feat: lighter handler (#89)

<!--- Provide a general summary of your changes in the Title above -->

## Description
<!--- Describe your changes in detail -->

## Related Issue Or Context
<!--- If suggesting a new feature or change, please discuss it in an
issue first -->
<!--- If fixing a bug, there should be an issue describing it with steps
to reproduce -->
<!--- Otherwise, describe context and motivation for change herre -->

Closes: #88 

## How Has This Been Tested? Testing details.
<!--- Please describe in detail how you tested your changes. -->
<!--- Include details of your testing environment, and the tests you ran
to -->
<!--- see how your change affects other areas of the code, etc. -->

## Types of changes
<!--- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation

## Checklist:
<!--- Go over all the following points, and put an `x` in all the boxes
that apply. -->
<!--- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
- [ ] I have commented my code, particularly in hard-to-understand
areas.
- [ ] I have ensured that all acceptance criteria (or expected behavior)
from issue are met
- [ ] I have updated the documentation locally and in docs.
- [ ] I have added tests to cover my changes.
- [ ] I have ensured that all the checks are passing and green, I've
signed the CLA bot

Author: mpetrun5

Makefile

@@ -42,6 +42,7 @@ genmocks:
 	mockgen -source=./chains/evm/message/confirmations.go -destination=./chains/evm/message/mock/confirmations.go
 	mockgen -source=./api/handlers/signing.go -destination=./api/handlers/mock/signing.go
 	mockgen -package mock_message -destination=./chains/evm/message/mock/pricing.go github.com/sprintertech/lifi-solver/pkg/pricing OrderPricer
+	mockgen -source=./chains/lighter/message/lighter.go -destination=./chains/lighter/message/mock/lighter.go
 
 
 

api/handlers/signing.go

@@ -11,6 +11,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/gorilla/mux"
 	evmMessage "github.com/sprintertech/sprinter-signing/chains/evm/message"
+	lighterMessage "github.com/sprintertech/sprinter-signing/chains/lighter/message"
 	"github.com/sygmaprotocol/sygma-core/relayer/message"
 )
 
@@ -20,8 +21,9 @@ const (
 	AcrossProtocol     ProtocolType = "across"
 	MayanProtocol      ProtocolType = "mayan"
 	RhinestoneProtocol ProtocolType = "rhinestone"
-	LifiEscrow         ProtocolType = "lifi-escrow"
+	LifiEscrowProtocol ProtocolType = "lifi-escrow"
 	LifiProtocol       ProtocolType = "lifi"
+	LighterProtocol    ProtocolType = "lighter"
 )
 
 type SigningBody struct {
@@ -113,7 +115,7 @@ func (h *SigningHandler) HandleSigning(w http.ResponseWriter, r *http.Request) {
 				BorrowAmount:  b.BorrowAmount.Int,
 			})
 		}
-	case LifiEscrow:
+	case LifiEscrowProtocol:
 		{
 			m = evmMessage.NewLifiEscrowData(0, b.ChainId, &evmMessage.LifiEscrowData{
 				OrderID:       b.DepositId,
@@ -126,6 +128,19 @@ func (h *SigningHandler) HandleSigning(w http.ResponseWriter, r *http.Request) {
 				BorrowAmount:  b.BorrowAmount.Int,
 			})
 		}
+	case LighterProtocol:
+		{
+			m = lighterMessage.NewLighterMessage(0, b.ChainId, &lighterMessage.LighterData{
+				OrderHash:     b.DepositId,
+				Nonce:         b.Nonce.Int,
+				LiquidityPool: common.HexToAddress(b.LiquidityPool),
+				Caller:        common.HexToAddress(b.Caller),
+				BorrowAmount:  b.BorrowAmount.Int,
+				ErrChn:        errChn,
+				Source:        0,
+				Destination:   b.ChainId,
+			})
+		}
 	default:
 		JSONError(w, fmt.Errorf("invalid protocol %s", b.Protocol), http.StatusBadRequest)
 		return

api/handlers/signing_test.go

@@ -16,6 +16,7 @@ import (
 	"github.com/sprintertech/sprinter-signing/api/handlers"
 	mock_handlers "github.com/sprintertech/sprinter-signing/api/handlers/mock"
 	across "github.com/sprintertech/sprinter-signing/chains/evm/message"
+	lighter "github.com/sprintertech/sprinter-signing/chains/lighter/message"
 	"github.com/stretchr/testify/suite"
 	"github.com/sygmaprotocol/sygma-core/relayer/message"
 	"go.uber.org/mock/gomock"
@@ -394,6 +395,40 @@ func (s *SigningHandlerTestSuite) Test_HandleSigning_LifiSuccess() {
 	s.Equal(http.StatusAccepted, recorder.Code)
 }
 
