87 lines
2.6 KiB
Rust
87 lines
2.6 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Trace filter deserialization.
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use ethcore::client::BlockID;
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use ethcore::client;
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use v1::types::{BlockNumber, H160};
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/// Trace filter
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#[derive(Debug, PartialEq, Deserialize)]
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pub struct TraceFilter {
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/// From block
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#[serde(rename="fromBlock")]
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pub from_block: Option<BlockNumber>,
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/// To block
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#[serde(rename="toBlock")]
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pub to_block: Option<BlockNumber>,
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/// From address
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#[serde(rename="fromAddress")]
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pub from_address: Option<Vec<H160>>,
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/// To address
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#[serde(rename="toAddress")]
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pub to_address: Option<Vec<H160>>,
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}
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impl Into<client::TraceFilter> for TraceFilter {
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fn into(self) -> client::TraceFilter {
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let start = self.from_block.map_or(BlockID::Latest, Into::into);
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let end = self.to_block.map_or(BlockID::Latest, Into::into);
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client::TraceFilter {
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range: start..end,
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from_address: self.from_address.map_or_else(Vec::new, |x| x.into_iter().map(Into::into).collect()),
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to_address: self.to_address.map_or_else(Vec::new, |x| x.into_iter().map(Into::into).collect()),
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}
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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 serde_json;
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use util::Address;
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use v1::types::{BlockNumber, TraceFilter};
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#[test]
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fn test_empty_trace_filter_deserialize() {
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let s = r#"{}"#;
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let deserialized: TraceFilter = serde_json::from_str(s).unwrap();
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assert_eq!(deserialized, TraceFilter {
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from_block: None,
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to_block: None,
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from_address: None,
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to_address: None
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});
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}
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#[test]
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fn test_trace_filter_deserialize() {
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let s = r#"{
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"fromBlock": "latest",
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"toBlock": "latest",
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"fromAddress": ["0x0000000000000000000000000000000000000003"],
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"toAddress": ["0x0000000000000000000000000000000000000005"]
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}"#;
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let deserialized: TraceFilter = serde_json::from_str(s).unwrap();
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assert_eq!(deserialized, TraceFilter {
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from_block: Some(BlockNumber::Latest),
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to_block: Some(BlockNumber::Latest),
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from_address: Some(vec![Address::from(3).into()]),
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to_address: Some(vec![Address::from(5).into()]),
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});
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}
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}
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