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Non-custodial Soroban state-rent escrow and voucher settlement smart contracts for Stellar.

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Lazarus Contracts

CI

Soroban smart contracts (#![no_std], soroban-sdk v27, target wasm32v1-none) implementing the Decoupled Voucher Pattern escrow vault for the Lazarus Protocol.


Testnet Deployment

Parameter Value
Network Stellar Testnet
Vault Contract ID CBKFA2F7RUDGLJNE3K5X2XEXVXRJQ5AMB2NSPREDTATE2ZHDALFKPGUR
WASM Hash 38ad59f3c5ce3f8b6e5e943865b8bfa473c24d116e137bc47b0249c3cc0f757b
Escrow Payment Token (SAC) CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC
Oracle / FROST Group PubKey 197f6b23e16c8532c6abc838facd5ea789be0c76b2920334039bfa8b3d368d61
Explorer stellar.expert/explorer/testnet/contract/CBKFA2...
Web Console https://lazarusprotocol.online/

Core Protocol Invariants

  • Native i128 Precision: CAP-0046 / SEP-41 compliant accounting for SAC escrow reserves, bounties, and fees.
  • Non-Custodial Escrow: Client-funded escrow pools dedicated exclusively to verifiable state extension bounties.
  • Replay-Safe Keeper Nonces: Out-of-order batch tolerance via per-voucher redemption tracking and keeper high-water marks.
  • Dual Outflow Circuit Breakers: Enforces global and per-contract hourly outflow caps to prevent drain griefing.
  • Domain-Separated Verification: Validates canonical XDR LAZARUS_VOUCHER_V1 payloads signed by Ed25519 / 2-of-3 FROST group key.
  • Batched Redemption (MAX_BATCH_SIZE = 10): Settles up to 10 keeper vouchers in a single transaction with a 5% protocol fee surcharge.
  • Self-Preserving Storage: Automatically extends instance and persistent storage TTLs on every contract mutation.

Build & Test

# Run unit test suite
cargo test

# Build optimized Wasm binary (wasm32v1-none)
stellar contract build

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Non-custodial Soroban state-rent escrow and voucher settlement smart contracts for Stellar.

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