+func (s *SigningHandlerTestSuite) Test_HandleSigning_LighterSuccess() {
+	msgChn := make(chan []*message.Message)
+	handler := handlers.NewSigningHandler(msgChn, s.chains)
+
+	input := handlers.SigningBody{
+		DepositId:     "depositID",
+		Protocol:      "lighter",
+		LiquidityPool: "0xbe526bA5d1ad94cC59D7A79d99A59F607d31A657",
+		Caller:        "0xbe526bA5d1ad94cC59D7A79d99A59F607d31A657",
+		Calldata:      "0xbe5",
+		Nonce:         &handlers.BigInt{big.NewInt(1001)},
+		BorrowAmount:  &handlers.BigInt{big.NewInt(1000)},
+	}
+	body, _ := json.Marshal(input)
+
+	req := httptest.NewRequest(http.MethodPost, "/v1/chains/1/signatures", bytes.NewReader(body))
+	req = mux.SetURLVars(req, map[string]string{
+		"chainId": "1",
+	})
+	req.Header.Set("Content-Type", "application/json")
+
+	recorder := httptest.NewRecorder()
+
+	go func() {
+		msg := <-msgChn
+		ad := msg[0].Data.(*lighter.LighterData)
+		ad.ErrChn <- nil
+	}()
+
+	handler.HandleSigning(recorder, req)
+
+	s.Equal(http.StatusAccepted, recorder.Code)
+}
+
 type StatusHandlerTestSuite struct {
 	suite.Suite
 

app/app.go

@@ -32,6 +32,9 @@ import (
 	"github.com/sprintertech/sprinter-signing/chains/evm/calls/events"
 	evmListener "github.com/sprintertech/sprinter-signing/chains/evm/listener"
 	evmMessage "github.com/sprintertech/sprinter-signing/chains/evm/message"
+	"github.com/sprintertech/sprinter-signing/chains/lighter"
+	lighterMessage "github.com/sprintertech/sprinter-signing/chains/lighter/message"
+	"github.com/sprintertech/sprinter-signing/comm"
 	"github.com/sprintertech/sprinter-signing/comm/elector"
 	"github.com/sprintertech/sprinter-signing/comm/p2p"
 	"github.com/sprintertech/sprinter-signing/config"
@@ -42,6 +45,7 @@ import (
 	"github.com/sprintertech/sprinter-signing/price"
 	"github.com/sprintertech/sprinter-signing/protocol/across"
 	"github.com/sprintertech/sprinter-signing/protocol/lifi"
+	lighterAPI "github.com/sprintertech/sprinter-signing/protocol/lighter"
 	"github.com/sprintertech/sprinter-signing/protocol/mayan"
 	"github.com/sprintertech/sprinter-signing/topology"
 	"github.com/sprintertech/sprinter-signing/tss"
@@ -254,7 +258,7 @@ func Run() error {
 						sigChn)
 					go acrossMh.Listen(ctx)
 
-					mh.RegisterMessageHandler(evmMessage.AcrossMessage, acrossMh)
+					mh.RegisterMessageHandler(message.MessageType(comm.AcrossMsg.String()), acrossMh)
 					supportedChains[*c.GeneralChainConfig.Id] = struct{}{}
 					confirmationsPerChain[*c.GeneralChainConfig.Id] = c.ConfirmationsByValue
 				}
@@ -278,7 +282,7 @@ func Run() error {
 						sigChn)
 					go mayanMh.Listen(ctx)
 
-					mh.RegisterMessageHandler(evmMessage.MayanMessage, mayanMh)
+					mh.RegisterMessageHandler(message.MessageType(comm.MayanMsg.String()), mayanMh)
 					supportedChains[*c.GeneralChainConfig.Id] = struct{}{}
 					confirmationsPerChain[*c.GeneralChainConfig.Id] = c.ConfirmationsByValue
 				}
@@ -291,7 +295,7 @@ func Run() error {
 					resolver := token.NewTokenResolver(solverConfig, usdPricer)
 					orderPricer := pricing.NewStandardPricer(resolver)
 					lifiApi := lifi.NewLifiAPI()
-					lifiValidator := validation.NewLifiEscrowOrderValidator(solverConfig, orderPricer)
+					lifiValidator := validation.NewLifiEscrowOrderValidator(solverConfig, orderPricer, resolver)
 
 					lifiMh := evmMessage.NewLifiEscrowMessageHandler(
 						*c.GeneralChainConfig.Id,
@@ -309,7 +313,7 @@ func Run() error {
 						sigChn,
 					)
 					go lifiMh.Listen(ctx)
-					mh.RegisterMessageHandler(evmMessage.LifiEscrowMessage, lifiMh)
+					mh.RegisterMessageHandler(message.MessageType(comm.LifiEscrowMsg.String()), lifiMh)
 					supportedChains[*c.GeneralChainConfig.Id] = struct{}{}
 					confirmationsPerChain[*c.GeneralChainConfig.Id] = c.ConfirmationsByValue
 				}
@@ -323,7 +327,7 @@ func Run() error {
 					keyshareStore,
 				)
 				go lifiUnlockMh.Listen(ctx)
-				mh.RegisterMessageHandler(evmMessage.LifiUnlockMessage, lifiUnlockMh)
+				mh.RegisterMessageHandler(message.MessageType(comm.LifiUnlockMsg.String()), lifiUnlockMh)
 
 				var startBlock *big.Int
 				var listener *coreListener.EVMListener
@@ -349,6 +353,24 @@ func Run() error {
 		}
 	}
 
