def test_disabled_ops():
for opcode in ScriptInterpreter.DISABLED_OPS:
si = ScriptInterpreter()
si.run_script(Script("OP_1 " + opcode + " OP_2"))
assert not si.valid
assert list(si.stack) == [1]
def test_op_checkmultisig():
txn = Transaction.from_hex(
"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"
) # nopep8
sig_script = txn.inputs[0].script
redeem_script = Script(sig_script.ast[-1][-1])
script_pub_key = Script.build_p2sh(redeem_script.hash160())
si = ScriptInterpreter(txn=txn, input_index=0, sub_script=redeem_script)
si.run_script(sig_script)
assert len(si.stack) == 4
si.run_script(script_pub_key)
assert len(si.stack) == 4
assert si.stack[-1] is True
assert si.valid
si._op_verify()
# This will do the OP_CHECKMULTISIG
si.run_script(redeem_script)
assert len(si.stack) == 1
assert si.stack[0] is True
assert si.valid
assert len(si.stack) == 1
def test_disabled_ops():
for opcode in ScriptInterpreter.DISABLED_OPS:
si = ScriptInterpreter()
si.run_script(Script("OP_1 " + opcode + " OP_2"))
assert not si.valid
assert list(si.stack) == [1]
def test_op_depth():
s = Script("OP_1 OP_IFDUP OP_DEPTH")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 3
assert list(si.stack) == [1, 1, 2]
def test_op_return():
s = Script("OP_RETURN 0x010203")
si = ScriptInterpreter()
si.run_script(s)
assert si.stop
assert len(si.stack) == 0
def test_op_drop():
s = Script("OP_1 OP_IFDUP OP_DROP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [1]
def test_op_0():
s = Script("OP_0")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == b''
def test_op_abs():
s = Script("OP_3 OP_NEGATE OP_ABS")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [3]
def test_op_add():
s = Script("OP_1 OP_2 OP_ADD")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [3]
def test_op_size():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 0x010203 OP_SIZE")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 7
assert list(si.stack) == [1, 2, 3, 4, 5, b'\x01\x02\x03', 3]
def test_op_1sub():
s = Script("OP_3 OP_1SUB")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [2]
def test_op_2rot():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_6 OP_2ROT")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 6
assert list(si.stack) == [3, 4, 5, 6, 1, 2]
def test_op_2swap():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_6 OP_2SWAP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 6
assert list(si.stack) == [1, 2, 5, 6, 3, 4]
def test_op_3dup():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_3DUP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 8
assert list(si.stack) == [1, 2, 3, 4, 5, 3, 4, 5]
def test_op_2over():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_2OVER")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 7
assert list(si.stack) == [1, 2, 3, 4, 5, 2, 3]
def test_op_2drop():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_2DROP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 3
assert list(si.stack) == [1, 2, 3]
def test_op_tuck():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_TUCK")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 6
assert list(si.stack) == [1, 2, 3, 5, 4, 5]
def test_op_rot():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_ROT")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 5
assert list(si.stack) == [1, 2, 4, 5, 3]
def test_op_1negate():
s = Script("OP_1NEGATE")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == -1
def test_op_hash160():
s = Script("0x01 OP_HASH160")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == b'\xc5\x1bf\xbc\xed^D\x91\x00\x1b\xd7\x02f\x97p\xdc\xcfD\t\x82'
def test_op_size():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 0x010203 OP_SIZE")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 7
assert list(si.stack) == [1, 2, 3, 4, 5, b'\x01\x02\x03', 3]
def test_op_1sub():
s = Script("OP_3 OP_1SUB")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [2]
def test_op_hash256():
s = Script("0x01 OP_HASH256")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == b'\x9c\x12\xcf\xdc\x04\xc7E\x84\xd7\x87\xac=#w!2\xc1\x85$\xbcz\xb2\x8d\xecB\x19\xb8\xfc[B_p'
