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a721d90c6b
Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com> Co-authored-by: prajjwalkumar17 <prajjwal.kumar@juspay.in> Co-authored-by: Prajjwal kumar <write2prajjwal@gmail.com>
2574 lines
97 KiB
Rust
2574 lines
97 KiB
Rust
mod transformers;
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pub mod utils;
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use std::collections::hash_map;
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use std::hash::{Hash, Hasher};
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use std::{collections::HashMap, str::FromStr, sync::Arc};
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#[cfg(feature = "v1")]
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use api_models::open_router::{self as or_types, DecidedGateway, OpenRouterDecideGatewayRequest};
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use api_models::routing as api_routing;
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use api_models::{
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admin as admin_api,
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enums::{self as api_enums, CountryAlpha2},
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routing::ConnectorSelection,
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};
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use common_utils::ext_traits::AsyncExt;
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use diesel_models::enums as storage_enums;
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use error_stack::ResultExt;
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use euclid::{
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backend::{self, inputs as dsl_inputs, EuclidBackend},
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dssa::graph::{self as euclid_graph, CgraphExt},
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enums as euclid_enums,
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frontend::{ast, dir as euclid_dir},
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};
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use external_services::grpc_client::dynamic_routing::{
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contract_routing_client::ContractBasedDynamicRouting,
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elimination_based_client::EliminationBasedRouting,
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success_rate_client::SuccessBasedDynamicRouting, DynamicRoutingError,
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};
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use hyperswitch_domain_models::address::Address;
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use hyperswitch_interfaces::events::routing_api_logs::{ApiMethod, RoutingEngine};
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use kgraph_utils::{
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mca as mca_graph,
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transformers::{IntoContext, IntoDirValue},
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types::CountryCurrencyFilter,
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};
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use masking::{PeekInterface, Secret};
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use rand::distributions::{self, Distribution};
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use rand::SeedableRng;
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use router_env::{instrument, tracing};
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use rustc_hash::FxHashMap;
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use storage_impl::redis::cache::{CacheKey, CGRAPH_CACHE, ROUTING_CACHE};
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use utils::perform_decision_euclid_routing;
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#[cfg(feature = "v2")]
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use crate::core::admin;
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#[cfg(feature = "payouts")]
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use crate::core::payouts;
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#[cfg(feature = "v1")]
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use crate::core::routing::transformers::OpenRouterDecideGatewayRequestExt;
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#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
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use crate::routes::app::SessionStateInfo;
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use crate::{
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core::{
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errors, errors as oss_errors, payments::routing::utils::DecisionEngineApiHandler, routing,
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},
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logger, services,
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types::{
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api::{self, routing as routing_types},
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domain, storage as oss_storage,
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transformers::{ForeignFrom, ForeignInto, ForeignTryFrom},
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},
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utils::{OptionExt, ValueExt},
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SessionState,
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};
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pub enum CachedAlgorithm {
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Single(Box<routing_types::RoutableConnectorChoice>),
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Priority(Vec<routing_types::RoutableConnectorChoice>),
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VolumeSplit(Vec<routing_types::ConnectorVolumeSplit>),
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Advanced(backend::VirInterpreterBackend<ConnectorSelection>),
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}
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#[cfg(feature = "v1")]
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pub struct SessionFlowRoutingInput<'a> {
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pub state: &'a SessionState,
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pub country: Option<CountryAlpha2>,
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pub key_store: &'a domain::MerchantKeyStore,
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pub merchant_account: &'a domain::MerchantAccount,
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pub payment_attempt: &'a oss_storage::PaymentAttempt,
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pub payment_intent: &'a oss_storage::PaymentIntent,
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pub chosen: api::SessionConnectorDatas,
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}
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#[cfg(feature = "v2")]
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pub struct SessionFlowRoutingInput<'a> {
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pub country: Option<CountryAlpha2>,
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pub payment_intent: &'a oss_storage::PaymentIntent,
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pub chosen: api::SessionConnectorDatas,
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}
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#[allow(dead_code)]
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#[cfg(feature = "v1")]
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pub struct SessionRoutingPmTypeInput<'a> {
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state: &'a SessionState,
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key_store: &'a domain::MerchantKeyStore,
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attempt_id: &'a str,
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routing_algorithm: &'a MerchantAccountRoutingAlgorithm,
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backend_input: dsl_inputs::BackendInput,
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allowed_connectors: FxHashMap<String, api::GetToken>,
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profile_id: &'a common_utils::id_type::ProfileId,
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}
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#[cfg(feature = "v2")]
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pub struct SessionRoutingPmTypeInput<'a> {
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routing_algorithm: &'a MerchantAccountRoutingAlgorithm,
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backend_input: dsl_inputs::BackendInput,
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allowed_connectors: FxHashMap<String, api::GetToken>,
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profile_id: &'a common_utils::id_type::ProfileId,
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}
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type RoutingResult<O> = oss_errors::CustomResult<O, errors::RoutingError>;
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#[cfg(feature = "v1")]
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#[derive(Debug, serde::Serialize, serde::Deserialize)]
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#[serde(untagged)]
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enum MerchantAccountRoutingAlgorithm {
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V1(routing_types::RoutingAlgorithmRef),
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}
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#[cfg(feature = "v1")]
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impl Default for MerchantAccountRoutingAlgorithm {
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fn default() -> Self {
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Self::V1(routing_types::RoutingAlgorithmRef::default())
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}
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}
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#[cfg(feature = "v2")]
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#[derive(Debug, serde::Serialize, serde::Deserialize)]
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#[serde(untagged)]
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enum MerchantAccountRoutingAlgorithm {
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V1(Option<common_utils::id_type::RoutingId>),
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}
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#[cfg(feature = "payouts")]
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pub fn make_dsl_input_for_payouts(
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payout_data: &payouts::PayoutData,
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) -> RoutingResult<dsl_inputs::BackendInput> {
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let mandate = dsl_inputs::MandateData {
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mandate_acceptance_type: None,
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mandate_type: None,
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payment_type: None,
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};
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let metadata = payout_data
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.payouts
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.metadata
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.clone()
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.map(|val| val.parse_value("routing_parameters"))
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.transpose()
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.change_context(errors::RoutingError::MetadataParsingError)
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.attach_printable("Unable to parse routing_parameters from metadata of payouts")
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.unwrap_or(None);
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let payment = dsl_inputs::PaymentInput {
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amount: payout_data.payouts.amount,
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card_bin: None,
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currency: payout_data.payouts.destination_currency,
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authentication_type: None,
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capture_method: None,
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business_country: payout_data
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.payout_attempt
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.business_country
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.map(api_enums::Country::from_alpha2),
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billing_country: payout_data
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.billing_address
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.as_ref()
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.and_then(|bic| bic.country)
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.map(api_enums::Country::from_alpha2),
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business_label: payout_data.payout_attempt.business_label.clone(),
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setup_future_usage: None,
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};
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let payment_method = dsl_inputs::PaymentMethodInput {
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payment_method: payout_data
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.payouts
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.payout_type
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.map(api_enums::PaymentMethod::foreign_from),
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payment_method_type: payout_data
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.payout_method_data
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.as_ref()
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.map(api_enums::PaymentMethodType::foreign_from),
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card_network: None,
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};
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Ok(dsl_inputs::BackendInput {
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mandate,
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metadata,
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payment,
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payment_method,
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acquirer_data: None,
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customer_device_data: None,
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issuer_data: None,
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})
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}
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#[cfg(feature = "v2")]
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pub fn make_dsl_input(
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payments_dsl_input: &routing::PaymentsDslInput<'_>,
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) -> RoutingResult<dsl_inputs::BackendInput> {
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let mandate_data = dsl_inputs::MandateData {
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mandate_acceptance_type: payments_dsl_input.setup_mandate.as_ref().and_then(
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|mandate_data| {
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mandate_data
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.customer_acceptance
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.as_ref()
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.map(|customer_accept| match customer_accept.acceptance_type {
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hyperswitch_domain_models::mandates::AcceptanceType::Online => {
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euclid_enums::MandateAcceptanceType::Online
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}
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hyperswitch_domain_models::mandates::AcceptanceType::Offline => {
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euclid_enums::MandateAcceptanceType::Offline
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}
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})
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},
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),
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mandate_type: payments_dsl_input
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.setup_mandate
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.as_ref()
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.and_then(|mandate_data| {
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mandate_data
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.mandate_type
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.clone()
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.map(|mandate_type| match mandate_type {
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hyperswitch_domain_models::mandates::MandateDataType::SingleUse(_) => {
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euclid_enums::MandateType::SingleUse
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}
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hyperswitch_domain_models::mandates::MandateDataType::MultiUse(_) => {
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euclid_enums::MandateType::MultiUse
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}
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})
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}),
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payment_type: Some(
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if payments_dsl_input
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.recurring_details
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.as_ref()
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.is_some_and(|data| {
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matches!(
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data,
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api_models::mandates::RecurringDetails::ProcessorPaymentToken(_)
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)
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})
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{
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euclid_enums::PaymentType::PptMandate
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} else {
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payments_dsl_input.setup_mandate.map_or_else(
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|| euclid_enums::PaymentType::NonMandate,
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|_| euclid_enums::PaymentType::SetupMandate,
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)
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},
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),
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};
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let payment_method_input = dsl_inputs::PaymentMethodInput {
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payment_method: Some(payments_dsl_input.payment_attempt.payment_method_type),
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payment_method_type: Some(payments_dsl_input.payment_attempt.payment_method_subtype),
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card_network: payments_dsl_input
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.payment_method_data
