ckbfs_types/generated/

ckbfs.rs

// Generated by Molecule 0.7.5

use molecule::prelude::*;
#[derive(Clone)]
pub struct Uint32(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for Uint32 {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for Uint32 {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for Uint32 {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        let raw_data = hex_string(&self.raw_data());
        write!(f, "{}(0x{})", Self::NAME, raw_data)
    }
}
impl ::core::default::Default for Uint32 {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        Uint32::new_unchecked(v)
    }
}
impl Uint32 {
    const DEFAULT_VALUE: [u8; 4] = [0, 0, 0, 0];
    pub const TOTAL_SIZE: usize = 4;
    pub const ITEM_SIZE: usize = 1;
    pub const ITEM_COUNT: usize = 4;
    pub fn nth0(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(0..1))
    }
    pub fn nth1(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(1..2))
    }
    pub fn nth2(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(2..3))
    }
    pub fn nth3(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(3..4))
    }
    pub fn raw_data(&self) -> molecule::bytes::Bytes {
        self.as_bytes()
    }
    pub fn as_reader<'r>(&'r self) -> Uint32Reader<'r> {
        Uint32Reader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for Uint32 {
    type Builder = Uint32Builder;
    const NAME: &'static str = "Uint32";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        Uint32(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        Uint32Reader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        Uint32Reader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder().set([self.nth0(), self.nth1(), self.nth2(), self.nth3()])
    }
}
#[derive(Clone, Copy)]
pub struct Uint32Reader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for Uint32Reader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for Uint32Reader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for Uint32Reader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        let raw_data = hex_string(&self.raw_data());
        write!(f, "{}(0x{})", Self::NAME, raw_data)
    }
}
impl<'r> Uint32Reader<'r> {
    pub const TOTAL_SIZE: usize = 4;
    pub const ITEM_SIZE: usize = 1;
    pub const ITEM_COUNT: usize = 4;
    pub fn nth0(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[0..1])
    }
    pub fn nth1(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[1..2])
    }
    pub fn nth2(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[2..3])
    }
    pub fn nth3(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[3..4])
    }
    pub fn raw_data(&self) -> &'r [u8] {
        self.as_slice()
    }
}
impl<'r> molecule::prelude::Reader<'r> for Uint32Reader<'r> {
    type Entity = Uint32;
    const NAME: &'static str = "Uint32Reader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        Uint32Reader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], _compatible: bool) -> molecule::error::VerificationResult<()> {
        use molecule::verification_error as ve;
        let slice_len = slice.len();
        if slice_len != Self::TOTAL_SIZE {
            return ve!(Self, TotalSizeNotMatch, Self::TOTAL_SIZE, slice_len);
        }
        Ok(())
    }
}
pub struct Uint32Builder(pub(crate) [Byte; 4]);
impl ::core::fmt::Debug for Uint32Builder {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:?})", Self::NAME, &self.0[..])
    }
}
impl ::core::default::Default for Uint32Builder {
    fn default() -> Self {
        Uint32Builder([
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
        ])
    }
}
impl Uint32Builder {
    pub const TOTAL_SIZE: usize = 4;
    pub const ITEM_SIZE: usize = 1;
    pub const ITEM_COUNT: usize = 4;
    pub fn set(mut self, v: [Byte; 4]) -> Self {
        self.0 = v;
        self
    }
    pub fn nth0(mut self, v: Byte) -> Self {
        self.0[0] = v;
        self
    }
    pub fn nth1(mut self, v: Byte) -> Self {
        self.0[1] = v;
        self
    }
    pub fn nth2(mut self, v: Byte) -> Self {
        self.0[2] = v;
        self
    }
    pub fn nth3(mut self, v: Byte) -> Self {
        self.0[3] = v;
        self
    }
}
impl molecule::prelude::Builder for Uint32Builder {
    type Entity = Uint32;
    const NAME: &'static str = "Uint32Builder";
    fn expected_length(&self) -> usize {
        Self::TOTAL_SIZE
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        writer.write_all(self.0[0].as_slice())?;
        writer.write_all(self.0[1].as_slice())?;
        writer.write_all(self.0[2].as_slice())?;
        writer.write_all(self.0[3].as_slice())?;
        Ok(())
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        Uint32::new_unchecked(inner.into())
    }
}
#[derive(Clone)]
pub struct Byte32(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for Byte32 {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for Byte32 {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for Byte32 {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        let raw_data = hex_string(&self.raw_data());
        write!(f, "{}(0x{})", Self::NAME, raw_data)
    }
}
impl ::core::default::Default for Byte32 {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        Byte32::new_unchecked(v)
    }
}
impl Byte32 {
    const DEFAULT_VALUE: [u8; 32] = [
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0,
    ];
    pub const TOTAL_SIZE: usize = 32;
    pub const ITEM_SIZE: usize = 1;
    pub const ITEM_COUNT: usize = 32;
    pub fn nth0(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(0..1))
    }
    pub fn nth1(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(1..2))
    }
    pub fn nth2(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(2..3))
    }
    pub fn nth3(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(3..4))
    }
    pub fn nth4(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(4..5))
    }
    pub fn nth5(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(5..6))
    }
    pub fn nth6(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(6..7))
    }
    pub fn nth7(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(7..8))
    }
    pub fn nth8(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(8..9))
    }
    pub fn nth9(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(9..10))
    }
    pub fn nth10(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(10..11))
    }
    pub fn nth11(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(11..12))
    }
    pub fn nth12(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(12..13))
    }
    pub fn nth13(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(13..14))
    }
    pub fn nth14(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(14..15))
    }
    pub fn nth15(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(15..16))
    }
    pub fn nth16(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(16..17))
    }
    pub fn nth17(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(17..18))
    }
    pub fn nth18(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(18..19))
    }
    pub fn nth19(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(19..20))
    }
    pub fn nth20(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(20..21))
    }
    pub fn nth21(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(21..22))
    }
    pub fn nth22(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(22..23))
    }
    pub fn nth23(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(23..24))
    }
    pub fn nth24(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(24..25))
    }
    pub fn nth25(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(25..26))
    }
    pub fn nth26(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(26..27))
    }
    pub fn nth27(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(27..28))
    }
    pub fn nth28(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(28..29))
    }
    pub fn nth29(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(29..30))
    }
    pub fn nth30(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(30..31))
    }
    pub fn nth31(&self) -> Byte {
        Byte::new_unchecked(self.0.slice(31..32))
    }
    pub fn raw_data(&self) -> molecule::bytes::Bytes {
        self.as_bytes()
    }
    pub fn as_reader<'r>(&'r self) -> Byte32Reader<'r> {
        Byte32Reader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for Byte32 {
    type Builder = Byte32Builder;
    const NAME: &'static str = "Byte32";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        Byte32(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        Byte32Reader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        Byte32Reader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder().set([
            self.nth0(),
            self.nth1(),
            self.nth2(),
            self.nth3(),
            self.nth4(),
            self.nth5(),
            self.nth6(),
            self.nth7(),
            self.nth8(),
            self.nth9(),
            self.nth10(),
            self.nth11(),
            self.nth12(),
            self.nth13(),
            self.nth14(),
            self.nth15(),
            self.nth16(),
            self.nth17(),
            self.nth18(),
            self.nth19(),
            self.nth20(),
            self.nth21(),
            self.nth22(),
            self.nth23(),
            self.nth24(),
            self.nth25(),
            self.nth26(),
            self.nth27(),
            self.nth28(),
            self.nth29(),
            self.nth30(),
            self.nth31(),
        ])
    }
}
#[derive(Clone, Copy)]
pub struct Byte32Reader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for Byte32Reader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for Byte32Reader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for Byte32Reader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        let raw_data = hex_string(&self.raw_data());
        write!(f, "{}(0x{})", Self::NAME, raw_data)
    }
}
impl<'r> Byte32Reader<'r> {
    pub const TOTAL_SIZE: usize = 32;
    pub const ITEM_SIZE: usize = 1;
    pub const ITEM_COUNT: usize = 32;
    pub fn nth0(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[0..1])
    }
    pub fn nth1(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[1..2])
    }
    pub fn nth2(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[2..3])
    }
    pub fn nth3(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[3..4])
    }
    pub fn nth4(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[4..5])
    }
    pub fn nth5(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[5..6])
    }
    pub fn nth6(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[6..7])
    }
    pub fn nth7(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[7..8])
    }
    pub fn nth8(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[8..9])
    }
    pub fn nth9(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[9..10])
    }
    pub fn nth10(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[10..11])
    }
    pub fn nth11(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[11..12])
    }
    pub fn nth12(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[12..13])
    }
    pub fn nth13(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[13..14])
    }
    pub fn nth14(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[14..15])
    }
    pub fn nth15(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[15..16])
    }
    pub fn nth16(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[16..17])
    }
    pub fn nth17(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[17..18])
    }
    pub fn nth18(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[18..19])
    }
    pub fn nth19(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[19..20])
    }
    pub fn nth20(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[20..21])
    }
    pub fn nth21(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[21..22])
    }
    pub fn nth22(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[22..23])
    }
    pub fn nth23(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[23..24])
    }
    pub fn nth24(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[24..25])
    }
    pub fn nth25(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[25..26])
    }
    pub fn nth26(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[26..27])
    }
    pub fn nth27(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[27..28])
    }
    pub fn nth28(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[28..29])
    }
    pub fn nth29(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[29..30])
    }
    pub fn nth30(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[30..31])
    }
    pub fn nth31(&self) -> ByteReader<'r> {
        ByteReader::new_unchecked(&self.as_slice()[31..32])
    }
    pub fn raw_data(&self) -> &'r [u8] {
        self.as_slice()
    }
}
impl<'r> molecule::prelude::Reader<'r> for Byte32Reader<'r> {
    type Entity = Byte32;
    const NAME: &'static str = "Byte32Reader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        Byte32Reader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], _compatible: bool) -> molecule::error::VerificationResult<()> {
        use molecule::verification_error as ve;
        let slice_len = slice.len();
        if slice_len != Self::TOTAL_SIZE {
            return ve!(Self, TotalSizeNotMatch, Self::TOTAL_SIZE, slice_len);
        }
        Ok(())
    }
}
pub struct Byte32Builder(pub(crate) [Byte; 32]);
impl ::core::fmt::Debug for Byte32Builder {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:?})", Self::NAME, &self.0[..])
