harb/services/ponder/src/stake.ts
2025-09-23 20:29:51 +02:00

141 lines
4.8 KiB
TypeScript

import { ponder } from "ponder:registry";
import { positions, stats, STATS_ID, TAX_RATES } from "ponder:schema";
import {
ensureStatsExists,
getStakeTotalSupply,
parseRingBuffer,
refreshOutstandingStake,
serializeRingBuffer,
updateHourlyData,
RING_BUFFER_SEGMENTS,
} from "./helpers/stats";
const ZERO = 0n;
async function getKraikenTotalSupply(context: any) {
return context.client.readContract({
abi: context.contracts.Kraiken.abi,
address: context.contracts.Kraiken.address,
functionName: "totalSupply",
});
}
function toShareRatio(share: bigint, stakeTotalSupply: bigint): number {
if (stakeTotalSupply === 0n) return 0;
return Number(share) / Number(stakeTotalSupply);
}
ponder.on("Stake:PositionCreated", async ({ event, context }: any) => {
await ensureStatsExists(context, event.block.timestamp);
const stakeTotalSupply = await getStakeTotalSupply(context);
const shareRatio = toShareRatio(event.args.share, stakeTotalSupply);
const totalSupplyInit = await getKraikenTotalSupply(context);
await context.db.insert(positions).values({
id: event.args.positionId.toString(),
owner: event.args.owner as `0x${string}`,
share: shareRatio,
taxRate: TAX_RATES[Number(event.args.taxRate)] || 0,
kraikenDeposit: event.args.kraikenDeposit,
stakeDeposit: event.args.kraikenDeposit,
taxPaid: ZERO,
snatched: 0,
creationTime: event.block.timestamp,
lastTaxTime: event.block.timestamp,
status: "Active",
createdAt: event.block.timestamp,
totalSupplyInit,
totalSupplyEnd: null,
payout: ZERO,
});
await refreshOutstandingStake(context);
});
ponder.on("Stake:PositionRemoved", async ({ event, context }: any) => {
await ensureStatsExists(context, event.block.timestamp);
const positionId = event.args.positionId.toString();
const position = await context.db.find(positions, { id: positionId });
if (!position) return;
const totalSupplyEnd = await getKraikenTotalSupply(context);
await context.db.update(positions, { id: positionId }).set({
status: "Closed",
closedAt: event.block.timestamp,
totalSupplyEnd,
payout: (position.payout ?? ZERO) + event.args.kraikenPayout,
kraikenDeposit: ZERO,
stakeDeposit: ZERO,
});
await refreshOutstandingStake(context);
await updateHourlyData(context, event.block.timestamp);
});
ponder.on("Stake:PositionShrunk", async ({ event, context }: any) => {
await ensureStatsExists(context, event.block.timestamp);
const positionId = event.args.positionId.toString();
const position = await context.db.find(positions, { id: positionId });
if (!position) return;
const stakeTotalSupply = await getStakeTotalSupply(context);
const shareRatio = toShareRatio(event.args.newShares, stakeTotalSupply);
await context.db.update(positions, { id: positionId }).set({
share: shareRatio,
kraikenDeposit: BigInt(position.kraikenDeposit ?? ZERO) - event.args.kraikenPayout,
stakeDeposit: BigInt(position.stakeDeposit ?? ZERO) - event.args.kraikenPayout,
snatched: position.snatched + 1,
payout: BigInt(position.payout ?? ZERO) + event.args.kraikenPayout,
});
await refreshOutstandingStake(context);
await updateHourlyData(context, event.block.timestamp);
});
ponder.on("Stake:PositionTaxPaid", async ({ event, context }: any) => {
await ensureStatsExists(context, event.block.timestamp);
await updateHourlyData(context, event.block.timestamp);
const positionId = event.args.positionId.toString();
const position = await context.db.find(positions, { id: positionId });
if (!position) return;
const stakeTotalSupply = await getStakeTotalSupply(context);
const shareRatio = toShareRatio(event.args.newShares, stakeTotalSupply);
await context.db.update(positions, { id: positionId }).set({
taxPaid: BigInt(position.taxPaid ?? ZERO) + event.args.taxPaid,
share: shareRatio,
taxRate: TAX_RATES[Number(event.args.taxRate)] || position.taxRate,
lastTaxTime: event.block.timestamp,
});
const statsData = await context.db.find(stats, { id: STATS_ID });
if (statsData) {
const ringBuffer = parseRingBuffer(statsData.ringBuffer as string[]);
const pointer = statsData.ringBufferPointer ?? 0;
const baseIndex = pointer * RING_BUFFER_SEGMENTS;
ringBuffer[baseIndex + 3] = ringBuffer[baseIndex + 3] + event.args.taxPaid;
await context.db.update(stats, { id: STATS_ID }).set({
ringBuffer: serializeRingBuffer(ringBuffer),
totalTaxPaid: statsData.totalTaxPaid + event.args.taxPaid,
});
}
await refreshOutstandingStake(context);
await updateHourlyData(context, event.block.timestamp);
});
ponder.on("Stake:PositionRateHiked", async ({ event, context }: any) => {
const positionId = event.args.positionId.toString();
await context.db.update(positions, { id: positionId }).set({
taxRate: TAX_RATES[Number(event.args.newTaxRate)] || 0,
});
});