Specify frontier as optional for wallet signing.

diff --git a/src/lib/wallet/index.ts b/src/lib/wallet/index.ts
index d4c5ed64aa7184e52bad87330a7b5842675e5b5a..16246a61f84f94170cb85c1f90c6b717fce461dd 100644 (file)
--- a/src/lib/wallet/index.ts
+++ b/src/lib/wallet/index.ts
@@ -285,9 +285,9 @@ export class Wallet {
        *\r
        * @param {number} index - Account to use for signing\r
        * @param {Block} block - Block data to be hashed and signed\r
-       * @param {Block} frontier - Previous block data to be cached by Ledger wallet\r
+       * @param {Block} [frontier] - Previous block data to be cached by Ledger wallet\r
        */\r
-       async sign (index: number, block: Block, frontier: Block): Promise<void>\r
+       async sign (index: number, block: Block, frontier?: Block): Promise<void>\r
        async sign (index: number, block: Block, frontier?: Block): Promise<void> {\r
                await _sign(this, this.#vault, index, block, frontier)\r
        }\r