    }
}
impl ::core::default::Default for Byte32Builder {
    fn default() -> Self {
        Byte32Builder([
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
            Byte::default(),
        ])
    }
}
impl Byte32Builder {
    pub const TOTAL_SIZE: usize = 32;
    pub const ITEM_SIZE: usize = 1;
    pub const ITEM_COUNT: usize = 32;
    pub fn set(mut self, v: [Byte; 32]) -> Self {
        self.0 = v;
        self
    }
    pub fn nth0(mut self, v: Byte) -> Self {
        self.0[0] = v;
        self
    }
    pub fn nth1(mut self, v: Byte) -> Self {
        self.0[1] = v;
        self
    }
    pub fn nth2(mut self, v: Byte) -> Self {
        self.0[2] = v;
        self
    }
    pub fn nth3(mut self, v: Byte) -> Self {
        self.0[3] = v;
        self
    }
    pub fn nth4(mut self, v: Byte) -> Self {
        self.0[4] = v;
        self
    }
    pub fn nth5(mut self, v: Byte) -> Self {
        self.0[5] = v;
        self
    }
    pub fn nth6(mut self, v: Byte) -> Self {
        self.0[6] = v;
        self
    }
    pub fn nth7(mut self, v: Byte) -> Self {
        self.0[7] = v;
        self
    }
    pub fn nth8(mut self, v: Byte) -> Self {
        self.0[8] = v;
        self
    }
    pub fn nth9(mut self, v: Byte) -> Self {
        self.0[9] = v;
        self
    }
    pub fn nth10(mut self, v: Byte) -> Self {
        self.0[10] = v;
        self
    }
    pub fn nth11(mut self, v: Byte) -> Self {
        self.0[11] = v;
        self
    }
    pub fn nth12(mut self, v: Byte) -> Self {
        self.0[12] = v;
        self
    }
    pub fn nth13(mut self, v: Byte) -> Self {
        self.0[13] = v;
        self
    }
    pub fn nth14(mut self, v: Byte) -> Self {
        self.0[14] = v;
        self
    }
    pub fn nth15(mut self, v: Byte) -> Self {
        self.0[15] = v;
        self
    }
    pub fn nth16(mut self, v: Byte) -> Self {
        self.0[16] = v;
        self
    }
    pub fn nth17(mut self, v: Byte) -> Self {
        self.0[17] = v;
        self
    }
    pub fn nth18(mut self, v: Byte) -> Self {
        self.0[18] = v;
        self
    }
    pub fn nth19(mut self, v: Byte) -> Self {
        self.0[19] = v;
        self
    }
    pub fn nth20(mut self, v: Byte) -> Self {
        self.0[20] = v;
        self
    }
    pub fn nth21(mut self, v: Byte) -> Self {
        self.0[21] = v;
        self
    }
    pub fn nth22(mut self, v: Byte) -> Self {
        self.0[22] = v;
        self
    }
    pub fn nth23(mut self, v: Byte) -> Self {
        self.0[23] = v;
        self
    }
    pub fn nth24(mut self, v: Byte) -> Self {
        self.0[24] = v;
        self
    }
    pub fn nth25(mut self, v: Byte) -> Self {
        self.0[25] = v;
        self
    }
    pub fn nth26(mut self, v: Byte) -> Self {
        self.0[26] = v;
        self
    }
    pub fn nth27(mut self, v: Byte) -> Self {
        self.0[27] = v;
        self
    }
    pub fn nth28(mut self, v: Byte) -> Self {
        self.0[28] = v;
        self
    }
    pub fn nth29(mut self, v: Byte) -> Self {
        self.0[29] = v;
        self
    }
    pub fn nth30(mut self, v: Byte) -> Self {
        self.0[30] = v;
        self
    }
    pub fn nth31(mut self, v: Byte) -> Self {
        self.0[31] = v;
        self
    }
}
impl molecule::prelude::Builder for Byte32Builder {
    type Entity = Byte32;
    const NAME: &'static str = "Byte32Builder";
    fn expected_length(&self) -> usize {
        Self::TOTAL_SIZE
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        writer.write_all(self.0[0].as_slice())?;
        writer.write_all(self.0[1].as_slice())?;
        writer.write_all(self.0[2].as_slice())?;
        writer.write_all(self.0[3].as_slice())?;
        writer.write_all(self.0[4].as_slice())?;
        writer.write_all(self.0[5].as_slice())?;
        writer.write_all(self.0[6].as_slice())?;
        writer.write_all(self.0[7].as_slice())?;
        writer.write_all(self.0[8].as_slice())?;
        writer.write_all(self.0[9].as_slice())?;
        writer.write_all(self.0[10].as_slice())?;
        writer.write_all(self.0[11].as_slice())?;
        writer.write_all(self.0[12].as_slice())?;
        writer.write_all(self.0[13].as_slice())?;
        writer.write_all(self.0[14].as_slice())?;
        writer.write_all(self.0[15].as_slice())?;
        writer.write_all(self.0[16].as_slice())?;
        writer.write_all(self.0[17].as_slice())?;
        writer.write_all(self.0[18].as_slice())?;
        writer.write_all(self.0[19].as_slice())?;
        writer.write_all(self.0[20].as_slice())?;
        writer.write_all(self.0[21].as_slice())?;
        writer.write_all(self.0[22].as_slice())?;
        writer.write_all(self.0[23].as_slice())?;
        writer.write_all(self.0[24].as_slice())?;
        writer.write_all(self.0[25].as_slice())?;
        writer.write_all(self.0[26].as_slice())?;
        writer.write_all(self.0[27].as_slice())?;
        writer.write_all(self.0[28].as_slice())?;
        writer.write_all(self.0[29].as_slice())?;
        writer.write_all(self.0[30].as_slice())?;
        writer.write_all(self.0[31].as_slice())?;
        Ok(())
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        Byte32::new_unchecked(inner.into())
    }
}
#[derive(Clone)]
pub struct Bytes(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for Bytes {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for Bytes {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for Bytes {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        let raw_data = hex_string(&self.raw_data());
        write!(f, "{}(0x{})", Self::NAME, raw_data)
    }
}
impl ::core::default::Default for Bytes {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        Bytes::new_unchecked(v)
    }
}
impl Bytes {
    const DEFAULT_VALUE: [u8; 4] = [0, 0, 0, 0];
    pub const ITEM_SIZE: usize = 1;
    pub fn total_size(&self) -> usize {
        molecule::NUMBER_SIZE + Self::ITEM_SIZE * self.item_count()
    }
    pub fn item_count(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn len(&self) -> usize {
        self.item_count()
    }
    pub fn is_empty(&self) -> bool {
        self.len() == 0
    }
    pub fn get(&self, idx: usize) -> Option<Byte> {
        if idx >= self.len() {
            None
        } else {
            Some(self.get_unchecked(idx))
        }
    }
    pub fn get_unchecked(&self, idx: usize) -> Byte {
        let start = molecule::NUMBER_SIZE + Self::ITEM_SIZE * idx;
        let end = start + Self::ITEM_SIZE;
        Byte::new_unchecked(self.0.slice(start..end))
    }
    pub fn raw_data(&self) -> molecule::bytes::Bytes {
        self.0.slice(molecule::NUMBER_SIZE..)
