109 lines
2.3 KiB
Rust
109 lines
2.3 KiB
Rust
use U256;
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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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construct_hash!(H32, 4);
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construct_hash!(H64, 8);
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construct_hash!(H128, 16);
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construct_hash!(H160, 20);
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construct_hash!(H256, 32);
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construct_hash!(H264, 33);
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construct_hash!(H512, 64);
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construct_hash!(H520, 65);
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construct_hash!(H1024, 128);
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impl From<U256> for H256 {
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fn from(value: U256) -> H256 {
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let mut ret = H256::new();
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value.to_big_endian(&mut ret);
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ret
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}
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}
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impl<'a> From<&'a U256> for H256 {
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fn from(value: &'a U256) -> H256 {
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let mut ret: H256 = H256::new();
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value.to_big_endian(&mut ret);
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ret
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}
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}
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impl From<H256> for U256 {
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fn from(value: H256) -> U256 {
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U256::from(&value)
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}
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}
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impl<'a> From<&'a H256> for U256 {
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fn from(value: &'a H256) -> U256 {
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U256::from(value.as_ref() as &[u8])
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}
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}
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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::new();
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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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impl From<H256> for H64 {
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fn from(value: H256) -> H64 {
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let mut ret = H64::new();
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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::new();
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ret.0[12..32].copy_from_slice(&value);
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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::new();
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ret.0[12..32].copy_from_slice(value);
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ret
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}
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}
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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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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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impl_serde!(H1024, 128);
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