difftreelog
OwnerCanTransfer flag
in: master
10 files changed
pallets/common/src/lib.rsdiffbeforeafterboth--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -1164,6 +1164,7 @@
old_limit: &CollectionLimits,
mut new_limit: CollectionLimits,
) -> Result<CollectionLimits, DispatchError> {
+ let limits = old_limit;
limit_default!(old_limit, new_limit,
account_token_ownership_limit => ensure!(
new_limit <= MAX_TOKEN_OWNERSHIP,
@@ -1190,6 +1191,7 @@
),
sponsor_approve_timeout => {},
owner_can_transfer => ensure!(
+ !limits.owner_can_transfer_instaled() ||
old_limit || !new_limit,
<Error<T>>::OwnerPermissionsCantBeReverted,
),
primitives/data-structs/src/lib.rsdiffbeforeafterboth--- a/primitives/data-structs/src/lib.rs
+++ b/primitives/data-structs/src/lib.rs
@@ -409,7 +409,10 @@
.min(MAX_SPONSOR_TIMEOUT)
}
pub fn owner_can_transfer(&self) -> bool {
- self.owner_can_transfer.unwrap_or(true)
+ self.owner_can_transfer.unwrap_or(false)
+ }
+ pub fn owner_can_transfer_instaled(&self) -> bool {
+ self.owner_can_transfer.is_some()
}
pub fn owner_can_destroy(&self) -> bool {
self.owner_can_destroy.unwrap_or(true)
tests/src/approve.test.tsdiffbeforeafterboth--- a/tests/src/approve.test.ts
+++ b/tests/src/approve.test.ts
@@ -28,7 +28,7 @@
setCollectionLimitsExpectSuccess,
transferExpectSuccess,
addCollectionAdminExpectSuccess,
- adminApproveFromExpectSuccess,
+ adminApproveFromExpectFail,
getCreatedCollectionCount,
transferFromExpectSuccess,
transferFromExpectFail,
@@ -84,11 +84,11 @@
await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, alice, bob.address, 0);
});
- it('can be called by collection owner on non-owned item when OwnerCanTransfer == true', async () => {
+ it('can`t be called by collection owner on non-owned item when OwnerCanTransfer == false', async () => {
const collectionId = await createCollectionExpectSuccess();
const itemId = await createItemExpectSuccess(alice, collectionId, 'NFT', bob.address);
- await adminApproveFromExpectSuccess(collectionId, itemId, alice, bob.address, charlie.address);
+ await adminApproveFromExpectFail(collectionId, itemId, alice, bob.address, charlie.address);
});
});
@@ -292,7 +292,7 @@
});
});
-describe('Administrator and collection owner do not need approval in order to execute TransferFrom:', () => {
+describe('Administrator and collection owner do not need approval in order to execute TransferFrom (with owner_can_transfer_flag = true):', () => {
let alice: IKeyringPair;
let bob: IKeyringPair;
let charlie: IKeyringPair;
@@ -309,6 +309,7 @@
it('NFT', async () => {
const collectionId = await createCollectionExpectSuccess();
+ await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});
const itemId = await createItemExpectSuccess(alice, collectionId, 'NFT', charlie.address);
await transferFromExpectSuccess(collectionId, itemId, alice, charlie, dave, 1, 'NFT');
await addCollectionAdminExpectSuccess(alice, collectionId, bob.address);
@@ -317,6 +318,7 @@
it('Fungible up to an approved amount', async () => {
const collectionId = await createCollectionExpectSuccess({mode:{type: 'Fungible', decimalPoints: 0}});
+ await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});
const itemId = await createItemExpectSuccess(alice, collectionId, 'Fungible', charlie.address);
await transferFromExpectSuccess(collectionId, itemId, alice, charlie, dave, 1, 'Fungible');
await addCollectionAdminExpectSuccess(alice, collectionId, bob.address);
@@ -325,6 +327,7 @@
it('ReFungible up to an approved amount', async () => {
const collectionId = await createCollectionExpectSuccess({mode:{type: 'ReFungible'}});
+ await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});
const itemId = await createItemExpectSuccess(alice, collectionId, 'ReFungible', charlie.address);
await transferFromExpectSuccess(collectionId, itemId, alice, charlie, dave, 1, 'ReFungible');
await addCollectionAdminExpectSuccess(alice, collectionId, bob.address);
@@ -402,7 +405,7 @@
const itemId = await createItemExpectSuccess(alice, collectionId, 'NFT', alice.address);
await addCollectionAdminExpectSuccess(alice, collectionId, bob.address);
- await adminApproveFromExpectSuccess(collectionId, itemId, bob, alice.address, charlie.address);
+ await adminApproveFromExpectFail(collectionId, itemId, bob, alice.address, charlie.address);
});
