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-rwxr-xr-xtest/functional/fundrawtransaction.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/functional/fundrawtransaction.py b/test/functional/fundrawtransaction.py
index b3d6549229..5f7a0586e0 100755
--- a/test/functional/fundrawtransaction.py
+++ b/test/functional/fundrawtransaction.py
@@ -212,6 +212,19 @@ class RawTransactionsTest(BitcoinTestFramework):
out = dec_tx['vout'][0]
assert_equal(change, out['scriptPubKey']['addresses'][0])
+ #########################################################
+ # test a fundrawtransaction with a provided change type #
+ #########################################################
+ utx = get_unspent(self.nodes[2].listunspent(), 5)
+
+ inputs = [ {'txid' : utx['txid'], 'vout' : utx['vout']} ]
+ outputs = { self.nodes[0].getnewaddress() : Decimal(4.0) }
+ rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
+ assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[2].fundrawtransaction, rawtx, {'change_type': None})
+ assert_raises_rpc_error(-5, "Unknown change type", self.nodes[2].fundrawtransaction, rawtx, {'change_type': ''})
+ rawtx = self.nodes[2].fundrawtransaction(rawtx, {'change_type': 'bech32'})
+ tx = self.nodes[2].decoderawtransaction(rawtx['hex'])
+ assert_equal('witness_v0_keyhash', tx['vout'][rawtx['changepos']]['scriptPubKey']['type'])
#########################################################################
# test a fundrawtransaction with a VIN smaller than the required amount #