liquid-funding/app/model/pledge.js

49 lines
1.4 KiB
JavaScript

import { action, field, relation } from '@nozbe/watermelondb/decorators'
import { Q } from '@nozbe/watermelondb'
import { LiquidModel } from '../utils/models'
export default class Pledge extends LiquidModel {
static table = 'pledges'
static associations = {
profiles: { type: 'belongs_to', key: 'profile_id' },
}
@field('pledge_id') pledgeId
@field('owner_id') owner
@field('amount') amount
@field('token') token
@field('commit_time') commitTime
@field('n_delegates') nDelegates
@field('intended_project') intendedProject
@field('pledge_state') pledgeState
@field('block_number') blockNumber
@relation('profiles', 'profile_id') profile
@action async transferTo(to, amount) {
const toPledgeQuery = await this.collections.get('pledges').query(
Q.where('pledge_id', to)
).fetch()
const toPledge = toPledgeQuery[0]
await this.batch(
this.prepareUpdate(pledge => {
pledge.amount = (BigInt(pledge.amount) - BigInt(amount)).toString()
}),
toPledge.prepareUpdate(pledge => {
pledge.amount = (BigInt(pledge.amount) + BigInt(amount)).toString()
})
)
}
@action async updateFields(newPledge) {
const { amount, nDelegates, pledgeState, blockNumber } = newPledge
this.prepareUpdate(pledge => {
pledge.amount = amount
pledge.nDelegates = Number(nDelegates)
pledge.pledgeState = pledgeState
pledge.blockNumber = blockNumber
})
}
}