    }
    pub fn as_reader<'r>(&'r self) -> BytesReader<'r> {
        BytesReader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for Bytes {
    type Builder = BytesBuilder;
    const NAME: &'static str = "Bytes";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        Bytes(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        BytesReader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        BytesReader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder().extend(self.into_iter())
    }
}
#[derive(Clone, Copy)]
pub struct BytesReader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for BytesReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for BytesReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for BytesReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        let raw_data = hex_string(&self.raw_data());
        write!(f, "{}(0x{})", Self::NAME, raw_data)
    }
}
impl<'r> BytesReader<'r> {
    pub const ITEM_SIZE: usize = 1;
    pub fn total_size(&self) -> usize {
        molecule::NUMBER_SIZE + Self::ITEM_SIZE * self.item_count()
    }
    pub fn item_count(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn len(&self) -> usize {
        self.item_count()
    }
    pub fn is_empty(&self) -> bool {
        self.len() == 0
    }
    pub fn get(&self, idx: usize) -> Option<ByteReader<'r>> {
        if idx >= self.len() {
            None
        } else {
            Some(self.get_unchecked(idx))
        }
    }
    pub fn get_unchecked(&self, idx: usize) -> ByteReader<'r> {
        let start = molecule::NUMBER_SIZE + Self::ITEM_SIZE * idx;
        let end = start + Self::ITEM_SIZE;
        ByteReader::new_unchecked(&self.as_slice()[start..end])
    }
    pub fn raw_data(&self) -> &'r [u8] {
        &self.as_slice()[molecule::NUMBER_SIZE..]
    }
}
impl<'r> molecule::prelude::Reader<'r> for BytesReader<'r> {
    type Entity = Bytes;
    const NAME: &'static str = "BytesReader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        BytesReader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], _compatible: bool) -> molecule::error::VerificationResult<()> {
        use molecule::verification_error as ve;
        let slice_len = slice.len();
        if slice_len < molecule::NUMBER_SIZE {
            return ve!(Self, HeaderIsBroken, molecule::NUMBER_SIZE, slice_len);
        }
        let item_count = molecule::unpack_number(slice) as usize;
        if item_count == 0 {
            if slice_len != molecule::NUMBER_SIZE {
                return ve!(Self, TotalSizeNotMatch, molecule::NUMBER_SIZE, slice_len);
            }
            return Ok(());
        }
        let total_size = molecule::NUMBER_SIZE + Self::ITEM_SIZE * item_count;
        if slice_len != total_size {
            return ve!(Self, TotalSizeNotMatch, total_size, slice_len);
        }
        Ok(())
    }
}
#[derive(Debug, Default)]
pub struct BytesBuilder(pub(crate) Vec<Byte>);
impl BytesBuilder {
    pub const ITEM_SIZE: usize = 1;
    pub fn set(mut self, v: Vec<Byte>) -> Self {
        self.0 = v;
        self
    }
    pub fn push(mut self, v: Byte) -> Self {
        self.0.push(v);
        self
    }
    pub fn extend<T: ::core::iter::IntoIterator<Item = Byte>>(mut self, iter: T) -> Self {
        for elem in iter {
            self.0.push(elem);
        }
        self
    }
    pub fn replace(&mut self, index: usize, v: Byte) -> Option<Byte> {
        self.0
            .get_mut(index)
            .map(|item| ::core::mem::replace(item, v))
    }
}
impl molecule::prelude::Builder for BytesBuilder {
    type Entity = Bytes;
    const NAME: &'static str = "BytesBuilder";
    fn expected_length(&self) -> usize {
        molecule::NUMBER_SIZE + Self::ITEM_SIZE * self.0.len()
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        writer.write_all(&molecule::pack_number(self.0.len() as molecule::Number))?;
        for inner in &self.0[..] {
            writer.write_all(inner.as_slice())?;
        }
        Ok(())
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        Bytes::new_unchecked(inner.into())
    }
}
pub struct BytesIterator(Bytes, usize, usize);
impl ::core::iter::Iterator for BytesIterator {
    type Item = Byte;
    fn next(&mut self) -> Option<Self::Item> {
        if self.1 >= self.2 {
            None
        } else {
            let ret = self.0.get_unchecked(self.1);
            self.1 += 1;
            Some(ret)
        }
    }
}
impl ::core::iter::ExactSizeIterator for BytesIterator {
    fn len(&self) -> usize {
        self.2 - self.1
    }
}
impl ::core::iter::IntoIterator for Bytes {
    type Item = Byte;
    type IntoIter = BytesIterator;
    fn into_iter(self) -> Self::IntoIter {
        let len = self.len();
        BytesIterator(self, 0, len)
    }
}
#[derive(Clone)]
pub struct Uint32Opt(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for Uint32Opt {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for Uint32Opt {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for Uint32Opt {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        if let Some(v) = self.to_opt() {
            write!(f, "{}(Some({}))", Self::NAME, v)
        } else {
            write!(f, "{}(None)", Self::NAME)
        }
    }
}
impl ::core::default::Default for Uint32Opt {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        Uint32Opt::new_unchecked(v)
    }
}
impl Uint32Opt {
    const DEFAULT_VALUE: [u8; 0] = [];
    pub fn is_none(&self) -> bool {
        self.0.is_empty()
    }
    pub fn is_some(&self) -> bool {
        !self.0.is_empty()
    }
    pub fn to_opt(&self) -> Option<Uint32> {
        if self.is_none() {
            None
        } else {
            Some(Uint32::new_unchecked(self.0.clone()))
        }
    }
    pub fn as_reader<'r>(&'r self) -> Uint32OptReader<'r> {
        Uint32OptReader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for Uint32Opt {
    type Builder = Uint32OptBuilder;
    const NAME: &'static str = "Uint32Opt";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        Uint32Opt(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        Uint32OptReader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        Uint32OptReader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder().set(self.to_opt())
    }
}
#[derive(Clone, Copy)]
pub struct Uint32OptReader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for Uint32OptReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for Uint32OptReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for Uint32OptReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        if let Some(v) = self.to_opt() {
            write!(f, "{}(Some({}))", Self::NAME, v)
        } else {
            write!(f, "{}(None)", Self::NAME)
        }
    }
}
impl<'r> Uint32OptReader<'r> {
    pub fn is_none(&self) -> bool {
        self.0.is_empty()
    }
    pub fn is_some(&self) -> bool {
        !self.0.is_empty()
    }
    pub fn to_opt(&self) -> Option<Uint32Reader<'r>> {
        if self.is_none() {
            None
        } else {
            Some(Uint32Reader::new_unchecked(self.as_slice()))
        }
    }
}
impl<'r> molecule::prelude::Reader<'r> for Uint32OptReader<'r> {
    type Entity = Uint32Opt;
