message: Make evidence non optional
diff: @@ -227,8 +227,7 @@ export interface Block {
  */
  readonly lastCommit: Commit | null;
  readonly txs: readonly Uint8Array[];
  - // This field becomes non-optional in 0.28 (https://github.com/cosmos/cosmjs/issues/1011)
  - readonly evidence?: readonly Evidence[];
  + readonly evidence: readonly Evidence[];
  }
  /**
  