feat: refactor to handle multiple atlas versions

Makefile

@@ -5,8 +5,24 @@ test:
 	$(GOTEST) --timeout 5m $(TESTALL)
 
 contracts-bindings:
-	abigen --abi ./contract/atlas/abi.json --pkg atlas --type Atlas --out ./contract/atlas/atlas.go
-	abigen --abi ./contract/atlasverification/abi.json --pkg atlasverification --type AtlasVerification --out ./contract/atlasverification/atlasverification.go
+	abigen --abi ./contract/atlas/1.0/abi.json --pkg atlas_1_0 --type Atlas --out ./contract/atlas/1.0/atlas.go
+	abigen --abi ./contract/atlas/1.1/abi.json --pkg atlas_1_1 --type Atlas --out ./contract/atlas/1.1/atlas.go
+	abigen --abi ./contract/atlas/1.2/abi.json --pkg atlas_1_2 --type Atlas --out ./contract/atlas/1.2/atlas.go
+	abigen --abi ./contract/atlas/1.3/abi.json --pkg atlas_1_3 --type Atlas --out ./contract/atlas/1.3/atlas.go
+
+	abigen --abi ./contract/atlasverification/1.0/abi.json --pkg atlasverification_1_0 --type AtlasVerification --out ./contract/atlasverification/1.0/atlasverification.go
+	abigen --abi ./contract/atlasverification/1.1/abi.json --pkg atlasverification_1_1 --type AtlasVerification --out ./contract/atlasverification/1.1/atlasverification.go
+	abigen --abi ./contract/atlasverification/1.2/abi.json --pkg atlasverification_1_2 --type AtlasVerification --out ./contract/atlasverification/1.2/atlasverification.go
+	abigen --abi ./contract/atlasverification/1.3/abi.json --pkg atlasverification_1_3 --type AtlasVerification --out ./contract/atlasverification/1.3/atlasverification.go
+
+	abigen --abi ./contract/simulator/1.0/abi.json --pkg simulator_1_0 --type Simulator --out ./contract/simulator/1.0/simulator.go
+	abigen --abi ./contract/simulator/1.1/abi.json --pkg simulator_1_1 --type Simulator --out ./contract/simulator/1.1/simulator.go
+	abigen --abi ./contract/simulator/1.2/abi.json --pkg simulator_1_2 --type Simulator --out ./contract/simulator/1.2/simulator.go
+	abigen --abi ./contract/simulator/1.3/abi.json --pkg simulator_1_3 --type Simulator --out ./contract/simulator/1.3/simulator.go
+
+	abigen --abi ./contract/sorter/1.0/abi.json --pkg sorter_1_0 --type Sorter --out ./contract/sorter/1.0/sorter.go
+	abigen --abi ./contract/sorter/1.1/abi.json --pkg sorter_1_1 --type Sorter --out ./contract/sorter/1.1/sorter.go
+	abigen --abi ./contract/sorter/1.2/abi.json --pkg sorter_1_2 --type Sorter --out ./contract/sorter/1.2/sorter.go
+	abigen --abi ./contract/sorter/1.3/abi.json --pkg sorter_1_3 --type Sorter --out ./contract/sorter/1.3/sorter.go
+
 	abigen --abi ./contract/dappcontrol/abi.json --pkg dappcontrol --type DAppControl --out ./contract/dappcontrol/dappcontrol.go
-	abigen --abi ./contract/simulator/abi.json --pkg simulator --type Simulator --out ./contract/simulator/simulator.go
-	abigen --abi ./contract/sorter/abi.json --pkg sorter --type Sorter --out ./contract/sorter/sorter.go

config/chain.go

@@ -22,11 +22,21 @@ type ChainConfig struct {
 	Eip712Domain *apitypes.TypedDataDomain `json:"eip712Domain"`
 }
 
