3neti/emi-paynamics

Paynamics Constellation adapter for EMI core

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Package info

github.com/3neti/emi-paynamics

pkg:composer/3neti/emi-paynamics

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Dependents: 0

Suggesters: 0

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v1.0.0 2026-04-01 01:27 UTC

Requires

Requires (Dev)

proprietary bef0170dbc7a42cdfce597484d79a99d3bf09d37

  • Lester Hurtado <lester.woop@hurtado.ph>

This package is auto-updated.

Last update: 2026-05-08 15:11:21 UTC

README

Concrete Paynamics Constellation adapter for lbhurtado/emi-core. Implements wallet management, fund transfers, cash-in/out, OTP verification, phantom wallets, and value-added services against the Constellation v1.42 API.

Requirements

  • PHP 8.3+
  • Laravel 12 or 13
  • lbhurtado/emi-core

Installation

composer require lbhurtado/emi-paynamics-constellation

The package auto-discovers its service provider. Publish the config:

php artisan vendor:publish --tag=constellation-config

Configuration

Add to your .env:

CONSTELLATION_BASE_URL=https://asterism.payserv.net/v1
CONSTELLATION_USERNAME=your_username
CONSTELLATION_PASSWORD=your_password
CONSTELLATION_MERCHANT_KEY=your_merchant_key
CONSTELLATION_NOTIFICATION_URL=https://your-app.com/webhooks/constellation

API Coverage

All actions use the Laravel Actions pattern (Lorisleiva\Actions) and can be called via Action::run(...).

Wallet Management

  • AddMerchantWallet::run($data) — create merchant wallet
  • AddCustomerWallet::run($data) — create customer wallet
  • AddPhantomWallet::run($data) — create phantom wallet
  • EditWallet::run($walletId, $data) — PATCH semantics, only sends provided fields
  • GetWalletDetails::run($walletIdOrExternalUid) — fetch wallet details
  • GetWalletBalance::run($walletId) — fetch balance + limit fields
  • GenerateKycKybLink::run($data) — generate KYC/KYB capture link

Fund Transfers (staged lifecycle)

  • PreTransfer::run($data) — reserve/withhold funds
  • SettleTransfer::run($data) — commit withheld transfer
  • CancelTransfer::run($data) — release withheld transfer

Cash In

  • CreateCashIn::run($data) — initiate cash-in with payment method/channel

Cash Out

  • CreateCashOut::run($data) — initiate cash-out to registered bank
  • CreateCashOutOtp::run($data) — request OTP for cash-out
  • VerifyTransaction::run($data) — verify with PIN/OTP

Bank Accounts

  • AddBankAccount::run($data) — register a bank account

Phantom Wallets & Withheld Funds

  • GetWithheldByWalletId::run($walletId)
  • GetWithheldByPhantomWalletId::run($phantomWalletId)

Value Added Services

  • AirtimeLoad::run($data) — airtime/load purchase
  • BillsPayment::run($data) — bills payment

Transaction Queries

  • GetTransactionByRequestId::run($requestId)
  • GetTransactionByWalletId::run($walletId)

Webhooks

  • HandleConstellationWebhook::run($payload) — idempotent postback handler with signature verification

Signature Handling

All signed requests use SHA512 hex-encoded signatures. The ConstellationSigner concatenates specific fields per endpoint + the merchant key. The ConstellationSignatureVerifier validates postback signatures using code + message + advise + timestamp + merchant_key.

Who Uses What

Actor Role Command Volume
Platform Operator Runs x-change (creates Settlement + Revenue wallets) constellation:setup Once
Issuer (B2B) Merchant subscribing to x-change to generate Pay Codes constellation:create-merchant Low (per client)
Customer (End User) Subscriber who wants to hold a balance constellation:create-customer Optional
Redeemer Receives Pay Code, redeems to bank account None — just bank details N/A
  • constellation:setup creates the infrastructure wallets (Settlement + Revenue) that the platform itself uses for escrow settlement and fee collection. Run once during system deployment.
  • constellation:create-merchant onboards a B2B issuer — a company that tops up their wallet and generates Pay Codes for distribution.
  • constellation:create-customer onboards an end-user subscriber who wants to hold a balance. Optional — not needed for basic Pay Code redemption.
  • Redeemers don't need a Constellation wallet. They just provide bank details (account number + bank code) and cash-out goes directly from the platform's settlement wallet to their bank via InstaPay/PesoNet.

Artisan Commands

The package ships with 48 artisan commands (hub + setup + 46 endpoint commands), auto-registered via the ServiceProvider. All commands support a --fake flag for offline testing and include structured audit logging.

