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working prevouts hash

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timlucmiptev 2020-10-16 12:41:00 +03:00 committed by ixv
parent 2ed13a1bde
commit 9332a749d8
2 changed files with 10 additions and 5 deletions
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8
bippy-scratch.md
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@ -189,9 +189,13 @@ Native P2WPKH
=input0 (input:tx:btcs [[32 0xfff7.f788.1a80.99af.a694.0d42.d1e7.f636.2bec.3817.1ea3.edf4.3354.1db4.e4ad.969f] 0 0 [35 0x21.03c9.f483.6b9a.4f77.fc0d.81f7.bcb0.1b7f.1b35.9168.64b9.476c.241c.e9fc.198b.d254.32ac] ~ ~ 625.000.000]) =input0 (input:tx:btcs [[32 0xfff7.f788.1a80.99af.a694.0d42.d1e7.f636.2bec.3817.1ea3.edf4.3354.1db4.e4ad.969f] 0 0 [35 0x21.03c9.f483.6b9a.4f77.fc0d.81f7.bcb0.1b7f.1b35.9168.64b9.476c.241c.e9fc.198b.d254.32ac] ~ ~ 625.000.000])
=input1 (input:tx:btcs [[32 0xef51.e1b8.04cc.89d1.82d2.7965.5c3a.a89e.815b.1b30.9fe2.87d9.b2b5.5d57.b90e.c68a] 0 1 [22 0x14.1d0f.172a.0ecb.48ae.e1be.1f26.87d2.963a.e33f.71a1] ~ `[33 0x2.5476.c2e8.3188.368d.a1ff.3e29.2e7a.cafc.db35.66bb.0ad2.53f6.2fc7.0f07.aeee.6357] 600.000.000]) =input1 (input:tx:btcs [[32 0xef51.e1b8.04cc.89d1.82d2.7965.5c3a.a89e.815b.1b30.9fe2.87d9.b2b5.5d57.b90e.c68a] 0 1 [22 0x14.1d0f.172a.0ecb.48ae.e1be.1f26.87d2.963a.e33f.71a1] ~ `[33 0x2.5476.c2e8.3188.368d.a1ff.3e29.2e7a.cafc.db35.66bb.0ad2.53f6.2fc7.0f07.aeee.6357] 600.000.000])
output0=[[%bech32 'bc1qs2qtxl0n0rdenan0shy457p6w6k85m2e36f7ze']] =output0 (output:tx:btcs [[%bech32 'bc1qs2qtxl0n0rdenan0shy457p6w6k85m2e36f7ze'] 112.340.000])
=output1 (output:tx:btcs [[%bech32 'bc1q800y9klw0exmu63pkt2sechszel64q2enddkt4'] 223.450.000])
=utx (unsigned:tx:btcs [~[input0 input1] ~[output0 output1]])
``` ```
0x8280.b37d.f378.db99.f66f.85c9.5a78.3a76.ac7a.6d59 0x3bde.42db.ee7e.4dbe.6a21.b2d5.0ce2.f016.7faa.8159
## cutting off the last 20 bytes (for bech32 address outputs): ## cutting off the last 20 bytes (for bech32 address outputs):
``` ```

3
lib/btc.hoon
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@ -73,7 +73,7 @@
|= =input:tx ^- buffer:tx |= =input:tx ^- buffer:tx
%+ weld %+ weld
(from-byts tx-hash.input) (from-byts tx-hash.input)
(from-atom-le 8 witness-ver.input) (from-atom-le 4 witness-ver.input)
:: ::
++ output-buffer ++ output-buffer
|= =output:tx ^- buffer:tx |= =output:tx ^- buffer:tx
@ -100,6 +100,7 @@
(from-byts [4 0xffff.ffff]) (from-byts [4 0xffff.ffff])
=/ outputs=byts =/ outputs=byts
%- concat-as-byts (turn outputs.ut output-buffer) %- concat-as-byts (turn outputs.ut output-buffer)
~& > `[@ @ux]`prevouts
(dsha256 prevouts) (dsha256 prevouts)
:: ::
++ sighash-legacy ++ sighash-legacy