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contractWrites.ts
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contractWrites.ts
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import { mainnet, RenNetworkDetails } from "@renproject/contracts";
import { sleep } from "@renproject/react-components";
import RenSDK, { TxStatus } from "@renproject/ren";
import BigNumber from "bignumber.js";
import Web3 from "web3";
import { TransactionConfig, TransactionReceipt } from "web3-core";
import { sha3, toChecksumAddress } from "web3-utils";
import { retryNTimes } from "../../components/renvmPage/renvmContainer";
import { _catchInteractionException_, _noCapture_ } from "../react/errors";
import { getDarknodePayment, getDarknodeRegistry } from "./contract";
import { AllTokenDetails, OldToken, Token } from "./tokens";
import { WaitForTX } from "./waitForTX";
export const fundNode = async (
web3: Web3,
address: string,
darknodeID: string,
ethAmountStr: string,
onCancel: () => void,
onDone: () => void,
waitForTX: WaitForTX,
): Promise<string> => {
// Convert eth to wei
const ethAmount = new BigNumber(ethAmountStr);
const weiAmount = ethAmount.times(new BigNumber(10).exponentiatedBy(18)).decimalPlaces(0);
if (weiAmount.isNaN()) {
throw new Error(`Invalid ETH amount ${ethAmountStr} - please try again`);
}
let resolved = false;
const call = () => web3.eth.sendTransaction({
to: darknodeID,
value: weiAmount.toFixed(),
from: address,
});
try {
const res = await waitForTX(
call(),
onDone
);
resolved = true;
return res;
} catch (error) {
if (resolved) { onCancel(); }
throw error;
}
};
////////////////////////////////
// Darknode Registry contract //
////////////////////////////////
export const callEpoch = async (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string,
waitForTX: WaitForTX,
txConfig?: TransactionConfig,
) => {
const darknodeRegistry = getDarknodeRegistry(web3, renNetwork);
return await waitForTX(
darknodeRegistry.methods.epoch().send({ ...txConfig, from: address }),
);
};
export const approveNode = async (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string,
bond: BigNumber,
waitForTX: WaitForTX,
) => {
// tslint:disable-next-line:no-non-null-assertion
const ercContract = new (web3.eth.Contract)(renNetwork.addresses.erc.ERC20.abi, renNetwork.addresses.tokens.REN.address);
// Check that the user has sufficient REN for bond
let ercBalance;
try {
ercBalance = new BigNumber(await retryNTimes(async () => await ercContract.methods.balanceOf(address).call(), 5));
} catch (error) {
ercBalance = bond;
_catchInteractionException_(error, "Error in contractWrites.ts: approveNode > balanceOf");
}
if (ercBalance.lt(bond)) {
throw _noCapture_(new Error("You have insufficient REN to register a darknode."));
}
// Check if they've already approved REN
let ercAllowance;
try {
ercAllowance = new BigNumber(
await retryNTimes(async () => await ercContract.methods.allowance(address, renNetwork.addresses.ren.DarknodeRegistry.address).call(), 5),
);
} catch (error) {
_catchInteractionException_(error, "Error in contractWrites.ts: approveNode > allowance");
ercAllowance = new BigNumber(0);
}
if (ercAllowance.gte(bond)) {
// Already approved
return;
}
return waitForTX(
ercContract.methods.approve(renNetwork.addresses.ren.DarknodeRegistry.address, bond.toFixed()).send({ from: address })
);
};
export const registerNode = async (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string,
darknodeID: string,
publicKey: string,
bond: BigNumber,
onCancel: () => void,
onDone: () => void,
waitForTX: WaitForTX,
): Promise<string> => {
const hardCodedGas = 500000;
// tslint:disable-next-line:no-non-null-assertion
const ercContract = new (web3.eth.Contract)(renNetwork.addresses.erc.ERC20.abi, renNetwork.addresses.tokens.REN.address);
let ercAllowance;
try {
ercAllowance = new BigNumber(
await retryNTimes(async () => await ercContract.methods.allowance(address, renNetwork.addresses.ren.DarknodeRegistry.address).call(), 5)
);
} catch (error) {
ercAllowance = new BigNumber(0);
_catchInteractionException_(error, "Error in contractWrites.ts: registerNode > allowance");
}
let gas: number | undefined = hardCodedGas;
if (ercAllowance.gte(bond)) {
gas = undefined;
}
let resolved = false;
const darknodeRegistry = getDarknodeRegistry(web3, renNetwork);
try {
const params = renNetwork.name === mainnet.name ? [darknodeID, publicKey, bond.toFixed()] : [darknodeID, publicKey];
const res = await waitForTX(
// @ts-ignore
darknodeRegistry.methods.register(...params).send({ from: address, gas }),
onDone
);
resolved = true;
return res;
} catch (error) {
if (resolved) { onCancel(); }
throw error;
}
};
export const deregisterNode = async (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string,
darknodeID: string,
onCancel: () => void,
onDone: () => void,
waitForTX: WaitForTX,
): Promise<string> => {
// The node has been registered and can be deregistered.
