support etherscan v2 (#50)

networks/arbitrum.go

@@ -15,10 +15,8 @@ type arbitrumMainnet struct {
 }
 
 func NewArbitrumMainnet() *arbitrumMainnet {
-	result := &arbitrumMainnet{NewEtherscanLikeExplorer(
-		"https://api.arbiscan.io",
-		"IE1GI7ZUG4HTRUI1AHX51IW2KR41D96EWN",
-	)}
+	result := &arbitrumMainnet{NewEtherscanV2()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -56,14 +54,14 @@ func (self *arbitrumMainnet) GetNodeVariableName() string {
 
 func (self *arbitrumMainnet) GetDefaultNodes() map[string]string {
 	return map[string]string{
-		"infura":           "https://arb1.arbitrum.io/rpc",
+		"infura": "https://arb1.arbitrum.io/rpc",
 		// "alchemy-arbitrum": "https://arb-mainnet.g.alchemy.com/v2/PGAWvp9KLZbqjvap-iingGj-Id7HM_Yn",
 		// "arbitrum.io":      "https://arb1.arbitrum.io/rpc",
 	}
 }
 
 func (self *arbitrumMainnet) GetBlockExplorerAPIKeyVariableName() string {
-	return "ARBISCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *arbitrumMainnet) GetBlockExplorerAPIURL() string {

networks/base.go

@@ -15,10 +15,8 @@ type baseMainnet struct {
 }
 
 func NewBaseMainnet() *baseMainnet {
-	result := &baseMainnet{NewEtherscanLikeExplorer(
-		"https://api.basescan.org",
-		"KGU9B686UEDCRMMMMEDA3Q4M4EM9GMTVKA",
-	)}
+	result := &baseMainnet{NewEtherscanV2()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -61,7 +59,7 @@ func (self *baseMainnet) GetDefaultNodes() map[string]string {
 }
 
 func (self *baseMainnet) GetBlockExplorerAPIKeyVariableName() string {
-	return "BASESCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *baseMainnet) GetBlockExplorerAPIURL() string {

networks/bsc.go

@@ -16,6 +16,7 @@ type bscMainnet struct {
 
 func NewBSCMainnet() *bscMainnet {
 	result := &bscMainnet{NewBscscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -60,7 +61,7 @@ func (self *bscMainnet) GetDefaultNodes() map[string]string {
 }
 
 func (self *bscMainnet) GetBlockExplorerAPIKeyVariableName() string {
-	return "BSCSCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *bscMainnet) GetBlockExplorerAPIURL() string {

networks/bsc_testnet.go

@@ -16,6 +16,7 @@ type bscTestnet struct {
 
 func NewBSCTestnet() *bscTestnet {
 	result := &bscTestnet{NewTestnetBscscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -63,7 +64,7 @@ func (self *bscTestnet) GetDefaultNodes() map[string]string {
 }
 
 func (self *bscTestnet) GetBlockExplorerAPIKeyVariableName() string {
-	return "BSCSCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *bscTestnet) GetBlockExplorerAPIURL() string {

networks/bttc.go

@@ -15,10 +15,8 @@ type bttcMainnet struct {
 }
 
 func NewBttcMainnet() *bttcMainnet {
-	result := &bttcMainnet{NewEtherscanLikeExplorer(
-		"https://api.bttcscan.com",
-		"W56TCSJ96BRMTU7ZZ4HNEETMIDM8CHCJYR",
-	)}
+	result := &bttcMainnet{NewEtherscanV2()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -61,7 +59,7 @@ func (self *bttcMainnet) GetDefaultNodes() map[string]string {
 }
 
 func (self *bttcMainnet) GetBlockExplorerAPIKeyVariableName() string {
-	return "BTTCSCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *bttcMainnet) GetBlockExplorerAPIURL() string {

networks/ethereum_mainnet.go

@@ -16,6 +16,7 @@ type ethereumMainnet struct {
 
 func NewEthereumMainnet() *ethereumMainnet {
 	result := &ethereumMainnet{NewMainnetEtherscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey

networks/ethereum_pow.go

@@ -16,6 +16,7 @@ type ethereumPOW struct {
 
 func NewEthereumPOW() *ethereumPOW {
 	result := &ethereumPOW{NewMainnetEtherscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -58,7 +59,7 @@ func (self *ethereumPOW) GetDefaultNodes() map[string]string {
 }
 
 func (self *ethereumPOW) GetBlockExplorerAPIKeyVariableName() string {
-	return "ETHERPOWSCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *ethereumPOW) GetBlockExplorerAPIURL() string {

