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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| // RGB smart contracts for Bitcoin & Lightning | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // Written in 2019-2023 by | ||
| // Dr Maxim Orlovsky <orlovsky@lnp-bp.org> | ||
| // | ||
| // Copyright (C) 2019-2023 LNP/BP Standards Association. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| use bp::Tx; | ||
| use bpstd::{Network, Txid}; | ||
| use esplora::{BlockingClient, Config, Error}; | ||
| use rgbstd::WitnessAnchor; | ||
|
|
||
| use super::RgbResolver; | ||
|
|
||
| #[derive(Clone, Debug)] | ||
| /// Represents a client for interacting with a mempool. | ||
| // Currently, this client is wrapping an `esplora::BlockingClient` instance. | ||
| // If the mempool service changes in the future and is not compatible with | ||
| // esplora::BlockingClient, Only the internal implementation needs to be | ||
| // modified | ||
| pub struct MemPoolClient { | ||
| inner: BlockingClient, | ||
| } | ||
|
|
||
| impl MemPoolClient { | ||
| /// Creates a new `MemPoolClient` instance. | ||
| /// | ||
| /// # Arguments | ||
| /// | ||
| /// * `url` - The URL of the mempool server. | ||
| /// * `config` - The configuration for the mempool client. | ||
| /// | ||
| /// # Returns | ||
| /// | ||
| /// Returns a `Result` containing the `MemPoolClient` instance if | ||
| /// successful, or an `Error` if an error occurred. | ||
| pub fn new(url: &str, config: Config) -> Result<Self, Error> { | ||
| let inner = BlockingClient::from_config(url, config)?; | ||
| Ok(MemPoolClient { inner }) | ||
| } | ||
| } | ||
|
|
||
| impl RgbResolver for MemPoolClient { | ||
| fn check(&self, network: Network, expected_block_hash: String) -> Result<(), String> { | ||
| self.inner.check(network, expected_block_hash) | ||
| } | ||
|
|
||
| fn resolve_height(&mut self, txid: Txid) -> Result<WitnessAnchor, String> { | ||
| self.inner.resolve_height(txid) | ||
| } | ||
|
|
||
| fn resolve_pub_witness(&self, txid: Txid) -> Result<Tx, Option<String>> { | ||
| self.inner.resolve_pub_witness(txid) | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod test { | ||
| use esplora::Config; | ||
| #[test] | ||
| fn test_mempool_client_mainnet_tx() { | ||
| let client = super::MemPoolClient::new("https://mempool.space/api", Config::default()) | ||
| .expect("Failed to create client"); | ||
| let txid = "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" | ||
| .parse() | ||
| .unwrap(); | ||
| let status = client.inner.tx_status(&txid).unwrap(); | ||
| assert_eq!(status.block_height, Some(0)); | ||
| assert_eq!(status.block_time, Some(1231006505)); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_mempool_client_testnet_tx() { | ||
| let client = | ||
| super::MemPoolClient::new("https://mempool.space/testnet/api", Config::default()) | ||
| .expect("Failed to create client"); | ||
|
|
||
| let txid = "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b" | ||
| .parse() | ||
| .unwrap(); | ||
| let status = client.inner.tx_status(&txid).unwrap(); | ||
| assert_eq!(status.block_height, Some(0)); | ||
| assert_eq!(status.block_time, Some(1296688602)); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_mempool_client_testnet4_tx() { | ||
| let client = | ||
| super::MemPoolClient::new("https://mempool.space/testnet4/api", Config::default()) | ||
| .expect("Failed to create client"); | ||
| let txid = "7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e" | ||
| .parse() | ||
| .unwrap(); | ||
| let status = client.inner.tx_status(&txid).unwrap(); | ||
| assert_eq!(status.block_height, Some(0)); | ||
| assert_eq!(status.block_time, Some(1714777860)); | ||
| } | ||
|
|
||
| #[test] | ||
| fn test_mempool_client_testnet4_tx_detail() { | ||
| let client = | ||
| super::MemPoolClient::new("https://mempool.space/testnet4/api", Config::default()) | ||
| .expect("Failed to create client"); | ||
| let txid = "7aa0a7ae1e223414cb807e40cd57e667b718e42aaf9306db9102fe28912b7b4e" | ||
| .parse() | ||
| .unwrap(); | ||
| let tx = client | ||
| .inner | ||
| .tx(&txid) | ||
| .expect("Failed to get tx") | ||
| .expect("Tx not found"); | ||
| assert!(tx.inputs.len() > 0); | ||
| assert!(tx.outputs.len() > 0); | ||
| assert_eq!(tx.outputs[0].value, 5_000_000_000); | ||
| } | ||
| } |
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