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.as_ref()
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.and_then(|pm_data| match pm_data {
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domain::PaymentMethodData::Card(card) => card.card_network.clone(),
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_ => None,
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}),
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};
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let payment_input = dsl_inputs::PaymentInput {
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amount: payments_dsl_input
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.payment_attempt
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.amount_details
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.get_net_amount(),
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card_bin: payments_dsl_input.payment_method_data.as_ref().and_then(
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|pm_data| match pm_data {
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domain::PaymentMethodData::Card(card) => Some(card.card_number.get_card_isin()),
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_ => None,
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},
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),
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currency: payments_dsl_input.currency,
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authentication_type: Some(payments_dsl_input.payment_attempt.authentication_type),
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capture_method: Some(payments_dsl_input.payment_intent.capture_method),
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business_country: None,
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billing_country: payments_dsl_input
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.address
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.get_payment_method_billing()
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.and_then(|billing_address| billing_address.address.as_ref())
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.and_then(|address_details| address_details.country)
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.map(api_enums::Country::from_alpha2),
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business_label: None,
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setup_future_usage: Some(payments_dsl_input.payment_intent.setup_future_usage),
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};
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let metadata = payments_dsl_input
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.payment_intent
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.metadata
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.clone()
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.map(|value| value.parse_value("routing_parameters"))
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.transpose()
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.change_context(errors::RoutingError::MetadataParsingError)
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.attach_printable("Unable to parse routing_parameters from metadata of payment_intent")
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.unwrap_or(None);
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Ok(dsl_inputs::BackendInput {
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metadata,
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payment: payment_input,
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payment_method: payment_method_input,
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mandate: mandate_data,
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acquirer_data: None,
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customer_device_data: None,
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issuer_data: None,
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})
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}
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#[cfg(feature = "v1")]
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pub fn make_dsl_input(
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payments_dsl_input: &routing::PaymentsDslInput<'_>,
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) -> RoutingResult<dsl_inputs::BackendInput> {
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let mandate_data = dsl_inputs::MandateData {
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mandate_acceptance_type: payments_dsl_input.setup_mandate.as_ref().and_then(
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|mandate_data| {
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mandate_data
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.customer_acceptance
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.as_ref()
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.map(|cat| match cat.acceptance_type {
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hyperswitch_domain_models::mandates::AcceptanceType::Online => {
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euclid_enums::MandateAcceptanceType::Online
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}
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hyperswitch_domain_models::mandates::AcceptanceType::Offline => {
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euclid_enums::MandateAcceptanceType::Offline
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}
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})
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},
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),
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mandate_type: payments_dsl_input
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.setup_mandate
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.as_ref()
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.and_then(|mandate_data| {
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mandate_data.mandate_type.clone().map(|mt| match mt {
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hyperswitch_domain_models::mandates::MandateDataType::SingleUse(_) => {
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euclid_enums::MandateType::SingleUse
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}
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hyperswitch_domain_models::mandates::MandateDataType::MultiUse(_) => {
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euclid_enums::MandateType::MultiUse
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}
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})
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}),
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payment_type: Some(
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if payments_dsl_input
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.recurring_details
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.as_ref()
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.is_some_and(|data| {
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matches!(
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data,
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api_models::mandates::RecurringDetails::ProcessorPaymentToken(_)
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)
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})
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{
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euclid_enums::PaymentType::PptMandate
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} else {
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payments_dsl_input.setup_mandate.map_or_else(
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|| euclid_enums::PaymentType::NonMandate,
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|_| euclid_enums::PaymentType::SetupMandate,
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)
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},
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),
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};
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let payment_method_input = dsl_inputs::PaymentMethodInput {
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payment_method: payments_dsl_input.payment_attempt.payment_method,
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payment_method_type: payments_dsl_input.payment_attempt.payment_method_type,
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card_network: payments_dsl_input
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.payment_method_data
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.as_ref()
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.and_then(|pm_data| match pm_data {
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domain::PaymentMethodData::Card(card) => card.card_network.clone(),
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|
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_ => None,
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}),
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};
|
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|
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let payment_input = dsl_inputs::PaymentInput {
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amount: payments_dsl_input.payment_attempt.get_total_amount(),
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card_bin: payments_dsl_input.payment_method_data.as_ref().and_then(
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|pm_data| match pm_data {
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domain::PaymentMethodData::Card(card) => {
|
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Some(card.card_number.peek().chars().take(6).collect())
|
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}
|
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_ => None,
|
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},
|
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),
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currency: payments_dsl_input.currency,
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authentication_type: payments_dsl_input.payment_attempt.authentication_type,
|
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capture_method: payments_dsl_input
|
|
.payment_attempt
|
|
.capture_method
|
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.and_then(|cm| cm.foreign_into()),
|
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business_country: payments_dsl_input
|
|
.payment_intent
|
|
.business_country
|
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.map(api_enums::Country::from_alpha2),
|
|
billing_country: payments_dsl_input
|
|
.address
|
|
.get_payment_method_billing()
|
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.and_then(|bic| bic.address.as_ref())
|
|
.and_then(|add| add.country)
|
|
.map(api_enums::Country::from_alpha2),
|
|
business_label: payments_dsl_input.payment_intent.business_label.clone(),
|
|
setup_future_usage: payments_dsl_input.payment_intent.setup_future_usage,
|
|
};
|
|
|
|
let metadata = payments_dsl_input
|
|
.payment_intent
|
|
.parse_and_get_metadata("routing_parameters")
|
|
.change_context(errors::RoutingError::MetadataParsingError)
|
|
.attach_printable("Unable to parse routing_parameters from metadata of payment_intent")
|
|
.unwrap_or(None);
|
|
|
|
Ok(dsl_inputs::BackendInput {
|
|
metadata,
|
|
payment: payment_input,
|
|
payment_method: payment_method_input,
|
|
mandate: mandate_data,
|
|
acquirer_data: None,
|
|
customer_device_data: None,
|
|
issuer_data: None,
|
|
})
|
|
}
|
|
|
|
pub async fn perform_static_routing_v1(
|
|
state: &SessionState,
|
|
merchant_id: &common_utils::id_type::MerchantId,
|
|
algorithm_id: Option<&common_utils::id_type::RoutingId>,
|
|
business_profile: &domain::Profile,
|
|
transaction_data: &routing::TransactionData<'_>,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
let algorithm_id = if let Some(id) = algorithm_id {
|
|
id
|
|
} else {
|
|
#[cfg(feature = "v1")]
|
|
let fallback_config = routing::helpers::get_merchant_default_config(
|
|
&*state.clone().store,
|
|
business_profile.get_id().get_string_repr(),
|
|
&api_enums::TransactionType::from(transaction_data),
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?;
|
|
#[cfg(feature = "v2")]
|
|
let fallback_config = admin::ProfileWrapper::new(business_profile.clone())
|
|
.get_default_fallback_list_of_connector_under_profile()
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?;
|
|
|
|
return Ok(fallback_config);
|
|
};
|
|
let cached_algorithm = ensure_algorithm_cached_v1(
|
|
state,
|
|
merchant_id,
|
|
algorithm_id,
|
|
business_profile.get_id(),
|
|
&api_enums::TransactionType::from(transaction_data),
|
|
)
|
|
.await?;
|
|
|
|
let backend_input = match transaction_data {
|
|
routing::TransactionData::Payment(payment_data) => make_dsl_input(payment_data)?,
|
|
#[cfg(feature = "payouts")]
|
|
routing::TransactionData::Payout(payout_data) => make_dsl_input_for_payouts(payout_data)?,
|
|
};
|
|
|
|
let payment_id = match transaction_data {
|
|
routing::TransactionData::Payment(payment_data) => payment_data
|
|
.payment_attempt
|
|
.payment_id
|
|
.clone()
|
|
.get_string_repr()
|
|
.to_string(),
|
|
#[cfg(feature = "payouts")]
|
|
routing::TransactionData::Payout(payout_data) => {
|
|
payout_data.payout_attempt.payout_id.clone()
|
|
}
|
|
};
|
|
|
|
let routing_events_wrapper = utils::RoutingEventsWrapper::new(
|
|
state.tenant.tenant_id.clone(),
|
|
state.request_id,
|
|
payment_id,
|
|
business_profile.get_id().to_owned(),
|
|
business_profile.merchant_id.to_owned(),
|
|
"DecisionEngine: Euclid Static Routing".to_string(),
|
|
None,
|
|
true,
|
|
false,
|
|
);
|
|
|
|
let de_euclid_connectors = perform_decision_euclid_routing(
|
|
state,
|
|
backend_input.clone(),
|
|
business_profile.get_id().get_string_repr().to_string(),
|
|
routing_events_wrapper
|
|
)
|
|
.await
|
|
.map_err(|e|
|
|
// errors are ignored as this is just for diff checking as of now (optional flow).
|
|
logger::error!(decision_engine_euclid_evaluate_error=?e, "decision_engine_euclid: error in evaluation of rule")
|
|
).unwrap_or_default();
|
|
|
|
let routable_connectors = match cached_algorithm.as_ref() {
|
|
CachedAlgorithm::Single(conn) => vec![(**conn).clone()],
|
|
CachedAlgorithm::Priority(plist) => plist.clone(),
|
|
CachedAlgorithm::VolumeSplit(splits) => perform_volume_split(splits.to_vec())
|
|
.change_context(errors::RoutingError::ConnectorSelectionFailed)?,
|
|
CachedAlgorithm::Advanced(interpreter) => {
|
|
execute_dsl_and_get_connector_v1(backend_input, interpreter)?
|
|
}
|
|
};
|
|
|
|
utils::compare_and_log_result(
|
|
de_euclid_connectors.clone(),
|
|
routable_connectors.clone(),
|
|
"evaluate_routing".to_string(),
|
|
);
|
|
|
|
Ok(utils::select_routing_result(
|
|
state,
|
|
business_profile,
|
|
routable_connectors,
|
|
de_euclid_connectors,
|
|
)
|
|
.await)
|
|
}
|
|
|
|
async fn ensure_algorithm_cached_v1(
|
|
state: &SessionState,
|
|
merchant_id: &common_utils::id_type::MerchantId,
|
|
algorithm_id: &common_utils::id_type::RoutingId,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
transaction_type: &api_enums::TransactionType,
|
|
) -> RoutingResult<Arc<CachedAlgorithm>> {
|
|
let key = {
|
|
match transaction_type {
|
|
common_enums::TransactionType::Payment => {
|
|
format!(
|
|
"routing_config_{}_{}",
|
|
merchant_id.get_string_repr(),
|
|
profile_id.get_string_repr(),
|
|
)
|
|
}
|
|
#[cfg(feature = "payouts")]
|
|
common_enums::TransactionType::Payout => {
|
|
format!(
|
|
"routing_config_po_{}_{}",
|
|
merchant_id.get_string_repr(),
|
|
profile_id.get_string_repr()
|
|
)
|
|
}
|
|
common_enums::TransactionType::ThreeDsAuthentication => {
|
|
Err(errors::RoutingError::InvalidTransactionType)?
|
|
}
|
|
}
|
|
};
|
|
|
|
let cached_algorithm = ROUTING_CACHE
|
|
.get_val::<Arc<CachedAlgorithm>>(CacheKey {
|
|
key: key.clone(),
|
|
prefix: state.tenant.redis_key_prefix.clone(),
|
|
})
|
|
.await;
|
|
|
|
let algorithm = if let Some(algo) = cached_algorithm {
|
|
algo
|
|
} else {
|
|
refresh_routing_cache_v1(state, key.clone(), algorithm_id, profile_id).await?
|
|
};
|
|
|
|
Ok(algorithm)
|
|
}
|
|
|
|
pub fn perform_straight_through_routing(
|
|
algorithm: &routing_types::StraightThroughAlgorithm,
|
|
creds_identifier: Option<&str>,
|
|
) -> RoutingResult<(Vec<routing_types::RoutableConnectorChoice>, bool)> {
|
|
Ok(match algorithm {
|
|
routing_types::StraightThroughAlgorithm::Single(conn) => {
|
|
(vec![(**conn).clone()], creds_identifier.is_none())
|
|
}
|
|
|
|
routing_types::StraightThroughAlgorithm::Priority(conns) => (conns.clone(), true),
|
|
|
|
routing_types::StraightThroughAlgorithm::VolumeSplit(splits) => (
|
|
perform_volume_split(splits.to_vec())
|
|
.change_context(errors::RoutingError::ConnectorSelectionFailed)
|
|
.attach_printable(
|
|
"Volume Split connector selection error in straight through routing",
|
|
)?,
|
|
true,
|
|
),
|
|
})
|
|
}
|
|
|
|
pub fn perform_routing_for_single_straight_through_algorithm(
|
|
algorithm: &routing_types::StraightThroughAlgorithm,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
Ok(match algorithm {
|
|
routing_types::StraightThroughAlgorithm::Single(connector) => vec![(**connector).clone()],
|
|
|
|
routing_types::StraightThroughAlgorithm::Priority(_)
|
|
| routing_types::StraightThroughAlgorithm::VolumeSplit(_) => {
|
|
Err(errors::RoutingError::DslIncorrectSelectionAlgorithm)
|
|
.attach_printable("Unsupported algorithm received as a result of static routing")?
|
|
}
|
|
})
|
|
}
|
|
|
|
fn execute_dsl_and_get_connector_v1(
|
|
backend_input: dsl_inputs::BackendInput,
|
|
interpreter: &backend::VirInterpreterBackend<ConnectorSelection>,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
let routing_output: routing_types::StaticRoutingAlgorithm = interpreter
|
|
.execute(backend_input)
|
|
.map(|out| out.connector_selection.foreign_into())
|
|
.change_context(errors::RoutingError::DslExecutionError)?;
|
|
|
|
Ok(match routing_output {
|
|
routing_types::StaticRoutingAlgorithm::Priority(plist) => plist,
|
|
|
|
routing_types::StaticRoutingAlgorithm::VolumeSplit(splits) => perform_volume_split(splits)
|
|
.change_context(errors::RoutingError::DslFinalConnectorSelectionFailed)?,
|
|
|
|
_ => Err(errors::RoutingError::DslIncorrectSelectionAlgorithm)
|
|
.attach_printable("Unsupported algorithm received as a result of static routing")?,
|
|
})
|
|
}
|
|
|
|
pub async fn refresh_routing_cache_v1(
|
|
state: &SessionState,
|
|
key: String,
|
|
algorithm_id: &common_utils::id_type::RoutingId,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
) -> RoutingResult<Arc<CachedAlgorithm>> {
|
|
let algorithm = {
|
|
let algorithm = state
|
|
.store
|
|
.find_routing_algorithm_by_profile_id_algorithm_id(profile_id, algorithm_id)
|
|
.await
|
|
.change_context(errors::RoutingError::DslMissingInDb)?;
|
|
let algorithm: routing_types::StaticRoutingAlgorithm = algorithm
|
|
.algorithm_data
|
|
.parse_value("RoutingAlgorithm")
|
|
.change_context(errors::RoutingError::DslParsingError)?;
|
|
algorithm
|
|
};
|
|
|
|
let cached_algorithm = match algorithm {
|
|
routing_types::StaticRoutingAlgorithm::Single(conn) => CachedAlgorithm::Single(conn),
|
|
routing_types::StaticRoutingAlgorithm::Priority(plist) => CachedAlgorithm::Priority(plist),
|
|
routing_types::StaticRoutingAlgorithm::VolumeSplit(splits) => {
|
|
CachedAlgorithm::VolumeSplit(splits)
|
|
}
|
|
routing_types::StaticRoutingAlgorithm::Advanced(program) => {
|
|
let interpreter = backend::VirInterpreterBackend::with_program(program)
|
|
.change_context(errors::RoutingError::DslBackendInitError)
|
|
.attach_printable("Error initializing DSL interpreter backend")?;
|
|
|
|
CachedAlgorithm::Advanced(interpreter)
|
|
}
|
|
api_models::routing::StaticRoutingAlgorithm::ThreeDsDecisionRule(_program) => {
|
|
Err(errors::RoutingError::InvalidRoutingAlgorithmStructure)
|
|
.attach_printable("Unsupported algorithm received")?
