solana-flux-aggregator/src/PriceFeeder.ts

62 lines
1.6 KiB
TypeScript

import fs from "fs"
import { Wallet } from "solray"
import { AggregatorDeployFile } from "./Deployer"
import { loadJSONFile } from "./json"
import { coinbase } from "./feeds"
import { Submitter, SubmitterConfig } from "./Submitter"
import { log } from "./log"
import { conn } from "./context"
// Look at all the available aggregators and submit to those that the wallet can
// act as an oracle.
export class PriceFeeder {
constructor(
private deployInfo: AggregatorDeployFile,
private wallet: Wallet
) {}
async start() {
// find aggregators that this wallet can act as oracle
this.startAccessibleAggregators()
}
private async startAccessibleAggregators() {
let slot = await conn.getSlot()
conn.onSlotChange((slotInfo) => {
slot = slotInfo.slot
})
for (let [name, aggregatorInfo] of Object.entries(
this.deployInfo.aggregators
)) {
const oracleInfo = Object.values(aggregatorInfo.oracles).find(
(oracleInfo) => {
return oracleInfo.owner.equals(this.wallet.pubkey)
}
)
if (oracleInfo == null) {
log.debug("Is not an oracle", { name })
continue
}
const priceFeed = coinbase(name)
const submitter = new Submitter(
this.deployInfo.programID,
aggregatorInfo.pubkey,
oracleInfo.pubkey,
this.wallet,
priceFeed,
{
// TODO: errrrr... probably make configurable on chain. hardwire for
// now, don't submit value unless btc changes at least a dollar
minValueChangeForNewRound: 100,
},
() => slot
)
submitter.start()
}
}
}