Interactive Hub

php artisan constellation          # Interactive launcher — select any command from a grouped menu
php artisan constellation --fake   # Same, but all selected commands use fake HTTP responses

Onboarding & Wallet Lifecycle

php artisan constellation:probe                          # Smoke test — verify API credentials
php artisan constellation:create-merchant                # Interactive — create merchant wallet
php artisan constellation:create-customer                # Interactive — create customer wallet
php artisan constellation:create-phantom                 # Create phantom wallet
php artisan constellation:wallet-details {walletId}      # Get wallet details
php artisan constellation:wallet-balance {walletId}      # Get balance + limits
php artisan constellation:edit-wallet {walletId}         # Interactive PATCH — update wallet fields
php artisan constellation:kyc-link {accountId} {level}   # Generate KYC/KYB capture link
php artisan constellation:lock-wallet {walletId}         # Lock wallet
php artisan constellation:unlock-wallet {walletId}       # Unlock wallet
php artisan constellation:set-threshold {walletId} {amt} # Set minimum balance threshold

Cash In

php artisan constellation:payment-channels               # List available payment channels
php artisan constellation:cash-in {walletId} {amount}    # Interactive — initiate cash-in
php artisan constellation:cash-in-status {requestId}     # Check cash-in status by request ID
php artisan constellation:cash-ins {accountId}           # List cash-ins by account ID

Fund Transfer

php artisan constellation:pre-transfer {src} {dst} {amt} # Pre-transfer (withhold)
php artisan constellation:settle-transfer {requestId}    # Settle a pre-transfer
php artisan constellation:cancel-transfer {requestId}    # Cancel a pre-transfer

Cash Out

php artisan constellation:supported-banks                # List supported banks
php artisan constellation:add-bank-account {accountId}   # Interactive — register bank account
php artisan constellation:edit-bank-account {id}         # Interactive — edit bank account
php artisan constellation:remove-bank-account {id}       # Remove a bank account
php artisan constellation:bank-accounts {accountId}      # List registered bank accounts
php artisan constellation:request-otp                    # Interactive — request OTP for cash-out
php artisan constellation:resend-otp {acctId} {reqId}    # Resend cash-out OTP
php artisan constellation:verify-transaction             # Interactive — verify with PIN
php artisan constellation:cash-out {accountId} {amount}  # Interactive — cash out (registered bank)
php artisan constellation:cash-out-nr {acctId} {amount}  # Interactive — cash out (non-registered bank)
php artisan constellation:cash-out-status {requestId}    # Check cash-out status
php artisan constellation:cash-outs {accountId}          # List cash-outs by account ID

Transactions & Withheld

php artisan constellation:transaction {requestId}        # Get transaction by request ID
php artisan constellation:transactions {walletId}        # Get transactions by wallet ID
php artisan constellation:withheld {walletId}            # Withheld funds by wallet ID
php artisan constellation:withheld-by-account {acctId}   # Withheld funds by account ID
php artisan constellation:withheld-phantom {phantomId}   # Withheld funds by phantom wallet ID

Value Added Services

php artisan constellation:airtime-products               # List airtime products
php artisan constellation:airtime-load                   # Interactive — purchase airtime
php artisan constellation:airtime-status {requestId}     # Check airtime load status
php artisan constellation:airtime-history                # Interactive — airtime history by partner
php artisan constellation:billers                        # List billers
php artisan constellation:biller-details {billerCode}    # Get biller details
php artisan constellation:biller-fee                     # Interactive — get biller fee
php artisan constellation:biller-request {billerCode}    # Generate biller payment request
php artisan constellation:pay-bill                       # Interactive — pay a bill
php artisan constellation:bill-status {requestId}        # Check bill payment status
php artisan constellation:bill-history                   # Interactive — bill history by partner

The --fake Flag

Every command supports --fake to run without hitting the live Paynamics API:

php artisan constellation:probe --fake                   # Uses fixture responses, zero network calls
php artisan constellation:wallet-balance FAKE01 --fake   # Works with any wallet ID in fake mode

Fake mode uses realistic fixture responses matching the Constellation v1.42 API format. Commands display a warning when running in fake mode.

Audit Logging

All commands log structured JSON to storage/logs/constellation/constellation-YYYY-MM-DD.log:

{"command":"constellation:probe","is_fake":false,"input":{"action":"probe"},"operator":"rli","timestamp":"2026-03-24T22:56:28+00:00"}
{"command":"constellation:probe","is_fake":false,"success":true,"duration_ms":1006,"timestamp":"2026-03-24T22:56:29+00:00"}

Sensitive fields (password, pin, otp, signature) are automatically redacted in logs. The log channel is configurable via CONSTELLATION_LOG_CHANNEL in .env.

Architecture

ConstellationClient           — HTTP wrapper (Basic Auth, JSON, base URL from config)
ConstellationSigner           — SHA512 request signature generation
ConstellationSignatureVerifier — postback signature verification
ConstellationServiceProvider  — binds contracts, loads config/migrations/routes/commands

Actions/                      — 46 actions covering all Constellation v1.42 endpoints
  Wallets/                    — 11 actions (Add/Edit/Get/Lock/Unlock/Threshold/KYC/Profiles)
  Transfers/                  — 3 actions (Pre/Settle/Cancel)
  CashIn/                     — 4 actions (Create + queries)
  CashOut/                    — 8 actions (Create/OTP/Verify + queries)
  BankAccounts/               — 4 actions (Add/Edit/Remove/Get)
  PhantomWallets/             — 3 query actions
  ValueAddedServices/         — 11 actions (Airtime + Bills + queries)
  Transactions/               — 2 query actions
  Webhooks/                   — 1 idempotent handler

Console/
  Commands/                   — 47 artisan commands (hub + 46 endpoint commands)
  Concerns/
    FakesConstellationHttp    — --fake flag trait with fixture responses
    LogsConstellationActivity — Structured JSON audit logging trait

Testing

# From the monorepo host
composer test:constellation

All action tests use Http::fake() — no live API calls during testing.

License

Proprietary — Lester Hurtado