});
tests/src/burnItem.test.tsdiffbeforeafterboth1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync} from './substrate/substrate-api';18import {IKeyringPair} from '@polkadot/types/types';19import {20 createCollectionExpectSuccess,21 createItemExpectSuccess,22 getGenericResult,23 normalizeAccountId,24 addCollectionAdminExpectSuccess,25 getBalance,26 setCollectionLimitsExpectSuccess,27 isTokenExists,28} from './util/helpers';2930import chai from 'chai';31import chaiAsPromised from 'chai-as-promised';32chai.use(chaiAsPromised);33const expect = chai.expect;3435let alice: IKeyringPair;36let bob: IKeyringPair;3738describe('integration test: ext. burnItem():', () => {39 before(async () => {40 await usingApi(async (api, privateKeyWrapper) => {41 alice = privateKeyWrapper('//Alice');42 bob = privateKeyWrapper('//Bob');43 });44 });4546 it('Burn item in NFT collection', async () => {47 const createMode = 'NFT';48 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});49 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode);5051 await usingApi(async (api) => {52 const tx = api.tx.unique.burnItem(collectionId, tokenId, 1);53 const events = await submitTransactionAsync(alice, tx);54 const result = getGenericResult(events);5556 expect(result.success).to.be.true;57 // Get the item58 expect(await isTokenExists(api, collectionId, tokenId)).to.be.false;59 });60 });6162 it('Burn item in Fungible collection', async () => {63 const createMode = 'Fungible';64 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode, decimalPoints: 0}});65 await createItemExpectSuccess(alice, collectionId, createMode); // Helper creates 10 fungible tokens66 const tokenId = 0; // ignored6768 await usingApi(async (api) => {69 // Destroy 1 of 1070 const tx = api.tx.unique.burnItem(collectionId, tokenId, 1);71 const events = await submitTransactionAsync(alice, tx);72 const result = getGenericResult(events);7374 // Get alice balance75 const balance = await getBalance(api, collectionId, alice.address, 0);7677 // What to expect78 expect(result.success).to.be.true;79 expect(balance).to.be.equal(9n);80 });81 });8283 it('Burn item in ReFungible collection', async () => {84 const createMode = 'ReFungible';85 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});86 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode);8788 await usingApi(async (api) => {89 const tx = api.tx.unique.burnItem(collectionId, tokenId, 100);90 const events = await submitTransactionAsync(alice, tx);91 const result = getGenericResult(events);9293 // Get alice balance94 const balance = await getBalance(api, collectionId, alice.address, tokenId);9596 // What to expect97 expect(result.success).to.be.true;98 expect(balance).to.be.equal(0n);99 });100 });101102 it('Burn owned portion of item in ReFungible collection', async () => {103 const createMode = 'ReFungible';104 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});105 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode);106107 await usingApi(async (api) => {108 // Transfer 1/100 of the token to Bob109 const transfertx = api.tx.unique.transfer(normalizeAccountId(bob.address), collectionId, tokenId, 1);110 const events1 = await submitTransactionAsync(alice, transfertx);111 const result1 = getGenericResult(events1);112113 // Get balances114 const bobBalanceBefore = await getBalance(api, collectionId, bob.address, tokenId);115 const aliceBalanceBefore = await getBalance(api, collectionId, alice.address, tokenId);116117 // Bob burns his portion118 const tx = api.tx.unique.burnItem(collectionId, tokenId, 1);119 const events2 = await submitTransactionAsync(bob, tx);120 const result2 = getGenericResult(events2);121122 // Get balances123 const bobBalanceAfter = await getBalance(api, collectionId, bob.address, tokenId);124 const aliceBalanceAfter = await getBalance(api, collectionId, alice.address, tokenId);125 // console.log(balance);126127 // What to expect before burning128 expect(result1.success).to.be.true;129 expect(aliceBalanceBefore).to.be.equal(99n);130 expect(bobBalanceBefore).to.be.equal(1n);131132 // What to expect after burning133 expect(result2.success).to.be.true;134 expect(aliceBalanceAfter).to.be.equal(99n);135 expect(bobBalanceAfter).to.be.equal(0n);136 });137138 });139140});141142describe('integration test: