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wallet: Add error message to GetReservedDestination

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Adds an error output parameter to all GetReservedDestination functions
so that callers can get the actual reason that a change address could
not be fetched. This more closely matches GetNewDestination. This allows
for more granular error messages, such as one that indicates that
bech32m addresses cannot be generated yet.
This commit is contained in:
Andrew Chow
2021-06-12 21:36:05 -04:00
parent 87a0e7a3b7
commit 754f134a50
8 changed files with 21 additions and 18 deletions
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2
test/functional/wallet_keypool.py
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@@ -161,7 +161,7 @@ class KeyPoolTest(BitcoinTestFramework):
# Using a fee rate (10 sat / byte) well above the minimum relay rate
# creating a 5,000 sat transaction with change should not be possible
assert_raises_rpc_error(-4, "Transaction needs a change address, but we can't generate it. Please call keypoolrefill first.", w2.walletcreatefundedpsbt, inputs=[], outputs=[{addr.pop(): 0.00005000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})
assert_raises_rpc_error(-4, "Transaction needs a change address, but we can't generate it.", w2.walletcreatefundedpsbt, inputs=[], outputs=[{addr.pop(): 0.00005000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})
# creating a 10,000 sat transaction without change, with a manual input, should still be possible
res = w2.walletcreatefundedpsbt(inputs=w2.listunspent(), outputs=[{destination: 0.00010000}], options={"subtractFeeFromOutputs": [0], "feeRate": 0.00010})