+const (
+	AtlasV_1_0   = "1.0"
+	AtlasV_1_1   = "1.1"
+	AtlasV_1_2   = "1.2"
+	AtlasV_1_3   = "1.3"
+	AtlasVLatest = AtlasV_1_3
+)
+
 var (
 	DEFAULT_MULTICALL3 = common.HexToAddress("0xcA11bde05977b3631167028862bE2a173976CA11")
-	chainConfig        = map[uint64]*ChainConfig{}
+	chainConfig        = map[uint64]map[string]*ChainConfig{} // Indexed by [chainId][atlasVersion]
 	initOnce           sync.Once
 	mu                 sync.RWMutex
+
+	allVersions = []string{AtlasV_1_0, AtlasV_1_1, AtlasV_1_2, AtlasV_1_3}
 )
 
 func initChainConfig() error {
@@ -60,22 +70,39 @@ func initChainConfig() error {
 	return initErr
 }
 
-func GetChainConfig(chainId uint64) (*ChainConfig, error) {
+func GetAllVersions() []string {
+	v := make([]string, len(allVersions))
+	copy(v, allVersions)
+	return v
+}
+
+func GetVersion(version *string) string {
+	if version == nil {
+		return AtlasVLatest
+	}
+
+	return *version
+}
+
+func GetChainConfig(chainId uint64, version *string) (*ChainConfig, error) {
 	if err := initChainConfig(); err != nil {
 		return nil, err
 	}
 
+	v := GetVersion(version)
+
 	mu.RLock()
 	defer mu.RUnlock()
 
-	if chainConfig[chainId] == nil {
-		return nil, fmt.Errorf("chain config not found for chain id %d", chainId)
+	_chainConfig, ok := chainConfig[chainId][v]
+	if !ok {
+		return nil, fmt.Errorf("chain config not found for chain id %d and version %s", chainId, v)
 	}
 
-	return chainConfig[chainId], nil
+	return _chainConfig, nil
 }
 
-func OverrideChainConfig(chainId uint64, config *ChainConfig) error {
+func OverrideChainConfig(chainId uint64, version *string, config *ChainConfig) error {
 	if config.Contract == nil {
 		return errors.New("contract config is required")
 	}
@@ -120,60 +147,66 @@ func OverrideChainConfig(chainId uint64, config *ChainConfig) error {
 		return errors.New("eip712 domain verifying contract is invalid")
 	}
 
+	v := GetVersion(version)
+
 	mu.Lock()
 	defer mu.Unlock()
 
-	chainConfig[chainId] = config
+	if chainConfig[chainId] == nil {
+		chainConfig[chainId] = make(map[string]*ChainConfig)
+	}
+
+	chainConfig[chainId][v] = config
 	return nil
 }
 
-func GetAtlasAddress(chainId uint64) (common.Address, error) {
-	chainConf, err := GetChainConfig(chainId)
+func GetAtlasAddress(chainId uint64, version *string) (common.Address, error) {
+	chainConf, err := GetChainConfig(chainId, version)
 	if err != nil {
 		return common.Address{}, err
 	}
 
 	return chainConf.Contract.Atlas, nil
 }
 
-func GetAtlasVerificationAddress(chainId uint64) (common.Address, error) {
-	chainConf, err := GetChainConfig(chainId)
+func GetAtlasVerificationAddress(chainId uint64, version *string) (common.Address, error) {
+	chainConf, err := GetChainConfig(chainId, version)
 	if err != nil {
 		return common.Address{}, err
 	}
 
 	return chainConf.Contract.AtlasVerification, nil
 }
 
-func GetSorterAddress(chainId uint64) (common.Address, error) {
-	chainConf, err := GetChainConfig(chainId)
+func GetSorterAddress(chainId uint64, version *string) (common.Address, error) {
+	chainConf, err := GetChainConfig(chainId, version)
 	if err != nil {
 		return common.Address{}, err
 	}
 
