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feat(governance): wallet_drep_vote_cast + pallas voting_procedures patch

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Phase 6, key-credentialed slice (script-DRep bridge for the DAO is the
remaining sub-arc).

## pallas-fork patch (Sulkta-Coop/pallas feat-aux-data HEAD 507fd9da)

Threads voting_procedures through StagingTransaction → conway::
build_conway_raw, mirroring the auxiliary_data + certificates patches.

- pallas-txbuilder/src/transaction/model.rs: voting_procedures field +
  builder methods .voting_procedures() / .clear_voting_procedures()
- pallas-txbuilder/src/conway.rs: VotingProcedures::decode_fragment on
  the way out, assigned to TransactionBody.voting_procedures
- BRANCH-NOTES.md: section 3 added documenting the new patch
- 2 new tests (round-trip + negative path) on the txbuilder side

aldabra Cargo.lock SHAs bumped to the new HEAD.

## aldabra-core/src/governance.rs

- VoteChoice enum (Yes/No/Abstain) with into_pallas() conversion
- build_signed_drep_vote_cast — assembles VotingProcedures CBOR
  (NonEmptyKeyValuePairs<Voter, NonEmptyKeyValuePairs<GovActionId,
  VotingProcedure>>) with this wallet's stake credential as a
  Voter::DRepKey, attaches via the new pallas API, dual-witness signs.
- Optional CIP-100 anchor on the vote.

## aldabra-mcp/src/tools.rs

- wallet_drep_vote_cast tool: gov_action_tx_hash + gov_action_index +
  vote (yes/no/abstain) + optional anchor.

What's still scope-of-Phase-6:
- Script-credentialed DRep voting (the DAO governor as DRep, with
  redeemer-driven authorization). Needs a different signing path
  since the voter is a script credential, not a key credential.
  Separate builder; defer until Sulkta wants to actually bridge.
This commit is contained in:
Sulkta 2026-05-06 07:14:17 -07:00
parent 77d4b2d0b5
commit eb48a5cf3e
4 changed files with 279 additions and 10 deletions
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14
Cargo.lock generated
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@ -1253,7 +1253,7 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
[[package]]
name = "pallas-addresses"
version = "0.32.1"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#68221fbcb57ea499502ad23547313ff91a21ba72"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#507fd9da15f1239ff2df866e0d7601d4518e83a3"
dependencies = [
"base58",
"bech32",
@ -1268,7 +1268,7 @@ dependencies = [
[[package]]
name = "pallas-codec"
version = "0.32.1"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#68221fbcb57ea499502ad23547313ff91a21ba72"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#507fd9da15f1239ff2df866e0d7601d4518e83a3"
dependencies = [
"hex",
"minicbor",
@ -1279,7 +1279,7 @@ dependencies = [
[[package]]
name = "pallas-crypto"
version = "0.32.1"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#68221fbcb57ea499502ad23547313ff91a21ba72"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#507fd9da15f1239ff2df866e0d7601d4518e83a3"
dependencies = [
"cryptoxide",
"hex",
@ -1293,7 +1293,7 @@ dependencies = [
[[package]]
name = "pallas-primitives"
version = "0.32.1"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#68221fbcb57ea499502ad23547313ff91a21ba72"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#507fd9da15f1239ff2df866e0d7601d4518e83a3"
dependencies = [
"base58",
"bech32",
@ -1308,7 +1308,7 @@ dependencies = [
[[package]]
name = "pallas-traverse"
version = "0.32.1"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#68221fbcb57ea499502ad23547313ff91a21ba72"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#507fd9da15f1239ff2df866e0d7601d4518e83a3"
dependencies = [
"hex",
"itertools",
@ -1324,7 +1324,7 @@ dependencies = [
[[package]]
name = "pallas-txbuilder"
version = "0.32.1"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#68221fbcb57ea499502ad23547313ff91a21ba72"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#507fd9da15f1239ff2df866e0d7601d4518e83a3"
dependencies = [
"hex",
"pallas-addresses",
@ -1341,7 +1341,7 @@ dependencies = [
[[package]]
name = "pallas-wallet"
version = "0.32.1"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#68221fbcb57ea499502ad23547313ff91a21ba72"
source = "git+https://git.sulkta.com/Sulkta-Coop/pallas.git?branch=feat-aux-data#507fd9da15f1239ff2df866e0d7601d4518e83a3"
dependencies = [
"bech32",
"bip39",