added bsc testnet (#296)

docs/04-upstream-config.adoc

@@ -137,6 +137,7 @@ Currently, dshackle supports next chains (should be used as chain names in confi
 - optimism
 - optimism-testnet
 - binance (bsc, bnb-smart-chain)
+- bsc-testnet
 - zksync
 - zksync-testnet
 - polygon-zkevm

src/main/kotlin/io/emeraldpay/dshackle/Chain.kt

@@ -105,7 +105,8 @@ enum class Chain(val id: Int, val chainCode: String, val chainName: String) {
     SCROLL__ALPHANET(10022, "SCROLL_ALPHANET", "Scroll Alphanet"),
     MANTLE__TESTNET(10023, "MANTLE_TESTNET", "Mantle Testnet"),
     KLAYTN__BAOBAB(10024, "KLAYTN_BAOBAB", "Klaytn Baobab"),
-    SCROLL__SEPOLIA(10022, "SCROLL_SEPOLIA", "Scroll Sepolia");
+    SCROLL__SEPOLIA(10025, "SCROLL_SEPOLIA", "Scroll Sepolia"),
+    BSC__TESTNET(10026, "BSC_TESTNET", "Binance Smart Chain Testnet");
 
     companion object {
         fun byId(id: Int): Chain {

src/main/kotlin/io/emeraldpay/dshackle/Global.kt

@@ -55,6 +55,7 @@ class Global {
             "binance" to Chain.BSC__MAINNET,
             "bsc" to Chain.BSC__MAINNET,
             "bnb-smart-chain" to Chain.BSC__MAINNET,
+            "bsc-testnet" to Chain.BSC__TESTNET,
             "etc" to Chain.ETHEREUM_CLASSIC__MAINNET,
             "morden" to Chain.ETHEREUM__MORDEN,
             "kovan" to Chain.ETHEREUM__KOVAN,

src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt

@@ -100,6 +100,7 @@ class DefaultEthereumMethods(
             Chain.ZKSYNC__TESTNET to createHardcodedData("\"280\"", "\"0x118\""),
 
             Chain.BSC__MAINNET to createHardcodedData("\"56\"", "\"0x38\""),
+            Chain.BSC__TESTNET to createHardcodedData("\"97\"", "\"0x61\""),
 
             Chain.BASE__MAINNET to createHardcodedData("\"8453\"", "\"0x2105\""),
             Chain.BASE__GOERLI to createHardcodedData("\"84531\"", "\"0x14a33\""),