 	return chainConf.Contract.Sorter, nil
 }
 
-func GetSimulatorAddress(chainId uint64) (common.Address, error) {
-	chainConf, err := GetChainConfig(chainId)
+func GetSimulatorAddress(chainId uint64, version *string) (common.Address, error) {
+	chainConf, err := GetChainConfig(chainId, version)
 	if err != nil {
 		return common.Address{}, err
 	}
 
 	return chainConf.Contract.Simulator, nil
 }
 
-func GetMulticall3Address(chainId uint64) (common.Address, error) {
-	chainConf, err := GetChainConfig(chainId)
+func GetMulticall3Address(chainId uint64, version *string) (common.Address, error) {
+	chainConf, err := GetChainConfig(chainId, version)
 	if err != nil {
 		return common.Address{}, err
 	}
 
 	return chainConf.Contract.Multicall3, nil
 }
 
-func GetEip712Domain(chainId uint64) (*apitypes.TypedDataDomain, error) {
-	chainConf, err := GetChainConfig(chainId)
+func GetEip712Domain(chainId uint64, version *string) (*apitypes.TypedDataDomain, error) {
+	chainConf, err := GetChainConfig(chainId, version)
 	if err != nil {
 		return nil, err
 	}

config/download.go

@@ -7,10 +7,10 @@ import (
 )
 
 const (
-	ChainConfigUrl = "https://raw.githubusercontent.com/FastLane-Labs/atlas-config/refs/heads/main/configs/chain-config.json"
+	ChainConfigUrl = "https://raw.githubusercontent.com/FastLane-Labs/atlas-config/refs/heads/main/configs/chain-configs-multi-version.json"
 )
 
-func downloadChainConfig() (map[uint64]*ChainConfig, error) {
+func downloadChainConfig() (map[uint64]map[string]*ChainConfig, error) {
 	resp, err := http.Get(ChainConfigUrl)
 	if err != nil {
 		return nil, err
@@ -23,7 +23,7 @@ func downloadChainConfig() (map[uint64]*ChainConfig, error) {
 		return nil, err
 	}
 
-	remoteConfig := make(map[uint64]*ChainConfig)
+	remoteConfig := make(map[uint64]map[string]*ChainConfig)
 
 	err = json.Unmarshal(body, &remoteConfig)
 	if err != nil {

contract/abi.go

@@ -1,17 +1,118 @@
 package contract
 
 import (
-	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlas"
-	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlasverification"
+	"errors"
+
+	"github.com/FastLane-Labs/atlas-sdk-go/config"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlas/1.0"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlas/1.1"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlas/1.2"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlas/1.3"
+
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlasverification/1.0"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlasverification/1.1"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlasverification/1.2"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/atlasverification/1.3"
+
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/simulator/1.0"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/simulator/1.1"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/simulator/1.2"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/simulator/1.3"
+
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/sorter/1.0"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/sorter/1.1"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/sorter/1.2"
+	"github.com/FastLane-Labs/atlas-sdk-go/contract/sorter/1.3"
+
 	"github.com/FastLane-Labs/atlas-sdk-go/contract/dappcontrol"
-	"github.com/FastLane-Labs/atlas-sdk-go/contract/simulator"
-	"github.com/FastLane-Labs/atlas-sdk-go/contract/sorter"
 )
 
