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feat: support parity_pendingTransactions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| use serde::{ | ||
| ser::{SerializeMap, Serializer}, | ||
| Serialize, | ||
| }; | ||
|
|
||
| use super::{Address, U256, U64}; | ||
|
|
||
| /// Condition to filter pending transactions | ||
| #[derive(Clone)] | ||
| pub enum FilterCondition<T> { | ||
| /// Lower Than | ||
| Lt(T), | ||
| /// Equal | ||
| Eq(T), | ||
| /// Greater Than | ||
| Gt(T), | ||
| } | ||
|
|
||
| /// To Filter | ||
| #[derive(Clone)] | ||
| pub enum ToFilter { | ||
| /// Address | ||
| Address(Address), | ||
| /// Action (i.e. contract creation) | ||
| Action, | ||
| } | ||
|
|
||
| /// Filter for pending transactions (only openethereum/Parity) | ||
| #[derive(Clone, Default, Serialize)] | ||
| pub struct ParityPendingTransactionFilter { | ||
| /// From address | ||
| #[serde(skip_serializing_if = "Option::is_none")] | ||
| pub from: Option<FilterCondition<Address>>, | ||
| /// To address or action, i.e. contract creation | ||
| #[serde(skip_serializing_if = "Option::is_none")] | ||
| pub to: Option<ToFilter>, | ||
| /// Gas | ||
| #[serde(skip_serializing_if = "Option::is_none")] | ||
| pub gas: Option<FilterCondition<U64>>, | ||
| /// Gas Price | ||
| #[serde(skip_serializing_if = "Option::is_none")] | ||
| pub gas_price: Option<FilterCondition<U64>>, | ||
| /// Value | ||
| #[serde(skip_serializing_if = "Option::is_none")] | ||
| pub value: Option<FilterCondition<U256>>, | ||
| /// Nonce | ||
| #[serde(skip_serializing_if = "Option::is_none")] | ||
| pub nonce: Option<FilterCondition<U256>>, | ||
| } | ||
|
|
||
| impl<T> Serialize for FilterCondition<T> | ||
| where | ||
| T: Serialize, | ||
| { | ||
| fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> | ||
| where | ||
| S: Serializer, | ||
| { | ||
| let mut map = serializer.serialize_map(Some(1))?; | ||
| match self { | ||
| Self::Lt(v) => map.serialize_entry("lt", v), | ||
| Self::Eq(v) => map.serialize_entry("eq", v), | ||
| Self::Gt(v) => map.serialize_entry("gt", v), | ||
| }?; | ||
| map.end() | ||
| } | ||
| } | ||
|
|
||
| impl Serialize for ToFilter { | ||
| fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> | ||
| where | ||
| S: Serializer, | ||
| { | ||
| let mut map = serializer.serialize_map(Some(1))?; | ||
|
|
||
| match self { | ||
| Self::Address(a) => map.serialize_entry("eq", a)?, | ||
| Self::Action => map.serialize_entry("action", "contract_creation")?, | ||
| } | ||
| map.end() | ||
| } | ||
| } | ||
|
|
||
| /// Filter Builder | ||
| #[derive(Default, Clone)] | ||
| pub struct ParityPendingTransactionFilterBuilder { | ||
| filter: ParityPendingTransactionFilter, | ||
| } | ||
|
|
||
| impl ParityPendingTransactionFilterBuilder { | ||
| /// Sets `from` | ||
| pub fn from(mut self, from: FilterCondition<Address>) -> Self { | ||
| if let FilterCondition::Eq(_) = from { | ||
| self.filter.from = Some(from); | ||
| self | ||
| } else { | ||
| panic!("Must use FilterConditon::Eq to apply filter for `from` address") | ||
| } | ||
| } | ||
|
|
||
| /// Sets `to` | ||
| pub fn to(mut self, to_or_action: ToFilter) -> Self { | ||
| self.filter.to = Some(to_or_action); | ||
| self | ||
| } | ||
|
|
||
| /// Sets `gas` | ||
| pub fn gas(mut self, gas: FilterCondition<U64>) -> Self { | ||
| self.filter.gas = Some(gas); | ||
| self | ||
| } | ||
|
|
||
| /// Sets `gas_price` | ||
| pub fn gas_price(mut self, gas_price: FilterCondition<U64>) -> Self { | ||
| self.filter.gas_price = Some(gas_price); | ||
| self | ||
| } | ||
|
|
||
| /// Sets `value` | ||
| pub fn value(mut self, value: FilterCondition<U256>) -> Self { | ||
| self.filter.value = Some(value); | ||
| self | ||
| } | ||
|
|
||
| /// Sets `nonce` | ||
| pub fn nonce(mut self, nonce: FilterCondition<U256>) -> Self { | ||
| self.filter.nonce = Some(nonce); | ||
| self | ||
| } | ||
|
|
||
| /// Returns filter | ||
| pub fn build(&self) -> ParityPendingTransactionFilter { | ||
| self.filter.clone() | ||
| } | ||
| } |