ext. burnItem() with admin permissions:', () => {143 before(async () => {144 await usingApi(async (api, privateKeyWrapper) => {145 alice = privateKeyWrapper('//Alice');146 bob = privateKeyWrapper('//Bob');147 });148 });149150 it('Burn item in NFT collection', async () => {151 const createMode = 'NFT';152 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});153 await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});154 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode);155 await addCollectionAdminExpectSuccess(alice, collectionId, bob.address);156157 await usingApi(async (api) => {158 const tx = api.tx.unique.burnItem(collectionId, tokenId, 1);159 const events = await submitTransactionAsync(bob, tx);160 const result = getGenericResult(events);161162 expect(result.success).to.be.true;163 // Get the item164 expect(await isTokenExists(api, collectionId, tokenId)).to.be.false;165 });166 });167168 // TODO: burnFrom169 it('Burn item in Fungible collection', async () => {170 const createMode = 'Fungible';171 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode, decimalPoints: 0}});172 await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});173 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode); // Helper creates 10 fungible tokens174 await addCollectionAdminExpectSuccess(alice, collectionId, bob.address);175176 await usingApi(async (api) => {177 // Destroy 1 of 10178 const tx = api.tx.unique.burnFrom(collectionId, normalizeAccountId(alice.address), tokenId, 1);179 const events = await submitTransactionAsync(bob, tx);180 const result = getGenericResult(events);181182 // Get alice balance183 const balance = await getBalance(api, collectionId, alice.address, 0);184185 // What to expect186 expect(result.success).to.be.true;187 expect(balance).to.be.equal(9n);188 });189 });190191 // TODO: burnFrom192 it('Burn item in ReFungible collection', async () => {193 const createMode = 'ReFungible';194 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});195 await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});196 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode);197 await addCollectionAdminExpectSuccess(alice, collectionId, bob.address);198199 await usingApi(async (api) => {200 const tx = api.tx.unique.burnFrom(collectionId, normalizeAccountId(alice.address), tokenId, 100);201 const events = await submitTransactionAsync(bob, tx);202 const result = getGenericResult(events);203 // Get alice balance204 expect(result.success).to.be.true;205 // Get the item206 expect(await isTokenExists(api, collectionId, tokenId)).to.be.false;207 });208 });209});210211describe('Negative integration test: ext. burnItem():', () => {212 before(async () => {213 await usingApi(async (api, privateKeyWrapper) => {214 alice = privateKeyWrapper('//Alice');215 bob = privateKeyWrapper('//Bob');216 });217 });218219 it('Burn a token that was never created', async () => {220 const createMode = 'NFT';221 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});222 const tokenId = 10;223224 await usingApi(async (api) => {225 const tx = api.tx.unique.burnItem(collectionId, tokenId, 1);226 const badTransaction = async function () {227 await submitTransactionExpectFailAsync(alice, tx);228 };229 await expect(badTransaction()).to.be.rejected;230 });231232 });233234 it('Burn a token using the address that does not own it', async () => {235 const createMode = 'NFT';236 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});237 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode);238239 await usingApi(async (api) => {240 const tx = api.tx.unique.burnItem(collectionId, tokenId, 1);241 const badTransaction = async function () {242 await submitTransactionExpectFailAsync(bob, tx);243 };244 await expect(badTransaction()).to.be.rejected;245 });246247 });248249 it('Transfer a burned a token', async () => {250 const createMode = 'NFT';251 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode}});252 const tokenId = await createItemExpectSuccess(alice, collectionId, createMode);253254 await usingApi(async (api) => {255256 const burntx = api.tx.unique.burnItem(collectionId, tokenId, 1);257 const events1 = await submitTransactionAsync(alice, burntx);258 const result1 = getGenericResult(events1);259 expect(result1.success).to.be.true;260261 const