 var (
-	AtlasAbi, _             = atlas.AtlasMetaData.GetAbi()
-	AtlasVerificationAbi, _ = atlasverification.AtlasVerificationMetaData.GetAbi()
-	SimulatorAbi, _         = simulator.SimulatorMetaData.GetAbi()
-	SorterAbi, _            = sorter.SorterMetaData.GetAbi()
-	DAppControlAbi, _       = dappcontrol.DAppControlMetaData.GetAbi()
+	atlas_1_0_Abi, _ = atlas_1_0.AtlasMetaData.GetAbi()
+	atlas_1_1_Abi, _ = atlas_1_1.AtlasMetaData.GetAbi()
+	atlas_1_2_Abi, _ = atlas_1_2.AtlasMetaData.GetAbi()
+	atlas_1_3_Abi, _ = atlas_1_3.AtlasMetaData.GetAbi()
+
+	atlasverification_1_0_Abi, _ = atlasverification_1_0.AtlasVerificationMetaData.GetAbi()
+	atlasverification_1_1_Abi, _ = atlasverification_1_1.AtlasVerificationMetaData.GetAbi()
+	atlasverification_1_2_Abi, _ = atlasverification_1_2.AtlasVerificationMetaData.GetAbi()
+	atlasverification_1_3_Abi, _ = atlasverification_1_3.AtlasVerificationMetaData.GetAbi()
+
+	simulator_1_0_Abi, _ = simulator_1_0.SimulatorMetaData.GetAbi()
+	simulator_1_1_Abi, _ = simulator_1_1.SimulatorMetaData.GetAbi()
+	simulator_1_2_Abi, _ = simulator_1_2.SimulatorMetaData.GetAbi()
+	simulator_1_3_Abi, _ = simulator_1_3.SimulatorMetaData.GetAbi()
+
+	sorter_1_0_Abi, _ = sorter_1_0.SorterMetaData.GetAbi()
+	sorter_1_1_Abi, _ = sorter_1_1.SorterMetaData.GetAbi()
+	sorter_1_2_Abi, _ = sorter_1_2.SorterMetaData.GetAbi()
+	sorter_1_3_Abi, _ = sorter_1_3.SorterMetaData.GetAbi()
+
+	dappcontrol_Abi, _ = dappcontrol.DAppControlMetaData.GetAbi()
+)
+
+var (
+	errInvalidAtlasVersion = errors.New("invalid atlas version")
 )
+
+func GetAtlasAbi(version *string) (*abi.ABI, error) {
+	switch config.GetVersion(version) {
+	case config.AtlasV_1_0:
+		return atlas_1_0_Abi, nil
+	case config.AtlasV_1_1:
+		return atlas_1_1_Abi, nil
+	case config.AtlasV_1_2:
+		return atlas_1_2_Abi, nil
+	case config.AtlasV_1_3:
+		return atlas_1_3_Abi, nil
+	}
+	return nil, errInvalidAtlasVersion
+}
+
+func GetAtlasVerificationAbi(version *string) (*abi.ABI, error) {
+	switch config.GetVersion(version) {
+	case config.AtlasV_1_0:
+		return atlasverification_1_0_Abi, nil
+	case config.AtlasV_1_1:
+		return atlasverification_1_1_Abi, nil
+	case config.AtlasV_1_2:
+		return atlasverification_1_2_Abi, nil
+	case config.AtlasV_1_3:
+		return atlasverification_1_3_Abi, nil
+	}
+	return nil, errInvalidAtlasVersion
+}
+
+func GetSimulatorAbi(version *string) (*abi.ABI, error) {
+	switch config.GetVersion(version) {
+	case config.AtlasV_1_0:
+		return simulator_1_0_Abi, nil
+	case config.AtlasV_1_1:
+		return simulator_1_1_Abi, nil
+	case config.AtlasV_1_2:
+		return simulator_1_2_Abi, nil
+	case config.AtlasV_1_3:
+		return simulator_1_3_Abi, nil
+	}
+	return nil, errInvalidAtlasVersion
+}
+
+func GetSorterAbi(version *string) (*abi.ABI, error) {
+	switch config.GetVersion(version) {
+	case config.AtlasV_1_0:
+		return sorter_1_0_Abi, nil
+	case config.AtlasV_1_1:
+		return sorter_1_1_Abi, nil
+	case config.AtlasV_1_2:
+		return sorter_1_2_Abi, nil
+	case config.AtlasV_1_3:
+		return sorter_1_3_Abi, nil
+	}
+	return nil, errInvalidAtlasVersion
+}
+
+func GetDAppControlAbi() *abi.ABI {
+	return dappcontrol_Abi
+}