55 lines
2.1 KiB
TypeScript

import { StakingPoolById, StoredBalance } from '@0x/contracts-staking';
import { expect } from '@0x/contracts-test-utils';
import { BigNumber, logUtils } from '@0x/utils';
import { TxData } from 'ethereum-types';
import { DeploymentManager } from '../deployment_manager';
import { FunctionAssertion, FunctionResult } from './function_assertion';
// tslint:disable:no-unnecessary-type-assertion
/**
* Returns a FunctionAssertion for `createStakingPool` which assumes valid input is provided. The
* FunctionAssertion checks that the new poolId is one more than the last poolId.
*/
export function validCreateStakingPoolAssertion(
deployment: DeploymentManager,
pools: StakingPoolById,
): FunctionAssertion<string, string> {
const { stakingWrapper } = deployment.staking;
return new FunctionAssertion(stakingWrapper.createStakingPool, {
// Returns the expected ID of th created pool
before: async () => {
const lastPoolId = await stakingWrapper.lastPoolId().callAsync();
// Effectively the last poolId + 1, but as a bytestring
return `0x${new BigNumber(lastPoolId)
.plus(1)
.toString(16)
.padStart(64, '0')}`;
},
after: async (
expectedPoolId: string,
result: FunctionResult,
operatorShare: number,
addOperatorAsMaker: boolean,
txData: Partial<TxData>,
) => {
logUtils.log(`createStakingPool(${operatorShare}, ${addOperatorAsMaker}) => ${expectedPoolId}`);
// Checks the logs for the new poolId, verifies that it is as expected
const log = result.receipt!.logs[0]; // tslint:disable-line:no-non-null-assertion
const actualPoolId = (log as any).args.poolId;
expect(actualPoolId).to.equal(expectedPoolId);
// Adds the new pool to local state
pools[actualPoolId] = {
operator: txData.from as string,
operatorShare,
delegatedStake: new StoredBalance(),
};
},
});
}