networks/fantom.go

@@ -16,6 +16,7 @@ type fantom struct {
 
 func NewFantom() *fantom {
 	result := &fantom{NewFtmscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -58,7 +59,7 @@ func (self *fantom) GetDefaultNodes() map[string]string {
 }
 
 func (self *fantom) GetBlockExplorerAPIKeyVariableName() string {
-	return "FTMSCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *fantom) GetBlockExplorerAPIURL() string {

networks/kovan.go

@@ -16,6 +16,7 @@ type kovan struct {
 
 func NewKovan() *kovan {
 	result := &kovan{NewKovanEtherscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey

networks/linea.go

@@ -15,10 +15,8 @@ type lineaMainnet struct {
 }
 
 func NewlineaMainnet() *lineaMainnet {
-	result := &lineaMainnet{NewEtherscanLikeExplorer(
-		"https://api.lineascan.build",
-		"97MYPVEHAHR7YFRBHB27YQZSQFM6RJH54C",
-	)}
+	result := &lineaMainnet{NewEtherscanV2()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
@@ -61,7 +59,7 @@ func (self *lineaMainnet) GetDefaultNodes() map[string]string {
 }
 
 func (self *lineaMainnet) GetBlockExplorerAPIKeyVariableName() string {
-	return "LINEASCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *lineaMainnet) GetBlockExplorerAPIURL() string {

networks/matic.go

@@ -17,6 +17,7 @@ type matic struct {
 func NewMatic() *matic {
 	result := &matic{NewPolygonscan()}
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
+	result.ChainID = result.GetChainID()
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey
 	}
@@ -53,12 +54,12 @@ func (self *matic) GetNodeVariableName() string {
 
 func (self *matic) GetDefaultNodes() map[string]string {
 	return map[string]string{
-		"kyber":     "https://polygon.kyberengineering.io",
+		"kyber": "https://polygon.kyberengineering.io",
 	}
 }
 
 func (self *matic) GetBlockExplorerAPIKeyVariableName() string {
-	return "POLYGONSCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *matic) GetBlockExplorerAPIURL() string {

networks/mumbai.go

@@ -58,7 +58,7 @@ func (self *mumbai) GetDefaultNodes() map[string]string {
 }
 
 func (self *mumbai) GetBlockExplorerAPIKeyVariableName() string {
-	return "POLYGONSCAN_API_KEY"
+	return "ETHERSCAN_API_KEY"
 }
 
 func (self *mumbai) GetBlockExplorerAPIURL() string {

networks/optimism.go

@@ -15,7 +15,7 @@ type optimismMainnet struct {
 }
 
 func NewOptimismMainnet() *optimismMainnet {
-	result := &optimismMainnet{NewEtherscanLikeExplorer("https://api-optimistic.etherscan.io", "RU33HVN77Q51YNQIANP7GXZRAZ423CETB8")}
+	result := &optimismMainnet{NewEtherscanV2()}
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey

networks/polygon_zkevm.go

@@ -15,10 +15,8 @@ type polygonZkevmMainnet struct {
 }
 
 func NewPolygonZkevmMainnet() *polygonZkevmMainnet {
-	result := &polygonZkevmMainnet{NewEtherscanLikeExplorer(
-		"https://api.zkevm.polygonscan.com",
-		"DCMI8XG5WU2W1GX52ZEYN14PY9894YTW9A",
-	)}
+	result := &polygonZkevmMainnet{NewEtherscanV2()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey

networks/rinkeby.go

@@ -16,6 +16,7 @@ type rinkeby struct {
 
 func NewRinkeby() *rinkeby {
 	result := &rinkeby{NewRinkebyEtherscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey

networks/ropsten.go

@@ -16,6 +16,7 @@ type ropsten struct {
 
 func NewRopsten() *ropsten {
 	result := &ropsten{NewRopstenEtherscan()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey

networks/scroll.go

@@ -15,10 +15,8 @@ type scrollMainnet struct {
 }
 
 func NewScrollMainnet() *scrollMainnet {
-	result := &scrollMainnet{NewEtherscanLikeExplorer(
-		"https://api.scrollscan.com",
-		"PY7TDTR7V8FHZSUCGI2R12WZZYGFIAF9QT",
-	)}
+	result := &scrollMainnet{NewEtherscanV2()}
+	result.ChainID = result.GetChainID()
 	apiKey := strings.Trim(os.Getenv(result.GetBlockExplorerAPIKeyVariableName()), " ")
 	if apiKey != "" {
 		result.EtherscanLikeExplorer.APIKey = apiKey

util/explorers/etherscan_alike_explorer.go

@@ -16,6 +16,7 @@ type EtherscanLikeExplorer struct {
 	gpmu              sync.Mutex
 	latestGasPrice    float64
 	gasPriceTimestamp int64
+	ChainID           uint64
 
