Add to and from strings for binding mnemonics

Author: benthecarman

orange-sdk/src/ffi/ldk_node.rs

@@ -4,6 +4,7 @@ use crate::{impl_from_core_type, impl_into_core_type};
 use ldk_node::ChannelDetails as LDKChannelDetails;
 use ldk_node::bip39::Mnemonic as LDKMnemonic;
 use ldk_node::bitcoin::Network as LDKNetwork;
+use std::str::FromStr;
 
 impl From<Network> for LDKNetwork {
 	fn from(network: Network) -> Self {
@@ -28,6 +29,18 @@ impl Mnemonic {
 			Err(_) => Err(ConfigError::InvalidEntropySize(entropy.len() as u32)),
 		}
 	}
+
+	#[uniffi::constructor]
+	pub fn from_str(str: &str) -> Result<Self, ConfigError> {
+		match LDKMnemonic::from_str(str) {
+			Ok(mnemonic) => Ok(Mnemonic(mnemonic)),
+			Err(_) => Err(ConfigError::InvalidMnemonic),
+		}
+	}
+
+	pub fn to_string(&self) -> String {
+		self.0.to_string()
+	}
 }
 
 impl_from_core_type!(LDKMnemonic, Mnemonic);

orange-sdk/src/ffi/orange/error.rs

@@ -5,6 +5,7 @@ use std::fmt::Display;
 #[derive(Debug, uniffi::Error)]
 pub enum ConfigError {
 	InvalidEntropySize(u32),
+	InvalidMnemonic,
 	InvalidLspAddress(String),
 	InvalidLspNodeId(String),
 }
@@ -15,6 +16,9 @@ impl Display for ConfigError {
 			ConfigError::InvalidEntropySize(size) => {
 				write!(f, "Invalid entropy size: {size}. Entropy must be 64 bytes.")
 			},
+			ConfigError::InvalidMnemonic => {
+				write!(f, "Invalid mnemonic phrase")
+			},
 			ConfigError::InvalidLspAddress(address) => write!(f, "Invalid LSP address: {address}"),
 			ConfigError::InvalidLspNodeId(node_id) => write!(f, "Invalid LSP node ID: {node_id}"),
 		}