|
|
}
|
|
};
|
|
|
|
let arc_cached_algorithm = Arc::new(cached_algorithm);
|
|
|
|
ROUTING_CACHE
|
|
.push(
|
|
CacheKey {
|
|
key,
|
|
prefix: state.tenant.redis_key_prefix.clone(),
|
|
},
|
|
arc_cached_algorithm.clone(),
|
|
)
|
|
.await;
|
|
|
|
Ok(arc_cached_algorithm)
|
|
}
|
|
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
pub fn perform_dynamic_routing_volume_split(
|
|
splits: Vec<api_models::routing::RoutingVolumeSplit>,
|
|
rng_seed: Option<&str>,
|
|
) -> RoutingResult<api_models::routing::RoutingVolumeSplit> {
|
|
let weights: Vec<u8> = splits.iter().map(|sp| sp.split).collect();
|
|
let weighted_index = distributions::WeightedIndex::new(weights)
|
|
.change_context(errors::RoutingError::VolumeSplitFailed)
|
|
.attach_printable("Error creating weighted distribution for volume split")?;
|
|
|
|
let idx = if let Some(seed) = rng_seed {
|
|
let mut hasher = hash_map::DefaultHasher::new();
|
|
seed.hash(&mut hasher);
|
|
let hash = hasher.finish();
|
|
|
|
let mut rng = rand_chacha::ChaCha8Rng::seed_from_u64(hash);
|
|
weighted_index.sample(&mut rng)
|
|
} else {
|
|
let mut rng = rand::thread_rng();
|
|
weighted_index.sample(&mut rng)
|
|
};
|
|
|
|
let routing_choice = *splits
|
|
.get(idx)
|
|
.ok_or(errors::RoutingError::VolumeSplitFailed)
|
|
.attach_printable("Volume split index lookup failed")?;
|
|
|
|
Ok(routing_choice)
|
|
}
|
|
|
|
pub fn perform_volume_split(
|
|
mut splits: Vec<routing_types::ConnectorVolumeSplit>,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
let weights: Vec<u8> = splits.iter().map(|sp| sp.split).collect();
|
|
let weighted_index = distributions::WeightedIndex::new(weights)
|
|
.change_context(errors::RoutingError::VolumeSplitFailed)
|
|
.attach_printable("Error creating weighted distribution for volume split")?;
|
|
|
|
let mut rng = rand::thread_rng();
|
|
let idx = weighted_index.sample(&mut rng);
|
|
|
|
splits
|
|
.get(idx)
|
|
.ok_or(errors::RoutingError::VolumeSplitFailed)
|
|
.attach_printable("Volume split index lookup failed")?;
|
|
|
|
// Panic Safety: We have performed a `get(idx)` operation just above which will
|
|
// ensure that the index is always present, else throw an error.
|
|
let removed = splits.remove(idx);
|
|
splits.insert(0, removed);
|
|
|
|
Ok(splits.into_iter().map(|sp| sp.connector).collect())
|
|
}
|
|
|
|
// #[cfg(feature = "v1")]
|
|
pub async fn get_merchant_cgraph(
|
|
state: &SessionState,
|
|
key_store: &domain::MerchantKeyStore,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
transaction_type: &api_enums::TransactionType,
|
|
) -> RoutingResult<Arc<hyperswitch_constraint_graph::ConstraintGraph<euclid_dir::DirValue>>> {
|
|
let merchant_id = &key_store.merchant_id;
|
|
|
|
let key = {
|
|
match transaction_type {
|
|
api_enums::TransactionType::Payment => {
|
|
format!(
|
|
"cgraph_{}_{}",
|
|
merchant_id.get_string_repr(),
|
|
profile_id.get_string_repr()
|
|
)
|
|
}
|
|
#[cfg(feature = "payouts")]
|
|
api_enums::TransactionType::Payout => {
|
|
format!(
|
|
"cgraph_po_{}_{}",
|
|
merchant_id.get_string_repr(),
|
|
profile_id.get_string_repr()
|
|
)
|
|
}
|
|
api_enums::TransactionType::ThreeDsAuthentication => {
|
|
Err(errors::RoutingError::InvalidTransactionType)?
|
|
}
|
|
}
|
|
};
|
|
|
|
let cached_cgraph = CGRAPH_CACHE
|
|
.get_val::<Arc<hyperswitch_constraint_graph::ConstraintGraph<euclid_dir::DirValue>>>(
|
|
CacheKey {
|
|
key: key.clone(),
|
|
prefix: state.tenant.redis_key_prefix.clone(),
|
|
},
|
|
)
|
|
.await;
|
|
|
|
let cgraph = if let Some(graph) = cached_cgraph {
|
|
graph
|
|
} else {
|
|
refresh_cgraph_cache(state, key_store, key.clone(), profile_id, transaction_type).await?
|
|
};
|
|
|
|
Ok(cgraph)
|
|
}
|
|
|
|
// #[cfg(feature = "v1")]
|
|
pub async fn refresh_cgraph_cache(
|
|
state: &SessionState,
|
|
key_store: &domain::MerchantKeyStore,
|
|
key: String,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
transaction_type: &api_enums::TransactionType,
|
|
) -> RoutingResult<Arc<hyperswitch_constraint_graph::ConstraintGraph<euclid_dir::DirValue>>> {
|
|
let mut merchant_connector_accounts = state
|
|
.store
|
|
.find_merchant_connector_account_by_merchant_id_and_disabled_list(
|
|
&state.into(),
|
|
&key_store.merchant_id,
|
|
false,
|
|
key_store,
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::KgraphCacheRefreshFailed)?;
|
|
|
|
match transaction_type {
|
|
api_enums::TransactionType::Payment => {
|
|
merchant_connector_accounts.retain(|mca| {
|
|
mca.connector_type != storage_enums::ConnectorType::PaymentVas
|
|
&& mca.connector_type != storage_enums::ConnectorType::PaymentMethodAuth
|
|
&& mca.connector_type != storage_enums::ConnectorType::PayoutProcessor
|
|
&& mca.connector_type != storage_enums::ConnectorType::AuthenticationProcessor
|
|
});
|
|
}
|
|
#[cfg(feature = "payouts")]
|
|
api_enums::TransactionType::Payout => {
|
|
merchant_connector_accounts
|
|
.retain(|mca| mca.connector_type == storage_enums::ConnectorType::PayoutProcessor);
|
|
}
|
|
api_enums::TransactionType::ThreeDsAuthentication => {
|
|
Err(errors::RoutingError::InvalidTransactionType)?
|
|
}
|
|
};
|
|
|
|
let connector_type = match transaction_type {
|
|
api_enums::TransactionType::Payment => common_enums::ConnectorType::PaymentProcessor,
|
|
#[cfg(feature = "payouts")]
|
|
api_enums::TransactionType::Payout => common_enums::ConnectorType::PayoutProcessor,
|
|
api_enums::TransactionType::ThreeDsAuthentication => {
|
|
Err(errors::RoutingError::InvalidTransactionType)?
|
|
}
|
|
};
|
|
|
|
let merchant_connector_accounts = merchant_connector_accounts
|
|
.filter_based_on_profile_and_connector_type(profile_id, connector_type);
|
|
|
|
let api_mcas = merchant_connector_accounts
|
|
.into_iter()
|
|
.map(admin_api::MerchantConnectorResponse::foreign_try_from)
|
|
.collect::<Result<Vec<_>, _>>()
|
|
.change_context(errors::RoutingError::KgraphCacheRefreshFailed)?;
|
|
let connector_configs = state
|
|
.conf
|
|
.pm_filters
|
|
.0
|
|
.clone()
|
|
.into_iter()
|
|
.filter(|(key, _)| key != "default")
|
|
.map(|(key, value)| {
|
|
let key = api_enums::RoutableConnectors::from_str(&key)
|
|
.map_err(|_| errors::RoutingError::InvalidConnectorName(key))?;
|
|
|
|
Ok((key, value.foreign_into()))
|
|
})
|
|
.collect::<Result<HashMap<_, _>, errors::RoutingError>>()?;
|
|
let default_configs = state
|
|
.conf
|
|
.pm_filters
|
|
.0
|
|
.get("default")
|
|
.cloned()
|
|
.map(ForeignFrom::foreign_from);
|
|
let config_pm_filters = CountryCurrencyFilter {
|
|
connector_configs,
|
|
default_configs,
|
|
};
|
|
let cgraph = Arc::new(
|
|
mca_graph::make_mca_graph(api_mcas, &config_pm_filters)
|
|
.change_context(errors::RoutingError::KgraphCacheRefreshFailed)
|
|
.attach_printable("when construction cgraph")?,
|
|
);
|
|
|
|
CGRAPH_CACHE
|
|
.push(
|
|
CacheKey {
|
|
key,
|
|
prefix: state.tenant.redis_key_prefix.clone(),
|
|
},
|
|
Arc::clone(&cgraph),
|
|
)
|
|
.await;
|
|
|
|
Ok(cgraph)
|
|
}
|
|
|
|
#[allow(clippy::too_many_arguments)]
|
|
pub async fn perform_cgraph_filtering(
|
|
state: &SessionState,
|
|
key_store: &domain::MerchantKeyStore,
|
|
chosen: Vec<routing_types::RoutableConnectorChoice>,
|
|
backend_input: dsl_inputs::BackendInput,
|
|
eligible_connectors: Option<&Vec<api_enums::RoutableConnectors>>,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
transaction_type: &api_enums::TransactionType,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
let context = euclid_graph::AnalysisContext::from_dir_values(
|
|
backend_input
|
|
.into_context()
|
|
.change_context(errors::RoutingError::KgraphAnalysisError)?,
|
|
);
|
|
let cached_cgraph = get_merchant_cgraph(state, key_store, profile_id, transaction_type).await?;
|
|
|
|
let mut final_selection = Vec::<routing_types::RoutableConnectorChoice>::new();
|
|
for choice in chosen {
|
|
let routable_connector = choice.connector;
|
|
let euclid_choice: ast::ConnectorChoice = choice.clone().foreign_into();
|
|
let dir_val = euclid_choice
|
|
.into_dir_value()
|
|
.change_context(errors::RoutingError::KgraphAnalysisError)?;
|
|
let cgraph_eligible = cached_cgraph
|
|
.check_value_validity(
|
|
dir_val,
|
|
&context,
|
|
&mut hyperswitch_constraint_graph::Memoization::new(),
|
|
&mut hyperswitch_constraint_graph::CycleCheck::new(),
|
|
None,
|
|
)
|
|
.change_context(errors::RoutingError::KgraphAnalysisError)?;
|
|
|
|
let filter_eligible =
|
|
eligible_connectors.map_or(true, |list| list.contains(&routable_connector));
|
|
|
|
if cgraph_eligible && filter_eligible {
|
|
final_selection.push(choice);
|
|
}
|
|
}
|
|
|
|
Ok(final_selection)
|
|
}
|
|
|
|
pub async fn perform_eligibility_analysis(
|
|
state: &SessionState,
|
|
key_store: &domain::MerchantKeyStore,
|
|
chosen: Vec<routing_types::RoutableConnectorChoice>,
|
|
transaction_data: &routing::TransactionData<'_>,
|
|
eligible_connectors: Option<&Vec<api_enums::RoutableConnectors>>,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
let backend_input = match transaction_data {
|
|
routing::TransactionData::Payment(payment_data) => make_dsl_input(payment_data)?,
|
|
#[cfg(feature = "payouts")]
|
|
routing::TransactionData::Payout(payout_data) => make_dsl_input_for_payouts(payout_data)?,
|
|
};
|
|
|
|
perform_cgraph_filtering(
|
|
state,
|
|
key_store,
|
|
chosen,
|
|
backend_input,
|
|
eligible_connectors,
|
|
profile_id,
|
|
&api_enums::TransactionType::from(transaction_data),
|
|
)
|
|
.await
|
|
}
|
|
|
|
pub async fn perform_fallback_routing(
|
|
state: &SessionState,
|
|
key_store: &domain::MerchantKeyStore,
|
|
transaction_data: &routing::TransactionData<'_>,
|
|
eligible_connectors: Option<&Vec<api_enums::RoutableConnectors>>,
|
|
business_profile: &domain::Profile,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
#[cfg(feature = "v1")]
|
|
let fallback_config = routing::helpers::get_merchant_default_config(
|
|
&*state.store,
|
|
match transaction_data {
|
|
routing::TransactionData::Payment(payment_data) => payment_data
|
|
.payment_intent
|
|
.profile_id
|
|
.as_ref()
|
|
.get_required_value("profile_id")
|
|
.change_context(errors::RoutingError::ProfileIdMissing)?
