making direct contract calls

makerdao · Jul 9, 2020 · bd17808 · bd17808
1 parent d9434e7
commit bd17808
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/packages/dai-plugin-mcd/contracts/abiMap.js b/packages/dai-plugin-mcd/contracts/abiMap.js
@@ -42,5 +42,6 @@ module.exports = {
   MIGRATION_PROXY_ACTIONS: require('./abis/MigrationProxyActions.json'),
   USDC: require('./abis/USDC.json'),
   WBTC: require('./abis/WBTC.json'),
-  TUSD: require('./abis/DSToken.json')
+  TUSD: require('./abis/DSToken.json'),
+  'PSM_*': require('./abis/Psm.json')
 };
diff --git a/packages/dai-plugin-mcd/src/PsmType.js b/packages/dai-plugin-mcd/src/PsmType.js
@@ -1,5 +1,6 @@
 import assert from 'assert';
 import CdpType from './CdpType';
+import { ServiceRoles } from './constants';
 
 export default class PsmType {
   constructor(
@@ -10,6 +11,9 @@ export default class PsmType {
     assert(currency && ilk, 'currency and ilk are required');
 
     this._psmTypeService = psmTypeService;
+    this._smartContractService = this._psmTypeService
+      .get(ServiceRoles.SYSTEM_DATA)
+      .get('smartContract');
     this._cdpType = new CdpType(
       this._psmTypeService,
       { currency, ilk, decimals },
@@ -23,11 +27,11 @@ export default class PsmType {
   }
 
   get feeIn() {
-    return null;
+    return this.psm.feeIn();
   }
 
   get feeOut() {
-    return null;
+    return this.psm.feeOut();
   }
 
   async prefetch() {
@@ -53,4 +57,8 @@ export default class PsmType {
     assert(this.cache()[name], `${name} is not cached`);
     return this.cache()[name];
   }
+
+  get psm() {
+    return this._smartContractService.getContract(this.ilk.replace(/-/g, '_'));
+  }
 }