Add bitcoin-tx tests

Testing: delin, delout, locktime, and basic createrawtransaction-like
functionality.

src/Makefile.test.include

@@ -8,7 +8,12 @@ EXTRA_DIST += \
 	test/bctest.py \
 	test/bitcoin-util-test.py \
 	test/data/bitcoin-util-test.json \
-	test/data/blanktx.hex
+	test/data/blanktx.hex \
+	test/data/tt-delin1-out.hex \
+	test/data/tt-delout1-out.hex \
+	test/data/tt-locktime317000-out.hex \
+	test/data/tx394b54bb.hex \
+	test/data/txcreate1.hex
 
 JSON_TEST_FILES = \
   test/data/script_valid.json \

src/test/bctest.py

@@ -17,8 +17,11 @@ def bctest(testDir, testObj):
 		inputData = open(filename).read()
 		stdinCfg = subprocess.PIPE
 
-	outputFn = testObj['output_cmp']
-	outputData = open(testDir + "/" + outputFn).read()
+	outputFn = None
+	outputData = None
+	if "output_cmp" in testObj:
+		outputFn = testObj['output_cmp']
+		outputData = open(testDir + "/" + outputFn).read()
 
 	proc = subprocess.Popen(execargs, stdin=stdinCfg, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 	try:
@@ -27,10 +30,17 @@ def bctest(testDir, testObj):
 		print("OSError, Failed to execute " + execargs[0])
 		sys.exit(1)
 
-	if outs[0] != outputData:
+	if outputData and (outs[0] != outputData):
 		print("Output data mismatch for " + outputFn)
 		sys.exit(1)
 
+	wantRC = 0
+	if "return_code" in testObj:
+		wantRC = testObj['return_code']
+	if proc.returncode != wantRC:
+		print("Return code mismatch for " + outputFn)
+		sys.exit(1)
+
 def bctester(testDir, input_basename):
 	input_filename = testDir + "/" + input_basename
 	raw_data = open(input_filename).read()

src/test/data/bitcoin-util-test.json

@@ -5,5 +5,34 @@
   { "exec": ["./bitcoin-tx", "-"],
     "input": "blanktx.hex",
     "output_cmp": "blanktx.hex"
+  },
+  { "exec": ["./bitcoin-tx", "-", "delin=1"],
+    "input": "tx394b54bb.hex",
+    "output_cmp": "tt-delin1-out.hex"
+  },
+  { "exec": ["./bitcoin-tx", "-", "delin=31"],
+    "input": "tx394b54bb.hex",
+    "return_code": 1
+  },
+  { "exec": ["./bitcoin-tx", "-", "delout=1"],
+    "input": "tx394b54bb.hex",
+    "output_cmp": "tt-delout1-out.hex"
+  },
+  { "exec": ["./bitcoin-tx", "-", "delout=2"],
+    "input": "tx394b54bb.hex",
+    "return_code": 1
+  },
+  { "exec": ["./bitcoin-tx", "-", "locktime=317000"],
+    "input": "tx394b54bb.hex",
+    "output_cmp": "tt-locktime317000-out.hex"
+  },
+  { "exec":
+    ["./bitcoin-tx", "-create",
+     "in=5897de6bd6027a475eadd57019d4e6872c396d0716c4875a5f1a6fcfdf385c1f:0",
+     "in=bf829c6bcf84579331337659d31f89dfd138f7f7785802d5501c92333145ca7c:18",
+     "in=22a6f904655d53ae2ff70e701a0bbd90aa3975c0f40bfc6cc996a9049e31cdfc:1",
+     "outaddr=0.18:13tuJJDR2RgArmgfv6JScSdreahzgc4T6o",
+     "outaddr=4:1P8yWvZW8jVihP1bzHeqfE4aoXNX8AVa46"],
+    "output_cmp": "txcreate1.hex"
   }
 ]

src/test/data/txcreate1.hex

@@ -0,0 +1 @@
+01000000031f5c38dfcf6f1a5f5a87c416076d392c87e6d41970d5ad5e477a02d66bde97580000000000ffffffff7cca453133921c50d5025878f7f738d1df891fd359763331935784cf6b9c82bf1200000000fffffffffccd319e04a996c96cfc0bf4c07539aa90bd0b1a700ef72fae535d6504f9a6220100000000ffffffff0280a81201000000001976a9141fc11f39be1729bf973a7ab6a615ca4729d6457488ac0084d717000000001976a914f2d4db28cad6502226ee484ae24505c2885cb12d88ac00000000