    const NAME: &'static str = "Uint32OptReader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        Uint32OptReader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], compatible: bool) -> molecule::error::VerificationResult<()> {
        if !slice.is_empty() {
            Uint32Reader::verify(&slice[..], compatible)?;
        }
        Ok(())
    }
}
#[derive(Debug, Default)]
pub struct Uint32OptBuilder(pub(crate) Option<Uint32>);
impl Uint32OptBuilder {
    pub fn set(mut self, v: Option<Uint32>) -> Self {
        self.0 = v;
        self
    }
}
impl molecule::prelude::Builder for Uint32OptBuilder {
    type Entity = Uint32Opt;
    const NAME: &'static str = "Uint32OptBuilder";
    fn expected_length(&self) -> usize {
        self.0
            .as_ref()
            .map(|ref inner| inner.as_slice().len())
            .unwrap_or(0)
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        self.0
            .as_ref()
            .map(|ref inner| writer.write_all(inner.as_slice()))
            .unwrap_or(Ok(()))
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        Uint32Opt::new_unchecked(inner.into())
    }
}
#[derive(Clone)]
pub struct Indexes(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for Indexes {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for Indexes {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for Indexes {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} [", Self::NAME)?;
        for i in 0..self.len() {
            if i == 0 {
                write!(f, "{}", self.get_unchecked(i))?;
            } else {
                write!(f, ", {}", self.get_unchecked(i))?;
            }
        }
        write!(f, "]")
    }
}
impl ::core::default::Default for Indexes {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        Indexes::new_unchecked(v)
    }
}
impl Indexes {
    const DEFAULT_VALUE: [u8; 4] = [0, 0, 0, 0];
    pub const ITEM_SIZE: usize = 4;
    pub fn total_size(&self) -> usize {
        molecule::NUMBER_SIZE + Self::ITEM_SIZE * self.item_count()
    }
    pub fn item_count(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn len(&self) -> usize {
        self.item_count()
    }
    pub fn is_empty(&self) -> bool {
        self.len() == 0
    }
    pub fn get(&self, idx: usize) -> Option<Uint32> {
        if idx >= self.len() {
            None
        } else {
            Some(self.get_unchecked(idx))
        }
    }
    pub fn get_unchecked(&self, idx: usize) -> Uint32 {
        let start = molecule::NUMBER_SIZE + Self::ITEM_SIZE * idx;
        let end = start + Self::ITEM_SIZE;
        Uint32::new_unchecked(self.0.slice(start..end))
    }
    pub fn as_reader<'r>(&'r self) -> IndexesReader<'r> {
        IndexesReader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for Indexes {
    type Builder = IndexesBuilder;
    const NAME: &'static str = "Indexes";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        Indexes(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        IndexesReader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        IndexesReader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder().extend(self.into_iter())
    }
}
#[derive(Clone, Copy)]
pub struct IndexesReader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for IndexesReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for IndexesReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for IndexesReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} [", Self::NAME)?;
        for i in 0..self.len() {
            if i == 0 {
                write!(f, "{}", self.get_unchecked(i))?;
            } else {
                write!(f, ", {}", self.get_unchecked(i))?;
            }
        }
        write!(f, "]")
    }
}
impl<'r> IndexesReader<'r> {
    pub const ITEM_SIZE: usize = 4;
    pub fn total_size(&self) -> usize {
        molecule::NUMBER_SIZE + Self::ITEM_SIZE * self.item_count()
    }
    pub fn item_count(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn len(&self) -> usize {
        self.item_count()
    }
    pub fn is_empty(&self) -> bool {
        self.len() == 0
    }
    pub fn get(&self, idx: usize) -> Option<Uint32Reader<'r>> {
        if idx >= self.len() {
            None
        } else {
            Some(self.get_unchecked(idx))
        }
    }
    pub fn get_unchecked(&self, idx: usize) -> Uint32Reader<'r> {
        let start = molecule::NUMBER_SIZE + Self::ITEM_SIZE * idx;
        let end = start + Self::ITEM_SIZE;
        Uint32Reader::new_unchecked(&self.as_slice()[start..end])
    }
}
impl<'r> molecule::prelude::Reader<'r> for IndexesReader<'r> {
    type Entity = Indexes;
    const NAME: &'static str = "IndexesReader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        IndexesReader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], _compatible: bool) -> molecule::error::VerificationResult<()> {
        use molecule::verification_error as ve;
        let slice_len = slice.len();
        if slice_len < molecule::NUMBER_SIZE {
            return ve!(Self, HeaderIsBroken, molecule::NUMBER_SIZE, slice_len);
        }
        let item_count = molecule::unpack_number(slice) as usize;
        if item_count == 0 {
            if slice_len != molecule::NUMBER_SIZE {
                return ve!(Self, TotalSizeNotMatch, molecule::NUMBER_SIZE, slice_len);
            }
            return Ok(());
        }
        let total_size = molecule::NUMBER_SIZE + Self::ITEM_SIZE * item_count;
        if slice_len != total_size {
            return ve!(Self, TotalSizeNotMatch, total_size, slice_len);
        }
        Ok(())
    }
}
#[derive(Debug, Default)]
pub struct IndexesBuilder(pub(crate) Vec<Uint32>);
impl IndexesBuilder {
    pub const ITEM_SIZE: usize = 4;
    pub fn set(mut self, v: Vec<Uint32>) -> Self {
        self.0 = v;
        self
    }
    pub fn push(mut self, v: Uint32) -> Self {
        self.0.push(v);
        self
    }
    pub fn extend<T: ::core::iter::IntoIterator<Item = Uint32>>(mut self, iter: T) -> Self {
        for elem in iter {
            self.0.push(elem);
        }
        self
    }
    pub fn replace(&mut self, index: usize, v: Uint32) -> Option<Uint32> {
        self.0
            .get_mut(index)
            .map(|item| ::core::mem::replace(item, v))
    }
}
impl molecule::prelude::Builder for IndexesBuilder {
    type Entity = Indexes;
    const NAME: &'static str = "IndexesBuilder";
    fn expected_length(&self) -> usize {
        molecule::NUMBER_SIZE + Self::ITEM_SIZE * self.0.len()
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        writer.write_all(&molecule::pack_number(self.0.len() as molecule::Number))?;
        for inner in &self.0[..] {
            writer.write_all(inner.as_slice())?;
        }
        Ok(())
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        Indexes::new_unchecked(inner.into())
    }
}
pub struct IndexesIterator(Indexes, usize, usize);
impl ::core::iter::Iterator for IndexesIterator {
    type Item = Uint32;
    fn next(&mut self) -> Option<Self::Item> {
        if self.1 >= self.2 {
            None
        } else {
            let ret = self.0.get_unchecked(self.1);
            self.1 += 1;
            Some(ret)
        }
    }
}
impl ::core::iter::ExactSizeIterator for IndexesIterator {
    fn len(&self) -> usize {
        self.2 - self.1
    }
}
impl ::core::iter::IntoIterator for Indexes {
    type Item = Uint32;
    type IntoIter = IndexesIterator;