+	lighterConfig, err := lighter.NewLighterConfig(*solverConfig)
+	panicOnError(err)
+	lighterAPI := lighterAPI.NewLighterAPI()
+	lighterMessageHandler := lighterMessage.NewLighterMessageHandler(
+		lighterConfig.WithdrawalAddress,
+		lighterConfig.UsdcAddress,
+		lighterConfig.RepaymentAddress,
+		lighterAPI,
+		coordinator,
+		host,
+		communication,
+		keyshareStore,
+		sigChn,
+	)
+	go lighterMessageHandler.Listen(ctx)
+	lighterChain := lighter.NewLighterChain(lighterMessageHandler)
+	domains[lighter.LIGHTER_DOMAIN_ID] = lighterChain
+
 	go jobs.StartCommunicationHealthCheckJob(host, configuration.RelayerConfig.MpcConfig.CommHealthCheckInterval, sygmaMetrics)
 
 	r := relayer.NewRelayer(domains, sygmaMetrics)

chains/evm/calls/consts/lighter.go

@@ -0,0 +1,19 @@
+package consts
+
+import (
+	"strings"
+
+	"github.com/ethereum/go-ethereum/accounts/abi"
+)
+
+var LighterABI, _ = abi.JSON(strings.NewReader(`[{
+  "name": "withdraw",
+  "type": "function",
+  "stateMutability": "nonpayable",
+  "inputs": [
+    {"name": "txHash", "type": "bytes32"},
+    {"name": "toAddress", "type": "address"},
+    {"name": "amount", "type": "uint256"}
+  ],
+  "outputs": []
+}]`))

chains/evm/message/across.go

@@ -14,6 +14,7 @@ import (
 	"github.com/libp2p/go-libp2p/core/peer"
 	"github.com/rs/zerolog/log"
 	"github.com/sprintertech/sprinter-signing/chains/evm/calls/events"
+	"github.com/sprintertech/sprinter-signing/chains/evm/signature"
 	"github.com/sprintertech/sprinter-signing/comm"
 	"github.com/sprintertech/sprinter-signing/tss"
 	"github.com/sprintertech/sprinter-signing/tss/ecdsa/signing"
@@ -141,7 +142,7 @@ func (h *AcrossMessageHandler) HandleMessage(m *message.Message) (*proposal.Prop
 		return nil, err
 	}
 
-	unlockHash, err := borrowUnlockHash(
+	unlockHash, err := signature.BorrowUnlockHash(
 		calldata,
 		d.OutputAmount,
 		common.BytesToAddress(d.OutputToken[12:]),

chains/evm/message/lifiEscrow.go

@@ -13,6 +13,7 @@ import (
 	"github.com/libp2p/go-libp2p/core/peer"
 	"github.com/rs/zerolog/log"
 	"github.com/sprintertech/sprinter-signing/chains/evm/calls/consts"
+	"github.com/sprintertech/sprinter-signing/chains/evm/signature"
 	"github.com/sprintertech/sprinter-signing/comm"
 	"github.com/sprintertech/sprinter-signing/config"
 	"github.com/sprintertech/sprinter-signing/tss"
@@ -150,7 +151,7 @@ func (h *LifiEscrowMessageHandler) HandleMessage(m *message.Message) (*proposal.
 		big.NewInt(order.Order.FillDeadline.Unix()).Uint64(),
 	)
 
-	unlockHash, err := borrowUnlockHash(
+	unlockHash, err := signature.BorrowUnlockHash(
 		calldata,
 		data.BorrowAmount,
 		borrowToken,

chains/evm/message/mayan.go

@@ -12,6 +12,7 @@ import (
 	"github.com/libp2p/go-libp2p/core/peer"
 	"github.com/rs/zerolog/log"
 	"github.com/sprintertech/sprinter-signing/chains/evm/calls/contracts"
+	"github.com/sprintertech/sprinter-signing/chains/evm/signature"
 	"github.com/sprintertech/sprinter-signing/comm"
 	"github.com/sprintertech/sprinter-signing/config"
 	"github.com/sprintertech/sprinter-signing/protocol/mayan"
@@ -160,7 +161,7 @@ func (h *MayanMessageHandler) HandleMessage(m *message.Message) (*proposal.Propo
 
 	data.ErrChn <- nil
 
-	unlockHash, err := borrowUnlockHash(
+	unlockHash, err := signature.BorrowUnlockHash(
 		calldataBytes,
 		data.BorrowAmount,
 		destinationBorrowToken.Address,