WIP on first client-facing stages of cache pipeline

disk/Cargo.toml

@@ -6,6 +6,7 @@ edition = "2018"
 
 [dependencies]
 http = "0.2"
+hyper = { version = "0.14", features = ["http1", "http2", "client", "server", "tcp", "stream"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 chrono = { version = "0.4.19", features = ["serde"] }
@@ -18,6 +19,7 @@ futures-util = "0.3.14"
 async-stream = "0.3.0"
 tracing = "0.1.25"
 hex = "0.4.3"
+tiny-keccak = { version = "2.0", features = ["sha3"] }
 err = { path = "../err" }
 taskrun = { path = "../taskrun" }
 netpod = { path = "../netpod" }