    fn into_iter(self) -> Self::IntoIter {
        let len = self.len();
        IndexesIterator(self, 0, len)
    }
}
impl<'r> IndexesReader<'r> {
    pub fn iter<'t>(&'t self) -> IndexesReaderIterator<'t, 'r> {
        IndexesReaderIterator(&self, 0, self.len())
    }
}
pub struct IndexesReaderIterator<'t, 'r>(&'t IndexesReader<'r>, usize, usize);
impl<'t: 'r, 'r> ::core::iter::Iterator for IndexesReaderIterator<'t, 'r> {
    type Item = Uint32Reader<'t>;
    fn next(&mut self) -> Option<Self::Item> {
        if self.1 >= self.2 {
            None
        } else {
            let ret = self.0.get_unchecked(self.1);
            self.1 += 1;
            Some(ret)
        }
    }
}
impl<'t: 'r, 'r> ::core::iter::ExactSizeIterator for IndexesReaderIterator<'t, 'r> {
    fn len(&self) -> usize {
        self.2 - self.1
    }
}
#[derive(Clone)]
pub struct CKBFSData(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for CKBFSData {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for CKBFSData {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for CKBFSData {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} {{ ", Self::NAME)?;
        write!(f, "{}: {}", "indexes", self.indexes())?;
        write!(f, ", {}: {}", "checksum", self.checksum())?;
        write!(f, ", {}: {}", "content_type", self.content_type())?;
        write!(f, ", {}: {}", "filename", self.filename())?;
        write!(f, ", {}: {}", "backlinks", self.backlinks())?;
        let extra_count = self.count_extra_fields();
        if extra_count != 0 {
            write!(f, ", .. ({} fields)", extra_count)?;
        }
        write!(f, " }}")
    }
}
impl ::core::default::Default for CKBFSData {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        CKBFSData::new_unchecked(v)
    }
}
impl CKBFSData {
    const DEFAULT_VALUE: [u8; 44] = [
        44, 0, 0, 0, 24, 0, 0, 0, 28, 0, 0, 0, 32, 0, 0, 0, 36, 0, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0,
    ];
    pub const FIELD_COUNT: usize = 5;
    pub fn total_size(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn field_count(&self) -> usize {
        if self.total_size() == molecule::NUMBER_SIZE {
            0
        } else {
            (molecule::unpack_number(&self.as_slice()[molecule::NUMBER_SIZE..]) as usize / 4) - 1
        }
    }
    pub fn count_extra_fields(&self) -> usize {
        self.field_count() - Self::FIELD_COUNT
    }
    pub fn has_extra_fields(&self) -> bool {
        Self::FIELD_COUNT != self.field_count()
    }
    pub fn indexes(&self) -> Indexes {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[4..]) as usize;
        let end = molecule::unpack_number(&slice[8..]) as usize;
        Indexes::new_unchecked(self.0.slice(start..end))
    }
    pub fn checksum(&self) -> Uint32 {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[8..]) as usize;
        let end = molecule::unpack_number(&slice[12..]) as usize;
        Uint32::new_unchecked(self.0.slice(start..end))
    }
    pub fn content_type(&self) -> Bytes {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[12..]) as usize;
        let end = molecule::unpack_number(&slice[16..]) as usize;
        Bytes::new_unchecked(self.0.slice(start..end))
    }
    pub fn filename(&self) -> Bytes {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[16..]) as usize;
        let end = molecule::unpack_number(&slice[20..]) as usize;
        Bytes::new_unchecked(self.0.slice(start..end))
    }
    pub fn backlinks(&self) -> BackLinkVec {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[20..]) as usize;
        if self.has_extra_fields() {
            let end = molecule::unpack_number(&slice[24..]) as usize;
            BackLinkVec::new_unchecked(self.0.slice(start..end))
        } else {
            BackLinkVec::new_unchecked(self.0.slice(start..))
        }
    }
    pub fn as_reader<'r>(&'r self) -> CKBFSDataReader<'r> {
        CKBFSDataReader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for CKBFSData {
    type Builder = CKBFSDataBuilder;
    const NAME: &'static str = "CKBFSData";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        CKBFSData(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        CKBFSDataReader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        CKBFSDataReader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder()
            .indexes(self.indexes())
            .checksum(self.checksum())
            .content_type(self.content_type())
            .filename(self.filename())
            .backlinks(self.backlinks())
    }
}
#[derive(Clone, Copy)]
pub struct CKBFSDataReader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for CKBFSDataReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for CKBFSDataReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for CKBFSDataReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} {{ ", Self::NAME)?;
        write!(f, "{}: {}", "indexes", self.indexes())?;
        write!(f, ", {}: {}", "checksum", self.checksum())?;
        write!(f, ", {}: {}", "content_type", self.content_type())?;
        write!(f, ", {}: {}", "filename", self.filename())?;
        write!(f, ", {}: {}", "backlinks", self.backlinks())?;
        let extra_count = self.count_extra_fields();
        if extra_count != 0 {
            write!(f, ", .. ({} fields)", extra_count)?;
        }
        write!(f, " }}")
    }
}
impl<'r> CKBFSDataReader<'r> {
    pub const FIELD_COUNT: usize = 5;
    pub fn total_size(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn field_count(&self) -> usize {
        if self.total_size() == molecule::NUMBER_SIZE {
            0
        } else {
            (molecule::unpack_number(&self.as_slice()[molecule::NUMBER_SIZE..]) as usize / 4) - 1
        }
    }
    pub fn count_extra_fields(&self) -> usize {
        self.field_count() - Self::FIELD_COUNT
    }
    pub fn has_extra_fields(&self) -> bool {
        Self::FIELD_COUNT != self.field_count()
    }
    pub fn indexes(&self) -> IndexesReader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[4..]) as usize;
        let end = molecule::unpack_number(&slice[8..]) as usize;
        IndexesReader::new_unchecked(&self.as_slice()[start..end])
    }
    pub fn checksum(&self) -> Uint32Reader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[8..]) as usize;
        let end = molecule::unpack_number(&slice[12..]) as usize;
        Uint32Reader::new_unchecked(&self.as_slice()[start..end])
    }
    pub fn content_type(&self) -> BytesReader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[12..]) as usize;
        let end = molecule::unpack_number(&slice[16..]) as usize;
        BytesReader::new_unchecked(&self.as_slice()[start..end])
    }
    pub fn filename(&self) -> BytesReader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[16..]) as usize;
        let end = molecule::unpack_number(&slice[20..]) as usize;
        BytesReader::new_unchecked(&self.as_slice()[start..end])
    }
    pub fn backlinks(&self) -> BackLinkVecReader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[20..]) as usize;
        if self.has_extra_fields() {
            let end = molecule::unpack_number(&slice[24..]) as usize;
            BackLinkVecReader::new_unchecked(&self.as_slice()[start..end])
        } else {
            BackLinkVecReader::new_unchecked(&self.as_slice()[start..])
