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init.go
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init.go
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// Package bridge init router bridge and load / reload configs.
package bridge
import (
"fmt"
"math/big"
"strings"
"sync"
"github.com/anyswap/CrossChain-Router/v3/log"
"github.com/anyswap/CrossChain-Router/v3/mongodb"
"github.com/anyswap/CrossChain-Router/v3/mpc"
"github.com/anyswap/CrossChain-Router/v3/params"
"github.com/anyswap/CrossChain-Router/v3/router"
"github.com/anyswap/CrossChain-Router/v3/tokens"
)
var (
routerInfoIsLoaded = new(sync.Map) // key is chainID and router contract address
)
func getRouterInfoLoadedKey(chainID, routerContract string) string {
return strings.ToLower(fmt.Sprintf("%s:%s", chainID, routerContract))
}
func isRouterInfoLoaded(chainID, routerContract string) bool {
key := getRouterInfoLoadedKey(chainID, routerContract)
_, exist := routerInfoIsLoaded.Load(key)
return exist
}
func setRouterInfoLoaded(chainID, routerContract string) {
key := getRouterInfoLoadedKey(chainID, routerContract)
routerInfoIsLoaded.Store(key, struct{}{})
}
// InitRouterBridges init router bridges
//nolint:funlen,gocyclo // ok
func InitRouterBridges(isServer bool) {
log.Info("start init router bridges", "isServer", isServer)
var success bool
router.IsIniting = true
defer func() {
router.IsIniting = false
routerInfoIsLoaded = new(sync.Map)
log.Info("init router bridges finished", "isServer", isServer, "success", success)
}()
logErrFunc := log.GetLogFuncOr(router.DontPanicInLoading(), log.Error, log.Fatal)
router.InitRouterConfigClients()
log.Info("start get all chain ids")
allChainIDs, err := router.GetAllChainIDs()
if err != nil {
logErrFunc("call GetAllChainIDs failed", "err", err)
return
}
// get rid of blacked chainIDs
chainIDs := make([]*big.Int, 0, len(allChainIDs))
for _, chainID := range allChainIDs {
if params.IsChainIDInBlackList(chainID.String()) {
log.Debugf("ingore chainID %v in black list", chainID)
continue
}
chainIDs = append(chainIDs, chainID)
}
log.Info("get all chain ids success", "chainIDs", chainIDs)
if len(chainIDs) == 0 {
logErrFunc("empty chain IDs")
return
}
log.Info("start get all token ids")
allTokenIDs, err := router.GetAllTokenIDs()
if err != nil {
logErrFunc("call GetAllTokenIDs failed", "err", err)
return
}
// get rid of blacked tokenIDs
tokenIDs := make([]string, 0, len(allTokenIDs))
for _, tokenID := range allTokenIDs {
if params.IsTokenIDInBlackList(tokenID) {
log.Debugf("ingore tokenID %v in black list", tokenID)
continue
}
tokenIDs = append(tokenIDs, tokenID)
}
log.Info("get all token ids success", "tokenIDs", tokenIDs)
if len(tokenIDs) == 0 && !tokens.IsAnyCallRouter() {
logErrFunc("empty token IDs")
return
}
wg := new(sync.WaitGroup)
wg.Add(len(chainIDs))
for _, chainID := range chainIDs {
go func(wg *sync.WaitGroup, chainID *big.Int) {
defer wg.Done()
bridge := NewCrossChainBridge(chainID)
InitGatewayConfig(bridge, chainID)
if bridge.GetGatewayConfig().IsEmpty() {
logErrFunc("bridge has no gateway config", "chainID", chainID)
return
}
AdjustGatewayOrder(bridge, chainID.String())
InitChainConfig(bridge, chainID)
bridge.InitAfterConfig()
router.SetBridge(chainID.String(), bridge)
latestBlock, err := bridge.GetLatestBlockNumber()
if err != nil {
log.Warn("get lastest block number failed", "chainID", chainID, "err", err)
} else {
log.Infof("[%5v] lastest block number is %v", chainID, latestBlock)
}
if params.GetLocalChainConfig(chainID.String()).ForbidParallelLoading {
for _, tokenID := range tokenIDs {