|
|
.get_string_repr(),
|
|
#[cfg(feature = "payouts")]
|
|
routing::TransactionData::Payout(payout_data) => {
|
|
payout_data.payout_attempt.profile_id.get_string_repr()
|
|
}
|
|
},
|
|
&api_enums::TransactionType::from(transaction_data),
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?;
|
|
#[cfg(feature = "v2")]
|
|
let fallback_config = admin::ProfileWrapper::new(business_profile.clone())
|
|
.get_default_fallback_list_of_connector_under_profile()
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?;
|
|
let backend_input = match transaction_data {
|
|
routing::TransactionData::Payment(payment_data) => make_dsl_input(payment_data)?,
|
|
#[cfg(feature = "payouts")]
|
|
routing::TransactionData::Payout(payout_data) => make_dsl_input_for_payouts(payout_data)?,
|
|
};
|
|
|
|
perform_cgraph_filtering(
|
|
state,
|
|
key_store,
|
|
fallback_config,
|
|
backend_input,
|
|
eligible_connectors,
|
|
business_profile.get_id(),
|
|
&api_enums::TransactionType::from(transaction_data),
|
|
)
|
|
.await
|
|
}
|
|
|
|
pub async fn perform_eligibility_analysis_with_fallback(
|
|
state: &SessionState,
|
|
key_store: &domain::MerchantKeyStore,
|
|
chosen: Vec<routing_types::RoutableConnectorChoice>,
|
|
transaction_data: &routing::TransactionData<'_>,
|
|
eligible_connectors: Option<Vec<api_enums::RoutableConnectors>>,
|
|
business_profile: &domain::Profile,
|
|
) -> RoutingResult<Vec<routing_types::RoutableConnectorChoice>> {
|
|
let mut final_selection = perform_eligibility_analysis(
|
|
state,
|
|
key_store,
|
|
chosen,
|
|
transaction_data,
|
|
eligible_connectors.as_ref(),
|
|
business_profile.get_id(),
|
|
)
|
|
.await?;
|
|
|
|
let fallback_selection = perform_fallback_routing(
|
|
state,
|
|
key_store,
|
|
transaction_data,
|
|
eligible_connectors.as_ref(),
|
|
business_profile,
|
|
)
|
|
.await;
|
|
|
|
final_selection.append(
|
|
&mut fallback_selection
|
|
.unwrap_or_default()
|
|
.iter()
|
|
.filter(|&routable_connector_choice| {
|
|
!final_selection.contains(routable_connector_choice)
|
|
})
|
|
.cloned()
|
|
.collect::<Vec<_>>(),
|
|
);
|
|
|
|
let final_selected_connectors = final_selection
|
|
.iter()
|
|
.map(|item| item.connector)
|
|
.collect::<Vec<_>>();
|
|
logger::debug!(final_selected_connectors_for_routing=?final_selected_connectors, "List of final selected connectors for routing");
|
|
|
|
Ok(final_selection)
|
|
}
|
|
|
|
#[cfg(feature = "v2")]
|
|
pub async fn perform_session_flow_routing<'a>(
|
|
state: &'a SessionState,
|
|
key_store: &'a domain::MerchantKeyStore,
|
|
session_input: SessionFlowRoutingInput<'_>,
|
|
business_profile: &domain::Profile,
|
|
transaction_type: &api_enums::TransactionType,
|
|
) -> RoutingResult<FxHashMap<api_enums::PaymentMethodType, Vec<routing_types::SessionRoutingChoice>>>
|
|
{
|
|
let mut pm_type_map: FxHashMap<api_enums::PaymentMethodType, FxHashMap<String, api::GetToken>> =
|
|
FxHashMap::default();
|
|
|
|
let profile_id = business_profile.get_id().clone();
|
|
|
|
let routing_algorithm =
|
|
MerchantAccountRoutingAlgorithm::V1(business_profile.routing_algorithm_id.clone());
|
|
|
|
let payment_method_input = dsl_inputs::PaymentMethodInput {
|
|
payment_method: None,
|
|
payment_method_type: None,
|
|
card_network: None,
|
|
};
|
|
|
|
let payment_input = dsl_inputs::PaymentInput {
|
|
amount: session_input
|
|
.payment_intent
|
|
.amount_details
|
|
.calculate_net_amount(),
|
|
currency: session_input.payment_intent.amount_details.currency,
|
|
authentication_type: session_input.payment_intent.authentication_type,
|
|
card_bin: None,
|
|
capture_method: Option::<euclid_enums::CaptureMethod>::foreign_from(
|
|
session_input.payment_intent.capture_method,
|
|
),
|
|
// business_country not available in payment_intent anymore
|
|
business_country: None,
|
|
billing_country: session_input
|
|
.country
|
|
.map(storage_enums::Country::from_alpha2),
|
|
// business_label not available in payment_intent anymore
|
|
business_label: None,
|
|
setup_future_usage: Some(session_input.payment_intent.setup_future_usage),
|
|
};
|
|
|
|
let metadata = session_input
|
|
.payment_intent
|
|
.parse_and_get_metadata("routing_parameters")
|
|
.change_context(errors::RoutingError::MetadataParsingError)
|
|
.attach_printable("Unable to parse routing_parameters from metadata of payment_intent")
|
|
.unwrap_or(None);
|
|
|
|
let mut backend_input = dsl_inputs::BackendInput {
|
|
metadata,
|
|
payment: payment_input,
|
|
payment_method: payment_method_input,
|
|
mandate: dsl_inputs::MandateData {
|
|
mandate_acceptance_type: None,
|
|
mandate_type: None,
|
|
payment_type: None,
|
|
},
|
|
acquirer_data: None,
|
|
customer_device_data: None,
|
|
issuer_data: None,
|
|
};
|
|
|
|
for connector_data in session_input.chosen.iter() {
|
|
pm_type_map
|
|
.entry(connector_data.payment_method_sub_type)
|
|
.or_default()
|
|
.insert(
|
|
connector_data.connector.connector_name.to_string(),
|
|
connector_data.connector.get_token.clone(),
|
|
);
|
|
}
|
|
|
|
let mut result: FxHashMap<
|
|
api_enums::PaymentMethodType,
|
|
Vec<routing_types::SessionRoutingChoice>,
|
|
> = FxHashMap::default();
|
|
|
|
for (pm_type, allowed_connectors) in pm_type_map {
|
|
let euclid_pmt: euclid_enums::PaymentMethodType = pm_type;
|
|
let euclid_pm: euclid_enums::PaymentMethod = euclid_pmt.into();
|
|
|
|
backend_input.payment_method.payment_method = Some(euclid_pm);
|
|
backend_input.payment_method.payment_method_type = Some(euclid_pmt);
|
|
|
|
let session_pm_input = SessionRoutingPmTypeInput {
|
|
routing_algorithm: &routing_algorithm,
|
|
backend_input: backend_input.clone(),
|
|
allowed_connectors,
|
|
profile_id: &profile_id,
|
|
};
|
|
|
|
let routable_connector_choice_option = perform_session_routing_for_pm_type(
|
|
state,
|
|
key_store,
|
|
&session_pm_input,
|
|
transaction_type,
|
|
business_profile,
|
|
)
|
|
.await?;
|
|
|
|
if let Some(routable_connector_choice) = routable_connector_choice_option {
|
|
let mut session_routing_choice: Vec<routing_types::SessionRoutingChoice> = Vec::new();
|
|
|
|
for selection in routable_connector_choice {
|
|
let connector_name = selection.connector.to_string();
|
|
if let Some(get_token) = session_pm_input.allowed_connectors.get(&connector_name) {
|
|
let connector_data = api::ConnectorData::get_connector_by_name(
|
|
&state.clone().conf.connectors,
|
|
&connector_name,
|
|
get_token.clone(),
|
|
selection.merchant_connector_id,
|
|
)
|
|
.change_context(errors::RoutingError::InvalidConnectorName(connector_name))?;
|
|
|
|
session_routing_choice.push(routing_types::SessionRoutingChoice {
|
|
connector: connector_data,
|
|
payment_method_type: pm_type,
|
|
});
|
|
}
|
|
}
|
|
if !session_routing_choice.is_empty() {
|
|
result.insert(pm_type, session_routing_choice);
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(result)
|
|
}
|
|
|
|
#[cfg(feature = "v1")]
|
|
pub async fn perform_session_flow_routing(
|
|
session_input: SessionFlowRoutingInput<'_>,
|
|
business_profile: &domain::Profile,
|
|
transaction_type: &api_enums::TransactionType,
|
|
) -> RoutingResult<FxHashMap<api_enums::PaymentMethodType, Vec<routing_types::SessionRoutingChoice>>>
|
|
{
|
|
let mut pm_type_map: FxHashMap<api_enums::PaymentMethodType, FxHashMap<String, api::GetToken>> =
|
|
FxHashMap::default();
|
|
|
|
let profile_id = session_input
|
|
.payment_intent
|
|
.profile_id
|
|
.clone()
|
|
.get_required_value("profile_id")
|
|
.change_context(errors::RoutingError::ProfileIdMissing)?;
|
|
|
|
let routing_algorithm: MerchantAccountRoutingAlgorithm = {
|
|
business_profile
|
|
.routing_algorithm
|
|
.clone()
|
|
.map(|val| val.parse_value("MerchantAccountRoutingAlgorithm"))
|
|
.transpose()
|
|
.change_context(errors::RoutingError::InvalidRoutingAlgorithmStructure)?
|
|
.unwrap_or_default()
|
|
};
|
|
|
|
let payment_method_input = dsl_inputs::PaymentMethodInput {
|
|
payment_method: None,
|
|
payment_method_type: None,
|
|
card_network: None,
|
|
};
|
|
|
|
let payment_input = dsl_inputs::PaymentInput {
|
|
amount: session_input.payment_attempt.get_total_amount(),
|
|
currency: session_input
|
|
.payment_intent
|
|
.currency
|
|
.get_required_value("Currency")
|
|
.change_context(errors::RoutingError::DslMissingRequiredField {
|
|
field_name: "currency".to_string(),
|
|
})?,
|
|
authentication_type: session_input.payment_attempt.authentication_type,
|
|
card_bin: None,
|
|
capture_method: session_input
|
|
.payment_attempt
|
|
.capture_method
|
|
.and_then(Option::<euclid_enums::CaptureMethod>::foreign_from),
|
|
business_country: session_input
|
|
.payment_intent
|
|
.business_country
|
|
.map(api_enums::Country::from_alpha2),
|
|
billing_country: session_input
|
|
.country
|
|
.map(storage_enums::Country::from_alpha2),
|
|
business_label: session_input.payment_intent.business_label.clone(),
|
|
setup_future_usage: session_input.payment_intent.setup_future_usage,
|
|
};
|
|
|
|
let metadata = session_input
|
|
.payment_intent
|
|
.parse_and_get_metadata("routing_parameters")
|
|
.change_context(errors::RoutingError::MetadataParsingError)
|
|
.attach_printable("Unable to parse routing_parameters from metadata of payment_intent")
|
|
.unwrap_or(None);
|
|
|
|
let mut backend_input = dsl_inputs::BackendInput {
|
|
metadata,
|
|
payment: payment_input,
|
|
payment_method: payment_method_input,
|
|
mandate: dsl_inputs::MandateData {
|
|
mandate_acceptance_type: None,
|
|
mandate_type: None,
|
|
payment_type: None,
|
|
},
|
|
acquirer_data: None,
|
|
customer_device_data: None,
|
|
issuer_data: None,
|
|
};
|
|
|
|
for connector_data in session_input.chosen.iter() {
|
|
pm_type_map
|
|
.entry(connector_data.payment_method_sub_type)
|
|
.or_default()
|
|
.insert(
|
|
connector_data.connector.connector_name.to_string(),
|
|
connector_data.connector.get_token.clone(),
|
|
);
|
|
}
|
|
|
|
let mut result: FxHashMap<
|
|
api_enums::PaymentMethodType,
|
|
Vec<routing_types::SessionRoutingChoice>,
|
|
> = FxHashMap::default();
|
|
|
|
for (pm_type, allowed_connectors) in pm_type_map {
|
|
let euclid_pmt: euclid_enums::PaymentMethodType = pm_type;
|
|
let euclid_pm: euclid_enums::PaymentMethod = euclid_pmt.into();
|
|
|
|
backend_input.payment_method.payment_method = Some(euclid_pm);
|
|
backend_input.payment_method.payment_method_type = Some(euclid_pmt);
|
|
|
|
let session_pm_input = SessionRoutingPmTypeInput {
|
|
state: session_input.state,
|
|
key_store: session_input.key_store,
|
|
attempt_id: session_input.payment_attempt.get_id(),
|
|
routing_algorithm: &routing_algorithm,
|
|
backend_input: backend_input.clone(),
|
|
allowed_connectors,
|
|
profile_id: &profile_id,
|
|
};
|
|
|
|
let routable_connector_choice_option = perform_session_routing_for_pm_type(
|
|
&session_pm_input,
|
|
transaction_type,
|
|
business_profile,
|
|
)
|
|
.await?;
|
|
|
|
if let Some(routable_connector_choice) = routable_connector_choice_option {
|
|
let mut session_routing_choice: Vec<routing_types::SessionRoutingChoice> = Vec::new();
|
|
|
|
for selection in routable_connector_choice {
|
|
let connector_name = selection.connector.to_string();
|
|
if let Some(get_token) = session_pm_input.allowed_connectors.get(&connector_name) {
|
|
let connector_data = api::ConnectorData::get_connector_by_name(
|
|
&session_pm_input.state.clone().conf.connectors,
|
|
&connector_name,
|
|
get_token.clone(),
|
|
selection.merchant_connector_id,
|
|
)
|
|
.change_context(errors::RoutingError::InvalidConnectorName(connector_name))?;
|
|
|
|
session_routing_choice.push(routing_types::SessionRoutingChoice {
|
|
connector: connector_data,
|
|
payment_method_type: pm_type,
|
|
});
|
|
}
|
|
}
|
|
if !session_routing_choice.is_empty() {
|
|
result.insert(pm_type, session_routing_choice);
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(result)
|
|
}
|
|
|
|
#[cfg(feature = "v1")]
|
|
async fn perform_session_routing_for_pm_type(
|
|
session_pm_input: &SessionRoutingPmTypeInput<'_>,
|
|
transaction_type: &api_enums::TransactionType,
|
|
_business_profile: &domain::Profile,
|
|
) -> RoutingResult<Option<Vec<api_models::routing::RoutableConnectorChoice>>> {
|
|
let merchant_id = &session_pm_input.key_store.merchant_id;
|
|
|
|
let algorithm_id = match session_pm_input.routing_algorithm {
|
|
MerchantAccountRoutingAlgorithm::V1(algorithm_ref) => &algorithm_ref.algorithm_id,
|
|
};
|
|
|
|
let chosen_connectors = if let Some(ref algorithm_id) = algorithm_id {
|
|
let cached_algorithm = ensure_algorithm_cached_v1(
|
|
&session_pm_input.state.clone(),
|
|
merchant_id,
|
|
algorithm_id,
|
|
session_pm_input.profile_id,
|
|
transaction_type,
|
|
)
|
|
.await?;
|
|
|
|
match cached_algorithm.as_ref() {
|
|
CachedAlgorithm::Single(conn) => vec![(**conn).clone()],
|
|
CachedAlgorithm::Priority(plist) => plist.clone(),
|
|
CachedAlgorithm::VolumeSplit(splits) => perform_volume_split(splits.to_vec())
|
|
.change_context(errors::RoutingError::ConnectorSelectionFailed)?,
|
|
CachedAlgorithm::Advanced(interpreter) => execute_dsl_and_get_connector_v1(
|
|
session_pm_input.backend_input.clone(),
|
|
interpreter,
|
|
)?,
|
|
}
|
|
} else {
|
|
routing::helpers::get_merchant_default_config(
|
|
&*session_pm_input.state.clone().store,
|
|
session_pm_input.profile_id.get_string_repr(),
|
|
transaction_type,
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?
