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fanquake b1de33d29a Merge #16821: Fix bug where duplicate PSBT keys are accepted ... 9743432034 Fix bug where duplicate PSBT keys are accepted (John L. Jegutanis) Pull request description: As per the BIP 174 spec a PSBT key cannot be duplicated, however the current code accepts key duplication. The PSBT key/value entries can be duplicated when the value is `empty()` or `IsNull()` for `CScript` or `CTxOut` respectively and if those key/value entries are serialized before the non-empty ones. For example, the following PSBT, included in the test vectors, contains a duplicate field: ``` // magic 70736274ff // global tx //// key 0100 //// value 2a02000000000140420f000000000017a9146e91b72d5593e7d4391e2ff44e91e985c31641f08700000000 //// separator 00 // no inputs // outputs //// key PSBT_OUT_WITNESSSCRIPT 0101 //// value (empty script) 00 //// key PSBT_OUT_WITNESSSCRIPT (same as the above) 0101 //// value (an OP_RETURN script) 016a //// separator 00 ``` ACKs for top commit: achow101: ACK 9743432034 instagibbs: code review ACK 9743432034 Tree-SHA512: 34f4b34c8e6561c6a6ab745cdd319f6687eac6f7cecc735c94035eeca8c5157e17a27f2ae853dbaa6634fcd5a8f4e1c6cc13d1ebd7e563459665d72bb147cc1e		5 years ago
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wallets/high_minversion	…
blockheader_testnet3.hex	…
invalid_txs.py	…
rpc_bip67.json	…
rpc_getblockstats.json	…
rpc_psbt.json	…