Save transaction as part of TxLogEntry after transaction completion (#1473)

* save wallet transaction on transaction completion

* rustfmt

* add resend command

* rustfmt

* added unit tests + fixes for grin wallet repost

* add ability to dump transaction file contents

* rustfmt

* wallet doc update

src/bin/cmd/wallet.rs

@@ -343,6 +343,50 @@ pub fn wallet_command(wallet_args: &ArgMatches, config: GlobalWalletConfig) {
 				};
 				Ok(())
 			}
+			("repost", Some(repost_args)) => {
+				let tx_id: u32 = match repost_args.value_of("id") {
+					None => {
+						error!(LOGGER, "Transaction of a completed but unconfirmed transaction required (specify with --id=[id])");
+						panic!();
+					}
+					Some(tx) => match tx.parse() {
+						Ok(t) => t,
+						Err(_) => {
+							panic!("Unable to parse argument 'id' as a number");
+						}
+					},
+				};
+				let dump_file = repost_args.value_of("dumpfile");
+				let fluff = repost_args.is_present("fluff");
+				match dump_file {
+					None => {
+						let result = api.post_stored_tx(tx_id, fluff);
+						match result {
+							Ok(_) => {
+								info!(LOGGER, "Reposted transaction at {}", tx_id);
+								Ok(())
+							}
+							Err(e) => {
+								error!(LOGGER, "Tranasction reposting failed: {}", e);
+								Err(e)
+							}
+						}
+					}
+					Some(f) => {
+						let result = api.dump_stored_tx(tx_id, f);
+						match result {
+							Ok(_) => {
+								warn!(LOGGER, "Dumped transaction data for tx {} to {}", tx_id, f);
+								Ok(())
+							}
+							Err(e) => {
+								error!(LOGGER, "Tranasction reposting failed: {}", e);
+								Err(e)
+							}
+						}
+					}
+				}
+			}
 			("cancel", Some(tx_args)) => {
 				let tx_id = tx_args
 					.value_of("id")

src/bin/grin.rs

@@ -222,6 +222,11 @@ fn main() {
 				.help("Fluff the transaction (ignore Dandelion relay protocol)")
 				.short("f")
 				.long("fluff")))
+			.arg(Arg::with_name("stored_tx")
+				.help("If present, use the previously stored Unconfirmed transaction with given id.")
+				.short("t")
+				.long("stored_tx")
+				.takes_value(true))
 
 		.subcommand(SubCommand::with_name("receive")
 			.about("Processes a transaction file to accept a transfer from a sender.")
@@ -268,6 +273,23 @@ fn main() {
 				.long("id")
 				.takes_value(true)))
 
+		.subcommand(SubCommand::with_name("repost")
+			.about("Reposts a stored, completed but unconfirmed transaction to the chain, or dumps it to a file")
+			.arg(Arg::with_name("id")
+				.help("Transaction ID Containing the stored completed transaction")
+				.short("i")
+				.long("id")
+				.takes_value(true))
+			.arg(Arg::with_name("dumpfile")
+				.help("File name to duMp the tranaction to instead of posting")
+				.short("m")
+				.long("dumpfile")
+				.takes_value(true))
+			.arg(Arg::with_name("fluff")
+				.help("Fluff the transaction (ignore Dandelion relay protocol)")
+				.short("f")
+				.long("fluff")))
+
 		.subcommand(SubCommand::with_name("cancel")
 			.about("Cancels an previously created transaction, freeing previously locked outputs for use again")
 			.arg(Arg::with_name("id")