Çift-Harcama Korumalı Dağıtık Finansal Defter (Ledger)

resource "aws_elasticache_replication_group" "idempotency_cache" {
  replication_group_id = "tinycto-idempotency-cluster"
  description          = "72-hour Idempotency key tracking cache"
  node_type            = "cache.m7g.large"
  num_cache_clusters   = 3
  automatic_failover_enabled = true
}

apiVersion: apps/v1
kind: Deployment
metadata:
  name: payment-orchestrator
spec:
  replicas: 6
  template:
    spec:
      containers:
        - name: service
          image: tinycto/payment-orchestrator:v3.2
          env:
            - name: IDEMPOTENCY_TTL_HOURS
              value: "72"

CREATE TABLE payment_ledger (
  transaction_id UUID PRIMARY KEY,
  idempotency_key VARCHAR(128) NOT NULL,
  account_id UUID NOT NULL,
  amount_cents BIGINT NOT NULL,
  currency VARCHAR(3) NOT NULL,
  status VARCHAR(32) NOT NULL,
  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
  CONSTRAINT uq_account_idempotency UNIQUE (account_id, idempotency_key)
);