feat(substreams): add substreams for Uniswap v2 and v3

substreams/ethereum-uniswap-v2/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "substreams-ethereum-uniswap-v2"
+version = "0.2.0"
+edition = "2021"
+
+[lib]
+name = "ethereum_uniswap_v2"
+crate-type = ["cdylib"]
+
+[dependencies]
+substreams.workspace = true
+substreams-ethereum.workspace = true
+prost.workspace = true
+ethabi.workspace = true
+anyhow = { workspace = true, features = [] }
+hex-literal.workspace = true
+substreams-helper.workspace = true
+num-bigint = "0.4.4"
+itertools = "0.12.1"
+serde_qs = "0.13.0"
+serde.workspace = true
+
+[target.wasm32-unknown-unknown.dependencies]
+getrandom = { version = "0.2", features = ["custom"] }
+
+[build-dependencies]
+anyhow.workspace = true
+substreams-ethereum.workspace = true