zcash_client_sqlite::transact::create_to_address()

zcash_primitives/src/transaction/builder.rs

@@ -7,6 +7,8 @@ use crate::{
 use ff::Field;
 use pairing::bls12_381::{Bls12, Fr};
 use rand::{rngs::OsRng, seq::SliceRandom, CryptoRng, RngCore};
+use std::error;
+use std::fmt;
 use zip32::ExtendedSpendingKey;
 
 use crate::{
@@ -42,6 +44,27 @@ pub enum Error {
     SpendProof,
 }
 
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Error::AnchorMismatch => {
+                write!(f, "Anchor mismatch (anchors for all spends must be equal)")
+            }
+            Error::BindingSig => write!(f, "Failed to create bindingSig"),
+            Error::ChangeIsNegative(amount) => {
+                write!(f, "Change is negative ({:?} zatoshis)", amount)
+            }
+            Error::InvalidAddress => write!(f, "Invalid address"),
+            Error::InvalidAmount => write!(f, "Invalid amount"),
+            Error::InvalidWitness => write!(f, "Invalid note witness"),
+            Error::NoChangeAddress => write!(f, "No change address specified or discoverable"),
+            Error::SpendProof => write!(f, "Failed to create Sapling spend proof"),
+        }
+    }
+}
+
+impl error::Error for Error {}
+
 struct SpendDescriptionInfo {
     extsk: ExtendedSpendingKey,
     diversifier: Diversifier,