feat: add fee percentage to percentage fee details (#365)

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---------

Signed-off-by: Marin Petrunic <[email protected]>

Author: mpetrunic

packages/sdk/src/chains/EVM/fee/percentageFee.ts

@@ -32,6 +32,7 @@ export const getPercentageFee = async ({
     precentageFeeHandlerAddress,
     provider,
   );
+
   const calculatedFee = await percentageFeeHandlerContract.calculateFee(
     sender,
     fromDomainID,
@@ -40,10 +41,17 @@ export const getPercentageFee = async ({
     depositData,
     utils.formatBytes32String(''),
   );
+
   const feeBounds = await percentageFeeHandlerContract._resourceIDToFeeBounds(resourceID);
+
+  const feePercentage = (
+    await percentageFeeHandlerContract._domainResourceIDToFee(toDomainID, resourceID)
+  ).toNumber();
+  const percentage = feePercentage / (await percentageFeeHandlerContract.HUNDRED_PERCENT());
   const [fee] = calculatedFee;
   return {
     fee,
+    percentage,
     feeData: fee.toHexString(),
     type: FeeHandlerType.PERCENTAGE,
     handlerAddress: precentageFeeHandlerAddress,

packages/sdk/src/chains/EVM/types/index.ts

@@ -12,6 +12,7 @@ export type EvmFee = {
 
 export type PercentageFee = EvmFee & {
   type: FeeHandlerType.PERCENTAGE;
+  percentage: number;
   lowerBound: ethers.BigNumber;
   upperBound: ethers.BigNumber;
 };