 	Domain string
 	APIKey string
@@ -31,8 +32,9 @@ func NewEtherscanLikeExplorer(domain string, apiKey string) *EtherscanLikeExplor
 
 func (ee *EtherscanLikeExplorer) RecommendedGasPriceAPIURL() string {
 	return fmt.Sprintf(
-		"%s/api?module=gastracker&action=gasoracle&apikey=%s",
+		"%s/api?chainid=%dmodule=gastracker&action=gasoracle&apikey=%s",
 		ee.Domain,
+		ee.ChainID,
 		ee.APIKey,
 	)
 }
@@ -100,9 +102,11 @@ func (ee *EtherscanLikeExplorer) RecommendedGasPrice() (float64, error) {
 
 func (ee *EtherscanLikeExplorer) GetABIStringAPIURL(address string) string {
 	return fmt.Sprintf(
-		"%s/api?module=contract&action=getabi&address=%s",
+		"%s/api?chainid=%d&module=contract&action=getabi&address=%s&apikey=%s",
 		ee.Domain,
+		ee.ChainID,
 		address,
+		ee.APIKey,
 	)
 }
 

util/explorers/explorers.go

@@ -5,73 +5,56 @@ type BlockExplorer interface {
 	GetABIString(address string) (string, error)
 }
 
-func NewMainnetEtherscan() *EtherscanLikeExplorer {
+func NewEtherscanV2() *EtherscanLikeExplorer {
 	return NewEtherscanLikeExplorer(
-		"https://api.etherscan.io",
+		"https://api.etherscan.io/v2",
 		"UBB257TI824FC7HUSPT66KZUMGBPRN3IWV",
 	)
 }
 
+func NewMainnetEtherscan() *EtherscanLikeExplorer {
+	return NewEtherscanV2()
+}
+
 func NewRopstenEtherscan() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api-ropsten.etherscan.io",
-		"UBB257TI824FC7HUSPT66KZUMGBPRN3IWV",
-	)
+	return NewEtherscanV2()
 }
 
 func NewRinkebyEtherscan() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api-rinkeby.etherscan.io",
-		"UBB257TI824FC7HUSPT66KZUMGBPRN3IWV",
-	)
+	return NewEtherscanV2()
 }
 
 func NewKovanEtherscan() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api-kovan.etherscan.io",
-		"UBB257TI824FC7HUSPT66KZUMGBPRN3IWV",
-	)
+	return NewEtherscanV2()
 }
 
 func NewBscscan() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api.bscscan.com",
-		"62TU8Z81F7ESNJT38ZVRBSX7CNN4QZSP5I",
-	)
+	return NewEtherscanV2()
 }
 
 func NewTestnetBscscan() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api-testnet.bscscan.com",
-		"62TU8Z81F7ESNJT38ZVRBSX7CNN4QZSP5I",
-	)
+	return NewEtherscanV2()
 }
 
 func NewPolygonscan() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api.polygonscan.com",
-		"AE61PSRHNZ7WS1R1BZUXZXDGE52MMNC22U",
-	)
+	return NewEtherscanV2()
 }
 
 func NewFtmscan() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api.ftmscan.com",
-		"IDMTDBFTDKE7SSHX2V2FYKWWQ9WTVW73HR",
-	)
-}
-
-func NewSnowtrace() *EtherscanLikeExplorer {
-	return NewEtherscanLikeExplorer(
-		"https://api.snowtrace.io",
-		"NWT5MMCQMAPYH47DGD8K7QIJGP2DHZRMW3",
-	)
+	return NewEtherscanV2()
 }
 
 func NewMumbaiPolygonscan() *EtherscanLikeExplorer {
-	return nil
+	return NewEtherscanV2()
 }
 
 func NewTomoBlockExplorer() *EtherscanLikeExplorer {
-	return nil
+	return NewEtherscanV2()
+}
+
+func NewSnowtrace() *EtherscanLikeExplorer {
+	return NewEtherscanLikeExplorer(
+		"https://api.routescan.io/v2/network/mainnet/evm/43114/etherscan/",
+		"NWT5MMCQMAPYH47DGD8K7QIJGP2DHZRMW3",
+	)
 }