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TraderX Spec 016 Standalone Web Execution Blotter

Live Reference Implementation: https://traderx.synapticchain.xyz
Standards: FINOS FDC3 3.0 (PR #2204), TraderX Spec 016 (PR #470), Solana Token-2022 (RequiredMemoTransfers)

Overview​

This directory provides the standalone, dependency-free TraderX Spec 016 Web Blotter. It serves as the primary visual and operational demonstration of the FINOS TraderX ↔ BankerX Post-Trade cash-leg settlement flow without requiring a heavyweight Angular build or local Kind Kubernetes cluster.

Capabilities & Key Features​

  1. FINOS FDC3 3.0 Intent Dispatch:

    • Raises standard StartPayment intent with full fdc3.payment payloads carrying RFC 4122 UUIDv4 SWIFT UETRs, currency pairs, notional amounts, execution rates, and debtor/creditor metadata.
    • Dispatches seamlessly via desktop agent or cross-window postMessage to the BankerX clearinghouse (terminal.synapticchain.xyz).

  2. FR-01601 Intent Discovery Gating:

    • Dynamically gates the SETTLE (BANKERX) action in the order blotter until the BankerX clearinghouse is detected in the workspace.

  3. FR-01607 Session-Scoped Duplicate Dispatch Guard:

    • Tracks dispatched UETRs in session memory to strictly prevent duplicate settlement dispatches.

  4. Direct On-Chain Solana Sealevel Verification:

    • Bypasses local synthetic timers by polling the Solana Devnet validator RPC (https://api.devnet.solana.com) directly for the creditor account (BnuCTFWFLLXnSPv2Frs42royiTAYG87WP7p1zRLB4ksG).
    • Automatically detects the consensus-included spl-memo instruction containing the trade's UUIDv4 UETR and flips the row to ACSC ✓ with a direct link to the Solana Explorer.

  5. FINOS FDC3 App Directory (AppD):

    • Manifest provided at appd.json declaring both TraderX and BankerX applications with CORS * support for OpenFin, Finsemble, and Sail container integration.

File Layout​

FilePurpose
index.htmlHigh-density institutional trading blotter and FDC3 event log UI.
payment-lifecycle.mjsCanonical provider-neutral CBPR+ validation and duplicate prevention module.
appd.jsonFDC3 3.0 App Directory manifest for workspace application discovery.

Live Deployment​

The blotter is deployed on the canonical institutional mesh:

  • Web App: https://traderx.synapticchain.xyz
  • App Directory: https://traderx.synapticchain.xyz/appd.json
  • Well-Known App Directory: https://traderx.synapticchain.xyz/.well-known/appd.json