Add TTL Option to command line (mimblewimble#273)

* re-insert v2 slate

* reinstate version conversions

* rustfmt

* add and test versioning checks against 2.0.0 wallets

* rustfmt

* fix to invoice file output

* doctest fix

* remove target slate version from command line options

* add ttl option to send_tx and pay commands

* rustfmt

controller/src/command.rs

@@ -253,6 +253,7 @@ pub struct SendArgs {
 	pub max_outputs: usize,
 	pub target_slate_version: Option<u16>,
 	pub payment_proof_address: Option<String>,
+	pub ttl_blocks: Option<u64>,
 }
 
 pub fn send<L, C, K>(
@@ -302,6 +303,7 @@ where
 				message: args.message.clone(),
 				target_slate_version: args.target_slate_version,
 				payment_proof_recipient_address,
+				ttl_blocks: args.ttl_blocks,
 				send_args: None,
 				..Default::default()
 			};
@@ -529,6 +531,7 @@ pub struct ProcessInvoiceArgs {
 	pub max_outputs: usize,
 	pub input: String,
 	pub estimate_selection_strategies: bool,
+	pub ttl_blocks: Option<u64>,
 }
 
 /// Process invoice
@@ -574,6 +577,7 @@ where
 				num_change_outputs: 1u32,
 				selection_strategy_is_use_all: args.selection_strategy == "all",
 				message: args.message.clone(),
+				ttl_blocks: args.ttl_blocks,
 				send_args: None,
 				..Default::default()
 			};

libwallet/src/api_impl/owner.rs

@@ -751,7 +751,7 @@ where
 	// Step 5: Cancel any transactions with an expired TTL
 	for tx in txs {
 		if let Some(e) = tx.ttl_cutoff_height {
-			if e >= tip.0 {
+			if tip.0 >= e {
 				wallet_lock!(wallet_inst, w);
 				let parent_key_id = w.parent_key_id();
 				tx::cancel_tx(&mut **w, keychain_mask, &parent_key_id, Some(tx.id), None)?;

src/bin/grin-wallet.yml

@@ -155,6 +155,11 @@ subcommands:
             short: t
             long: stored_tx
             takes_value: true
+        - ttl_blocks:
+            help: If present, the number of blocks from the current after which wallets should refuse to process transactions further
+            short: b
+            long: ttl_blocks
+            takes_value: true
   - receive:
       about: Processes a transaction file to accept a transfer from a sender
       args:
@@ -252,6 +257,11 @@ subcommands:
             short: i
             long: input
             takes_value: true
+        - ttl_blocks:
+            help: If present, the number of blocks from the current after which wallets should refuse to process transactions further
+            short: b
+            long: ttl_blocks
+            takes_value: true
   - outputs:
       about: Raw wallet output info (list of outputs)
   - txs:

src/cmd/wallet_args.rs

@@ -453,6 +453,9 @@ pub fn parse_send_args(args: &ArgMatches) -> Result<command::SendArgs, ParseErro
 	// fluff
 	let fluff = args.is_present("fluff");
 
+	// ttl_blocks
+	let ttl_blocks = parse_u64_or_none(args.value_of("ttl_blocks"));
+
 	// max_outputs
 	let max_outputs = 500;
 
@@ -493,6 +496,7 @@ pub fn parse_send_args(args: &ArgMatches) -> Result<command::SendArgs, ParseErro
 		fluff: fluff,
 		max_outputs: max_outputs,
 		payment_proof_address,
+		ttl_blocks,
 		target_slate_version: target_slate_version,
 	})
 }
@@ -636,6 +640,9 @@ pub fn parse_process_invoice_args(
 		return Err(ParseError::ArgumentError(msg));
 	}
 
+	// ttl_blocks
+	let ttl_blocks = parse_u64_or_none(args.value_of("ttl_blocks"));
+
 	// max_outputs
 	let max_outputs = 500;
 
@@ -663,6 +670,7 @@ pub fn parse_process_invoice_args(
 		dest: dest.to_owned(),
 		max_outputs: max_outputs,
 		input: tx_file.to_owned(),
+		ttl_blocks,
 	})
 }