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Update BIP number and test vectors

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Alfred Hodler 2022-08-22 08:53:42 +00:00
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@ -1,5 +1,5 @@
<pre> <pre>
BIP: ? BIP: 351
Layer: Applications Layer: Applications
Title: Private Payments Title: Private Payments
Author: Alfred Hodler <alfred_hodler@protonmail.com> Author: Alfred Hodler <alfred_hodler@protonmail.com>
@ -11,8 +11,6 @@
License: MIT License: MIT
</pre> </pre>
In the following text the BIP number is provisionally set to 999 for technical purposes until a BIP number is assigned.
==Abstract== ==Abstract==
This BIP makes it possible for two parties to transact using addresses that only they can calculate. This is done using exclusively on-chain methods and in a manner that minimizes blockchain footprint. Receiving parties can share their payment codes publicly without a loss of privacy, as every sender will calculate a unique set of addresses for each payment code. This BIP makes it possible for two parties to transact using addresses that only they can calculate. This is done using exclusively on-chain methods and in a manner that minimizes blockchain footprint. Receiving parties can share their payment codes publicly without a loss of privacy, as every sender will calculate a unique set of addresses for each payment code.
@ -71,7 +69,7 @@ The derivation path for this BIP follows BIP44. The following BIP32 path levels
m / purpose' / coin_type' / account' m / purpose' / coin_type' / account'
</code> </code>
<code>purpose</code> is set to 999. <code>purpose</code> is set to 351.
''(p, P)'' and ''(n, N)'' are keys associated with the above path, depending on which side is performing the calculation. ''(p, P)'' and ''(n, N)'' are keys associated with the above path, depending on which side is performing the calculation.
@ -188,15 +186,15 @@ While the standard does not support versioning, it reserves unused bits in the a
'''Master xprv:''' xprv9s21ZrQH143K2qVytoy3eZSSuc1gfzFrkV4bgoHzYTkgge4UoNP62eV8jkHYNqddaaefpnjwkz71P5m4EW6RuQBJeP9pdfa9WBnjP6XUivG '''Master xprv:''' xprv9s21ZrQH143K2qVytoy3eZSSuc1gfzFrkV4bgoHzYTkgge4UoNP62eV8jkHYNqddaaefpnjwkz71P5m4EW6RuQBJeP9pdfa9WBnjP6XUivG
'''n:''' xprv9xgkGJLpRhrdGVTFqS49xKyH85yUKWfkazSjWUbnaqmRf5ucc2YwruLmFwqwtZ3S3Whxgj52HoyTrtfbzDUrAseWmER9DK3TZUTorzSpkdt '''n:''' xprv9zNFGn56Wm1s89ycTCg4hB615ehu6ZvNL4mxUEAL28pNhBAb6SZgLdsgmQd1ECgAiCjy6XxTTRyBdPAhH1oMfLhv2bSwfiCYhL9s9ahEehf
'''N:''' xpub6Bg6fosiG5QvUyXiwTbAKTv1g7oxiyPbxDNLJs1Q9BJQXtEm9ZsCQhfF7CEo94MBjwEz5wBmCuo5AcSeBtKDE73GfGcQ6PATzVBVfdPtY17 '''N:''' xpub6DMbgHbzM8aALe45ZED54K2jdgYPW2eDhHhZGcZwaUMMZyVjdysvtSCAcfPYiqB5Zw41EyLWPxCXko6iEckwRdF5CD2ZKdTxUKigPXsnpaE
'''x:''' 0 '''x:''' 0
'''n<sub>x</sub>:''' 011447e7c6426aecd3fb3e76fba39ef3dc1e91dc578e8b535f714234c62675c5 '''n<sub>x</sub>:''' be9518016ec15762877de7d2ce7367a2087cf5682e72bbffa89535d73bb42f40