let resolved = false;
const darknodeRegistry = new ((web3).eth.Contract)(
renNetwork.addresses.ren.DarknodeRegistry.abi,
renNetwork.addresses.ren.DarknodeRegistry.address
);
try {
const res = await waitForTX(
darknodeRegistry.methods.deregister(darknodeID).send({ from: address }),
onDone
);
resolved = true;
return res;
} catch (error) {
if (resolved) { onCancel(); }
throw error;
}
};
export const refundNode = async (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string,
darknodeID: string,
onCancel: () => void,
onDone: () => void,
waitForTX: WaitForTX,
): Promise<string> => {
// The node is awaiting refund.
let resolved = false;
const darknodeRegistry = getDarknodeRegistry(web3, renNetwork);
try {
const res = await waitForTX(
darknodeRegistry.methods.refund(darknodeID).send({ from: address }),
onDone
);
resolved = true;
return res;
} catch (error) {
if (resolved) { onCancel(); }
throw error;
}
};
///////////////////////////////
// Darknode Payment contract //
///////////////////////////////
export const claimForNode = async (
web3: Web3,
renNetwork: RenNetworkDetails,
useFixedGasLimit: boolean,
address: string,
darknodeID: string,
onCancel: () => void,
onDone: () => void,
waitForTX: WaitForTX,
): Promise<string> => {
// Convert eth to wei
const darknodePayment = getDarknodePayment(web3, renNetwork);
let resolved = false;
const call = () => darknodePayment.methods.claim(darknodeID).send({ from: address, gas: useFixedGasLimit ? 200000 : undefined });
try {
const res = await waitForTX(
call(),
onDone
);
resolved = true;
return res;
} catch (error) {
if (resolved) { onCancel(); }
throw error;
}
};
// export const changeCycle = async (
// web3: Web3,
// renNetwork: RenNetworkDetails,
// ignoreError: boolean,
// address: string,
// onCancel: () => void,
// onDone: () => void,
// waitForTX: WaitForTX,
// ): Promise<string> => {
// return "";
// // // Convert eth to wei
// // const darknodePayment = getDarknodePayment(web3, renNetwork);
// // let resolved = false;
// // // Try to call `changeCycle` as a read function to see if it reverts
// // const cycleTimeoutCall = await darknodePayment.methods.cycleTimeout().call({ from: address });
// // if (!cycleTimeoutCall) {
// // throw _noCapture_(new Error("Unable to change timeout - please try again"));
// // }
// // const canCall = new BigNumber(cycleTimeoutCall.toString());
// // if (canCall.isEqualTo(0) || !alreadyPast(canCall.toNumber())) {
// // return "";
// // }
// // const call = () => darknodePayment.methods.changeCycle().send({ from: address });
// // try {
// // const res = await waitForTX(
// // call(),
// // onDone,
// // );
// // resolved = true;
// // return res;
// // } catch (error) {
// // if (ignoreError) {
// // resolved = true;
// // return "";
// // }
// // if (resolved) { onCancel(); }
// // throw error;
// // }
// };
export const withdrawOldToken = async (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string | null,
darknodeID: string,
token: Token | OldToken,
waitForTX: WaitForTX,
) => new Promise(async (resolve, reject) => {
if (renNetwork.name !== "mainnet") {
throw new Error(`Withdrawing old tokens not supported on network ${renNetwork.name}`);
}
if (!address) {
throw new Error(`Unable to retrieve account address.`);
}
const network = renNetwork as typeof mainnet;
try {
const rewardVault = new (web3.eth.Contract)(
network.addresses.ren.DarknodeRewardVault.abi,
network.addresses.ren.DarknodeRewardVault.address
);
await waitForTX(
rewardVault.methods.withdraw(darknodeID, network.addresses.oldTokens[token].address).send({ from: address }),
resolve,
);
} catch (error) {
reject(error);
return;
}
});
