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* Copyright © 2019 Lisk Foundation
*
* See the LICENSE file at the top-level directory of this distribution
* for licensing information.
*
* Unless otherwise agreed in a custom licensing agreement with the Lisk Foundation,
* no part of this software, including this file, may be copied, modified,
* propagated, or distributed except according to the terms contained in the
* LICENSE file.
*
* Removal or modification of this copyright notice is prohibited.
*
*/
import { MultisignatureStatus } from '../base_transaction';
import { TransactionError, TransactionPendingError } from '../errors';
import { Account } from '../transaction_types';
import { convertBeddowsToLSK } from '../utils/format';
import {
validateMultisignatures,
validateSignature,
} from './sign_and_validate';
export const verifySenderPublicKey = (
id: string,
sender: Account,
publicKey: string,
): TransactionError | undefined =>
sender.publicKey && sender.publicKey !== publicKey
? new TransactionError(
'Invalid sender publicKey',
id,
'.senderPublicKey',
publicKey,
sender.publicKey,
)
: undefined;
export const verifyBalance = (
id: string,
account: Account,
amount: bigint,
): TransactionError | undefined =>
BigInt(account.balance) < BigInt(amount)
? new TransactionError(
`Account does not have enough LSK: ${
account.address
}, balance: ${convertBeddowsToLSK(account.balance.toString())}`,
id,
'.balance',
)
: undefined;
export const verifyAmountBalance = (
id: string,
account: Account,
amount: bigint,
fee: bigint,
): TransactionError | undefined => {
const balance = BigInt(account.balance);
if (balance >= BigInt(0) && balance < BigInt(amount)) {
return new TransactionError(
`Account does not have enough LSK: ${
account.address
}, balance: ${convertBeddowsToLSK((balance + fee).toString())}`,
id,
'.balance',
);
}
return undefined;
};
export const verifySecondSignature = (
id: string,
sender: Account,
signSignature: string | undefined,
transactionBytes: Buffer,
): TransactionError | undefined => {
if (!sender.secondPublicKey && signSignature) {
return new TransactionError(
'Sender does not have a secondPublicKey',
id,
'.signSignature',
);
}
if (!sender.secondPublicKey) {
return undefined;
}
if (!signSignature) {
return new TransactionError('Missing signSignature', id, '.signSignature');
}
const { valid, error } = validateSignature(
sender.secondPublicKey,
signSignature,
transactionBytes,
id,
);
if (valid) {
return undefined;
}
return error;
};
export interface VerifyMultiSignatureResult {
readonly status: MultisignatureStatus;
readonly errors: ReadonlyArray<TransactionError>;
}
const isMultisignatureAccount = (account: Account): boolean =>
!!(
account.membersPublicKeys &&
account.membersPublicKeys.length > 0 &&
account.multiMin
);
export const verifyMultiSignatures = (
id: string,
sender: Account,
signatures: ReadonlyArray<string>,
transactionBytes: Buffer,
): VerifyMultiSignatureResult => {
if (!isMultisignatureAccount(sender) && signatures.length > 0) {
return {
status: MultisignatureStatus.FAIL,
errors: [
new TransactionError(
'Sender is not a multisignature account',
id,
'.signatures',
),
],
};
}
if (!isMultisignatureAccount(sender)) {
return {
status: MultisignatureStatus.NONMULTISIGNATURE,
errors: [],
};
}
const { valid, errors } = validateMultisignatures(
sender.membersPublicKeys as ReadonlyArray<string>,
signatures,
sender.multiMin as number,
transactionBytes,
id,
);
if (valid) {
return {
status: MultisignatureStatus.READY,
errors: [],
};
}
if (
errors &&
errors.length === 1 &&
errors[0] instanceof TransactionPendingError
) {
return {
status: MultisignatureStatus.PENDING,
errors,
};
}
return {
status: MultisignatureStatus.FAIL,
errors: errors || [],
};
};
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