log.Info("start load token config", "tokenID", tokenID, "chainID", chainID)
InitTokenConfig(bridge, tokenID, chainID)
}
} else {
wg2 := new(sync.WaitGroup)
wg2.Add(len(tokenIDs))
for _, tokenID := range tokenIDs {
go func(wg2 *sync.WaitGroup, tokenID string, chainID *big.Int) {
defer wg2.Done()
log.Info("start load token config", "tokenID", tokenID, "chainID", chainID)
InitTokenConfig(bridge, tokenID, chainID)
}(wg2, tokenID, chainID)
}
wg2.Wait()
}
}(wg, chainID)
}
wg.Wait()
initSwapNonces()
router.AllChainIDs = chainIDs
router.AllTokenIDs = tokenIDs
router.PrintMultichainTokens()
loadSwapAndFeeConfigs()
mpc.Init(isServer)
success = true
go WatchGatewayConfig()
}
func loadSwapAndFeeConfigs() {
if !tokens.IsERC20Router() {
return
}
swapConfigs := new(sync.Map)
feeConfigs := new(sync.Map)
wg := new(sync.WaitGroup)
for _, tokenID := range router.AllTokenIDs {
supportChainIDs := make([]*big.Int, 0, len(router.AllChainIDs))
for _, chainID := range router.AllChainIDs {
multichainToken := router.GetCachedMultichainToken(tokenID, chainID.String())
if multichainToken != "" {
supportChainIDs = append(supportChainIDs, chainID)
}
}
if len(supportChainIDs) == 0 {
continue
}
tokenIDSwapConfig := new(sync.Map)
swapConfigs.Store(tokenID, tokenIDSwapConfig)
tokenIDFeeConfig := new(sync.Map)
feeConfigs.Store(tokenID, tokenIDFeeConfig)
wg.Add(2)
go loadSwapConfigs(wg, tokenIDSwapConfig, tokenID, supportChainIDs)
go loadFeeConfigs(wg, tokenIDFeeConfig, tokenID, supportChainIDs)
}
wg.Wait()
tokens.SetSwapConfigs(swapConfigs)
tokens.SetFeeConfigs(feeConfigs)
log.Info("load all swap and fee config success")
}
//nolint:dupl // allow duplicate
func loadSwapConfigs(wg *sync.WaitGroup, swapConfigs *sync.Map, tokenID string, supportChainIDs []*big.Int) {
defer wg.Done()
logErrFunc := log.GetLogFuncOr(router.DontPanicInLoading(), log.Error, log.Fatal)
swapCfgs, err := router.GetSwapConfigs(tokenID)
if err != nil {
logErrFunc("get swap configs failed", "tokenID", tokenID, "err", err)
return
}
swapCfgMap := make(map[string]map[string]*tokens.SwapConfig)
for _, cfg := range swapCfgs {
fromChainID := cfg.FromChainID.String()
toChainID := cfg.ToChainID.String()
innerMap, exist := swapCfgMap[fromChainID]
if !exist {
innerMap = make(map[string]*tokens.SwapConfig)
swapCfgMap[fromChainID] = innerMap
}
swapCfg := &tokens.SwapConfig{
MaximumSwap: cfg.MaximumSwap,
MinimumSwap: cfg.MinimumSwap,
BigValueThreshold: cfg.BigValueThreshold,
}
err = swapCfg.CheckConfig()
if err != nil {
logErrFunc("check swap config failed", "tokenID", tokenID, "fromChainID", fromChainID, "toChainID", toChainID, "config", swapCfg, "err", err)
return
}
innerMap[toChainID] = swapCfg
log.Info("load swap config success", "tokenID", tokenID, "fromChainID", fromChainID, "toChainID", toChainID, "config", swapCfg)
}
for i, fromChainID := range supportChainIDs {
innerMap := new(sync.Map)
swapConfigs.Store(fromChainID.String(), innerMap)
fmap, fexist := swapCfgMap[fromChainID.String()]
for j, toChainID := range supportChainIDs {
if i == j {
continue
}
var swapCfg *tokens.SwapConfig
var exist bool
if fexist {
// 1. if _swapConfig[tokenID][srcChainID][dstChainID] exist, then use it.
swapCfg, exist = fmap[toChainID.String()]
if !exist {
// 2. else if _swapConfig[tokenID][srcChainID][0] exist, then use it.
swapCfg, exist = fmap["0"]
}
}
if !exist {
if zmap, zexist := swapCfgMap["0"]; zexist {
// 3. else if _swapConfig[tokenID][0][dstChainID] exist, then use it.
swapCfg, exist = zmap[toChainID.String()]
if !exist {
// 4. else use _swapConfig[tokenID][0][0].
