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fix(dao): wire V2 cost model into proposal_create staging

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Without staging.language_view(), pallas does not compute
script_data_hash. Chain rejects the tx with PPViewHashesDontMatch.
Same trap that plutus_mint hit on 2026-05-07 — same fix here.

Caught attempting first dao_proposal_create_unsigned on preprod_test
DAO 2026-05-07 PM after deploying governor + proposal validator ref
UTxOs via the new file-path workaround for the MCP large-string bug.
This commit is contained in:
Kayos 2026-05-07 16:57:05 -07:00
parent 2d4c2163a9
commit 044ebd2379
1 changed files with 12 additions and 1 deletions
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13
crates/aldabra-dao/src/builder/proposal_create.rs
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@ -43,7 +43,7 @@ use pallas_codec::minicbor;
use pallas_codec::utils::KeyValuePairs;
use pallas_crypto::hash::Hash;
use pallas_primitives::PlutusData;
use pallas_txbuilder::{BuildConway, ExUnits, Input, Output, StagingTransaction};
use pallas_txbuilder::{BuildConway, ExUnits, Input, Output, ScriptKind, StagingTransaction};
use crate::agora::governor::GovernorDatum;
use crate::agora::proposal::{
@ -589,6 +589,17 @@ pub fn build_unsigned_proposal_create(
staging = staging.fee(args.fee_lovelace).network_id(network_id);
// Wire the V2 cost model so pallas computes script_data_hash. Without
// this the chain rejects with PPViewHashesDontMatch — same trap the
// plutus_mint path tripped over on 2026-05-07. All Agora validators
// we witness here (governor, stake, proposalSt policy) are PlutusV2
// on the current preprod linker output, so a single language_view
// entry covers all three.
staging = staging.language_view(
ScriptKind::PlutusV2,
aldabra_core::plutus_cost_models::PLUTUS_V2_COST_MODEL_PREPROD.to_vec(),
);
let built = staging
.build_conway_raw()
.map_err(|e| DaoError::Backend(format!("build_conway_raw: {e}")))?;