fix: rootKey empty check by len equals 0 (backport #801) #1800

Annotations

10 errors and 2 warnings

expected declaration, found '<<' (typecheck)

illegal character U+0023 '#' (typecheck)

expected declaration, found '<<' (typecheck)

illegal character U+0023 '#' (typecheck)

import 'github.com/cosmos/iavl/internal/bytes' is not allowed from list 'Main' (depguard)

import 'github.com/cosmos/iavl/cache' is not allowed from list 'Main' (depguard)

import 'github.com/cosmos/iavl/cache' is not allowed from list 'Main' (depguard)

import 'github.com/stretchr/testify/require' is not allowed from list 'Main' (depguard)

import 'github.com/cosmos/iavl/cache' is not allowed from list 'Main' (depguard)

import 'github.com/cosmos/iavl/internal/encoding' is not allowed from list 'Main' (depguard)

superfluous-else: if block ends with a break statement, so drop this else and outdent its block (revive)

superfluous-else: if block ends with a continue statement, so drop this else and outdent its block (revive)