|
|
};
|
|
|
|
let mut final_selection = perform_cgraph_filtering(
|
|
&session_pm_input.state.clone(),
|
|
session_pm_input.key_store,
|
|
chosen_connectors,
|
|
session_pm_input.backend_input.clone(),
|
|
None,
|
|
session_pm_input.profile_id,
|
|
transaction_type,
|
|
)
|
|
.await?;
|
|
|
|
if final_selection.is_empty() {
|
|
let fallback = routing::helpers::get_merchant_default_config(
|
|
&*session_pm_input.state.clone().store,
|
|
session_pm_input.profile_id.get_string_repr(),
|
|
transaction_type,
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?;
|
|
|
|
final_selection = perform_cgraph_filtering(
|
|
&session_pm_input.state.clone(),
|
|
session_pm_input.key_store,
|
|
fallback,
|
|
session_pm_input.backend_input.clone(),
|
|
None,
|
|
session_pm_input.profile_id,
|
|
transaction_type,
|
|
)
|
|
.await?;
|
|
}
|
|
|
|
if final_selection.is_empty() {
|
|
Ok(None)
|
|
} else {
|
|
Ok(Some(final_selection))
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "v2")]
|
|
async fn get_chosen_connectors<'a>(
|
|
state: &'a SessionState,
|
|
key_store: &'a domain::MerchantKeyStore,
|
|
session_pm_input: &SessionRoutingPmTypeInput<'_>,
|
|
transaction_type: &api_enums::TransactionType,
|
|
profile_wrapper: &admin::ProfileWrapper,
|
|
) -> RoutingResult<Vec<api_models::routing::RoutableConnectorChoice>> {
|
|
let merchant_id = &key_store.merchant_id;
|
|
|
|
let MerchantAccountRoutingAlgorithm::V1(algorithm_id) = session_pm_input.routing_algorithm;
|
|
|
|
let chosen_connectors = if let Some(ref algorithm_id) = algorithm_id {
|
|
let cached_algorithm = ensure_algorithm_cached_v1(
|
|
state,
|
|
merchant_id,
|
|
algorithm_id,
|
|
session_pm_input.profile_id,
|
|
transaction_type,
|
|
)
|
|
.await?;
|
|
|
|
match cached_algorithm.as_ref() {
|
|
CachedAlgorithm::Single(conn) => vec![(**conn).clone()],
|
|
CachedAlgorithm::Priority(plist) => plist.clone(),
|
|
CachedAlgorithm::VolumeSplit(splits) => perform_volume_split(splits.to_vec())
|
|
.change_context(errors::RoutingError::ConnectorSelectionFailed)?,
|
|
CachedAlgorithm::Advanced(interpreter) => execute_dsl_and_get_connector_v1(
|
|
session_pm_input.backend_input.clone(),
|
|
interpreter,
|
|
)?,
|
|
}
|
|
} else {
|
|
profile_wrapper
|
|
.get_default_fallback_list_of_connector_under_profile()
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?
|
|
};
|
|
Ok(chosen_connectors)
|
|
}
|
|
|
|
#[cfg(feature = "v2")]
|
|
async fn perform_session_routing_for_pm_type<'a>(
|
|
state: &'a SessionState,
|
|
key_store: &'a domain::MerchantKeyStore,
|
|
session_pm_input: &SessionRoutingPmTypeInput<'_>,
|
|
transaction_type: &api_enums::TransactionType,
|
|
business_profile: &domain::Profile,
|
|
) -> RoutingResult<Option<Vec<api_models::routing::RoutableConnectorChoice>>> {
|
|
let profile_wrapper = admin::ProfileWrapper::new(business_profile.clone());
|
|
let chosen_connectors = get_chosen_connectors(
|
|
state,
|
|
key_store,
|
|
session_pm_input,
|
|
transaction_type,
|
|
&profile_wrapper,
|
|
)
|
|
.await?;
|
|
|
|
let mut final_selection = perform_cgraph_filtering(
|
|
state,
|
|
key_store,
|
|
chosen_connectors,
|
|
session_pm_input.backend_input.clone(),
|
|
None,
|
|
session_pm_input.profile_id,
|
|
transaction_type,
|
|
)
|
|
.await?;
|
|
|
|
if final_selection.is_empty() {
|
|
let fallback = profile_wrapper
|
|
.get_default_fallback_list_of_connector_under_profile()
|
|
.change_context(errors::RoutingError::FallbackConfigFetchFailed)?;
|
|
|
|
final_selection = perform_cgraph_filtering(
|
|
state,
|
|
key_store,
|
|
fallback,
|
|
session_pm_input.backend_input.clone(),
|
|
None,
|
|
session_pm_input.profile_id,
|
|
transaction_type,
|
|
)
|
|
.await?;
|
|
}
|
|
|
|
if final_selection.is_empty() {
|
|
Ok(None)
|
|
} else {
|
|
Ok(Some(final_selection))
|
|
}
|
|
}
|
|
#[cfg(feature = "v2")]
|
|
pub fn make_dsl_input_for_surcharge(
|
|
_payment_attempt: &oss_storage::PaymentAttempt,
|
|
_payment_intent: &oss_storage::PaymentIntent,
|
|
_billing_address: Option<Address>,
|
|
) -> RoutingResult<dsl_inputs::BackendInput> {
|
|
todo!()
|
|
}
|
|
|
|
#[cfg(feature = "v1")]
|
|
pub fn make_dsl_input_for_surcharge(
|
|
payment_attempt: &oss_storage::PaymentAttempt,
|
|
payment_intent: &oss_storage::PaymentIntent,
|
|
billing_address: Option<Address>,
|
|
) -> RoutingResult<dsl_inputs::BackendInput> {
|
|
let mandate_data = dsl_inputs::MandateData {
|
|
mandate_acceptance_type: None,
|
|
mandate_type: None,
|
|
payment_type: None,
|
|
};
|
|
|
|
let payment_input = dsl_inputs::PaymentInput {
|
|
amount: payment_attempt.get_total_amount(),
|
|
// currency is always populated in payment_attempt during payment create
|
|
currency: payment_attempt
|
|
.currency
|
|
.get_required_value("currency")
|
|
.change_context(errors::RoutingError::DslMissingRequiredField {
|
|
field_name: "currency".to_string(),
|
|
})?,
|
|
authentication_type: payment_attempt.authentication_type,
|
|
card_bin: None,
|
|
capture_method: payment_attempt.capture_method,
|
|
business_country: payment_intent
|
|
.business_country
|
|
.map(api_enums::Country::from_alpha2),
|
|
billing_country: billing_address
|
|
.and_then(|bic| bic.address)
|
|
.and_then(|add| add.country)
|
|
.map(api_enums::Country::from_alpha2),
|
|
business_label: payment_intent.business_label.clone(),
|
|
setup_future_usage: payment_intent.setup_future_usage,
|
|
};
|
|
|
|
let metadata = payment_intent
|
|
.parse_and_get_metadata("routing_parameters")
|
|
.change_context(errors::RoutingError::MetadataParsingError)
|
|
.attach_printable("Unable to parse routing_parameters from metadata of payment_intent")
|
|
.unwrap_or(None);
|
|
let payment_method_input = dsl_inputs::PaymentMethodInput {
|
|
payment_method: None,
|
|
payment_method_type: None,
|
|
card_network: None,
|
|
};
|
|
let backend_input = dsl_inputs::BackendInput {
|
|
metadata,
|
|
payment: payment_input,
|
|
payment_method: payment_method_input,
|
|
mandate: mandate_data,
|
|
acquirer_data: None,
|
|
customer_device_data: None,
|
|
issuer_data: None,
|
|
};
|
|
Ok(backend_input)
|
|
}
|
|
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
pub async fn perform_dynamic_routing_with_open_router(
|
|
state: &SessionState,
|
|
routable_connectors: Vec<api_routing::RoutableConnectorChoice>,
|
|
profile: &domain::Profile,
|
|
payment_data: oss_storage::PaymentAttempt,
|
|
) -> RoutingResult<Vec<api_routing::RoutableConnectorChoice>> {
|
|
let dynamic_routing_algo_ref: api_routing::DynamicRoutingAlgorithmRef = profile
|
|
.dynamic_routing_algorithm
|
|
.clone()
|
|
.map(|val| val.parse_value("DynamicRoutingAlgorithmRef"))
|
|
.transpose()
|
|
.change_context(errors::RoutingError::DeserializationError {
|
|
from: "JSON".to_string(),
|
|
to: "DynamicRoutingAlgorithmRef".to_string(),
|
|
})
|
|
.attach_printable("unable to deserialize DynamicRoutingAlgorithmRef from JSON")?
|
|
.ok_or(errors::RoutingError::GenericNotFoundError {
|
|
field: "dynamic_routing_algorithm".to_string(),
|
|
})?;
|
|
|
|
logger::debug!(
|
|
"performing dynamic_routing with open_router for profile {}",
|
|
profile.get_id().get_string_repr()
|
|
);
|
|
|
|
let is_success_rate_routing_enabled =
|
|
dynamic_routing_algo_ref.is_success_rate_routing_enabled();
|
|
let is_elimination_enabled = dynamic_routing_algo_ref.is_elimination_enabled();
|
|
|
|
// Since success_based and elimination routing is being done in 1 api call, we call decide_gateway when either of it enabled
|
|
let connectors = if is_success_rate_routing_enabled || is_elimination_enabled {
|
|
let connectors = perform_decide_gateway_call_with_open_router(
|
|
state,
|
|
routable_connectors.clone(),
|
|
profile.get_id(),
|
|
&payment_data,
|
|
is_elimination_enabled,
|
|
)
|
|
.await?;
|
|
|
|
if is_elimination_enabled {
|
|
// This will initiate the elimination process for the connector.
|
|
// Penalize the elimination score of the connector before making a payment.
