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feat: support for additional fields on TransactionReceipt and Block (#66
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| //! Support for capturing other fields | ||
| use serde::{de::DeserializeOwned, Deserialize, Serialize}; | ||
| use serde_json::Map; | ||
| use std::{ | ||
| collections::BTreeMap, | ||
| ops::{Deref, DerefMut}, | ||
| }; | ||
|
|
||
| /// A type that is supposed to capture additional fields that are not native to ethereum but included in ethereum adjacent networks, for example fields the [optimism `eth_getTransactionByHash` request](https://docs.alchemy.com/alchemy/apis/optimism/eth-gettransactionbyhash) returns additional fields that this type will capture | ||
| /// | ||
| /// This type is supposed to be used with [`#[serde(flatten)`](https://serde.rs/field-attrs.html#flatten) | ||
| #[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize, Default)] | ||
| #[serde(transparent)] | ||
| pub struct OtherFields { | ||
| /// Contains all unknown fields | ||
| inner: BTreeMap<String, serde_json::Value>, | ||
| } | ||
|
|
||
| // === impl OtherFields === | ||
|
|
||
| impl OtherFields { | ||
| /// Returns the deserialized value of the field, if it exists. | ||
| /// Deserializes the value with the given closure | ||
| pub fn get_with<F, V>(&self, key: impl AsRef<str>, with: F) -> Option<V> | ||
| where | ||
| F: FnOnce(serde_json::Value) -> V, | ||
| { | ||
| self.inner.get(key.as_ref()).cloned().map(with) | ||
| } | ||
|
|
||
| /// Returns the deserialized value of the field, if it exists | ||
| pub fn get_deserialized<V: DeserializeOwned>( | ||
| &self, | ||
| key: impl AsRef<str>, | ||
| ) -> Option<serde_json::Result<V>> { | ||
| self.inner.get(key.as_ref()).cloned().map(serde_json::from_value) | ||
| } | ||
|
|
||
| /// Removes the deserialized value of the field, if it exists | ||
| /// | ||
| /// **Note:** this will also remove the value if deserializing it resulted in an error | ||
| pub fn remove_deserialized<V: DeserializeOwned>( | ||
| &mut self, | ||
| key: impl AsRef<str>, | ||
| ) -> Option<serde_json::Result<V>> { | ||
| self.inner.remove(key.as_ref()).map(serde_json::from_value) | ||
| } | ||
|
|
||
| /// Removes the deserialized value of the field, if it exists. | ||
| /// Deserializes the value with the given closure | ||
| /// | ||
| /// **Note:** this will also remove the value if deserializing it resulted in an error | ||
| pub fn remove_with<F, V>(&mut self, key: impl AsRef<str>, with: F) -> Option<V> | ||
| where | ||
| F: FnOnce(serde_json::Value) -> V, | ||
| { | ||
| self.inner.remove(key.as_ref()).map(with) | ||
| } | ||
|
|
||
| /// Removes the deserialized value of the field, if it exists and also returns the key | ||
| /// | ||
| /// **Note:** this will also remove the value if deserializing it resulted in an error | ||
| pub fn remove_entry_deserialized<V: DeserializeOwned>( | ||
| &mut self, | ||
| key: impl AsRef<str>, | ||
| ) -> Option<(String, serde_json::Result<V>)> { | ||
| self.inner | ||
| .remove_entry(key.as_ref()) | ||
| .map(|(key, value)| (key, serde_json::from_value(value))) | ||
| } | ||
|
|
||
| /// Deserialized this type into another container type | ||
| pub fn deserialize_into<T: DeserializeOwned>(self) -> serde_json::Result<T> { | ||
| let mut map = Map::with_capacity(self.inner.len()); | ||
| map.extend(self); | ||
| serde_json::from_value(serde_json::Value::Object(map)) | ||
| } | ||
| } | ||
|
|
||
| impl Deref for OtherFields { | ||
| type Target = BTreeMap<String, serde_json::Value>; | ||
|
|
||
| #[inline] | ||
| fn deref(&self) -> &BTreeMap<String, serde_json::Value> { | ||
| self.as_ref() | ||
| } | ||
| } | ||
|
|
||
| impl DerefMut for OtherFields { | ||
| fn deref_mut(&mut self) -> &mut Self::Target { | ||
| &mut self.inner | ||
| } | ||
| } | ||
|
|
||
| impl AsRef<BTreeMap<String, serde_json::Value>> for OtherFields { | ||
| fn as_ref(&self) -> &BTreeMap<String, serde_json::Value> { | ||
| &self.inner | ||
| } | ||
| } | ||
|
|
||
| impl IntoIterator for OtherFields { | ||
| type Item = (String, serde_json::Value); | ||
| type IntoIter = std::collections::btree_map::IntoIter<String, serde_json::Value>; | ||
|
|
||
| fn into_iter(self) -> Self::IntoIter { | ||
| self.inner.into_iter() | ||
| } | ||
| } | ||
|
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| impl<'a> IntoIterator for &'a OtherFields { | ||
| type Item = (&'a String, &'a serde_json::Value); | ||
| type IntoIter = std::collections::btree_map::Iter<'a, String, serde_json::Value>; | ||
|
|
||
| fn into_iter(self) -> Self::IntoIter { | ||
| self.as_ref().iter() | ||
| } | ||
| } |
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