Fix block private key account proxy.

diff --git a/src/lib/block.ts b/src/lib/block.ts
index 57e032b11bea1eca3bf686bd909ba85dbdf4dcf3..092b32b3abc095f2194dd0219aecfbcb7286bbe6 100644 (file)
--- a/src/lib/block.ts
+++ b/src/lib/block.ts
@@ -141,7 +141,7 @@ abstract class Block {
                } else {
                        try {
                                const account = (typeof input === 'string')
-                                       ? await Account.import({ privateKey: input }, '')
+                                       ? await Account.import({ index: 0, privateKey: input }, '')
                                        : this.account
                                this.signature = await account.sign(this, '')
                        } catch (err) {