'''N<sub>x</sub>:''' 039d138aaf5bc2e27a9740541576eceb90a5f20b4799dbfda48e5c7ca240505753 '''N<sub>x</sub>:''' 02e3217349724307eed5514b53b1f53f0802672a9913d9bbb76afecc86be23f464
===Bob's Wallet=== ===Bob's Wallet===
@ -204,42 +202,41 @@ While the standard does not support versioning, it reserves unused bits in the a
'''Master xprv:''' xprv9s21ZrQH143K47bRNtc26e8Gb3wkUiJ4fH3ewYgJeiGABp7vQtTKsLBzHM2fsfiK7Er6uMrWbdDwwrdcVn5TDC1T1npTFFkdEVoMgTwfVuR '''Master xprv:''' xprv9s21ZrQH143K47bRNtc26e8Gb3wkUiJ4fH3ewYgJeiGABp7vQtTKsLBzHM2fsfiK7Er6uMrWbdDwwrdcVn5TDC1T1npTFFkdEVoMgTwfVuR
'''p:''' 0x3ba93579cf5b37d18cd2e3507d51b22c3771a2dbfd1b58dd45d08a6e6ed4b965 '''p:''' 0x26c610e7d0ed4395be3f0664073d66b0a3442b49e1ec13faf2dd9b7d3c335441
'''P:''' 0x02943ebcb1dbb1e1cb7c0350687c2c8dbdf1c4f350d849341a6ff61a595f2085e2 '''P:''' 0x0302be8bff520f35fae3439f245c52afb9085a7bf62d099c1f5e9e1b15a7e2121a
'''Accepted scripts:''' 0x03 (legacy + segwit) (0x01 | 0x02) '''Accepted scripts:''' 0x03 (legacy + segwit) (0x01 | 0x02)
'''Payment code:''' pay1qqps99p7hjcahv0ped7qx5rg0skgm003cne4pkzfxsdxlas6t90jpp0zpnwgqy '''Payment code:''' pay1qqpsxq4730l4yre4lt3588eyt3f2lwggtfalvtgfns04a8smzkn7yys6xv2gs8
===Alice notifying Bob=== ===Alice notifying Bob===
'''S:''' 0x0295ac9a667d7077def44b11104811e5d91d164dd60cb08275b313a33691320cb3 '''S:''' 0x02c0892d6ba30b5b1eafebd47172e46d358721f294698f9f59b4d96b781da09a62
'''Notification code:''' 0xfbe8d683 '''Notification code:''' 0x49cb55bb
'''Address type commitment:''' 1 (segwit) '''Address type commitment:''' 1 (segwit)
'''Notification output script:''' OP_RETURN OP_PUSHBYTES_40 5050fbe8d683039d138aaf5bc2e27a9740541576eceb90a5f20b4799dbfda48e5c7ca24050575301 '''Notification output script:''' OP_RETURN OP_PUSHBYTES_40 505049cb55bb02e3217349724307eed5514b53b1f53f0802672a9913d9bbb76afecc86be23f46401
===Alice sending to Bob=== ===Alice sending to Bob===
'''c:''' 0 '''c:''' 0
'''s:''' 0xb7508ed246458221cc37d01de5d2f94be3a141180da11b78cbffdfd81a75f223 '''s:''' 0x5dbe5efee4a5b9df73708241858f2bf7ec65f141dbd229ea8e2f9f51804a18f2
'''s*G:''' 0x03e99301fb24083590fde78473d55a8435b0aed0dad65c516dfb268586fbe134be '''s*G:''' 0x039362033c1bc3f05e081d4d7f76d5ffebde349b0f6a4d2e8ffc5c065c17233247
'''P<sub>c</sub>:''' 0x03145adc275eda50ea188250f85e729b77b22f9868d024aff00ea61d552373cbba '''P<sub>c</sub>:''' 0x03e669bd1705691a080840b07d76713d040934a37f2e8dde2fe02f5d3286a49219
'''A<sub>c</sub>:''' bc1q7nmrkdgg3qq3l2ggh46zwv7750q6rjux0nx27a '''A<sub>c</sub>:''' bc1qw7ld5h9tj2ruwxqvetznjfq9g5jyp0gjhrs30w
===Bob spending=== ===Bob spending===
'''c:''' 0 '''c:''' 0
'''p<sub>c</sub>:''' 0xf2f9c44c15a0b9f3590ab36e6324ab781b12e3f40abc745611d06a46894aab88 '''p<sub>c</sub>:''' 0x84846fe6b592fd7531af88a58ccc92a88faa1c8bbdbe3de5810d3acebc7d6d33
==Appendix B: Potential OP_RETURN Services== ==Appendix B: Potential OP_RETURN Services==