        }
    }
}
impl<'r> molecule::prelude::Reader<'r> for CKBFSDataReader<'r> {
    type Entity = CKBFSData;
    const NAME: &'static str = "CKBFSDataReader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        CKBFSDataReader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], compatible: bool) -> molecule::error::VerificationResult<()> {
        use molecule::verification_error as ve;
        let slice_len = slice.len();
        if slice_len < molecule::NUMBER_SIZE {
            return ve!(Self, HeaderIsBroken, molecule::NUMBER_SIZE, slice_len);
        }
        let total_size = molecule::unpack_number(slice) as usize;
        if slice_len != total_size {
            return ve!(Self, TotalSizeNotMatch, total_size, slice_len);
        }
        if slice_len < molecule::NUMBER_SIZE * 2 {
            return ve!(Self, HeaderIsBroken, molecule::NUMBER_SIZE * 2, slice_len);
        }
        let offset_first = molecule::unpack_number(&slice[molecule::NUMBER_SIZE..]) as usize;
        if offset_first % molecule::NUMBER_SIZE != 0 || offset_first < molecule::NUMBER_SIZE * 2 {
            return ve!(Self, OffsetsNotMatch);
        }
        if slice_len < offset_first {
            return ve!(Self, HeaderIsBroken, offset_first, slice_len);
        }
        let field_count = offset_first / molecule::NUMBER_SIZE - 1;
        if field_count < Self::FIELD_COUNT {
            return ve!(Self, FieldCountNotMatch, Self::FIELD_COUNT, field_count);
        } else if !compatible && field_count > Self::FIELD_COUNT {
            return ve!(Self, FieldCountNotMatch, Self::FIELD_COUNT, field_count);
        };
        let mut offsets: Vec<usize> = slice[molecule::NUMBER_SIZE..offset_first]
            .chunks_exact(molecule::NUMBER_SIZE)
            .map(|x| molecule::unpack_number(x) as usize)
            .collect();
        offsets.push(total_size);
        if offsets.windows(2).any(|i| i[0] > i[1]) {
            return ve!(Self, OffsetsNotMatch);
        }
        IndexesReader::verify(&slice[offsets[0]..offsets[1]], compatible)?;
        Uint32Reader::verify(&slice[offsets[1]..offsets[2]], compatible)?;
        BytesReader::verify(&slice[offsets[2]..offsets[3]], compatible)?;
        BytesReader::verify(&slice[offsets[3]..offsets[4]], compatible)?;
        BackLinkVecReader::verify(&slice[offsets[4]..offsets[5]], compatible)?;
        Ok(())
    }
}
#[derive(Debug, Default)]
pub struct CKBFSDataBuilder {
    pub(crate) indexes: Indexes,
    pub(crate) checksum: Uint32,
    pub(crate) content_type: Bytes,
    pub(crate) filename: Bytes,
    pub(crate) backlinks: BackLinkVec,
}
impl CKBFSDataBuilder {
    pub const FIELD_COUNT: usize = 5;
    pub fn indexes(mut self, v: Indexes) -> Self {
        self.indexes = v;
        self
    }
    pub fn checksum(mut self, v: Uint32) -> Self {
        self.checksum = v;
        self
    }
    pub fn content_type(mut self, v: Bytes) -> Self {
        self.content_type = v;
        self
    }
    pub fn filename(mut self, v: Bytes) -> Self {
        self.filename = v;
        self
    }
    pub fn backlinks(mut self, v: BackLinkVec) -> Self {
        self.backlinks = v;
        self
    }
}
impl molecule::prelude::Builder for CKBFSDataBuilder {
    type Entity = CKBFSData;
    const NAME: &'static str = "CKBFSDataBuilder";
    fn expected_length(&self) -> usize {
        molecule::NUMBER_SIZE * (Self::FIELD_COUNT + 1)
            + self.indexes.as_slice().len()
            + self.checksum.as_slice().len()
            + self.content_type.as_slice().len()
            + self.filename.as_slice().len()
            + self.backlinks.as_slice().len()
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        let mut total_size = molecule::NUMBER_SIZE * (Self::FIELD_COUNT + 1);
        let mut offsets = Vec::with_capacity(Self::FIELD_COUNT);
        offsets.push(total_size);
        total_size += self.indexes.as_slice().len();
        offsets.push(total_size);
        total_size += self.checksum.as_slice().len();
        offsets.push(total_size);
        total_size += self.content_type.as_slice().len();
        offsets.push(total_size);
        total_size += self.filename.as_slice().len();
        offsets.push(total_size);
        total_size += self.backlinks.as_slice().len();
        writer.write_all(&molecule::pack_number(total_size as molecule::Number))?;
        for offset in offsets.into_iter() {
            writer.write_all(&molecule::pack_number(offset as molecule::Number))?;
        }
        writer.write_all(self.indexes.as_slice())?;
        writer.write_all(self.checksum.as_slice())?;
        writer.write_all(self.content_type.as_slice())?;
        writer.write_all(self.filename.as_slice())?;
        writer.write_all(self.backlinks.as_slice())?;
        Ok(())
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        CKBFSData::new_unchecked(inner.into())
    }
}
#[derive(Clone)]
pub struct BackLink(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for BackLink {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for BackLink {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for BackLink {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} {{ ", Self::NAME)?;
        write!(f, "{}: {}", "indexes", self.indexes())?;
        write!(f, ", {}: {}", "checksum", self.checksum())?;
        write!(f, ", {}: {}", "tx_hash", self.tx_hash())?;
        let extra_count = self.count_extra_fields();
        if extra_count != 0 {
            write!(f, ", .. ({} fields)", extra_count)?;
        }
        write!(f, " }}")
    }
}
impl ::core::default::Default for BackLink {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        BackLink::new_unchecked(v)
    }
}
impl BackLink {
    const DEFAULT_VALUE: [u8; 56] = [
        56, 0, 0, 0, 16, 0, 0, 0, 20, 0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    ];
    pub const FIELD_COUNT: usize = 3;
    pub fn total_size(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn field_count(&self) -> usize {
        if self.total_size() == molecule::NUMBER_SIZE {
            0
        } else {
            (molecule::unpack_number(&self.as_slice()[molecule::NUMBER_SIZE..]) as usize / 4) - 1
        }
    }
    pub fn count_extra_fields(&self) -> usize {
        self.field_count() - Self::FIELD_COUNT
    }
    pub fn has_extra_fields(&self) -> bool {
        Self::FIELD_COUNT != self.field_count()
    }
    pub fn indexes(&self) -> Indexes {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[4..]) as usize;
        let end = molecule::unpack_number(&slice[8..]) as usize;
        Indexes::new_unchecked(self.0.slice(start..end))
    }
    pub fn checksum(&self) -> Uint32 {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[8..]) as usize;
        let end = molecule::unpack_number(&slice[12..]) as usize;
        Uint32::new_unchecked(self.0.slice(start..end))
    }
    pub fn tx_hash(&self) -> Byte32 {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[12..]) as usize;
        if self.has_extra_fields() {
            let end = molecule::unpack_number(&slice[16..]) as usize;
            Byte32::new_unchecked(self.0.slice(start..end))
        } else {
            Byte32::new_unchecked(self.0.slice(start..))
        }
    }
    pub fn as_reader<'r>(&'r self) -> BackLinkReader<'r> {
        BackLinkReader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for BackLink {
    type Builder = BackLinkBuilder;
    const NAME: &'static str = "BackLink";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        BackLink(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        BackLinkReader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        BackLinkReader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder()
            .indexes(self.indexes())
            .checksum(self.checksum())
            .tx_hash(self.tx_hash())
    }
}
#[derive(Clone, Copy)]
pub struct BackLinkReader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for BackLinkReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for BackLinkReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for BackLinkReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} {{ ", Self::NAME)?;
        write!(f, "{}: {}", "indexes", self.indexes())?;
        write!(f, ", {}: {}", "checksum", self.checksum())?;
        write!(f, ", {}: {}", "tx_hash", self.tx_hash())?;
        let extra_count = self.count_extra_fields();
        if extra_count != 0 {
            write!(f, ", .. ({} fields)", extra_count)?;
        }
        write!(f, " }}")
    }
}
impl<'r> BackLinkReader<'r> {
    pub const FIELD_COUNT: usize = 3;
    pub fn total_size(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn field_count(&self) -> usize {
        if self.total_size() == molecule::NUMBER_SIZE {
            0
        } else {
            (molecule::unpack_number(&self.as_slice()[molecule::NUMBER_SIZE..]) as usize / 4) - 1
        }
    }
    pub fn count_extra_fields(&self) -> usize {
        self.field_count() - Self::FIELD_COUNT
    }
    pub fn has_extra_fields(&self) -> bool {
        Self::FIELD_COUNT != self.field_count()
    }
    pub fn indexes(&self) -> IndexesReader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[4..]) as usize;
        let end = molecule::unpack_number(&slice[8..]) as usize;
        IndexesReader::new_unchecked(&self.as_slice()[start..end])
    }
    pub fn checksum(&self) -> Uint32Reader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[8..]) as usize;
        let end = molecule::unpack_number(&slice[12..]) as usize;
        Uint32Reader::new_unchecked(&self.as_slice()[start..end])
    }
    pub fn tx_hash(&self) -> Byte32Reader<'r> {
        let slice = self.as_slice();
        let start = molecule::unpack_number(&slice[12..]) as usize;
        if self.has_extra_fields() {
            let end = molecule::unpack_number(&slice[16..]) as usize;
            Byte32Reader::new_unchecked(&self.as_slice()[start..end])
        } else {
            Byte32Reader::new_unchecked(&self.as_slice()[start..])
