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Agent #25 — Senior Blockchain Engineer (contracts + Base L2)

Reports to: Agent #1. Mandate: Owns DIDRegistry, Groth16Verifier, contract deployment on Base Sepolia + mainnet, audit anchor contract, upgradability. KPIs: see role 25 in ../03-team.md.

Week 1 (2026-05-25 → 2026-05-29)​

A25-W1-Mon (2026-05-25) — Contract inventory

  • Done when: existing contracts (DIDRegistry, Groth16Verifier) reviewed; on-chain state captured.
  • Output: docs/team/blockchain/contract-inventory.md.
  • Verify: every deployed contract has a row.
  • Reviewer: Agent #11.
  • Depends on: A01-W1-Mon.

A25-W1-Tue (2026-05-26) — ADR 0011 draft (on-chain anchor cadence)

  • Done when: → C-010 PR opened.
  • Output: adr/0011-on-chain-anchor-cadence.md.
  • Verify: defines audit_anchors table, cron schedule, anchor payload, failure recovery.
  • Reviewer: Agents #1, #11, #27.
  • Depends on: A25-W1-Mon.

A25-W1-Wed (2026-05-27) — AuditAnchor contract design

  • Done when: contract API surface designed (write-once anchors per (tenant, day)).
  • Output: docs/team/blockchain/audit-anchor-contract-design.md.
  • Verify: design captures gas budget + role authorisation.
  • Reviewer: Agent #27.
  • Depends on: A25-W1-Tue.

A25-W1-Thu (2026-05-28) — AuditAnchor contract first cut

  • Done when: contracts/AuditAnchor.sol written; Hardhat test passes.
  • Output: contract source + test.
  • Verify: contracts/test/AuditAnchor.test.ts green.
  • Reviewer: Agent #11.
  • Depends on: A25-W1-Wed.

A25-W1-Fri (2026-05-29) — Status post + Groth16Verifier redeploy plan (C-020)

  • Done when: redeploy plan captured for v1.1 verifier.
  • Output: docs/team/blockchain/groth16-v1-1-redeploy-plan.md.
  • Verify: includes rollback path.
  • Reviewer: Agent #11.
  • Depends on: A25-W1-Thu.

Week 2 (2026-06-01 → 2026-06-05)​

A25-W2-Mon (2026-06-01) — Deploy AuditAnchor to Base Sepolia (C-016)

  • Done when: → C-016 PR opened; contract deployed + verified on Basescan.
  • Output: contracts/deployed-addresses.json updated.
  • Verify: contract verified on Basescan; ABI exported.
  • Reviewer: Agents #1, #11.
  • Depends on: A25-W1-Thu.

A25-W2-Tue (2026-06-02) — Pair with Agent #21 on C-015 (anchor cron) — contract-side

  • Done when: contract integration in anchor-job.ts confirmed.
  • Output: PR contribution.
  • Verify: tests/anchor-job.test.ts green against Hardhat fork.
  • Reviewer: Agent #21.
  • Depends on: A25-W2-Mon.

A25-W2-Wed (2026-06-03) — Redeploy Groth16Verifier to Base Sepolia (C-020)

  • Done when: → C-020 PR opened; new verifier deployed + verified.
  • Output: contracts/deployed-addresses.json updated.
  • Verify: verifier accepts known-good v1.1 proof, rejects known-bad.
  • Reviewer: Agent #11.
  • Depends on: A25-W2-Tue.

A25-W2-Thu (2026-06-04) — Contract-test harness expansion

  • Done when: tests added for AuditAnchor edge cases (re-anchor attempt, wrong role, gas exhaustion).
  • Output: PR.
  • Verify: edge-case tests green.
  • Reviewer: Agent #27.
  • Depends on: A25-W2-Wed.