def test_op_sha256():
s = Script("0x01 OP_SHA256")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == b'K\xf5\x12/4ET\xc5;\xde.\xbb\x8c\xd2\xb7\xe3\xd1`\n\xd61\xc3\x85\xa5\xd7\xcc\xe2<w\x85E\x9a'
def test_op_sha1():
s = Script("0x01 OP_SHA1")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == b'\xbf\x8bE0\xd8\xd2F\xddt\xacS\xa14q\xbb\xa1yA\xdf\xf7'
def test_op_ripemd160():
s = Script("0x01 OP_RIPEMD160")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == b'\xf2\x91\xbaP\x15\xdf4\x8c\x80\x85?\xa5\xbb\x0fyF\xf5\xc9\xe1\xb3'
def test_op_add():
s = Script("OP_1 OP_2 OP_ADD")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [3]
def test_op_nip():
s = Script("OP_1 OP_2 OP_3 OP_NIP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert list(si.stack) == [1, 3]
def test_op_depth():
s = Script("OP_1 OP_IFDUP OP_DEPTH")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 3
assert list(si.stack) == [1, 1, 2]
def test_op_2over():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_2OVER")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 7
assert list(si.stack) == [1, 2, 3, 4, 5, 2, 3]
def test_op_2rot():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_6 OP_2ROT")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 6
assert list(si.stack) == [3, 4, 5, 6, 1, 2]
def test_op_2drop():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_2DROP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 3
assert list(si.stack) == [1, 2, 3]
def test_op_3dup():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_3DUP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 8
assert list(si.stack) == [1, 2, 3, 4, 5, 3, 4, 5]
def test_op_rot():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_ROT")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 5
assert list(si.stack) == [1, 2, 4, 5, 3]
def test_op_tuck():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_TUCK")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 6
assert list(si.stack) == [1, 2, 3, 5, 4, 5]
def test_op_1negate():
s = Script("OP_1NEGATE")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == -1
def test_op_0():
s = Script("OP_0")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == b''
def test_op_drop():
s = Script("OP_1 OP_IFDUP OP_DROP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [1]
def test_op_abs():
s = Script("OP_3 OP_NEGATE OP_ABS")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [3]
def test_op_return():
s = Script("OP_RETURN 0x010203")
si = ScriptInterpreter()
si.run_script(s)
assert si.stop
assert len(si.stack) == 0
def test_op_2swap():
s = Script("OP_1 OP_2 OP_3 OP_4 OP_5 OP_6 OP_2SWAP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 6
assert list(si.stack) == [1, 2, 5, 6, 3, 4]
def test_op_nip():
s = Script("OP_1 OP_2 OP_3 OP_NIP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert list(si.stack) == [1, 3]
def test_op_dup():
s = Script("0x01 OP_DUP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert si.stack[0] == b'\x01'
assert si.stack[1] == b'\x01'
def test_op_push():
s = Script("0x02 0x03")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert si.stack[0] == b'\x02'
assert si.stack[1] == b'\x03'
def test_op_pushnum():
for i in range(1, 17):
s = Script("OP_%d" % i)
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == i
def test_op_push():
s = Script("0x02 0x03")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert si.stack[0] == b'\x02'
assert si.stack[1] == b'\x03'
def test_op_dup():
s = Script("0x01 OP_DUP")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert si.stack[0] == b'\x01'
assert si.stack[1] == b'\x01'
def test_op_hash160():
s = Script("0x01 OP_HASH160")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[
0] == b'\xc5\x1bf\xbc\xed^D\x91\x00\x1b\xd7\x02f\x97p\xdc\xcfD\t\x82'
def test_op_hash256():
s = Script("0x01 OP_HASH256")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[
0] == b'\x9c\x12\xcf\xdc\x04\xc7E\x84\xd7\x87\xac=#w!2\xc1\x85$\xbcz\xb2\x8d\xecB\x19\xb8\xfc[B_p'
