Verify>::Signer = H256 • type AccountIndex = u32 • type Balance = u128 • type Block = Block<Header, UncheckedExtrinsic> • type BlockId = BlockId<Block> • type BlockNumber = u64 • type Hash = H256 • type Header = Header<BlockNumber, BlakeTwo256, DigestItem<Hash, SessionKey>> • type Index = u64 • type SessionKey = Ed25519AuthorityId • type Signature = Ed25519Signature • type Timestamp = u64 • type UncheckedExtrinsict = OpaqueExtrinsict 13 ストレージを定義する。 ハッシュ関数: BLAKE2