Fetch consensusBranchId from server

proto/service.proto

@@ -50,6 +50,7 @@ message LightdInfo {
     bool   taddrSupport = 3;
     string chainName = 4;
     uint64 saplingActivationHeight = 5;
+    string consensusBranchId = 6;   // This should really be u32 or []byte, but string for readability
 }
 
 message TransparentAddress {
@@ -61,15 +62,6 @@ message TransparentAddressBlockFilter {
     BlockRange range = 2;
 }
 
-message Utxo {
-    TransparentAddress address = 1;
-    bytes txid = 2;
-    uint64 outputIndex = 3;
-    bytes script = 4;
-    uint64 value = 5;
-    uint64 height = 6;
-}
-
 service CompactTxStreamer {
     // Compact Blocks
     rpc GetLatestBlock(ChainSpec) returns (BlockID) {}
@@ -81,7 +73,6 @@ service CompactTxStreamer {
     rpc SendTransaction(RawTransaction) returns (SendResponse) {}
 
     // t-Address support
-    rpc GetUtxos(TransparentAddress) returns (stream Utxo) {}
     rpc GetAddressTxids(TransparentAddressBlockFilter) returns (stream RawTransaction) {}
 
     // Misc

src/lightclient.rs

@@ -41,6 +41,7 @@ pub struct LightClientConfig {
     pub server                      : String,
     pub chain_name                  : String,
     pub sapling_activation_height   : u64,
+    pub consensus_branch_id         : String,
 }
 
 impl LightClientConfig {
@@ -724,7 +725,7 @@ impl LightClient {
     pub fn do_send(&self, addr: &str, value: u64, memo: Option<String>) -> String {
         info!("Creating transaction");
         let rawtx = self.wallet.send_to_address(
-            u32::from_str_radix("2bb40e60", 16).unwrap(),   // Blossom ID
+            u32::from_str_radix(&self.config.consensus_branch_id, 16).unwrap(),   // Blossom ID
             &self.sapling_spend, &self.sapling_output,
             &addr, value, memo
         );

src/lightwallet/mod.rs

@@ -1461,11 +1461,7 @@ pub mod tests {
 
     #[test]
     fn z_balances() {
-        let wallet = LightWallet::new(None, &LightClientConfig {
-            server: "0.0.0.0:0".to_string(),
-            chain_name: "test".to_string(),
-            sapling_activation_height: 0
-        }).unwrap();
+        let wallet = LightWallet::new(None, &get_test_config()).unwrap();
 
         const AMOUNT1:u64 = 5;
         // Address is encoded in bech32
@@ -1504,11 +1500,7 @@ pub mod tests {
 
     #[test]
     fn z_change_balances() {
-        let wallet = LightWallet::new(None, &LightClientConfig {
-            server: "0.0.0.0:0".to_string(),
-            chain_name: "test".to_string(),
-            sapling_activation_height: 0
-        }).unwrap();
+        let wallet = LightWallet::new(None, &get_test_config()).unwrap();
 
         // First, add an incoming transaction
         const AMOUNT1:u64 = 5;
@@ -1557,11 +1549,7 @@ pub mod tests {
         let mut rng = OsRng;
         let secp = Secp256k1::new();
 
-        let wallet = LightWallet::new(None, &LightClientConfig {
-            server: "0.0.0.0:0".to_string(),
-            chain_name: "test".to_string(),
-            sapling_activation_height: 0
-        }).unwrap();
+        let wallet = LightWallet::new(None, &get_test_config()).unwrap();
 
         let pk = PublicKey::from_secret_key(&secp, &wallet.tkeys[0]);
         let taddr = wallet.address_from_sk(&wallet.tkeys[0]);
@@ -1627,11 +1615,7 @@ pub mod tests {
         let mut rng = OsRng;
         let secp = Secp256k1::new();
 
-        let wallet = LightWallet::new(None, &LightClientConfig {
-            server: "0.0.0.0:0".to_string(),
-            chain_name: "test".to_string(),
-            sapling_activation_height: 0
-        }).unwrap();
+        let wallet = LightWallet::new(None, &get_test_config()).unwrap();
 
         let pk = PublicKey::from_secret_key(&secp, &wallet.tkeys[0]);
         let taddr = wallet.address_from_sk(&wallet.tkeys[0]);
@@ -1698,11 +1682,7 @@ pub mod tests {
     #[test]
     fn test_serialization() {
         let secp = Secp256k1::new();
-        let config = LightClientConfig {
-            server: "0.0.0.0:0".to_string(),
-            chain_name: "test".to_string(),
-            sapling_activation_height: 0
-        };
+        let config = get_test_config();
 
         let wallet = LightWallet::new(None, &config).unwrap();
 
@@ -1808,13 +1788,18 @@ pub mod tests {
         }
     }
 
-    // Get a test wallet already setup with a single note
-    fn get_test_wallet(amount: u64) -> (LightWallet, LightClientConfig, TxId, BlockHash) {
-        let config = LightClientConfig {
+    fn get_test_config() -> LightClientConfig {
+        LightClientConfig {
             server: "0.0.0.0:0".to_string(),
             chain_name: "test".to_string(),
-            sapling_activation_height: 0
-        };
+            sapling_activation_height: 0,
+            consensus_branch_id: "000000".to_string(),
+        }
+    }
+
+    // Get a test wallet already setup with a single note
+    fn get_test_wallet(amount: u64) -> (LightWallet, LightClientConfig, TxId, BlockHash) {
+        let config = get_test_config();
 
         let wallet = LightWallet::new(None, &config).unwrap();
 

src/main.rs

@@ -55,6 +55,7 @@ pub fn main() {
         server,
         chain_name                  : info.chain_name,
         sapling_activation_height   : info.sapling_activation_height,
+        consensus_branch_id         : info.consensus_branch_id,
     };
 
     let lightclient = match LightClient::new(seed, &config) {