mmgen-txsend: add --receipt option

mmgen/main_txsend.py

@@ -53,6 +53,7 @@ opts_data = {
                  {tx_proxies}).  This is done via a publicly accessible web
                  page, so no API key or registration is required
 -q, --quiet      Suppress warnings; overwrite files without prompting
+-r, --receipt    Print the receipt of the sent transaction (Ethereum only)
 -s, --status     Get status of a sent transaction (or current transaction,
                  whether sent or unsent, when used with --autosign)
 -t, --test       Test whether the transaction can be sent without sending it
@@ -147,6 +148,9 @@ async def main():
 		await post_send(tx)
 		sys.exit(0)
 
+	if cfg.receipt:
+		sys.exit(await tx.status.display(print_receipt=True))
+
 	if cfg.status:
 		if tx.coin_txid:
 			cfg._util.qmsg(f'{tx.proto.coin} txid: {tx.coin_txid.hl()}')

mmgen/proto/eth/tx/status.py

@@ -13,11 +13,11 @@ proto.eth.tx.status: Ethereum transaction status class
 """
 
 from ....tx import status as TxBase
-from ....util import msg, die, suf, capfirst, pp_fmt
+from ....util import msg, Msg, die, suf, capfirst, pp_fmt
 
 class Status(TxBase.Status):
 
-	async def display(self, *, usr_req=False, return_exit_val=False):
+	async def display(self, *, usr_req=False, return_exit_val=False, print_receipt=False):
 
 		def do_exit(retval, message):
 			if return_exit_val:
@@ -54,11 +54,12 @@ class Status(TxBase.Status):
 				'Warning: transaction is in mempool!')
 			return
 
-		if usr_req:
+		if usr_req or print_receipt:
 			ret = await is_in_wallet()
-			if tx.cfg.verbose:
-				from ....color import cyan
-				msg('{}\n{}'.format(cyan('TRANSACTION RECEIPT'), pp_fmt(ret.rx)))
+			if print_receipt:
+				import json
+				Msg(json.dumps(ret.rx, indent=4))
+				return not ret.exec_status
 			if ret:
 				if tx.txobj['data'] and not tx.is_swap:
 					cd = capfirst(tx.contract_desc)