171 lines
5.3 KiB
Rust
171 lines
5.3 KiB
Rust
use {U64, U128, U256, U512};
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#[cfg(feature="serialize")]
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use serde::{Serialize, Serializer, Deserialize, Deserializer};
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#[cfg(feature="serialize")]
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use ethereum_types_serialize;
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macro_rules! impl_serde {
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($name: ident, $len: expr) => {
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#[cfg(feature="serialize")]
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impl Serialize for $name {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer {
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let mut slice = [0u8; 2 + 2 * $len];
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ethereum_types_serialize::serialize(&mut slice, &self.0, serializer)
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}
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}
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#[cfg(feature="serialize")]
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impl<'de> Deserialize<'de> for $name {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de> {
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let mut bytes = [0u8; $len];
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ethereum_types_serialize::deserialize_check_len(deserializer, ethereum_types_serialize::ExpectedLen::Exact(&mut bytes))?;
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Ok($name(bytes))
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}
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}
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}
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}
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macro_rules! impl_uint_conversions {
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($hash: ident, $uint: ident) => {
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impl From<$uint> for $hash {
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fn from(value: $uint) -> Self {
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let mut ret = $hash::zero();
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value.to_big_endian(ret.as_bytes_mut());
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ret
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}
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}
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impl<'a> From<&'a $uint> for $hash {
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fn from(value: &'a $uint) -> Self {
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let mut ret = $hash::zero();
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value.to_big_endian(ret.as_bytes_mut());
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ret
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}
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}
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impl From<$hash> for $uint {
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fn from(value: $hash) -> Self {
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Self::from(&value)
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}
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}
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impl<'a> From<&'a $hash> for $uint {
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fn from(value: &'a $hash) -> Self {
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Self::from(value.as_ref() as &[u8])
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}
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}
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}
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}
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impl_serde!(H32, 4);
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impl_serde!(H64, 8);
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impl_serde!(H128, 16);
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impl_serde!(H160, 20);
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impl_serde!(H256, 32);
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impl_serde!(H264, 33);
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impl_serde!(H512, 64);
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impl_serde!(H520, 65);
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construct_fixed_hash!{ pub struct H32(4); }
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construct_fixed_hash!{ pub struct H64(8); }
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construct_fixed_hash!{ pub struct H128(16); }
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construct_fixed_hash!{ pub struct H160(20); }
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construct_fixed_hash!{ pub struct H256(32); }
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construct_fixed_hash!{ pub struct H264(33); }
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construct_fixed_hash!{ pub struct H512(64); }
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construct_fixed_hash!{ pub struct H520(65); }
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impl_uint_conversions!(H64, U64);
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impl_uint_conversions!(H128, U128);
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impl_uint_conversions!(H256, U256);
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impl_uint_conversions!(H512, U512);
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#[deprecated]
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impl From<H256> for H160 {
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fn from(value: H256) -> H160 {
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let mut ret = H160::zero();
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ret.0.copy_from_slice(&value[12..32]);
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ret
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}
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}
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#[deprecated]
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impl From<H256> for H64 {
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fn from(value: H256) -> H64 {
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let mut ret = H64::zero();
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ret.0.copy_from_slice(&value[20..28]);
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ret
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}
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}
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impl From<H160> for H256 {
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fn from(value: H160) -> H256 {
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let mut ret = H256::zero();
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ret.0[12..32].copy_from_slice(value.as_bytes());
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ret
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}
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}
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impl<'a> From<&'a H160> for H256 {
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fn from(value: &'a H160) -> H256 {
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let mut ret = H256::zero();
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ret.0[12..32].copy_from_slice(value.as_bytes());
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ret
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}
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}
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#[cfg(test)]
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mod tests {
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use super::{H160, H256};
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use serde_json as ser;
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// #[cfg(feature = "fixed-hash/byteorder-support")]
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#[test]
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fn test_serialize_h160() {
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let tests = vec![
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(H160::from_low_u64_be(0), "0x0000000000000000000000000000000000000000"),
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(H160::from_low_u64_be(2), "0x0000000000000000000000000000000000000002"),
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(H160::from_low_u64_be(15), "0x000000000000000000000000000000000000000f"),
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(H160::from_low_u64_be(16), "0x0000000000000000000000000000000000000010"),
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(H160::from_low_u64_be(1_000), "0x00000000000000000000000000000000000003e8"),
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(H160::from_low_u64_be(100_000), "0x00000000000000000000000000000000000186a0"),
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(H160::from_low_u64_be(u64::max_value()), "0x000000000000000000000000ffffffffffffffff"),
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];
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for (number, expected) in tests {
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assert_eq!(format!("{:?}", expected), ser::to_string_pretty(&number).unwrap());
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assert_eq!(number, ser::from_str(&format!("{:?}", expected)).unwrap());
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}
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}
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#[cfg(feature = "byteorder-support")]
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#[test]
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fn test_serialize_h256() {
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let tests = vec![
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(H256::from_low_u64_be(0), "0x0000000000000000000000000000000000000000000000000000000000000000"),
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(H256::from_low_u64_be(2), "0x0000000000000000000000000000000000000000000000000000000000000002"),
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(H256::from_low_u64_be(15), "0x000000000000000000000000000000000000000000000000000000000000000f"),
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(H256::from_low_u64_be(16), "0x0000000000000000000000000000000000000000000000000000000000000010"),
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(H256::from_low_u64_be(1_000), "0x00000000000000000000000000000000000000000000000000000000000003e8"),
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(H256::from_low_u64_be(100_000), "0x00000000000000000000000000000000000000000000000000000000000186a0"),
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(H256::from_low_u64_be(u64::max_value()), "0x000000000000000000000000000000000000000000000000ffffffffffffffff"),
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];
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for (number, expected) in tests {
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assert_eq!(format!("{:?}", expected), ser::to_string_pretty(&number).unwrap());
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assert_eq!(number, ser::from_str(&format!("{:?}", expected)).unwrap());
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}
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}
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#[test]
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fn test_serialize_invalid() {
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assert!(ser::from_str::<H256>("\"0x000000000000000000000000000000000000000000000000000000000000000\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"0x000000000000000000000000000000000000000000000000000000000000000g\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"0x00000000000000000000000000000000000000000000000000000000000000000\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"0\"").unwrap_err().is_data());
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assert!(ser::from_str::<H256>("\"10\"").unwrap_err().is_data());
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}
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} |