Split arguments to handlers for cleaner API

Change-Id: If8995bbb61775040d8e666e6af3cccae39f57919

solana/anchor-bridge/programs/anchor-bridge/src/api/initialize.rs

@@ -1,6 +1,11 @@
-use crate::{accounts, Initialize, InitializeData};
+use crate::{accounts, types::BridgeConfig, Initialize, InitializeData, MAX_LEN_GUARDIAN_KEYS};
 use anchor_lang::{prelude::*, solana_program};
 
-pub fn initialize(ctx: Context<Initialize>, data: InitializeData) -> ProgramResult {
+pub fn initialize(
+    ctx: Context<Initialize>,
+    len_guardians: u8,
+    initial_guardian_key: [[u8; 20]; MAX_LEN_GUARDIAN_KEYS],
+    config: BridgeConfig,
+) -> ProgramResult {
     Ok(())
 }

solana/anchor-bridge/programs/anchor-bridge/src/lib.rs

@@ -48,7 +48,7 @@ pub struct InitializeData {
     /// number of initial guardians
     pub len_guardians: u8,
     /// guardians that are allowed to sign mints
-    pub initial_guardian: [[u8; 20]; MAX_LEN_GUARDIAN_KEYS],
+    pub initial_guardian_keys: [[u8; 20]; MAX_LEN_GUARDIAN_KEYS],
     /// config for the bridge
     pub config: BridgeConfig,
 }
@@ -58,7 +58,12 @@ pub mod anchor_bridge {
     use super::*;
 
     pub fn initialize(ctx: Context<Initialize>, data: InitializeData) -> ProgramResult {
-        api::initialize(ctx, data)
+        api::initialize(
+            ctx,
+            data.len_guardians,
+            data.initial_guardian_keys,
+            data.config,
+        )
     }
 
     pub fn verify_signatures(ctx: Context<VerifySig>, data: VerifySigsData) -> ProgramResult {

solana/anchor-bridge/programs/anchor-bridge/src/types.rs

@@ -8,4 +8,3 @@ pub struct BridgeConfig {
     /// this period we still trust the old guardian set.
     pub guardian_set_expiration_time: u32,
 }
-