i18n: make remaining user-facing CLI error messages translatable

CHANGELOG.md

@@ -27,6 +27,7 @@ be considered breaking changes.
   block heights and tree state are not resolved from the chain. Cannot be
   combined with `--buffer-wallet-transactions`. Useful when chain data is not
   available.
+- The remaining user-facing CLI error messages are now translatable.
 
 ### Fixed
 - `listaddresses` no longer returns an internal error when the wallet contains

zallet/i18n/en-US/zallet.ftl

@@ -139,6 +139,11 @@ err-init-identity-not-passphrase-encrypted = {$path} is not encrypted with a pas
 err-init-path-not-utf8 = {$path} is not currently supported (not UTF-8)
 err-init-identity-not-usable = Identity file at {$path} is not usable: {$error}
 err-init-rpc-auth-invalid = Invalid '{-cfg-rpc-auth}' configuration
+err-init-single-rpc-bind = Only one RPC bind address is supported (for now)
+
+## Chain errors
+
+err-chain-indexer-not-running = ChainState indexer is not running
 
 ## Keystore errors
 

zallet/src/components/chain.rs

@@ -161,7 +161,7 @@ impl Chain {
             .read()
             .await
             .as_ref()
-            .ok_or_else(|| ErrorKind::Generic.context("ChainState indexer is not running"))?
+            .ok_or_else(|| ErrorKind::Generic.context(crate::fl!("err-chain-indexer-not-running")))?
             .inner_ref()
             .get_subscriber())
     }

zallet/src/components/json_rpc.rs

@@ -42,7 +42,7 @@ impl JsonRpc {
         if !rpc.bind.is_empty() {
             if rpc.bind.len() > 1 {
                 return Err(ErrorKind::Init
-                    .context("Only one RPC bind address is supported (for now)")
+                    .context(crate::fl!("err-init-single-rpc-bind"))
                     .into());
             }
             info!("Spawning RPC server");