        }
    }
}
impl<'r> molecule::prelude::Reader<'r> for BackLinkReader<'r> {
    type Entity = BackLink;
    const NAME: &'static str = "BackLinkReader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        BackLinkReader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], compatible: bool) -> molecule::error::VerificationResult<()> {
        use molecule::verification_error as ve;
        let slice_len = slice.len();
        if slice_len < molecule::NUMBER_SIZE {
            return ve!(Self, HeaderIsBroken, molecule::NUMBER_SIZE, slice_len);
        }
        let total_size = molecule::unpack_number(slice) as usize;
        if slice_len != total_size {
            return ve!(Self, TotalSizeNotMatch, total_size, slice_len);
        }
        if slice_len < molecule::NUMBER_SIZE * 2 {
            return ve!(Self, HeaderIsBroken, molecule::NUMBER_SIZE * 2, slice_len);
        }
        let offset_first = molecule::unpack_number(&slice[molecule::NUMBER_SIZE..]) as usize;
        if offset_first % molecule::NUMBER_SIZE != 0 || offset_first < molecule::NUMBER_SIZE * 2 {
            return ve!(Self, OffsetsNotMatch);
        }
        if slice_len < offset_first {
            return ve!(Self, HeaderIsBroken, offset_first, slice_len);
        }
        let field_count = offset_first / molecule::NUMBER_SIZE - 1;
        if field_count < Self::FIELD_COUNT {
            return ve!(Self, FieldCountNotMatch, Self::FIELD_COUNT, field_count);
        } else if !compatible && field_count > Self::FIELD_COUNT {
            return ve!(Self, FieldCountNotMatch, Self::FIELD_COUNT, field_count);
        };
        let mut offsets: Vec<usize> = slice[molecule::NUMBER_SIZE..offset_first]
            .chunks_exact(molecule::NUMBER_SIZE)
            .map(|x| molecule::unpack_number(x) as usize)
            .collect();
        offsets.push(total_size);
        if offsets.windows(2).any(|i| i[0] > i[1]) {
            return ve!(Self, OffsetsNotMatch);
        }
        IndexesReader::verify(&slice[offsets[0]..offsets[1]], compatible)?;
        Uint32Reader::verify(&slice[offsets[1]..offsets[2]], compatible)?;
        Byte32Reader::verify(&slice[offsets[2]..offsets[3]], compatible)?;
        Ok(())
    }
}
#[derive(Debug, Default)]
pub struct BackLinkBuilder {
    pub(crate) indexes: Indexes,
    pub(crate) checksum: Uint32,
    pub(crate) tx_hash: Byte32,
}
impl BackLinkBuilder {
    pub const FIELD_COUNT: usize = 3;
    pub fn indexes(mut self, v: Indexes) -> Self {
        self.indexes = v;
        self
    }
    pub fn checksum(mut self, v: Uint32) -> Self {
        self.checksum = v;
        self
    }
    pub fn tx_hash(mut self, v: Byte32) -> Self {
        self.tx_hash = v;
        self
    }
}
impl molecule::prelude::Builder for BackLinkBuilder {
    type Entity = BackLink;
    const NAME: &'static str = "BackLinkBuilder";
    fn expected_length(&self) -> usize {
        molecule::NUMBER_SIZE * (Self::FIELD_COUNT + 1)
            + self.indexes.as_slice().len()
            + self.checksum.as_slice().len()
            + self.tx_hash.as_slice().len()
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        let mut total_size = molecule::NUMBER_SIZE * (Self::FIELD_COUNT + 1);
        let mut offsets = Vec::with_capacity(Self::FIELD_COUNT);
        offsets.push(total_size);
        total_size += self.indexes.as_slice().len();
        offsets.push(total_size);
        total_size += self.checksum.as_slice().len();
        offsets.push(total_size);
        total_size += self.tx_hash.as_slice().len();
        writer.write_all(&molecule::pack_number(total_size as molecule::Number))?;
        for offset in offsets.into_iter() {
            writer.write_all(&molecule::pack_number(offset as molecule::Number))?;
        }
        writer.write_all(self.indexes.as_slice())?;
        writer.write_all(self.checksum.as_slice())?;
        writer.write_all(self.tx_hash.as_slice())?;
        Ok(())
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        BackLink::new_unchecked(inner.into())
    }
}
#[derive(Clone)]
pub struct BackLinkVec(molecule::bytes::Bytes);
impl ::core::fmt::LowerHex for BackLinkVec {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl ::core::fmt::Debug for BackLinkVec {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl ::core::fmt::Display for BackLinkVec {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} [", Self::NAME)?;
        for i in 0..self.len() {
            if i == 0 {
                write!(f, "{}", self.get_unchecked(i))?;
            } else {
                write!(f, ", {}", self.get_unchecked(i))?;
            }
        }
        write!(f, "]")
    }
}
impl ::core::default::Default for BackLinkVec {
    fn default() -> Self {
        let v = molecule::bytes::Bytes::from_static(&Self::DEFAULT_VALUE);
        BackLinkVec::new_unchecked(v)
    }
}
impl BackLinkVec {
    const DEFAULT_VALUE: [u8; 4] = [4, 0, 0, 0];
    pub fn total_size(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn item_count(&self) -> usize {
        if self.total_size() == molecule::NUMBER_SIZE {
            0
        } else {
            (molecule::unpack_number(&self.as_slice()[molecule::NUMBER_SIZE..]) as usize / 4) - 1
        }
    }
    pub fn len(&self) -> usize {
        self.item_count()
    }
    pub fn is_empty(&self) -> bool {
        self.len() == 0
    }
    pub fn get(&self, idx: usize) -> Option<BackLink> {
        if idx >= self.len() {
            None
        } else {
            Some(self.get_unchecked(idx))
        }
    }
    pub fn get_unchecked(&self, idx: usize) -> BackLink {
        let slice = self.as_slice();
        let start_idx = molecule::NUMBER_SIZE * (1 + idx);
        let start = molecule::unpack_number(&slice[start_idx..]) as usize;
        if idx == self.len() - 1 {
            BackLink::new_unchecked(self.0.slice(start..))
        } else {
            let end_idx = start_idx + molecule::NUMBER_SIZE;
            let end = molecule::unpack_number(&slice[end_idx..]) as usize;
            BackLink::new_unchecked(self.0.slice(start..end))
        }
    }
    pub fn as_reader<'r>(&'r self) -> BackLinkVecReader<'r> {
        BackLinkVecReader::new_unchecked(self.as_slice())
    }
}
impl molecule::prelude::Entity for BackLinkVec {
    type Builder = BackLinkVecBuilder;
    const NAME: &'static str = "BackLinkVec";
    fn new_unchecked(data: molecule::bytes::Bytes) -> Self {
        BackLinkVec(data)
    }
    fn as_bytes(&self) -> molecule::bytes::Bytes {
        self.0.clone()
    }
    fn as_slice(&self) -> &[u8] {
        &self.0[..]
