433f165 Validate RAD balance before commit tx — radicle-explorer

Radicle web interface

Validate RAD balance before commit tx

Sebastian Martinez committed 4 years ago

commit 433f165e235aeae59a4dec1d36a990e657619415
parent 01585eaa39d5b9771ac383a5b4ca2e74dc0457e9

2 files changed +11 -1

modified src/base/registrations/registrar.ts

@@ -67,6 +67,10 @@ export function registrar(config: Config) {

   return new ethers.Contract(config.registrar.address, config.abi.registrar, config.provider);
 }
 export function radToken(config: Config) {
   return new ethers.Contract(config.radToken.address, config.abi.token, config.provider);
 }
 export async function registrationFee(config: Config) {
   return await registrar(config).registrationFeeRad();
 }

@@ -87,7 +91,7 @@ export async function registerName(name: string, owner: string, config: Config)

       await commitAndRegister(name, owner, config);
     }
   } catch (e) {
     throw { type: Failure.TransactionFailed, message: e.message, txHash: e.txHash };
     throw { type: e.type || Failure.TransactionFailed, message: e.message, txHash: e.txHash };
   }
 }

@@ -95,6 +99,11 @@ async function commitAndRegister(name: string, owner: string, config: Config) {

   let salt = ethers.utils.randomBytes(32);
   let minAge = (await registrar(config).minCommitmentAge()).toNumber();
   let fee = await registrationFee(config);
   // Avoids gas spent by the owner, trying to commit to a name and not having
   // enough RAD balance
   if ((await radToken(config).balanceOf(owner)).lt(fee)) {
     throw { type: Failure.InsufficientBalance, message: "Not enough RAD funds" };
   }
   await commit(makeCommitment(name, owner, salt), fee, minAge, config);
   // Save commitment in local storage in case the user refreshes or closes

modified src/error.ts

@@ -9,6 +9,7 @@ export interface Err {

 export enum Failure {
   TransactionFailed = 1,
   NotAuthenticated = 2,
   InsufficientBalance = 3,
 }
 export const error = writable<Err | null>(null);