@ledgerhq/coin-stellar/lib-es/logic/validateMemo.js

Ledger Stellar Coin integration

// SPDX-FileCopyrightText: © 2026 LEDGER SAS
// SPDX-License-Identifier: Apache-2.0
import BigNumber from 'bignumber.js';
export const MEMO_TEXT_MAXIMUM_SIZE = 28;
export const MEMO_HASH_FIXED_SIZE = 64;
export function validateMemo(memo, type) {
    switch (type) {
        case 'NO_MEMO':
            return !memo || memo.length === 0;
        case 'MEMO_TEXT':
            return memo.length <= MEMO_TEXT_MAXIMUM_SIZE;
        case 'MEMO_ID':
            return !new BigNumber(memo.toString()).isNaN();
        case 'MEMO_HASH':
        case 'MEMO_RETURN':
            return memo.length === 64;
    }
}
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