102 lines
3.0 KiB
JavaScript
102 lines
3.0 KiB
JavaScript
import {ethers} from "ethers";
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import {getAbi} from "./abi.js";
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import {getProvider, getSigner} from "./blockchain.js";
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import {vaults} from './cache.js';
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import {chainInfo, VAULT_INIT_CODE_HASH} from "./misc.js";
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// Vault
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// address owner
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// balances { tokenAddress: amount }
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// recentOrders []
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const vaultAbi = await getAbi('Vault')
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const factoryAbi = await getAbi('Factory')
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export function vaultAddress(chainId, owner, num=0) {
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const salt = ethers.solidityPackedKeccak256(['address','uint8'],[owner,num])
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const result = ethers.getCreate2Address(chainInfo[chainId].factory, salt, VAULT_INIT_CODE_HASH)
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// console.log('vaultAddress', chainId, owner, num, chainInfo[chainId].factory, salt, VAULT_INIT_CODE_HASH, result)
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return result
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}
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export async function loginAddress(socket, chainId, address) {
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if( socket.user_room !== undefined)
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socket.leave(socket.user_room)
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if( address === undefined ) {
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socket.emit('vaults', [])
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}
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else {
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socket.user_room = `${chainId}|${address}`
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socket.join(socket.user_room)
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const found = []
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for( let num = 0; ; num++ ) {
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const vault = vaultAddress(chainId, address, num)
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if(await vaults.contains(chainId, vault))
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found.push(vault)
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else
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break
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}
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socket.emit('vaults', found)
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}
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}
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export async function ensureVault(socket, chainId, owner, num) {
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const address = vaultAddress(chainId, owner, num)
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console.log('ensureVault', chainId, owner, num, address)
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if (!await vaults.contains(chainId,address)) {
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try {
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await createVault(chainId, owner, num)
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await loginAddress(socket, chainId, owner)
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} catch {
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}
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}
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else
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console.log('ensureVault', owner, 'exists:', address)
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}
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async function createVault(chainId, owner, num) {
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console.log('createVault', chainId, owner, )
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const signer = getSigner(chainId);
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const deployer = new ethers.Contract(chainInfo[chainId].factory, factoryAbi, signer)
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try {
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const tx = await deployer.deployVault(owner, num)
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// console.log(`deploying vault for ${owner} #${num} with tx ${tx.hash}`)
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}
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catch (e) {
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const addr = vaultAddress(chainId, owner, num)
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const vault = new ethers.Contract(addr, vaultAbi, getProvider(chainId))
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try {
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const ver = await vault.version()
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console.log(`vault already deployed at ${addr} with version ${ver}`)
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}
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catch (e2) {
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console.error('could not deploy vault:',e)
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}
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}
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}
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export async function watchErc20Transfer(provider, db, event) {
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console.log('Transfer', event)
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const [from, to, amount] = event.args
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let vault = vaults[from]
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let delta = 0
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if (vault !== undefined)
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delta = -amount
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else {
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vault = vaults[to]
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if (vault !== undefined)
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delta = amount
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}
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if (vault) {
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let oldBalance = vault.balances[event.address]
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if (oldBalance === undefined) {
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}
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}
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}
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