A25-W2-Fri (2026-06-05) — Phase 0 blockchain sign-off + status post

  • Done when: AuditAnchor + Groth16Verifier v1.1 deployed + verified.
  • Output: row in docs/team/phase-exits/phase-0-crypto-signoff.md.
  • Verify: addresses committed.
  • Reviewer: Agents #1, #11.
  • Depends on: A25-W2-Thu.

Week 3 (2026-06-08 → 2026-06-12)​

A25-W3-Mon (2026-06-08) — Deploy-script idempotence

  • Done when: scripts/deploy-contracts.ts returns existing address on rerun.
  • Output: PR.
  • Verify: rerun on Base Sepolia produces zero new transactions.
  • Reviewer: Agent #21.
  • Depends on: A25-W2-Fri.

A25-W3-Tue (2026-06-09) — Mainnet-readiness checklist drafted

  • Done when: checklist captures pre-deploy review, dry-run on Base testnet, audit-firm engagement, monitoring, rollback.
  • Output: docs/team/blockchain/mainnet-readiness-checklist.md.
  • Verify: 20+ checklist items.
  • Reviewer: Agent #36.
  • Depends on: A25-W3-Mon.

A25-W3-Wed (2026-06-10) — Cross-line architecture sync attendance + bytecode-equivalence verification

  • Done when: bytecode-equivalence procedure documented.
  • Output: docs/team/blockchain/bytecode-equivalence-procedure.md.
  • Verify: procedure replicable.
  • Reviewer: Agent #27.
  • Depends on: A25-W3-Tue.

A25-W3-Thu (2026-06-11) — Contract risk register

  • Done when: risk register lists upgrade risk, key compromise, gas-spike risk, chain-rollback risk.
  • Output: docs/team/blockchain/contract-risk-register.md.
  • Verify: each risk has a mitigation.
  • Reviewer: Agent #40.
  • Depends on: A25-W3-Wed.

A25-W3-Fri (2026-06-12) — Status post + Trail of Bits (or equivalent) audit firm scoping

  • Done when: audit firm shortlist documented; pre-engagement scoped.
  • Output: docs/team/blockchain/contract-audit-firm-shortlist.md.
  • Verify: 3 firms compared.
  • Reviewer: Agent #36.
  • Depends on: A25-W3-Thu.

Week 4 (2026-06-15 → 2026-06-19)​

A25-W4-Mon (2026-06-15) — Anchor-job production-ish monitoring

  • Done when: alert wired for "anchor failed 2 days running" + "anchor gas spike".
  • Output: PR + Grafana alert.
  • Verify: alert path tested with synthetic failure.
  • Reviewer: Agent #21.
  • Depends on: A25-W3-Fri.

A25-W4-Tue (2026-06-16) — Deploy-script secrets audit

  • Done when: deploy script audited for secret-handling; no plaintext keys in CI.
  • Output: PR / report.
  • Verify: secrets sourced from CI secrets, never logged.
  • Reviewer: Agent #26.
  • Depends on: A25-W4-Mon.

A25-W4-Wed (2026-06-17) — Cross-line architecture sync attendance + ABI artefact publishing

  • Done when: ABI files published as part of CI artefacts; SDKs can consume.
  • Output: PR.
  • Verify: SDK packages can pin ABI version.
  • Reviewer: Agents #31, #34.
  • Depends on: A25-W4-Tue.

A25-W4-Thu (2026-06-18) — Sprint 1 blockchain sign-off

  • Done when: blockchain section of S1 exit gate green.
  • Output: row in docs/team/sprint-exits/s1-crypto.md.
  • Verify: contracts deployed + verified + monitored.
  • Reviewer: Agent #1.
  • Depends on: A25-W4-Wed.

A25-W4-Fri (2026-06-19) — Sprint 2 self-plan + status post

  • Done when: sprint-2 daily tickets drafted (v1.2 verifier redeploy after trusted-setup).
  • Output: docs/team/blockchain/a25-sprint-2-plan.md.
  • Verify: 5 daily tickets.
  • Reviewer: Agent #1.
  • Depends on: A25-W4-Thu.