swapCfg, exist = zmap["0"]
}
}
}
if !exist {
continue
}
innerMap.Store(toChainID.String(), swapCfg)
}
}
}
//nolint:dupl // allow duplicate
func loadFeeConfigs(wg *sync.WaitGroup, feeConfigs *sync.Map, tokenID string, supportChainIDs []*big.Int) {
defer wg.Done()
logErrFunc := log.GetLogFuncOr(router.DontPanicInLoading(), log.Error, log.Fatal)
feeCfgs, err := router.GetFeeConfigs(tokenID)
if err != nil {
logErrFunc("get fee configs failed", "tokenID", tokenID, "err", err)
return
}
feeCfgMap := make(map[string]map[string]*tokens.FeeConfig)
for _, cfg := range feeCfgs {
fromChainID := cfg.FromChainID.String()
toChainID := cfg.ToChainID.String()
innerMap, exist := feeCfgMap[fromChainID]
if !exist {
innerMap = make(map[string]*tokens.FeeConfig)
feeCfgMap[fromChainID] = innerMap
}
feeCfg := &tokens.FeeConfig{
MaximumSwapFee: cfg.MaximumSwapFee,
MinimumSwapFee: cfg.MinimumSwapFee,
SwapFeeRatePerMillion: cfg.SwapFeeRatePerMillion,
}
err = feeCfg.CheckConfig()
if err != nil {
logErrFunc("check fee config failed", "tokenID", tokenID, "fromChainID", fromChainID, "toChainID", toChainID, "config", feeCfg, "err", err)
return
}
innerMap[toChainID] = feeCfg
log.Info("load fee config success", "tokenID", tokenID, "fromChainID", fromChainID, "toChainID", toChainID, "config", feeCfg)
}
for i, fromChainID := range supportChainIDs {
innerMap := new(sync.Map)
feeConfigs.Store(fromChainID.String(), innerMap)
fmap, fexist := feeCfgMap[fromChainID.String()]
for j, toChainID := range supportChainIDs {
if i == j {
continue
}
var feeCfg *tokens.FeeConfig
var exist bool
if fexist {
// 1. if _feeConfig[tokenID][srcChainID][dstChainID] exist, then use it.
feeCfg, exist = fmap[toChainID.String()]
if !exist {
// 2. else if _feeConfig[tokenID][srcChainID][0] exist, then use it.
feeCfg, exist = fmap["0"]
}
}
if !exist {
if zmap, zexist := feeCfgMap["0"]; zexist {
// 3. else if _feeConfig[tokenID][0][dstChainID] exist, then use it.
feeCfg, exist = zmap[toChainID.String()]
if !exist {
// 4. else use _feeConfig[tokenID][0][0].
feeCfg, exist = zmap["0"]
}
}
}
if !exist {
continue
}
innerMap.Store(toChainID.String(), feeCfg)
}
}
}
// InitGatewayConfig impl
func InitGatewayConfig(b tokens.IBridge, chainID *big.Int) {
isReload := router.IsReloading
logErrFunc := log.GetLogFuncOr(router.DontPanicInLoading(), log.Error, log.Fatal)
if chainID == nil || chainID.Sign() == 0 {
logErrFunc("init gateway with zero chain ID")
return
}
SetGatewayConfig(b, chainID.String())
log.Info(fmt.Sprintf("[%5v] init gateway config success", chainID), "isReload", isReload)
}
// SetGatewayConfig set gateway config
func SetGatewayConfig(b tokens.IBridge, chainID string) {
cfg := params.GetRouterConfig()
apiAddrs := cfg.Gateways[chainID]
apiAddrsExt := cfg.GatewaysExt[chainID]
evmapiext := cfg.EVMGatewaysExt[chainID]
finalizeAPIs := cfg.FinalizeGateways[chainID]
grpcAPIs := cfg.GRPCGateways[chainID]
b.SetGatewayConfig(&tokens.GatewayConfig{
APIAddress: apiAddrs,
APIAddressExt: apiAddrsExt,
EVMAPIAddress: evmapiext,
FinalizeAPIAddress: finalizeAPIs,
GRPCAPIAddress: grpcAPIs,
})
}
// InitChainConfig impl
func InitChainConfig(b tokens.IBridge, chainID *big.Int) {
isReload := router.IsReloading
logErrFunc := log.GetLogFuncOr(router.DontPanicInLoading(), log.Error, log.Fatal)
chainCfg, err := router.GetChainConfig(chainID)
if err != nil {
logErrFunc("get chain config failed", "chainID", chainID, "err", err)
return
}
if chainCfg == nil {
logErrFunc("chain config not found", "chainID", chainID)
return
}
if chainID.String() != chainCfg.ChainID {
logErrFunc("verify chain ID mismatch", "inconfig", chainCfg.ChainID, "inchainids", chainID)