tx = api.tx.unique.transfer(normalizeAccountId(bob.address), collectionId, tokenId, 1);262 const badTransaction = async function () {263 await submitTransactionExpectFailAsync(alice, tx);264 };265 await expect(badTransaction()).to.be.rejected;266 });267268 });269270 it('Burn more than owned in Fungible collection', async () => {271 const createMode = 'Fungible';272 const collectionId = await createCollectionExpectSuccess({mode: {type: createMode, decimalPoints: 0}});273 // Helper creates 10 fungible tokens274 await createItemExpectSuccess(alice, collectionId, createMode);275 const tokenId = 0; // ignored276277 await usingApi(async (api) => {278 // Destroy 11 of 10279 const tx = api.tx.unique.burnItem(collectionId, tokenId, 11);280 const badTransaction = async function () {281 await submitTransactionExpectFailAsync(alice, tx);282 };283 await expect(badTransaction()).to.be.rejected;284285 // Get alice balance286 const balance = await getBalance(api, collectionId, alice.address, 0);287288 // What to expect289 expect(balance).to.be.equal(10n);290 });291292 });293294});tests/src/eth/crossTransfer.test.tsdiffbeforeafterboth--- a/tests/src/eth/crossTransfer.test.ts
+++ b/tests/src/eth/crossTransfer.test.ts
@@ -18,6 +18,7 @@
createFungibleItemExpectSuccess,
transferExpectSuccess,
transferFromExpectSuccess,
+ setCollectionLimitsExpectSuccess,
createItemExpectSuccess} from '../util/helpers';
import {collectionIdToAddress,
createEthAccountWithBalance,
@@ -35,6 +36,7 @@
const alice = privateKeyWrapper('//Alice');
const bob = privateKeyWrapper('//Bob');
const charlie = privateKeyWrapper('//Charlie');
+ await setCollectionLimitsExpectSuccess(alice, collection, {ownerCanTransfer: true});
await createFungibleItemExpectSuccess(alice, collection, {Value: 200n}, {Substrate: alice.address});
await transferExpectSuccess(collection, 0, alice, {Ethereum: subToEth(charlie.address)} , 200, 'Fungible');
await transferFromExpectSuccess(collection, 0, alice, {Ethereum: subToEth(charlie.address)}, charlie, 50, 'Fungible');
@@ -48,6 +50,7 @@
});
const alice = privateKeyWrapper('//Alice');
const bob = privateKeyWrapper('//Bob');
+ await setCollectionLimitsExpectSuccess(alice, collection, {ownerCanTransfer: true});
const bobProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
const aliceProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
@@ -71,6 +74,7 @@
const alice = privateKeyWrapper('//Alice');
const bob = privateKeyWrapper('//Bob');
const charlie = privateKeyWrapper('//Charlie');
+ await setCollectionLimitsExpectSuccess(alice, collection, {ownerCanTransfer: true});
const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Substrate: alice.address});
await transferExpectSuccess(collection, tokenId, alice, {Ethereum: subToEth(charlie.address)}, 1, 'NFT');
await transferFromExpectSuccess(collection, tokenId, alice, {Ethereum: subToEth(charlie.address)}, charlie, 1, 'NFT');
@@ -85,6 +89,7 @@
const alice = privateKeyWrapper('//Alice');
const bob = privateKeyWrapper('//Bob');
const charlie = privateKeyWrapper('//Charlie');
+ await setCollectionLimitsExpectSuccess(alice, collection, {ownerCanTransfer: true});
const bobProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
const aliceProxy = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', {Substrate: alice.address});
tests/src/limits.test.tsdiffbeforeafterboth--- a/tests/src/limits.test.ts
+++ b/tests/src/limits.test.ts
@@ -406,6 +406,7 @@
it('Effective collection limits', async () => {
await usingApi(async (api) => {
const collectionId = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
+ await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});
{ // Check that limits is undefined
const collection = await api.rpc.unique.collectionById(collectionId);
@@ -419,7 +420,7 @@
expect(limits.tokenLimit.toHuman()).to.be.null;
expect(limits.sponsorTransferTimeout.toHuman()).to.be.null;
expect(limits.sponsorApproveTimeout.toHuman()).to.be.null;
- expect(limits.ownerCanTransfer.toHuman()).to.be.null;
+ expect(limits.ownerCanTransfer.toHuman()).to.be.true;
expect(limits.ownerCanDestroy.toHuman()).to.be.null;
expect(limits.transfersEnabled.toHuman()).to.be.null;
}
tests/src/nesting/graphs.test.tsdiffbeforeafterboth--- a/tests/src/nesting/graphs.test.ts
+++ b/tests/src/nesting/graphs.test.ts
