add +2 conf in readme. Set anchor_offset to 2

lib/src/lib.rs

@@ -11,7 +11,7 @@ pub mod commands;
 #[folder = "zcash-params/"]
 pub struct SaplingParams;
 
-pub const ANCHOR_OFFSET: u32 = 4;
+pub const ANCHOR_OFFSET: u32 = 2;
 
 
 pub mod grpc_client {

lib/src/lightwallet.rs

@@ -1471,7 +1471,7 @@ impl LightWallet {
         if selected_value < u64::from(target_value) {
             let e = format!(
                 "Insufficient verified funds (have {}, need {:?}). NOTE: funds need {} confirmations before they can be spent.",
-                selected_value, target_value, self.config.anchor_offset - 2
+                selected_value, target_value, self.config.anchor_offset 
             );
             error!("{}", e);
             return Err(e);