Merge branch 'refactor' of https://github.com/bandprotocol/owasm into refactor

Author: colmazia

packages/kit/Cargo.toml

@@ -1,12 +1,12 @@
 [package]
-name = "owasm-kit"
-version = "0.1.13"
 authors = ["Band Protocol <[email protected]>"]
+description = "Standard library for oracle scripts on BandChain"
 edition = "2018"
 license = "Apache-2.0"
-repository = "https://github.com/bandprotocol/owasm/tree/master/packages/kit"
-description = "Standard library for oracle scripts on BandChain"
+name = "owasm-kit"
 readme = "README.md"
+repository = "https://github.com/bandprotocol/owasm/tree/master/packages/kit"
+version = "0.2.0"
 
 [dependencies]
 num = "0.2.1"

packages/kit/src/oei/mod.rs

@@ -69,15 +69,19 @@ pub fn get_external_data(eid: i64, vid: i64) -> Result<String, i64> {
 
 /// Return the verification result of ecvrf given a pubkey, a vrf proof, and the
 /// corresponding result.
-pub fn ecvrf_verify(y: &[u8], pi: &[u8], alpha: &[u8]) -> u32 {
+pub fn ecvrf_verify(y: &[u8], pi: &[u8], alpha: &[u8]) -> Result<bool, u32> {
     unsafe {
-        raw::ecvrf_verify(
+        match raw::ecvrf_verify(
             y.as_ptr() as i64,
             y.len() as i64,
             pi.as_ptr() as i64,
             pi.len() as i64,
             alpha.as_ptr() as i64,
             alpha.len() as i64,
-        )
+        ) {
+            0 => Ok(true),
+            1 => Ok(false),
+            x => Err(x),
+        }
     }
 }