// export const bridgedToken = (web3: Web3, renNetwork: RenNetworkDetails, address: string): Contract => {
// return new web3.eth.Contract(renNetwork.WarpGateToken.abi, address);
// };
// export const btcAddressToHex = (address: string) => `0x${decode58(address).toString("hex")}`;
// export const zecAddressToHex = (address: string) => `0x${decode58(address).toString("hex")}`;
const burn = async (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string,
token: Token,
amount: BigNumber,
recipient: string,
waitForTX: WaitForTX,
onStatus: (status: TxStatus) => void,
) => {
const contractDetails = token === Token.BTC ? renNetwork.addresses.shifter.BTCShifter :
token === Token.ZEC ? renNetwork.addresses.shifter.ZECShifter :
token === Token.BCH ? renNetwork.addresses.shifter.BCHShifter : undefined;
if (!contractDetails) {
throw new Error(`Unable to shift out token ${token}`);
}
const contract = new (web3.eth.Contract)(contractDetails.abi, contractDetails._address);
const sdk = new RenSDK(renNetwork.name);
const txHash = await waitForTX(contract.methods.shiftOut(
(sdk.utils[token].addressToHex || sdk.Tokens[token].addressToHex)(recipient), // _to
amount.decimalPlaces(0).toFixed(), // _amount in Satoshis
).send({ from: address })
);
const shiftOut = await sdk.shiftOut({
// Send BTC from the Ethereum blockchain to the Bitcoin blockchain.
// This is the reverse of shitIn.
sendToken: token === Token.BCH ? RenSDK.Tokens.BCH.Eth2Bch :
Token.ZEC ? RenSDK.Tokens.ZEC.Eth2Zec :
RenSDK.Tokens.BTC.Eth2Btc,
// The web3 provider to talk to Ethereum
web3Provider: web3.currentProvider,
// The transaction hash of our contract call
txHash,
}).readFromEthereum();
const promiEvent = shiftOut.submitToRenVM();
promiEvent.on("status", onStatus);
await promiEvent;
};
const TransferEventABI = [
{
indexed: true,
name: "from",
type: "address"
}, {
indexed: true,
name: "to",
type: "address"
}, {
indexed: false,
name: "value",
type: "uint256"
}
];
export const withdrawToken = (
web3: Web3,
renNetwork: RenNetworkDetails,
address: string | null,
darknodeID: string,
token: Token | OldToken,
waitForTX: WaitForTX,
onStatus: (status: TxStatus) => void,
) => async (withdrawAddress?: string) => {
const tokenDetails = AllTokenDetails.get(token);
if (tokenDetails === undefined) {
throw new Error("Unknown token");
}
if (!address) {
throw new Error(`Unable to retrieve account address.`);
}
const darknodePayment = getDarknodePayment(web3, renNetwork);
if (!tokenDetails) {
throw new Error("Unknown token");
}
const tx = await waitForTX(darknodePayment.methods.withdraw(darknodeID, renNetwork.addresses.tokens[token].address).send({ from: address }));
// let recentRegistrationEvents = await web3.eth.getPastLogs({
// address: renNetwork.addresses.tokens[token].address,
// fromBlock: txHash,
// toBlock: txHash,
// topics: [,],
// });
if (tokenDetails.wrapped) {
if (!withdrawAddress) {
throw new Error("Invalid withdraw address");
}
let receipt: TransactionReceipt | undefined;
while (!receipt || !receipt.logs) {
try {
receipt = await web3.eth.getTransactionReceipt(tx);
} catch (error) {
// Ignore error
}
if (!receipt) {
await sleep(1000);
}
}
let value = new BigNumber(0);
for (const log of receipt.logs) {
if (log.topics[0] === sha3("Transfer(address,address,uint256)")) {
const event = web3.eth.abi.decodeLog(TransferEventABI, log.data, (log.topics as string[]).slice(1));
if (toChecksumAddress(event.from) === toChecksumAddress(renNetwork.addresses.ren.DarknodePaymentStore.address) && toChecksumAddress(event.to) === toChecksumAddress(address)) {
value = value.plus(event.value);
}
}
}
await burn(web3, renNetwork, address, token as Token, value, withdrawAddress, waitForTX, onStatus);
}
};