def test_op_sha1():
s = Script("0x01 OP_SHA1")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[
0] == b'\xbf\x8bE0\xd8\xd2F\xddt\xacS\xa14q\xbb\xa1yA\xdf\xf7'
def test_op_sha256():
s = Script("0x01 OP_SHA256")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[
0] == b'K\xf5\x12/4ET\xc5;\xde.\xbb\x8c\xd2\xb7\xe3\xd1`\n\xd61\xc3\x85\xa5\xd7\xcc\xe2<w\x85E\x9a'
def test_op_pushnum():
for i in range(1, 17):
s = Script("OP_%d" % i)
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[0] == i
def test_op_ripemd160():
s = Script("0x01 OP_RIPEMD160")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert si.stack[
0] == b'\xf2\x91\xbaP\x15\xdf4\x8c\x80\x85?\xa5\xbb\x0fyF\xf5\xc9\xe1\xb3'
def test_op_fromaltstack():
s = Script("OP_1 OP_2 OP_TOALTSTACK OP_FROMALTSTACK")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert si.stack[-1] == 2
assert si.stack[-2] == 1
assert len(si._alt_stack) == 0
def test_op_fromaltstack():
s = Script("OP_1 OP_2 OP_TOALTSTACK OP_FROMALTSTACK")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert si.stack[-1] == 2
assert si.stack[-2] == 1
assert len(si._alt_stack) == 0
def test_op_else():
s = Script("OP_1 OP_IF OP_2 OP_3 OP_ELSE OP_15 OP_ENDIF OP_4")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 3
assert list(si.stack) == [2, 3, 4]
assert len(si._if_else_stack) == 0
s = Script("OP_0 OP_IF OP_2 OP_3 OP_ELSE OP_15 OP_ENDIF OP_4")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert list(si.stack) == [15, 4]
assert len(si._if_else_stack) == 0
s = Script("OP_0 OP_IF OP_2 OP_3 OP_ELSE OP_1 OP_2 OP_SUB OP_IF OP_3 OP_ENDIF OP_ENDIF OP_4")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert list(si.stack) == [3, 4]
assert len(si._if_else_stack) == 0
def test_op_if():
s = Script("OP_1 OP_IF OP_2 OP_3 OP_ENDIF OP_4")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 3
assert list(si.stack) == [2, 3, 4]
assert len(si._if_else_stack) == 0
s = Script("OP_0 OP_IF OP_2 OP_3 OP_ENDIF OP_4")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [4]
assert len(si._if_else_stack) == 0
s = Script("OP_1 OP_IF OP_2 OP_3 OP_IF OP_15 OP_ADD OP_ENDIF OP_ENDIF OP_4")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 2
assert list(si.stack) == [17, 4]
assert len(si._if_else_stack) == 0
def test_op_checkmultisig():
txn = Transaction.from_hex("01000000010506344de69d47e432eb0174500d6e188a9e63c1e84a9e8796ec98c99b7559f701000000fdfd00004730440220695a28c42daa23c13e192e36a20d03a2a79994e0fe1c3c6b612d0ae23743064602200ca19003e7c1ce0cecb0bbfba9a825fc3b83cf54e4c3261cd15f080d24a8a5b901483045022100aa9096ce71995c24545694f20ab0482099a98c99b799c706c333c521e51db66002206578f023fa46f4a863a6fa7f18b95eebd1a91fcdf6ce714e8795d902bd6b682b014c69522102b66fcb1064d827094685264aaa90d0126861688932eafbd1d1a4ba149de3308b21025cab5e31095551582630f168280a38eb3a62b0b3e230b20f8807fc5463ccca3c21021098babedb3408e9ac2984adcf2a8e4c48e56a785065893f76d0fa0ff507f01053aeffffffff01c8af0000000000001976a91458b7a60f11a904feef35a639b6048de8dd4d9f1c88ac00000000") # nopep8
sig_script = txn.inputs[0].script
redeem_script = Script(sig_script.ast[-1][-1])
script_pub_key = Script.build_p2sh(redeem_script.hash160())
si = ScriptInterpreter(txn=txn,
input_index=0,
sub_script=redeem_script)
si.run_script(sig_script)
assert len(si.stack) == 4
si.run_script(script_pub_key)
assert len(si.stack) == 4
assert si.stack[-1] is True
assert si.valid
si._op_verify()
# This will do the OP_CHECKMULTISIG
si.run_script(redeem_script)
assert len(si.stack) == 1
assert si.stack[0] is True
assert si.valid
assert len(si.stack) == 1
def test_op_0notequal():
s = Script("OP_1 OP_0NOTEQUAL")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [1]
si.run_script(Script("OP_NOT"))
assert list(si.stack) == [0]
si.run_script(Script("OP_0NOTEQUAL"))
assert list(si.stack) == [0]
def test_op_not():
s = Script("OP_1 OP_NOT")
si = ScriptInterpreter()
si.run_script(s)
assert len(si.stack) == 1
assert list(si.stack) == [0]
si.run_script(Script("OP_2 OP_NOT"))
assert list(si.stack) == [0, 0]
si.run_script(Script("OP_NOT"))
assert list(si.stack) == [0, 1]