return
}
if err = chainCfg.CheckConfig(); err != nil {
logErrFunc("check chain config failed", "chainID", chainID, "err", err)
return
}
b.SetChainConfig(chainCfg)
log.Info("init chain config success", "blockChain", chainCfg.BlockChain, "chainID", chainID, "isReload", isReload)
routerContract := chainCfg.RouterContract
if routerContract != "" && !isRouterInfoLoaded(chainID.String(), routerContract) {
err = b.InitRouterInfo(routerContract, chainCfg.RouterVersion)
if err == nil {
setRouterInfoLoaded(chainID.String(), routerContract)
} else {
logErrFunc("init chain router info failed", "chainID", chainID, "routerContract", routerContract, "err", err)
return
}
}
}
// InitTokenConfig impl
//nolint:funlen,gocyclo // allow long init token config method
func InitTokenConfig(b tokens.IBridge, tokenID string, chainID *big.Int) {
isReload := router.IsReloading
logErrFunc := log.GetLogFuncOr(router.DontPanicInLoading(), log.Error, log.Fatal)
if tokenID == "" {
logErrFunc("empty token ID")
return
}
tokenAddr, err := router.GetMultichainToken(tokenID, chainID)
if err != nil {
logErrFunc("get token address failed", "tokenID", tokenID, "chainID", chainID, "err", err)
return
}
if tokenAddr == "" {
log.Debugf("[%5v] '%v' token address is empty", chainID, tokenID)
return
}
tokenCfg, err := router.GetTokenConfig(chainID, tokenID)
if err != nil {
logErrFunc("get token config failed", "chainID", chainID, "tokenID", tokenID, "err", err)
return
}
if tokenCfg == nil {
log.Debug("token config not found", "tokenID", tokenID, "chainID", chainID, "tokenAddr", tokenAddr)
return
}
if !strings.EqualFold(tokenAddr, tokenCfg.ContractAddress) {
logErrFunc("verify token address mismach", "tokenID", tokenID, "chainID", chainID, "inconfig", tokenCfg.ContractAddress, "inmultichain", tokenAddr)
return
}
if tokenID != tokenCfg.TokenID {
logErrFunc("verify token ID mismatch", "chainID", chainID, "inconfig", tokenCfg.TokenID, "intokenids", tokenID)
return
}
if err = tokenCfg.CheckConfig(); err != nil {
logErrFunc("check token config failed", "tokenID", tokenID, "chainID", chainID, "tokenAddr", tokenAddr, "err", err)
return
}
router.InitOnchainCustomConfig(chainID, tokenID)
b.SetTokenConfig(tokenAddr, tokenCfg)
router.SetMultichainToken(tokenID, chainID.String(), tokenAddr)
log.Info(fmt.Sprintf("[%5v] init '%v' token config success", chainID, tokenID), "tokenAddr", tokenAddr, "decimals", tokenCfg.Decimals, "isReload", isReload, "underlying", tokenCfg.GetUnderlying())
routerContract := tokenCfg.RouterContract
if routerContract != "" && !isRouterInfoLoaded(chainID.String(), routerContract) {
err = b.InitRouterInfo(routerContract, tokenCfg.RouterVersion)
if err == nil {
setRouterInfoLoaded(chainID.String(), routerContract)
} else {
logErrFunc("init token router info failed", "chainID", chainID, "routerContract", routerContract, "err", err)
return
}
}
}
func initSwapNonces() {
if !mongodb.HasClient() {
return
}
routerInfoIsLoaded.Range(func(k, v interface{}) bool {
key := k.(string)
parts := strings.Split(key, ":")
if len(parts) != 2 {
return true
}
chainID := parts[0]
routerContract := parts[1]
br := router.GetBridgeByChainID(chainID)
if br == nil {
return true
}
nonceSetter, ok := br.(tokens.NonceSetter)
if !ok {
return true
}
routerInfo := router.GetRouterInfo(routerContract, chainID)
if routerInfo == nil {
return true
}
routerMPC := routerInfo.RouterMPC
for i := 0; i < 3; i++ {
nextSwapNonce, err := mongodb.FindNextSwapNonce(chainID, routerMPC)
if err == nil {
nonceSetter.InitSwapNonce(nonceSetter, routerMPC, nextSwapNonce)
break
}
}
return true
})
}