__/ethUtils.test.js
View File

@ -52,4 +52,64 @@ describe('eth utils', () => {
'Address is not valid'
);
});
it('isEthereumNumber', () => {
expect(utils.isEthereumNumber('0')).toBe(true);
expect(utils.isEthereumNumber('0.0')).toBe(true);
expect(utils.isEthereumNumber('0.00000000')).toBe(true);
expect(utils.isEthereumNumber('0.00000001')).toBe(true);
expect(utils.isEthereumNumber('+0.0')).toBe(false);
expect(utils.isEthereumNumber('-0.0')).toBe(false);
expect(utils.isEthereumNumber('1')).toBe(true);
expect(utils.isEthereumNumber('+1')).toBe(false);
expect(utils.isEthereumNumber('+100000')).toBe(false);
expect(utils.isEthereumNumber('.')).toBe(false);
expect(utils.isEthereumNumber('-.1')).toBe(false);
expect(utils.isEthereumNumber('0.1')).toBe(true);
expect(utils.isEthereumNumber('0.12314841')).toBe(true);
expect(utils.isEthereumNumber('0.1381841848184814818391931933')).toBe(false); //28 decimals
expect(utils.isEthereumNumber('0.100000000000000000')).toBe(true); //18s decimals
expect(utils.isEthereumNumber('100.')).toBe(true);
expect(utils.isEthereumNumber('.1')).toBe(false);
expect(utils.isEthereumNumber('.000000001')).toBe(false);
expect(utils.isEthereumNumber('.13134818481481841')).toBe(false);
expect(utils.isEthereumNumber('001.12314841')).toBe(false);
expect(utils.isEthereumNumber('83819319391491949941')).toBe(true);
expect(utils.isEthereumNumber('-83819319391491949941')).toBe(false);
expect(utils.isEthereumNumber('+0.131831848184')).toBe(false);
expect(utils.isEthereumNumber('0.127373193981774718318371831731761626162613')).toBe(false);
expect(utils.isEthereumNumber('0.131831848184a')).toBe(false);
expect(utils.isEthereumNumber('100a')).toBe(false);
expect(utils.isEthereumNumber('.100a')).toBe(false);
expect(utils.isEthereumNumber('a.100')).toBe(false);
expect(utils.isEthereumNumber('abc')).toBe(false);
expect(utils.isEthereumNumber('1abc0')).toBe(false);
});
it('hasUppercase', () => {
expect(utils.hasUppercase('0')).toBe(false);
expect(utils.hasUppercase('abc')).toBe(false);
expect(utils.hasUppercase('abcD')).toBe(true);
expect(utils.hasUppercase('Abcd')).toBe(true);
expect(utils.hasUppercase('aBcd')).toBe(true);
expect(utils.hasUppercase('123abc123')).toBe(false);
expect(utils.hasUppercase('0x123abc456')).toBe(false);
expect(utils.hasUppercase('0x123aBc456')).toBe(true);
});
it('isEthereumNumber decimals=0', () => {
expect(utils.isEthereumNumber('0', 0)).toBe(true);
expect(utils.isEthereumNumber('0.1', 0)).toBe(false);
expect(utils.isEthereumNumber('0.12345', 0)).toBe(false);
expect(utils.isEthereumNumber('1', 0)).toBe(true);
expect(utils.isEthereumNumber('1.1', 0)).toBe(false);
expect(utils.isEthereumNumber('1000000', 0)).toBe(true);
expect(utils.isEthereumNumber('-1000000', 0)).toBe(false);
expect(utils.isEthereumNumber('.0', 0)).toBe(false);
expect(utils.isEthereumNumber('0.', 0)).toBe(true);
expect(utils.isEthereumNumber('.', 0)).toBe(false);
});
});

12
src/utils/ethUtils.js
View File

@ -46,3 +46,15 @@ export const isHex = (str: string): boolean => {
const regExp = /^(0x|0X)?[0-9A-Fa-f]+$/g;
return regExp.test(str);
};
export const hasUppercase = (value: string) => {
const UPPERCASE_RE = new RegExp('^(.*[A-Z].*)$');
return UPPERCASE_RE.test(value);
};
export const isEthereumNumber = (value: string, decimals: number = 18) => {
const ETH_18_RE = new RegExp(
`^(0|0\\.([0-9]{0,${decimals}})?|[1-9][0-9]*\\.?([0-9]{0,${decimals}})?)$`
);
return ETH_18_RE.test(value);
};