Add multi currency vaults

package.json

@@ -70,6 +70,7 @@
     "@types/chai-as-promised": "^7.1.3",
     "@types/mocha": "^8.0.3",
     "@types/node": "^14.6.4",
+    "@types/shelljs": "^0.8.8",
     "@types/sinon": "^9.0.5",
     "@typescript-eslint/eslint-plugin": "^4.1.0",
     "@typescript-eslint/parser": "^4.1.0",
@@ -83,14 +84,13 @@
     "npm-run-all": "^4.1.5",
     "nyc": "^15.1.0",
     "prettier": "^2.0.5",
+    "shelljs": "^0.8.4",
     "sinon": "^9.0.3",
     "ts-mock-imports": "^1.3.0",
     "ts-node": "10.4.0",
     "typedoc": "^0.22.9",
     "typedoc-plugin-markdown": "^3.11.6",
-    "typescript": "^4.3.2",
-    "shelljs": "^0.8.4",
-    "@types/shelljs": "^0.8.8"
+    "typescript": "^4.3.2"
   },
   "resolutions": {
     "bn.js": "4.12.0"

src/parachain/constants.ts

@@ -1,4 +1,4 @@
-import { BalanceOf, BlockNumber, Moment, RuntimeDbWeight } from "@polkadot/types/interfaces/runtime";
+import { BlockNumber, Moment, RuntimeDbWeight } from "@polkadot/types/interfaces/runtime";
 import { ApiPromise } from "@polkadot/api";
 import { Vec } from "@polkadot/types/codec";
 import { WeightToFeeCoefficient } from "@polkadot/types/interfaces/support";
@@ -24,10 +24,6 @@ export interface ConstantsAPI {
      * period on default settings.
      */
     getTimestampMinimumPeriod(): Moment;
-    /**
-     * @returns The fee to be paid for making a transaction; the per-byte portion.
-     */
-    getTransactionByteFee(): BalanceOf;
     /**
      * @returns The polynomial that is applied in order to derive fee from weight.
      */
@@ -49,10 +45,6 @@ export class DefaultConstantsAPI implements ConstantsAPI {
         return this.api.consts.timestamp.minimumPeriod;
     }
 
-    getTransactionByteFee(): BalanceOf {
-        return this.api.consts.transactionPayment.transactionByteFee;
-    }
-
     getTransactionWeightToFee(): Vec<WeightToFeeCoefficient> {
         return this.api.consts.transactionPayment.weightToFee;
     }

src/types/currency.ts

@@ -18,6 +18,7 @@ import {
     VoteInterlay,
     VoteKintsugi,
     MonetaryAmount,
+    KintsugiAmount,
 } from "@interlay/monetary-js";
 import { ApiPromise } from "@polkadot/api";
 import {
@@ -47,13 +48,13 @@ export type CollateralIdLiteral =
     | CurrencyIdLiteral.KINT
     | CurrencyIdLiteral.INTR;
 
-export const CollateralAmount = [PolkadotAmount, KusamaAmount];
+export const CollateralAmount = [PolkadotAmount, KusamaAmount, KintsugiAmount];
 export type CollateralAmount = typeof CollateralAmount[number];
 
-export const CollateralCurrency = [Polkadot, Kusama] as const;
+export const CollateralCurrency = [Polkadot, Kusama, Kintsugi] as const;
 export type CollateralCurrency = typeof CollateralCurrency[number];
 
-export const CollateralUnit = [PolkadotUnit, KusamaUnit];
+export const CollateralUnit = [PolkadotUnit, KusamaUnit, KintsugiUnit];
 export type CollateralUnit = typeof CollateralUnit[number];
 
 export const CurrencyUnit = [BitcoinUnit, PolkadotUnit, KusamaUnit, KintsugiUnit, InterlayUnit];

src/utils/currency.ts

@@ -101,12 +101,12 @@ export function toVoting(governanceCurrency: GovernanceCurrency): Currency<Gover
     }
 }
 
-export function getCorrespondingCollateralCurrency(governanceCurrency: Currency<GovernanceUnit>): CollateralCurrency {
+export function getCorrespondingCollateralCurrencies(governanceCurrency: Currency<GovernanceUnit>): Array<CollateralCurrency> {
     switch (governanceCurrency.ticker) {
         case "KINT":
-            return Kusama;
+            return [Kusama, Kintsugi];
         case "INTR":
-            return Polkadot;
+            return [Polkadot];
         default:
             throw new Error("Provided currency is not a governance currency");
     }

src/utils/setup.ts

@@ -30,7 +30,7 @@ import {
 } from "../../test/config";
 import { CollateralCurrency, CollateralUnit, CurrencyUnit, WrappedCurrency } from "../types";
 import { newVaultId } from "./encoding";
-import { InterBtcApi, DefaultInterBtcApi, newMonetaryAmount, getCorrespondingCollateralCurrency } from "..";
+import { InterBtcApi, DefaultInterBtcApi, newMonetaryAmount, getCorrespondingCollateralCurrencies } from "..";
 import { AddressOrPair } from "@polkadot/api/types";
 
 // Command line arguments of the initialization script
@@ -213,9 +213,12 @@ async function main<U extends CurrencyUnit>(params: InitializationParams): Promi
     const sudoAccountInterBtcApi = new DefaultInterBtcApi(api, "regtest", sudoAccount, ESPLORA_BASE_PATH);
 
     const wrappedCurrency = sudoAccountInterBtcApi.getWrappedCurrency();
-    const collateralCurrency = getCorrespondingCollateralCurrency(
+    const collateralCurrencies = getCorrespondingCollateralCurrencies(
         sudoAccountInterBtcApi.getGovernanceCurrency()
-    ) as unknown as Currency<U>;
+    ) as unknown as Array<Currency<U>>;
+    // TODO: figure out if we want to initialize alternative collateral currencies (like KINT in additon to KSM), too?
+    const collateralCurrency = collateralCurrencies[0];
+
     const defaultInitializationParams = getDefaultInitializationParams<U>(
         keyring,
         vault_1.address,