|
|
// Once the payment is made, we will update the score based on the payment status
|
|
if let Some(connector) = connectors.first() {
|
|
logger::debug!(
|
|
"penalizing the elimination score of the gateway with id {} in open_router for profile {}",
|
|
connector, profile.get_id().get_string_repr()
|
|
);
|
|
update_gateway_score_with_open_router(
|
|
state,
|
|
connector.clone(),
|
|
profile.get_id(),
|
|
&payment_data.merchant_id,
|
|
&payment_data.payment_id,
|
|
common_enums::AttemptStatus::AuthenticationPending,
|
|
)
|
|
.await?
|
|
}
|
|
}
|
|
connectors
|
|
} else {
|
|
routable_connectors
|
|
};
|
|
|
|
Ok(connectors)
|
|
}
|
|
|
|
#[cfg(feature = "v1")]
|
|
pub async fn perform_open_routing_for_debit_routing(
|
|
state: &SessionState,
|
|
payment_attempt: &oss_storage::PaymentAttempt,
|
|
co_badged_card_request: or_types::CoBadgedCardRequest,
|
|
card_isin: Option<Secret<String>>,
|
|
) -> RoutingResult<or_types::DebitRoutingOutput> {
|
|
logger::debug!(
|
|
"performing debit routing with open_router for profile {}",
|
|
payment_attempt.profile_id.get_string_repr()
|
|
);
|
|
|
|
let metadata = Some(
|
|
serde_json::to_string(&co_badged_card_request)
|
|
.change_context(errors::ApiErrorResponse::InternalServerError)
|
|
.attach_printable("Failed to encode Vaulting data to string")
|
|
.change_context(errors::RoutingError::MetadataParsingError)?,
|
|
);
|
|
|
|
let open_router_req_body = OpenRouterDecideGatewayRequest::construct_debit_request(
|
|
payment_attempt,
|
|
metadata,
|
|
card_isin,
|
|
Some(or_types::RankingAlgorithm::NtwBasedRouting),
|
|
);
|
|
|
|
let routing_events_wrapper = utils::RoutingEventsWrapper::new(
|
|
state.tenant.tenant_id.clone(),
|
|
state.request_id,
|
|
payment_attempt.payment_id.get_string_repr().to_string(),
|
|
payment_attempt.profile_id.to_owned(),
|
|
payment_attempt.merchant_id.to_owned(),
|
|
"DecisionEngine: Debit Routing".to_string(),
|
|
Some(open_router_req_body.clone()),
|
|
true,
|
|
true,
|
|
);
|
|
|
|
let response: RoutingResult<utils::RoutingEventsResponse<DecidedGateway>> =
|
|
utils::EuclidApiClient::send_decision_engine_request(
|
|
state,
|
|
services::Method::Post,
|
|
"decide-gateway",
|
|
Some(open_router_req_body),
|
|
None,
|
|
Some(routing_events_wrapper),
|
|
)
|
|
.await;
|
|
|
|
let output = match response {
|
|
Ok(events_response) => {
|
|
let debit_routing_output = events_response
|
|
.response
|
|
.ok_or(errors::RoutingError::OpenRouterError(
|
|
"Response from decision engine API is empty".to_string(),
|
|
))?
|
|
.debit_routing_output
|
|
.get_required_value("debit_routing_output")
|
|
.change_context(errors::RoutingError::OpenRouterError(
|
|
"Failed to parse the response from open_router".into(),
|
|
))
|
|
.attach_printable("debit_routing_output is missing in the open routing response")?;
|
|
|
|
Ok(debit_routing_output)
|
|
}
|
|
Err(error_response) => {
|
|
logger::error!("open_router_error_response: {:?}", error_response);
|
|
Err(errors::RoutingError::OpenRouterError(
|
|
"Failed to perform debit routing in open router".into(),
|
|
))
|
|
}
|
|
}?;
|
|
|
|
Ok(output)
|
|
}
|
|
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
pub async fn perform_dynamic_routing_with_intelligent_router(
|
|
state: &SessionState,
|
|
routable_connectors: Vec<api_routing::RoutableConnectorChoice>,
|
|
profile: &domain::Profile,
|
|
dynamic_routing_config_params_interpolator: routing::helpers::DynamicRoutingConfigParamsInterpolator,
|
|
payment_attempt: &oss_storage::PaymentAttempt,
|
|
) -> RoutingResult<Vec<api_routing::RoutableConnectorChoice>> {
|
|
let dynamic_routing_algo_ref: api_routing::DynamicRoutingAlgorithmRef = profile
|
|
.dynamic_routing_algorithm
|
|
.clone()
|
|
.map(|val| val.parse_value("DynamicRoutingAlgorithmRef"))
|
|
.transpose()
|
|
.change_context(errors::RoutingError::DeserializationError {
|
|
from: "JSON".to_string(),
|
|
to: "DynamicRoutingAlgorithmRef".to_string(),
|
|
})
|
|
.attach_printable("unable to deserialize DynamicRoutingAlgorithmRef from JSON")?
|
|
.ok_or(errors::RoutingError::GenericNotFoundError {
|
|
field: "dynamic_routing_algorithm".to_string(),
|
|
})?;
|
|
|
|
logger::debug!(
|
|
"performing dynamic_routing for profile {}",
|
|
profile.get_id().get_string_repr()
|
|
);
|
|
|
|
let mut connector_list = match dynamic_routing_algo_ref
|
|
.success_based_algorithm
|
|
.as_ref()
|
|
.async_map(|algorithm| {
|
|
perform_success_based_routing(
|
|
state,
|
|
routable_connectors.clone(),
|
|
profile.get_id(),
|
|
&payment_attempt.merchant_id,
|
|
&payment_attempt.payment_id,
|
|
dynamic_routing_config_params_interpolator.clone(),
|
|
algorithm.clone(),
|
|
)
|
|
})
|
|
.await
|
|
.transpose()
|
|
.inspect_err(|e| logger::error!(dynamic_routing_error=?e))
|
|
.ok()
|
|
.flatten()
|
|
{
|
|
Some(success_based_list) => success_based_list,
|
|
None => {
|
|
// Only run contract based if success based returns None
|
|
dynamic_routing_algo_ref
|
|
.contract_based_routing
|
|
.as_ref()
|
|
.async_map(|algorithm| {
|
|
perform_contract_based_routing(
|
|
state,
|
|
routable_connectors.clone(),
|
|
profile.get_id(),
|
|
&payment_attempt.merchant_id,
|
|
&payment_attempt.payment_id,
|
|
dynamic_routing_config_params_interpolator.clone(),
|
|
algorithm.clone(),
|
|
)
|
|
})
|
|
.await
|
|
.transpose()
|
|
.inspect_err(|e| logger::error!(dynamic_routing_error=?e))
|
|
.ok()
|
|
.flatten()
|
|
.unwrap_or(routable_connectors.clone())
|
|
}
|
|
};
|
|
|
|
connector_list = dynamic_routing_algo_ref
|
|
.elimination_routing_algorithm
|
|
.as_ref()
|
|
.async_map(|algorithm| {
|
|
perform_elimination_routing(
|
|
state,
|
|
connector_list.clone(),
|
|
profile.get_id(),
|
|
&payment_attempt.merchant_id,
|
|
&payment_attempt.payment_id,
|
|
dynamic_routing_config_params_interpolator.clone(),
|
|
algorithm.clone(),
|
|
)
|
|
})
|
|
.await
|
|
.transpose()
|
|
.inspect_err(|e| logger::error!(dynamic_routing_error=?e))
|
|
.ok()
|
|
.flatten()
|
|
.unwrap_or(connector_list);
|
|
|
|
Ok(connector_list)
|
|
}
|
|
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
#[instrument(skip_all)]
|
|
pub async fn perform_decide_gateway_call_with_open_router(
|
|
state: &SessionState,
|
|
mut routable_connectors: Vec<api_routing::RoutableConnectorChoice>,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
payment_attempt: &oss_storage::PaymentAttempt,
|
|
is_elimination_enabled: bool,
|
|
) -> RoutingResult<Vec<api_routing::RoutableConnectorChoice>> {
|
|
logger::debug!(
|
|
"performing decide_gateway call with open_router for profile {}",
|
|
profile_id.get_string_repr()
|
|
);
|
|
|
|
let open_router_req_body = OpenRouterDecideGatewayRequest::construct_sr_request(
|
|
payment_attempt,
|
|
routable_connectors.clone(),
|
|
Some(or_types::RankingAlgorithm::SrBasedRouting),
|
|
is_elimination_enabled,
|
|
);
|
|
|
|
let routing_events_wrapper = utils::RoutingEventsWrapper::new(
|
|
state.tenant.tenant_id.clone(),
|
|
state.request_id,
|
|
payment_attempt.payment_id.get_string_repr().to_string(),
|
|
payment_attempt.profile_id.to_owned(),
|
|
payment_attempt.merchant_id.to_owned(),
|
|
"DecisionEngine: SuccessRate decide_gateway".to_string(),
|
|
Some(open_router_req_body.clone()),
|
|
true,
|
|
false,
|
|
);
|
|
|
|
let response: RoutingResult<utils::RoutingEventsResponse<DecidedGateway>> =
|
|
utils::SRApiClient::send_decision_engine_request(
|
|
state,
|
|
services::Method::Post,
|
|
"decide-gateway",
|
|
Some(open_router_req_body),
|
|
None,
|
|
Some(routing_events_wrapper),
|
|
)
|
|
.await;
|
|
|
|
let sr_sorted_connectors = match response {
|
|
Ok(resp) => {
|
|
let decided_gateway: DecidedGateway =
|
|
resp.response.ok_or(errors::RoutingError::OpenRouterError(
|
|
"Empty response received from open_router".into(),
|
|
))?;
|
|
|
|
let mut routing_event = resp.event.ok_or(errors::RoutingError::RoutingEventsError {
|
|
message: "Decision-Engine: RoutingEvent not found in RoutingEventsResponse"
|
|
.to_string(),
|
|
status_code: 500,
|
|
})?;
|
|
|
|
routing_event.set_response_body(&decided_gateway);
|
|
routing_event.set_routing_approach(
|
|
utils::RoutingApproach::from_decision_engine_approach(
|
|
&decided_gateway.routing_approach,
|
|
)
|
|
.to_string(),
|
|
);
|
|
|
|
if let Some(gateway_priority_map) = decided_gateway.gateway_priority_map {
|
|
logger::debug!(gateway_priority_map=?gateway_priority_map, routing_approach=decided_gateway.routing_approach, "open_router decide_gateway call response");
|
|
routable_connectors.sort_by(|connector_choice_a, connector_choice_b| {
|
|
let connector_choice_a_score = gateway_priority_map
|
|
.get(&connector_choice_a.to_string())
|
|
.copied()
|
|
.unwrap_or(0.0);
|
|
let connector_choice_b_score = gateway_priority_map
|
|
.get(&connector_choice_b.to_string())
|
|
.copied()
|
|
.unwrap_or(0.0);
|
|
connector_choice_b_score
|
|
.partial_cmp(&connector_choice_a_score)
|
|
.unwrap_or(std::cmp::Ordering::Equal)
|
|
});
|
|
}
|
|
|
|
routing_event.set_routable_connectors(routable_connectors.clone());
|
|
state.event_handler().log_event(&routing_event);
|
|
|
|
Ok(routable_connectors)
|
|
}
|
|
Err(err) => {
|
|
logger::error!("open_router_error_response: {:?}", err);
|
|
|
|
Err(errors::RoutingError::OpenRouterError(
|
|
"Failed to perform decide_gateway call in open_router".into(),
|
|
))
|
|
}
|
|
}?;
|
|
|
|
Ok(sr_sorted_connectors)
|
|
}
|
|
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
#[instrument(skip_all)]
|
|
pub async fn update_gateway_score_with_open_router(
|
|
state: &SessionState,
|
|
payment_connector: api_routing::RoutableConnectorChoice,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
merchant_id: &common_utils::id_type::MerchantId,
|
|
payment_id: &common_utils::id_type::PaymentId,
|
|
payment_status: common_enums::AttemptStatus,
|
|
) -> RoutingResult<()> {
|
|
let open_router_req_body = or_types::UpdateScorePayload {
|
|
merchant_id: profile_id.clone(),
|
|
gateway: payment_connector.to_string(),
|
|
status: payment_status.foreign_into(),
|
|
payment_id: payment_id.clone(),
|
|
};
|
|
|
|
let routing_events_wrapper = utils::RoutingEventsWrapper::new(
|
|
state.tenant.tenant_id.clone(),
|
|
state.request_id,
|
|
payment_id.get_string_repr().to_string(),
|
|
profile_id.to_owned(),
|
|
merchant_id.to_owned(),
|
|
"DecisionEngine: SuccessRate update_gateway_score".to_string(),
|
|
Some(open_router_req_body.clone()),
|
|
true,
|
|
false,
|
|
);
|
|
|
|
let response: RoutingResult<utils::RoutingEventsResponse<or_types::UpdateScoreResponse>> =
|
|
utils::SRApiClient::send_decision_engine_request(
|
|
state,
|
|
services::Method::Post,
|
|
"update-gateway-score",
|
|
Some(open_router_req_body),
|
|
None,
|
|
Some(routing_events_wrapper),
|
|
)
|
|
.await;
|
|
|
|
match response {
|
|
Ok(resp) => {
|
|
let update_score_resp = resp.response.ok_or(errors::RoutingError::OpenRouterError(
|
|
"Failed to parse the response from open_router".into(),
|
|
))?;
|
|
|
|
let mut routing_event = resp.event.ok_or(errors::RoutingError::RoutingEventsError {
|
|
message: "Decision-Engine: RoutingEvent not found in RoutingEventsResponse"
|
|
.to_string(),
|
|
status_code: 500,
