Add lighter config

Author: mpetrun5

chains/lighter/config.go

@@ -0,0 +1,43 @@
+package lighter
+
+import (
+	"fmt"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	solverConfig "github.com/sprintertech/solver-config/go/config"
+)
+
+var (
+	ARBITRUM_CHAIN_ID = big.NewInt(42161)
+	LIGHTER_CAIP      = "lighter:1"
+	ARBITRUM_CAIP     = "eip155:42161"
+	USDC              = "usdc"
+)
+
+type LighterConfig struct {
+	WithdrawalAddress common.Address
+	UsdcAddress       common.Address
+}
+
+func NewLighterConfig(solverConfig solverConfig.SolverConfig) (*LighterConfig, error) {
+	arbitrumConfig, ok := solverConfig.Chains[ARBITRUM_CAIP]
+	if !ok {
+		return nil, fmt.Errorf("no solver config for id %s", ARBITRUM_CAIP)
+	}
+
+	usdcConfig, ok := arbitrumConfig.Tokens[USDC]
+	if !ok {
+		return nil, fmt.Errorf("usdc not configured")
+	}
+
+	withdrawalAddress, ok := solverConfig.ProtocolsMetadata.Lighter.FastWithdrawalContract[ARBITRUM_CAIP]
+	if !ok {
+		return nil, fmt.Errorf("withdrawal address not configured")
+	}
+
+	return &LighterConfig{
+		WithdrawalAddress: common.HexToAddress(withdrawalAddress),
+		UsdcAddress:       common.HexToAddress(usdcConfig.Address),
+	}, nil
+}

chains/lighter/config_test.go

@@ -0,0 +1,95 @@
+// The Licensed Work is (c) 2022 Sygma
+// SPDX-License-Identifier: LGPL-3.0-only
+
+package lighter_test
+
+import (
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	solverConfig "github.com/sprintertech/solver-config/go/config"
+	"github.com/sprintertech/sprinter-signing/chains/lighter"
+	"github.com/stretchr/testify/suite"
+)
+
+type NewLighterConfigTestSuite struct {
+	suite.Suite
+}
+
+func TestRunNewLighterConfigTestSuite(t *testing.T) {
+	suite.Run(t, new(NewLighterConfigTestSuite))
+}
+
+func (s *NewLighterConfigTestSuite) Test_ArbitrumNotConfigured() {
+	solverChains := make(map[string]solverConfig.Chain)
+	_, err := lighter.NewLighterConfig(solverConfig.SolverConfig{
+		Chains:            solverChains,
+		ProtocolsMetadata: solverConfig.ProtocolsMetadata{},
+	})
+
+	s.NotNil(err)
+}
+
+func (s *NewLighterConfigTestSuite) Test_UsdcNotConfigured() {
+	solverChains := make(map[string]solverConfig.Chain)
+	solverChains["eip155:42161"] = solverConfig.Chain{}
+
+	_, err := lighter.NewLighterConfig(solverConfig.SolverConfig{
+		Chains:            solverChains,
+		ProtocolsMetadata: solverConfig.ProtocolsMetadata{},
+	})
+
+	s.NotNil(err)
+}
+
+func (s *NewLighterConfigTestSuite) Test_WithdrawalAddressNotConfigured() {
+	tokens := make(map[string]solverConfig.Token)
+	tokens["usdc"] = solverConfig.Token{
+		Address:  "address",
+		Decimals: 6,
+	}
+
+	solverChains := make(map[string]solverConfig.Chain)
+	solverChains["eip155:42161"] = solverConfig.Chain{
+		Tokens: tokens,
+	}
+
+	_, err := lighter.NewLighterConfig(solverConfig.SolverConfig{
+		Chains: solverChains,
+		ProtocolsMetadata: solverConfig.ProtocolsMetadata{
+			Lighter: &solverConfig.Lighter{},
+		},
+	})
+
+	s.NotNil(err)
+}
+
+func (s *NewLighterConfigTestSuite) Test_ValidConfig() {
+	tokens := make(map[string]solverConfig.Token)
+	tokens["usdc"] = solverConfig.Token{
+		Address:  "usdc",
+		Decimals: 6,
+	}
+
+	solverChains := make(map[string]solverConfig.Chain)
+	solverChains["eip155:42161"] = solverConfig.Chain{
+		Tokens: tokens,
+	}
+
+	config, err := lighter.NewLighterConfig(solverConfig.SolverConfig{
+		Chains: solverChains,
+		ProtocolsMetadata: solverConfig.ProtocolsMetadata{
+			Lighter: &solverConfig.Lighter{
+				FastWithdrawalContract: map[string]string{
+					"eip155:42161": "withdrawal",
+				},
+			},
+		},
+	})
+
+	s.Nil(err)
+	s.Equal(config, &lighter.LighterConfig{
+		WithdrawalAddress: common.HexToAddress("withdrawal"),
+		UsdcAddress:       common.HexToAddress("usdc"),
+	})
+}

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/viper v1.9.0
 	github.com/sprintertech/lifi-solver v0.0.0-20251010142703-ff6f20f8b6eb
-	github.com/sprintertech/solver-config/go v0.0.0-20251003113310-77bd6669a2ef
+	github.com/sprintertech/solver-config/go v0.0.0-20251024140304-ee77ffefd608
 	github.com/stretchr/testify v1.10.0
 	github.com/sygmaprotocol/sygma-core v0.0.0-20250304150334-bd39ac4f7b82
 	go.opentelemetry.io/otel v1.16.0

go.sum

@@ -946,6 +946,8 @@ github.com/sprintertech/lifi-solver v0.0.0-20251010142703-ff6f20f8b6eb h1:d87LBM
 github.com/sprintertech/lifi-solver v0.0.0-20251010142703-ff6f20f8b6eb/go.mod h1:EbAH3JJxioBVuHvyjaP5zTh6uPmumCpbE93WEjwpRm0=
 github.com/sprintertech/solver-config/go v0.0.0-20251003113310-77bd6669a2ef h1:WPyHT8WM/f5rRFmzxeuTvuI6MCqM7wvTeBsW/B7y3lk=
 github.com/sprintertech/solver-config/go v0.0.0-20251003113310-77bd6669a2ef/go.mod h1:MrIGW6M815PSYKtWSeOd1Z7eiSeOIk/uA/6E2PhlQVQ=
+github.com/sprintertech/solver-config/go v0.0.0-20251024140304-ee77ffefd608 h1:J5RxJUhqMGfoIUb8XnSjDBlUMH658nM9NIjXft+DjkA=
+github.com/sprintertech/solver-config/go v0.0.0-20251024140304-ee77ffefd608/go.mod h1:MrIGW6M815PSYKtWSeOd1Z7eiSeOIk/uA/6E2PhlQVQ=
 github.com/status-im/keycard-go v0.0.0-20190316090335-8537d3370df4/go.mod h1:RZLeN1LMWmRsyYjvAu+I6Dm9QmlDaIIt+Y+4Kd7Tp+Q=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=