var-naming: don't use underscores in Go names; struct field Hash_zks should be HashZks (revive)

non-wrapping format verb for fmt.Errorf. Use `%w` to format errors (errorlint)

non-wrapping format verb for fmt.Errorf. Use `%w` to format errors (errorlint)

non-wrapping format verb for fmt.Errorf. Use `%w` to format errors (errorlint)

S1008: should use 'return err == nil' instead of 'if err != nil { return false }; return true' (gosimple)

fmt.Errorf can be replaced with errors.New (perfsprint)

fmt.Errorf can be replaced with errors.New (perfsprint)

var-declaration: should omit type string from declaration of var TokenPoolZKBin; it will be inferred from the right-hand side (revive)

unnecessary leading newline (whitespace)