|
|
})?;
|
|
|
|
logger::debug!(
|
|
"open_router update_gateway_score response for gateway with id {}: {:?}",
|
|
payment_connector,
|
|
update_score_resp.message
|
|
);
|
|
|
|
routing_event.set_response_body(&update_score_resp);
|
|
routing_event.set_payment_connector(payment_connector.clone()); // check this in review
|
|
state.event_handler().log_event(&routing_event);
|
|
|
|
Ok(())
|
|
}
|
|
Err(err) => {
|
|
logger::error!("open_router_update_gateway_score_error: {:?}", err);
|
|
|
|
Err(errors::RoutingError::OpenRouterError(
|
|
"Failed to update gateway score in open_router".into(),
|
|
))
|
|
}
|
|
}?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// success based dynamic routing
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
#[instrument(skip_all)]
|
|
pub async fn perform_success_based_routing(
|
|
state: &SessionState,
|
|
routable_connectors: Vec<api_routing::RoutableConnectorChoice>,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
merchant_id: &common_utils::id_type::MerchantId,
|
|
payment_id: &common_utils::id_type::PaymentId,
|
|
success_based_routing_config_params_interpolator: routing::helpers::DynamicRoutingConfigParamsInterpolator,
|
|
success_based_algo_ref: api_routing::SuccessBasedAlgorithm,
|
|
) -> RoutingResult<Vec<api_routing::RoutableConnectorChoice>> {
|
|
if success_based_algo_ref.enabled_feature
|
|
== api_routing::DynamicRoutingFeatures::DynamicConnectorSelection
|
|
{
|
|
logger::debug!(
|
|
"performing success_based_routing for profile {}",
|
|
profile_id.get_string_repr()
|
|
);
|
|
let client = state
|
|
.grpc_client
|
|
.dynamic_routing
|
|
.success_rate_client
|
|
.as_ref()
|
|
.ok_or(errors::RoutingError::SuccessRateClientInitializationError)
|
|
.attach_printable("success_rate gRPC client not found")?;
|
|
|
|
let success_based_routing_configs = routing::helpers::fetch_dynamic_routing_configs::<
|
|
api_routing::SuccessBasedRoutingConfig,
|
|
>(
|
|
state,
|
|
profile_id,
|
|
success_based_algo_ref
|
|
.algorithm_id_with_timestamp
|
|
.algorithm_id
|
|
.ok_or(errors::RoutingError::GenericNotFoundError {
|
|
field: "success_based_routing_algorithm_id".to_string(),
|
|
})
|
|
.attach_printable("success_based_routing_algorithm_id not found in profile_id")?,
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::SuccessBasedRoutingConfigError)
|
|
.attach_printable("unable to fetch success_rate based dynamic routing configs")?;
|
|
|
|
let success_based_routing_config_params = success_based_routing_config_params_interpolator
|
|
.get_string_val(
|
|
success_based_routing_configs
|
|
.params
|
|
.as_ref()
|
|
.ok_or(errors::RoutingError::SuccessBasedRoutingParamsNotFoundError)?,
|
|
);
|
|
|
|
let event_request = utils::CalSuccessRateEventRequest {
|
|
id: profile_id.get_string_repr().to_string(),
|
|
params: success_based_routing_config_params.clone(),
|
|
labels: routable_connectors
|
|
.iter()
|
|
.map(|conn_choice| conn_choice.to_string())
|
|
.collect::<Vec<_>>(),
|
|
config: success_based_routing_configs
|
|
.config
|
|
.as_ref()
|
|
.map(utils::CalSuccessRateConfigEventRequest::from),
|
|
};
|
|
|
|
let routing_events_wrapper = utils::RoutingEventsWrapper::new(
|
|
state.tenant.tenant_id.clone(),
|
|
state.request_id,
|
|
payment_id.get_string_repr().to_string(),
|
|
profile_id.to_owned(),
|
|
merchant_id.to_owned(),
|
|
"IntelligentRouter: CalculateSuccessRate".to_string(),
|
|
Some(event_request.clone()),
|
|
true,
|
|
false,
|
|
);
|
|
|
|
let closure = || async {
|
|
let success_based_connectors_result = client
|
|
.calculate_success_rate(
|
|
profile_id.get_string_repr().into(),
|
|
success_based_routing_configs,
|
|
success_based_routing_config_params,
|
|
routable_connectors,
|
|
state.get_grpc_headers(),
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::SuccessRateCalculationError)
|
|
.attach_printable(
|
|
"unable to calculate/fetch success rate from dynamic routing service",
|
|
);
|
|
|
|
match success_based_connectors_result {
|
|
Ok(success_response) => {
|
|
let updated_resp = utils::CalSuccessRateEventResponse::try_from(
|
|
&success_response,
|
|
)
|
|
.change_context(errors::RoutingError::RoutingEventsError { message: "unable to convert SuccessBasedConnectors to CalSuccessRateEventResponse".to_string(), status_code: 500 })
|
|
.attach_printable(
|
|
"unable to convert SuccessBasedConnectors to CalSuccessRateEventResponse",
|
|
)?;
|
|
|
|
Ok(Some(updated_resp))
|
|
}
|
|
Err(e) => {
|
|
logger::error!(
|
|
"unable to calculate/fetch success rate from dynamic routing service: {:?}",
|
|
e.current_context()
|
|
);
|
|
|
|
Err(error_stack::report!(
|
|
errors::RoutingError::SuccessRateCalculationError
|
|
))
|
|
}
|
|
}
|
|
};
|
|
|
|
let events_response = routing_events_wrapper
|
|
.construct_event_builder(
|
|
"SuccessRateCalculator.FetchSuccessRate".to_string(),
|
|
RoutingEngine::IntelligentRouter,
|
|
ApiMethod::Grpc,
|
|
)?
|
|
.trigger_event(state, closure)
|
|
.await?;
|
|
|
|
let success_based_connectors: utils::CalSuccessRateEventResponse = events_response
|
|
.response
|
|
.ok_or(errors::RoutingError::SuccessRateCalculationError)?;
|
|
|
|
// Need to log error case
|
|
let mut routing_event =
|
|
events_response
|
|
.event
|
|
.ok_or(errors::RoutingError::RoutingEventsError {
|
|
message:
|
|
"SR-Intelligent-Router: RoutingEvent not found in RoutingEventsResponse"
|
|
.to_string(),
|
|
status_code: 500,
|
|
})?;
|
|
|
|
routing_event.set_routing_approach(success_based_connectors.routing_approach.to_string());
|
|
|
|
let mut connectors = Vec::with_capacity(success_based_connectors.labels_with_score.len());
|
|
for label_with_score in success_based_connectors.labels_with_score {
|
|
let (connector, merchant_connector_id) = label_with_score.label
|
|
.split_once(':')
|
|
.ok_or(errors::RoutingError::InvalidSuccessBasedConnectorLabel(label_with_score.label.to_string()))
|
|
.attach_printable(
|
|
"unable to split connector_name and mca_id from the label obtained by the dynamic routing service",
|
|
)?;
|
|
connectors.push(api_routing::RoutableConnectorChoice {
|
|
choice_kind: api_routing::RoutableChoiceKind::FullStruct,
|
|
connector: common_enums::RoutableConnectors::from_str(connector)
|
|
.change_context(errors::RoutingError::GenericConversionError {
|
|
from: "String".to_string(),
|
|
to: "RoutableConnectors".to_string(),
|
|
})
|
|
.attach_printable("unable to convert String to RoutableConnectors")?,
|
|
merchant_connector_id: Some(
|
|
common_utils::id_type::MerchantConnectorAccountId::wrap(
|
|
merchant_connector_id.to_string(),
|
|
)
|
|
.change_context(errors::RoutingError::GenericConversionError {
|
|
from: "String".to_string(),
|
|
to: "MerchantConnectorAccountId".to_string(),
|
|
})
|
|
.attach_printable("unable to convert MerchantConnectorAccountId from string")?,
|
|
),
|
|
});
|
|
}
|
|
logger::debug!(success_based_routing_connectors=?connectors);
|
|
|
|
routing_event.set_status_code(200);
|
|
routing_event.set_routable_connectors(connectors.clone());
|
|
state.event_handler().log_event(&routing_event);
|
|
Ok(connectors)
|
|
} else {
|
|
Ok(routable_connectors)
|
|
}
|
|
}
|
|
|
|
/// elimination dynamic routing
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
pub async fn perform_elimination_routing(
|
|
state: &SessionState,
|
|
routable_connectors: Vec<api_routing::RoutableConnectorChoice>,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
merchant_id: &common_utils::id_type::MerchantId,
|
|
payment_id: &common_utils::id_type::PaymentId,
|
|
elimination_routing_configs_params_interpolator: routing::helpers::DynamicRoutingConfigParamsInterpolator,
|
|
elimination_algo_ref: api_routing::EliminationRoutingAlgorithm,
|
|
) -> RoutingResult<Vec<api_routing::RoutableConnectorChoice>> {
|
|
if elimination_algo_ref.enabled_feature
|
|
== api_routing::DynamicRoutingFeatures::DynamicConnectorSelection
|
|
{
|
|
logger::debug!(
|
|
"performing elimination_routing for profile {}",
|
|
profile_id.get_string_repr()
|
|
);
|
|
let client = state
|
|
.grpc_client
|
|
.dynamic_routing
|
|
.elimination_based_client
|
|
.as_ref()
|
|
.ok_or(errors::RoutingError::EliminationClientInitializationError)
|
|
.attach_printable("elimination routing's gRPC client not found")?;
|
|
|
|
let elimination_routing_config = routing::helpers::fetch_dynamic_routing_configs::<
|
|
api_routing::EliminationRoutingConfig,
|
|
>(
|
|
state,
|
|
profile_id,
|
|
elimination_algo_ref
|
|
.algorithm_id_with_timestamp
|
|
.algorithm_id
|
|
.ok_or(errors::RoutingError::GenericNotFoundError {
|
|
field: "elimination_routing_algorithm_id".to_string(),
|
|
})
|
|
.attach_printable(
|
|
"elimination_routing_algorithm_id not found in business_profile",
|
|
)?,
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::EliminationRoutingConfigError)
|
|
.attach_printable("unable to fetch elimination dynamic routing configs")?;
|
|
|
|
let elimination_routing_config_params = elimination_routing_configs_params_interpolator
|
|
.get_string_val(
|
|
elimination_routing_config
|
|
.params
|
|
.as_ref()
|
|
.ok_or(errors::RoutingError::EliminationBasedRoutingParamsNotFoundError)?,
|
|
);
|
|
|
|
let event_request = utils::EliminationRoutingEventRequest {
|
|
id: profile_id.get_string_repr().to_string(),
|
|
params: elimination_routing_config_params.clone(),
|
|
labels: routable_connectors
|
|
.iter()
|
|
.map(|conn_choice| conn_choice.to_string())
|
|
.collect::<Vec<_>>(),
|
|
config: elimination_routing_config
|
|
.elimination_analyser_config
|
|
.as_ref()
|
|
.map(utils::EliminationRoutingEventBucketConfig::from),
|
|
};
|
|
|
|
let routing_events_wrapper = utils::RoutingEventsWrapper::new(
|
|
state.tenant.tenant_id.clone(),
|
|
state.request_id,
|
|
payment_id.get_string_repr().to_string(),
|
|
profile_id.to_owned(),
|
|
merchant_id.to_owned(),
|
|
"IntelligentRouter: PerformEliminationRouting".to_string(),
|
|
Some(event_request.clone()),
|
|
true,
|
|
false,
|
|
);
|
|
|
|
let closure = || async {
|
|
let elimination_based_connectors_result = client
|
|
.perform_elimination_routing(
|
|
profile_id.get_string_repr().to_string(),
|
|
elimination_routing_config_params,
|
|
routable_connectors.clone(),
|
|
elimination_routing_config.elimination_analyser_config,
|
|
state.get_grpc_headers(),
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::EliminationRoutingCalculationError)
|
|
.attach_printable(
|
|
"unable to analyze/fetch elimination routing from dynamic routing service",
|
|
);
|
|
|
|
match elimination_based_connectors_result {
|
|
Ok(elimination_response) => Ok(Some(utils::EliminationEventResponse::from(
|
|
&elimination_response,
|
|
))),
|
|
Err(e) => {
|
|
logger::error!(
|
|
"unable to analyze/fetch elimination routing from dynamic routing service: {:?}",
|
|
e.current_context()
|
|
);
|
|
|
|
Err(error_stack::report!(
|
|
errors::RoutingError::EliminationRoutingCalculationError
|
|
))
|
|
}
|
|
}
|
|
};
|
|
|
|
let events_response = routing_events_wrapper
|
|
.construct_event_builder(
|
|
"EliminationAnalyser.GetEliminationStatus".to_string(),
|
|
RoutingEngine::IntelligentRouter,
|
|
ApiMethod::Grpc,
|
|
)?
