set anchor_offset to 2, hush has dpow

lib/src/lib.rs

@@ -16,7 +16,7 @@ pub struct SaplingParams;
 pub struct PubCertificate;
 
 
-pub const ANCHOR_OFFSET: u32 = 4;
+pub const ANCHOR_OFFSET: u32 = 2;
 
 pub mod grpc_client {
     tonic::include_proto!("cash.z.wallet.sdk.rpc");

lib/src/lightwallet.rs

@@ -1572,7 +1572,7 @@ 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);