feature: implement an initial mempool.space websocket client, and library for block-events

.github/pull_request_template.md

@@ -0,0 +1,30 @@
+<!-- You can erase any parts of this template not applicable to your Pull Request. -->
+
+### Description
+
+<!-- Describe the purpose of this PR, what's being adding and/or fixed -->
+
+### Notes to the reviewers
+
+<!-- In this section you can include notes directed to the reviewers, like explaining why some parts
+of the PR were done in a specific way -->
+
+### Checklists
+
+#### All Submissions:
+
+* [ ] I've signed all my commits
+* [ ] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
+* [ ] I ran `cargo fmt` and `cargo clippy` before committing
+
+#### New Features:
+
+* [ ] I've added tests for the new feature
+* [ ] I've added docs for the new feature
+* [ ] I've updated `CHANGELOG.md`
+
+#### Bugfixes:
+
+* [ ] This pull request breaks the existing API
+* [ ] I've added tests to reproduce the issue which are now passing
+* [ ] I'm linking the issue being fixed by this PR

Cargo.toml

@@ -1,17 +1,33 @@
 [package]
-name = "block-explorer-cli"
+name = "block-events"
 version = "0.1.0"
 edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+authors = ["Leonardo Souza <[email protected]>", "LLFourn <[email protected]>"]
+repository = "https://github.com/oleonardolima/block-events"
+description = "A real-time stream block events library, covering connected and disconnected blocks.\nThis a work in progress project for Summer of Bitcoin 2022."
+keywords = ["bitcoin", "blockchain", "blocks", "mempool-space", "stream", "events", "summer-of-bitcoin"]
+readme = "README.md"
+license = "MIT OR Apache-2.0"
 
 [dependencies]
 anyhow = { version = "1.0" }
+async-stream = { version = "0.3.3"}
+bitcoin = { version = "0.28", features = ["use-serde", "base64"] }
 clap = { version = "3.0", features = ["derive"]}
-futures-util = { version = "0.3", default-features = false, features = ["sink", "std"] }
+env_logger = { version = "0.9.0" }
+futures-core = { version = "0.3" }
+futures-util = { version = "0.3" }
 log = { version = "0.4" }
-serde = { version = "1.0.117", features = ["derive"] }
+serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0" }
 tokio = { version = "1.0.0", features = ["io-util", "io-std", "macros", "net", "rt-multi-thread", "time"] }
 tokio-tungstenite = { version = "0.17.1", features = ["connect", "native-tls"]}
 url = { version = "2.0.0" }
+
+[lib]
+name = "block_events"
+path = "src/lib.rs"
+
+[[bin]]
+name = "block-events-cli"
+path = "src/bin.rs"