|
|
.trigger_event(state, closure)
|
|
.await?;
|
|
|
|
let elimination_based_connectors: utils::EliminationEventResponse = events_response
|
|
.response
|
|
.ok_or(errors::RoutingError::EliminationRoutingCalculationError)?;
|
|
|
|
let mut routing_event = events_response
|
|
.event
|
|
.ok_or(errors::RoutingError::RoutingEventsError {
|
|
message:
|
|
"Elimination-Intelligent-Router: RoutingEvent not found in RoutingEventsResponse"
|
|
.to_string(),
|
|
status_code: 500,
|
|
})?;
|
|
|
|
routing_event.set_routing_approach(utils::RoutingApproach::Elimination.to_string());
|
|
|
|
let mut connectors =
|
|
Vec::with_capacity(elimination_based_connectors.labels_with_status.len());
|
|
let mut eliminated_connectors =
|
|
Vec::with_capacity(elimination_based_connectors.labels_with_status.len());
|
|
let mut non_eliminated_connectors =
|
|
Vec::with_capacity(elimination_based_connectors.labels_with_status.len());
|
|
for labels_with_status in elimination_based_connectors.labels_with_status {
|
|
let (connector, merchant_connector_id) = labels_with_status.label
|
|
.split_once(':')
|
|
.ok_or(errors::RoutingError::InvalidEliminationBasedConnectorLabel(labels_with_status.label.to_string()))
|
|
.attach_printable(
|
|
"unable to split connector_name and mca_id from the label obtained by the elimination based dynamic routing service",
|
|
)?;
|
|
|
|
let routable_connector = api_routing::RoutableConnectorChoice {
|
|
choice_kind: api_routing::RoutableChoiceKind::FullStruct,
|
|
connector: common_enums::RoutableConnectors::from_str(connector)
|
|
.change_context(errors::RoutingError::GenericConversionError {
|
|
from: "String".to_string(),
|
|
to: "RoutableConnectors".to_string(),
|
|
})
|
|
.attach_printable("unable to convert String to RoutableConnectors")?,
|
|
merchant_connector_id: Some(
|
|
common_utils::id_type::MerchantConnectorAccountId::wrap(
|
|
merchant_connector_id.to_string(),
|
|
)
|
|
.change_context(errors::RoutingError::GenericConversionError {
|
|
from: "String".to_string(),
|
|
to: "MerchantConnectorAccountId".to_string(),
|
|
})
|
|
.attach_printable("unable to convert MerchantConnectorAccountId from string")?,
|
|
),
|
|
};
|
|
|
|
if labels_with_status
|
|
.elimination_information
|
|
.is_some_and(|elimination_info| {
|
|
elimination_info
|
|
.entity
|
|
.is_some_and(|entity_info| entity_info.is_eliminated)
|
|
})
|
|
{
|
|
eliminated_connectors.push(routable_connector);
|
|
} else {
|
|
non_eliminated_connectors.push(routable_connector);
|
|
}
|
|
connectors.extend(non_eliminated_connectors.clone());
|
|
connectors.extend(eliminated_connectors.clone());
|
|
}
|
|
logger::debug!(dynamic_eliminated_connectors=?eliminated_connectors);
|
|
logger::debug!(dynamic_elimination_based_routing_connectors=?connectors);
|
|
|
|
routing_event.set_status_code(200);
|
|
routing_event.set_routable_connectors(connectors.clone());
|
|
state.event_handler().log_event(&routing_event);
|
|
Ok(connectors)
|
|
} else {
|
|
Ok(routable_connectors)
|
|
}
|
|
}
|
|
|
|
#[cfg(all(feature = "v1", feature = "dynamic_routing"))]
|
|
pub async fn perform_contract_based_routing(
|
|
state: &SessionState,
|
|
routable_connectors: Vec<api_routing::RoutableConnectorChoice>,
|
|
profile_id: &common_utils::id_type::ProfileId,
|
|
merchant_id: &common_utils::id_type::MerchantId,
|
|
payment_id: &common_utils::id_type::PaymentId,
|
|
_dynamic_routing_config_params_interpolator: routing::helpers::DynamicRoutingConfigParamsInterpolator,
|
|
contract_based_algo_ref: api_routing::ContractRoutingAlgorithm,
|
|
) -> RoutingResult<Vec<api_routing::RoutableConnectorChoice>> {
|
|
if contract_based_algo_ref.enabled_feature
|
|
== api_routing::DynamicRoutingFeatures::DynamicConnectorSelection
|
|
{
|
|
logger::debug!(
|
|
"performing contract_based_routing for profile {}",
|
|
profile_id.get_string_repr()
|
|
);
|
|
let client = state
|
|
.grpc_client
|
|
.dynamic_routing
|
|
.contract_based_client
|
|
.as_ref()
|
|
.ok_or(errors::RoutingError::ContractRoutingClientInitializationError)
|
|
.attach_printable("contract routing gRPC client not found")?;
|
|
|
|
let contract_based_routing_configs = routing::helpers::fetch_dynamic_routing_configs::<
|
|
api_routing::ContractBasedRoutingConfig,
|
|
>(
|
|
state,
|
|
profile_id,
|
|
contract_based_algo_ref
|
|
.algorithm_id_with_timestamp
|
|
.algorithm_id
|
|
.ok_or(errors::RoutingError::GenericNotFoundError {
|
|
field: "contract_based_routing_algorithm_id".to_string(),
|
|
})
|
|
.attach_printable("contract_based_routing_algorithm_id not found in profile_id")?,
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::ContractBasedRoutingConfigError)
|
|
.attach_printable("unable to fetch contract based dynamic routing configs")?;
|
|
|
|
let label_info = contract_based_routing_configs
|
|
.label_info
|
|
.clone()
|
|
.ok_or(errors::RoutingError::ContractBasedRoutingConfigError)
|
|
.attach_printable("Label information not found in contract routing configs")?;
|
|
|
|
let contract_based_connectors = routable_connectors
|
|
.clone()
|
|
.into_iter()
|
|
.filter(|conn| {
|
|
label_info
|
|
.iter()
|
|
.any(|info| Some(info.mca_id.clone()) == conn.merchant_connector_id.clone())
|
|
})
|
|
.collect::<Vec<_>>();
|
|
|
|
let mut other_connectors = routable_connectors
|
|
.into_iter()
|
|
.filter(|conn| {
|
|
label_info
|
|
.iter()
|
|
.all(|info| Some(info.mca_id.clone()) != conn.merchant_connector_id.clone())
|
|
})
|
|
.collect::<Vec<_>>();
|
|
|
|
let event_request = utils::CalContractScoreEventRequest {
|
|
id: profile_id.get_string_repr().to_string(),
|
|
params: "".to_string(),
|
|
labels: contract_based_connectors
|
|
.iter()
|
|
.map(|conn_choice| conn_choice.to_string())
|
|
.collect::<Vec<_>>(),
|
|
config: Some(contract_based_routing_configs.clone()),
|
|
};
|
|
|
|
let routing_events_wrapper = utils::RoutingEventsWrapper::new(
|
|
state.tenant.tenant_id.clone(),
|
|
state.request_id,
|
|
payment_id.get_string_repr().to_string(),
|
|
profile_id.to_owned(),
|
|
merchant_id.to_owned(),
|
|
"IntelligentRouter: PerformContractRouting".to_string(),
|
|
Some(event_request.clone()),
|
|
true,
|
|
false,
|
|
);
|
|
|
|
let closure = || async {
|
|
let contract_based_connectors_result = client
|
|
.calculate_contract_score(
|
|
profile_id.get_string_repr().into(),
|
|
contract_based_routing_configs.clone(),
|
|
"".to_string(),
|
|
contract_based_connectors,
|
|
state.get_grpc_headers(),
|
|
)
|
|
.await
|
|
.attach_printable(
|
|
"unable to calculate/fetch contract score from dynamic routing service",
|
|
);
|
|
|
|
let contract_based_connectors = match contract_based_connectors_result {
|
|
Ok(resp) => Some(utils::CalContractScoreEventResponse::from(&resp)),
|
|
Err(err) => match err.current_context() {
|
|
DynamicRoutingError::ContractNotFound => {
|
|
client
|
|
.update_contracts(
|
|
profile_id.get_string_repr().into(),
|
|
label_info,
|
|
"".to_string(),
|
|
vec![],
|
|
u64::default(),
|
|
state.get_grpc_headers(),
|
|
)
|
|
.await
|
|
.change_context(errors::RoutingError::ContractScoreUpdationError)
|
|
.attach_printable(
|
|
"unable to update contract based routing window in dynamic routing service",
|
|
)?;
|
|
return Err((errors::RoutingError::ContractScoreCalculationError {
|
|
err: err.to_string(),
|
|
})
|
|
.into());
|
|
}
|
|
_ => {
|
|
return Err((errors::RoutingError::ContractScoreCalculationError {
|
|
err: err.to_string(),
|
|
})
|
|
.into())
|
|
}
|
|
},
|
|
};
|
|
|
|
Ok(contract_based_connectors)
|
|
};
|
|
|
|
let events_response = routing_events_wrapper
|
|
.construct_event_builder(
|
|
"ContractScoreCalculator.FetchContractScore".to_string(),
|
|
RoutingEngine::IntelligentRouter,
|
|
ApiMethod::Grpc,
|
|
)?
|
|
.trigger_event(state, closure)
|
|
.await?;
|
|
|
|
let contract_based_connectors: utils::CalContractScoreEventResponse = events_response
|
|
.response
|
|
.ok_or(errors::RoutingError::ContractScoreCalculationError {
|
|
err: "CalContractScoreEventResponse not found".to_string(),
|
|
})?;
|
|
|
|
let mut routing_event = events_response
|
|
.event
|
|
.ok_or(errors::RoutingError::RoutingEventsError {
|
|
message:
|
|
"ContractRouting-Intelligent-Router: RoutingEvent not found in RoutingEventsResponse"
|
|
.to_string(),
|
|
status_code: 500,
|
|
})?;
|
|
|
|
let mut connectors = Vec::with_capacity(contract_based_connectors.labels_with_score.len());
|
|
|
|
for label_with_score in contract_based_connectors.labels_with_score {
|
|
let (connector, merchant_connector_id) = label_with_score.label
|
|
.split_once(':')
|
|
.ok_or(errors::RoutingError::InvalidContractBasedConnectorLabel(label_with_score.label.to_string()))
|
|
.attach_printable(
|
|
"unable to split connector_name and mca_id from the label obtained by the dynamic routing service",
|
|
)?;
|
|
|
|
connectors.push(api_routing::RoutableConnectorChoice {
|
|
choice_kind: api_routing::RoutableChoiceKind::FullStruct,
|
|
connector: common_enums::RoutableConnectors::from_str(connector)
|
|
.change_context(errors::RoutingError::GenericConversionError {
|
|
from: "String".to_string(),
|
|
to: "RoutableConnectors".to_string(),
|
|
})
|
|
.attach_printable("unable to convert String to RoutableConnectors")?,
|
|
merchant_connector_id: Some(
|
|
common_utils::id_type::MerchantConnectorAccountId::wrap(
|
|
merchant_connector_id.to_string(),
|
|
)
|
|
.change_context(errors::RoutingError::GenericConversionError {
|
|
from: "String".to_string(),
|
|
to: "MerchantConnectorAccountId".to_string(),
|
|
})
|
|
.attach_printable("unable to convert MerchantConnectorAccountId from string")?,
|
|
),
|
|
});
|
|
}
|
|
|
|
connectors.append(&mut other_connectors);
|
|
|
|
logger::debug!(contract_based_routing_connectors=?connectors);
|
|
|
|
routing_event.set_status_code(200);
|
|
routing_event.set_routable_connectors(connectors.clone());
|
|
state.event_handler().log_event(&routing_event);
|
|
Ok(connectors)
|
|
} else {
|
|
Ok(routable_connectors)
|
|
}
|
|
}
|