    }
    fn from_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        BackLinkVecReader::from_slice(slice).map(|reader| reader.to_entity())
    }
    fn from_compatible_slice(slice: &[u8]) -> molecule::error::VerificationResult<Self> {
        BackLinkVecReader::from_compatible_slice(slice).map(|reader| reader.to_entity())
    }
    fn new_builder() -> Self::Builder {
        ::core::default::Default::default()
    }
    fn as_builder(self) -> Self::Builder {
        Self::new_builder().extend(self.into_iter())
    }
}
#[derive(Clone, Copy)]
pub struct BackLinkVecReader<'r>(&'r [u8]);
impl<'r> ::core::fmt::LowerHex for BackLinkVecReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        use molecule::hex_string;
        if f.alternate() {
            write!(f, "0x")?;
        }
        write!(f, "{}", hex_string(self.as_slice()))
    }
}
impl<'r> ::core::fmt::Debug for BackLinkVecReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{}({:#x})", Self::NAME, self)
    }
}
impl<'r> ::core::fmt::Display for BackLinkVecReader<'r> {
    fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
        write!(f, "{} [", Self::NAME)?;
        for i in 0..self.len() {
            if i == 0 {
                write!(f, "{}", self.get_unchecked(i))?;
            } else {
                write!(f, ", {}", self.get_unchecked(i))?;
            }
        }
        write!(f, "]")
    }
}
impl<'r> BackLinkVecReader<'r> {
    pub fn total_size(&self) -> usize {
        molecule::unpack_number(self.as_slice()) as usize
    }
    pub fn item_count(&self) -> usize {
        if self.total_size() == molecule::NUMBER_SIZE {
            0
        } else {
            (molecule::unpack_number(&self.as_slice()[molecule::NUMBER_SIZE..]) as usize / 4) - 1
        }
    }
    pub fn len(&self) -> usize {
        self.item_count()
    }
    pub fn is_empty(&self) -> bool {
        self.len() == 0
    }
    pub fn get(&self, idx: usize) -> Option<BackLinkReader<'r>> {
        if idx >= self.len() {
            None
        } else {
            Some(self.get_unchecked(idx))
        }
    }
    pub fn get_unchecked(&self, idx: usize) -> BackLinkReader<'r> {
        let slice = self.as_slice();
        let start_idx = molecule::NUMBER_SIZE * (1 + idx);
        let start = molecule::unpack_number(&slice[start_idx..]) as usize;
        if idx == self.len() - 1 {
            BackLinkReader::new_unchecked(&self.as_slice()[start..])
        } else {
            let end_idx = start_idx + molecule::NUMBER_SIZE;
            let end = molecule::unpack_number(&slice[end_idx..]) as usize;
            BackLinkReader::new_unchecked(&self.as_slice()[start..end])
        }
    }
}
impl<'r> molecule::prelude::Reader<'r> for BackLinkVecReader<'r> {
    type Entity = BackLinkVec;
    const NAME: &'static str = "BackLinkVecReader";
    fn to_entity(&self) -> Self::Entity {
        Self::Entity::new_unchecked(self.as_slice().to_owned().into())
    }
    fn new_unchecked(slice: &'r [u8]) -> Self {
        BackLinkVecReader(slice)
    }
    fn as_slice(&self) -> &'r [u8] {
        self.0
    }
    fn verify(slice: &[u8], compatible: bool) -> molecule::error::VerificationResult<()> {
        use molecule::verification_error as ve;
        let slice_len = slice.len();
        if slice_len < molecule::NUMBER_SIZE {
            return ve!(Self, HeaderIsBroken, molecule::NUMBER_SIZE, slice_len);
        }
        let total_size = molecule::unpack_number(slice) as usize;
        if slice_len != total_size {
            return ve!(Self, TotalSizeNotMatch, total_size, slice_len);
        }
        if slice_len == molecule::NUMBER_SIZE {
            return Ok(());
        }
        if slice_len < molecule::NUMBER_SIZE * 2 {
            return ve!(
                Self,
                TotalSizeNotMatch,
                molecule::NUMBER_SIZE * 2,
                slice_len
            );
        }
        let offset_first = molecule::unpack_number(&slice[molecule::NUMBER_SIZE..]) as usize;
        if offset_first % molecule::NUMBER_SIZE != 0 || offset_first < molecule::NUMBER_SIZE * 2 {
            return ve!(Self, OffsetsNotMatch);
        }
        if slice_len < offset_first {
            return ve!(Self, HeaderIsBroken, offset_first, slice_len);
        }
        let mut offsets: Vec<usize> = slice[molecule::NUMBER_SIZE..offset_first]
            .chunks_exact(molecule::NUMBER_SIZE)
            .map(|x| molecule::unpack_number(x) as usize)
            .collect();
        offsets.push(total_size);
        if offsets.windows(2).any(|i| i[0] > i[1]) {
            return ve!(Self, OffsetsNotMatch);
        }
        for pair in offsets.windows(2) {
            let start = pair[0];
            let end = pair[1];
            BackLinkReader::verify(&slice[start..end], compatible)?;
        }
        Ok(())
    }
}
#[derive(Debug, Default)]
pub struct BackLinkVecBuilder(pub(crate) Vec<BackLink>);
impl BackLinkVecBuilder {
    pub fn set(mut self, v: Vec<BackLink>) -> Self {
        self.0 = v;
        self
    }
    pub fn push(mut self, v: BackLink) -> Self {
        self.0.push(v);
        self
    }
    pub fn extend<T: ::core::iter::IntoIterator<Item = BackLink>>(mut self, iter: T) -> Self {
        for elem in iter {
            self.0.push(elem);
        }
        self
    }
    pub fn replace(&mut self, index: usize, v: BackLink) -> Option<BackLink> {
        self.0
            .get_mut(index)
            .map(|item| ::core::mem::replace(item, v))
    }
}
impl molecule::prelude::Builder for BackLinkVecBuilder {
    type Entity = BackLinkVec;
    const NAME: &'static str = "BackLinkVecBuilder";
    fn expected_length(&self) -> usize {
        molecule::NUMBER_SIZE * (self.0.len() + 1)
            + self
                .0
                .iter()
                .map(|inner| inner.as_slice().len())
                .sum::<usize>()
    }
    fn write<W: molecule::io::Write>(&self, writer: &mut W) -> molecule::io::Result<()> {
        let item_count = self.0.len();
        if item_count == 0 {
            writer.write_all(&molecule::pack_number(
                molecule::NUMBER_SIZE as molecule::Number,
            ))?;
        } else {
            let (total_size, offsets) = self.0.iter().fold(
                (
                    molecule::NUMBER_SIZE * (item_count + 1),
                    Vec::with_capacity(item_count),
                ),
                |(start, mut offsets), inner| {
                    offsets.push(start);
                    (start + inner.as_slice().len(), offsets)
                },
            );
            writer.write_all(&molecule::pack_number(total_size as molecule::Number))?;
            for offset in offsets.into_iter() {
                writer.write_all(&molecule::pack_number(offset as molecule::Number))?;
            }
            for inner in self.0.iter() {
                writer.write_all(inner.as_slice())?;
            }
        }
        Ok(())
    }
    fn build(&self) -> Self::Entity {
        let mut inner = Vec::with_capacity(self.expected_length());
        self.write(&mut inner)
            .unwrap_or_else(|_| panic!("{} build should be ok", Self::NAME));
        BackLinkVec::new_unchecked(inner.into())
    }
}
pub struct BackLinkVecIterator(BackLinkVec, usize, usize);
impl ::core::iter::Iterator for BackLinkVecIterator {
    type Item = BackLink;
    fn next(&mut self) -> Option<Self::Item> {
        if self.1 >= self.2 {
            None
        } else {
            let ret = self.0.get_unchecked(self.1);
            self.1 += 1;
            Some(ret)
        }
    }
}
impl ::core::iter::ExactSizeIterator for BackLinkVecIterator {
    fn len(&self) -> usize {
        self.2 - self.1
    }
}
impl ::core::iter::IntoIterator for BackLinkVec {
    type Item = BackLink;
    type IntoIter = BackLinkVecIterator;
    fn into_iter(self) -> Self::IntoIter {
        let len = self.len();
        BackLinkVecIterator(self, 0, len)
    }
}
impl<'r> BackLinkVecReader<'r> {
    pub fn iter<'t>(&'t self) -> BackLinkVecReaderIterator<'t, 'r> {
        BackLinkVecReaderIterator(&self, 0, self.len())
    }
}
pub struct BackLinkVecReaderIterator<'t, 'r>(&'t BackLinkVecReader<'r>, usize, usize);
impl<'t: 'r, 'r> ::core::iter::Iterator for BackLinkVecReaderIterator<'t, 'r> {
    type Item = BackLinkReader<'t>;
    fn next(&mut self) -> Option<Self::Item> {
        if self.1 >= self.2 {
            None
        } else {
            let ret = self.0.get_unchecked(self.1);
            self.1 += 1;
            Some(ret)
        }
    }
}
impl<'t: 'r, 'r> ::core::iter::ExactSizeIterator for BackLinkVecReaderIterator<'t, 'r> {
    fn len(&self) -> usize {
        self.2 - self.1
    }
}