@@ -3,7 +3,7 @@
import {expect} from 'chai';
import {tokenIdToCross} from '../eth/util/helpers';
import usingApi, {executeTransaction} from '../substrate/substrate-api';
-import {getCreateCollectionResult, transferExpectSuccess} from '../util/helpers';
+import {getCreateCollectionResult, transferExpectSuccess, setCollectionLimitsExpectSuccess} from '../util/helpers';
/**
* ```dot
@@ -36,6 +36,7 @@
await usingApi(async (api, privateKeyWrapper) => {
const alice = privateKeyWrapper('//Alice');
const collection = await buildComplexObjectGraph(api, alice);
+ await setCollectionLimitsExpectSuccess(alice, collection, {ownerCanTransfer: true});
// to self
await expect(
tests/src/nesting/nest.test.tsdiffbeforeafterboth--- a/tests/src/nesting/nest.test.ts
+++ b/tests/src/nesting/nest.test.ts
@@ -15,6 +15,7 @@
transferExpectFailure,
transferExpectSuccess,
transferFromExpectSuccess,
+ setCollectionLimitsExpectSuccess,
} from '../util/helpers';
import {IKeyringPair} from '@polkadot/types/types';
@@ -92,6 +93,7 @@
it('Checks token children', async () => {
await usingApi(async api => {
const collectionA = await createCollectionExpectSuccess({mode: {type: 'NFT'}});
+ await setCollectionLimitsExpectSuccess(alice, collectionA, {ownerCanTransfer: true});
await setCollectionPermissionsExpectSuccess(alice, collectionA, {nesting: {tokenOwner: true}});
const collectionB = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
tests/src/transferFrom.test.tsdiffbeforeafterboth--- a/tests/src/transferFrom.test.ts
+++ b/tests/src/transferFrom.test.ts
@@ -99,6 +99,7 @@
it('can be called by collection owner on non-owned item when OwnerCanTransfer == true', async () => {
const collectionId = await createCollectionExpectSuccess();
+ await setCollectionLimitsExpectSuccess(alice, collectionId, {ownerCanTransfer: true});
const itemId = await createItemExpectSuccess(alice, collectionId, 'NFT', bob.address);
await transferFromExpectSuccess(collectionId, itemId, alice, bob, charlie);
@@ -257,6 +258,7 @@
await usingApi(async () => {
// nft
const nftCollectionId = await createCollectionExpectSuccess();
+ await setCollectionLimitsExpectSuccess(alice, nftCollectionId, {ownerCanTransfer: true});
const newNftTokenId = await createItemExpectSuccess(alice, nftCollectionId, 'NFT');
await burnItemExpectSuccess(alice, nftCollectionId, newNftTokenId, 1);
await approveExpectFail(nftCollectionId, newNftTokenId, alice, bob);
@@ -266,6 +268,7 @@
it('transferFrom burnt token before approve Fungible', async () => {
await usingApi(async () => {
const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
+ await setCollectionLimitsExpectSuccess(alice, fungibleCollectionId, {ownerCanTransfer: true});
const newFungibleTokenId = await createItemExpectSuccess(alice, fungibleCollectionId, 'Fungible');
await burnItemExpectSuccess(alice, fungibleCollectionId, newFungibleTokenId, 10);
await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, alice, bob.address);
@@ -276,6 +279,7 @@
it('transferFrom burnt token before approve ReFungible', async () => {
await usingApi(async () => {
const reFungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+ await setCollectionLimitsExpectSuccess(alice, reFungibleCollectionId, {ownerCanTransfer: true});
const newReFungibleTokenId = await createItemExpectSuccess(alice, reFungibleCollectionId, 'ReFungible');
await burnItemExpectSuccess(alice, reFungibleCollectionId, newReFungibleTokenId, 100);
await approveExpectFail(reFungibleCollectionId, newReFungibleTokenId, alice, bob);
tests/src/util/helpers.tsdiffbeforeafterboth--- a/tests/src/util/helpers.ts
+++ b/tests/src/util/helpers.ts
@@ -921,6 +921,18 @@
});
}
+export async function adminApproveFromExpectFail(
+ collectionId: number,
+ tokenId: number, admin: IKeyringPair, owner: CrossAccountId | string, approved: CrossAccountId | string, amount: number | bigint = 1,
+) {
+ await usingApi(async (api: ApiPromise) => {
+ const approveUniqueTx = api.tx.unique.approve(normalizeAccountId(approved), collectionId, tokenId, amount);
+ const events = await expect(submitTransactionAsync(admin, approveUniqueTx)).to.be.rejected;
+ const result = getGenericResult(events);
+ expect(result.success).to.be.false;
+ });
+}
+
export async function
getFreeBalance(account: IKeyringPair): Promise<bigint> {
let balance = 0n;