Support debug logs (#148)

Cargo.toml

@@ -11,7 +11,7 @@ edition = "2021"
 rust-version = "1.63"
 
 [dependencies]
-soroban-env-host = { version = "0.0.5", features = ["vm", "serde"] }
+soroban-env-host = { version = "0.0.5", features = ["vm", "serde", "hostfn_log_fmt_values"] }
 soroban-spec = "0.0.4"
 stellar-strkey = "0.0.2"
 clap = { version = "3.1.18", features = ["derive", "env"] }
@@ -31,11 +31,11 @@ wasmparser = "0.90.0"
 sha2 = "0.10.2"
 
 [patch.crates-io]
-soroban-spec = { git = "https://github.com/stellar/rs-soroban-sdk", rev = "cdcd5185" }
+soroban-spec = { git = "https://github.com/stellar/rs-soroban-sdk", rev = "49feecab" }
 stellar-strkey = { git = "https://github.com/stellar/rs-stellar-strkey", rev = "dc234c4" }
-soroban-env-common = { git = "https://github.com/stellar/rs-soroban-env", rev = "fccd5196" }
-soroban-env-host = { git = "https://github.com/stellar/rs-soroban-env", rev = "fccd5196" }
-soroban-env-macros = { git = "https://github.com/stellar/rs-soroban-env", rev = "fccd5196" }
-soroban-native-sdk-macros = { git = "https://github.com/stellar/rs-soroban-env", rev = "fccd5196" }
+soroban-env-common = { git = "https://github.com/stellar/rs-soroban-env", rev = "38ed32b4" }
+soroban-env-host = { git = "https://github.com/stellar/rs-soroban-env", rev = "38ed32b4" }
+soroban-env-macros = { git = "https://github.com/stellar/rs-soroban-env", rev = "38ed32b4" }
+soroban-native-sdk-macros = { git = "https://github.com/stellar/rs-soroban-env", rev = "38ed32b4" }
 stellar-xdr = { git = "https://github.com/stellar/rs-stellar-xdr", rev = "c026149" }
 wasmi = { package = "soroban-wasmi", git = "https://github.com/stellar/wasmi", rev = "a61b6df" }

src/invoke.rs

@@ -260,10 +260,12 @@ impl Cmd {
         }
 
         for (i, event) in events.0.iter().enumerate() {
-            eprint!("Event #{}: ", i);
+            eprint!("#{}: ", i);
             match event {
-                HostEvent::Contract(e) => eprintln!("{}", serde_json::to_string(&e).unwrap()),
-                HostEvent::Debug(e) => eprintln!("{}", e),
+                HostEvent::Contract(e) => {
+                    eprintln!("event: {}", serde_json::to_string(&e).unwrap());
+                }
+                HostEvent::Debug(e) => eprintln!("debug: {}", e),
             }
         }