Oracle data type generation

examples/oracle-example/src/lib.rs

@@ -4,8 +4,12 @@
 
 extern crate alloc;
 
-use alloc::{string::ToString, vec::Vec};
-use codec::Decode;
+use alloc::{
+    string::{String, ToString},
+    vec,
+    vec::Vec,
+};
+use codec::{Decode, Encode};
 use entropy_programs_core::{bindgen::Error, bindgen::*, export_program, prelude::*};
 use serde::{Deserialize, Serialize};
 /// JSON-deserializable struct that will be used to derive the program-JSON interface.
@@ -18,6 +22,9 @@ pub struct UserConfig {}
 #[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
 pub struct AuxData {}
 
+// Oracle data is heading block_number_entropy as I expect that to be passed below to the evaluate function.
+pub const ORACLE_DATA: [&str; 1] = ["block_number_entropy"];
+
 // TODO confirm this isn't an issue for audit
 register_custom_getrandom!(always_fail);
 

templates/basic-template/Cargo.toml

@@ -18,7 +18,7 @@ strip = "debuginfo"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-entropy-programs-core = { git = "https://github.com/entropyxyz/programs.git", tag = "v0.10.0" }
+entropy-programs-core = { git = "https://github.com/entropyxyz/programs.git", branch = "master" }
 schemars = { version = "0.8.16", optional = true }
 serde = { version = "1.0", default-features = false, features = [
   "alloc",

templates/basic-template/cli/src/main.rs

@@ -4,6 +4,7 @@ use dotenv::dotenv;
 use entropy_test_cli::{run_command, Cli, PROGRAM_VERSION_NUMBER};
 use generate_types::generate_types;
 use project_root::get_project_root;
+use std::fs;
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
@@ -22,13 +23,27 @@ async fn main() -> anyhow::Result<()> {
         get_project_root()?.to_string_lossy()
     );
 
+    let oracle_data = format!(
+        "{}/{{project-name}}_serialized_oracle_data_type.txt",
+        get_project_root()?.to_string_lossy()
+    );
+
+    // length is 1 if empty and can ignore, scale codec length
+    let decoded_oracle_data = fs::read(oracle_data.clone()).unwrap();
+    let oracle_option = if decoded_oracle_data.len() == 1 {
+        None
+    } else { 
+        Some(oracle_data.into())
+    };
+
     let cli = Cli::parse();
     let json_ouput = cli.json;
     match run_command(
         cli,
         Some(program.into()),
         Some(config_interface.into()),
         Some(aux_data_interface.into()),
+        oracle_option,
         Some(PROGRAM_VERSION_NUMBER),
     )
     .await

templates/basic-template/generate-types/Cargo.toml

@@ -11,3 +11,4 @@ program = { package = "{{project-name}}", path = "..", default-features = false,
 ] }
 schemars = "0.8.16"
 serde_json = { version = "1.0" }
+codec = { package = "parity-scale-codec", version = "3.6.8", default-features = false }

templates/basic-template/generate-types/src/lib.rs

@@ -1,27 +1,35 @@
 use schemars::schema_for;
 use std::fs;
-use program::{UserConfig, AuxData};
+use program::{UserConfig, AuxData, ORACLE_DATA};
+use codec::Encode; 
 
 pub fn generate_types() {
     let schema_config = schema_for!(UserConfig);
     fs::write(
-        "./{{project-name}}_serialized_config_type.txt",
+        "./tests_serialized_config_type.txt",
         format!(
             "{:?}",
             serde_json::to_vec(&schema_config)
-                .expect("error converting user config for device key proxy")
+                .expect("error converting user config")
         ),
     )
-    .expect("Failed to write to device key proxy config");
+    .expect("Failed to write to config");
 
     let schema_aux_data = schema_for!(AuxData);
     fs::write(
-        "./{{project-name}}_serialized_aux_data_type.txt",
+        "./tests_serialized_aux_data_type.txt",
         format!(
             "{:?}",
             serde_json::to_vec(&schema_aux_data)
-                .expect("error converting user aux_data for device key proxy")
+                .expect("error converting user aux_data")
         ),
     )
-    .expect("Failed to write to device key proxy aux_data");
-}
+    .expect("Failed to write to proxy aux_data");
+
+    let oracle_data = ORACLE_DATA.iter().map(|x| x.encode()).collect::<Vec<_>>();
+    fs::write(
+        "./tests_serialized_oracle_data_type.txt",
+        oracle_data.encode()
+    )
+    .expect("Failed to write oracle_data");
+}

templates/basic-template/src/lib.rs

@@ -27,6 +27,9 @@ pub struct UserConfig {
 pub struct AuxData {
 }
 
+/// Oracle data used, (change 0 to amount of items in vector)
+pub const ORACLE_DATA: [&str; 0] = [];
+
 pub struct {{project-name | upper_camel_case}};
 
 impl Program for {{project-name | upper_camel_case}} {