add usdt0 on rootstock

Author: realdealshaman

src/adapters/peggedAssets/tether/config.ts

@@ -202,7 +202,8 @@ export const chainContracts: ChainContracts = {
     bridgedFromETH: ["0x3c751Feb00364CA9e2d0105c40F0b423abf1DEE3"], // multichain
   },
   rsk: {
-    bridgedFromETH: ["0xef213441a85df4d7acbdae0cf78004e1e486bb96"],
+    bridgedFromETH6Decimals: ["0x779ded0c9e1022225f8e0630b35a9b54be713736"], // usdt0
+    bridgedFromETH18Decimals: ["0xef213441a85df4d7acbdae0cf78004e1e486bb96"], // usdt
   },
   reinetwork: {
     bridgedFromETH: ["0x988a631Caf24E14Bb77EE0f5cA881e8B5dcfceC7"], // celer

src/adapters/peggedAssets/tether/index.ts

@@ -899,7 +899,13 @@ const adapter: PeggedIssuanceAdapter = {
     ethereum: bridgedSupply("theta", 6, chainContracts.theta.bridgedFromETH),
   },
   rsk: {
-    ethereum: bridgedSupply("rsk", 18, chainContracts.rsk.bridgedFromETH),
+    ethereum: sumMultipleBalanceFunctions(
+      [
+        bridgedSupply("rsk", 6, chainContracts.rsk.bridgedFromETH6Decimals),
+        bridgedSupply("rsk", 18, chainContracts.rsk.bridgedFromETH18Decimals),
+      ],
+      "peggedUSD"
+    ),
   },
   reinetwork: {
     ethereum: reinetworkBridged(chainContracts.reinetwork.bridgedFromETH[0], 6),